CN219703466U - Hub die split side die - Google Patents
Hub die split side die Download PDFInfo
- Publication number
- CN219703466U CN219703466U CN202320912773.1U CN202320912773U CN219703466U CN 219703466 U CN219703466 U CN 219703466U CN 202320912773 U CN202320912773 U CN 202320912773U CN 219703466 U CN219703466 U CN 219703466U
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- Prior art keywords
- hub
- insert
- die
- rim
- side die
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- 238000005266 casting Methods 0.000 claims abstract description 45
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 230000007547 defect Effects 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims 3
- 239000000463 material Substances 0.000 claims 1
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model relates to the field of aluminum alloy hub casting molds and discloses a split type side mold of a hub mold, which comprises a plurality of side mold units, wherein the side mold units surround to form a side mold whole for hub casting, each side mold unit comprises a frame body, side mold inserts for mold cooling are assembled in the frame body, and the side mold inserts correspond to split structures arranged in different areas of a rim in a partitioned mode. The side die inserts comprise a first insert corresponding to the upper area of the rim, a second insert corresponding to the middle area of the rim of the hub casting and a third insert corresponding to the lower area of the rim of the hub casting.
Description
Technical Field
The utility model relates to the technical field of low-pressure casting aluminum alloy hub dies, in particular to a split side die of a hub die.
Background
At present, an automobile aluminum alloy hub is mainly produced by adopting a low-pressure casting process, and a required casting die is generally formed by combining an upper die, a lower die and a side die. In order to meet the market demands of increasingly diversified and complicated aluminum alloy hub modeling, improvement of casting molds and adjustment of production processes are urgent. The side die in the existing casting die has the following defects in the use process:
1. because the rim molded line of part of the hub is bent or a groove is formed in the middle part of the rim, the defects of shrinkage porosity, insufficient casting and the like of the rim are extremely easy to occur in the low-pressure casting production process. The temperature of the shrinkage cavity defect position in the middle of the rim or the groove position is difficult to control, meanwhile, the shrinkage cavity defect in the area is difficult to improve due to the cut-off influence caused by the poor temperature transmission of the top and the bottom of the side die, and the casting quality cannot be effectively ensured.
2. In the production process, the actual temperature data of the shrinkage porosity defect position cannot be detected and obtained in real time, more shrinkage porosity defect adjustment or optimization processes are realized by virtue of production experience and process experiment means, so that the adjustment process needs repeated debugging and repeated experiments, the adjustment effect is difficult to ensure, the efficiency is restrained from being improved, and the waste of production cost is caused.
3. The cooling water channel of the existing side die insert is usually a water channel formed by annular through holes, and the annular water channel is easy to cause poor cooling on the position of a hub window, so that a closure phenomenon in the casting process is caused, and the casting quality is influenced.
Disclosure of Invention
The utility model aims to solve the problems that the existing side die cannot effectively guarantee casting quality in the use process, and particularly the problems that shrinkage porosity, throttling and the like are easy to occur in the casting process of a hub with a complex shape.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a split type side form of wheel hub mould, includes a plurality of side form units, and a plurality of side form units surround and form the side form whole that is used for wheel hub casting, side form unit includes the framework, is equipped with in the framework and is used for mould refrigerated side form to insert, side form inserts for corresponding the split structure that the different regional subregions of rim set up.
Preferably, the side die inserts include the first insert that corresponds rim upper portion region and set up, first insert middle part and both sides are provided with the fixed orifices that is used for connecting the framework, and the temperature measurement hole that is used for throwing in the thermocouple has been seted up to the position that first insert corresponds the rim and easily appears shrinkage cavity defect.
Preferably, the side die insert further comprises a second insert arranged corresponding to the rim middle area of the hub casting, and a heat insulation cavity with a hollow structure is arranged in the second insert and used for regulating and controlling the cooling strength of the second insert to the rim middle area.
Preferably, the heat insulation cavity is filled with heat insulation materials.
Preferably, the side die insert further comprises a third insert disposed in correspondence of a lower rim region of the hub casting. The spoke arrangement of corresponding wheel hub foundry goods has seted up the segmentation water course in the third inserts, the length of segmentation water course covers the width direction of spoke to make the position of wheel hub foundry goods window be located between two adjacent segmentation water courses, so that the cooling water course rationally dodges wheel hub window position.
Preferably, the third insert is provided with a heat insulation groove corresponding to the position of the hub casting window.
Preferably, a sliding groove and a sliding block structure for positioning and assembling are arranged between the side die inserts.
Preferably, a sliding groove is arranged at the bottom of the frame body and is used for being in sliding fit with a sliding block arranged on the bottom die.
The utility model has the beneficial effects that:
according to the utility model, the side mold inserts are arranged in a split manner, different cooling structures are designed corresponding to different parts of the rim in a targeted manner, a more accurate cooling scheme is provided for the hub casting process, the cooling requirement of a hub casting on the side mold is better met, the casting defect caused by complex modeling of the hub is improved, meanwhile, the problems that the temperature of the shrinkage cavity defect position in the middle part or the groove position of the rim is difficult to control and the interception influence is caused by the poor temperature transmission of the top and the bottom of the side mold are solved, and the hub casting quality is improved; by arranging the temperature measuring holes in the first insert, on-site operators can conduct process adjustment optimization according to temperature data feedback and defect states in a targeted manner, the current situations that the process adjustment effect is poor according to production experience and hysteresis problems exist in process adjustment through process experiment data are changed, the temperature of the defect position is visualized by throwing thermocouples, and timeliness and accuracy of the process adjustment are guaranteed; through set up spout and the slider structure that is used for positioning assembly on the side form insert, improved convenience and the assembly precision of side form assembly.
The utility model has obvious effect, simple structure, convenient implementation and suitability for popularization and application.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a three-view of the structure of the present utility model.
Fig. 2 is a three-view of a first insert of the present utility model.
Fig. 3 is a schematic structural view of a second insert according to the present utility model.
Fig. 4 is a schematic structural view of a third insert according to the present utility model.
FIG. 5 is a schematic view of the structure of the side mold according to the present utility model.
In the figure: 1- -a first insert; 10- -a frame; 11- -a temperature measuring hole; 12- -a chute; 2- -a second insert; 21- -a thermal insulation cavity; 3- -a third insert; 31- -segmented waterways; 32- -a heat insulation tank; 33- -a water inlet channel; 34- -the water outlet channel.
Detailed Description
As shown in fig. 1-5, a split type side mold of a hub mold comprises a plurality of side mold units, wherein the plurality of side mold units surround to form a side mold whole for hub casting. The side die unit comprises a frame body 10, a side die insert for cooling a die is assembled in the frame body 10, the side die insert is of a split structure and is arranged in a partition mode corresponding to different areas of a rim, the side die insert structure is convenient to adjust according to the partition mode of a hub casting process, the cooling requirement of a hub casting on the side die is met better, casting defects caused by complex modeling of the hub are overcome, the problem that the temperature of the shrinkage cavity defect position in the middle part or a groove position of the rim is difficult to control and the problem that the closure effect is caused by poor temperature transmission of the top and the bottom of the side die is solved, and the casting quality of the hub is improved.
As shown in fig. 1-2, the side die insert comprises a first insert 1 arranged corresponding to the upper region of the rim of the hub casting, and fixing holes are arranged in the middle and on two sides of the first insert 1 and used for fixedly connecting the frame 10. The temperature measuring hole 11 is formed in the position, corresponding to the rim, of the first insert 1, where shrinkage porosity defect easily occurs, and is used for throwing a thermocouple, so that temperature data of the shrinkage porosity defect position can be monitored in real time, and on-site operators can conduct process adjustment optimization in a targeted mode according to temperature data feedback and defect states. The current situations that the process adjustment effect is poor by production experience and the hysteresis problem exists in the process adjustment by process experimental data are improved, the temperature of the defect position is visualized by throwing the thermocouple, and the timeliness and the accuracy of the process adjustment are ensured.
Further, in order to promote the assembly convenience of side die inserts, set up the spout 12 that is used for the location assembly in first insert 1 bottom, the assembly operation of first insert 1 of being convenient for ensures assembly accuracy. The assembly device is used for being matched with the top sliding block of the side die insert for assembly.
As shown in fig. 3, the side die insert further comprises a second insert 2 arranged corresponding to the rim middle area of the hub casting, and a top sliding block is arranged at the top of the second insert 2 corresponding to the sliding groove 12 of the first insert 1 and used for assembling the first insert 1 and the second insert 2. The bottom of the second insert 2 is provided with a bottom sliding block for positioning and assembling. The second insert 2 is internally processed to form a heat-insulating cavity 21 with a hollow structure, so that the back cavity of the second insert 2 is locally thinned, the cooling strength of the second insert 2 to the middle area of the rim is regulated and controlled, the feeding capacity of the middle area of the rim of the wheel hub blank is ensured, shrinkage porosity defects are improved, and the bending of the rim molded line or the casting quality of the wheel hub with a groove at the middle part of the rim is ensured.
Further, heat insulation materials such as heat insulation cotton are filled in the heat insulation cavity 21, and the feeding capacity of the middle area of the wheel hub blank wheel rim is further improved. The heat-insulating material is preferably heat-insulating cotton.
Further, as shown in fig. 4, the side die insert further comprises a third insert 3 arranged corresponding to the lower region of the rim of the hub casting, and the top of the third insert 3 is provided with a top slide block corresponding to the slide groove 12 of the second insert 2, so that the third insert 3 and the second insert 2 are assembled and assembled. Typically, the location where the lower region of the rim joins the spokes (i.e., the spoke root) is thicker due to the casting, and the cooling requirements are greater, while the cooling requirements are relatively less at the hub window. In order to ensure the cooling strength of the spoke root, poor cooling is avoided at the hub window, a segmented water channel 31 is arranged in the third insert 3 corresponding to the spoke of the hub casting, the length of the segmented water channel 31 covers the width direction of the spoke, the position of the hub casting window is located at the interval between two adjacent cooling water channels, the cooling water channels avoid the hub window, poor cooling of the cooling water channels to the hub casting window is prevented, and casting defects of the hub casting window are caused.
Further, set up heat insulating tank 32 in corresponding wheel hub foundry goods window position, further isolate the water course to the bad cooling of wheel hub foundry goods window position, make cooling channel key cooling spoke root position, not only accomplish accurate fixed point cooling, can also avoid the rim to cut off the problem.
The water inlet channel 33 and the water outlet channel 34 are arranged at two sides of the water channel and are used for flowing and discharging cooling water in the water channel. Meanwhile, fixing holes are formed in the middle and two sides of the third insert 3 and used for fixedly connecting the second insert 2 and the frame 10.
The bottom of the frame body 10 of the side die unit is provided with a chute 12 for sliding fit with a sliding block arranged on the bottom die, so that the side die unit can be positioned and assembled conveniently, and the assembly precision is improved.
As a preferred embodiment, the side form is formed by four side form units as shown in fig. 5.
The foregoing disclosure is merely illustrative of specific embodiments of this patent and this patent is not to be construed as limiting, since modifications will be apparent to those skilled in the art without departing from the principles of the utility model.
Claims (8)
1. The utility model provides a split type side form of wheel hub mould which characterized in that: the side die comprises a plurality of side die units, the side die units surround to form a side die whole body for hub casting, the side die units comprise a frame body (10), side die inserts for cooling dies are arranged in the frame body (10), and the side die inserts are of split structures which correspond to different areas of a rim and are arranged in a partitioned mode.
2. The hub die split sideform of claim 1, wherein: the side die insert comprises a first insert (1) which is arranged corresponding to the upper region of the rim, fixing holes for connecting the frame body (10) are formed in the middle and two sides of the first insert (1), and temperature measuring holes (11) for putting thermocouples are formed in positions, corresponding to the rim, of the first insert (1) where shrinkage porosity defects easily occur.
3. A hub die split sideform according to claim 2, wherein: the side die insert further comprises a second insert (2) which is arranged in the middle area of the rim and corresponds to the hub casting, and a heat preservation cavity (21) with a hollow structure is arranged in the second insert (2) and used for regulating and controlling the cooling intensity of the second insert (2) to the middle area of the rim.
4. A hub die split sideform according to claim 3, wherein: the heat preservation cavity (21) is filled with heat preservation materials.
5. The hub die split sideform of claim 4, wherein: the side die inserts further comprise third inserts (3) which are arranged in the lower portion area of the rim of the corresponding hub casting, segmented water channels (31) are arranged in the third inserts (3) corresponding to spokes of the hub casting, the lengths of the segmented water channels (31) cover the width direction of the spokes, and the position of a hub casting window is located between two adjacent segmented water channels (31), so that the cooling water channels reasonably avoid the position of the hub window.
6. The hub die split sideform of claim 5, wherein: and the third insert (3) is provided with a heat insulation groove (32) corresponding to the position of the hub casting window.
7. The hub die split sideform of claim 5, wherein: a sliding groove (12) and a sliding block structure for positioning and assembling are arranged between the side die inserts.
8. A hub die split sideform according to any one of claims 1-7, wherein: the bottom of the frame body (10) is provided with a sliding groove which is used for being in sliding fit with a sliding block arranged on the bottom die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320912773.1U CN219703466U (en) | 2023-04-21 | 2023-04-21 | Hub die split side die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320912773.1U CN219703466U (en) | 2023-04-21 | 2023-04-21 | Hub die split side die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219703466U true CN219703466U (en) | 2023-09-19 |
Family
ID=88003006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320912773.1U Active CN219703466U (en) | 2023-04-21 | 2023-04-21 | Hub die split side die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219703466U (en) |
-
2023
- 2023-04-21 CN CN202320912773.1U patent/CN219703466U/en active Active
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