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A clamping device

A technology of clamping device and installation part, which is applied in the direction of chuck, metal processing, metal processing equipment, etc., which can solve the problems of high cost of materials and execution of assembly, expensive manufacturing of clamping device, small overall size of clamping device, etc.

Pending Publication Date: 2020-11-27
SANDVIK COROMANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One consequence of this is that the overall size of the clamping device cannot be made as small and slim as desired
Another consequence is that the clamping device will include additional mounting details, which will make the clamping device more expensive to manufacture, ie more expensive both in terms of material cost and the cost of performing the assembly

Method used

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  • A clamping device
  • A clamping device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] DETAILED DESCRIPTION OF THE PRIOR ART CLAMPING DEVICE

[0033] will now refer to Figure 1 to Figure 3 A prior art clamping device according to the preamble of claim 1 will be briefly described. This prior art clamping device is of the non-rotatable variety, which is suitable for holding eg lathe tools. as from figure 1 It is evident that the outer housing of the clamping device 1 is generally box-shaped and is shown connected to a schematically illustrated tool holder 2 . figure 2 is an exploded perspective view of the clamping device and tool holder showing all the individual components included in the clamping device. One of said parts is the tie rod 3 which is inserted into the housing in the hole 4 . The pull rod 3 adjusts the clamping mechanism (the function of which is not described here) between a locking phase in which the tool holder is firmly coupled to the clamping mechanism and a release phase in which the tool holder moves from The clamping device ...

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PUM

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Abstract

The invention relates to a clamping device for releasably holding a tool holder shank. The clamping device comprises a housing (13) and a drawbar (19) being mounted reciprocally movable inside a boreof the housing and which in 5 a forward end comprises engagement means (23), which are adapted to go into engagement with an engagement formation at the end of the tool holder shank, and in a rear portion is formed with a drawbar aperture (29). The clamping device further comprises a clamping mechanism (16) extending through the drawbar aperture, adapted to impart an axial displacement of the 10 drawbar to and fro in the direction of the longitudinal axis of the housing, wherein the clamping mechanism comprises a first and a second actuator (27, 28) and an actuator bolt (17) interconnecting the actuators, extending through the drawbar aperture and arranged such that a rotation of the actuator bolt causes the actuators to move synchroneosuly towards or apart 15 from one another, imparting an axial movement of the drawbar. Selected for publication: Figure 5.

Description

technical field [0001] The invention relates to a clamping device for releasably holding a handle of a tool holder, comprising: [0002] a housing having a front end, a rear end, and an aperture intersecting the front end and extending rearwardly from the front end for receiving the tool holder handle in a mounting portion at the front end of the aperture; [0003] a tie rod mounted to be capable of reciprocating movement within the bore and including in the front end an engagement member adapted to form engagement with the engagement structure at the end of the toolholder handle and having a tie rod aperture formed in the rear, the tie rod the aperture extends through the tie rod in a transverse direction relative to the longitudinal axis of the housing; and [0004] A clamping mechanism extends through the tie rod aperture and is adapted to impart an axial displacement of the tie rod in the direction of the longitudinal axis of the housing. Background technique [0005] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B31/26
CPCB23B31/261B23B31/265B23B2260/056
Inventor 贡纳尔·梅特利克
Owner SANDVIK COROMANT