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Floating reamer holder

A technology of reamer and clamping seat, applied in the direction of clamping, supporting, positioning device, etc., can solve the problems of large entrance, high rejection rate, easy generation of radial runout, etc., and achieve the goal of eliminating radial runout error and improving machining accuracy. Effect

Active Publication Date: 2011-06-15
荣振兴
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the reamer is reaming, due to the limitation of the machine tool itself and the precision of the spindle, it is easy to produce radial runout, so the processed hole diameter error is large, and the rejection rate is high, so that the production and quality pass rate cannot be guaranteed.
If the machine tool is not properly maintained or has a long service life, the greater the radial runout, the poorer the reaming quality
In addition, the reamed hole processed by the existing reamer is prone to problems such as large entrance, small center, and poor roundness. Therefore, it is necessary to improve the clamping and fixing structure of the existing reamer to improve the accuracy of reaming.

Method used

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] figure 1 It is a structural schematic diagram of the floating holder of the straight shank reamer of the present invention; figure 2 for along figure 1 The cross-sectional view of the A-A line in the center; image 3 for along figure 1 The cross-sectional view of the B-B line in the center; Figure 4 for along figure 1 The cross-sectional view of the C-C line in the middle.

[0027] See figure 1 , 2, 3 and 4, the reamer floating holder provided by the present invention includes a connecting seat 1 for connecting the machine tool spindle and an external seat 8 for clamping the reamer, and the connecting seat 1 and the external seat 8 are arranged There is a floating block 6, and the upper and lower surfaces of the floating block 6 are formed with V-shaped grooves for accommodating steel balls. The V-shaped groove on the upper surface corr...

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Abstract

The invention discloses a floating reamer holder, which comprises a joint seat used for connecting a machine tool spindle, an external connecting seat used for holding a reamer, a bottom ring and a cylinder, wherein the bottom ring is in interference fit fixation with the cylinder; a floating block is arranged between the joint seat and the external connecting seat; a first steel ball row is arranged between the upper surface of the floating block and the joint seat; a second steel ball row is arranged between the lower surface of the floating block and the external connecting seat; and the first steel ball row is vertical to the second steel ball row to form X and Y coordinate areas. In the floating reamer holder, the floating block is arranged, the first steel ball row and the second steel ball row which are vertical to each other are arranged on the upper and lower surface of the floating block to transfer torque force to limit the movement of the reamer and the external connecting seat in the X and Y directions, and the circular runout generated when an accuracy error of the machine tool spindle is transmitted to a floating device can be effectively eliminated, so that the reamer is always kept consistent with the center of a machined hole; therefore, the reaming accuracy is improved.

Description

technical field [0001] The invention relates to a clamp seat for a reamer, in particular to a floating clamp seat for a reamer. Background technique [0002] The reamer is a metal hole processing cutting tool, widely used in bench drills, drilling machines, lathes, milling machines, machining centers and other machine tools. [0003] Existing reamers are generally connected to the connecting handles of various machine tool spindle interfaces. Specifically, straight shank reamers are generally directly clamped by drill chucks, and tapered shank reamers are directly installed in the taper holes of various machine tool spindles. When the reamer is reaming, due to the limitation of the machine tool itself and the precision of the spindle, it is easy to produce radial runout, so the processed hole diameter error is large, and the rejection rate is high, so that the production and quality pass rate cannot be guaranteed. If the machine tool is not properly maintained or has a long...

Claims

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Application Information

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IPC IPC(8): B23Q3/12
Inventor 荣振兴
Owner 荣振兴
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