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Clamping tool for machining large link rod

A technology for clamping tools and connecting rods, which is applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of high processing cost, non-reusable, inconvenient assembly and disassembly, and achieve high-precision processing and simple structure , Ease of use

Inactive Publication Date: 2008-08-13
HUDONG HEAVY MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] ② Fixtures or process blocks that are welded at the end of the workpiece are often destructive when removed, so they generally cannot be reused, and the processing cost is high;
[0007] ③The method of inlaying the stuffy cover has the disadvantages of inconvenient assembly and disassembly, unstable processing performance and poor reliability;
[0008] ④ Welding and assembly and disassembly of the stuffy cover require the cooperation of multiple types of work, which will lead to low processing efficiency and high labor intensity for operators

Method used

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  • Clamping tool for machining large link rod
  • Clamping tool for machining large link rod
  • Clamping tool for machining large link rod

Examples

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Embodiment 1

[0032] A preferred embodiment of the present invention is a clamping tool used when processing a connecting rod car of a large marine diesel engine. The clamping tool is a matching clamp composed of a connecting rod upper end clamp 1 and a connecting rod lower end clamp 2 .

[0033] Please see Fig. 2 and Fig. 3. Fig. 2 is an axial right view of the connecting rod upper end fixture in a clamping tool for processing large connecting rods according to the present invention, and Fig. 3 is a device for processing large connecting rods according to the present invention. Assembly cutaway view of the upper link clamp in the clamp tool. It can be seen from the figure that the connecting rod upper end clamp 1 includes a rectangular plate-shaped body 12, four corners of the body 12 are provided with four screw holes 121 penetrating both sides, and four bolts 16 are connected from the body respectively. One side of 12 penetrates four bolt holes 121 in the same direction and is fixed in f...

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Abstract

A clamping tool used for machining large connection-rod is composed of a fixture A for the upper end of connection-rod and a fixture B for the lower end of connection-rod. Said fixture a consists of a rectangular main plate body, 4 screw bolts passing through said main body, a nut fixed in the center on one surface of main body, and a push rod with one end engaged with said nut. Said fixture B consists of two sub-fixtures comprising a steel tube and the jaw sleeve fixed to middle of said steel tube.

Description

technical field [0001] The invention relates to mechanical processing, in particular to a clamping tool for processing large connecting rods. Background technique [0002] The connecting rod of a large marine low-speed diesel engine is the core connection and transmission part of the marine diesel engine. The connecting rod is heavy and has a tuning fork-shaped structure at both ends, with a semicircular notch at both ends. When this kind of connecting rod is finished turning on a large lathe, it cannot be directly rolled and held by a four-jaw chuck at the head end, and the other end cannot be pushed into the semicircular gap due to the insufficient extension length of the tailstock thimble on the lathe. in the fixed hole. [0003] In the prior art, the process for turning and clamping large-scale workpieces with larger and deeper cavities at the ends of diesel engine connecting rods is generally: add a fixture or a process block to each end of the connecting rod with a ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/00B23B5/00
Inventor 汝文斌郑伟萍姚火珍
Owner HUDONG HEAVY MACHINERY