CN213559820U - Horizontal central gate structure of mould - Google Patents

Abstract

The utility model discloses a horizontal central runner structure of mould, including moving die frame, moving die core, cover half frame and cover half core, moving die core and cover half core component mould benevolence, be equipped with the inner chamber in the mould benevolence, but be equipped with lateral shifting's take-up housing on the moving die frame, be equipped with slider body on the take-up housing, intracavity including slider body sets up, form the shaping cavity between the inside wall of slider body and inner chamber, be equipped with the runner of horizontal setting and the sprue gate of vertical setting on the mould benevolence, the one end and the sprue gate intercommunication of runner, the other end and the shaping cavity circulation of runner. The utility model provides a horizontal central runner structure of mould, through violently putting slider body and shaping cavity, can make the mould structure simpler, slider body lateral shifting can realize loosing core for the production beat.

Description

Horizontal central gate structure of mould

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to a horizontal central runner structure of mould is related to.

Background

The inner water jacket of the new energy automobile motor is generally formed by die casting, in the past, molten metal feed liquid enters from the side face of a product, namely a pouring gate is arranged on the side edge of the product, and although the product and the pouring gate are easy to separate from a die, bubbles are often generated during T6 treatment due to the reasons of difficult exhaust, pressure transmission and the like, and internal leakage and the like occur; therefore, a gate is used in the center of a product to feed from the middle, but the existing mold is generally a vertical center gate structure which is relatively complex and inconvenient to demold. Therefore, a mold horizontal central gate structure needs to be designed, the mold structure can be simpler by arranging the sliding block body and the forming cavity horizontally, core pulling can be realized by the transverse movement of the sliding block body, and the production takt is accelerated.

Chinese patent application publication No. CN100352578C, published as 2007, 12.05.3, entitled "mold structure for manufacturing front cylinder cover of automobile air-conditioning compressor", discloses a mold structure for manufacturing front cylinder cover of automobile air-conditioning compressor, used for extrusion manufacturing front cylinder cover of automobile air-conditioning compressor, adopting a central sprue, feeding from the lower side, comprising an upper mold core, a lower mold core, a sprue cup and a material cylinder, wherein cavities are arranged in the upper and lower mold cores, and a mold core is arranged in the upper mold core cavity, characterized in that, the section of the sprue channel of the sprue cup under the lower mold core is two discontinuous semicircular rings, the lower side of the sprue channel is communicated with the material cylinder, the upper side is communicated with the cavity in the lower mold core, the lower part of the cavity is used for casting a shaft seat, and the mold core of a casting shaft seat; the top of the core of the casting shaft seat hole is provided with a convex part which is an inclined plane. The mold structure of this patent does not solve the above problems.

Disclosure of Invention

The utility model discloses an overcome among the prior art automobile motor's interior water jacket die casting die's vertical central runner structure complicated relatively, the inconvenient not enough of drawing of patterns provides a horizontal central runner structure of mould, through violently putting slider body and shaping cavity, can make the mould structure simpler, and slider body lateral shifting can realize loosing core for the production beat.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a horizontal central runner structure of mould, including the movable mould frame, the movable mould core, cover half frame and cover half core, movable mould core and cover half core component mould benevolence, be equipped with the inner chamber in the mould benevolence, but be equipped with lateral shifting's slider seat on the movable mould frame, be equipped with the slider body on the slider seat, intracavity including the slider body sets up, form the shaping cavity between the inside wall of slider body and inner chamber, be equipped with the runner of horizontal setting and the sprue gate of vertical setting on the mould benevolence, the one end and the sprue gate intercommunication of runner, the other end and the shaping cavity circulation of runner.

Among the above-mentioned technical scheme, through transversely putting slider body and shaping cavity, can make the mould structure simpler, slider body lateral shifting can realize loosing core for the production beat, has practiced thrift the material, convenient maintenance. And the liquid inlet channel is arranged at the center of the molding cavity, so that the wall thickness of a product in the molding cavity after molding is more uniform.

Preferably, the pouring gate is of a tapered structure which is reduced from top to bottom. The structure facilitates the pouring of molten metal.

Preferably, the cross-sectional dimension of the runner decreases from the end near the pouring gate to the end near the molding cavity. The structure can fully extrude the gas in the flow channel.

Preferably, a conical flow divider is arranged at the junction of the flow channel and the forming cavity, a gap is formed between the flow divider and the inner side wall of the inner cavity, and the gap is communicated with the flow channel and the forming cavity. The structure can make the liquid in the runner enter the molding cavity along the annular gap, and ensure that the molding wall thickness of the product is more uniform. The outer side of the shunt can be provided with a cooling structure, so that the liquid metal in the gap can be cooled in time.

Preferably, the gap and the molding cavity are in circular arc transition. The dead angle can be avoided to the structure, guarantees that product shaping wall thickness is more even.

Preferably, a slag collecting bag is arranged on the pouring gate. The slag collecting bag can filter waste slag.

Preferably, the molding device further comprises a vacuum valve, and the vacuum valve is communicated with one side of the molding cavity far away from the runner. The vacuum valve sucks out gas to ensure that the forming cavity is filled with liquid metal.

Preferably, an annular slag ladle is arranged between the vacuum valve and the molding cavity. The annular slag ladle can increase the capacity, so that the slag discharging and air exhausting effects are better.

Preferably, the runner is arranged between the movable mold core and the fixed mold core. The structure can enable metal flowing into the cavity to flow in from the center of the molding cavity, and the molding effect is better.

The utility model has the advantages that: (1) the structure of the die is simpler, the core can be pulled only by the transverse movement of the sliding block body, the production beat is accelerated, the material is saved, and the maintenance is convenient; (2) the wall thickness of the product in the molding cavity after molding is more uniform.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention.

In the figure: the mould comprises a movable mould frame 1, a movable mould core 2, a fixed mould frame 3, a fixed mould core 4, a mould core 5, an inner cavity 5.1, a forming cavity 5.2, a runner 5.3, a pouring gate 5.4, a gap 5.5, a slide block seat 6, a slide block body 7, a flow divider 8 and a vacuum valve 9.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1:

as shown in fig. 1 and 2, a horizontal center gate structure of a mold comprises a movable mold frame 1, a movable mold core 2, a fixed mold frame 3, a fixed mold core 4, a vacuum valve 9, a mold core 5 consisting of the movable mold core 2 and the fixed mold core 4, an inner cavity 5.1 arranged in the mold core 5, a slide seat 6 capable of moving transversely and arranged on the movable mold frame 1, a slide body 7 arranged on the slide seat 6, the slide body 7 arranged in the inner cavity 5.1, a molding cavity 5.2 formed between the slide body 7 and the inner side wall of the inner cavity 5.1, a horizontally arranged runner 5.3 and a vertically arranged sprue gate 5.4 arranged on the mold core 5, the runner 5.3 arranged between the movable mold core 2 and the fixed mold core 4, one end of the runner 5.3 communicated with the sprue gate 5.4, and the other end of the runner 5.3 communicated with the molding cavity 5.2. The pouring gate 5.4 is of a tapered structure which is reduced from top to bottom; a slag collecting bag is arranged on the pouring gate 5.4; the cross-sectional dimension of the runner 5.3 decreases from the end near the pouring opening 5.4 to the end near the molding cavity 5.2. The cross-sectional dimension of the runner 5.3 decreases progressively from the end close to the pouring gate 5.4 to the end close to the molding cavity 5.2, the gap 5.5 and the molding cavity 5.2 are in arc transition, and the vacuum valve 9 is communicated with one side of the molding cavity 5.2 far away from the runner 5.3.

Among the above-mentioned technical scheme, through transversely putting slider body 7 and shaping cavity 5.2, can make the mould structure simpler, slider body 7 lateral shifting can realize loosing core for the production beat, practiced thrift the material, convenient maintenance. And the liquid inlet channel is arranged at the center of the molding cavity 5.2, so that the wall thickness of the molded product in the molding cavity 5.2 is more uniform.

Claims (9)

1. The utility model provides a horizontal central runner structure of mould, characterized by, including the movable mould frame, the movable mould core, cover half frame and cover half core, the movable mould core becomes the mould benevolence with the cover half core, be equipped with the inner chamber in the mould benevolence, but be equipped with lateral shifting's take-up housing on the movable mould frame, be equipped with the slider body on the take-up housing, the intracavity including the slider body sets up, form the shaping cavity between the inside wall of slider body and inner chamber, be equipped with the runner of horizontal setting and the sprue gate of vertical setting on the mould benevolence, the one end and the sprue gate intercommunication of runner, the other.

2. The mold horizontal center gate structure of claim 1, wherein said gate is tapered from top to bottom.

3. The mold horizontal center gate structure of claim 1, wherein the cross-sectional dimension of the runner decreases from the end adjacent to the gate to the end adjacent to the molding cavity.

4. The structure of claim 1, 2 or 3, wherein a tapered flow divider is disposed at the junction of the flow channel and the molding cavity, and a gap is disposed between the flow divider and the inner sidewall of the inner cavity, and the gap communicates the flow channel and the molding cavity.

5. The mold horizontal center gate structure of claim 4, wherein the gap transitions in a circular arc with respect to the molding cavity.

6. The structure of claim 1, 2 or 3, wherein a slag trap is provided on the pouring gate.

7. The structure of claim 1, 2 or 3, further comprising a vacuum valve, wherein the vacuum valve is connected to a side of the molding cavity away from the runner.

8. The mold horizontal center gate structure of claim 7, wherein an annular slag ladle is provided between the vacuum valve and the molding cavity.

9. The structure of claim 1, 2 or 3, wherein the runner is disposed between the movable mold core and the fixed mold core.

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