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Positioning mechanism

A technology of positioning mechanism and orientation mechanism, which is applied to conveyor objects, transportation and packaging, etc., can solve the problems of position change, damage to equipment, and high equipment cost, achieve rapid alignment and positioning, compensate for positioning deviation, and reduce mechanism costs.

Active Publication Date: 2015-04-29
GOERTEK INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] 1. The positioning supply platform and the reclaiming platform (installed on the X-Y-Z three-axis manipulator to realize workpiece transfer) are rigidly connected and fixed between the bases. Using this device, real-time deviation compensation cannot be performed, and it can only be achieved by the matching gap between the shaft and the sleeve. To make up for the deviation of retrieving materials, once the location of the positioning supply platform changes accidentally, it will cause the reclaiming platform to fail to complete the retrieving action, and even damage the equipment; at the same time, the alignment of the positioning supply platform is very cumbersome, and requires the skills of the installation and commissioning personnel Relatively high, under the daily mass production working conditions, it is easy to produce position changes and parts deformation, resulting in the inability of the positioning supply platform to work stably, thus bringing hidden dangers of downtime to stable production
[0004] 2. When the rigid connection between the positioning supply platform and the base of the reclaiming platform cannot be used, it is necessary to install a visual camera on the reclaiming platform to confirm the actual position of the positioning supply platform, and output the compensation value to the three- and four-axis manipulators. Drive the reclaiming platform to complete the picking and unloading action; the device needs to be equipped with a four-axis manipulator to compensate for angular deviation and translation deviation. To compensate for parallel deviation, more axes of manipulators and visual cameras are required, which requires high equipment costs and limited installation space. It may be limited, and the skill level of debugging personnel is relatively high

Method used

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Embodiment Construction

[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0040] Such as Figure 1 to Figure 3Commonly shown, a positioning mechanism includes a base 4, a fixed platform 3 is arranged on the top of the base 4, a number of hinged seats 601 that are not all coplanar are arranged on the base 4 and the fixed platform 3, and two correspondingly arranged upper and lower Elastic hinge rods 6 are universally articulated between the hinge seats 601 through ball joints. As a preference, four elastic hinge rods 6 are arranged in a rectangular arrangement; the elastic hinge rods 6 are elastically stretchable in the axial direction and have the same Maximum length; b...

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Abstract

The invention discloses a positioning mechanism, which comprises a base, wherein a fixed platform is arranged above the base; at least three elastic hinge bars which are parallel and not completely coplanar are arranged between the base and the fixed platform; two ends of each elastic hinge bar are universally articulated with the base and the fixed platform respectively; the elastic hinge bars can elastically stretch in the axial direction and have the same maximal lengths; a plurality of first elastic elements which are used for jacking the fixed platform are also arranged between the base and the fixed platform; the elastic hinge rods reach the maximal lengths and are in a vertical state under the action of the first elastic elements in an initial state; the fixed platform is arranged at a reference position relative to the base; a mobile platform which is driven by a first power device is arranged above the fixed platform; a first centering and orientating mechanism is arranged between the mobile platform and the fixed platform. The positioning mechanism can rapidly perform aligning and positioning, also can compensate positioning deviation, and is low in cost, and relatively simple, reliable and practical in structure.

Description

technical field [0001] The invention relates to the technical field of positioning mechanisms. Background technique [0002] At present, there are generally two ways to realize the functions of traditional positioning mechanisms such as positioning supply platform devices: [0003] 1. The positioning supply platform and the reclaiming platform (installed on the X-Y-Z three-axis manipulator to realize workpiece transfer) are rigidly connected and fixed between the bases. Using this device, real-time deviation compensation cannot be performed, and it can only be achieved by the matching gap between the shaft and the sleeve. To make up for the deviation of retrieving materials, once the location of the positioning supply platform changes accidentally, it will cause the reclaiming platform to fail to complete the retrieving action, and even damage the equipment; at the same time, the alignment of the positioning supply platform is very cumbersome, and requires the skills of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65G47/90
Inventor 伦洪利
Owner GOERTEK INC
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