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End clamping structure of machine tool workpiece and processing technology using the structure

A technology of clamping structure and workpiece, applied in metal processing equipment, metal processing mechanical parts, clamping and other directions, can solve the problems of difficult to achieve the same axis, influence of coaxiality, cumbersome workpiece processing process, etc., to achieve convenient installation , Improve the effect of machining accuracy

Active Publication Date: 2019-09-17
捷而科电材(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During processing, one of the body 01 is clamped first, and the other side is processed. After processing, the clamping position is changed before processing. The workpiece processing needs to be clamped twice. On the one hand, the processing of the workpiece becomes easier. It is cumbersome. At the same time, when the workpiece is replaced and clamped, it is difficult to achieve the same axis, so the coaxiality of both ends after processing will be affected, which will affect the quality of product production.

Method used

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  • End clamping structure of machine tool workpiece and processing technology using the structure
  • End clamping structure of machine tool workpiece and processing technology using the structure
  • End clamping structure of machine tool workpiece and processing technology using the structure

Examples

Experimental program
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Effect test

Embodiment 1

[0045] A clamping structure for the end of a machine tool workpiece is mainly used for machining. Such as figure 1 Shown is the structural diagram of the workpiece to be processed. During processing, in order to make the outer circle more convenient during processing, let it be adsorbed and fixed at the end. Such as figure 2 and image 3 As shown, the structure includes a main shaft for driving the workpiece to rotate, and an end clamping device 2 is installed on the main shaft, and the workpiece is processed by the end clamping device 2, and it is processed following the rotation of the main shaft. Wherein, the end clamping device 2 includes a clamping assembly 3 for clamping a workpiece and an adsorption assembly 4 for providing an adsorption force for the clamping assembly 3. The clamping assembly 3 includes a fixing tube 31 and a clamping component communicating with the fixing tube 31. The head 32 and the clamping head 32 are fixed to the main shaft, and the adsorptio...

Embodiment 2

[0055] A clamping structure for the workpiece end of a machine tool, which is generally the same as that of Embodiment 1, the difference lies in the arrangement between the fixed pipe 31 and the clamping head 32 . Such as Figure 6 As shown, in Embodiment 2, the fixed tube 31 is passed through the bracket 33 so that it can slide on the bracket 33. One end of the fixed tube 31 is equipped with a tapered head 311 for matching with the tapered mouth 324, and the other end It communicates with the adsorption assembly 4 , and it can communicate with the connecting pipe 42 through direct fixed communication, or through a rotary joint 44 . An extruding mechanism 6 is arranged between the fixed tube 31 and the hollow main shaft 1. The extruding mechanism 6 includes an inner shaft 61 placed inside the hollow main shaft 1 and an abutment ring 62 arranged on the outer edge of the fixed tube 31. An elastic member 63 is provided between the ring 62 and the inner shaft 61 , and other struc...

Embodiment 3

[0058] A clamping structure for the workpiece end of a machine tool, the difference from Embodiment 1 lies in the arrangement between the fixed pipe 31 and the clamping head 32 . main reference Figure 8 , in Embodiment 3, the fixed pipe 31 is rotatably connected to the bracket 33 in Embodiment 1, that is, the fixed pipe 31 and the bracket 33 can be connected through bearings, and the fixed pipe 31 is inserted into the clamping head 32 Fix it so that it communicates the adsorption assembly 4 with the clamping piece, and the connecting pipe 42 of the adsorption assembly 4 is connected to it in rotation. Meanwhile, a rotary joint 44 is provided between the fixed pipe 31 and the connecting pipe 42 to connect. The rotary joint 44 includes a through hole 441 arranged at the end of the fixed pipe 31 and a sleeve joint 442 sleeved on the fixed pipe 31. The sleeve joint 442 is sleeved on the fixed pipe 31 and is rotatably connected with the fixed pipe 31. In addition, the sleeve join...

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Abstract

The invention relates to the technical field of machining, and discloses a machine tool workpiece end portion clamping structure and a machining process adopting the machine tool workpiece end portionclamping structure. The structure comprises a main shaft. An end portion clamping device is arranged on the main shaft and comprises a clamping assembly and an adsorption assembly, wherein the clamping assembly is used for clamping a workpiece, and the adsorption assembly is used for providing adsorption force for the clamping assembly. The clamping assembly comprises a fixing tube and a clampinghead communicating with the fixed tube. The clamping head is fixed to the main shaft. The adsorption assembly communicates with the fixed tube and provides adsorption force for the clamping head to adsorb and clamp the workpiece. The clamping head can adsorb the workpiece through the adsorption assembly so as to achieve the purpose of clamping the workpiece. The clamping head is fixed to the mainshaft, so that the clamping head can rotate, and then the workpiece can be driven to rotate for machining. In the machining process, a clamp does not clamp the workpiece in the circumferential direction, and the workpiece can be machined in the circumferential direction by just one time, so that the machining precision is improved; and in addition, clamping marks are not generated, and the production efficiency and the production quality are improved.

Description

technical field [0001] The invention relates to the technical field of mechanical processing, more specifically, it relates to a clamping structure for the workpiece end of a machine tool and a processing technology using the structure. Background technique [0002] In the process of machining, rod parts generally need to process both ends of the rod. At present, the existing machine tools are generally equipped with a main shaft on one side of the frame, and a three-jaw chuck is installed at the end of the main shaft to clamp the workpiece, and then the tool at the other end is moved to the position of the workpiece to process its core. During this process, the spindle drives the workpiece to rotate, allowing the rotating workpiece to come into contact with the tool for processing. At this time, the tool can only process one end of the workpiece, and many times we need to process both ends of the workpiece. Therefore, the workpiece needs to be taken off, and then processed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/12B23Q3/08B23P15/00
Inventor 钱曙光
Owner 捷而科电材(上海)有限公司