CN108638750B - Hub assembly and method of manufacturing the same - Google Patents
Hub assembly and method of manufacturing the same Download PDFInfo
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- CN108638750B CN108638750B CN201810733949.0A CN201810733949A CN108638750B CN 108638750 B CN108638750 B CN 108638750B CN 201810733949 A CN201810733949 A CN 201810733949A CN 108638750 B CN108638750 B CN 108638750B
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- Prior art keywords
- hub
- blind hole
- template
- holes
- rim
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
- B60B21/12—Appurtenances, e.g. lining bands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/204—Shaping by moulding, e.g. injection moulding, i.e. casting of plastics material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/208—Shaping by forging
- B60B2310/2082—Shaping by forging by swaging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/50—Thermal treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2360/00—Materials; Physical forms thereof
- B60B2360/10—Metallic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/30—Increase in
- B60B2900/331—Safety or security
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a hub assembly and a manufacturing method thereof, wherein the hub assembly comprises a hub and a cushion block; a plurality of blind holes are formed in a rim of the hub; one end of the cushion block is located in the blind hole and filled with the blind hole, and the other end of the cushion block is located outside the hub. When the hub assembly is used, after a vehicle is blown out, the tire can be effectively supported through the cushion block, so that the phenomenon of unbalanced resistance on two sides of the vehicle is reduced, and the form stability and the safety performance of the vehicle are improved.
Description
Technical Field
The invention relates to a vehicle part, in particular to a hub assembly and a manufacturing method thereof.
Background
Along with the development of science and technology, more and more car is equipped with the vacuum child now, but this kind of vacuum child can lead to tire and wheel hub to break away from at flat child driving in-process, causes tire and wheel hub asynchronous, because braking system and a steering system are accomplished through control wheel hub, and flat child is gone will lead to the vehicle left and right sides atress uneven, can cause to turn to and brake out of control, very easily causes the traffic accident.
Disclosure of Invention
The present invention aims to provide a hub assembly and a method of manufacturing the same, which can effectively suppress the separation of a tire and a hub, and solve the above-mentioned technical problems.
The technical scheme adopted by the invention for solving the technical problems is as follows: a hub assembly comprising a hub and a spacer;
a plurality of blind holes are formed in a rim of the hub; one end of the cushion block is located in the blind hole and filled with the blind hole, and the other end of the cushion block is located outside the hub.
Optionally, the axes of the blind holes are all arranged along the radial direction of the hub.
Optionally, the blind hole is a stepped hole, and a diameter of the blind hole close to the axis of the hub is larger than a diameter of an opening of the blind hole on the outer surface of the rim.
Optionally, an annular groove is formed in the circumferential direction of the hub, and the annular groove is communicated with the plurality of blind holes formed in the hub.
Optionally, the axes of the blind holes are located on the same plane perpendicular to the axis of the hub and are uniformly distributed along the circumferential direction of the hub.
Optionally, the annular groove communicates with a portion of the blind hole having a larger diameter.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method of manufacturing the hub assembly includes:
s10, manufacturing a hub: the hub is prepared from magnesium alloy materials, firstly, the magnesium alloy blank is subjected to homogenizing annealing treatment, hydraulic die forging forming is carried out in an isothermal combined forming die, and the hub formed by the hydraulic die forging is cooled to room temperature in the air; then heating to 500 ℃ for solid solution and hardening, and then carrying out artificial aging treatment at 120-220 ℃ to obtain the magnesium alloy hub;
s20, processing a blind hole: drilling a blind hole on the rim surface of a hub by using a drilling machine, wherein the diameter of the blind hole is 10mm, and the depth of the blind hole is 5 mm; and expanding the inner diameter of the blind hole to 20mm by a boring mill, wherein the depth of the 20mm diameter section is 3 mm; forming an annular groove with the width of 2mm on the surface of a rim of the hub along the circumferential direction by using a milling machine, wherein the depth of the annular groove is 5 mm;
s30, installing an injection mold: installing an injection mold on a rim of a hub, wherein the injection mold comprises an upper template and a lower template; the upper template and the lower template are both semicircular, the inner ring surface of the upper template and the inner ring surface of the lower template are matched with the surface of the rim, and when the upper template and the lower template are combined together, the surface of the rim can be completely closed; accommodating spaces with the diameter of 30mm and the depth of 40mm are formed in the positions, corresponding to the blind holes, of the upper template and the lower template, a pouring gate is formed in the upper template, and the pouring gate is communicated with one of the accommodating spaces in the upper template;
upper bosses are formed at two circumferential ends of the upper template, and through holes are formed in the upper bosses; lower bosses are formed at two circumferential ends of the lower template, through holes are also formed in the lower bosses, and screws penetrate through the through holes in the upper bosses and the through holes in the lower bosses to fix the upper template and the lower template together;
s40 injection molding cushion block
The wheel hub and the injection mold are placed into a thermostat together, the temperature of the thermostat is kept at 200 ℃, after the injection molding machine melts the rubber, the melted rubber is extruded into the mold through an injection port of the injection molding machine, the rubber is filled in the blind hole and the accommodating space of the mold, and a cushion block is formed.
The invention has the following beneficial effects: when the hub assembly is used, after a vehicle is blown out, the tire can be effectively supported through the cushion block, so that the phenomenon of unbalanced resistance on two sides of the vehicle is reduced, and the form stability and the safety performance of the vehicle are improved.
Drawings
FIG. 1 is a schematic structural view of a hub of the present invention;
FIG. 2 is a schematic structural view of an injection mold of the present invention;
the notation in the figures means: 1-a hub; 2-cushion block; 3, mounting a template; 4-a containing space; 5-a pouring gate; 6-exhaust port.
Detailed Description
The technical solution of the present invention is further described below with reference to the following embodiments and the accompanying drawings.
Example 1
The present embodiments provide a hub assembly that includes a hub and a spacer.
The rim of the wheel hub is provided with a plurality of blind holes, in the embodiment, the axes of the blind holes are arranged along the radial direction of the wheel hub, in the embodiment, the blind holes are stepped holes, the diameter of the blind holes close to the axes of the wheel hub is larger than that of the openings of the blind holes in the outer surface of the wheel hub, and therefore the cross sections of the blind holes along the plane of the central axis of the blind holes are inverted T-shaped.
Moreover, an annular groove is formed in the circumferential direction of the hub and is communicated with a plurality of blind holes formed in the hub, and preferably, the annular groove is communicated with a part with a larger diameter of the blind hole.
One end of the cushion block is located in the blind hole and filled with the blind hole, and the other end of the cushion block is located outside the hub.
In this embodiment, the blind holes are arranged along the same circumferential circle of the hub, that is, on the same plane perpendicular to the axis of the hub, and are uniformly distributed along the circumferential direction of the hub.
More preferably, the number of the blind holes is 12, and a connecting member is arranged in the annular groove, and the connecting member connects two adjacent cushion blocks, for example, the cushion blocks and the connecting member are both made of rubber materials and are integrally formed, for example, by an injection molding method.
When the hub assembly is used, after a vehicle is blown out, the tire can be effectively supported through the cushion block, so that the phenomenon of unbalanced resistance on two sides of the vehicle is reduced, and the form stability and the safety performance of the vehicle are improved.
Example 2
The present embodiment provides a method for manufacturing a hub assembly according to embodiment 1, which includes:
and S10, manufacturing the hub.
In the embodiment, the wheel hub is formed by a hydraulic die forging method, wherein the wheel hub can be made of a magnesium alloy material, at this time, a magnesium alloy blank is subjected to homogenization annealing treatment, hydraulic die forging forming is performed in an isothermal combined forming die, and the wheel hub subjected to hydraulic die forging forming is cooled to room temperature in air; then heating to 500 ℃ for solid solution and hardening, and then carrying out artificial aging treatment at 120-220 ℃ to obtain the magnesium alloy hub; in this embodiment, preferably, the time of the solution treatment is 15 hours, and the time of the artificial aging is 48 hours.
S20 processing blind holes
Drilling a blind hole on the rim surface of a hub by using a drilling machine, wherein the diameter of the blind hole is 10mm, and the depth of the blind hole is 5 mm; and the inner diameter of the blind hole is enlarged to 20mm by a boring machine, and the depth of the 20mm diameter section is 3 mm.
An annular groove with the width of 2mm is formed in the rim surface of the hub along the circumferential direction through a milling machine, the depth of the annular groove is 5mm, namely the annular groove is identical to the depth of the blind holes, and therefore the blind holes are communicated with one another.
S30, installing an injection mold
Installing an injection mold on a rim of a hub, wherein the injection mold comprises an upper template and a lower template; the upper template and the lower template are both semicircular, the inner ring surface of the upper template and the inner ring surface of the lower template are matched with the surface of the rim, and when the upper template and the lower template are combined together, the surface of the rim can be completely closed; and accommodating spaces with the diameter of 30mm and the depth of 40mm are formed in the positions, corresponding to the blind holes, of the upper template and the lower template, a pouring gate is formed on the upper template, the pouring gate is communicated with one of the accommodating spaces on the upper template, and the other accommodating spaces are communicated with the atmosphere through an exhaust port.
Upper bosses are formed at two circumferential ends of the upper template, and through holes are formed in the upper bosses; lower bosses are formed at two circumferential ends of the lower template, through holes are also formed in the lower bosses, and screws penetrate through the through holes in the upper bosses and the through holes in the lower bosses to fix the upper template and the lower template together.
S40 injection molding cushion block
The wheel hub and the injection mold are placed into a thermostat together, the temperature of the thermostat is kept at 200 ℃, after the injection molding machine melts the rubber, the melted rubber is extruded into the mold through an injection port of the injection molding machine, the rubber is filled in the blind hole and the accommodating space of the mold, and a cushion block is formed.
S50, removing sprue rubber
The rubber of the gate was removed and the structure of all the blocks was kept the same.
The sequence of the above embodiments is only for convenience of description and does not represent the advantages and disadvantages of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (2)
1. A hub assembly comprising a hub and a spacer;
a plurality of blind holes are formed in a rim of the hub; the axes of the blind holes are arranged along the radial direction of the hub; the blind hole is a stepped hole, and the diameter of the blind hole close to the axis of the hub is larger than the diameter of an opening of the blind hole on the outer surface of the rim; the axes of the blind holes are positioned on the same plane perpendicular to the axis of the hub and are uniformly distributed along the circumferential direction of the hub;
an annular groove is formed in the circumferential direction of the hub and is communicated with a plurality of blind holes formed in the hub; the annular groove is communicated with the part with larger diameter of the blind hole;
one end of the cushion block is positioned in the blind hole and filled with the blind hole, and the other end of the cushion block is positioned outside the hub;
and a connecting piece is arranged in the annular groove and is used for connecting two adjacent cushion blocks.
2. A method of manufacturing a hub assembly according to claim 1, comprising:
s10, manufacturing a hub: the hub is prepared from magnesium alloy materials, firstly, the magnesium alloy blank is subjected to homogenizing annealing treatment, hydraulic die forging forming is carried out in an isothermal combined forming die, and the hub formed by the hydraulic die forging is cooled to room temperature in the air; then heating to 500 ℃ for solid solution and hardening, and then carrying out artificial aging treatment at 120-220 ℃ to obtain the magnesium alloy hub;
s20, processing a blind hole: drilling a blind hole on the rim surface of a hub by using a drilling machine, wherein the diameter of the blind hole is 10mm, and the depth of the blind hole is 5 mm; and expanding the inner diameter of the blind hole to 20mm by a boring mill, wherein the depth of the 20mm diameter section is 3 mm; forming an annular groove with the width of 2mm on the surface of a rim of the hub along the circumferential direction by using a milling machine, wherein the depth of the annular groove is 5 mm;
s30, installing an injection mold: installing an injection mold on a rim of a hub, wherein the injection mold comprises an upper template and a lower template; the upper template and the lower template are both semicircular, the inner ring surface of the upper template and the inner ring surface of the lower template are matched with the surface of the rim, and when the upper template and the lower template are combined together, the surface of the rim can be completely closed; accommodating spaces with the diameter of 30mm and the depth of 40mm are formed in the positions, corresponding to the blind holes, of the upper template and the lower template, a pouring gate is formed in the upper template, and the pouring gate is communicated with one of the accommodating spaces in the upper template;
upper bosses are formed at two circumferential ends of the upper template, and through holes are formed in the upper bosses; lower bosses are formed at two circumferential ends of the lower template, through holes are also formed in the lower bosses, and screws penetrate through the through holes in the upper bosses and the through holes in the lower bosses to fix the upper template and the lower template together;
s40 injection molding cushion block
The wheel hub and the injection mold are placed into a thermostat together, the temperature of the thermostat is kept at 200 ℃, after the injection molding machine melts the rubber, the melted rubber is extruded into the mold through an injection port of the injection molding machine, the rubber is filled in the blind hole and the accommodating space of the mold, and a cushion block is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810733949.0A CN108638750B (en) | 2018-07-06 | 2018-07-06 | Hub assembly and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810733949.0A CN108638750B (en) | 2018-07-06 | 2018-07-06 | Hub assembly and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108638750A CN108638750A (en) | 2018-10-12 |
| CN108638750B true CN108638750B (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810733949.0A Active CN108638750B (en) | 2018-07-06 | 2018-07-06 | Hub assembly and method of manufacturing the same |
Country Status (1)
| Country | Link |
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| CN (1) | CN108638750B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4173243A (en) * | 1975-10-17 | 1979-11-06 | Dunlop Limited | Safety tire and wheel rim assembly |
| CN100515804C (en) * | 2003-04-03 | 2009-07-22 | 重庆镁业科技股份有限公司 | Magnesium alloy hub manufacturing method |
| TWI262861B (en) * | 2005-03-22 | 2006-10-01 | Yue-Niu Chen | Improved reinforced structure for rim adapted for preventing tire from being punctured |
| CN205997650U (en) * | 2016-08-26 | 2017-03-08 | 东营龙鑫橡塑机械有限公司 | A kind of wheel rim with explosion prevention function |
| CN206485142U (en) * | 2016-12-12 | 2017-09-12 | 戴广平 | The internal supporting body for tyre that a kind of multiple-piece wheel rim is installed |
| CN207549847U (en) * | 2017-06-06 | 2018-06-29 | 合肥杰事杰新材料股份有限公司 | A kind of hub unit and wheel |
| CN207565237U (en) * | 2017-12-19 | 2018-07-03 | 江苏东方龙机车集团有限公司 | One kind is exempted to change tire wheel hub |
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2018
- 2018-07-06 CN CN201810733949.0A patent/CN108638750B/en active Active
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| Publication number | Publication date |
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| CN108638750A (en) | 2018-10-12 |
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