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Pneumatic expanding core clamping device for lathe and its operation method

A technology of clamping device and operation method, which is applied in the direction of expanding the mandrel, etc., can solve the problems of complex operation steps, long clamping time, and affecting production efficiency, and achieve a clear and simple overall structure, reliable structure, and uniform force Effect

Active Publication Date: 2016-11-23
盐城市大丰区生产力促进中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the existing technology, when the lathe is turning the workpiece, most of the operations are to drill a bolt hole on the side wall of the turning chuck, and then manually adjust the bolt to perform the pressing operation. Such operation steps are too Complicated, manual tightening and clamping, long clamping time, high labor intensity of workers, reliability of workpiece clamping is greatly affected by workers' emotions, and affects production efficiency

Method used

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  • Pneumatic expanding core clamping device for lathe and its operation method
  • Pneumatic expanding core clamping device for lathe and its operation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] This embodiment provides a pneumatic core expansion clamping device for a lathe, the structure of which is as follows: figure 1 and 2 As shown, it includes a clamping mechanism, a fixed seat 3, a cylinder fixed seat 13 and a driving mechanism arranged in sequence along the horizontal direction. The cylinder fixed seat 13 is vertically arranged and the fixed seat 3 and the driving mechanism are respectively fixed on its two sides. It is a horizontal hollow structure and a rotary transmission mechanism is hidden inside it. The rotary transmission mechanism passes through the cylinder fixing seat 13 and the clamping mechanism and the driving mechanism are fixedly connected through the rotary transmission mechanism.

[0037] In this embodiment: the drive mechanism includes a nut seat 15 fixed on the side of the cylinder fixed seat 13 away from the fixed seat 3. The nut seat 15 is horizontally hollow and has a rectangular thread on its inner surface. The diameter of the rec...

Embodiment 2

[0043] This embodiment provides the operation method of the pneumatic core expansion clamping device of the lathe in the above-mentioned embodiment 1, as follows: the operation of the pneumatic core expansion clamping device of the lathe is controlled by a pedal switch;

[0044] In the static state, the piston rod 14 shrinks in the cylinder 18, injects lithium-based grease accounting for one-third of the effective space between the bearing seat 5 and the rotating shaft 4 and seals it through the skeleton oil seal 20, and periodically replenishes it. Lithium-based grease is injected, usually replenished once every 6 months;

[0045] Step on the pedal switch, the air inlet of the cylinder 18 takes in air, and the air outlet exits. The piston rod 14 extends vertically upwards from the cylinder 18, driving the rocking arm to rotate counterclockwise. Under the action of the rectangular thread of the nut seat 15, the rocking arm Move outward along the axial direction of the main sha...

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Abstract

The invention discloses a pneumatic core expansion clamping device for a lathe. The clamping device includes a clamping mechanism, a fixing seat, a cylinder fixing seat and a driving mechanism arranged in sequence along the horizontal direction. The fixing seat is a horizontal hollow structure and a rotating transmission mechanism Hidden inside it, the rotary transmission mechanism passes through the fixed seat of the cylinder and the clamping mechanism and the driving mechanism are fixedly connected through the rotary transmission mechanism. Through the linkage action, the driving device pulls the rotary transmission mechanism and then drives the clamping mechanism to complete the clamping and loosening of the workpiece. Opening process; the present invention also designs an operating method of a pneumatic core clamping device for a lathe; the clamping device and its operating method designed in the present invention use pneumatic core clamping instead of manually tightening bolts for clamping, and the structure is simple. The operation is convenient, the cost is low, the labor intensity is reduced, the clamping process is stable and controlled, the time for lathe processing and clamping is greatly shortened, and the production efficiency of the lathe is improved.

Description

technical field [0001] The invention relates to a pneumatic expanding core clamping device for a lathe and an operating method thereof. Background technique [0002] A lathe is a machine tool that is mainly used for turning a rotating workpiece with a turning tool. On the machine tool, drills, reaming drills, dumpling knives, taps, dies and knurling tools can also be used for corresponding processing. The workpiece is processed quickly and conveniently. When the lathe processes the workpiece, the workpiece needs to be clamped. [0003] The old technology generally uses three-jaw positioning clamping when clamping the workpiece. Due to the large batch of workpieces, the turning speed of the original three-jaw positioning is slow, the time for clamping a workpiece is long, and the production efficiency is low; at the same time, the three-jaw positioning clamp It is easy to wear during the tightening process, and the self-centering accuracy is not high. The three-jaw cantileve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B31/42
CPCB23B31/4053
Inventor 高军刘剑沈丹富束必宏陈杰
Owner 盐城市大丰区生产力促进中心