CN202367885U - Mould - Google Patents

Abstract

The utility model relates to a mould, which is assembled by two module units. Each module unit is provided with a mold and a water guide base, wherein the water guide base is provided with an induction channel which inducts the cooling water into the mold and an eduction channel, the mold is provided with a formation surface and a water-through surface separated from each other, and a plurality of double-section cooling channels positioned between the formation surface and the water-through surface and communicated with the induction channel and the eduction channel. The above formation surface faces to the other module unit, and the water-through surface clings to the water guide base. Each double-section cooling channel comprises two cooling sections on the same plane, wherein one cooling section is adjacent to the formation surface, and the other cooling section is adjacent to the water-through surface. By the design of the double cooling sections on the cooling channel, the cooling uniformity of the mould and the process precision of the formed piece are increased.

Description

Mould

Technical field

The utility model relates to a kind of mould, particularly relates to a kind of improvement of making to the cooling system of mould, makes the more uniform temperature of mould.

Background technology

Mould is that a kind of melt molding liquid that supplies injects; The special implement that has reservation shape, structure article with moulding; Common shaping dope has: plastic solution, metallic solution etc.; Because the shaping dope that is poured in the mould is essential earlier through heat, therefore general mould all has cooling system in design.And the structure of mould 1 was substantially as shown in Figure 1 in the past, comprised: all right one way or the other relative closing or separate modules unit 10, and define a die cavity 11 for shaping dope injection moulding by two modular units 10.Each modular unit 10 all has: a pedestal 12, is installed in the diversion seat 13 on the pedestal 12; And one be installed on the diversion seat 12 and towards the mould 14 of die cavity 11; Because identical on the diversion seat 13 of two modular units 10 and the mould 14, below explain with the modular unit 10 on right side about the configuration of cooling system.

Cooperate Fig. 2; The diversion seat 13 of modular unit 10 had two vertical walls 131,132 separately in the past; On the vertical wall 131 of die cavity 11, be arranged with an installation portion 133; This mould 14 is mounted on the installation portion 133 of diversion seat 13, have a forming surface 141, one and the installation portion 133 of diversion seat 13 against water flowing face 142, and a plurality of single hop cooling ducts 143 of horizontally set up and down; Each single hop cooling duct 143 all comprises a cooling section 144 in the middle of forming surface 141 and water flowing face 142, and with cooling section 144 in succession and lead to an entry section 145 and a water exit end 146 of this water flowing face 142.And have two introducing roads 134,135 on this diversion seat 13; And two drawn 136,137; Wherein introducing 134 is engaged on the entry section 145 of the single hop cooling duct 143 that is provided with at interval on the mould 14; Another is introduced road 135 and is connected on the entry section 145 of organizing the cooling duct 143 that is provided with at interval separately, and two draw the water exit end 146 on 136,137 cooling ducts 143 that are communicated with respectively on the mould 14 separately.

Mould 1 was in design in the past; Though can borrow and be located at the single hop cooling duct 143 on the mould 14 and be located at introducing road 134,135 on the diversion seat 13, draw 136,137; Reach the purpose of cooling die 1 temperature; But single hop cooling duct 143 is in design, actual cooling section 144 with cooling effect be the position at grade, this plane and just in time between the centre of forming surface 141 and water flowing face 142.

Above-mentioned cooling section 144 is owing to all have a segment distance from forming surface 141 and water flowing face 142, and therefore the effect of actual cooling is unequal.

That is to say; In the time of in shaping dope injects die cavity 12; The high temperature of shaping dope can act on the forming surface 141, and conducts toward the direction of water flowing face 142, and at this time 141 of cooling section 145 and forming surface have one section long distance; The effect of cooling can't act on forming surface 141 fast, causes 142 in forming surface 141 and water flowing face that tangible temperature difference is arranged.

The said temperature difference causes the distortion of mould 14 trace easily; And when mould 14 micro-deformations, can have influence on the precision of machining object processing, aforementioned machining accuracy is not good to have very big influence for high-tech industry; Therefore; How improving the cooling system of mould 1, make more samming of mould 1, is to treat improved problem in mould 1 design in the past.

The utility model content

The purpose of the utility model is that a kind of preferred temperature uniformity that has is being provided, to improve the mould of article shaped machining accuracy.

The mould of the utility model comprises two and connects or the separate modules unit; An and die cavity that defines by these modular units; Each modular unit has: pedestal, be installed in the diversion seat on the pedestal, and be combined on the diversion seat and towards the mould of die cavity, wherein this mould has separately and towards the forming surface of die cavity; And the water flowing face that reclines with the diversion seat, and this diversion seat has the introducing road that can mould introduced or drawn to cooling water and draws.

The utility model is characterised in that: this mould is provided with the two section cooling ducts of many positions between forming surface and water flowing face; Each two section cooling duct all comprises: two cooling sections, be connected two cooling sections the linking section, be communicated with a cooling section wherein and introduce the entry section in road; And a water exit end that is communicated with another cooling section and draws, wherein two cooling sections are respectively near the forming surface or the water flowing face of mould.

Also be provided with many single hop cooling ducts on this mould; Each single hop cooling duct all comprises: a cooling section, connection are introduced one of road and cooling section and are gone into water channel; And connection is drawn and a water outlet of cooling section, and the cooling section on above-mentioned cooling section and the two section cooling ducts is the setting that is perpendicular to one another.And the cooling section on this single hop cooling duct is between two cooling sections of two pass cooling duct.

Description of drawings

Be elaborated through most preferred embodiment and accompanying drawing mould below to the utility model, in the accompanying drawing:

Fig. 1 is a kind of combination top plan view of existing mould;

Fig. 2 is a stereogram, shows the design of single hop cooling duct on the mould of this existing mold;

Fig. 3 is a combination top plan view, and the structure of a preferred embodiment of the utility model mould is described;

Fig. 4 is not complete sketch of facing, and shows the relation that is provided with of the cooling system of this preferred embodiment;

Fig. 5 is not complete stereogram, shows the design of two pairs of section cooling ducts on the mould of this preferred embodiment;

Fig. 6 is not complete stereogram, shows the design of two single hop cooling ducts of this preferred embodiment;

Fig. 7 is not complete combined side cutaway view, shows two section cooling ducts of this preferred embodiment and the corresponding relation between the diversion seat.

The specific embodiment

Consult Fig. 3,4; The mould of the utility model also comprises: first modular unit 2, second modular unit 2 ' that can connect or separate; And the die cavity 3 that defines by two modular units 2,2 ', wherein first modular unit 2 is commonly called master mold, and second modular unit 2 ' is commonly called male model; Each modular unit 2,2 ' all has: pedestal 4, diversion seat 5, and be installed in the mould 6 on the diversion seat 5.

Wherein have separately front face 51, rear surface 52 on this diversion seat 5, and the left surface 53 and the right flank 54 that are attached at 51,52 of two walls, on this front face 51, be arranged with the installation portion 511 that a shape, size and mould 6 cooperate.And this mould 6 has parallel forming surface 61 and water flowing face 62 separately, and wherein forming surface 61 is towards die cavity 3, and water flowing face 62 reclines with installation portion 511 closely.

Consult Fig. 4,5; The utility model is in order to promote the uniformity of mould 6 temperature; On mould 6, be provided with: many directly lay respectively at second pair of section cooling duct 64 of 63 of two adjacent first pair of section cooling ducts, the first single hop cooling duct 65 of many horizontally sets to the first pair of section cooling duct 63 that is provided with, many, and many positions are at the second single hop cooling duct 66 of 65 of the two adjacent first single hop cooling ducts.

These first pair of section cooling duct 63 all comprises:

From water flowing face 62 toward the horizontally disposed entry section 631, of forming surface 61 upright and with in succession first cooling section 632 of entry section 631, one parallel with entry section 631 and and first cooling section 632 linking section 633, in succession is upright and and be connected section 633 second cooling section 634 in succession; And with second cooling section 634 in succession and lead to the water exit end 635 of water flowing face 62; Wherein these cooling sections 632,634 are that upright front and back laterally arrange and between forming surface 61 and water flowing face 62, and these entry sections 631, are connected that section 633 and water exit end 635 are parallel to each other but highly different.

The structure of second pair of section cooling duct 64 of the utility model is identical with first pair of section cooling duct 63; Comprise: the entry section 641 of position on same vertical surface, first cooling section 642, be connected section 643, second cooling section 644; And water exit end 645; But 643 of the linking sections of this pair section second cooling duct 64 are up, and this entry section 641 and water exit end 645 all the position below.

Consult Fig. 4,6; The first single hop cooling duct 65 of the utility model is that the horizontal interval is provided with; Each first single hop cooling duct 65 all has horizontal the 3rd cooling section 651; And the entry section 652 and the water exit end 653 that are provided with at interval and communicate with the 3rd cooling section 651, the position that above-mentioned the 3rd cooling section 651 is provided with is the position 634,644 of first cooling section 632,642 and second cooling sections.And the structure of these second single hop cooling ducts 66 is identical with the first single hop cooling duct 65, has one the 3rd cooling section 661, an entry section 662 and a water exit end 663, and both difference are to stagger about the position that is provided with is, below no longer explanation.

That is to say; By mould 6 viewed; Each cooling section of the utility model the design on all between forming surface 61 and water flowing face 62; The mode of arranging is: forming surface 61 one the first cooling sections 632,642 1 3rd cooling sections 651,661 one the second cooling section 634, the 644 1 water flowing faces 62 have identical distance between the two.

Consult Fig. 2,4,7; This diversion seat 5 is in order to cooperate the design of each cooling duct 63,64,65,66 on the mould 6; Have that two horizontal introducing roads 55, two are horizontal draws 56, two and directly introduce roads 57 and two and directly draw 58; What wherein these horizontal introducing roads 55 were communicated with first pair of section cooling duct 63 respectively goes into water channel 631; And two sections second cooling tubes 64 go into water channel 641, and these horizontal draw 56 be communicated with first pair of section cooling duct 63 respectively water outlet 635, and the water outlet 645 of each second pair of section cooling duct 64; Directly introduce 57 and directly draw 58, be communicated with the entry section 652,661 and the water exit end 653,663 of first and second single hop cooling duct 65,66 respectively for two groups with the person was identical in the past.

When cooling water was introduced road 55,57 and got into moulds 6 by each, the cooling water in wherein horizontal introducing road 55 can be through the two-part cooling section 632,634,642,644 of two section cooling ducts 63,64, horizontally drew 56 and flowed out by two again.

And after the straight cooling water of introducing road 57 entering is the cooling section 651,661 via single hop cooling duct 65,66; Flow out by directly drawing 58; Because each cooling section is three differences but on the at interval identical plane, therefore the cooling effect of whole mould 6 can be more even, to prevent that high-temperature molding liquid is after pouring into die cavity 3; The forming surface 61 of this mould 6 produces the excessive temperature difference with water flowing face 62, causes mould 6 distortion.

Can know that by above explanation the aforementioned Design of Cooling System of the utility model not only is not shown in existing mould; This design more can make the heat conduction of mould 6 more even; To prevent mould 6 improper distortion, when mould 6 is not yielding, the moulding article of its moulding also will have preferable precision.

That is to say that the improvement of the utility model previous constructions is not only novel, have more the heat conduction evenly and effect such as moulding article precision is good.

Claims (3)

1. mould; Comprise: two can connect or the separate modules unit; And the die cavity that defines by these modular units; Each modular unit all has: pedestal, be installed in the diversion seat on the pedestal; And be combined on the diversion seat and towards the mould of die cavity, wherein this mould has separately and towards the forming surface of die cavity, and the water flowing face that reclines with the diversion seat; Can cooling water introduced or drawn the introducing road of mould and draw and have on this diversion seat: it is characterized in that: this mould be provided with the two section cooling ducts of many positions between forming surface and water flowing face; Each two section cooling duct comprises: two cooling sections, be connected two cooling sections the linking section, be communicated with a cooling section wherein and introduce the entry section in road, an and water exit end that is communicated with another cooling section and draws, wherein two cooling sections are respectively near the forming surface or the water flowing face of mould.

2. mould as claimed in claim 1; It is characterized in that: also be provided with many single hop cooling ducts on this mould; Each single hop cooling duct all comprises: a cooling section, connection are introduced one of road and cooling section and are gone into water channel; And connection is drawn and a water outlet of cooling section, and the cooling section on above-mentioned cooling section and the two section cooling ducts is the setting that is perpendicular to one another.

3. mould as claimed in claim 2 is characterized in that: the cooling section on this single hop cooling duct is between two cooling sections of two pass cooling duct.

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