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Nanometer rubber clamping head

A nano-rubber and collet technology, applied in the direction of tool joints, chucks, etc., can solve the problems of unstable repeat positioning accuracy of elastic collets, affecting the machining stroke, wasting raw material costs, etc., saving energy and raw materials, and the overall structure. The effect of shortening and prolonging the service life

Inactive Publication Date: 2014-03-12
DONGGUAN BAIFANGJIANHANG MACHINERY PARTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary collets are integrally formed by steel, the steel will break after a period of use, and the service life is not long
Moreover, since the collet is an integrated structure, the sleeve structure connecting the main shaft must also be large to match. Therefore, the whole set of tooling of the common collet is large in size and heavy in weight, and requires a large power source, which affects machining. Defects such as travel, waste of raw materials and high cost
Moreover, the repeat positioning accuracy of the collet in the prior art is not stable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] like Figures 1 to 3 As shown, a nano-rubber chuck provided by the present invention includes a chuck body 1, the chuck body includes at least two jaws 2, the jaws 2 surround each other to form a middle hole 3, and the jaws 2 pass through the elastic layer 4 For connection, the material of the elastic layer 4 is nano-rubber.

[0024] Wherein, there are three jaws 2, and every two jaws 2 are connected by an elastic layer 4, and the elastic layers 4 form an angle of 120° with each other.

[0025] The thickness of the elastic layer 4 is 10mm.

[0026] Each jaw 2 comprises a base 21 and a jaw body 22 .

[0027] The side wall and the upper surface of each jaw main body 22 are provided with holes 5 . Wherein, the number of holes provided on the upper surface of the jaw main body 22 is two, and the holes 5 are blind holes.

[0028] The clamping jaws 2 and the elastic layer 4 are bonded together through the processing technology of hot-melt pasting, cooling and solidificati...

Embodiment 2

[0037] The difference from Embodiment 1 is that the thickness of the elastic layer 4 is 15mm.

[0038] The nano-rubber comprises the following components by weight: 90 parts of natural rubber, 3 parts of nano-copper powder, and 7 parts of epoxy resin glue. The average particle size of the nano copper powder is 300nm.

[0039] The preparation method of nanometer rubber comprises the following steps:

[0040] In the first step, first add 90 parts of natural rubber into the hot melting furnace, and after it is melted and boiled, add 3 parts of nano-copper powder and 7 parts of epoxy resin glue, and continue boiling for 2 hours to obtain a mixed slurry;

[0041] The second step is to pour the mixed slurry into the empty cylinder and vacuumize the vacuum to make the vacuum in the empty cylinder -0.3Mpa, so as to remove the air existing in the nano-rubber and prevent the formation of air bubbles and beads in the nano-rubber. Cool naturally and form nano-rubber after solidification...

Embodiment 3

[0044] The difference from Embodiment 1 is that the thickness of the elastic layer 4 is 5 mm.

[0045] The nano-rubber comprises the following components by weight: 85 parts of nitrile rubber, 5 parts of nano-copper powder, and 10 parts of acrylic emulsion. The average particle size of the nano copper powder is 500nm.

[0046] The preparation method of nanometer rubber comprises the following steps:

[0047] In the first step, first add 85 parts of nitrile rubber into a hot melting furnace, and after it is melted and boiled, add 5 parts of nano-copper powder and 10 parts of acrylic acid emulsion, and continue boiling for 3 hours to obtain a mixed slurry;

[0048] The second step is to pour the mixed slurry into the empty cylinder and vacuumize the vacuum to make the vacuum in the empty cylinder -0.8Mpa to remove the air existing in the nano-rubber and prevent the formation of air bubbles and pearls in the nano-rubber. Cool naturally and form nano-rubber after solidification....

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Abstract

The invention belongs to the technical field of elastic clamping heads and particularly relates to a nanometer rubber clamping head which comprises a clamping head body. The clamping head body comprises at least two clamping jaws which are combined in a surrounding mode to form a middle hole. The clamping jaws are connected through an elastic layer. The materials of the elastic layer are nanometer rubber. Compared with the prior art, the elastic layer made of the nanometer rubber is arranged between the clamping jaws, due to the good elasticity, the great mechanical property and the like of the nanometer rubber, the nanometer rubber clamping head has high stability in repeated clamping accuracy, and accuracy is higher. In addition, the nanometer rubber clamping head is short in structure and light in whole tool weight, so that the whole structure of a shaft sleeve of a connecting main shaft is greatly shortened, accordingly, energy and raw materials can be saved, main shaft load is lowered, lathe stroke is increased, assembling and disassembling are easy, the service life of the clamping head is prolonged, and economic benefit and working efficiency are improved greatly.

Description

technical field [0001] The invention belongs to the technical field of elastic collets, in particular to a nano-rubber collet. Background technique [0002] Elastic chuck, also known as elastic collet, is a drilling and milling chuck installed on drilling machines and milling machines. Its function is to clamp drills or milling cutters. Because ordinary collets are integrally formed by steel, the steel will break after a period of use, and the service life is not long. Moreover, since the collet is an integrated structure, the sleeve structure connecting the main shaft must also be large to match. Therefore, the whole set of tooling of the common collet is large in size and heavy in weight, and requires a large power source, which affects machining. Defects such as travel, waste of raw materials and high cost. Moreover, the repeated positioning accuracy of the collet in the prior art is not stable. Contents of the invention [0003] The purpose of the present invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B31/20B23B51/12
CPCB23B31/20B23B31/202B23B51/12
Inventor 杨建平
Owner DONGGUAN BAIFANGJIANHANG MACHINERY PARTS CO LTD