Apparatus and method for processing crankshaft balance weight shape
A technology of shape processing and processing method, applied in positioning devices, metal processing equipment, metal processing machinery parts, etc. Effect
Active Publication Date: 2019-10-25
SHANNXI DIESEL ENGINE HEAVY IND
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Problems solved by technology
[0004] In order to solve the technical problems of out-of-tolerance dimensions, time-consuming, labor-intensive, low efficiency and high cost during the machining of the existing crankshaft balance weight parts, the present invention provides a crankshaft balancer that prevents out-of-tolerance in dimensions, saves time and effort, has high efficiency, and is low in cost. Apparatus and method for processing heavy shape
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[0027] The crankshaft balance weight shape processing device comprises a positioning block one 5, a positioning block two 9, a positioning block three 13, an axle 6, a first positioning pin 7, and a second positioning pin 8.
[0028] like Figure 3-5 As shown, the middle position of the positioning block one 5 has a shaft hole 14, the upper end has a first positioning pin installation groove 15, and the lower end has a second positioning pin installation groove 16.
[0029] like Image 6 As shown, there are two through holes on the positioning block two 9, which are respectively a through hole one 17 and a through hole two 18. The structure of the positioning block three 13 is the same as that of the positioning block two 9, and is also provided with two through holes, which are respectively through hole three and through hole four.
[0030] Figure 7 Shown is a schematic view of the structure of the first positioning pin 7 , and the structure of the second positioning pin ...
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The invention relates to an appearance machining device and method for a crankshaft counterweight. According to the appearance machining device and method for the crankshaft counterweight, the technical problems that during existing appearance machining for a crankshaft counterweight part, the oversize phenomenon exists, time and labor are wasted, efficiency is low and cost is high are solved. The appearance machining device comprises a first positioning block, a second positioning block, a third positioning block, a shaft, a first positioning pin and a second positioning pin. A shaft hole is formed in the middle portion of the first positioning block, a first positioning pin installation groove is formed in the upper end of the first positioning block, and a second positioning pin installation groove is formed in the lower end of the first positioning block. A first through hole and a second through hole are formed in the second positioning block. A third through hole and a fourth through hole are formed in the third positioning block. The shaft comprises a base and a connecting part, the base is used for being connected with a machine tool worktable, and the connecting part is used for being connected with the shaft hole in the first positioning block. The appearance machining device and method are widely used for appearance group machining of crankshaft balance weight parts and machining of other similar parts.
Description
technical field [0001] The invention relates to the technical field of mechanical processing, in particular to a crankshaft balance weight shape processing device and method. Background technique [0002] In the field of diesel engine technology, the crankshaft balance weight part is one of the key parts of the diesel engine. The part is semi-circular arc-shaped, and the blank is a forging. -15mm), and the shape margin is uneven, which brings great difficulties to machining, and makes the shape processing of crankshaft balance weight parts a technical bottleneck. [0003] Refer to the drawings in the manual figure 1 , the processing size of the shape is R565mm, because the distance between the center of R565mm and the upper end of the part is 170mm, and the width of the part is 820mm, when processing the shape, there will be a deviation because the center line of this size (R565 dot) is the space size, and the outer dimension of the part is R565mm It is a two-section arc p...
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IPC IPC(8): B23Q3/06
CPCB23Q3/062
Inventor 麻阿妍
Owner SHANNXI DIESEL ENGINE HEAVY IND