Pipe fitting forming method for motorcycle frame
A forming method and motorcycle technology, applied in bicycle accessories, transportation and packaging, etc., can solve the problems of wrong bending size and springback of pipe fittings, and achieve the effect of reducing elastic deformation
Active Publication Date: 2019-04-16
重庆鑫劲宏景机械有限公司
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Problems solved by technology
Among them, the bending part is the difficulty of pipe fittings processing. Conventional bending processing is generally adjusted at room temperature, and the pipe fittings bending device is used to bend the pipe fittings. During the bending process, the pipe fitting itself has stress, and it is easy to rebound under the action of the stress after the pipe fitting is removed, which will easily cause the bending size of the pipe fitting to be wrong
Method used
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[0028] Further detailed explanation through specific implementation mode below:
[0029] The reference signs in the accompanying drawings of the description include: processing table 10, strip groove 101, installation part 111, bending part 121, rotating part 131, fan-shaped groove 102, slide groove 103, exit groove 104, mold 20, curved surface 201 , clamping block 30, guide frame 301, guide rail 302, roller 303, annular cavity 304, bump 305, clamping hole 306, wedge 307, spring 308, high-frequency heating coil 401, fixed ring 402, compression spring 403, Extension spring 404, pipe fitting 50.
[0030] The operation process of the pipe fitting forming method for the motorcycle frame in the embodiment is basically as attached figure 1 As shown, the specific steps are as follows:
[0031] Step 1: Prepare several pipes 50 to be bent.
[0032] Step 2: Prepare a basic as attached figure 2 , attached image 3 And attached Figure 4 The shown bending equipment includes a proce...
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The invention relates to the field of motorcycles, particularly discloses a pipe fitting forming method for a motorcycle frame. The pipe fitting forming method comprises the following steps that a pipe fitting preparing step; a bending equipment preparing step, wherein the bending equipment comprises a machining table, a power supply, a plurality of high-frequency heating coils, a plurality of fixing rings and a mold with a curved surface, the upper surface of the machining table is provided with a strip-shaped groove for containing the pipe fitting and a fan-shaped groove for allowing the endof the pipe fitting to rotate, one side of the strip-shaped groove communicated with one side of the straight edge of the fan-shaped groove, the fixed rings are coaxially and slidably arranged in thestrip-shaped groove, and the high-frequency heating coils are fixedly arranged in the fixed rings, and the high-frequency heating coils communicated with the power supply; the mold is fixedly arranged in the fan-shaped groove, and the bending surface of the mold is opposite to the fixing rings; a pipe fitting mounting step, a pipe fitting heating step, a pipe fitting bending step and a pipe fitting cooling and dismounting step. According to the scheme, the pipe fitting can be bent, and meanwhile the rebounding capacity of the pipe fitting after being bent is reduced.
Description
technical field [0001] The invention belongs to the field of motorcycles, and in particular relates to a pipe fitting forming method for motorcycle frames. Background technique [0002] The frame of a motorcycle is the outline of the entire vehicle, which can integrate the engine, gearbox, battery, shock absorber, seat, etc. together. In addition, the frame also bears the weight of the occupant, the inertial influence during acceleration and deceleration, and the deformation during cornering. According to whether the frame is composed of pipe fittings or sheet metal parts, the frame can be divided into a plate frame and a tube frame. Among them, the tubular frame is connected by welding and threading of several pipe fittings. The installation method of each pipe fitting is relatively simple, and the processing technology of the pipe fittings is mature. It is a common type of frame on the market. [0003] Among them, when processing the pipe fittings in the tubular frame, o...
Claims
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IPC IPC(8): B21D7/00B21D7/16B21D53/86
CPCB21D7/00B21D7/162B21D53/86
Inventor 杨建华
Owner 重庆鑫劲宏景机械有限公司