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A push rod-based online weighing device

A weighing device and push rod type technology, applied in the direction of measuring devices, weighing equipment and weighing of materials with special properties/forms, can solve the problems of low online detection speed, load cell interference, and load cell signal Interference and other problems to achieve the effect of improving speed efficiency and accuracy, eliminating signal interference, and reducing external interference

Active Publication Date: 2021-04-20
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the online grading method of fruit quality mainly uses belt sorting scales, and it can also be realized by technologies such as machine vision. However, when using belt sorting scales, the power input device of the belt sorting scales will interfere with the load cell, resulting in belt The speed of the scale should not be too fast to prevent excessive interference
[0004] Traditional online weighing devices for vulnerable fruits mainly use belt scales as the main weighing component. The power part of the belt will interfere with the signal of the load cell, resulting in low online detection speed and poor detection accuracy.

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  • A push rod-based online weighing device
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  • A push rod-based online weighing device

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Such as figure 1 As shown, the specific implementation of the present invention includes an input device 1 , a weighing platform 2 and an output device 3 arranged successively along the conveying direction; the distance between the three devices is maintained to ensure that the push rod can pass through smoothly.

[0031] Such as figure 2 with Figure 5 As shown, the input device mainly includes electric push rods 111, 112, two groups of photoelectric switches 12, 13, a conveyor belt motor 14 and a device platform 15; The conveyor belt is driven by the conveyor belt motor 14 to carry the fruit cup 16; the two sides of the device platform 15 middle part are provided with horizontal mounting plates, and two electric push rods 111, 112 are horizontally and symmetrically placed on the two mounting plates on both sides. Group ph...

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Abstract

The invention discloses a push rod-based on-line weighing device. Including the input device, weighing platform and output device arranged sequentially along the conveying direction; the input device mainly includes an electric push rod, two sets of photoelectric switches, a conveyor belt motor and a device platform; a conveyor belt is installed on the device platform, and fruit cups are placed on the conveyor belt. The conveyor belt is connected to the conveyor belt motor, and the conveyor belt motor drives the conveyor belt to run and transport the fruit cups; the weighing platform includes a chain motor, a chain baffle, a gear set, a first belt bushing, a second belt bushing, a push rod, a curved plate chain, and a weighing platform. Sensor platform and bent plate chain sprockets. The invention can eliminate the signal interference of the power part to the load cell, and can effectively improve the speed and precision of on-line detection.

Description

technical field [0001] The invention relates to an on-line weighing device, in particular to an on-line weighing device that uses a push rod to push fragile fruits (placed on fruit cups) forward. Background technique [0002] The post-harvest process of fruit is divided into several steps: washing, sorting, grading, packaging, storage and transportation. Fruit weighing is an important reference for fruit sorting and grading. The quality and size of fruit can often affect its price level more intuitively. Therefore, in the modern fruit detection and grading system, fruit quality is an important indicator, and it is necessary to achieve online rapid grading of fruits through appropriate online detection methods. [0003] At present, the online grading method of fruit quality mainly uses belt sorting scales, and it can also be realized by technologies such as machine vision. However, when using belt sorting scales, the power input device of the belt sorting scales will interf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01G17/00B07C5/06
CPCB07C5/06G01G17/00
Inventor 王剑平郦超杰孙莹
Owner ZHEJIANG UNIV