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Flatness detecting device and method

A detection device and flatness technology, which is applied in the field of measuring instruments, can solve the problems of few points, slow speed, large error, etc., and achieve the effect of meeting production requirements and fast data speed

Active Publication Date: 2012-01-04
杭州新三联电子有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing general method for measuring the plane flatness of objects is a dot matrix, which takes fewer points, and the speed of PLC control is slow, and the simulated continuous curve formed has a large error with the actual one. The shortcoming of taking less points is large error

Method used

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  • Flatness detecting device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: refer to Figure 1~9 . The flatness detection device includes a detection frame 1, the upper end of the detection frame 1 is provided with a conveying device 2 for longitudinally moving the object 9 to be tested, and a plurality of probes 3 are arranged above the conveying device 2 and are respectively connected with the probes 3 and can make each probe 3 Consists of a transmission mechanism 4 for lateral reciprocating movement.

[0028] The conveying device 2 includes two guide rollers 2b and a conveyor belt 2a sleeved between the two guide rollers 2b, the two guide rollers 2b are respectively located at the upper part of the front end and the upper part of the rear end of the detection frame 1, and the two guide rollers 2b The ends are movably connected with the detection frame 1 respectively, and one of the guide rollers 2b is a driving guide roller driven by a motor. A glass backing plate 6 connected to the detection frame 1 is arranged between the t...

Embodiment 2

[0031] Embodiment 2: refer to Figure 6 and 7 . On the basis of Embodiment 1, the transmission mechanism 4 is composed of two sets of first guide rails 4a1 arranged front and back and a second guide rail 4a1 arranged between the two sets of first guide rails 4a2, and the middle parts of the two sets of first guide rails 4a1 are respectively placed There are a first probe 3a1 and a second probe 3a2, a third probe 3b1 and a fourth probe 3b2 are arranged in the middle of the second guide rail 4a2, and the third probe 3b1 and the fourth probe 3b2 are respectively connected with the timing belt above the second guide rail 4a2 The front and rear sides of 4c are connected.

Embodiment 3

[0032] Embodiment 3: refer to Figure 1~9 . A method for flatness detection with a flatness detection device, the transmission mechanism 4 of the flatness detection device is based on Embodiment 2, and its detection method includes the following steps:

[0033] a) Place the tested item 9 on the conveyer belt 2a, and send it in at a constant speed by the conveyer belt 2a;

[0034] b) Four probes 3 are arranged above the conveyor belt, assuming that the object under test 9 is provided with a rectangular frame 9a along the boundary, the first probe 3a1 and the second probe 3a2 can slide back and forth laterally along the first guide rail 4a1 respectively, and While the object under test 9 is fed at a constant speed, the detection scans of the two diagonals 9a4 of the rectangular frame 9a and the detection scans of the front side 9a2 and the rear side 9a1 of the rectangular frame 9a are respectively completed in sequence; the third probe 3b1 and the fourth probe 3b1 The probe 3b...

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Abstract

The invention relates to a flatness detecting device and method. The flatness detecting device comprises a detecting frame, conveyors, a plurality of probes and transmission mechanisms, wherein the conveyors for longitudinally conveying objects to be detected are arranged at the upper end of the detecting frame, and the plurality of probes and the transmission mechanisms connected with the probes respectively and driving the probes to transversely reciprocate are arranged on the conveyors. The transmission mechanisms is formed by two groups of first guide rails and second guide rails arranged between the two groups of first guide rails. A first probe and a second probe are respectively arranged in middle parts of the two groups of first guide rails. A third probe and a fourth probe are arranged in the second guide rails. The third probe and the fourth probe are respectively connected to the front side and the rear side of a synchronous belt above the second guide rails. The flatness detecting device and method has the advantages that points are picked movably instead of fixed picking, so that more points can be picked in same direction on the surface of the object to form an simulation flatness continuous curve, and the surface flatness of the object can be more accurately and really reflected; the detection can be performed without stopping machine, the data is rapidly collected by using a collecting card, so that the production requirement can be satisfied.

Description

technical field [0001] The invention relates to a measuring instrument, in particular to a flatness detection device and a detection method. Background technique [0002] The existing general method for measuring the plane flatness of objects is a dot matrix, which takes fewer points, and the speed of PLC control is slow, and the simulated continuous curve formed has a large error with the actual one. We use the probe to move quickly on the guide rail to solve the problem. The shortcoming of taking less points is greater error. Contents of the invention [0003] The object of the present invention is to provide a flatness detection device and a detection method in order to avoid the disadvantages of the background technology. [0004] In order to achieve the above object, the present invention adopts the following technical scheme: the flatness detection device includes a detection frame, the upper end of the detection frame is provided with a conveying device that moves ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/30
Inventor 彭崇荣邓少平李密刘东华
Owner 杭州新三联电子有限公司
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