CN218015714U - Multi-cavity die-casting forming die - Google Patents

Abstract

The utility model relates to a die casting die technical field discloses a multicavity die-casting forming die, including movable mould and cover half, the fixed first multicavity one-tenth die cavity that is provided with of preceding terminal surface of movable mould, the fixed second multicavity one-tenth die cavity that is provided with of up end of cover half, the preceding terminal surface of movable mould is close to the sealed encirclement of the peripheral fixedly connected with in first multicavity one-tenth die cavity, the movable mould comprises first half module and second half module, the fixed two second reference columns that are provided with in one side of first half module, two second constant head tanks have been seted up to one side of second half module. The utility model provides a multicavity die-casting forming die, the leakproofness is stronger, because of the not enough burr that produces of leakproofness when can reducing work piece die-casting shaping, the movable mould that sets up simultaneously is the concatenation formula structure, can separate after the die-casting is accomplished, and the atress of work piece is more even during the drawing of patterns, work piece non-deformable.

Description

Multi-cavity die-casting forming die

Technical Field

The utility model relates to a die casting die technical field especially relates to a multicavity die-casting forming die.

Background

Die casting is a metal casting process and is characterized in that high pressure is applied to molten metal by utilizing an inner cavity of a die casting die, and the die casting die is usually processed by using alloy with higher strength.

In the prior art, general die casting die all simply fixes when using, and such mode makes its leakproofness very poor when using, the possibility of leakage can appear when using for a long time, and general die casting die is when using, its inner space is under high temperature environment, the interface that can appear between the mould appears by the jack-up because highly compressed reason appears, and make the work piece of production have a lot of defects or deckle edge, influence the quality of product, add at some widget work pieces simultaneously, will adopt chamber die-casting forming die to carry out die-casting, thereby a plurality of work pieces of one shot forming, the efficiency is improved, but when this kind of processing mode demolds, if use the ejector pin to demold, interconnect's work piece atress is inhomogeneous, easily lead to the work piece to warp.

Accordingly, a multi-cavity die-casting mold is provided by those skilled in the art to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the multicavity die-casting forming die that proposes, this mould leakproofness is stronger when using, because of the not enough burr that produces of leakproofness when can reducing work piece die-casting, and the movable mould that sets up simultaneously can separate after the die-casting is accomplished for concatenation formula structure, and the atress of work piece is more even during the drawing of patterns, work piece non-deformable.

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

a multi-cavity die-casting forming die comprises a movable die and a fixed die, wherein a first multi-cavity forming cavity is fixedly arranged on the front end face of the movable die, a second multi-cavity forming cavity is fixedly arranged on the upper end face of the fixed die, and the front end face of the movable die is fixedly connected with the periphery of the first multi-cavity forming cavity in a sealing surrounding mode;

the movable mold consists of a first half mold and a second half mold, wherein two second positioning columns are fixedly arranged on one side of the first half mold, and two second positioning grooves are formed in one side of the second half mold;

through above-mentioned technical scheme, sealed encirclement can with seal groove zonulae occludens, can enough play the effect that accurate location made cover half and the complete laminating of movable mould, can also the leakproofness of this mould of effectual improvement, because of the not enough burr that produces of leakproofness when reducing work piece die-casting shaping, the movable mould of concatenation formula structure can be convenient for carry out the drawing of patterns with movable mould and work piece, prevents that work piece and shaping chamber from bonding, leads to the work piece to warp during the ejector pin drawing of patterns.

Furthermore, a plurality of ejector rods penetrate through the inside of the movable mold, and the rear ends of the ejector rods are fixedly connected with a bottom plate together;

through the technical scheme, the bottom plate is pushed by the hydraulic device to drive the ejector rod to eject, and a formed workpiece is ejected to be demoulded.

Furthermore, the rear end face of the fixed die is fixedly connected with a pressure chamber, and the front end of the pressure chamber extends into the fixed die and is communicated with the second multi-cavity forming cavity;

through the technical scheme, the liquid metal is extruded into the forming cavity for forming through the pressure of the injection punch head in the pressure chamber.

Furthermore, a filling port is fixedly arranged at the rear end of the pressure chamber;

through above-mentioned technical scheme, liquid metal pours into the pressure chamber into by the sprue.

Furthermore, a plurality of first positioning grooves are formed in the front end surface of the movable die close to the periphery, and a plurality of first positioning columns are fixedly connected to the front end surface of the fixed die close to the periphery;

through above-mentioned technical scheme, set up first positioning groove and first reference column and be used for playing the effect that accurate location made cover half and movable mould complete laminating.

Furthermore, the positions of the first positioning grooves and the first positioning columns are in one-to-one correspondence;

through above-mentioned technical scheme, the first constant head tank that corresponds and first reference column can mutually support, and positioning effect is strong.

Further, the shape of the sealing enclosure and the sealing groove are matched;

through the technical scheme, the mutually matched sealing enclosure and the sealing groove are strong in tightness after being connected

Further, the movable die and the fixed die are both made of zinc alloy;

through the technical scheme, the movable die and the fixed die which are made of the zinc alloy have high strength and long service life.

The utility model discloses following beneficial effect has:

1. the utility model provides a multicavity die-casting forming die, this mould are when using, through setting up sealed encirclement and seal groove, when cover half and movable mould cooperate, sealed encirclement can closely combine with the seal groove, can enough play the effect that accurate location made the cover half and the complete laminating of movable mould, can also the leakproofness of this mould of effectual improvement, because of the not enough burr that produces of leakproofness when reducing work piece die-casting shaping.

2. The utility model provides a multicavity die-casting forming die, this mould are when using, and the movable mould of setting is the concatenation formula structure, closely cooperates together through hydraulic pressure structure when carrying out die-casting, separates after the die-casting is accomplished, and this kind of structure can be convenient for carry out the drawing of patterns with movable mould and work piece, and the atress of work piece is more even during the drawing of patterns, can prevent that work piece and shaping chamber from bonding, leads to the work piece to warp when only drawing of patterns through the ejector pin.

3. The utility model provides a multicavity die-casting forming die, movable mould structure that can separate for this mould is after the die-casting is accomplished, and the movable mould can expand, and the cooling area of movable mould is bigger when carrying out water spray cooling, and cooling speed is faster, and efficiency is higher, can shorten the time interval of next die-casting, thereby improves production efficiency.

Drawings

Fig. 1 is a front view of a multi-cavity die-casting mold according to the present invention;

fig. 2 is a schematic side sectional structure view of a multi-cavity die-casting mold provided by the present invention;

fig. 3 is a schematic perspective view of a movable mold of a multi-cavity die-casting mold according to the present invention;

fig. 4 is an expanded structure schematic diagram of a movable mold of the multi-cavity die-casting mold according to the present invention.

Illustration of the drawings:

1. moving the mold; 2. fixing a mold; 3. sealing and surrounding; 4. a first positioning post; 5. a pressure chamber; 6. a material injection port; 7. a base plate; 8. a top rod; 9. a first multi-cavity forming cavity; 10. a first positioning groove; 11. a sealing groove; 12. a second multi-cavity forming cavity; 13. a first mold half; 14. a second mold half; 15. a second positioning column; 16. a second positioning groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a multicavity die-casting forming die, includes movable mould 1 and cover half 2, and the fixed first multicavity molding cavity 9 that is provided with of preceding terminal surface of movable mould 1, the fixed second multicavity molding cavity 12 that is provided with of up end of cover half 2, the preceding terminal surface of movable mould 1 is close to the sealed 3 that surrounds of the peripheral fixedly connected with of first multicavity molding cavity 9 department.

The movable mold 1 is composed of a first mold half 13 and a second mold half 14, two second positioning columns 15 are fixedly arranged on one side of the first mold half 13, and two second positioning grooves 16 are formed in one side of the second mold half 14.

The inside of movable mould 1 runs through there are a plurality of ejector pins 8, the equal common fixedly connected with bottom plate 7 in the rear end of a plurality of ejector pins 8, thereby it is ejecting to promote bottom plate 7 through hydraulic means, ejecting fashioned work piece, carry out the drawing of patterns, the rear end face fixedly connected with of cover half 2 presses the room 5, the front end that presses the room 5 stretches into the cover half 2 inside and communicates with second multicavity shaping chamber 12, liquid metal is extruded the shaping intracavity shaping through the pressure of injection drift in pressing the room 5, the rear end of cover half 5 is fixed with feed inlet 6, liquid metal pours into the room 5 by feed inlet 6, the front end face of movable mould 1 is close to periphery and has seted up a plurality of first positioning grooves 10, the front end face of cover half 2 is close to periphery fixedly connected with a plurality of first positioning posts 4, set up first positioning groove 10 and first positioning post 4 and be used for playing accurate location and making the effect that cover half 2 and movable mould 1 are complete to laminate, the position one-to-one of a plurality of first positioning grooves 10 and first positioning post 4, corresponding first positioning groove 10 and first positioning post 4 can mutually support, the sealed seal the seal groove 3 and the sealed seal groove 11 that surrounds the cover half 2 and movable mould 1 mutually, the sealed seal groove is formed by the zinc alloy strong seal, the life-match, the life-to form by the zinc alloy 2, the sealed seal groove 11, the sealed seal groove 2 and the sealed seal groove, the life of the movable mould 1, the zinc alloy 1.

The working principle is as follows: this mould is when using, movable mould 1 and cover half 2 back of mutually supporting, the sealed 3 and seal groove 11 of enclosing that sets up mutually support, the first reference column 4 and the first reference groove 10 joint of mutually supporting that sets up, thereby play the effect that accurate location made cover half 2 and movable mould 1 complete laminating, make first multicavity shaping chamber 9 and second multicavity shaping chamber 12 form a complete shaping chamber, later pour into liquid metal into by sprue 6, liquid metal is through the pressure of injection drift extruded shaping intracavity shaping in pressing the room 5, the sealed 3 and seal groove 11 of enclosing of mutually supporting simultaneously, can effectually improve the leakproofness of this mould, because of the not enough burr that produces of leakproofness when reducing the work piece die-casting shaping, after the die-casting is accomplished, hydraulic pressure mechanism can push, separate first half 13 and second half 14 of movable mould 1, thereby break away from the work piece and shaping chamber from the branch, the even non-deformable of atress when the work piece breaks away from, ejector pin 8 simultaneously, thereby demould fast.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (8)

1. The utility model provides a multicavity die-casting forming die, includes movable mould (1) and cover half (2), its characterized in that: a first multi-cavity forming cavity (9) is fixedly arranged on the front end face of the movable mold (1), a second multi-cavity forming cavity (12) is fixedly arranged on the upper end face of the fixed mold (2), and a sealing enclosure (3) is fixedly connected to the periphery of the front end face of the movable mold (1) close to the first multi-cavity forming cavity (9);

the movable mold (1) consists of a first half mold (13) and a second half mold (14), two second positioning columns (15) are fixedly arranged on one side of the first half mold (13), and two second positioning grooves (16) are formed in one side of the second half mold (14).

2. A multi-cavity die-casting mold according to claim 1, wherein: a plurality of ejector rods (8) penetrate through the inside of the movable die (1), and the rear ends of the ejector rods (8) are fixedly connected with a bottom plate (7) together.

3. A multi-cavity die-casting mold according to claim 1, wherein: the rear end face of the fixed die (2) is fixedly connected with a pressure chamber (5), and the front end of the pressure chamber (5) extends into the fixed die (2) and is communicated with the second multi-cavity forming cavity (12).

4. A multi-cavity die-casting mold according to claim 3, wherein: and the rear end of the pressure chamber (5) is fixedly provided with an injection port (6).

5. A multi-cavity die-casting mold according to claim 1, wherein: the front end face of the moving die (1) is provided with a plurality of first positioning grooves (10) close to the periphery, and the front end face of the fixed die (2) is fixedly connected with a plurality of first positioning columns (4) close to the periphery.

6. A multi-cavity die-casting mold according to claim 5, wherein: the positions of the first positioning grooves (10) and the positions of the first positioning columns (4) are in one-to-one correspondence.

7. A multi-cavity die-casting mold according to claim 1, wherein: the sealing enclosure (3) and the sealing groove (11) are matched in shape.

8. A multi-cavity die-casting mold according to claim 1, wherein: the movable mold (1) and the fixed mold (2) are both made of zinc alloy.

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