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Fixture for elbows with space curves as axes

A space curve and fixture technology, applied in the field of pipe bending fixtures, can solve problems such as not being able to fix the curved pipe well, and achieve the effects of firmness, convenient use and maintenance, and simple fixture structure.

Inactive Publication Date: 2012-07-18
WUXI INST OF COMMERCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fixing tools commonly used in the machinery industry, such as bench vises, pressing blocks, etc., cannot fix the elbow well, because such commonly used fixing tools require the surface to be pressed to be a flat or cylindrical surface

Method used

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  • Fixture for elbows with space curves as axes
  • Fixture for elbows with space curves as axes
  • Fixture for elbows with space curves as axes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] Figure 1 to Figure 3 Shown: The fixture device consists of three parts:

[0020] 1. Fixture body: used to fix the fixture and provide support for other parts.

[0021] 2. Support and adjustment mechanism: ensure the adjustment of the upper and lower positions of the V-shaped chuck.

[0022] 3. Several sets of clamping devices: each set of clamping devices flexibly clamps a position of the workpiece.

[0023] Composition of fixture body : The fixture main body is made up of clamp body 17, blank holder 18 and hole 19. The clamp body 17 and the blank holder 18 are integrated, and the lower surface of the clamp body 17 is a plane, so that the fixture can be placed on the workbench of the machine tool flatly. Fixtures. The clamp can also be fixed by means of fixing bolts passing through the holes 19 . The height of the blank holder 18 is much lower than the height of the fixture, so that the overall height after the fixture is fixed with a pressing block or bolt ...

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Abstract

The invention discloses a fixture for elbows with space curves as axes. The fixture comprises a fixture main body, a supporting and adjusting mechanism and a clamping device. The fixture main body is used for fixing and consists of a fixture body and pressing edges with holes. the pressing edges are arranged at two edges of the fixture body, the fixture body and the pressing edges are integrated, the fixture body is fixed onto a worktable by bolts via the holes at the pressing edges, the supporting and adjusting mechanism consists of sliders, slider supporting guide plates, slide grooves, springs, pressure plates, adjusting bolts and fixing screws, the clamping device comprises screw stems, the screw stems are symmetrically arranged on upper end surfaces and lower end surfaces of the slider supporting guide plates and are connected with the corresponding sliders in a threaded manner, first locking nuts and second locking nuts are arranged at joints of the upper portion of the screw stems and outer end surfaces of the slider supporting guide plates, and V-shaped chucks are disposed at lower ends of the screw stems. The fixture is simple in structure and convenient in use and maintenance, can firmly and reliably compress the elbows with optional space curves as axes, and brings convenience for machining.

Description

technical field [0001] The invention relates to a clamp, in particular to a pipe bend clamp whose axis is a space curve, and belongs to the technical field of clamps. Background technique [0002] Now a kind of elbow, the axis of this elbow is a space curve, such as Figure 1 shown. If you need to process holes on the surface of the elbow, you first need to fix the elbow. Now commonly used fixing tools in the mechanical industry, such as bench vise, pressing block, etc., cannot fix the elbow well, because such commonly used fixing tools require the surface to be pressed to be a plane or a cylindrical surface. But the surface of the curved pipe is a space surface. Contents of the invention [0003] The object of the present invention is to provide a fixture with simple structure, easy to use, firm and reliable clamping of the curved pipe whose axis is an arbitrary space curve, and to provide convenience for processing. [0004] In order to achieve the above object, the p...

Claims

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Application Information

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IPC IPC(8): B23Q3/06
Inventor 崔伶玲
Owner WUXI INST OF COMMERCE
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