CN104386187A - Processing technique of pulley bicycle frames - Google Patents
Processing technique of pulley bicycle frames Download PDFInfo
- Publication number
- CN104386187A CN104386187A CN201410708662.4A CN201410708662A CN104386187A CN 104386187 A CN104386187 A CN 104386187A CN 201410708662 A CN201410708662 A CN 201410708662A CN 104386187 A CN104386187 A CN 104386187A
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- CN
- China
- Prior art keywords
- connecting portion
- fork
- welding
- axle crotch
- connecting part
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a processing technique of pulley bicycle frames. The processing technique includes the steps of performing spot welding and full-length welding on a front shaft fork in a front shaft fork fixture; manufacturing an upper fork of a rear shaft fork according to a required size, cutting the middle of the upper fork into three parts, namely an upper connecting part, a middle connecting block and a connecting part sequentially from top to bottom, each having a sectional angle of relative 45 degrees, welding reinforcing connecting seals at breaks of the upper connecting part and the lower connecting part, and fixedly connecting the middle connecting bloc to the reinforcing connecting seals on the upper connecting part and the lower connecting part through screws perpendicular to the breaks; performing spot welding and full-length welding on the rear shaft fork in a rear shaft fork fixture; assembling the front shaft fork and the rear shaft fork in an assembly fixture, and performing spot welding prior to full-length welding. The three parts of the upper fork of the rear shaft fork are assembled and connected, the technical structure is attractive, and strength of a bicycle body is improved.
Description
Technical field
The present invention relates to a kind of bicycle processing technology, particularly relate to a kind of belt pulley cycle frame processing technology.
Background technology
Belt pulley bicycle is the bicycle using belt pulley to replace sprocket wheel, this kind of bicycle is in fitting process, because belt pulley will be inserted in rear axle crotch, and belt pulley has the property of can not be split again, therefore need the upper fork of rear axle crotch or lower fork to split, existing way uses plate structure, and be fixedly connected with, facilitate belt pulley to penetrate, but this kind of structural manufacturing process unsightly, and intensity is poor.
Summary of the invention
Technical matters to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of process structure attractive in appearance, improves the belt pulley cycle frame processing technology of intensity.
The present invention is achieved by the following technical programs:
A kind of belt pulley cycle frame processing technology, comprises the steps:
A. front axle crotch is put into the spot welding of front axle fork frame mould, then full weld;
B. after the upper fork of rear axle crotch being pressed required size preparation, be three parts by breaking in the middle part of it, be followed successively by connecting portion from top to bottom, middle part contiguous block and lower connecting portion, the angle of section is relative miter angle direction, shutoff is in succession strengthened in upper connecting portion and the welding of lower connecting portion incision position, middle part contiguous block by the reinforcement perpendicular to screw and the upper connecting portion of section and lower connecting portion in succession shutoff be fixedly connected with;
C. rear axle crotch is put into the weldering of rear axle crotch mould mid point, then full weld;
D. front axle crotch and rear axle crotch are assembled in assembly jig, spot welding is full weld then.
The invention has the beneficial effects as follows:
Because three sections fit of the upper fork by rear axle crotch connect, namely the reinforcement shutoff be in succession connected with upper connecting portion, middle part contiguous block and the reinforcement that is connected with lower connecting portion in succession shutoff are fixedly connected with by the screw perpendicular to section, make process structure attractive in appearance, improve the intensity of car body.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is the main TV structure schematic diagram of upper fork of the present invention.
In figure: 1. rear axle crotch, pitch 2., 3. go up connecting portion, contiguous block 4., 5. descends connecting portion, 6. strengthens shutoff in succession, 7. screw.
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing and most preferred embodiment, the present invention is described in further detail.
As shown in the figure, processing technology of the present invention, comprises the steps:
A. front axle crotch is put into the spot welding of front axle fork frame mould, then full weld;
B. after the upper fork of rear axle crotch being pressed required size preparation, be three parts by break in the middle part of the upper fork 2 of yoke frame 1 thereafter, be followed successively by connecting portion 3 from top to bottom, middle part contiguous block 4 and lower connecting portion 5, the angle of section is relative miter angle direction, shutoff in succession 6 is strengthened in upper connecting portion and the welding of lower connecting portion incision position, described middle part contiguous block by the reinforcement perpendicular to screw 7 and the upper connecting portion of section and lower connecting portion in succession shutoff be fixedly connected with.
C. rear axle crotch is put into the weldering of rear axle crotch mould mid point, then full weld;
D. front axle crotch and rear axle crotch are assembled in assembly jig, spot welding is full weld then.
Because three sections fit of the upper fork by rear axle crotch connect, namely the reinforcement shutoff be in succession connected with upper connecting portion, middle part contiguous block and the reinforcement that is connected with lower connecting portion in succession shutoff are fixedly connected with by the screw perpendicular to section, make process structure attractive in appearance, improve the intensity of car body.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. a belt pulley cycle frame processing technology, is characterized in that, comprises the steps:
A. front axle crotch is put into the spot welding of front axle fork frame mould, then full weld;
B. after the upper fork of rear axle crotch being pressed required size preparation, be three parts by breaking in the middle part of it, be followed successively by connecting portion from top to bottom, middle part contiguous block and lower connecting portion, the angle of section is relative miter angle direction, shutoff is in succession strengthened in upper connecting portion and the welding of lower connecting portion incision position, middle part contiguous block by the reinforcement perpendicular to screw and the upper connecting portion of section and lower connecting portion in succession shutoff be fixedly connected with;
C. rear axle crotch is put into the weldering of rear axle crotch mould mid point, then full weld;
D. front axle crotch and rear axle crotch are assembled in assembly jig, spot welding is full weld then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708662.4A CN104386187A (en) | 2014-11-28 | 2014-11-28 | Processing technique of pulley bicycle frames |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708662.4A CN104386187A (en) | 2014-11-28 | 2014-11-28 | Processing technique of pulley bicycle frames |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104386187A true CN104386187A (en) | 2015-03-04 |
Family
ID=52604175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410708662.4A Pending CN104386187A (en) | 2014-11-28 | 2014-11-28 | Processing technique of pulley bicycle frames |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104386187A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334003A (en) * | 2021-05-21 | 2021-09-03 | 佛山市顺德区天轴车料有限公司 | Welding technology for firmly welded bicycle frame |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813591A (en) * | 1988-04-04 | 1989-03-21 | Schwinn Bicycle Company | Method of fabricating a rear fork assembly for a bicycle and drop out bracket therefor |
| CN1526601A (en) * | 2003-09-20 | 2004-09-08 | 大连理工大学 | Production process of magnesium alloy bicycle frame |
| JP2006290139A (en) * | 2005-04-11 | 2006-10-26 | Matsushita Electric Ind Co Ltd | Bicycle and its manufacturing method |
| CN200951811Y (en) * | 2006-09-20 | 2007-09-26 | 太宇工业股份有限公司 | Vehicle frame component of bicycle |
| CN201023629Y (en) * | 2007-04-29 | 2008-02-20 | 陈志刚 | Electric vehicle body rear horizontal fork |
| CN203450283U (en) * | 2013-08-01 | 2014-02-26 | 大行科技(深圳)有限公司 | Folding connector for rod pieces |
-
2014
- 2014-11-28 CN CN201410708662.4A patent/CN104386187A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813591A (en) * | 1988-04-04 | 1989-03-21 | Schwinn Bicycle Company | Method of fabricating a rear fork assembly for a bicycle and drop out bracket therefor |
| CN1526601A (en) * | 2003-09-20 | 2004-09-08 | 大连理工大学 | Production process of magnesium alloy bicycle frame |
| JP2006290139A (en) * | 2005-04-11 | 2006-10-26 | Matsushita Electric Ind Co Ltd | Bicycle and its manufacturing method |
| CN200951811Y (en) * | 2006-09-20 | 2007-09-26 | 太宇工业股份有限公司 | Vehicle frame component of bicycle |
| CN201023629Y (en) * | 2007-04-29 | 2008-02-20 | 陈志刚 | Electric vehicle body rear horizontal fork |
| CN203450283U (en) * | 2013-08-01 | 2014-02-26 | 大行科技(深圳)有限公司 | Folding connector for rod pieces |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334003A (en) * | 2021-05-21 | 2021-09-03 | 佛山市顺德区天轴车料有限公司 | Welding technology for firmly welded bicycle frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |
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| RJ01 | Rejection of invention patent application after publication |