CN202951857U - Insert for compression molding of hub and hub forming die which is adaptive with insert - Google Patents
Insert for compression molding of hub and hub forming die which is adaptive with insert Download PDFInfo
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- CN202951857U CN202951857U CN 201220542740 CN201220542740U CN202951857U CN 202951857 U CN202951857 U CN 202951857U CN 201220542740 CN201220542740 CN 201220542740 CN 201220542740 U CN201220542740 U CN 201220542740U CN 202951857 U CN202951857 U CN 202951857U
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- wheel hub
- hub
- metal blocks
- die
- insert
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Abstract
The utility model discloses an insert for the compression molding of a hub and a hub forming die which is adaptive with the insert. The insert comprises metal blocks which are positioned on roots of hub spokes and are embedded between an upper die and a lower die tightly, wherein the metal blocks are formed by machining cast iron materials or cast steel materials, and are in a shape of a ladder-shaped block integrally. The hub forming die comprises the upper die and the lower die, wherein the roots of the hub spokes on the upper die are adaptive with outlines of the tops of the metal blocks; the roots of the hub spokes on the lower die are adaptive with outlines of the bottoms of the metal blocks; and the metal blocks are in close fit between the upper die and the lower die and are combined to form closed space with the upper die and the lower die. The inserts are filled into positions which are needed to be cut precisely on the roots of the hub spokes, so that casting defects are overcome, the cutting working allowance is reduced substantially, the production efficiency and the yield of hub manufactured are improved, and the manufacturing cost of hubs is reduced fundamentally.
Description
Technical field
The utility model belongs to aluminium alloy wheel hub of vehicle manufacturing technology field, relates 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
Manufacture for automotive hub, what generally adopt at present is still traditional forging type, after the mould by as shown in Figure 1 (comprise mold 1 ' and bed die 2 ') casting, also need the wheel hub cast blank is placed on Digit Control Machine Tool (CNC) and carries 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 defects such as shrinkage porosite, cinder hole, when the wheel hub cast blank is carried out to Precision Machining, once 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, on wheel hub cast blank 5, need accurately machined regional Q ' larger, the defect 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 of thereupon bringing 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 find 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 manufactured, and fundamentally reduces the manufacturing cost of product.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art or defect, and 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 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 manufactured, fundamentally reduced the manufacturing cost of wheel hub product.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of inserts molded for the wheel hub casting die, 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.
The above-mentioned inserts molded for the wheel hub casting die, 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 the above-mentioned inserts suitable wheel hub casting mould molded for the 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 described mold is suitable;
The bottom profile that is positioned at the root position of wheel hub spoke and described metal blocks on described bed die is suitable;
Closely cooperate between described metal blocks and mold and bed die, and constitute the space of a relative closure with mold together with bed die.
Owing to having adopted above-mentioned technical scheme, the utility model compared with prior art, has following advantage and beneficial effect:
1. the utility model utilization is arranged on the inserts that is positioned at wheel hub spoke root position between upper and lower mould, fills it into and originally needs first with the casting of aluminium material, then it to be carried out the place of machining again.Because wheel hub spoke root is filled by inserts at the position of neutral originally, and no longer by aluminium material in the past, filled, after the wheel hub casting die is molded, before the wheel hub cast blank is carried out to Precision Machining, again it is taken away, like this, just make remaining cutting output decrease on wheel hub blank.
Just because of the minimizing of redundance on the wheel hub cast blank, thereby almost stopped the casting flaw produced in manufacture process, decrease the percent defective manufactured of wheel hub, effectively enhance productivity, finally reduced the manufacturing cost of product.
2. because the top profile of the root position that is positioned at the wheel hub spoke on mold and inserts is suitable; The bottom profile that is positioned at the root position of wheel hub spoke and inserts on bed die is suitable, inserts closely is embedded the root position that is positioned at the wheel hub spoke on bed die, mold is tightly pushed down the top of inserts, make inserts all can not move in any direction up and down, locate exactly and be fixed between upper and lower mould, and constitute the space of a sealing together with bed die with mold, guaranteed the yield rate of wheel hub blank casting.
3. the inserts related to due to the utility model adopts the materials processing of cast iron or cast steel to form, and after heating, the coefficient of expansion is low, after moulding, is easy to come off, and can guarantee that the monnolithic case of wheel hub finished product is not affected, and contributes to again to enhance productivity.
The accompanying drawing explanation
By following examples and in conjunction with the description of its accompanying drawing, can further understand its practical novel purpose, specific structural features and advantage.In accompanying drawing,
Fig. 1 is the upper and lower mould assembling structure schematic diagram that in prior art, casting hub is used;
Fig. 2 is the mold perspective view that casting hub that the utility model relates to is used;
Fig. 3 is the bed die perspective view that casting hub that the utility model relates to is used;
Fig. 4 is the perspective view that the bed die in Fig. 3 is provided with metal insert;
Fig. 5 is that the bed die from Fig. 4 removes a structural representation after metal insert;
Fig. 6 is the plan structure schematic diagram of Fig. 4;
Fig. 7 is mold in Fig. 2 and the bed die assembly structure schematic diagram in Fig. 4;
Fig. 8 is the perspective view of the metal insert that relates in 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 in Figure 11;
Figure 14 is the cross-sectional view along F-E line in Figure 12;
Figure 15 is the cross-sectional view of the wheel hub as-cast condition that relates to of the utility model;
Figure 16 is the wheel hub casting mould design that relates to of the utility model 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 utility model 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 in Figure 19 (rigging position that shows inserts).
In figure,
1 '-mold of prior art; 2 '-bed die of prior art;
The mold that 1-the utility model relates to; The bed die that 2-the utility model relates to;
The inserts that 3-the utility model 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 accurately machined zone of needs that Q-the utility model relates to.
The specific embodiment
Referring to Fig. 2～Figure 14, Figure 19,20, shown a kind of inserts molded for the wheel hub casting die that the utility model relates in figure, mainly comprised that 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 above-mentioned accompanying drawing, also shown and a kind of and the suitable wheel hub casting mould of molded inserts 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 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 bed die 2 is suitable;
Closely cooperate between metal blocks 3 and mold 1 and bed die 2, and constitute the space of a relative closure with mold 1 together with 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 utility model has carried out improving innovation on conventional mold foundation:
After improvement, increase by an inserts 3 between the position of the root at the wheel hub spoke of mold 1 and bed die 2 1a, 2a, like this, when wheel hub blank 5 casting, the position that the neutral place between mold 1 and bed die 2 need fill with the casting of aluminium material is originally occupied by inserts 3.As shown in FIG., when wheel hub blank 5 is carried out to last fine finishining, its cutting output just can decrease.And then the defect of almost fundamentally having stopped casting technique itself is to the product adverse effect, improved the yield rate that wheel hub is manufactured, fundamentally reduce the manufacturing cost of wheel hub product.
The process of the concrete casting of the utility model wheel hub blank 5 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, control the flow direction of liquid material, the near closed hollow ring that patrix 1, counterdie 2, limit mould 4, upper mold core 8 and inserts 3 form, make wheel hub blank 5 one-shot formings.
Because the top 3a profile of the root position 1a that is positioned at the wheel hub spoke on 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 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 in upper and lower, left and right to make inserts 3, locate exactly and be fixed between mold 1, bed die 2, and constitute the space of a sealing with mold 1 together with bed die 2.
Referring to Figure 16, coordinate referring to Figure 17,18, Figure 16 is the wheel hub casting mould design that relates to of the utility model and the wheel hub casting mould comparison of design structural representation of prior art;
The Design of Dies that B section in Figure 16 is prior art, A section relates to the Design of Dies after improvement for the utility model;
According to the B section Design of Dies in Figure 16, after wheel hub blank 5 castings, need accurately machined regional Q ' as shown in figure 17;
According to the A section Design of Dies in Figure 16, after 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 utility model relates to, after 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 manufactured, fundamentally reduced the manufacturing cost of wheel hub product.
Claims (5)
1. an inserts molded for the wheel hub casting die, 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. the inserts molded for the wheel hub casting die according to claim 1, is characterized in that, described its monnolithic case of metal blocks is a trapezoidal block.
3. the inserts molded for the wheel hub casting die according to claim 1 and 2, is characterized in that, described metal blocks is processed by cast iron or cast steel material.
4. the inserts molded for the wheel hub casting die according to claim 1 and 2, is characterized in 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 the suitable wheel hub casting mould of the inserts molded for the wheel hub casting die claimed in claim 1, 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 described mold is suitable;
The bottom profile that is positioned at the root position of wheel hub spoke and described metal blocks on described bed die is suitable;
Closely cooperate between described metal blocks and mold and bed die, and constitute the space of a relative closure with mold together with bed die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542740 CN202951857U (en) | 2012-10-23 | 2012-10-23 | Insert for compression molding of hub and hub forming die which is adaptive with insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542740 CN202951857U (en) | 2012-10-23 | 2012-10-23 | Insert for compression molding of hub and hub forming die which is adaptive with insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202951857U true CN202951857U (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220542740 Expired - Fee Related CN202951857U (en) | 2012-10-23 | 2012-10-23 | Insert for compression molding of hub and hub forming die which is adaptive with insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202951857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896296A (en) * | 2012-10-23 | 2013-01-30 | 上海俊慕铝业有限公司 | Insert for pressing and molding wheel hub and wheel hub molding mould matched with insert |
| CN104827011A (en) * | 2015-02-18 | 2015-08-12 | 中信戴卡股份有限公司 | Aluminum alloy wheel preformed shell and low-pressure casting method of aluminum alloy wheel |
-
2012
- 2012-10-23 CN CN 201220542740 patent/CN202951857U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896296A (en) * | 2012-10-23 | 2013-01-30 | 上海俊慕铝业有限公司 | Insert for pressing and molding wheel hub and wheel hub molding mould matched with insert |
| CN104827011A (en) * | 2015-02-18 | 2015-08-12 | 中信戴卡股份有限公司 | Aluminum alloy wheel preformed shell and low-pressure casting method of aluminum alloy wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suqian Ying Nuowei Aluminum Co., Ltd Assignor: Shanghai Junmu Aluminum Co., Ltd. Contract record no.: 2015320000489 Denomination of utility model: Insert for pressing and molding wheel hub and wheel hub molding mould matched with insert Granted publication date: 20130529 License type: Exclusive License Record date: 20150626 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20171023 |