CN100551606C - The forward and backward hub shell of bicycle is made the method for moulding - Google Patents
The forward and backward hub shell of bicycle is made the method for moulding Download PDFInfo
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- CN100551606C CN100551606C CNB2005101029351A CN200510102935A CN100551606C CN 100551606 C CN100551606 C CN 100551606C CN B2005101029351 A CNB2005101029351 A CN B2005101029351A CN 200510102935 A CN200510102935 A CN 200510102935A CN 100551606 C CN100551606 C CN 100551606C
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Abstract
The present invention is that the forward and backward hub shell of a kind of bicycle is made the method for moulding, and this preceding hub shell is finished via suppressing forming step, extrusion modling step, punching step, pre-shaping step and chamfering step; Then hub shell is via suppressing forming step, the extrusion modling step, the punching step, the rolling step, the reducing step, pre-shaping step and chamfering step are finished, and hub shell different from the past carries out extrusion modling processing after suppressing processing earlier again, except can obtaining the preferable dimensional accuracy of finishing product, more can go out its required structure and size via above-mentioned steps machine-shaping in the lump, be beneficial to follow-up associated component such as pivot, spoke, the assembly operation of pearl bowl, and before once finishing bicycle, the manufacturing of back hub shell and moulding allow the present invention can have the production cost that reduces the dealer.
Description
Technical field
The invention relates to the manufacturing forming method of bicycle assembly, and refer in particular to the manufacturing forming method of the forward and backward hub shell of bicycle.
Background technology
Hub shell is one of significant components of bicycle rim central authorities diversion section, and its shape is a body haply, forms circular floral disc in its both sides, and the perforation of the ring-type of being arranged in is arranged on the floral disc, uses for spoke and wears back assembly binding wheel rim.
A kind of hub shell manufacture method of often knowing such as Chinese patent the 91100323.1st application number a case, the manufacture of this hub shell is arranged in straight tube in the stamper, and after elder generation suppressed out general shape with straight tube, the semi-finished product after will suppressing again carried out last extrusion modling; Yet, make hub shell with above-mentioned processing method, it is made and can occur the bad disappearance of loading onto with subsequent group of quality in the process of processing, and asks for an interview following narration and explanation:
One, the hub shell total length after the machine-shaping, it often exceeds the maximum allowance value, the matched moulds tolerance when its reason has the mould matched moulds, the factors such as raw footage tolerance value of straight tube, and cause follow-up assembling to have the bad defective of quality.
They are two years old, in suppressing the process of moulding, the radial dimension of hub shell often has been offset original default value, exceeding aperture maximum allowance value can cause follow-up assembling that loosening disappearance takes place, do not reach aperture minimal tolerance value and then produce the excessively closely defective of assembly, therefore above-mentioned finished product often can't reach ideal dimensions and demand, and cause the fraction defective of finished product too high, make follow-up finished product need additionally carry out the processing of its size requirements, this not only wastes outside dealer's the machining period, more related increase dealer's cost burden.
Therefore, how the manufacturing forming method of the forward and backward hub shell of a kind of bicycle different from the past will be provided, and can obtain outside the preferable dimensional accuracy simultaneously, more via in the machine-shaping step, its in the lump machine-shaping go out required structure and size, being beneficial to the assembly operation of follow-up associated component, is at present one of target of being pursued of each tame academic research institution, manufacturer and developer, more the present inventor's research and development motivation place.
Summary of the invention
Main purpose of the present invention, hub shell was made the method for moulding before a kind of bicycle was provided, it is mainly suppressed forming step, B. extrusion modling step, C. punching step, D. pre-shaping step and E. chamfering step via A. and finishes, and hub shell different from the past carries out extrusion modling processing after suppressing processing earlier again, except can obtaining the preferable dimensional accuracy of finishing product, more can go out its required structure and size, be beneficial to the assembly operation of follow-up associated component such as pivot, spoke, pearl bowl via above-mentioned steps machine-shaping in the lump; Finish in regular turn by above-mentioned procedure of processing in addition, and once finished the manufacturing and the moulding of hub shell before the bicycle, so the present invention has the effect of the production cost that reduces the dealer.
Another main purpose of the present invention, provide a kind of bicycle post colored hub shell to make the method for moulding, A. suppressing forming step, B. extrusion modling step, C. punching step, D. rolling step, E. reducing step, F. pre-shaping step and G. chamfering step finishes, and hub shell different from the past carries out extrusion modling processing after suppressing processing earlier again, except can obtaining the preferable dimensional accuracy of finishing product, more can go out its required structure and size, be beneficial to the assembly operation of follow-up associated component such as pivot, spoke, pearl bowl via above-mentioned steps machine-shaping in the lump; Finish in regular turn by above-mentioned procedure of processing in addition, and once finished the manufacturing and the moulding of bicycle post colored hub shell, so the present invention has the effect of the production cost that reduces the dealer.
For achieving the above object, the technical solution used in the present invention is as follows:
Hub shell is made the method for moulding before a kind of bicycle, and it comprises the following steps:
A. suppress forming step, straight tube is suppressed be lageniform semi-finished product;
B. the extrusion modling step squeezes out floral disc with semi-finished product;
C. the punching step goes out several in the default place of half-finished floral disc punching processing and bore a hole, and the perforation on the floral disc is arranged in the form of a ring;
D. pre-shaping step cuts the half-finished end of finishing to default value;
E. the chamfering step is carried out chamfer machining to half-finished perforation peritreme;
By this, finish the preceding hub shell of bicycle and finish product.
Hub shell is made in the method for moulding before the above-mentioned bicycle, and the chamfering step can be before pre-shaping step, and elder generation carries out half-finished finishing after semi-finished product are processed chamfering structure again.
A kind of bicycle post colored hub shell is made the method for moulding, and it comprises the following steps:
A, suppress forming step, straight tube is suppressed be lageniform semi-finished product;
B, extrusion modling step squeeze out floral disc with semi-finished product;
C, punching step, punching processing goes out several perforation in the default place of half-finished floral disc, and the perforation on the floral disc is arranged in the form of a ring;
D, rolling step are carried out rolling processing to the close wherein end periphery of semi-finished product;
E, reducing step have the end of rolling processing to carry out reducing processing to semi-finished product;
F, pre-shaping step, the half-finished end of cutting finishing is to default value;
G, chamfering step are carried out chamfer machining to half-finished perforation peritreme;
By this, finish the bicycle post colored hub shell and finish product.
Above-mentioned bicycle post colored hub shell is made in the method for moulding, and the chamfering step can be before the reducing step, the order of change on demand, and after earlier semi-finished product being processed chamfering structure, carry out reducing processing again, carry out pre-shaping step at last.
Above-mentioned bicycle post colored hub shell is made in the method for moulding, and pre-shaping step can be before the reducing step, the order of change on demand, and, carry out reducing processing more earlier to behind the semi-finished product pre-shaping step, at last semi-finished product are processed chamfering structure.
Above-mentioned bicycle post colored hub shell is made in the method for moulding, and the chamfering step can be before pre-shaping step, the order of change on demand, and earlier semi-finished product are carried out reducing processing, and semi-finished product are being processed chamfering structure, at last semi-finished product are carried out pre-shaping step.
Above-mentioned bicycle post colored hub shell is made in the method for moulding, after the punching step finishes, and the order of change on demand, and carry out earlier carrying out rolling step, reducing step and pre-shaping step again after the chamfering step.
Beneficial effect of the present invention is: the forward and backward hub shell of bicycle of the present invention is made the method for moulding, and wherein preceding hub shell is finished via suppressing forming step, extrusion modling step, punching step, pre-shaping step and chamfering step; Then spend hub via suppressing forming step, the extrusion modling step, the punching step, the rolling step, the reducing step, pre-shaping step and chamfering step are finished, the present invention's hub shell different from the past carries out extrusion modling processing after suppressing processing earlier again, except can obtaining the preferable dimensional accuracy of finishing product, more can go out its required structure and size via above-mentioned steps machine-shaping in the lump, be beneficial to follow-up associated component such as pivot, spoke, the assembly operation of pearl bowl, and before once finishing bicycle, the manufacturing of back hub shell and moulding allow the present invention can have the effect of the production cost that reduces the dealer.
Description of drawings
Fig. 1 the present invention makes preceding hub shell block diagram;
Fig. 2 straight tube schematic diagram of the present invention;
Fig. 3 straight tube of the present invention becomes the semi-finished product schematic diagram after suppressing;
Fig. 4 semi-finished product of the present invention are through the extruding schematic diagram;
Fig. 5 semi-finished product of the present invention are through the punching schematic diagram;
Fig. 6 semi-finished product of the present invention schematic diagram after repairing;
Fig. 7 the present invention finishes the product schematic diagram after chamfering;
Fig. 8 the present invention makes back hub shell block diagram;
Fig. 9 straight tube schematic diagram of the present invention;
Become the semi-finished product schematic diagram after Figure 10 straight tube economy-combat extruding of the present invention;
Figure 11 semi-finished product of the present invention are through the extruding schematic diagram;
Figure 12 semi-finished product of the present invention are through the punching schematic diagram;
Figure 13 semi-finished product of the present invention schematic diagram after repairing;
Figure 14 semi-finished product of the present invention schematic diagram behind rolling;
Figure 15 semi-finished product of the present invention schematic diagram after reducing;
Figure 16 the present invention finishes the product schematic diagram after chamfering;
11 straight tubes, 12 semi-finished product
14 perforation of 13 floral discs
15 chamferings
21 straight tubes, 22 semi-finished product
24 perforation of 23 floral discs
25 chamferings
The specific embodiment
Below by specific embodiment accompanying drawing in addition, the present invention is described in detail:
At first make the method for moulding, see also Fig. 2 to shown in Figure 7 for hub shell before describing bicycle in detail;
A. suppress forming step; Earlier straight tube 11 (processing material) is arranged in the preset die, suppresses forming step, by the die cavity of preset die, the semi-finished product 12 that make straight tube be suppressed being the cucurbit shape, as shown in Figure 3;
B. extrusion modling step; Then, semi-finished product 12 are sent to and carry out the extrusion modling step, allow semi-finished product 12 extrusion modlings go out floral disc 13 structures, as shown in Figure 4;
C. punching step; Extrusion modling is gone out to have the semi-finished product 12 of floral disc 13 structures, and the perforation 14 that its floral disc 13 punching processing are gone out predetermined quantity as shown in Figure 5 in graphic, and bored a hole and 14 is arranged in the form of a ring on the floral disc 13;
D. pre-shaping step; After treating that semi-finished product 12 are finished punching processing, and then each end of cutting finishing semi-finished product 12 allows the end of semi-finished product 12 (meet size requirements) to default value, as shown in Figure 6, is beneficial to the assembly operation of assemblies such as follow-up central siphon, bead abuttal, pearl bowl;
E. chamfering step; At last, will carry out chamfer machining to its 14 peritremes of boring a hole, and had chamfering 15 structures by be allowed perforation 14 peritremes, as shown in Figure 7, use for the quick and tight assembly combination of spoke with the semi-finished product 12 that cut finishing.
By this, promptly finish the product of finishing of the preceding hub shell of bicycle, and hub shell is made the method for moulding before the bicycle of the present invention, hub shell different from the past carries out extrusion modling processing after suppressing processing earlier again, except can obtaining the preferable dimensional accuracy of finishing product, more can go out its required structure and size via above-mentioned steps machine-shaping in the lump, be beneficial to the assembly operation of follow-up associated component such as pivot, spoke, pearl bowl, and once finish the manufacturing and the moulding of hub shell before the bicycle, make the present invention have the effect of the production cost that reduces the dealer.
In addition, the present invention is by going out chamfering 15 in perforation 14 peritreme machine-shapings, and can provide width of cloth bar to finish between the two assembling operation fast, and promotes follow-up packaging efficiency and effectively promote dealer's production capacity;
In addition, the present invention can carry out the chamfering step earlier to the semi-finished product 12 of hub shell before the bicycle, process chamfering 15 structures after, carry out half-finished pre-shaping step again.
Then, the method for bicycle post colored hub shell manufacturing moulding is described, sees also Fig. 8 to shown in Figure 16;
A. suppress forming step; Earlier straight tube 21 (processing material) is arranged in the preset die, suppresses forming step,, make straight tube be suppressed and be lageniform semi-finished product 22, as shown in figure 10 by the die cavity of preset die;
B. extrusion modling step; Then, semi-finished product 22 are sent to and carry out the extrusion modling step, allow semi-finished product 22 extrusion modlings go out floral disc 23 structures, as shown in figure 11;
C. punching step; Extrusion modling is gone out to have the semi-finished product 22 of floral disc 23 structures, and the perforation 24 that its floral disc 23 punching processing are gone out predetermined quantity as shown in Figure 12 in graphic, and bored a hole and 24 is arranged in the form of a ring on the floral disc 23;
D. rolling step; Then, semi-finished product 22 are carried out rolling processing near end peripheries wherein, make to meet size requirements after this end periphery processing;
E. reducing step; After treating that semi-finished product 22 are finished rolling processing, and then there is the end of rolling processing to carry out reducing processing to semi-finished product 22, allow the radial dimension of semi-finished product 22 ends to default value, (meet size requirements), as shown in Figure 13 figure, be beneficial to the assembly operation of assemblies such as follow-up central siphon, bead abuttal, pearl bowl;
F. pre-shaping step; Finishing processing is cut in the end of semi-finished product 22, it is reached in the default value (meeting size requirements);
G. chamfering step; At last, will carry out chamfer machining to its 24 peritremes of boring a hole, and had chamfering 25 structures by be allowed perforation 24 peritremes, as shown in Figure 7, use for the quick and tight assembly combination of spoke with the semi-finished product 22 that cut finishing.
By this, promptly finish the product of finishing of bicycle post colored hub shell, and bicycle post colored hub shell of the present invention is made the method for moulding, hub shell different from the past carries out extrusion modling processing after suppressing processing earlier again, except can obtaining the preferable dimensional accuracy of finishing product, more can go out its required structure and size via above-mentioned steps machine-shaping in the lump, be beneficial to the assembly operation of follow-up associated component such as pivot, spoke, and once finish the manufacturing and the moulding of bicycle post colored hub shell, allow the present invention can have the effect of the production cost that reduces the dealer.
In addition, the present invention is by going out chamfering 25 in perforation 24 peritreme machine-shapings, and can provide width of cloth bar to finish between the two assembling operation fast, and promotes follow-up packaging efficiency and effectively promote dealer's production capacity;
And the present invention utilize the rolling step to semi-finished product 22 wherein an end periphery carry out rolling processing, make this end periphery after processing, not only meet the demand of size, more can make this end periphery compacting and combine closely, and relatively promptly promote its intensity in conjunction with the density height; The present invention can not only promote the yield of finished product in view of the above, has more characteristics such as volume production is quick, intensity is good.
In addition, in the semi-finished product machine-shaping step of the present invention to the bicycle post colored hub shell, finishing reducing step, pre-shaping step and chamfering step in regular turn finishes, also above-mentioned three kinds of steps can be changed on demand its order, make it have diversified machine-shaping pattern, and can achieve the above object equally, and have its characteristics and effect;
For example:
The chamfering step can be before the reducing step, the order of change on demand, and after earlier semi-finished product being processed chamfering structure, carry out reducing processing again, carry out pre-shaping step at last;
Pre-shaping step can be before the reducing step, the order of change on demand, and, carry out reducing processing more earlier to behind the semi-finished product pre-shaping step, at last semi-finished product are processed chamfering structure;
The chamfering step can be before pre-shaping step, the order of change on demand, and earlier semi-finished product are carried out reducing processing, and semi-finished product are being processed chamfering structure, at last semi-finished product are carried out pre-shaping step.
In addition, the present invention can carry out earlier carrying out rolling step, reducing step and pre-shaping step again after the chamfering step after the punching step finishes.
In sum, the forward and backward hub shell of bicycle of the present invention is made the method for moulding, and wherein preceding hub shell is finished via suppressing forming step, extrusion modling step, punching step, pre-shaping step and chamfering step; Then spend hub via suppressing forming step, the extrusion modling step, the punching step, the rolling step, the reducing step, pre-shaping step and chamfering step are finished, in view of the above, the present invention's hub shell different from the past carries out extrusion modling processing after suppressing processing earlier again, except can obtaining the preferable dimensional accuracy of finishing product, more can go out its required structure and size via above-mentioned steps machine-shaping in the lump, be beneficial to follow-up associated component such as pivot, spoke, the assembly operation of pearl bowl, and before once finishing bicycle, the manufacturing of back hub shell and moulding allow the present invention can have the effect of the production cost that reduces the dealer; So practicality of the present invention should be unquestionable, the disclosed structure of the embodiment of the invention in addition, be not seen in publication before the application, also not public use, hereat, novelty of the present invention, progressive all meet again, and the whence proposes the application of patent of invention in accordance with the law, earnestly hope and give examination and grant quasi patent early, the true feeling moral just.
Claims (7)
1, hub shell is made the method for moulding before a kind of bicycle, it is characterized in that this method comprises the following steps:
A, suppress forming step, straight tube is suppressed be lageniform semi-finished product;
B, extrusion modling step squeeze out floral disc with semi-finished product;
C, punching step, punching processing goes out several perforation in the default place of half-finished floral disc, and the perforation on the floral disc is arranged in the form of a ring;
D, pre-shaping step, the half-finished end of cutting finishing is to default value;
E, chamfering step are carried out chamfer machining to half-finished perforation peritreme;
By this, finish the preceding hub shell of bicycle and finish product.
2, hub shell is made the method for moulding before the bicycle according to claim 1, it is characterized in that: the chamfering step can be before pre-shaping step, and elder generation carries out half-finished finishing after semi-finished product are processed chamfering structure again.
3, a kind of bicycle post colored hub shell is made the method for moulding, it is characterized in that, comprises the following steps:
A, suppress forming step, straight tube is suppressed be lageniform semi-finished product;
B, extrusion modling step squeeze out floral disc with semi-finished product;
C, punching step, punching processing goes out several perforation in the default place of half-finished floral disc, and the perforation on the floral disc is arranged in the form of a ring;
D, rolling step are carried out rolling processing to the close wherein end periphery of semi-finished product;
E, reducing step have the end of rolling processing to carry out reducing processing to semi-finished product;
F, pre-shaping step, the half-finished end of cutting finishing is to default value;
G, chamfering step are carried out chamfer machining to half-finished perforation peritreme;
By this, finish the bicycle post colored hub shell and finish product.
4, bicycle post colored hub shell according to claim 3 is made the method for moulding, it is characterized in that: the chamfering step can be before the reducing step, the order of change on demand, and after earlier semi-finished product being processed chamfering structure, carry out reducing processing again, carry out pre-shaping step at last.
5, bicycle post colored hub shell according to claim 3 is made the method for moulding, it is characterized in that: pre-shaping step can be before the reducing step, the order of change on demand, and after earlier semi-finished product being carried out pre-shaping step, carry out reducing processing again, at last semi-finished product are processed chamfering structure.
6, bicycle post colored hub shell according to claim 3 is made the method for moulding, it is characterized in that: the chamfering step can be before pre-shaping step, the order of change on demand, and earlier semi-finished product are carried out reducing processing, again semi-finished product are processed chamfering structure, at last semi-finished product are carried out pre-shaping step.
7, bicycle post colored hub shell according to claim 3 is made the method for moulding, it is characterized in that: after the punching step finishes, and the order of change on demand, and carry out earlier carrying out rolling step, reducing step and pre-shaping step again after the chamfering step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101029351A CN100551606C (en) | 2005-09-14 | 2005-09-14 | The forward and backward hub shell of bicycle is made the method for moulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101029351A CN100551606C (en) | 2005-09-14 | 2005-09-14 | The forward and backward hub shell of bicycle is made the method for moulding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1730232A CN1730232A (en) | 2006-02-08 |
| CN100551606C true CN100551606C (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005101029351A Active CN100551606C (en) | 2005-09-14 | 2005-09-14 | The forward and backward hub shell of bicycle is made the method for moulding |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101347888B (en) * | 2007-07-21 | 2010-09-29 | 谢德源 | Hub pressing mold |
| CN101961827A (en) * | 2010-08-12 | 2011-02-02 | 李良有 | Novel process for manufacturing bicycle axle hub |
| CN103101396A (en) * | 2011-11-11 | 2013-05-15 | 永克达工业股份有限公司 | Improved flower hub manufacturing method and improved flower hub structure |
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Effective date of registration: 20210324 Address after: 1st floor, 140-1 Nanmei lane, Hesheng street, Shigang District, Taichung, Taiwan, China Patentee after: Neco Technology Industry Co.,Ltd. Address before: Taichung County, Taiwan, China Patentee before: BITEX INDUSTRIAL Co.,Ltd. |
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