elastic clamping device
A technology of elastic clamping and elastic components, applied in the field of tooling and fixtures, can solve problems such as difficulty in ensuring hole symmetry, achieve the effect of ensuring symmetry requirements and eliminating the influence of external dimensions
Active Publication Date: 2019-12-10
GUANGDONG EVERWIN PRECISION TECH
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Problems solved by technology
[0003] For aluminum extrusion blanks with large tolerances in external dimensions, it is necessary to ensure that the hole is symmetrical to the axis of the workpiece during processing. However, it is difficult to ensure the symmetry of the hole with traditional fixtures.
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[0029] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0030] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "inner", "outer", "left", "right" and similar expressions are used herein for the purpose of descripti...
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The invention relates to an elastic clamping device. The elastic clamping device comprises a base, a positioning mechanism, a centering balance mechanism and a clamping mechanism, wherein the positioning mechanism is fixed on the base and provided with a groove matched with a workpiece; the centering balance mechanism comprises a first elastic component and a second elastic component which are fixed on the positioning mechanism, the first elastic component is located beside the groove and clamps the workpiece from a first direction, and the second elastic component presses the workpiece from a second direction vertical to the first direction; the clamping mechanism comprises a pressing plate used for clamping the workpiece and a connector used for fixing the pressing plate onto the positioning mechanism. The elastic clamping device has the advantages that the first elastic component clamps the workpiece from the first direction to allow the workpiece to automatically align with the positioning datum on the groove; the second elastic component presses the workpiece from the second direction, the positioned workpiece does not incline, the gravity center of the workpiece constantly falls on the positioning datum, the influence of workpiece shape and size is eliminated, and the machined parts of the workpiece can satisfy symmetry degree requirements.
Description
technical field [0001] The invention relates to the technical field of fixtures, in particular to an elastic clamping device. Background technique [0002] When the workpiece is processed by a CNC machine tool, in order to ensure the size and position accuracy of the processing surface relative to other surfaces, it is necessary to keep the workpiece in a certain position relative to the machine tool, and to be able to withstand the forces in all directions during the processing without being fixed. Then the positioning and tightening of the workpiece can be realized at the same time, so as to ensure the processing accuracy of the workpiece in the mass production process. [0003] For aluminum extrusion blanks with large tolerances in external dimensions, it is necessary to ensure that the holes are symmetrical to the axis of the workpiece during processing. However, it is difficult to ensure the symmetry of the holes with traditional fixtures. Contents of the invention ...
Claims
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IPC IPC(8): B23Q3/08B23Q3/06
CPCB23Q3/06B23Q3/08
Inventor 纪会胜杨建树
Owner GUANGDONG EVERWIN PRECISION TECH