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Sensor weighing module

A weighing module and sensor technology, which is applied in the field of weighing and packaging, can solve the problems of the sensor being suffocated, insensitive, and the weighing accuracy is enlarged, and achieves a system that is not easy to suffocate and lock up, the sensor is responsive, and the force sensitivity is guaranteed. Effect

Active Publication Date: 2015-09-23
HEFEI GENERAL MACHINERY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the defects in the above structure cannot be underestimated: since the stabilizing bolts directly pass through the load-bearing block coaxially, the small vertical displacement of the load-bearing block can be provided by relying on the hole axis cooperation with a small gap between the stabilizing bolts and the load-bearing block
Not only when the load-bearing block is inclined by force or the matching error of the stabilizing bolt occurs, it is easy to cause the sensor and the stabilizing bolt to bite and lock, causing the sensor to hold back force, insensitivity, and unstable detection signal, resulting in the expansion of weighing accuracy, and then the measured The pack weight constancy of the
At the same time, under the high-precision requirements of the weighing module itself, the concentric design of the gap between the stabilizing bolt and the load-bearing block and the installation accuracy are extremely high, which invisibly increases the production cost of the equipment.

Method used

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Embodiment Construction

[0027] For ease of understanding, combined here Figure 2-5 The specific implementation structure and work flow of the present invention are further described as follows:

[0028] The actual structure of the present invention is as Figure 2-5As shown, it includes a base 10 as a bottom installation base, and a horizontal cantilever beam sensor 20 is arranged on the base 10. In actual selection, such as a Toledo load cell can be selected. The cantilever end of the beam sensor 20 is provided with a load-bearing plate 30 and the bolts are fixedly fitted between them. In terms of anti-overturning treatment, the load-bearing plate 30 is in the shape of a rectangular plate, and the center of gravity of the middle section forms the above-mentioned bolt connection point, and its two ends are respectively fixed by 10 bolts at the base and extend vertically upwards. The strut 40 performs balanced support at both ends. More specifically, a hemispherical spherical groove 41 is recessed...

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Abstract

The invention belongs to the weighing and packing technical field and relates to a sensor weighing module for an automated production line. The sensor weighing module of the invention comprises a base, a beam type sensor and a bearing plate; the module also comprises supporting columns for supporting the bearing plate, wherein at least two supporting columns which are symmetrically distributed at two ends of the bearing plate along the central line of the bearing plate exist; one of opposite surfaces of each supporting column and the bearing plate is provided with a spherical matching part, and the other surface of the opposite surfaces is provided with a hemisphere-shaped spherical groove which is shaped to match a position which is matched with the hemisphere-shaped spherical groove; and along a vertical direction, a distance left between the spherical groove and the spherical matching part is equal to the set pressed sinking height of the bearing plate. The sensor weighing module of the invention can satisfy weighing accuracy requirements. The sensor weighing module has the advantages of work flexibility, high fault tolerance rate, low installation precision requirement, reliable operation and further prolonged service life.

Description

technical field [0001] The invention relates to the technical field of weighing and packaging, in particular to a sensor weighing module used in an automatic production line. Background technique [0002] With the continuous improvement of the level of industrial automation, today's packaging machinery industry has higher and higher requirements for automation, and is gradually developing in the direction of unmanned, in order to achieve the purpose of saving labor and reducing costs. The weighing module is an important part of the automatic packaging production line. As a new type of sensor system, it has been widely used and promoted in the industrial automation industry because of its simple module design, convenient installation and debugging, and flexibility. Common weighing module structures, such as figure 1 As shown, it usually includes shear beam load cell, load transfer device and installation connecting plate and other components; it uses the shear beam load cell...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G19/00
Inventor 郭飞张志伟吴苏炜吴志荣纪克鹏
Owner HEFEI GENERAL MACHINERY RES INST
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