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Extension cutter head with back clearance capable of being eliminated

Pending Publication Date: 2021-11-23
浙江景耀数控科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This utility model has the advantage of being able to accurately and quickly adjust the gap between sliding pairs, but it still does not solve the above problems

Method used

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  • Extension cutter head with back clearance capable of being eliminated
  • Extension cutter head with back clearance capable of being eliminated
  • Extension cutter head with back clearance capable of being eliminated

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Embodiment Construction

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] to combine Figure 1-3 As shown, a backlash-eliminable knife spreading head includes a knife spreading main body 1 and a knife holder slider 2 slidably connected to the knife spreading main body 1, one end of a pull rod 3 extends into the knife spreading main body 1, and the pull rod 3 The end of the tool holder slider 2 is driven and connected to the tool holder slider 2 through a transmission mechanism 4 for driving the tool holder slider 2 to slide in a direction perpendicular to the axis of the pull rod 3. The transmission mechanism 4 includes a gear 41, and the gear 41 The sides of the side are simultaneously engaged with the driving rack 42 arranged on the pull rod 3 and the driven rack 43 arranged on the bottom surface of the tool holder slide block 2 .

[0029] In the present invention, when in use, pull the pull rod 3...

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Abstract

The invention belongs to the technical field of machining equipment, and particularly relates to an extension cutter head with a back clearance capable of being eliminated. In order to solve the problem that the machining precision needs to be improved due to the fact that the radial feeding speed and stroke adjustment of an extension cutter head in the prior art are inconvenient to control, the invention provides the extension cutter head with the back clearance capable of being eliminated. The extension cutter head comprises an extension cutter main body and a tool post sliding block connected to the extension cutter main body in a sliding manner, wherein one end of a pull rod extends to the interior of the extension cutter main body, and the end part of the pull rod is in driving connection with the tool post sliding block through a transmission mechanism used for driving the tool post sliding block to slide in the direction perpendicular to the axis of the pull rod; and the transmission mechanism comprises a gear, and the side surface of the gear is meshed with a driving rack arranged on the pull rod and a driven rack arranged on the bottom surface of the tool post sliding block at the same time. The transmission mechanism adopts a transmission mode of the rack and the gear, so that the feeding speed is stable, the feeding speed is convenient to control, the stroke is convenient to adjust, and the machining precision is improved.

Description

technical field [0001] The invention belongs to the technical field of processing equipment, and in particular relates to a backlash-eliminating type spreading cutter head. Background technique [0002] In the process of mechanical processing, because of the compact structure of special machine tools, some unit module spindles only have axial feed, but not radial feed. Complementary movement, internal and external end faces, internal and external grooves, internal and external threads, linear boring, multi-step compound boring, chamfering, taper, etc., require the use of extended cutter heads, so extended cutter heads are widely used in special metal cutting machine tool. However, in the prior art, the radial feed speed and stroke adjustment of the cutter head are not easy to control, resulting in a need to improve the machining accuracy. [0003] For example, a Chinese utility model patent discloses a cutter head [application number: 201820994259.6]. The utility model pat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q5/34B23Q3/00
CPCB23Q5/34B23Q3/00
Inventor 罗华荣徐小兵
Owner 浙江景耀数控科技有限公司
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