CN114347267A - Processing method of carbocycle - Google Patents
Processing method of carbocycle Download PDFInfo
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- CN114347267A CN114347267A CN202111626272.9A CN202111626272A CN114347267A CN 114347267 A CN114347267 A CN 114347267A CN 202111626272 A CN202111626272 A CN 202111626272A CN 114347267 A CN114347267 A CN 114347267A
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Abstract
The invention discloses a processing method of a carbon ring, which comprises a frame and a five-way joint arranged on the frame, wherein the five-way joint comprises a five-way through hole, and the processing method comprises the following steps: providing the carbon ring, wherein the carbon ring is reserved with an inner diameter processing amount; arranging the carbon ring at the end part of the inner wall of the five-way through hole; providing a detachable jig, wherein the jig penetrates through the five-way through hole and fixes the five-way on the substrate; fixing the other parts of the frame except the five-way joint; and after the jig is disassembled, carrying out inner diameter processing on the carbon ring so as to achieve the required inner diameter size. This design wears to establish the concentricity of two terminal surfaces of five-way through-hole assurance five-way through the tool after the frame shaping, fixes other positions of frame again, and the back is dismantled to the tool like this, and two terminal surfaces of five-way through-hole still can keep concentric, and this design can guarantee to add man-hour to the carbocycle of leaving the internal diameter machining volume, and the machining precision is high, and internal diameter dimensional tolerance is less.
Description
Technical Field
The invention relates to the field of bicycles, in particular to a processing method of a carbon ring.
Background
The existing common processing method of the carbon fiber bicycle five-way tube is to directly embed carbon rings in two ends of a through hole of the five-way tube, after molding, the dimensional tolerance of the inner diameter of each carbon ring can only be controlled to be 0.05 +/-0.1 mm, and when the requirement on the dimensional tolerance is higher, for example, the tolerance of the carbon rings needs to be controlled to be 0.05mm, the existing process cannot meet the requirement.
Disclosure of Invention
The invention aims to provide a processing method of a carbon ring, which can greatly reduce the dimensional tolerance.
In order to achieve the purpose, the invention provides a processing method of a five-way joint, which comprises a frame and the five-way joint arranged on the frame, wherein the five-way joint comprises a five-way through hole, and the processing method is characterized by comprising the following steps of:
providing a carbon ring, wherein the carbon ring is reserved with inner diameter processing amount;
arranging a carbon ring at the end part of the inner wall of the five-way through hole;
providing a detachable jig, wherein the jig penetrates through the five-way through hole and fixes the five-way on the substrate;
fixing the other parts of the frame except the five-way joint;
after the jig is disassembled, the carbon ring is subjected to inner diameter machining so as to reach the required inner diameter size.
Preferably, the frame is carbon fiber composite construction, sets up the carbocycle and includes at the inner wall tip step of five-way through-hole: and embedding the carbon ring into the end part of the inner wall of the five-way through hole.
Preferably, the jig comprises an insertion rod, an intermediate piece and a fixing piece; the inserted bar is columnar, one end of the inserted bar extends outwards to form a step part, and the step part is clamped with the end part of the five-way pipe; the middle piece is provided with a connecting through hole, the fixing piece is provided with a fixing groove hole, and the other end of the inserted bar penetrates through the five-way through hole and the connecting through hole and abuts against the inside of the fixing groove hole.
Preferably, the base plate is provided with an installation groove, and the fixing piece is embedded in the installation groove.
Specifically, the intermediate piece is columnar, and the lateral wall of intermediate piece is equipped with the dismantlement hole.
Preferably, the step of fixing the frame except the five-way comprises the following steps: and fixing the other parts of the frame except the five-way on the base plate through a fixing clamp.
Preferably, the other parts of the frame except the five-way joint comprise a head pipe, a seat pipe and a rear fork, the seat pipe and the rear fork are fixed through a cylinder, and the head pipe is fixed on the base plate through a fixing clamp.
Preferably, the step of machining the inside diameter of the carbon ring to achieve the desired inside diameter dimension comprises:
performing side milling on the carbon ring by using a first cutter;
and reaming the carbon ring by using a second cutter to reach the required inner diameter size.
Preferably, the first cutter and the second cutter are all diamond-impregnated cutters.
Preferably, the inner diameter machining amount is 0.575mm on one side.
Compared with the prior art, after the frame is formed, the jig penetrates through the five-way through hole to ensure the concentricity of the two end surfaces of the five-way, and other parts of the frame are fixed, so that after the jig is disassembled, the two end surfaces of the five-way through hole can still keep concentric, and the design can ensure that the carbon ring with the inner diameter machining amount is machined, the machining precision is high, and the inner diameter dimensional tolerance is small.
Drawings
Fig. 1 is a schematic structural diagram of a fixed frame in a carbon ring processing method according to an embodiment of the present invention.
Fig. 2 is a structural diagram of a carbon ring in a method of processing the carbon ring according to an embodiment of the present invention.
Fig. 3 is an exploded view of fig. 1.
Fig. 4 is another exploded view of fig. 1.
Detailed Description
In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following detailed description is given with reference to the embodiments and the accompanying drawings.
As shown in fig. 1 to 4, an embodiment of the present invention provides a processing method of a carbon ring, including a frame 1 and a five-way joint 2 disposed on the frame 1, where the five-way joint 2 includes a five-way through hole 21, and the processing method includes the following steps:
s100, providing a carbon ring 3, wherein an inner diameter machining amount is reserved in the carbon ring 3;
s200, arranging the carbon ring 3 at the end part of the inner wall of the five-way through hole 21;
s300, providing a detachable jig 4, wherein the jig 4 penetrates through the five-way through hole 21 and fixes the five-way pipe 2 on the substrate 5;
s400, fixing other parts of the frame 1 except the five-way joint 2;
s500, after the jig 4 is disassembled, inner diameter machining is carried out on the carbon ring 3 to achieve the required inner diameter size.
According to the embodiment of the invention, after the frame is formed, the jig penetrates through the five-way through hole to ensure the concentricity of the two end surfaces of the five-way, and other parts of the frame are fixed, so that after the jig is disassembled, the two end surfaces of the five-way through hole can still keep concentric, and the design can ensure that the processing precision is high and the dimensional tolerance of the inner diameter is smaller when a carbon ring with the inner diameter processing amount is processed.
Specifically, as shown in fig. 2, in step S100, the carbon ring 3 with a certain inner diameter is manufactured, and the inner diameter machining amount is reserved, for example, in order to manufacture a carbon ring with an inner diameter of 45.95mm, the carbon ring 3 with an inner diameter of 44.80mm needs to be prepared first, so that the inner diameter machining amount of 0.575mm is reserved on a single side, and a space is reserved for subsequent precise machining.
As shown in fig. 3, in the embodiment of the present invention, the frame 1 has a carbon fiber composite structure, and the step S200 includes embedding the carbon ring 3 into an end portion of an inner wall of the five-way through hole 21. The specific embedding process is a conventional technique of those skilled in the art, and will not be described herein again, after embedding, since the composite material has variation after temperature reduction, the inner diameter is generally larger, and the inner diameter of the carbon ring 3 is between 44.80mm and 44.85 mm.
It should be noted that in other embodiments, the carbon ring and the five-way tube can be connected by other processes, for example, directly integrating the carbon ring and the five-way tube without preparing the carbon ring in advance.
As shown in fig. 1 to 4, in step S300 of the embodiment of the present invention, the jig 4 includes an insertion rod 41, an intermediate member 42 and a fixing member 43, the insertion rod 41 is cylindrical, an outer diameter of the insertion rod 41 is smaller than an inner diameter of the carbon ring 3, one end of the insertion rod 41 extends outward to form a step 411, the step 411 is engaged with an end of the five-way tube 2, the intermediate member 42 is cylindrical, the intermediate member 42 is axially provided with a connecting through hole 421, the fixing member 43 is provided with a fixing slot 431, the other end of the insertion rod 41 penetrates through the five-way through hole 21, the connecting through hole 421 and abuts against the fixing slot 431, the substrate 5 is provided with an installation groove 51, the fixing member 43 is embedded in the installation groove 51 and fixedly connected to the substrate 5, for example, the fixing member 43 and the substrate 5 are connected by a bolt, an outer sidewall of the intermediate member 42 is provided with a dismounting hole 422, when the jig 4 is disassembled, the insertion rod 41 is taken out, the insertion pin is inserted into the disassembling hole 422 to serve as a handle, the middle piece 42 is taken out from the side, and finally the fixing piece 43 is taken down.
As shown in fig. 1 to 4, step S400 of the embodiment of the present invention includes fixing the other parts of the frame 1 except the five-way tube 2 on the base plate 5 by fixing clamps, specifically, the other parts of the frame 1 except the five-way tube 2 include a head tube 6, a seat tube 7 and a rear fork 8, the head tube 6 is a hollow tube, the head tube 6 is fixed by a first fixing clamp 9, the first fixing clamp 9 includes a connecting rod 91, two limiting rings 92, two first bases 93 and two first latches 94 engaged with the two first bases 93, the length of the connecting rod 91 is greater than the length of the head tube 6, the connecting rod 91 is inserted into the hollow cavity of the head tube 6, the limiting rings 92 are installed at two ends of the head tube 6 to limit the movement of the head tube 6 along the connecting rod 91, the first bases 93 and the first latches 94 are movably connected, for example, the first bases 93 are hinged to the first latches 94, the first base 93 is detachably and fixedly connected to the base plate 5, fitting surfaces matched with the outer wall of the connecting rod 91 are arranged on the first base 93 and the first clamping pieces 94 to firmly fix the connecting rod 91, and two ends of the connecting rod 91 are connected to the first base 93 and are pressed and fixed through the first clamping pieces 94 to limit the head pipe 6 to move up and down. The seat tube 7 is fixed by a second fixing clamp 10, the second fixing clamp 10 includes a second base 101 and a second clamping piece 102 which are movably connected, the second base 101 is detachably and fixedly connected to the substrate 5, mating surfaces matched with the outer wall of the seat tube 7 are arranged on the second base 101 and the second clamping piece 102 to more firmly fix the seat tube 7, the seat tube 7 is connected to the second base 101 and is pressed and fixed by the second clamping piece 102 to limit the seat tube 7 to move up and down, the rear fork 8 is fixed by a third fixing clamp 11, the rear fork 8 includes a first fork 81 and a second fork 82, the third fixing clamp 11 is provided with a third base 111, a third clamping piece 112 and an L-shaped adapter plate 113, the third base 111 is detachably connected to the substrate 5 by an L-shaped adapter plate 113, and two mating surfaces respectively matched with the outer wall of the first fork 81 and the outer wall of the second fork 82 are arranged on the third base 111 and the third clamping piece 112 to more firmly fix the first fork 81 and the second fork 82 And a fork 82, wherein the first fork 81 and the second fork 82 are connected to the third base 111 and are fixed by the third latch 112 to restrict the up-and-down movement of the rear fork 8.
After the two ends of the five-way are concentrically fixed on the substrate through the jig, the head tube, the seat tube and the rear fork are respectively fixed on the substrate through the first fixing clamp, the second fixing clamp and the third fixing clamp, and therefore after the jig is disassembled, the head tube, the seat tube and the rear fork can keep stable structures and concentricity of the two sides of the five-way is not changed.
In some other embodiments, the fixing may be performed by a first fixing clamp, a second fixing clamp and a third fixing clamp of other structures as long as the fixing can be ensured and the concentricity of the two ends of the five-way joint can be ensured, for example, the seat tube and the rear fork are fixed by an air cylinder, and the head tube is fixed on the substrate by the first fixing clamp.
In still other embodiments, the portions of the frame other than the bottom bracket may not be limited to the head tube, the seat tube, and the rear fork, but may be fixed to other portions of the frame as long as a stable connection is ensured.
In the embodiment of the present invention, step S500 includes:
s501, performing side milling on the carbon ring by using a first cutter;
and S502, reaming the carbon ring by adopting a second cutter to reach the required inner diameter size.
Specifically, the first cutter is a carborundum cutter with the diameter of 25.00mm, the second cutter is a carborundum cutter with the diameter of 45.95mm, the carbocycle is subjected to side milling rough machining through the first cutter, and after machining is finished, the diameter of the carbocycle is 45.90 mm; and then, directly reaming by a knife through a second cutter to form a carbon ring with the inner diameter of 45.95 mm. The adoption of the carborundum cutter can ensure that the inner wall is smooth.
According to the embodiment of the invention, after the frame is glued and molded, the carbon rings are embedded in the two ends of the five-way, the jig penetrates through the five-way through hole to ensure the concentricity of the two end surfaces of the five-way, namely the concentricity of the two carbon rings, and then other parts of the frame are fixed, so that the two end surfaces of the five-way through hole can still keep concentric after the jig is disassembled, and the design can ensure that the carbon rings with inner diameter machining amount are machined, the machining precision is high, the inner diameter dimensional tolerance is small, and the control can be controlled within 0.05 mm.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the present invention, which is therefore intended to cover all equivalent changes and modifications within the scope of the present invention.
Claims (10)
1. A processing method of a carbon ring comprises a frame and a five-way joint arranged on the frame, wherein the five-way joint comprises a five-way through hole, and is characterized by comprising the following steps:
providing the carbon ring, wherein the carbon ring is reserved with an inner diameter processing amount;
arranging the carbon ring at the end part of the inner wall of the five-way through hole;
providing a detachable jig, wherein the jig penetrates through the five-way through hole and fixes the five-way on the substrate;
fixing the other parts of the frame except the five-way joint;
and after the jig is disassembled, carrying out inner diameter processing on the carbon ring so as to achieve the required inner diameter size.
2. The method for processing a carbon ring according to claim 1, wherein the frame has a carbon fiber composite structure, and the step of disposing the carbon ring at the end of the inner wall of the five-way through hole comprises:
and embedding the carbon ring into the end part of the inner wall of the five-way through hole.
3. The method of claim 1, wherein said fixture comprises an insert rod, an intermediate member and a fixing member; the inserting rod is columnar, one end of the inserting rod extends outwards to form a step part, and the step part is clamped with the end part of the five-way pipe; the middle piece is provided with a connecting through hole, the fixing piece is provided with a fixing groove hole, and the other end of the inserting rod penetrates through the five-way through hole, the connecting through hole and abuts against the inside of the fixing groove hole.
4. A method for manufacturing a carbon ring as claimed in claim 3, wherein a mounting groove is formed on the substrate, the fixing member is embedded in the mounting groove, and the fixing member is detachably and fixedly connected to the substrate.
5. A method of making a carbon ring as claimed in claim 3 wherein said intermediate member is cylindrical and has a removal hole in an outer sidewall thereof.
6. A method of making a carbon ring as claimed in claim 1, wherein said step of fixing the portion of said frame other than said bottom bracket includes:
and fixing the other parts of the frame except the five-way on the base plate through a fixing clamp.
7. A method of manufacturing a carbon ring as claimed in claim 1, wherein the frame except the five-way tube includes a head tube, a seat tube, and a rear fork, the seat tube and the rear fork are fixed by a cylinder, and the head tube is fixed to the base plate by a fixing jig.
8. A method of processing a carbon ring as claimed in claim 1, wherein the step of machining the carbon ring to a desired inside diameter dimension comprises:
performing side milling on the carbon ring by using a first cutter;
and reaming the carbon ring by using a second cutter to reach the required inner diameter size.
9. A method of carbon ring processing as claimed in claim 8, wherein said first and second tools are diamond-impregnated cutters.
10. A method of processing a carbocycle of claim 1, wherein said inner diameter is processed 0.575mm unilateral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111626272.9A CN114347267B (en) | 2021-12-27 | 2021-12-27 | Process for preparing carbocycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111626272.9A CN114347267B (en) | 2021-12-27 | 2021-12-27 | Process for preparing carbocycles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114347267A true CN114347267A (en) | 2022-04-15 |
| CN114347267B CN114347267B (en) | 2024-01-02 |
Family
ID=81103085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111626272.9A Active CN114347267B (en) | 2021-12-27 | 2021-12-27 | Process for preparing carbocycles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114347267B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2675541Y (en) * | 2003-12-10 | 2005-02-02 | 林胜源 | The structure of the bicycle shaft tube |
| CN1817730A (en) * | 2006-02-17 | 2006-08-16 | 于克儒 | Magnesium alloy frame tube and production method of frame tube and frame |
| US20070114752A1 (en) * | 2005-09-08 | 2007-05-24 | Chao-Yao Ko | Method of making a composite bicycle frame and a jig device used in the method |
| CN101254810A (en) * | 2007-03-02 | 2008-09-03 | 明安国际企业股份有限公司 | Five-way pipe device of bicycle and manufacturing method thereof |
| TWM373870U (en) * | 2009-09-03 | 2010-02-11 | meng-hao Ji | Hub switching structure for a five-way tube of a bicycle frame |
| CN202657185U (en) * | 2012-05-15 | 2013-01-09 | 厦门坤骑复材科技有限公司 | Composite bottom bracket shell of bicycle |
| CN215151011U (en) * | 2021-01-06 | 2021-12-14 | 深圳市喜德盛碳纤科技有限公司 | Processing jig, frame five-way processing device and frame five-way |
-
2021
- 2021-12-27 CN CN202111626272.9A patent/CN114347267B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2675541Y (en) * | 2003-12-10 | 2005-02-02 | 林胜源 | The structure of the bicycle shaft tube |
| US20070114752A1 (en) * | 2005-09-08 | 2007-05-24 | Chao-Yao Ko | Method of making a composite bicycle frame and a jig device used in the method |
| CN1817730A (en) * | 2006-02-17 | 2006-08-16 | 于克儒 | Magnesium alloy frame tube and production method of frame tube and frame |
| CN101254810A (en) * | 2007-03-02 | 2008-09-03 | 明安国际企业股份有限公司 | Five-way pipe device of bicycle and manufacturing method thereof |
| TWM373870U (en) * | 2009-09-03 | 2010-02-11 | meng-hao Ji | Hub switching structure for a five-way tube of a bicycle frame |
| CN202657185U (en) * | 2012-05-15 | 2013-01-09 | 厦门坤骑复材科技有限公司 | Composite bottom bracket shell of bicycle |
| CN215151011U (en) * | 2021-01-06 | 2021-12-14 | 深圳市喜德盛碳纤科技有限公司 | Processing jig, frame five-way processing device and frame five-way |
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| Publication number | Publication date |
|---|---|
| CN114347267B (en) | 2024-01-02 |
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