CN212917569U

CN212917569U - Valve body die casting die runner structure

Info

Publication number: CN212917569U
Application number: CN202021585563.9U
Authority: CN
Inventors: 胡小健; 陈菊梅
Original assignee: Prec Cast Zhongshan Co ltd
Current assignee: Prec Cast Zhongshan Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-04-09
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a valve body die-casting die runner structure, which comprises a template and a die core, wherein both sides of the template are respectively provided with a product die cavity, and the die core is arranged in the product die cavity; a side core-pulling position is arranged at the product die cavity, a sliding block is arranged at the side core-pulling position, an inclined guide pillar is inserted into the sliding block, and the sliding block is pulled by the inclined guide pillar; the die plate is provided with a feed port, a discharge port, a feed runner and a discharge runner, the feed runner and the discharge runner are respectively communicated with the product die cavity, the feed port is communicated with the feed runner, the discharge runner is communicated with the discharge port, and the discharge port is provided with a vacuum valve; the feeding port, the discharging port, the feeding runner and the discharging runner are connected in a matched manner to form a circulating pouring system; the shaping pipe is placed in the product die cavity, the shaping pipe is fixedly connected to the sliding block, and the shaping pipe moves along with the sliding block. It has the advantages of simple structure, compact matching, reasonable design and the like; therefore, the product has excellent technical and economic performance.

Description

Valve body die casting die runner structure

[ technical field ] A method for producing a semiconductor device

The utility model mainly relates to a valve body die casting die runner structure.

[ background of the invention ]

The aluminum alloy die-casting products are mainly used in the industries of electronics, automobiles, motors, household appliances, communications and the like, and high-quality aluminum alloy products with high performance, high precision and high toughness are also used in the industries with higher requirements such as large airplanes, ships and the like. With the improvement of the technical level and the product development capability, the requirements on the comprehensive performance of die-casting products are continuously improved, and the development and development of die-casting equipment, die-casting dies and die-casting processes are also improved. The pressure casting in the die-casting forming process is characterized by high-pressure rapid solidification, and the increase of vacuum die-casting is one of effective ways for improving the mechanical property of the die-casting aluminum alloy in order to improve the mechanical property of the die-casting aluminum alloy.

[ Utility model ] content

For obtaining the high performance valve body blank, the utility model provides a new structural scheme, this valve body die casting die runner structure adopts following technical scheme:

a runner structure of a valve body die-casting die comprises a template and a die core, wherein a product die cavity is respectively arranged on two sides of the template, and the die core is placed in the product die cavity; a side core-pulling position is arranged at the product die cavity, a sliding block is placed at the side core-pulling position, an inclined guide pillar is inserted into the sliding block, and the sliding block is pulled by the inclined guide pillar;

the die plate is provided with a feeding hole, a discharging hole, a feeding runner and a discharging runner, the feeding runner and the discharging runner are respectively communicated with the product die cavity, the feeding hole is communicated with the feeding runner, the discharging runner is communicated with the discharging hole, and the discharging hole is provided with a vacuum valve; the feeding port, the discharging port, the feeding runner and the discharging runner are connected in a matched manner to form a circulating pouring system; the shaping pipe has been placed to the product die cavity, the shaping pipe rigid coupling is in on the slider, and the shaping pipe removes along with the slider.

Preferably, the mold core is provided with a valve body molding position and a pipe groove, and the pipe groove is connected with the valve body molding position in a cross mode.

Preferably, a flow guide block is installed at the discharge port, and is provided with a flow guide channel communicated with the discharge channel.

The utility model discloses compare produced beneficial effect with the background art:

the utility model discloses a two runner schemes, four side are loosed cores to every product die cavity, adopt oblique guide pillar to take out slider cooperation product shaping, utilize this scheme can obtain the aluminum alloy die-casting blank of high performance, and the gas pocket production can be avoided to the cooperation evacuation scheme, improves yields and production efficiency, practices thrift manufacturing cost.

[ description of the drawings ]

Fig. 1 is a schematic structural view of a die-casting mold for a valve body according to a preferred embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a runner of a die-casting mold for a valve body according to a preferred embodiment of the present invention;

FIG. 3 is a partial structural view of a mold insert according to a preferred embodiment of the present invention;

fig. 4 is a schematic view of a flow passage of a die casting mold for a valve body according to a preferred embodiment of the present invention.

[ detailed description ] embodiments

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

The utility model provides a preferred embodiment: as shown in fig. 1 to 4, a runner structure of a valve die-casting mold comprises a template 10 and a mold core 20, wherein a product mold cavity 11 is respectively arranged at two sides of the template 10, and the mold core 20 is placed in the product mold cavity 11; a side core-pulling position 12 is arranged at the product die cavity 11, a sliding block 13 is placed at the side core-pulling position 12, an inclined guide post 14 is inserted into the sliding block 13, and the sliding block 13 is pulled by the inclined guide post 14.

The die plate 10 comprises an upper die plate 101 and a lower die plate 102, the die plate 10 is provided with a feeding hole 15, a discharging hole 16, a feeding runner 17 and a discharging runner 19, the feeding runner 17 and the discharging runner 19 are respectively communicated with the product die cavity 11, the feeding hole 15 is communicated with the feeding runner 17, the discharging runner 19 is communicated with the discharging hole 16, and the discharging hole 16 is provided with a vacuum valve 50; the feeding port 15, the discharging port 16, the feeding runner 17 and the discharging runner 19 are connected in a matching way to form a circulating casting system; the sizing pipe 18 has been placed to product die cavity 11, sizing pipe 18 rigid coupling is in on the slider 13, and sizing pipe 18 removes along with slider 13.

The die core 20 is provided with a valve body molding position 21 and a pipe groove 22, and the pipe groove 22 is connected to the valve body molding position 21 in a crossed manner; the discharge port 16 is provided with a flow guide block 40, and the discharge flow channel 19 is arranged on the flow guide block 40.

For obtaining high performance valve body blank, the runner structure of this patent product adopts a two flow path scheme, still increases the technical scheme that the vacuum bleeds, adopts the vacuum to bleed to the mould runner, and the vacuum tube is equipped with the runner in the gas pocket intercommunication template, and the notion of vacuum die-casting is: the gas in the die cavity of the die is pumped away from the discharge port by controlling a vacuum valve, so that the interior of the die cavity is in a vacuum state, a critical area exists in an exhaust passage connected with the discharge port, the critical area is related to the quantity of the gas pumped out of the die cavity, the pumping time and the filling time, and relevant size data are adjusted according to actual products; four side loose cores are made in each product die cavity, the sliding block is drawn by adopting the inclined guide columns, all matching surfaces must be matched in place, and otherwise, the die is easy to fly. The first runner and the second runner are designed on a machining surface and at positions easy to handle manually according to machining drawing requirements, and a vacuum tube is designed between the two die cavities to cool a high-temperature hot spot area of a die in a circulating water cooling mode, so that the temperature of the die is controlled within an ideal range in the die casting production process.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims

1. The utility model provides a valve body die casting die runner structure which characterized in that: the die comprises a template and a die core, wherein product die cavities are respectively arranged on two sides of the template, and the die core is placed in the product die cavities; a side core-pulling position is arranged at the product die cavity, a sliding block is placed at the side core-pulling position, an inclined guide pillar is inserted into the sliding block, and the sliding block is pulled by the inclined guide pillar;

2. The valve body die casting mold runner structure according to claim 1, characterized in that: the die core is provided with a valve body molding position and a pipe groove, and the pipe groove is connected to the valve body molding position in a cross mode.

3. The valve body die casting mold runner structure according to claim 1, characterized in that: the discharge gate department installs the water conservancy diversion piece, ejection of compact runner is located the water conservancy diversion piece.