CN104759604B - A kind of wheel hub die casting - Google Patents
A kind of wheel hub die casting Download PDFInfo
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- CN104759604B CN104759604B CN201510165445.XA CN201510165445A CN104759604B CN 104759604 B CN104759604 B CN 104759604B CN 201510165445 A CN201510165445 A CN 201510165445A CN 104759604 B CN104759604 B CN 104759604B
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- wheel hub
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- side form
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Abstract
The invention discloses a kind of wheel hub die casting, the counterdie of wheel hub casting mold cavity, side form and patrix is formed after comprising combination, described counterdie is arranged on lower bolster, described side form is made up of the curved portions docking that four sections are slidably connected to lower bolster, described four sections of arch sections are two groups that lay respectively at counterdie arranged on left and right sides, to the angle being provided with 3 ° ~ 10 ° between diameter about the sliding trace of two sections of curved portions of each group and counterdie; Also comprise two contiguous blocks be arranged at respectively outside two groups of curved portions, described contiguous block is provided with connecting hole, and two sections of curved portions outer walls of each group are respectively equipped with drag hook, and described drag hook is slidably connected to connecting hole.The present invention pulls two sections of curved portions of a group respectively by two contiguous blocks, and two contiguous blocks only need two hydraulic oil cylinder driving, the oil cylinder energy consumption in casting process is reduced half, significantly reduces the manufacturing cost of wheel hub; There is provided cavity pressure by locked mode cover, overcome the restriction of oil cylinder specification, reduce the manufacturing cost of wheel hub further.
Description
Technical field
The present invention relates to wheel hub casting field, be specifically related to a kind of wheel hub die casting.
Background technology
Wheel hub be vehicle for connecting the parts of tire and axle, can be divided into one piece casting type, Integral forge type and combined type three kinds manufacturing process, wherein one piece casting type wheel hub is with the low advantage of cost, occupies about 90% of wheel hub total growth.The manufacture process of one piece casting type wheel hub is, by the die cavity of aluminium water and liquid aluminium alloy cast progressive die tool, forms demoulding cooling after wheel hub blank until aluminium water condensation, then carries out the fine finishining such as deburring, polishing, surface treatment and obtain wheel hub finished product; According to the difference of aluminium water pouring technology, be divided into gravitational casting and compression casting; The tubular that the structure of wheel hub is made up of wheel rim and spoke, for ease of the demoulding, its casting mould generally adopts upper die and lower die and side form to be combined to form hub casting mold cavity, compression casting needs to keep certain pressure after aluminium water cast progressive die tool, the sealing of die cavity is better, withstand voltage is higher, and the wheel hub quality cast out is better; Current die casting die is respectively equipped with column in lower bolster corner, four sections of curved portions of composition side form are connected with the chute on column respectively by slide block, during cast, four sections of curved portions outer walls are respectively by four oil cylinder continu to press be oppositely arranged to prevent pore, and the high energy consumption of oil cylinder too increases the manufacturing cost of wheel hub; In addition, die cavity withstand voltage limits by oil cylinder specification, and the pressure in die cavity acts on column by side form, be out of shape for preventing column, patrix is except being connected with mandrel plate, also be provided with that connect with column top, that size is almost equal with lower bolster cope match-plate pattern, the assembly of whole set of die is many, complex structure.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of wheel hub die casting, and can solve four sections of curved portions of existing wheel hub die casting composition side form respectively by four hydraulic oil cylinder driving and exert pressure, energy consumption is high, causes the problem increasing wheel hub manufacturing cost.
The present invention is achieved through the following technical solutions:
A kind of wheel hub die casting, the counterdie of wheel hub casting mold cavity, side form and patrix is formed after comprising combination, described counterdie is arranged on lower bolster, described side form is made up of the curved portions docking that four sections are slidably connected to lower bolster, described four sections of arch sections are two groups that lay respectively at counterdie arranged on left and right sides, to the angle being provided with 3 ° ~ 10 ° between diameter about the sliding trace of two sections of curved portions of each group and counterdie; Also comprise two contiguous blocks be arranged at respectively outside two groups of curved portions, described contiguous block is provided with connecting hole, and two sections of curved portions outer walls of each group are respectively equipped with drag hook, and described drag hook is slidably connected to connecting hole.
Further scheme of the present invention is, the both sides of described lower bolster to diameter about counterdie are respectively equipped with chute, are provided with the slide block coordinated with chute bottom every section of curved portions.
Further scheme of the present invention is, each contiguous block is provided with two connecting holes, and the drag hook of two sections of curved portions outer walls of each group is slidably connected to two connecting holes respectively.
Further scheme of the present invention is, described drag hook is made up of with the column being fixed on connecting plate upper surface the connecting plate being connected to two sections of curved portions butt end outer walls, and described column runs through connecting hole.
Further improvement of the present invention scheme is, described side form outer wall is the frustroconical that one end is large, the other end is little, described side form outer wall is connected with the locked mode cover of annular, described locked mode cover internal diameter is between the large end external diameter and small end external diameter of side form outer wall, and its inwall is provided with the tapering identical with side form outer wall.
Further scheme of the present invention is, described side form outer wall tapering is 8 ° ~ 12 °.
Further scheme of the present invention is, the axial length of described locked mode cover is 1/3 ~ 1/2 of side form height.
The present invention's advantage is compared with prior art:
One, pulled two sections of curved portions of a group respectively by two contiguous blocks, two contiguous blocks only need two hydraulic oil cylinder driving, the oil cylinder energy consumption in casting process is reduced half, significantly reduces the manufacturing cost of wheel hub;
Two, cavity pressure is provided by locked mode cover, overcome the restriction of oil cylinder specification, make the oil cylinder of driving contiguous block only need provide the power of mobile curved portions, the manufacturing cost of further reduction wheel hub, and effectively improve die cavity withstand voltage, improve crystallization and the density of wheel hub, the wheel hub intensity waiting heavy aluminium water to produce is better than existing wheel hub, aluminium water weight needed for the wheel hub of same intensity reduces about 10%, effectively improves the market competitiveness of wheel hub and mould;
Three, provide cavity pressure by locked mode cover, eliminate column, cope match-plate pattern, reduce the assembly of mould, simplify mould structure;
Four, compare the matched moulds of existing compression casting, the demoulding needs to consider many factors, operation professional requires high, simplifies matched moulds, demoulding step, achieves a kind of foolproof operation.
Accompanying drawing explanation
Fig. 1 is die opening state schematic diagram of the present invention.
Fig. 2 is matched moulds view of the present invention.
Fig. 3 is curved portions and lower bolster syndeton schematic diagram.
Detailed description of the invention
A kind of wheel hub die casting as shown in Figure 1, Figure 2 and Figure 3, the counterdie 2 of wheel hub casting mold cavity, side form and patrix 4 is formed after comprising combination, described patrix 4 upper end is connected with mandrel plate 5, described counterdie 2 is arranged on lower bolster 1, described side form outer wall to be one end is large, the other end is little tapering the be frustroconical of 8 ° ~ 12 °, described side form outer wall is connected with the locked mode cover 6 that axial length is the annular of 1/3 ~ 1/2 of side form height, described locked mode overlaps 6 internal diameters between the large end external diameter and small end external diameter of side form outer wall, and its inwall is provided with the tapering identical with side form outer wall.
Described side form is made up of curved portions 3 docking that four sections are slidably connected to lower bolster 1, described four sections of curved portions 3 are divided into two groups that lay respectively at counterdie 2 arranged on left and right sides, it is the chute 10 of 3 ° ~ 10 ° that described lower bolster 1 to be provided with this diameter angle to the bilateral symmetry of diameter at counterdie about 2, is provided with the slide block 11 coordinated with chute 10 bottom every section of curved portions 3; Also comprise two contiguous blocks 8 be arranged at respectively outside two groups of curved portions, described contiguous block 8 is provided with two kidney-shaped connecting holes 9, two sections of curved portions 3 outer walls of each group are respectively equipped with drag hook 7, described drag hook 7 is made up of with the column being fixed on connecting plate upper surface the connecting plate being connected to two sections of curved portions 3 butt end outer walls, and described column runs through and is slidably connected to corresponding connecting hole 9.
Drive the cross cylinder of contiguous block 8 to promote curved portions 3 and move docking along tip chute, then fallen by vertical hydraulic oil cylinder driving locked mode cover 6 and be enclosed within side form outer wall and realize locking, then patrix 4 moves down and realizes matched moulds; Due in die cavity to the active force of a side form part for overcoming the frictional force between locked mode cover 6 and side form, another part directly acts on locked mode cover 6, and therefore the specification requirement of cross cylinder and vertical oil cylinder all significantly reduces; First rise patrix 4 and locked mode cover 6 successively during the demoulding, then open side form.
Claims (7)
1. a wheel hub die casting, the counterdie (2) of wheel hub casting mold cavity, side form and patrix (4) is formed after comprising combination, described counterdie (2) is arranged on lower bolster (1), described side form is made up of curved portions (3) docking that four sections are slidably connected to lower bolster (1), it is characterized in that: described four sections of curved portions (3) are divided into two groups that lay respectively at counterdie (2) arranged on left and right sides, to the angle being provided with 3 ° ~ 10 ° between diameter about sliding trace and the counterdie (2) of two sections of curved portions (3) of each group; Also comprise two contiguous blocks (8) be arranged at respectively outside two groups of curved portions, described contiguous block (8) is provided with connecting hole (9), two sections of curved portions (3) outer walls of each group are respectively equipped with drag hook (7), and described drag hook (7) is slidably connected to connecting hole (9).
2. a kind of wheel hub die casting as claimed in claim 1, it is characterized in that: the both sides of described lower bolster (1) in counterdie (2) left and right to diameter are respectively equipped with chute (10), and every section of curved portions (3) bottom is provided with the slide block (11) coordinated with chute (10).
3. a kind of wheel hub die casting as claimed in claim 1, is characterized in that: each contiguous block (8) is provided with two connecting holes (9), and the drag hook (7) of two sections of curved portions (3) outer walls of each group is slidably connected to two connecting holes (9) respectively.
4. a kind of wheel hub die casting as described in claim 1 or 3, it is characterized in that: described drag hook (7) is made up of with the column being fixed on connecting plate upper surface the connecting plate being connected to two sections of curved portions (3) butt end outer walls, and described column runs through connecting hole (9).
5. a kind of wheel hub die casting as claimed in claim 1, it is characterized in that: described side form outer wall is the frustroconical that one end is large, the other end is little, described side form outer wall is connected with the locked mode cover (6) of annular, described locked mode cover (6) internal diameter is between the large end external diameter and small end external diameter of side form outer wall, and its inwall is provided with the tapering identical with side form outer wall.
6. a kind of wheel hub die casting as claimed in claim 5, is characterized in that: described side form outer wall tapering is 8 ° ~ 12 °.
7. a kind of wheel hub die casting as claimed in claim 5, is characterized in that: the axial length of described locked mode cover (6) is 1/3 ~ 1/2 of side form height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165445.XA CN104759604B (en) | 2015-04-10 | 2015-04-10 | A kind of wheel hub die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165445.XA CN104759604B (en) | 2015-04-10 | 2015-04-10 | A kind of wheel hub die casting |
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| Publication Number | Publication Date |
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| CN104759604A CN104759604A (en) | 2015-07-08 |
| CN104759604B true CN104759604B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510165445.XA Active CN104759604B (en) | 2015-04-10 | 2015-04-10 | A kind of wheel hub die casting |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550847A (en) * | 2015-02-11 | 2015-04-29 | 泗阳敏于行精密机械有限公司 | Low-pressure wheel hub casting mold |
| CN114850408B (en) * | 2022-05-26 | 2023-10-13 | 江苏苏美达铝业有限公司 | Four-opening pressurizing die for gravity casting of hub |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443217B1 (en) * | 2000-03-15 | 2002-09-03 | Superior Industries International, Inc. | Apparatus for producing cast metal articles and process |
| US6793002B2 (en) * | 2002-03-08 | 2004-09-21 | Techmire Ltd. | Multiple-slide die-casting system |
| JP5537259B2 (en) * | 2010-05-22 | 2014-07-02 | アイシン軽金属株式会社 | Mold release apparatus and mold release method |
| CN103100671B (en) * | 2013-01-11 | 2015-06-10 | 宁波灿东模具技术有限公司 | Gravity casting machine of wheel hub |
| CN203227813U (en) * | 2013-03-06 | 2013-10-09 | 武义德丰机械有限公司 | Non-riser casting machine for automobile hubs |
| CN204504184U (en) * | 2015-04-10 | 2015-07-29 | 泗阳敏于行精密机械有限公司 | A kind of wheel hub die casting |
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| CN104759604A (en) | 2015-07-08 |
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