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A clamping method for CNC machining of six-sided machining parts

A surface processing and part installation technology, applied in metal processing machinery parts, metal processing, metal processing equipment and other directions, can solve the problems that have not yet appeared, affect the quality and efficiency of parts processing, and difficult to control the processing of parts, and reduce The effect of a large number of tool marks, improving processing efficiency and reducing the number of clamping times

Active Publication Date: 2020-09-11
CHENGDU AIRCRAFT INDUSTRY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The positioning and clamping errors of different tooling also make it difficult to control the part processing process, which seriously affects the part processing quality and efficiency
Currently, there are no effective solutions to these problems

Method used

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  • A clamping method for CNC machining of six-sided machining parts
  • A clamping method for CNC machining of six-sided machining parts
  • A clamping method for CNC machining of six-sided machining parts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of numerical control machining clamping method of six-sided machining parts, such as Figure 5 As shown, using part tooling for clamping mainly includes the following steps:

[0037] Step S200: install the tool inspection block in the tool inspection block placement hole 5 of the part tooling, and inspect the tool through the tool inspection block;

[0038] Step S300: After passing the inspection, process one or more of the upper, left, right, front and rear five surfaces of the part on the vertical-horizontal conversion machine tool;

[0039] Step S400: After the processing is completed, the part and the inspection block are removed; the processed surface of the part is clamped by the pressing support block and the pressing mechanism of the part tooling, and the part is pressed on the tooling installation positioning plate;

[0040] Step S500: Then repeat step S100, and process the first clamping surface and other unprocessed surfaces of the part.

[0041] Dur...

Embodiment 2

[0044] This embodiment is further optimized on the basis of Embodiment 1, and also includes step S100: threading the part blank on the tooling installation positioning plate of the part tooling; in the step S100, on the part blank, according to the blank margin, select Measure more planes and make 4 pressing holes, and tap the thread. The aperture of the pressing holes is consistent with the aperture of the screw hole on the positioning plate of the tooling.

[0045] In the present invention, screws are tightened upwards from the bottom of the mounting screw hole 3, and the blanks of the six-sided processing parts to be processed are locked on the installation positioning plate. The hindrance of processing facilitates the normal processing, so that the subsequent processing can be completed in one step, and the processing accuracy is increased. The reverse clamping of the screw can reduce the interference of the screw to the CNC machining process under the normal clamping metho...

Embodiment 3

[0048] This embodiment is further optimized on the basis of embodiment 2, as Figure 4 As shown, in the step S200, the tool reserved by the program passes through the tool length verification plane 18 of the tool inspection block to check whether the tool length is correct; the tool reserved by the program passes the bottom tooth of the tool inspection block to verify the curved surface Verify the bottom tooth and radius of the tool; after the processing in step S500 is completed, remove the tool inspection block, parts and pressing mechanism.

[0049] In the present invention, during use, the installation head 20 of the knife inspection block is installed in the placement hole 5 of the knife inspection block, and the knife passes the knife length verification plane 18 through the program to reserve a margin to check whether the knife length is correct; The measuring tool passes through the tool bottom tooth verification curved surface 19 to verify the bottom tooth and radius ...

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Abstract

The invention discloses a six-surface machining part numerical control machining clamping method. The method comprises the following steps: (S200) a cutter checking block is mounted in a cutter checking block placing hole of a part tool for checking a cutter; (S300) after the checking is passed, the machining of upper, left, right, front and back surfaces or multiple surfaces of parts is performedon a vertical-horizontal conversion machine tool; (S400) the parts and the cutter checking block are taken down after machining; the machined surfaces of the parts are clamped by adopting a pressingsupport block and a pressing mechanism of the part tool; and the parts are pressed on a tool mounting positioning plate; and (S500) the step (S100) is repeated; and the primary-clamped surfaces and un-machined surfaces of the parts are machined. The method solves the problem of need of multiple times of clamping of six-surface machining parts by multiple tools through an ordered clamping method, realizes machining of the six-surface machining parts through twice clamping, reduces errors caused by multiple times of clamping, improves the machining quality of the parts, and improves the machining efficiency.

Description

technical field [0001] The invention belongs to the technical field of machining tooling for six-sided machining parts, and in particular relates to a numerical control machining and clamping method for six-sided machining parts. Background technique [0002] With the development trend of large-scale and integrated aircraft structural parts, there are more and more complex and multi-faceted parts, and at the same time, the requirements for machining accuracy of parts are also getting higher and higher. These complex multi-faceted parts generally need to be processed multiple times, and after the parts are clamped many times, the accumulation of errors will lead to a large number of tool marks on the parts, which seriously affects the machining accuracy of the parts. When using traditional methods to process such parts, generally according to the characteristics of the parts, multiple special tooling is customized, and each side is processed with a special tooling, and multip...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/06B23Q15/22B23Q17/22
Inventor 张林周力周进
Owner CHENGDU AIRCRAFT INDUSTRY GROUP
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