CN213919381U

CN213919381U - Plastic mold for fan blades of computer cooling fan

Info

Publication number: CN213919381U
Application number: CN202022520943.0U
Authority: CN
Inventors: 李新周
Original assignee: Chongqing Xutaili Precision Mould Co ltd
Current assignee: Chongqing Xutaili Precision Mould Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-08-10
Anticipated expiration: 2030-11-04

Abstract

The utility model relates to the technical field of plastic moulds, in particular to a computer cooling fan blade plastic mould, which comprises a lower template, wherein a lower mould is arranged on the top wall of the lower template, a cooling cavity is arranged inside the lower mould, a liquid inlet pipe and a liquid outlet pipe are respectively arranged on the front side wall of the lower mould near the left side and the right side, a heat conducting component is arranged on the inner wall of the top of the lower mould inside the cooling cavity, the heat conducting component comprises a heat conducting block, a plurality of radiating fins are arranged on the bottom wall of the heat conducting block, and a heat conducting silica gel pad is bonded on the top wall of the heat conducting block; install first sealed pad on the roof of bed die, the top of bed die is equipped with the cope match-plate pattern, and the mould is installed to the diapire of cope match-plate pattern, and the sealed pad of second is installed to the diapire of cope match-plate pattern, and this computer cooling fan blade plastic mould can cool off the injection molding liquid effectively for cooling rate, thereby accelerated the shaping speed of work piece, improved work efficiency.

Description

Plastic mold for fan blades of computer cooling fan

Technical Field

The utility model relates to a plastic mould technical field, specifically speaking relates to a computer cooling fan blade plastic mould.

Background

The plastic mold is a short name for a combined mold used for compression molding, extrusion molding, injection, blow molding and low-foaming molding. The coordination change of the male die, the female die and the auxiliary forming system of the die can process a series of plastic parts with different shapes and sizes. When the computer cooling fan blade is processed, a plastic mold is often needed, but the cooling speed of the injection molding liquid of the plastic mold used at present is lower, so that the molding time of a workpiece is longer, and the working efficiency is reduced. In view of the above, we propose a plastic mold for a fan blade of a computer cooling fan.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a computer cooling fan blade plastic mould to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a plastic mold for fan blades of a computer cooling fan comprises a lower template, wherein a lower mold is mounted on the top wall of the lower template, a cooling cavity is formed inside the lower mold, a liquid inlet pipe and a liquid outlet pipe are respectively arranged on the positions, close to the left side and the right side, of the front side wall of the lower mold, a heat conducting assembly is arranged on the inner wall of the top of the lower mold and inside the cooling cavity, the heat conducting assembly comprises a heat conducting block, a plurality of radiating fins are mounted on the bottom wall of the heat conducting block, and a heat conducting silica gel pad is bonded on the top wall of the heat conducting block; install first sealed pad on the roof of bed die, the top of bed die is equipped with the cope match-plate pattern, the mould is installed to the diapire of cope match-plate pattern, the sealed pad of second is installed to the diapire of going up the mould.

Preferably, the upper surface of the first sealing gasket is provided with a sealing groove in an annular shape, the lower surface of the second sealing gasket is provided with a sealing convex block in an annular shape, and the size of the sealing convex block is matched with that of the sealing groove in a splicing manner.

Preferably, a top plate is arranged above the upper template, two cylinders are mounted on the bottom wall of the top plate, and the end parts of piston rods of the cylinders are fixed on the upper template.

Preferably, the inside of cope match-plate pattern is located four corners and has seted up the through-hole, the roof of lower bolster is located four corners and all installs the connecting rod, the top of connecting rod passes the through-hole just is fixed on the diapire of roof.

Preferably, an injection molding pipe is arranged at the center of the top wall of the upper die plate, and the bottom end of the injection molding pipe extends into the upper die.

Preferably, the heat conduction block is installed on an inner wall of the lower mold.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the plastic mold for the fan blades of the computer cooling fan, the injection molding liquid can be effectively cooled through the arrangement of the heat conduction assembly, the cooling cavity, the liquid inlet pipe and the liquid outlet pipe, the cooling speed is accelerated, the forming speed of a workpiece is accelerated, and the working efficiency is improved.

2. This computer cooling fan blade plastic mould through the setting of first sealed pad, second sealed pad, sealed recess and sealed lug, can play fine sealed effect after the compound die, prevents to mould plastics the thermal loss of liquid.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a first gasket of the present invention;

fig. 3 is a schematic structural view of the upper die plate of the present invention;

fig. 4 is a schematic bottom view of the second gasket of the present invention;

FIG. 5 is a schematic cross-sectional view of the middle and lower molds of the present invention;

fig. 6 is a schematic structural view of the middle heat-conducting assembly of the present invention.

The meaning of the reference symbols in the figures is:

1. a lower template; 10. a connecting rod;

2. a lower die; 20. a cooling chamber; 21. a first gasket; 210. sealing the groove; 22. a liquid inlet pipe; 23. a liquid outlet pipe;

3. a top plate;

4. mounting a template; 40. a through hole;

5. an upper die; 50. injection molding a tube; 51. a second gasket; 510. sealing the bump;

6. a cylinder;

7. a heat conducting component; 70. a heat conducting block; 71. a heat sink; 72. heat conduction silica gel pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-6, the present invention provides a technical solution:

a plastic mold for a fan blade of a computer cooling fan comprises a lower template 1, wherein a lower mold 2 is installed on the top wall of the lower template 1, a cooling cavity 20 is formed inside the lower mold 2, a liquid inlet pipe 22 and a liquid outlet pipe 23 are respectively arranged on the front side wall of the lower mold 2 close to the left side and the right side, cooling liquid can be introduced into the cooling cavity 20 through the liquid inlet pipe 22, a workpiece in the mold can be cooled and molded, a heat conducting component 7 is arranged on the inner wall of the top of the lower mold 2 inside the cooling cavity 20, the heat conducting component 7 comprises a heat conducting block 70, a plurality of radiating fins 71 are installed on the bottom wall of the heat conducting block 70, and a heat conducting silica gel pad 72 is bonded on the top wall of the heat conducting block 70; install first sealed 21 of filling up on the roof of bed die 2, the top of bed die 2 is equipped with cope match-plate pattern 4, and mould 5 is installed to the diapire of cope match-plate pattern 4, and the second sealed 51 of filling up is installed to the diapire of last mould 5.

In this embodiment, the upper surface of the first sealing gasket 21 is provided with the annular sealing groove 210, the lower surface of the second sealing gasket 51 is provided with the annular sealing protrusion 510, the size of the sealing protrusion 510 is matched with that of the sealing groove 210, and the two are in plug fit, the first sealing gasket 21 and the second sealing gasket 51 are both made of rubber materials, the sealing effect is good, the sealing protrusion 510 can be inserted into the sealing groove 210 after the upper mold 5 and the lower mold 2 are closed, the sealing performance between the first sealing gasket 21 and the second sealing gasket 51 is enhanced, and heat loss of the high-temperature injection molding liquid is avoided.

In this embodiment, the top of cope match-plate pattern 4 is equipped with roof 3, and two cylinders 6 are installed to the diapire of roof 3, and the piston rod tip of cylinder 6 is fixed on cope match-plate pattern 4, can promote cope match-plate pattern 4 through cylinder 6 and rise or descend, can drive cope match-plate pattern 5 and rise or descend.

Further, the inside of cope match-plate pattern 4 is located four corners and has seted up through-hole 40, and the roof of lower bolster 1 is located four corners and all installs connecting rod 10, and the top of connecting rod 10 passes through-hole 40 and fixes on the diapire of roof 3, can guarantee through connecting rod 10 that cope match-plate pattern 4 rises steadily or descends, avoids mould 5 to take place the offset when the compound die.

In this embodiment, the injection pipe 50 is disposed at the center of the top wall of the upper mold plate 4, the bottom end of the injection pipe 50 extends into the upper mold 5, and the injection pipe 50 is convenient for introducing the molten injection molding liquid into the mold.

It should be noted that the cylinder 6 is conventional in the art and will not be described in detail herein.

In this embodiment, the heat conducting block 70 is installed on the inner wall of the lower mold 2, the heat conducting block 70 is made of copper material, the heat conducting performance is good, the heat conducting block 70 can guide the heat on the lower mold 2 to the heat radiating fins 71, so that the heat radiating fins 71 are in contact with the cooling liquid, and the heat radiating effect is enhanced.

When the plastic mold for the computer cooling fan blade is used, the upper mold plate 4 and the upper mold 5 are pushed to move downwards through the air cylinder 6, the upper mold 5 and the lower mold 2 are closed, then molten injection molding liquid is injected into the mold through the injection molding pipe 50, cooling liquid is introduced into the cooling cavity 20 through the liquid inlet pipe 22, the molten injection molding liquid can be cooled, the forming speed of a workpiece is accelerated, the heat on the lower mold 2 can be introduced onto the cooling fins 71 through the heat conducting block 70, the cooling fins 71 are in contact with the cooling liquid, and the cooling effect is enhanced.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a computer cooling fan blade plastic mould, includes lower bolster (1), its characterized in that: a lower die (2) is mounted on the top wall of the lower die plate (1), a cooling cavity (20) is formed in the lower die (2), a liquid inlet pipe (22) and a liquid outlet pipe (23) are respectively arranged on the positions, close to the left side and the right side, of the front side wall of the lower die (2), a heat conduction assembly (7) is arranged on the inner wall, located on the top of the lower die (2), in the cooling cavity (20), the heat conduction assembly (7) comprises a heat conduction block (70), a plurality of cooling fins (71) are mounted on the bottom wall of the heat conduction block (70), and a heat conduction silica gel pad (72) is bonded on the top wall of the heat conduction block (70); install first sealed pad (21) on the roof of bed die (2), the top of bed die (2) is equipped with cope match-plate pattern (4), mould (5) are installed to the diapire of cope match-plate pattern (4), the sealed pad (51) of second is installed to the diapire of cope match-plate pattern (5).

2. The plastic mold for computer cooling fan blades according to claim 1, wherein: the upper surface of first sealed pad (21) is seted up and is sealed recess (210) of annular form, the lower surface of second sealed pad (51) is equipped with and is sealed lug (510) of annular form, the size of sealed lug (510) with the size looks adaptation of sealed recess (210), and the cooperation of pegging graft between the two.

3. The plastic mold for computer cooling fan blades according to claim 1, wherein: the top of cope match-plate pattern (4) is equipped with roof (3), two cylinders (6) are installed to the diapire of roof (3), the piston rod tip of cylinder (6) is fixed on cope match-plate pattern (4).

4. The plastic mold for computer cooling fan blades according to claim 3, wherein: through-hole (40) have been seted up to the inside of cope match-plate pattern (4) and being located four corners, connecting rod (10) are all installed to the roof of lower bolster (1) is located four corners, the top of connecting rod (10) is passed through-hole (40) and is fixed on the diapire of roof (3).

5. The plastic mold for computer cooling fan blades according to claim 1, wherein: an injection molding pipe (50) is arranged at the center of the top wall of the upper template (4), and the bottom end of the injection molding pipe (50) extends into the upper mold (5).

6. The plastic mold for computer cooling fan blades according to claim 1, wherein: the heat-conducting block (70) is mounted on the inner wall of the lower die (2).