CN218591787U

CN218591787U - Reverse casting mould

Info

Publication number: CN218591787U
Application number: CN202222854456.7U
Authority: CN
Inventors: 许启军; 肖双喜; 韩月鹏; 王荣
Original assignee: Zhenjiang Yujiu Intelligent Equipment Ltd By Share Ltd
Current assignee: Zhenjiang Yujiu Intelligent Equipment Ltd By Share Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-10
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a reverse casting mould, including last mould, lower mould and bottom plate, lower mould fixed mounting is used for the bottom plate upper surface, it is used for the product shaping to go up mould and lower mould lock, it is provided with a plurality of groups water-cooling channel to lie in spoke, quotation position in mould, lower mould, the bottom plate bottom surface is provided with a plurality of groups stalk, the stalk top matches and is provided with the runner, the runner includes runner cover and thermos cup, the runner cover sets up the bottom in the lower mould, the thermos cup sets up in the bottom plate, runner cover, thermos cup and stalk all are provided with two sets ofly at least, inject the runner cover in the lower mould simultaneously, assemble with the stalk top again, have reduced the defect that mix with of foundry goods, have obviously improved foundry goods quality for the material yield of product, the casting efficiency of product, unit daily output all obtain improving, thereby reduce inside production manufacturing cost, improve product market competition.

Description

Reverse casting mould

Technical Field

The utility model relates to a casting mould equipment field specifically is a reverse casting mould.

Background

At present, the aluminum alloy wheel generally adopts forging, high-low pressure, gravity casting process production manufacturing, the product of low pressure spinning pours into from central hole 18 position, as shown in figure 1, the spoke obtains through the low pressure, obtain through spinning after the rim is cast, owing to adopt central runner, in order to guarantee spoke to rim and the effective feeding at R angle, the spoke part can not adopt the forced cooling in process of production, thereby influence near mechanical properties of spoke, the product is loose easily appear at the spoke face in the in-process of in-service use, shrinkage cavity, defects such as pinhole, can produce fatigue crack fracture risk in the loading use, influence the life of product.

Meanwhile, the current technology has defects in material yield and production efficiency, for example, a 22.5 × 9.0-sized commercial riding wheel product is taken as an example, the weight of a current general finished product is more than 26Kg, the weight of a blank is about 50Kg, the material yield is only about 52%, meanwhile, because a cast blank is heavy, the production and casting period is long, the daily yield of a single machine is only about 230, the production and manufacturing cost of a single product is always high, and under the condition that market competition is more and more intense, the material yield and the production efficiency of the product are further improved, the production and manufacturing cost is reduced, and the competitiveness of the product is improved, so that the technology is more and more important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reverse casting mould for the material yield of product, the casting efficiency of product obtain improving, and the unit daily output all obtains improving, thereby reduces the inside production manufacturing cost, improves product market competitiveness, with the problem of proposing in solving above-mentioned background art.

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

the utility model provides a reverse casting mould, includes mould, lower mould and bottom plate, lower mould fixed mounting is used for the bottom plate upper surface, it is used for the product shaping to go up mould and lower mould lock, it is provided with a plurality of groups water-cooling channel to lie in spoke, quotation position in mould, lower mould, the bottom plate bottom surface is provided with a plurality of groups stalk, the stalk top matches and is provided with the runner, the runner includes runner cover and thermos cup, the runner cover sets up bottom in the lower mould, the thermos cup sets up in the bottom plate, runner cover, thermos cup and stalk all are provided with two sets ofly at least.

The upper die comprises an upper die and a lower die, wherein the upper die is fixedly connected with a top rod plate and a top rod plate pressing plate connected to the upper surface of the top rod plate, an upper die plate is fixedly mounted at the top of the upper die, and one side of the top rod plate and one side of the upper die plate are connected through a reset column pin.

The upper die plate is characterized in that a stand column is fixedly connected to one side of the upper surface of the upper die plate, an upper mother plate is fixedly mounted at the top end of the stand column, and a through hole is formed in the upper mother plate.

Wherein, lower mould one side is provided with upper die and downside mould respectively, the upper die sets up in downside mould upper surface, also be provided with the water-cooling passageway in the upper die.

And a triangular block is fixedly connected to one side between the upper template and the bottom plate, and a guide key penetrates horizontally in the triangular block.

Wherein, a plurality of groups of recesses have been seted up in the bottom plate, fixed mounting has the thermos cup clamp plate in the recess, thermos cup clamp plate and thermos cup match the setting.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, set up at least two sets of stalk in mould bottom plate below to set up runner cover and thermos cup in lower mould and bottom plate respectively, finally inject the thermos cup through the thermos cup clamp plate by supreme down, inject the runner cover in the lower mould simultaneously, assemble with the stalk top again, change traditional center gate design, metal splash when having reduced the pouring stirs with the impact to crucible bottom residual metal, the defect of mingling with of foundry goods has been reduced, the foundry goods quality has obviously been improved.

2. The utility model discloses the structure combination that adopts subtracts heavy to within 24.0Kg with finished product weight by 26.0Kg, and blank weight subtracts heavy to 37.5Kg by 48.8Kg for the material yield of product, the casting efficiency of product obtain improving, and unit daily output all obtains improving, thereby reduces the inside production manufacturing cost, improves product market competitiveness.

Drawings

FIG. 1 is a front cross-sectional structural view of a casting mold of the prior art;

fig. 2 is a schematic front sectional view of the casting mold of the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: 1. an upper die; 101. a jack rod plate; 102. a ejector rod plate pressing plate; 2. a lower die; 3. a base plate; 4. a water-cooling channel; 5. a sprue bush; 6. a vacuum cup; 7. a gate; 8. a riser tube; 9. mounting a template; 10. a reset column; 11. a column; 12. an upper motherboard; 13. an upper side die; 14. a lower side die; 15. a triangular block; 16. a guide key; 17. pressing plates of the vacuum cups; 18. a central bore.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific situation of the specification.

The utility model provides a: the utility model provides a reverse casting mould, as shown in fig. 2-3, includes mould 1, lower mould 2 and bottom plate 3, 2 fixed mounting of lower mould is used for 3 upper surfaces of bottom plate, it is used for the product shaping to go up mould 1 and 2 locks of lower mould, it is provided with a plurality of groups water-cooling channel 4 to lie in spoke, quotation position in mould 1, lower mould 2, 3 bottom surfaces of bottom plate are provided with a plurality of groups stalk 8, and this embodiment changes traditional center gate design, adopts two stalk 8 designs, and the metal splash when having reduced the pouring stirs with the impact to the surplus metal in crucible bottom, has reduced the defect of mixing with of foundry goods, has obviously improved foundry goods quality.

The top end of the lift tube 8 is provided with a pouring gate 7 in a matching manner, the pouring gate 7 changes the traditional unthreaded hole type design, the combination of the pouring gate sleeve 5 and the vacuum cup 6 is utilized to match the mounting structure on the top end of the lift tube 8, and the combined type mounting is matched with the vacuum cup pressing plate 17, so that the mounting structure of the whole lift tube 8 is more stable. The runner 7 includes runner cover 5 and thermos cup 6, runner cover 5 sets up in 2 bottoms of lower mould, thermos cup 6 sets up in bottom plate 3, a plurality of sets of recesses have been seted up in bottom plate 3, fixed mounting has thermos cup clamp plate 17 in the recess, thermos cup clamp plate 17 and thermos cup 6 match the setting, utilize thermos cup clamp plate 17 to inject thermos cup 6's mounted position, guarantee runner cover 5, thermos cup 6 and carry out stable assembly to stalk 8, wherein stalk 8 is provided with two sets ofly at least, therefore runner cover 5 and thermos cup 6's mounted position and installation quantity all match the setting with stalk 8.

An upper side die 13 and a lower side die 14 are respectively arranged on one side of the lower die 2, the upper side die 13 is arranged on the upper surface of the lower side die 14, a water cooling channel is also arranged in the upper side die 13 and is provided with the water cooling channel, and the upper side die 13 rises together with a product and the upper die 1 during die opening, so that the effect of stable die lifting is achieved during cooling; when the product is opened, the oil cylinder arranged at the bottom is firstly opened, and the part is the prior art.

Go up 1 top fixedly connected with ejector pin board 101 and connect in ejector pin board clamp plate 102 of ejector pin board 101 upper surface of mould, go up 1 top fixed mounting of mould and have cope match-plate pattern 9, ejector pin joint is passed through to ejector pin board 101 one side and cope match-plate pattern 9 one side through reset post 10. An upright post 11 is fixedly connected to one side of the upper surface of the upper template 9, an upper mother board 12 is fixedly mounted at the top end of the upright post 11, and a through hole is formed in the upper mother board 12. One side fixedly connected with triangle block 15 between cope match-plate pattern 9 and bottom plate 3, the level runs through has guide key 16 in the triangle block 15, and this partial structure is the necessary technical characteristics of the casting mould of this embodiment, for the technical scheme integrality of guaranteeing whole mould, proposes above-mentioned technical characteristics, guarantees that the embodiment of this application can accomplish the spin forming after the rim casting.

To sum up, the weight of the finished product is reduced from 26Kg to less than 24.0Kg (22 Kg after technical breakthrough), the weight of the blank is reduced from 48.8Kg to 37.5Kg, the yield of the product is improved from 52% to about 64%, the casting efficiency of the product is synchronously improved, the daily production of a single machine is increased from 230 to about 350, the internal production and manufacturing cost is reduced, and the market competitiveness of the product is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a reverse casting mould, includes last mould (1), lower mould (2) and bottom plate (3), lower mould (2) fixed mounting is used for bottom plate (3) upper surface, it is used for the product shaping, its characterized in that to go up mould (1) and lower mould (2) lock: go up mould (1), lower mould (2) interior spoke, quotation position of being located and be provided with a plurality of groups water-cooling channel (4), bottom plate (3) bottom surface is provided with a plurality of groups stalk (8), stalk (8) top matching is provided with runner (7), runner (7) are including runner cover (5) and thermos cup (6), runner cover (5) set up bottom in lower mould (2), thermos cup (6) set up in bottom plate (3), runner cover (5), thermos cup (6) and stalk (8) all are provided with two sets ofly at least.

2. A reverse casting mold according to claim 1, wherein: go up mould (1) top fixedly connected with ejector pin board (101) and connect in ejector pin board clamp plate (102) of ejector pin board (101) upper surface, go up mould (1) top fixed mounting and have cope match-plate pattern (9), ejector pin post (10) pin joint is passed through to ejector pin board (101) one side and cope match-plate pattern (9) one side.

3. A reverse casting mold according to claim 2, wherein: the upper surface of the upper template (9) is fixedly connected with a stand column (11), an upper mother board (12) is fixedly mounted at the top end of the stand column (11), and a through hole is formed in the upper mother board (12).

4. A reverse casting mold according to claim 3, wherein: an upper side die (13) and a lower side die (14) are respectively arranged on one side of the lower die (2), the upper side die (13) is arranged on the upper surface of the lower side die (14), and a water cooling channel is also arranged in the upper side die (13).

5. A reverse casting mold according to claim 2, wherein: one side fixedly connected with triangle piece (15) between cope match-plate pattern (9) and bottom plate (3), it has guide key (16) to run through in the triangle piece (15) level.

6. A reverse casting mold according to claim 1, wherein: set up a plurality of groups recess in bottom plate (3), fixed mounting has thermos cup clamp plate (17) in the recess, thermos cup clamp plate (17) and thermos cup (6) match the setting.