CN210547995U

CN210547995U - Prevent uncovered zinc alloy die casting die that warp

Info

Publication number: CN210547995U
Application number: CN201921626014.9U
Authority: CN
Inventors: 柳咏枝
Original assignee: Xiamen Fuyuanda Technology Co Ltd
Current assignee: Xiamen Fuyuanda Technology Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-19
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a prevent uncovered zinc alloy die casting die that warp, including the last mould and the lower mould of mutually supporting, go up the mould and enclose when the lower mould compound die cooperates and establish the product die cavity that is formed with ability shaping open structure zinc alloy product, set up the false piece shaping groove of support that communicates the product die cavity on the fitting surface of last mould and/or lower mould, through the cooperation of supporting false piece shaping groove and product die cavity, make to be connected with a support false piece between the uncovered portion two arms of the open structure zinc alloy product after the shaping. The utility model discloses a be formed with the false piece of support of an organic whole connection between the uncovered portion two arms of open structure zinc alloy product, taking out and natural cooling's in-process in the mould with open structure zinc alloy product, owing to support the supporting role of false piece, will improve the problem that the uncovered portion of open structure zinc alloy product warp greatly, prevent that uncovered portion from taking place to warp, guarantee its dimensional tolerance, improved the machining precision and the die-casting operating efficiency of product.

Description

Prevent uncovered zinc alloy die casting die that warp

Technical Field

The utility model relates to a zinc alloy die casting die technical field, concretely relates to prevent uncovered zinc alloy die casting die who warp.

Background

In the process of producing the open structure zinc alloy product through the existing zinc alloy die-casting die, usually, molten zinc alloy solution is injected into a product cavity in the die from a sprue gate, then the zinc alloy solution is heated and pressurized in the product cavity and then is cooled and formed, but in consideration of high-efficiency continuous production, the product is usually not taken out until the product is completely cooled, so that the open structure zinc alloy product with residual heat is deformed due to the solution caused by expansion with heat and contraction with cold in the cooling process, and the dimensional tolerance of the open part is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a prevent uncovered zinc alloy die casting die who warp, it mainly solves be that uncovered structure zinc alloy product is easy yielding, uncovered dimensional tolerance is difficult to guarantee technical problem such as utensil when heating pressure forming in current zinc alloy die casting die.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a prevent zinc alloy die casting die of uncovered deformation, including the last mould and the lower mould of mutually supporting, go up the mould and enclose when the lower mould compound die is cooperated and establish the product die cavity that is formed with the zinc alloy product of ability shaping open structure, set up the false piece shaping groove of support that communicates the product die cavity on the fitting surface of last mould and/or lower mould, through the cooperation of supporting false piece shaping groove and product die cavity, make to be connected with one between the two arms of uncovered portion of the uncovered structure zinc alloy product after the shaping and prevent the false piece of support that uncovered portion warp.

Furthermore, an upper die concave cavity is arranged in the upper die, a lower die concave cavity is arranged in the lower die, and when the upper die and the lower die are closed, the upper die concave cavity and the lower die concave cavity are matched to enclose a product cavity.

Further, the fitting surface of going up the mould is the planishing face, and the lower mould cavity has main part shaping portion and uncovered shaping portion, has seted up on the fitting surface of lower mould and has supported false piece profiled groove, and the both ends that support false piece profiled groove communicate the left and right sides of uncovered shaping portion respectively.

Furthermore, the false piece molding groove of support includes portion and the intercommunication portion of catchmenting, and the portion both ends of catchmenting are linked together with the left and right sides of uncovered shaping portion through a intercommunication portion respectively.

Further, the communicating portion is provided to be inclined inward in a direction away from the main body forming portion so that the molten zinc alloy can better flow into the supporting dummy forming groove.

Further, the sunken degree of depth of intercommunication portion is less than the sunken degree of depth of uncovered shaping portion and makes the uncovered structure zinc alloy product after the shaping of being convenient for get rid of the false piece of support through die-cut.

Further, the depth of the recess of the collecting portion is slightly larger than the depth of the recess of the communicating portion.

Furthermore, an air overflow groove communicated with the collecting part is also formed on the matching surface of the lower die.

Furthermore, two product cavities are formed in a surrounding mode when the upper die and the lower die are matched in a matched mode.

Prevent uncovered zinc alloy die casting die that warp, have following advantage:

through supporting the cooperation of dummy member shaping groove and product die cavity, make and be formed with the support dummy member of an organic whole connection between two arms of the uncovered portion of uncovered structure zinc alloy product after the shaping in producing the product die cavity, this support dummy member has certain rigidity and intensity, take out and natural cooling's in-process in following the mould with uncovered structure zinc alloy product, because the supporting role of the dummy member of support between the uncovered portion two arms of uncovered structure zinc alloy product, will improve the problem that the uncovered portion of uncovered structure zinc alloy product warp greatly, prevent that uncovered portion from taking place to warp, guarantee its dimensional tolerance, the machining precision and the die-casting operating efficiency of product have been improved.

Drawings

Fig. 1 is a schematic perspective view of an upper die and a lower die of an embodiment of the present invention when the upper die and the lower die are assembled.

Fig. 2 is a schematic view of direction a in fig. 1.

Fig. 3 is a sectional view B-B of fig. 2.

Fig. 4 is a partially enlarged view of fig. 3 at C.

Fig. 5 is a schematic perspective view of the upper mold and the lower mold according to the embodiment of the present invention.

Fig. 6 is a schematic structural view of an upper die according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a lower die according to an embodiment of the present invention.

Fig. 8 is a schematic three-dimensional structure diagram of an open-structure zinc alloy product according to an embodiment of the present invention.

Description of reference numerals:

1. the zinc alloy product comprises an upper die, a lower die, a zinc alloy product with an open structure, 11, an upper die cavity, 21, a lower die cavity, 22, a supporting dummy piece forming groove, 23, an air overflow groove, 31, an open part, 211, a main body forming part, 212, an open forming part, 221, a collecting part, 222 and a communicating part.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1 to 8, in this embodiment, an open deformation preventing zinc alloy die casting mold includes an upper mold 1 and a lower mold 2, which are matched with each other, a product cavity capable of forming an open structure zinc alloy product 3 is defined when the upper mold 1 and the lower mold 2 are matched, a supporting dummy molding groove 22 communicated with the product cavity is formed on the matching surface of the upper mold 1 and/or the lower mold 2, and a supporting dummy (not shown) capable of preventing the open portion 31 from deforming is connected between two arms of the open portion 31 of the formed open structure zinc alloy product 3 through the matching of the supporting dummy molding groove 22 and the product cavity. In this embodiment, an integrally connected supporting dummy member (not shown) is formed between two arms of the open portion 31 of the open structure zinc alloy product 3 formed in the product cavity by the matching of the supporting dummy member forming groove 22 and the product cavity, and the supporting dummy member has certain rigidity and strength, so that in the process of taking out the open structure zinc alloy product 3 from the mold and naturally cooling, due to the supporting function of the supporting dummy member (not shown) between the two arms of the open portion 31 of the open structure zinc alloy product 3, the problem of deformation of the open portion 31 of the open structure zinc alloy product 3 is greatly improved, the open portion 31 is prevented from deformation, the dimensional tolerance is ensured, and the processing precision and the die casting operation efficiency of the product are improved. And after the open structure zinc alloy product 3 is completely cooled, the supporting dummy connected between the two arms of the open part 31 can be completely cut off through a punching process without influencing the normal use and quality of the open structure zinc alloy product 3.

Referring to fig. 1 to 7, in the present embodiment, preferably, an upper mold cavity 11 is formed in the upper mold 1, a lower mold cavity 21 is formed in the lower mold 2, and when the upper mold 1 and the lower mold 2 are closed, the upper mold cavity 11 and the lower mold cavity 21 cooperate to define a product cavity. In this embodiment, the matching surface of the upper die 1 is a flat surface, the lower die cavity 21 has a main body forming portion 211 and an opening forming portion 212, a supporting dummy piece forming groove 22 is formed on the matching surface of the lower die 2, and two ends of the supporting dummy piece forming groove 22 are respectively communicated with the left side and the right side of the opening forming portion 212. However, it will be appreciated by those skilled in the art that in other embodiments, the mating surface of the lower die 2 may be designed as a flat surface and then the support dummy molding groove 22 may be provided on the mating surface of the upper die 1. Even the matching surfaces of the upper die 1 and the lower die 2 can be provided with the supporting dummy part forming grooves 22 which are matched with each other, so long as a certain support can be formed between the two arms of the opening part 31, and the supporting dummy part can be conveniently removed through punching in the following process.

Referring to fig. 5 and 7, in the present embodiment, preferably, the dummy support molding groove 22 includes a collecting portion 221 and a communicating portion 222, and two ends of the collecting portion 221 are respectively communicated with the left and right sides of the open molding portion 212 through the communicating portion 222. Preferably, the communication portion 222 is provided to be inclined inward in a direction away from the main body molding portion 211 so that the molten zinc alloy can better flow into the supporting dummy molding groove 22.

Referring to fig. 4, 5 and 7, in the present embodiment, the recessed depth of the communicating portion 222 is smaller than that of the open forming portion 212, so that the formed open structure zinc alloy product 3 can be removed by punching. The depth of the recess of the collecting portion 221 is slightly greater than the depth of the recess of the communication portion 222, so that the molten zinc alloy can more quickly flow into the collecting portion 221 through the communication portion 222.

Referring to fig. 7, in the present embodiment, preferably, the mating surface of the lower mold 2 is further provided with an air overflow groove 23 communicating with the collecting portion 221.

Referring to fig. 5 to 7, in the present embodiment, two product cavities are preferably formed around the upper mold 1 and the lower mold 2 when the upper mold and the lower mold are matched.

The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; these modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and therefore, all other embodiments obtained by those skilled in the art without any creative effort fall within the protection scope of the present invention.

Claims

1. The utility model provides a prevent zinc alloy die casting die of uncovered deformation, includes last mould (1) and lower mould (2) of mutually supporting, encloses when going up mould (1) and lower mould (2) compound die cooperation and establishes the product die cavity that is formed with can the open structure zinc alloy product of shaping (3), its characterized in that: a supporting dummy piece forming groove (22) communicated with a product cavity is formed in the matching surface of the upper die (1) and/or the lower die (2), and a supporting dummy piece capable of preventing the deformation of the opening part (31) is connected between two arms of the opening part (31) of the formed zinc alloy product (3) with the open structure through the matching of the supporting dummy piece forming groove (22) and the product cavity.

2. The open deformation preventing zinc alloy die-casting die as claimed in claim 1, wherein: the mould is characterized in that an upper mould cavity (11) is formed in the upper mould (1), a lower mould cavity (21) is formed in the lower mould (2), and when the upper mould (1) and the lower mould (2) are closed, the upper mould cavity (11) and the lower mould cavity (21) are matched to enclose a product cavity.

3. The open deformation preventing zinc alloy die-casting die as claimed in claim 2, wherein: the fitting surface of going up mould (1) is the planishing face, and lower mould cavity (21) have main part shaping portion (211) and uncovered shaping portion (212), has seted up on the fitting surface of lower mould (2) and has supported dummy member shaping groove (22), and the both ends that support dummy member shaping groove (22) communicate the left and right sides of uncovered shaping portion (212) respectively.

4. The open deformation preventing zinc alloy die-casting die as claimed in claim 3, wherein: the supporting dummy piece forming groove (22) comprises a collecting part (221) and a communicating part (222), and two ends of the collecting part (221) are respectively communicated with the left side and the right side of the open forming part (212) through the communicating part (222).

5. The open deformation preventing zinc alloy die-casting die as claimed in claim 4, wherein: the communicating portion (222) is inclined inward in a direction away from the main body forming portion (211) so that the molten zinc alloy can better flow into the support dummy forming groove (22).

6. The open deformation preventing zinc alloy die-casting die as claimed in claim 5, wherein: the sunken depth of the communicating part (222) is smaller than that of the open forming part (212), so that the formed open structure zinc alloy product (3) can be conveniently removed through punching.

7. The open deformation preventing zinc alloy die-casting die as claimed in claim 6, wherein: the depth of the recess of the collecting portion (221) is slightly larger than the depth of the recess of the communicating portion (222).

8. The open deformation preventing zinc alloy die-casting die as claimed in claim 7, wherein: and the matching surface of the lower die (2) is also provided with an air overflow groove (23) communicated with the collecting part (221).

9. The open deformation preventing zinc alloy die-casting mold as claimed in any one of claims 1 to 8, wherein: two product cavities are formed by enclosing the upper die (1) and the lower die (2) when the upper die and the lower die are matched in a matched mode.