CN207431217U - A kind of molding runner system of road lamp aluminium-alloy high-speed high pressure die casting - Google Patents

Abstract

The utility model discloses a kind of molding runner systems of road lamp aluminium-alloy high-speed high pressure die casting, including product cavity, pouring gate structure and flow structure, pouring gate structure is all connected to product cavity with flow structure, wherein, pouring gate structure is connected to a side of product cavity, flow structure includes exhaust structure and the first overflow launder group for being connected to other three sides of product cavity, second overflow launder group, 3rd overflow launder group, first overflow launder group includes a plurality of the first overflow launders connected with product cavity, second overflow launder group includes a plurality of the second overflow launders connected with product cavity, 3rd overflow launder group includes a plurality of the 3rd overflow launders connected with product cavity, a plurality of second overflow launders are all connected to exhaust structure；Pouring gate structure includes sequentially connected material handle, sprue, cross gate, ingate, ingate, and product cavity is connected to ingate, and molten aluminum introduces product type intracavitary portion after sprue, cross gate, ingate by ingate successively.

Description

A runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps

technical field

The utility model relates to the field of high-speed and high-pressure die-casting in the foundry industry, in particular to a runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps.

Background technique

The runner system is the most important part of the die-casting mold design. It is the core technology of the die-casting technology and has a decisive impact on the success or failure of the die-casting mold. Post-processing, etc. have a major impact. In the face of increasingly complex product shapes and thinner-walled shapes, the surface quality requirements after processing are becoming more and more stringent. The existing technology cannot guarantee the existence of internal pores in the product during the production process and meet the requirements of thin-walled filling molding. Due to the particularity and uniqueness of each product structure, there are also targeted requirements when designing the product runner system. Different products have different runner system designs, and the factors that will affect the quality of castings in the existing runner system It is not solved when it is used, resulting in very poor quality of castings, resulting in excessive waste of resources.

Utility model content

The technical problem to be solved by the utility model is to provide a runner system for high-speed and high-pressure die-casting of aluminum alloy for street lamps and lamps, which can improve the pouring method, increase the flow rate and pouring amount of molten aluminum during pouring, and ensure the product cavity Complete filling, improve the quality of castings, reduce production cycle, save resources, reduce costs, simple structure, easy to operate, to solve the defects caused by the existing technology.

In order to solve the above technical problems, the utility model provides the following technical solutions: a runner system for high-speed and high-pressure die-casting of aluminum alloy for street lamps and lamps, including a product cavity, a runner structure and an overflow structure, the runner structure and the The overflow structures are all connected to the product cavity, wherein the runner structure is connected to one side of the product cavity, and the overflow structure includes an exhaust structure and other components respectively connected to the product cavity. The first overflow groove group, the second overflow groove group, and the third overflow groove group on three sides, the first overflow groove group includes a plurality of first overflow grooves communicating with the product cavity, The second overflow groove group includes a plurality of second overflow grooves communicating with the product cavity, and the third overflow groove group includes a plurality of third overflow grooves communicating with the product cavity, A plurality of the second overflow tanks are all connected to the exhaust structure;

The runner structure includes a material handle, a sprue, a runner, an ingate, and an ingate connected in sequence, the product cavity is connected to the ingate, and the molten aluminum passes through the sprue in sequence , the runner and the inner runner are introduced into the product cavity by the inner gate.

The above-mentioned sprue system for high-speed high-pressure die-casting of aluminum alloy for street lamps and lamps, wherein, a plurality of in-runners are connected to the runner, and each in-runner is provided with a connection to the product type. The ingate of the cavity.

The above-mentioned sprue system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps, wherein, four in-runners are connected to the runner, and each in-runner is connected to the product type. The ingate of the cavity.

The above-mentioned runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps, wherein the ingate is arranged vertically.

The above-mentioned runner system of aluminum alloy high-speed and high-pressure die-casting for street lamps and lamps, wherein, the side section of the runner is a trapezoid, and the cross-section from the inner runner to the inner gate is in a convergent distribution.

The above-mentioned runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps, wherein, the first overflow tank, the second overflow tank, and the third overflow tank are all equipped with Cavity overflow.

The above-mentioned runner system of aluminum alloy high-speed and high-pressure die-casting for street lamps and lamps, wherein the height of the overflow port is 1 mm to 2 mm.

The aforementioned runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps, wherein the exhaust volumes of the first overflow tank and the third overflow tank are both smaller than the exhaust volume of the second overflow tank quantity.

According to the above-mentioned utility model, the effect of the technical solution provided by the sprue system of high-speed and high-pressure die-casting of aluminum alloy for street lamps and lamps is to improve the pouring method, increase the flow rate and pouring amount of molten aluminum during pouring, and ensure that the product cavity is fully developed. Fully filled, improve the quality of castings, reduce production cycle, save resources, reduce costs, simple structure, easy to operate.

Description of drawings

Fig. 1 is a structural schematic diagram of a runner system formed by aluminum alloy high-speed high-pressure die-casting of a street lamp of the present invention;

Fig. 2 is a top view structure schematic diagram of a runner system formed by aluminum alloy high-speed high-pressure die-casting of a street lamp of the present invention;

Fig. 3 is a structural schematic diagram of the first overflow tank in the runner system formed by aluminum alloy high-speed and high-pressure die-casting of street lamps and lanterns of the present invention;

Fig. 4 is a structural schematic diagram of the second overflow tank in the runner system formed by high-speed and high-pressure die-casting of aluminum alloy for street lamps and lanterns of the present invention;

Fig. 5 is a schematic structural view of the third overflow tank in the runner system formed by aluminum alloy high-speed high-pressure die-casting of street lamps and lamps according to the present invention.

Wherein, the reference signs are as follows: product cavity 101, overflow structure 102, exhaust structure 103, handle 104, sprue 105, runner 106, ingate 107, ingate 108, first overflow Groove 201 , second overflow groove 202 , third overflow groove 203 , overflow port 301 .

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific illustrations.

A preferred embodiment of the utility model is to provide a runner system for high-speed and high-pressure die-casting of aluminum alloy for street lamps and lamps. The cavity is completely filled to improve the quality of the casting, reduce the production cycle, save resources, reduce costs, and the structure is simple and easy to operate.

As shown in FIG. 1 , a runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps includes a product cavity 101, a runner structure and an overflow structure 102, and the runner structure and overflow structure 102 are connected to the product cavity. 101, wherein the runner structure is connected to one side of the product cavity 101, the overflow structure 102 includes the exhaust structure 103 and the first overflow groove 201 group and the second overflow groove 201 respectively connected to the other three sides of the product cavity 101. The overflow groove 202 group, the third overflow groove 203 groups, the first overflow groove 201 group includes a plurality of first overflow grooves 201 communicated with the product cavity 101, and the second overflow groove 202 group includes a plurality of The second overflow groove 202 connected to the cavity 101, the third overflow groove 203 group includes a plurality of third overflow grooves 203 connected to the product cavity 101, and the plurality of second overflow grooves 202 are all connected to the exhaust structure 103, the exhaust structure 103 can directly discharge the waste gas. During die-casting, the first overflow groove 201, the second overflow groove 202, and the third overflow groove 203 are used to receive the cold water entering the molten aluminum inside the product cavity 101. materials and impurities, eliminate or transfer casting defects such as pores and cold shuts, and to a certain extent help to control the flow direction of molten aluminum, improve the heat balance in the product cavity 101, and connect to the first overflow tank 201 of the product cavity 101, The second overflow tank 202 and the third overflow tank 203 receive cold material and impurities at the same time, which can effectively prevent or reduce the deformation of the casting and improve the quality of the casting;

As shown in Figure 2, the sprue structure includes a sequentially connected material handle 104, sprue 105, runner 106, ingate 107, and ingate 108. The product cavity 101 is connected to the ingate 108, and the aluminum liquid After going through the sprue 105 , the runner 106 and the ingate 107 in turn, it is introduced into the product cavity 101 by the ingate 108 .

This embodiment provides a runner system for high-speed and high-pressure die-casting of aluminum alloy for street lamps and lamps. The runner 106 used is connected with a plurality of inner runners 107, and each inner runner 107 is equipped with a connected product type. Ingate 108 of cavity 101 .

This embodiment provides a runner system for high-speed and high-pressure die-casting of aluminum alloy for street lamps and lamps. The runner 106 used is connected with four inner runners 107, and each inner runner 107 is equipped with a connected product type. The ingate 108 of the cavity 101 adopts four ingates 107, and each ingate 107 is vertically arranged to connect with the product cavity 101, which increases the amount of pouring during pouring and can completely fill the molten aluminum When entering the product cavity 101, the traditional ingate 107 is arranged horizontally. The horizontally arranged ingate 107 cannot guarantee that the aluminum liquid can directly enter the product cavity 101 during pouring, and some of the aluminum liquid will be absorbed by the product cavity. 101 hinders and reduces the flow rate, causing the tail of the product to be unable to be completely filled, which reduces the quality of the casting. The ingate 107 provided in this embodiment is vertically arranged, which will not reduce the speed when the molten aluminum enters, ensuring that the molten aluminum can enter completely Fill to the end of the product cavity 101 to improve the quality of the casting.

This embodiment provides a runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps, and the ingate 108 used is arranged vertically.

This embodiment provides a runner system for high-speed and high-pressure die-casting of aluminum alloy for street lamps and lamps. The side section of the runner 106 used is a trapezoid. The height of the runner 107 from the place connecting the runner 106 to the place connecting the ingate 108 increases successively, and the heights of the two ends of the inrunner 107 from the runner 106 to the ingate 108 increase sequentially. It will reduce the resistance of the inrunner 107 to the aluminum liquid, and can also ensure that the aluminum liquid can completely enter the product cavity 101 .

As shown in Fig. 3-5, the runner system of aluminum alloy high-speed and high-pressure die-casting for street lamps and lamps provided by this embodiment adopts the first overflow groove 201, the second overflow groove 202, and the third overflow groove 203 An overflow port 301 connected to the product cavity 101 is provided on the top.

This embodiment provides a runner system for aluminum alloy high-speed high-pressure die-casting of street lamps and lamps. The height of the overflow port 301 used is 1 mm to 2 mm, and the height of the overflow port 301 is much smaller than the first overflow tank 201. Or the height of the second overflow tank 202 or the third overflow tank 203 can effectively collect the waste gas in the product cavity 101 and the cold material and aluminum slag in the aluminum liquid to improve the quality of the casting.

This embodiment provides a runner system for aluminum alloy high-speed high-pressure die-casting of street lamps and lamps. quantity.

To sum up, the utility model of a runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps can improve the flow rate and pouring amount of aluminum liquid during pouring by improving the pouring method, so as to ensure that the product cavity is completely filled , Improve the quality of castings, reduce the production cycle, save resources, reduce costs, simple structure, easy to operate.

The specific embodiments of the utility model have been described above. It should be understood that the utility model is not limited to the specific embodiments described above, and the equipment and structures not described in detail should be understood as being implemented in a common way in the art; those skilled in the art can make Some simple inferences, deformations or replacements are made without various deformations or modifications, which do not affect the essential content of the utility model.

Claims (8)

1. A runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps, including a product cavity, a runner structure and an overflow structure, the runner structure and the overflow structure are connected to the product cavity, It is characterized in that the runner structure is connected to one side of the product cavity, and the overflow structure includes an exhaust structure and a first overflow groove group respectively connected to the other three sides of the product cavity , the second overflow groove group, the third overflow groove group, the first overflow groove group includes a plurality of first overflow grooves communicated with the product cavity, and the second overflow groove group includes a plurality of A second overflow groove communicated with the product cavity, the third overflow groove group includes a plurality of third overflow grooves communicated with the product cavity, and the plurality of second overflow grooves are all connected to the exhaust structure; The runner structure includes a material handle, a sprue, a runner, an ingate, and an ingate connected in sequence, the product cavity is connected to the ingate, and the molten aluminum passes through the sprue in sequence , the runner and the inner runner are introduced into the product cavity by the inner gate. 2. A runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps as claimed in claim 1, wherein a plurality of said inner runners are connected to said runner, and each said inner runner The inner gates connecting the product cavity are all provided on the roads. 3. A runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps as claimed in claim 2, characterized in that, the runners are connected with four inner runners, and each inner runner The inner gates connecting the product cavity are all provided on the roads. 4. A runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps according to any one of claims 2 or 3, characterized in that, the ingate is arranged vertically. 5. The runner system of aluminum alloy high-speed and high-pressure die-casting for street lamps and lamps as claimed in claim 3, wherein the side section of the runner is a trapezoid, and the inner runner to the inner runner The cross-section of the mouth is a convergent distribution. 6. A runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps as claimed in claim 2, wherein the first overflow groove, the second overflow groove, and the third overflow groove The grooves are all provided with an overflow port connecting the cavity of the product. 7 . The runner system for aluminum alloy high-speed and high-pressure die-casting of street lamps and lamps as claimed in claim 6 , wherein the height of the overflow port is 1 mm to 2 mm. 8 . 8. A runner system for aluminum alloy high-speed high-pressure die-casting of street lamps and lamps as claimed in claim 6, characterized in that the exhaust volumes of the first overflow tank and the third overflow tank are both smaller than the Describe the exhaust volume of the second overflow tank.