CN203831701U - Keyboard base mold - Google Patents

Abstract

The utility model discloses a keyboard base mold which comprises an upper mold plate, an upper insulating plate, a female mold plate, a male mold plate, a mold core, a lower insulating plate and a lower mold plate, wherein the upper insulating plate is arranged on the lower surface of the upper mold plate; the female mold plate is arranged on the lower surface of the upper insulating plate; the male mold plate is arranged on the lower surface of the female mold plate; a forming chamber is defined between the female mold plate and the male mold plate; the mold core is arranged inside the forming chamber; the mold core is internally provided with a runner hole; the area of the cross section of the runner hole is reduced from top to bottom; the lower insulating plate is arranged on the lower surface of the male mold plate; the lower mold plate is arranged on the lower surface of the lower insulating plate. According to the embodiment of the utility model, the keyboard base mold has the advantages of smoothness in rubber feeding, high product quality, short forming time, low production cost and the like.

Description

Keyboard base mould

Technical field

The utility model relates to a kind of keyboard base mould.

Background technology

Injection mold is the important process equipment of producing various industrial products, along with plastic mould design industry developing rapidly and plasthetics aviation, boat too, the applying of the industrial department such as electronics, machinery, boats and ships and automobile, product is more and more higher to the requirement of mould, and traditional plastic mould method for designing cannot adapt to model change and propose high-quality requirement.Computer aided engineering technology become these weak links in plastic cement products exploitation, Design of Dies and product processing the most effectively by way of.

In existing keyboard base mould, while existing into glue, walk the defect that glue has some setbacks, the pressure loss is large, cause product regularly to lack material, product fraction defective is higher.

Utility model content

The utility model provides a kind of keyboard base mould, and described keyboard base mould comprises: cope match-plate pattern; Upper thermal insulation board, described upper thermal insulation board is located on the lower surface of described cope match-plate pattern; Caster, described caster is located on the lower surface of described upper thermal insulation board; Male model plate, described male model plate is located on the lower surface of described caster, between wherein said caster and described male model plate, limits die cavity; Die, described die is located in described die cavity, is provided with runner hole in wherein said die, and the area of the cross section in described runner hole reduces from top to bottom; Lower thermal insulation board, described lower thermal insulation board is located on the lower surface of described male model plate; And lower bolster, described lower bolster is located on the lower surface of described lower thermal insulation board.

According to keyboard base mould of the present utility model, by the area of the cross section in runner hole and described runner hole is set in described die, reduce from top to bottom, thereby can reduce into glue laminated power, and then shortening forming time.That is to say, according to keyboard base mould of the present utility model, can be smooth and easy enter glue, be unlikely to the pressure loss excessive, can not cause because of the pressure loss product to lack material etc. bad for product thus, thereby improved product quality, reduced production cost.

Therefore, according to keyboard base mould of the present utility model, there is the advantages such as smooth and easy into glue, product quality is high, molding time is short, production cost is low.

Preferably, described die comprises: mother module core, and described mother module core is located on described caster, and wherein said runner hole is located on described mother module core; And male die core, described male die core is located on described male model plate.

Preferably, the area of the cross section in described runner hole reduces from top to bottom gradually.

Preferably, first cross section in described runner hole is trapezoidal, and described the first cross section is perpendicular to fore-and-aft direction.

Preferably, described the first cross section is isosceles trapezoid.

Preferably, described keyboard base mould also comprises runner elements, has described runner hole in described runner elements, and the upper surface of wherein said mother module core is provided with accommodation hole, and described runner elements is located in described accommodation hole.

Preferably, the upper end of the wall of described accommodation hole is configured with stage portion, and the upper end of described runner elements is provided with flange, and described flange support is in described stage portion.

Preferably, the lower end of described runner elements is provided with the cast gate being communicated with described runner hole.

Preferably, the second cross section of described cast gate is trapezoidal, and described the second cross section is perpendicular to fore-and-aft direction.

Preferably, described the second cross section is isosceles trapezoid.

Accompanying drawing explanation

Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:

Fig. 1 is according to the structural representation of the keyboard base mould of the utility model embodiment.

Keyboard base mould 1, cope match-plate pattern 10, upper thermal insulation board 20, caster 30, male model plate 40, die 50, runner hole 51, mother module core 52, male die core 53, lower thermal insulation board 60, lower bolster 70.

The specific embodiment

Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.

Below with reference to Fig. 1, describe according to the keyboard base mould 1 of the utility model embodiment.As shown in Figure 1, according to the keyboard base mould 1 of the utility model embodiment, comprise cope match-plate pattern 10, upper thermal insulation board 20, caster 30, male model plate 40, die 50, lower thermal insulation board 60 and lower bolster 70.

Upper thermal insulation board 20 is located on the lower surface of cope match-plate pattern 10.Caster 30 is located on the lower surface of thermal insulation board 20, and male model plate 40 is located on the lower surface of caster 30, wherein between caster 30 and male model plate 40, limits die cavity.Die 50 is located in described die cavity, wherein in die, is provided with runner hole 51, and the area of the cross section in runner hole 51 reduces from top to bottom.Lower thermal insulation board 60 is located on the lower surface of male model plate 40, and lower bolster 70 is located on the lower surface of lower thermal insulation board 60.

According to the keyboard base mould 1 of the utility model embodiment by reducing from top to bottom at the interior area that the cross section in runner hole 51 and runner hole 51 is set of die 50, thereby can reduce into glue laminated power and then shortening forming time.That is to say, according to the keyboard base mould 1 of the utility model embodiment, can be smooth and easy enter glue, be unlikely to the pressure loss excessive, can not cause because of the pressure loss product to lack material etc. bad for product thus, thereby improved product quality, reduced production cost.

Therefore, according to the keyboard base mould 1 of the utility model embodiment, there is the advantages such as smooth and easy into glue, product quality is high, molding time is short, production cost is low.

Preferably, the area of the cross section in runner hole 51 can reduce from top to bottom gradually.Can further reduce into glue laminated power thus, further shortening forming time, thus can make into glue more smooth and easyly, further reduce the pressure loss, to further improve the quality of products, further reduce production costs.

As shown in Figure 1, in embodiment more of the present utility model, die 50 can comprise mother module core 52 and male die core 53.Mother module core 52 can be located on caster 30, and wherein runner hole 51 can be located on mother module core 52.Male die core 53 can be located on male model plate 40.It is more reasonable to make thus according to the structure of the keyboard base mould 1 of the utility model embodiment.

First cross section in runner hole 51 can be trapezoidal, and described the first cross section can be perpendicular to fore-and-aft direction.Wherein, this fore-and-aft direction can be perpendicular to paper, and described the first cross section can be parallel to paper.Can further reduce into glue laminated power thus, further shortening forming time, thus can make into glue more smooth and easyly, further reduce the pressure loss, to further improve the quality of products, further reduce production costs.

Advantageously, described the first cross section can be isosceles trapezoid.Can further reduce into glue laminated power thus, further shortening forming time, thus can make into glue more smooth and easyly, further reduce the pressure loss, to further improve the quality of products, further reduce production costs.

In examples more of the present utility model, according to the keyboard base mould 1 of the utility model embodiment, can also comprise runner elements, in described runner elements, there is runner hole 51.Wherein, on the upper surface of mother module core 52, can be provided with accommodation hole, described runner elements can be located in described accommodation hole.Thus without be processed to form runner hole 51 on mother module core 52, thereby can reduce difficulty of processing and the manufacturing cost of keyboard base mould 1.

Preferably, the upper end of the wall of described accommodation hole can be configured with stage portion, and the upper end of described runner elements can be provided with flange, and described flange can be supported in described stage portion.Can make thus described runner elements more firmly, easily be arranged on mother module core 52, thereby can make the structure of keyboard base mould 1 more reasonable, stable.

The lower end of described runner elements can be provided with the cast gate being communicated with runner hole 51.The second cross section of described cast gate can be trapezoidal, and described the second cross section can be perpendicular to fore-and-aft direction.Can make thus the structure of keyboard base mould 1 more reasonable.

Preferably, the second cross section can be isosceles trapezoid.Can make thus the structure of keyboard base mould 1 more reasonable.

In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.

Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.

Claims (10)

1. a keyboard base mould, is characterized in that, comprising:

Cope match-plate pattern;

Upper thermal insulation board, described upper thermal insulation board is located on the lower surface of described cope match-plate pattern;

Caster, described caster is located on the lower surface of described upper thermal insulation board;

Male model plate, described male model plate is located on the lower surface of described caster, between wherein said caster and described male model plate, limits die cavity;

Die, described die is located in described die cavity, is provided with runner hole in wherein said die, and the area of the cross section in described runner hole reduces from top to bottom;

Lower thermal insulation board, described lower thermal insulation board is located on the lower surface of described male model plate; With

Lower bolster, described lower bolster is located on the lower surface of described lower thermal insulation board.

2. keyboard base mould according to claim 1, is characterized in that, described die comprises:

Mother module core, described mother module core is located on described caster, and wherein said runner hole is located on described mother module core; With

Male die core, described male die core is located on described male model plate.

3. keyboard base mould according to claim 1, is characterized in that, the area of the cross section in described runner hole reduces from top to bottom gradually.

4. keyboard base mould according to claim 1, is characterized in that, first cross section in described runner hole is trapezoidal, and described the first cross section is perpendicular to fore-and-aft direction.

5. keyboard base mould according to claim 4, is characterized in that, described the first cross section is isosceles trapezoid.

6. keyboard base mould according to claim 2, is characterized in that, also comprises runner elements, has described runner hole in described runner elements, and the upper surface of wherein said mother module core is provided with accommodation hole, and described runner elements is located in described accommodation hole.

7. keyboard base mould according to claim 6, is characterized in that, the upper end of the wall of described accommodation hole is configured with stage portion, and the upper end of described runner elements is provided with flange, and described flange support is in described stage portion.

8. keyboard base mould according to claim 6, is characterized in that, the lower end of described runner elements is provided with the cast gate being communicated with described runner hole.

9. keyboard base mould according to claim 8, is characterized in that, the second cross section of described cast gate is trapezoidal, and described the second cross section is perpendicular to fore-and-aft direction.

10. keyboard base mould according to claim 9, is characterized in that, described the second cross section is isosceles trapezoid.