CN204584276U - A kind of powder metallurgy injection moulding cooling pin - Google Patents

Abstract

The utility model relates to a kind of powder metallurgy injection moulding cooling pin, it is embedded in mold, cooling water channel is provided with in this mold, this powder metallurgy injection moulding cooling pin and this cooling water channel intersect, this powder metallurgy injection moulding cooling pin comprises embedded body, lower embedded body and water flow grooves, wherein, on this, embedded body and this lower embedded body are separately positioned on the two ends up and down of this water flow grooves, in this water flow grooves, scrobicular ring is located on the outer surface of this powder metallurgy injection moulding cooling pin, this water flow grooves is connected with this cooling water channel, embedded body and this lower embedded body offer seal groove respectively for this, sealing ring correspondence is arranged in sealing groove, by two sealing circles, the inner surface of this water flow grooves crosses water cavity around formation one.

Description

A powder alloy injection molding cooling insert

technical field

The utility model relates to an inserting needle, in particular to a cooling inserting needle used in the powder alloy injection molding process.

Background technique

As we all know, metal powder injection molding technology is to use the characteristics of mold injection molding and quickly manufacture high-density, high-precision, three-dimensional complex structural parts through sintering, which can quickly and accurately materialize design ideas into products with certain structural and functional characteristics. , and can directly mass-produce parts products. Metal powder injection molding technology not only has the advantages of less conventional powder metallurgy process steps, no cutting, and high economic benefits, but also overcomes the shortcomings of uneven material, low mechanical properties, and difficulty in forming thin walls in traditional processes, and is especially suitable for mass production Small, complex and metal parts with special requirements.

Metal powder injection molding technology has special requirements for mold cooling. In order to meet this special requirement, an additional cooling system will be installed in the general metal powder injection molding mold, but this cooling method not only has poor cooling effect but also increases The structural complexity of the mould, which is the main disadvantage of the prior art.

Utility model content

The technical scheme adopted by the utility model is: a powder alloy injection molding cooling insert, which is embedded in the mold body. middle.

The mold body is provided with a cooling water channel, and the powder alloy injection molding cooling insert intersects with the cooling water channel. During specific work, the cooling water circulates in the cooling water channel to initially cool the mold body. At the same time, Since the powder alloy injection cooling insert intersects with the cooling channel, and the powder alloy injection cooling insert is embedded in the mold body, the mold body can be deeply To lower the temperature, in order to improve the cooling effect, several of the powder alloy injection cooling inserts can be sequentially embedded in the mold body as required.

The powder alloy injection molding cooling insert includes an upper inlay body, a lower inlay body and a water flow groove, wherein the upper inlay body and the lower inlay body are respectively arranged at the upper and lower ends of the water flow groove, and the inner concave ring of the water flow groove is arranged on the On the outer surface of the powder alloy injection molding cooling insert, the water flow groove is connected with the cooling water channel, and sealing grooves are respectively opened on the upper inlay body and the lower inlay body, and the sealing ring is correspondingly arranged in the sealing groove. A water passage cavity is formed around the inner surface of the sealing ring and the water flow tank.

During specific work, the cooling water in the cooling water channel passes through several water passage chambers in sequence, and can greatly reduce the temperature of the mold body while cooling down several of the powder alloy injection cooling inserts.

During specific implementation, the powder alloy injection molding cooling insert is also provided with a thimble hole, and the thimble hole is set through the powder alloy injection cooling insert from top to bottom, and the thimble hole is pierced with a thimble , When working, the ejection of the product can be facilitated by the upward action of the thimble.

The beneficial effects of the utility model are: when the utility model is working, the cooling water circulates in the cooling water channel to initially cool down the mold body. and the powder alloy injection cooling insert is embedded in the mold body, so the mold body can be deeply cooled by the powder alloy injection cooling insert to improve the cooling effect.

Description of drawings

Fig. 1 is a structural schematic diagram of the utility model embedded in the mold body.

Fig. 2 is a structural schematic diagram of the utility model.

Fig. 3 is a structural schematic diagram of the utility model and the cooling water channel.

Detailed ways

As shown in Figures 1 to 3, a powder alloy injection molding cooling insert is embedded in the mold body 10, and during specific implementation, the powder alloy injection molding cooling insert is embedded in the lower mold body of the mold body 10 middle.

The mold body 10 is provided with a cooling channel 20 , and the powder alloy injection molding cooling insert intersects with the cooling channel 20 .

During specific work, the cooling water circulates in the cooling water channel 20 to initially cool down the mold body 10. At the same time, since the powder alloy injection molding cooling insert meets the cooling water channel 20, the powder alloy The alloy injection molding cooling insert is embedded in the mold body 10, so the mold body 10 can be deeply cooled by the powder alloy injection cooling insert to improve the cooling effect.

During specific implementation, several powder alloy injection molding cooling inserts can be sequentially embedded in the mold body 10 as required.

The powder alloy injection molding cooling insert includes an upper insert 31 , a lower insert 32 and a water channel 33 , wherein the upper insert 31 and the lower insert 32 are respectively arranged at the upper and lower ends of the water channel 33 .

The inner concave ring of the water flow groove 33 is arranged on the outer surface of the powder alloy injection molding cooling insert, and the water flow groove 33 communicates with the cooling water channel 20 .

Sealing grooves are defined on the upper inlay body 31 and the lower inlay body 32 respectively, and the sealing rings 34 are correspondingly arranged in the sealing grooves.

A water passage cavity 35 is formed around the inner surface of the water flow groove 33 by means of the two sealing rings 34 .

During specific work, the cooling water in the cooling water channel 20 passes through several water passing cavities 35 sequentially, and can greatly reduce the temperature of the mold body 10 while cooling down the several powder alloy injection cooling inserts.

During specific implementation, an ejector pin hole 41 is opened in the powder alloy injection molding cooling insert, and the ejector pin hole 41 is provided through the powder alloy injection molding cooling insert from top to bottom.

A thimble 42 is pierced through the thimble hole 41 .

When working, the ejection of the product 100 can be facilitated by the upward action of the thimble 42 .

Claims (4)

1. a powder metallurgy injection moulding cooling pin, it is embedded in mold, it is characterized in that: be provided with cooling water channel in this mold, and this powder metallurgy injection moulding cooling pin and this cooling water channel intersect,

This powder metallurgy injection moulding cooling pin comprises embedded body, lower embedded body and water flow grooves, wherein, on this, embedded body and this lower embedded body are separately positioned on the two ends up and down of this water flow grooves, in this water flow grooves, scrobicular ring is located on the outer surface of this powder metallurgy injection moulding cooling pin, this water flow grooves is connected with this cooling water channel, embedded body and this lower embedded body offer seal groove respectively for this, sealing ring correspondence is arranged in sealing groove, and the inner surface by two sealing circles, this water flow grooves crosses water cavity around formation one.

2. a kind of powder metallurgy injection moulding cooling pin as claimed in claim 1, it is characterized in that: in this powder metallurgy injection moulding cooling pin, also offer centre hole, this centre hole run through from top to bottom be arranged on this powder metallurgy injection moulding cooling pin in, be equipped with thimble in this centre hole.

3. a kind of powder metallurgy injection moulding cooling pin as claimed in claim 2, is characterized in that: this powder metallurgy injection moulding cooling pin is embedded in the lower mold body of this mold.

4. a kind of powder metallurgy injection moulding cooling pin as claimed in claim 1, is characterized in that: some this powder metallurgy injection moulding cooling pin orders are embedded in this mold.