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Moveable platform

A technology for moving worktables and working platforms, which is applied to measuring devices, instruments, and mechanical devices, etc., can solve the problems of impossible exchange and movement of worktables, achieve simple and effective control methods, save equipment investment, and short time intervals Effect

Active Publication Date: 2009-04-15
CRRC QISHUYAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The two worktables of this form of gantry machining center can only be used separately on the machine tool and cannot be removed from the machine tool, so it is impossible and impossible to realize the exchange and movement of the worktable
There is also no mobile table to move large workpieces into position for measurement on a CMM

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0034] Referring to Figures 1 to 7, the mobile workbench includes a machine base 1, a linear guide pair 2, a working platform 3, a spur rack 4, a transmission mechanism 5, a first travel switch 71 and a second travel switch 72. This embodiment will be described according to the direction in which the working platform 3 moves along the linear guide rail as the front and rear directions.

[0035] see picture 1, Figure 4 and 5 , The base 1 includes left and right guide rail grooves 11-1 and 11-2 arranged in the front and rear directions on the left and right sides thereof, and a rack groove 12 arranged in the front and rear directions in the middle.

[0036] See Figure 3, Figure 5 and Figure 6 , there are two linear guide rail pairs 2 for outsourcing. Each linear guide rail pair 2 includes 1 guide rail and 4 sliders. Each slider is rollingly connected by its rollers in contact with the linear raceway of the guide rail. The guide rail 21-1 of the left linear guide rail pai...

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Abstract

The invention discloses a movable work table comprising a machine seat, a linear guide pair, a work table, a linear rack, a driving mechanism and a first travel switch. The machine seat comprises two guide grooves which are arranged on two sides of the machine seat in the fore-and-aft direction and a rack groove which is arranged in the middle of the machine seat in the fore-and-aft direction. Two linear guide pairs are provided and each linear guide pair comprises a guide and all the sliding blocks contacting with the guide in a rolling manner. The work table comprises a driving table and a positioning table which are connected, and a first baffle block. The driving mechanism comprises a motor, a reducer and a gear box. The linear rack is arranged in the rack groove, and the output gear of the gear box is meshed with the linear rack. The movable work table arranges a positioning pin on the positioning table, and can precisely position a palletized fixture onto the positioning table by matching with a positioning hole at the bottom of the palletized fixture so that a three dimensional measuring device can be adopted to precisely measure the workpiece clamped by the palletized fixture.

Description

technical field [0001] The invention relates to a mobile workbench, in particular to a mobile workbench for measuring large workpieces. Background technique [0002] The body of the diesel engine is the skeleton of the diesel engine. The quality of the diesel engine and the quality of the body play a key role. Because of the machined body, it is very important to measure its accuracy. Three-coordinate measuring machine is a new type of measuring instrument. Compared with traditional measuring tools, it can be clamped once to complete the measurement of many dimensions, including many measurements that traditional measuring instruments cannot carry out. It can also input CAD models and collect points on the model for automatic measurement. Its accuracy is affected by its structure, material, drive system, grating ruler and other links. Its grating ruler resolution is generally 0.0005mm, and the measurement accuracy is affected by many environmental factors such as temperat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/008
Inventor 吴建洪
Owner CRRC QISHUYAN CO LTD
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