CN219357855U

CN219357855U - Split type upper die casting hub die

Info

Publication number: CN219357855U
Application number: CN202320267809.5U
Authority: CN
Inventors: 张士亮; 伏杨杨
Original assignee: Kunshan Hengte Industrial Machinery Co ltd
Current assignee: Kunshan Hengte Industrial Machinery Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-18
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a split type upper die casting hub die which comprises an upper die mechanism, an upper die core, a lower die and a side die, wherein a closed cavity is formed after the upper die mechanism, the upper die core, the lower die and the side die are clamped, and a center gate communicated with the cavity is arranged at the bottom of the lower die; the upper die mechanism comprises a first upper die and a second upper die, the annular bulge at the bottom of the second upper die is clamped in the annular clamping groove at the upper end of the first upper die, and the first upper die and the second upper die are locked and fixed through screws and positioning pins. The upper die mechanism comprises the first upper die and the second upper die, so that the defects of high processing cost, high raw material blank weight cost, low efficiency and the like of the existing integrated upper die mechanism are effectively avoided, the second upper die can be reused until the scrapping limit is reached, and the cost is greatly reduced by only replacing the first upper die for a new product.

Description

Split type upper die casting hub die

Technical Field

The utility model relates to the technical field of molds, in particular to a split upper die casting hub mold.

Background

Because the bowl mouth of the back cavity of the conventional integral upper die is deep, the processing period is long, and the deep processing difficulty and the processing inadequacy of the back cavity of the upper die wheel frame are caused by the grooving, the problem of time-series discharge processing is solved, and the labor and time are wasted. The required blank material is also heavy. To this end we propose a split upper die casting hub die.

Disclosure of Invention

The utility model aims to provide a split type upper die casting hub die which solves the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the split type upper die casting hub die comprises an upper die mechanism, an upper die core, a lower die and a side die, wherein a closed cavity is formed after the upper die mechanism, the upper die core, the lower die and the side die are clamped, and a center gate communicated with the cavity is arranged at the bottom of the lower die;

the upper die mechanism comprises a first upper die and a second upper die, the annular bulge at the bottom of the second upper die is clamped in the annular clamping groove at the upper end of the first upper die, and the first upper die and the second upper die are locked and fixed through screws and positioning pins.

Compared with the prior art, the utility model has the beneficial effects that: the upper die mechanism comprises the first upper die and the second upper die, so that the defects of high processing cost, high raw material blank weight cost, low efficiency and the like of the existing integrated upper die mechanism are effectively avoided, the second upper die can be reused until the scrapping limit is reached, and the cost is greatly reduced by only replacing the first upper die for a new product.

Drawings

FIG. 1 is a schematic perspective view of a first upper die and a second upper die of the present utility model;

FIG. 2 is a schematic perspective view of a first upper die according to the present utility model;

FIG. 3 is a schematic top view of a first upper die of the present utility model;

FIG. 4 is a schematic perspective view of a second upper mold according to the present utility model;

FIG. 5 is a schematic top view of a second upper die of the present utility model;

FIG. 6 is a schematic diagram of an exploded structure of the first upper die and the second upper die of the present utility model after being cut away in side view;

FIG. 7 is a schematic side sectional view showing a first upper die and a second upper die of the present utility model assembled;

fig. 8 is a schematic cross-sectional view of the overall installation of the present utility model.

In the figure: 1. a first upper die; 111. locking the screw hole; 112. a lower positioning hole; 113. a first cooling tank; 114. a cooling hole; 115. bolt holes; 116. an annular clamping groove; 2. a second upper die; 21. locking the via hole; 22. an upper positioning hole; 23. a second cooling tank; 24. countersunk bolt locking holes; 25. a mandril hole; 26. an annular protrusion; 3. a positioning pin; 4. a screw; 5. a push rod pressing plate; 6. a top rod plate; 7. a push rod; 8. countersunk head bolts; 9. an upper template; 10. an upper mold core; 11. a long bolt; 12. a lower die; 13. a center gate; 14. a side mold; 15. and (5) a lower die holder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, the present utility model provides a technical solution: a split upper die casting hub die, which comprises an upper die mechanism, an upper die core 10, a lower die 12 and a side die 14;

the upper die core 10 is fixed in the middle of the upper end of the first upper die 1 through a long bolt 11, the long bolt 11 penetrates through the upper die core 10 and then is screwed into a corresponding bolt hole 115 on the first upper die 1, cooling holes 114 are further formed between adjacent bolt holes 115, and a plurality of groups of first cooling grooves 113 are further formed in the first upper die 1.

The first upper die 1 is arranged right above the lower die 12, the lower die 12 and the side die 14 are fixed at the upper end of the lower die holder 15, and the side die 14 is positioned at the outer sides of the lower die 12 and the upper die mechanism;

the top of the second upper die 2 is fixed with an upper die plate 9 through countersunk bolts 8, and countersunk bolts 8 penetrate through the upper die plate 9 and are then screwed into countersunk bolt locking holes 24 corresponding to the upper end of the second upper die 2.

The upper end of the second upper die 2 is provided with a mandril hole 25 for being in threaded connection with the mandril 7, the inner side of the upper end of the second upper die 2 is also provided with a second cooling groove 23, the mandril 7 is fixed on the mandril plate 6, and the upper end of the mandril plate 6 is fixed with a mandril pressing plate 5.

The upper die mechanism, the upper die core 10, the lower die 12 and the side die 14 are clamped to form a closed cavity, and a center gate 13 communicated with the cavity is arranged at the bottom of the lower die 12;

the upper die mechanism comprises a first upper die 1 and a second upper die 2, the annular bulge 26 at the bottom of the second upper die 2 is clamped in the annular clamping groove 116 at the upper end of the first upper die 1, and the first upper die 1 and the second upper die 2 are locked and fixed through screws 4 and positioning pins 3.

The second upper die 2 is provided with a plurality of groups of locking through holes 21 and two groups of upper positioning holes 22, the first upper die 1 is provided with a plurality of groups of locking screw holes 111 and two groups of lower positioning holes 112, the positioning pins 3 are inserted into the corresponding upper positioning holes 22 and lower positioning holes 112, and the screws 4 penetrate through the locking through holes 21 and are then screwed into the corresponding locking screw holes 111.

Specifically, when in use, the upper die mechanism (the first upper die 1 and the second upper die 2), the upper die core 10, the lower die 12 and the side die 14 are assembled to form a closed cavity, molten aluminum with the temperature of about 700 ℃ is injected into the cavity from the center gate 13 through pressure, and qualified hub products are manufactured after reasonable sequential cooling.

The upper die mechanism consists of a first upper die 1 and a second upper die 2, the first upper die 1 and the second upper die 2 are fixedly locked through screws 4 and positioning pins 3 and then are combined into a whole, the defects of high processing cost, high raw material blank weight cost, low efficiency and the like of the existing integrated upper die mechanism are effectively avoided, the second upper die 2 can be repeatedly utilized until the scrapping limit is reached, and a new product only needs to replace the first upper die 1, so that the cost is greatly reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a split type upper die casting wheel hub mould, includes mould mechanism, upper die core (10), lower mould (12) and side form (14), its characterized in that: the upper die mechanism, the upper die core (10), the lower die (12) and the side die (14) are clamped to form a closed cavity, and a center gate (13) communicated with the cavity is arranged at the bottom of the lower die (12);

the upper die mechanism comprises a first upper die (1) and a second upper die (2), annular protrusions (26) at the bottom of the second upper die (2) are clamped in annular clamping grooves (116) at the upper end of the first upper die (1), and the first upper die (1) and the second upper die (2) are locked and fixed through screws (4) and positioning pins (3).

2. A split upper die casting hub die according to claim 1, wherein: the second upper die (2) is provided with a plurality of groups of locking through holes (21) and two groups of upper positioning holes (22), the first upper die (1) is provided with a plurality of groups of locking screw holes (111) and two groups of lower positioning holes (112), the positioning pins (3) are inserted into the corresponding upper positioning holes (22) and lower positioning holes (112), and the screws (4) penetrate through the locking through holes (21) and are connected with the corresponding locking screw holes (111) in a threaded mode.

3. A split upper die casting hub die according to claim 1, wherein: the upper mold core (10) is fixed at the middle part of the upper end of the first upper mold (1) through a long bolt (11), the long bolt (11) penetrates through the upper mold core (10) and then is connected with corresponding bolt holes (115) on the first upper mold (1) in a threaded mode, cooling holes (114) are further formed between adjacent bolt holes (115), and a plurality of groups of first cooling grooves (113) are further formed in the first upper mold (1).

4. A split upper die casting hub die according to claim 1, wherein: the first upper die (1) is arranged right above the lower die (12), the lower die (12) and the side die (14) are fixed at the upper end of the lower die holder (15), and the side die (14) is positioned at the outer sides of the lower die (12) and the upper die mechanism;

the top of the second upper die (2) is fixed with an upper die plate (9) through a countersunk head bolt (8), and the countersunk head bolt (8) penetrates through the upper die plate (9) and then is screwed into a countersunk head bolt locking hole (24) corresponding to the upper end of the second upper die (2).

5. A split upper die casting hub die according to claim 1, wherein:

the upper end of the second upper die (2) is provided with a mandril hole (25) for being in threaded connection with a mandril (7), the inner side of the upper end of the second upper die (2) is also provided with a second cooling groove (23), the mandril (7) is fixed on a mandril plate (6), and the upper end of the mandril plate (6) is fixedly provided with a mandril pressing plate (5).