CN102896296A - Insert for pressing and molding wheel hub and wheel hub molding mould matched with insert - Google Patents
Insert for pressing and molding wheel hub and wheel hub molding mould matched with insert Download PDFInfo
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- CN102896296A CN102896296A CN2012104054552A CN201210405455A CN102896296A CN 102896296 A CN102896296 A CN 102896296A CN 2012104054552 A CN2012104054552 A CN 2012104054552A CN 201210405455 A CN201210405455 A CN 201210405455A CN 102896296 A CN102896296 A CN 102896296A
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- wheel hub
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Abstract
The invention discloses an insert for pressing and molding a wheel hub and a wheel hub molding mould matched with the insert. The insert comprises a metal block which is tightly embedded between upper and lower moulds and located on a root part of a wheel hub spoke; the insert is formed by processing a cast iron or cast steel material; the whole outline of the insert is ladder-shaped; the wheel hub molding mould comprises an upper mould and a lower mould; the part of the upper mould located on the root part of the wheel hub spoke is matched with a top outline of the metal block; the part of the lower mould located on the root part of the wheel hub spoke is matched with a bottom outline of the metal block; the metal block is in close fit with the upper mould and the lower mould; and a closed space is formed by the metal block, the upper mould and the lower mould. The insert is filled into a to be precisely cut and processed part of the root part of the wheel hub spoke, so that the casting defect is eliminated, the cutting machining allowance is greatly reduced, the production efficiency is increased, the yield of the wheel hub manufacturing is increased and the manufacturing cost of the wheel hub is fundamentally reduced.
Description
Technical field
The invention belongs to aluminium alloy wheel hub of vehicle manufacturing technology field, relate to the molded parts of wheel hub casting die, specifically, is a kind of inserts for the wheel hub compression molding and the wheel hub mould suitable with it.
Background technology
Manufacturing for automotive hub, what generally adopt at present still is traditional forging type, behind the mould by as shown in Figure 1 (comprise mold 1 ' and bed die 2 ') casting, also the wheel hub cast blank need be placed on the Digit Control Machine Tool (CNC) and carry out Precision Machining, part unnecessary on the wheel hub cast blank is machined away, finally obtain the product-automotive hub of appearance fineness.
But, because the restriction of casting technique itself can make the inside of wheel hub blank produce some defectives such as shrinkage porosite, cinder hole, when the wheel hub cast blank is carried out Precision Machining, in case be cut to any defective position, and these defective positions are exposed to the outer surface of wheel hub finished product just, so, this wheel hub finished product just becomes scrap.
As shown in figure 17, need accurately machined regional Q ' larger on the wheel hub cast blank 5, the defective that casting technique causes is just more, need to be also just more by the part of numerical control machine tool cutting, the process time of required cost is just longer, the result who thereupon brings is: production efficiency is low, and percent defective is high, and the manufacturing cost of product is high.
For this reason, all the time, the insider managing to seek the above-mentioned method that perplexs technical barrier for many years that solves, to improve the production efficiency of product, improves the yield rate that wheel hub is made, and fundamentally reduces the manufacturing cost of product.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art or defective, a kind of inserts for the wheel hub compression molding and the wheel hub mould suitable with it are provided.Utilization is arranged on the inserts between the upper and lower mould, filling it into wheel hub spoke root needs the position of precision cutting processing, almost stopped the generation of casting flaw, significantly reduced the machining surplus, improved production efficiency, improve the yield rate that wheel hub is made, fundamentally reduced the manufacturing cost of wheel hub product.
To achieve these goals, the present invention has adopted following technical scheme:
A kind ofly it is characterized in that for the molded inserts of wheel hub casting die, comprise that one closely is embedded the metal blocks that is positioned at wheel hub spoke root position between upper and lower mould.
The above-mentioned molded inserts of wheel hub casting die that is used for, wherein,
Described its monnolithic case of metal blocks is a trapezoidal block.
Described metal blocks is by cast iron or cast steel material is disposable processes.
Described metal blocks can anti-high temperature more than 850 ℃, and its thermal coefficient of expansion is suitable with cast iron.
A kind of and claimed in claim 1 for the suitable wheel hub casting mould of the molded inserts of wheel hub casting die, comprise mold and bed die; It is characterized in that,
The top profile that is positioned at the root position of wheel hub spoke and described metal blocks on the described mold is suitable;
The bottom profile that is positioned at the root position of wheel hub spoke and described metal blocks on the described bed die is suitable;
Closely cooperate between described metal blocks and mold and the bed die, and constitute the space of a relative closure with mold and bed die.
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art has following advantage and beneficial effect:
1. utilization of the present invention is arranged on the inserts that is positioned at wheel hub spoke root position between the upper and lower mould, fills it into the place that originally needs then again it to be carried out with the casting of aluminium material first machining.Because the wheel hub spoke root originally position of neutral is filled by inserts, and is no longer filled by aluminium material in the past, after the wheel hub casting die is molded, before the wheel hub cast blank carried out Precision Machining, again it is taken away, like this, just so that remaining cutting output decrease on the wheel hub blank.
Just because of the minimizing of redundance on the wheel hub cast blank, thereby almost stopped the casting flaw that in manufacture process, produces, decrease the percent defective made of wheel hub, effectively enhance productivity, finally reduced the manufacturing cost of product.
2. owing to the top profile of the root position that is positioned at the wheel hub spoke on the mold and inserts is suitable; The bottom profile that is positioned at the root position of wheel hub spoke and inserts on the bed die is suitable, inserts closely is embedded the root position that is positioned at the wheel hub spoke at bed die, mold is tightly pushed down the top of inserts, so that inserts all can not move in any direction up and down, locate exactly and be fixed between the upper and lower mould, and constitute the space of a sealing with mold and bed die, guaranteed the yield rate of wheel hub blank casting.
3. because the inserts that the present invention relates to adopts the materials processing of cast iron or cast steel to form, the coefficient of expansion is low after the heating, is easy to after the moulding come off, and can guarantee that the monnolithic case of wheel hub finished product is not affected, and helps again to enhance productivity.
Description of drawings
By following examples and in conjunction with the description of its accompanying drawing, can further understand purpose, specific structural features and the advantage of its invention.In the accompanying drawing,
Fig. 1 is the upper and lower mould assembling structure schematic diagram that casting hub is used in the prior art;
Fig. 2 is the mold perspective view that the casting hub that the present invention relates to is used;
Fig. 3 is the bed die perspective view that the casting hub that the present invention relates to is used;
Fig. 4 is the perspective view that the bed die among Fig. 3 is provided with metal insert;
Fig. 5 is that the bed die from Fig. 4 removes a structural representation behind the metal insert;
Fig. 6 is the plan structure schematic diagram of Fig. 4;
Fig. 7 is mold among Fig. 2 and the bed die assembly structure schematic diagram among Fig. 4;
Fig. 8 is the perspective view of the metal insert that relates among Fig. 4～Fig. 7;
Fig. 9 is that the A of Fig. 8 is to structural representation;
Figure 10 is that the B of Fig. 8 is to structural representation;
Figure 11 is that the C of Fig. 8 is to structural representation;
Figure 12 is that the D of Fig. 8 is to structural representation;
Figure 13 is the cross-sectional view along E-E line among Figure 11;
Figure 14 is the cross-sectional view along F-E line among Figure 12;
Figure 15 is the cross-sectional view of the wheel hub as-cast condition that the present invention relates to;
Figure 16 is the wheel hub casting mould design that the present invention relates to and the comparison structure schematic diagram of the wheel hub casting mould design of prior art;
Figure 17 is the regional structure schematic diagram that the wheel hub casting of prior art need to be carried out machining;
Figure 18 is that the wheel hub that the present invention relates to is cast the regional structure schematic diagram that need to carry out machining;
Figure 19 is that the die cavity of mold is the plan structure schematic diagram of Fig. 2;
Figure 20 is along the cross-sectional view of G-G line among Figure 19 (rigging position that shows inserts).
Among the figure,
1 '-mold of prior art; 2 '-bed die of prior art;
The mold that 1-the present invention relates to; The bed die that 2-the present invention relates to;
The inserts that 3-the present invention relates to; The top of 3a-inserts; The bottom of 3b inserts;
4-limit mould; The 5-wheel hub blank; The 6-charging aperture of casting; The 7-spreader; The 8-upper mould core;
The wheel hub casting of Q '-prior art needs accurately machined zone;
The wheel hub casting that Q-the present invention relates to needs accurately machined zone.
The specific embodiment
Referring to Fig. 2～Figure 14, Figure 19,20, shown the present invention relates to a kind of for the molded inserts of wheel hub casting die among the figure, comprise that mainly one closely is embedded the metal blocks 3 that is positioned at wheel hub spoke root position between mold 1 and bed die 2.
In the above-mentioned accompanying drawing, also show a kind of inserts suitable wheel hub casting mould molded with being used for the wheel hub casting die, comprised mold 1 and bed die 2; The top 3a profile that is positioned at the root position 1a of wheel hub spoke and metal blocks 3 on the mold 1 is suitable;
The bottom 3b profile that is positioned at the root position 2a of wheel hub spoke and metal blocks 3 on the bed die 2 is suitable;
Closely cooperate between metal blocks 3 and mold 1 and the bed die 2, and constitute the space of a relative closure with mold 1 and bed die 2.
Figure 17 shows that conventional matched moulds forging type, mould comprise mold 1 ' and bed die 2 '.
Referring to Figure 15～20, the present invention has carried out improving innovation at the mold foundation of routine:
After the improvement, increase by one inserts 3 between the root position of wheel hub spoke 1a, 2a at mold 1 and bed die 2, like this, when wheel hub blank 5 casting, the neutral place between mold 1 and the bed die 2 needs to be occupied by inserts 3 with the position that the casting of aluminium material is filled originally.As shown in FIG., when wheel hub blank 5 was carried out last fine finishining, its cutting output just can decrease.And then the defective of almost fundamentally having stopped casting technique itself is to the product adverse effect, improved the yield rate that wheel hub is made, and fundamentally reduces the manufacturing cost of wheel hub product.
The process of the concrete casting of wheel hub blank 5 of the present invention is roughly as follows:
Referring to Figure 15, liquid material enters in the die cavity of mould by charging aperture 6 along the direction of arrow in the figure, utilize the guide effect of spreader 7, the flow direction of control liquid material, the near closed hollow ring that patrix 1, counterdie 2, limit mould 4, upper mold core 8 and inserts 3 form makes wheel hub blank 5 one-shot formings.
Owing to the top 3a profile of the root position 1a that is positioned at the wheel hub spoke on the mold 1 and inserts 3 is suitable; The bottom 3b profile that is positioned at the root position 2a of wheel hub spoke and inserts on the bed die 2 is suitable, inserts 3 closely is embedded on the root position 2a that is positioned at the wheel hub spoke of bed die 2, mold 1 is tightly pushed down the top 3a of inserts 3, any direction all can not move so that inserts 3 is in upper and lower, left and right, locate exactly and be fixed between mold 1, the bed die 2, and constitute a space of sealing with mold 1 and bed die 2.
Referring to Figure 16, cooperate referring to Figure 17,18, Figure 16 is the wheel hub casting mould design that the present invention relates to and the wheel hub casting mould comparison of design structural representation of prior art;
B section among Figure 16 is the Design of Dies of prior art, and A section then is the Design of Dies after the present invention relates to improve;
According to the B section Design of Dies among Figure 16, behind wheel hub blank 5 castings, need accurately machined regional Q ' as shown in figure 17;
According to the A section Design of Dies among Figure 16, behind wheel hub blank 5 castings, need accurately machined regional Q as shown in figure 18;
By above-mentioned contrast, can obviously find out, compared with prior art, the Design of Dies that the present invention relates to behind wheel hub blank 5 castings, need to carry out accurately machined surplus decrease, thereby, effectively improve production efficiency, improved the yield rate that wheel hub is made, fundamentally reduced the manufacturing cost of wheel hub product.
Claims (5)
1. one kind is used for the molded inserts of wheel hub casting die, it is characterized in that, comprises that one closely is embedded the metal blocks that is positioned at wheel hub spoke root position between upper and lower mould.
2. according to claim 1ly it is characterized in that for the molded inserts of wheel hub casting die described its monnolithic case of metal blocks is a trapezoidal block.
3. according to claim 1 and 2ly it is characterized in that for the molded inserts of wheel hub casting die described metal blocks is processed by cast iron or cast steel material.
4. according to claim 1 and 2ly it is characterized in that for the molded inserts of wheel hub casting die that described metal blocks can anti-high temperature more than 850 ℃, and its thermal coefficient of expansion is suitable with cast iron.
One kind with claimed in claim 1 for the suitable wheel hub casting mould of the molded inserts of wheel hub casting die, comprise mold and bed die; It is characterized in that,
The top profile that is positioned at the root position of wheel hub spoke and described metal blocks on the described mold is suitable;
The bottom profile that is positioned at the root position of wheel hub spoke and described metal blocks on the described bed die is suitable;
Closely cooperate between described metal blocks and mold and the bed die, and constitute the space of a relative closure with mold and bed die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104054552A CN102896296A (en) | 2012-10-23 | 2012-10-23 | Insert for pressing and molding wheel hub and wheel hub molding mould matched with insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104054552A CN102896296A (en) | 2012-10-23 | 2012-10-23 | Insert for pressing and molding wheel hub and wheel hub molding mould matched with insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102896296A true CN102896296A (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104054552A Pending CN102896296A (en) | 2012-10-23 | 2012-10-23 | Insert for pressing and molding wheel hub and wheel hub molding mould matched with insert |
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| Country | Link |
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| CN (1) | CN102896296A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203433A (en) * | 2013-04-11 | 2013-07-17 | 浙江保康轮毂制造有限公司 | Aluminum alloy hub deep climbing rim structure forming technology |
| CN113245523A (en) * | 2021-05-17 | 2021-08-13 | 深圳市北工实业有限公司 | Machining method, device and process for one-step casting forming based on hollowed-out part |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069918A (en) * | 2007-04-30 | 2007-11-14 | 广东省韶铸集团有限公司 | Casting technology of casted-steel gear |
| DE102007062436A1 (en) * | 2007-12-20 | 2009-07-02 | Gottfried Wilhelm Leibniz Universität Hannover | Method for the production of a cast part, comprises casting a melt in a casting mold equipped with ventilation elements in a pressure casting process |
| CN201482936U (en) * | 2009-08-06 | 2010-05-26 | 何灿东 | Gravity-cast aluminum alloyed wheel casting die |
| CN201760579U (en) * | 2010-08-13 | 2011-03-16 | 浙江今飞凯达轮毂有限公司 | Low-pressure casting mould for wheel hub |
| CN201913193U (en) * | 2010-12-07 | 2011-08-03 | 浙江今飞凯达轮毂有限公司 | Upper mold insulation structure of automotive hub casting mold |
| CN202951857U (en) * | 2012-10-23 | 2013-05-29 | 上海俊慕铝业有限公司 | Insert for compression molding of hub and hub forming die which is adaptive with insert |
-
2012
- 2012-10-23 CN CN2012104054552A patent/CN102896296A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069918A (en) * | 2007-04-30 | 2007-11-14 | 广东省韶铸集团有限公司 | Casting technology of casted-steel gear |
| DE102007062436A1 (en) * | 2007-12-20 | 2009-07-02 | Gottfried Wilhelm Leibniz Universität Hannover | Method for the production of a cast part, comprises casting a melt in a casting mold equipped with ventilation elements in a pressure casting process |
| CN201482936U (en) * | 2009-08-06 | 2010-05-26 | 何灿东 | Gravity-cast aluminum alloyed wheel casting die |
| CN201760579U (en) * | 2010-08-13 | 2011-03-16 | 浙江今飞凯达轮毂有限公司 | Low-pressure casting mould for wheel hub |
| CN201913193U (en) * | 2010-12-07 | 2011-08-03 | 浙江今飞凯达轮毂有限公司 | Upper mold insulation structure of automotive hub casting mold |
| CN202951857U (en) * | 2012-10-23 | 2013-05-29 | 上海俊慕铝业有限公司 | Insert for compression molding of hub and hub forming die which is adaptive with insert |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203433A (en) * | 2013-04-11 | 2013-07-17 | 浙江保康轮毂制造有限公司 | Aluminum alloy hub deep climbing rim structure forming technology |
| CN113245523A (en) * | 2021-05-17 | 2021-08-13 | 深圳市北工实业有限公司 | Machining method, device and process for one-step casting forming based on hollowed-out part |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130130 |