CN218574928U - One-die two-piece type curved handle door handle die core structure - Google Patents

Abstract

The utility model provides a two formula curved surface handle door handle mold core structures in a mould, respectively be equipped with a pair of handle chamber that corresponds mutually on public mould and the master model, the handle chamber includes handle chamber and pivot chamber, a pair of handle chamber is central symmetry setting for the axis at runner trepanning place, a pair of handle chamber transversely sets up, a pair of pivot chamber is kept away from the setting mutually. The injection material is injected from the sprue bush and is distributed to the handle cavity from the sprue bush hole until the handle cavity is filled. The horizontal central symmetry in handle chamber sets up, promptly a die joint setting of a mould two-piece formula curved surface handle door handle mold core structure suits with the curved surface in handle chamber that central symmetry set up on the die joint of public mould and master model, and overall structure is reasonable, and space utilization is reasonable to the technology is fit for strong, promotes the yields of handle.

Description

One-die two-piece type curved handle door handle die core structure

Technical Field

The utility model relates to an advanced manufacturing and automation field, concretely relates to a two formula curved surface handle door handle mold core structures of a mould.

Background

Chinese utility model patent publication No. CN208743654U discloses a die casting die for door handles, and the cast product of this die is a curved surface handle door handle as shown in fig. 1, and its parting surface is designed on the curved surface of the door handle curved surface handle broadside, resulting in a parting line formed integrally on the curved surface on the product, thereby affecting the beauty of the product and easily producing defective products.

A two formula curved surface handle door handle mold core structures of a mould need cast handle 8 as shown in fig. 2, including handle portion 81 and axial region 82, be equipped with lockhole 83 on the axial region.

Because the handle part of the handle is a curved surface, the handle is attached to the left hand or the right hand of a person. The design of a cavity in the design of a mold core of the mold usually adopts arrangement or mirror image arrangement, if the arrangement is adopted, the integral symmetry of a formed casting is poor, and the ejector pin is inclined when ejecting the formed casting, so that the mold is not easy to demould; if a mirror image arrangement is used, the handle portions would be curved in the opposite sense, i.e., a left-right curved handle grip would be produced.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of above-mentioned prior art, the utility model provides a two formula curved surface handle door handle mold core structures of a mould, die joint reasonable in design, the space utilization is reasonable to technology adaptability is strong, promotes handle 8's yields.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a one-die two-piece curved-surface doorknob mold core structure, comprising: the mold comprises a male mold and a female mold, wherein gate sleeve holes corresponding to each other are respectively formed in the male mold and the female mold, parting surfaces of the male mold and the female mold are adapted to each other, a pair of handle cavities corresponding to each other are respectively formed in the male mold and the female mold, each handle cavity comprises a handle cavity and a rotating shaft cavity, the handle cavities are arranged in a central symmetry mode relative to an axis where the gate sleeve holes are located, the handle cavities are transversely arranged, and the rotating shaft cavities are far away from each other.

In the device, the injection material is injected from the sprue bush and is distributed to the handle cavity from the sprue bush hole until the handle cavity is filled. The horizontal central symmetry in handle chamber sets up, promptly a die joint setting of a mould two-piece formula curved surface handle door handle mold core structure suits with the curved surface in handle chamber that central symmetry set up on the die joint of public mould and master model, and overall structure is reasonable, and space utilization is reasonable to the technology is fit for strong, promotes the yields of handle.

Furthermore, the one-die two-piece type curved handle door handle mold core structure is characterized in that the male die and the female die are provided with mutually corresponding runner cavities, and the runner cavities are communicated out of the sprue bush hole and symmetrically extend to the top ends of the pair of handle cavities. Namely, the injection material enters the runner cavity from the sprue bush and then enters the handle cavity from the top end of the handle cavity, and the runner cavity is symmetrically arranged relative to the axis of the sprue bush hole.

Furthermore, according to the one-die two-piece type curved handle door handle die core structure, a pair of first thimble holes is formed in a runner cavity of the female die. The first thimble holes are respectively arranged on the flow channel cavities which are symmetrically arranged, so that the stability of ejecting the formed casting is improved.

Furthermore, the one-die two-piece type curved handle door handle die core structure is characterized in that a pair of mutually corresponding lock hole die core cavities are respectively arranged on the side surfaces of the male die and the female die, and the lock hole die core cavities extend to be connected with the rotating shaft cavity. And the mold core is additionally arranged on the side surface of the mold, so that the lock hole of the handle is formed.

Furthermore, the one-mold two-piece type curved-surface handle door handle mold core structure is characterized in that a pair of first top plate cavities is arranged on the female mold, the first top plate cavities are arranged on the outer side of the rotating shaft cavity, the first top plate cavities are connected with one ends, close to the rotating shaft cavity, of the lock hole mold core cavities, and a pair of second top pin holes is formed in each of the pair of first top plate cavities.

Furthermore, the one-die two-piece type curved-surface handle door handle die core structure is characterized in that the female die is provided with a pair of second top plate cavities, the second top plate cavities are arranged on one sides, away from the first top plate cavities, of the rotating shaft cavities, the second top plate cavities are connected with one ends, close to the rotating shaft cavities, of the locking hole die core cavities, and the second top plate cavities are provided with third top pin holes.

Among the above-mentioned device, the shaping foundry goods corresponds the fashioned have a pair of first roof and a pair of second roof for the thimble is whole ejecting with the shaping foundry goods, avoids the handle portion of thimble direct contact shaping foundry goods, guarantees the quality of product promptly handle, has further guaranteed that the thimble is whole ejecting steadily with the shaping foundry goods, has promoted technological adaptability.

Furthermore, the one-die two-piece type curved handle door handle die core structure is characterized in that the male die and the female die are respectively provided with a group of water-cooling runners, and the water outlets and the water inlets of the water-cooling runners are respectively arranged on the four side walls of the male die and the female die.

Furthermore, the one-die two-piece type curved handle door handle mold core structure comprises a group of linear flow channels and a pair of F-shaped flow channels, wherein the linear flow channels penetrate through the long side walls of the male die and the female die, two transverse flow channels of the F-shaped flow channels penetrate through the short side walls of the male die and the female die, and a longitudinal flow channel perpendicular to the two transverse flow channels penetrates out of the long side walls. And 6 linear runners are arranged on the optimized male die, and 4 linear runners are arranged on the female die, so that the injected material is fully and uniformly cooled in the die cavity.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:

1. the utility model provides a two formula curved surface handle door handle mold core structures of a mould, the horizontal central symmetry in handle chamber sets up, promptly the die joint setting of a two formula curved surface handle door handle mold core structures of a mould is on handle portion lateral wall, and the s type curved surface that includes central symmetry on the die joint of public mould and master model suits with the curved surface in handle chamber that central symmetry set up, die joint reasonable in design, and space utilization is reasonable to technology adaptability is strong, promotes the yields of handle.

2. The utility model provides a two formula curved surface handle door handle mold core structures in a mould sets up first roof chamber and second roof chamber, and the shaping foundry goods corresponds the fashioned has a pair of first roof and a pair of second roof for the thimble is whole ejecting with the shaping foundry goods, avoids the handle portion of thimble direct contact shaping foundry goods, guarantees the product quality of handle promptly, has further guaranteed also that the thimble is whole steady ejecting with the shaping foundry goods, has promoted technological adaptability.

Drawings

FIG. 1 is a drawing of a door handle disclosed in the background of the invention under publication No. CN 208743654U;

fig. 2 is a schematic view of a three-dimensional structure of a handle cast by a mold core structure of a one-mold two-piece curved handle door handle of the present invention;

fig. 3 is a schematic three-dimensional structure diagram of a one-mold two-piece type curved handle bar mold core structure of the present invention;

fig. 4 is a schematic view of a water-cooling flow passage of a one-mold two-piece type curved-surface handle door handle mold core structure according to the present invention;

fig. 5 is a schematic view of a molded casting cast by a mold-core structure of a one-mold two-piece type curved handle door handle of the present invention.

In the figure: 1-male die; 2-a female die; 22-a first thimble hole; 23-a first ceiling cavity; 24-a second thimble hole; 25-a second ceiling cavity; 26-a third thimble hole; 3-pouring gate trepanning; 4-a handle cavity; 41-handle cavity; 42-a rotating shaft cavity; 5-a runner cavity; 61-a first top panel; 62-a second top panel; 7-lockhole type core cavity; 8-a handle; 81-a handle portion; 82-shaft portion; 83-keyhole; 9-water cooling flow channel; 91-a linear flow channel; 92-F type flow passage.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting 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", "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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The one-mold two-piece type curved-surface handle door handle mold core structure shown in fig. 3 and 4 comprises a male mold 1 and a female mold 2, wherein the male mold 1 and the female mold 2 are respectively provided with a sprue bush hole 3 corresponding to each other, parting surfaces of the male mold 1 and the female mold 2 are adapted to each other, the male mold 1 and the female mold 2 are respectively provided with a pair of handle cavities 4 corresponding to each other, the handle cavities 4 comprise handle cavities 41 and rotating shaft cavities 42, the pair of handle cavities 4 are arranged in central symmetry relative to an axis where the sprue bush hole 3 is located, the pair of handle cavities 41 are arranged transversely, and the pair of rotating shaft cavities 42 are arranged away from each other.

The male mold 1 and the female mold 2 are provided with runner cavities 5 corresponding to each other, and the runner cavities 5 are led out from the sprue bush hole 3 and symmetrically extend to the top ends of the pair of handle cavities 41. The runner cavity 5 of the female die 2 is provided with a pair of first thimble holes 22.

Wherein, the side surfaces of the male die 1 and the female die 2 are respectively provided with a pair of lock hole type core cavities 7 which correspond to each other, and the lock hole type core cavities 7 extend to be connected with the rotating shaft cavity 42.

And a pair of first top plate cavities 23 is arranged on the female die 2, the first top plate cavities 23 are arranged on the outer side of the rotating shaft cavity 42, the first top plate cavities 23 are connected with one ends, close to the rotating shaft cavity 42, of the locking hole type core cavities 7, and a pair of second top plate cavities 24 is arranged on each of the pair of first top plate cavities 23. In addition, a pair of second top plate cavities 25 is arranged on the female die 2, the second top plate cavities 25 are arranged on one sides, far away from the first top plate cavities 23, of the rotating shaft cavities 42, the second top plate cavities 25 are connected with one ends, close to the rotating shaft cavities 42, of the locking hole type core cavities 7, and third top plate cavities 26 are arranged on the second top plate cavities 25.

In addition, a group of water cooling channels 9 are respectively arranged on the male die 1 and the female die 2, and water outlets and water inlets of the water cooling channels 9 are respectively arranged on the four side walls of the male die 1 and the female die 2. And the water-cooling flow channel 9 comprises a group of straight flow channels 91 and a pair of F-shaped flow channels 92, the straight flow channels 91 penetrate through the long side walls of the male die 1 and the female die 2, two transverse flow channels of the F-shaped flow channels 92 penetrate through the short side walls of the male die 1 and the female die 2, and the longitudinal flow channels perpendicular to the two transverse flow channels penetrate through the long side walls. In this embodiment, the male mold 1 is provided with 6 linear runners 91, and the female mold 2 is provided with 4 linear runners 91.

Based on the structure, the injection material is injected from a sprue bush (not shown), is distributed to the runner cavity 5 from the sprue bush hole 3 and enters the handle cavity 4 from the top end of the handle cavity 41 until the handle cavity 4 is filled. The runner cavity 5 is symmetrically arranged relative to the axis of the gate sleeve hole 3, and the handle cavity 4 is transversely and centrally symmetrically arranged, namely, the parting surface of the one-die two-piece curved handle door handle mold core structure is arranged on the side wall of the handle part 81, and the parting surfaces of the male die 1 and the female die 2 comprise s-shaped curved surfaces which are centrosymmetrically arranged and are matched with the curved surfaces of the handle cavities 41 which are centrosymmetrically arranged. Further, by additionally providing a core on the side of the mold, the lock hole 83 of the handle 8 is molded as shown in fig. 1.

And, the first thimble holes 22 are respectively arranged on the symmetrically arranged runner cavities 5, so as to improve the stability of ejecting the formed casting. Further, a first ceiling chamber 23 and a second ceiling chamber 25 are provided, and as shown in fig. 5, the mold casting is correspondingly molded with a pair of first ceilings 61 and a pair of second ceilings 62. The ejector pin is used for ejecting the whole formed casting, the ejector pin is prevented from directly contacting the 8 part of the handle of the formed casting, the quality of the product, namely the 8 part of the handle, is guaranteed, the ejector pin is further guaranteed to eject the whole formed casting stably, and the technological adaptability is improved.

The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the invention and should not be interpreted as limiting the scope of the invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (8)

1. The utility model provides a two-piece formula curved surface handle door handle mold core structure of mould, includes public mould (1) and master model (2), respectively be equipped with runner trepanning (3) that correspond each other on public mould (1) and the master model (2), the die joint of public mould (1) and master model (2) adapts to each other, its characterized in that: the sprue structure is characterized in that a pair of handle cavities (4) which correspond to each other are respectively arranged on the male die (1) and the female die (2), each handle cavity (4) comprises a handle cavity (41) and a rotating shaft cavity (42), the pair of handle cavities (4) are arranged in central symmetry relative to an axis where the sprue sleeve hole (3) is located, the pair of handle cavities (41) are transversely arranged, and the pair of rotating shaft cavities (42) are arranged away from each other.

2. The one-die two-piece curved-surface doorknob mold core structure of claim 1, wherein: the male die (1) and the female die (2) are provided with runner cavities (5) which correspond to each other, and the runner cavities (5) are communicated out of the sprue bush hole (3) and symmetrically extend to the top ends of the pair of handle cavities (41).

3. The one-die two-piece curved-surface doorknob mold core structure of claim 2, wherein: the runner cavity (5) of the female die (2) is provided with a pair of first thimble holes (22).

4. The one-die two-piece curved-surface doorknob mold core structure according to any one of claims 1 to 3, wherein: the side surfaces of the male die (1) and the female die (2) are respectively provided with a pair of lock hole type core cavities (7) which correspond to each other, and the lock hole type core cavities (7) extend to be connected with the rotating shaft cavity (42).

5. The one-mold two-piece doorknob core structure of claim 4, wherein: the female die is characterized in that a pair of first top plate cavities (23) are formed in the female die (2), the first top plate cavities (23) are arranged on the outer side of the rotating shaft cavity (42), the first top plate cavities (23) are connected with one ends, close to the rotating shaft cavity (42), of the locking hole core cavities (7), and a pair of second top pin holes (24) are formed in each of the first top plate cavities (23).

6. The one-mold two-piece curved-surface doorknob mold core structure of claim 5, wherein: the female die (2) is provided with a pair of second top plate cavities (25), the second top plate cavities (25) are arranged on one sides, away from the first top plate cavities (23), of the rotating shaft cavities (42), the second top plate cavities (25) are connected with one ends, close to the rotating shaft cavities (42), of the locking hole core cavities (7), and third top plate holes (26) are formed in the second top plate cavities (25).

7. The one-die two-piece curved-surface doorknob mold core structure of claim 1, wherein: the male die (1) and the female die (2) are respectively provided with a group of water-cooling flow channels (9), and water outlets and water inlets of the water-cooling flow channels (9) are respectively arranged on the four side walls of the male die (1) and the female die (2).

8. The one-mold two-piece doorknob core structure of claim 7, wherein: the water-cooling runner (9) comprises a group of straight runners (91) and a pair of F-shaped runners (92), the straight runners (91) penetrate through the long-side walls of the male die (1) and the female die (2), two transverse runners of the F-shaped runners (92) penetrate through the short-side walls of the male die (1) and the female die (2), and longitudinal runners perpendicular to the two transverse runners penetrate out of the long-side walls.

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