CN2698566Y

CN2698566Y - Mould for making fan frame

Info

Publication number: CN2698566Y
Application number: CNU200420044248XU
Authority: CN
Inventors: 古金龙; 叶锦文
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2004-03-27
Filing date: 2004-03-27
Publication date: 2005-05-11
Anticipated expiration: 2014-03-27
Also published as: US20050214142A1

Abstract

A mold for manufacturing a fan frame, the fan frame includes an outer frame with an opening, a number of mounting holes are provided near the corners of the outer frame, the mold includes a dynamic mold and a static mold, and the dynamic and static molds are combined to form To form a cavity of the outer frame of the fan frame, a number of inserts for forming the mounting holes of the fan frame are extended from the mold into the cavity, and the side of these inserts is connected with the extended mold main body , so as to enhance the ability of the insert to withstand impact and avoid damage during processing or handling that will cause the mold to be scrapped.

Description

Make the mould of fan frame

[technical field]

The utility model is about a kind of mould, is meant a kind of mould that is used for making fan frame especially.

[background technology]

Usually, the employed fan in electronic radiation field is to install and fix by the installing hole that is located on its housing.Be a kind of traditional fan 100 as shown in Figure 1, it comprises a housing 101 and an impeller 103, this impeller 103 is contained in the housing 101 to produce air-flow, four corner positions of this housing 101 are provided with installing hole 105, these installing holes 105 are straight hole, by screw etc. is passed these installing holes 105 fan 100 are tightened to be fixed on (figure does not show) on the radiator.Figure 2 shows that the mould schematic diagram that is used to process this fan housing 101, it comprises a quiet mould 90 and a dynamic model 80, both offer the sprue gate of injecting for raw material (figure does not show) in addition in conjunction with forming a cavity volume 70 that is complementary with fan housing 101 in the appropriate position of quiet mould 90.In the process that this housing 101 is made, in cavity volume 70, inject raw materials via the sprue gate, after the moulding cooling, remove dynamic model 80, take out the interior finished product of cavity volume 70 and promptly get said fans housing 101 structures via suitable processing.

For forming the installing hole 105 of fan housing 101 4 corners, must in mould (dynamic model 80 or quiet mould 90), elongated rod mold insert 92 be set, as shown in Figure 3 and Figure 4, this independently mold insert 92 extend by quiet mould 90 and deeply to cavity volume 70, it is easy to damage in process, in addition move or transportation in, also be easy to be clashed into and fracture, and cause this quiet mould 90 to be scrapped, and especially when the axial dimension of fan 100 is big, these mold insert 92 easier being damaged.

[summary of the invention]

The purpose of this utility model is to provide a kind of mould of making fan frame, and it can be strengthened the intensity of mold insert and prevent the damage that it is too much.

The purpose of this utility model is achieved through the following technical solutions: mould of the present utility model is used for making fan frame, this fan frame comprises that one has the housing of opening, edge near this housing is provided with some installing holes, this mould comprises a dynamic model and a quiet mould, moving, quiet mould is used for the cavity volume of housing of this fan frame of moulding in conjunction with formation, by the mold insert that is extended with some installing holes that are used for this fan frame of moulding on the mould in the cavity volume, the side direction of these mold inserts partly links to each other with the die main body that is extended, and makes the installing hole side direction formation of made fan frame slot and communicate with the external world.

Compared with prior art, the set mold insert of mould of the present utility model links to each other with the main part of mould, has strengthened the ability that mold insert bears impact resistance, avoids producing in processing or handling process destroying and causing this mould to be scrapped; In addition, utilize the installing hole side direction of the fan frame of this mould institute moulding to form fluting and communicate, make these installing holes have good flexibility and pass with the screw of different size size etc. expansively and install and fix with the external world.

[description of drawings]

Below with reference to accompanying drawing, in conjunction with the embodiments the utility model is further described.

Fig. 1 is the stereogram of existing fan.

Fig. 2 is the generalized section for the employed mould of housing of moulding fan shown in Figure 1, comprising dynamic model and quiet mould.

Fig. 3 is the generalized section of the quiet mould part of Fig. 2 along the A-A line.

Fig. 4 is the generalized section of Fig. 3 along the B-B line.

Fig. 5 and Fig. 3 are similar, but are shown as the quiet mould part that the utility model is made the mould of fan frame.

Fig. 6 is the stereogram of the fan frame of the utility model mould institute moulding of making fan frame.

[specific embodiment]

Mould and Fig. 2 to Fig. 4 of the utility model manufacturing fan frame are similar, comprise a dynamic model and a quiet mould, moving, quiet mould is used for the cavity volume of housing of moulding fan frame in conjunction with formation, by the mold insert that is extended with some installing holes that are used for this fan frame of moulding on the mould in the cavity volume, different is, and quiet mould and Fig. 3 that the utility model adopts are variant slightly, please refer to shown in Figure 5, be the quiet mould 90a generalized section that the utility model adopted, it in terms of existing technologies, the set mold insert 92a of this quiet mould 90a links to each other by a lamellar body 94 with the main body of quiet mould 90a, strengthened the ability that mold insert 92a bears impact resistance, thus frangibility not.

Fig. 6 utilizes the made fan frame of the utility model mould 10, this fan frame 10 comprises a housing 11, this housing 11 is formed with an opening 16 in central authorities, four corner positions of this housing 11 are provided with four installing holes 18, can this fan be fixed for screw etc. passes, wherein each installing hole 18 is formed with the fluting 19 of penetrating mounting holes 18 whole height towards lateral surface with respect to the lamellar body 94 of mould, the flexibility that these flutings 19 can increase installing hole 18 installs and fixes thereby pass for the screw of different size size expansively.

In addition, this fan frame 10 also comprises a motor seat 12 that is arranged on these opening 16 central authorities and the some roots 14 that are connected housing 11 and motor seat 12, this motor seat 12 and rib 14 can be made or separate manufacturing with housing 11 is one-body molded, if in corresponding mould, then should add this part molding structure one-body molded then this moment, but because this part molding structure does not relate to the creation characteristic of the utility model mould, so in diagram, do not disclose, one blast fan (figure do not show) can be placed in this opening 16 and further be connected with a motor (figure does not show) and be installed on the motor seat 12, drives the suction effect of blast fan rotation generation air-flow by the power of motor.

Certainly, the set lamellar body 94 of this mould also can be done the adjustment of a definite form, as it is designed to mold insert 92a axially at an angle, perhaps make its part that is formed on mold insert 92a highly first-class, thereby the installing hole 18 that correspondingly makes the fan frame 10 of institute's moulding also is diversity to be changed, in addition, this mold insert 92a also can be from the dynamic model extends in the cavity volume and forms.

Claims

1. A mold for manufacturing a fan frame, the fan frame includes an outer frame with an opening, a number of mounting holes are provided near the corners of the outer frame, the mold includes a movable mold and a static mold, and the dynamic and static molds are combined A cavity for forming the outer frame of the fan frame is formed, which is characterized in that: there are several inserts extending from the mold into the cavity for forming the mounting holes of the fan frame. The extended mold body portions are connected.

2. The mold for manufacturing the fan frame according to claim 1, wherein the inserts extend from the static mold into the cavity.

3. The mold for manufacturing the fan frame according to claim 1, wherein the inserts extend from the movable mold into the cavity.

4. The mold for manufacturing the fan frame according to claim 1, wherein the inserts are connected with the extended main body of the mold through a piece.

5. The mold for manufacturing a fan frame as claimed in claim 4, wherein the sheet is formed on a part of the height of the insert.

6 . The mold for manufacturing the fan frame according to claim 4 , wherein the piece forms a certain angle with the axial direction of the insert. 7 .

7. The mold for manufacturing a fan frame according to claim 4, wherein the sheet body is parallel to the axial direction of the insert.