Split automatic fish grading machine and fish grading method

An automatic fish sorting machine, three-dimensional technology, applied in fish farming, application, animal husbandry, etc., can solve the problems of large manpower and time, fish body damage, large size, etc., and achieve the effect of small footprint

Pending Publication Date: 2017-06-27
OCEAN UNIV OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the breeding process, it is necessary to classify the size of the cultured fish to avoid uneven feeding when fish with different sizes are raised together during the breeding process, and also to avoid the phenomenon of cannibalism, especially in the fry stage and the sub-adult stage , it is very necessary for the sub-standard breeding of the breeding objects, and the manual size grading work in the past requires a lot of manpower and time, and in the manual grading process, it is very easy to cause fish body dama

Method used

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  • Split automatic fish grading machine and fish grading method
  • Split automatic fish grading machine and fish grading method

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0026] Example 1:

[0027] like figure 1 and figure 2 As shown in the figure, a three-dimensional automatic fish sorting machine according to the present invention adopts a vertical structure and conducts grading and screening by introducing fish fry from top to bottom, so as to be a three-dimensional automatic fish sorting machine that can also be used in aquaculture workshops with small space. It can also be used in open-air pond farming plants, and it is not limited to use in small spaces.

[0028] The fish dividing machine of the present invention comprises the following parts:

[0029] Grading sieve plate 1: The grading sieve plate is installed at an inclination of 30° relative to the ground. The front end of the grading sieve plate is dispersing and dredging. After the poured fish are evenly dispersed, the fish enter the roller grading screen. The grading sieve plate can be disassembled. According to the grading requirements, different numbers of grading sieve plates...

Example Embodiment

[0036] Embodiment 2:

[0037] Instructions for setting the spacing between the roller type fish screen and the grading screen:

[0038] For example, the fish to be graded has a thickness ranging from 1.7cm to 3.2cm, and all fish are divided into four grades according to the thickness of the fish body, namely: 3cm. Then four grading screens need to be inserted into the grading box.

[0039] The topmost grading sieve is defined as the first grading sieve, followed by the second, third and fourth sieves, and the roller type fish screen is also defined as such.

[0040] The first layer of grading sieve plate is installed with a roller spacing of 3cm, and the first layer of roller fish sieve plate is installed with a roller spacing of 3.5cm. In the first layer of grading sieve, fish with a thickness of less than 3 cm gradually fall from between the rollers of the grading sieve to the dispersing and guiding slope of the second layer of grading sieve, and fish with a thickness of...

Example Embodiment

[0046] Embodiment three:

[0047] In the design, both the grading screen plate and the roller type fish screen can be disassembled and replaced. According to the classification requirements, the classification screen plate and the roller type fish screen with different roller spacings can be installed in a fish divider. The fish machine can be equipped with multiple grading sieves to achieve the purpose of grading from fry to sub-adult fish. For example, the roller spacing of the grading sieve plate is from 0.5cm-10cm to make a grading sieve plate and the corresponding roller type fish screen every 0.25cm.

[0048] If the thickness of the fry to be divided (sub-adult fish) is relatively small, but it still needs to be graded. For example, only two grades above 5.25cm and below can be divided between 5cm and 5.5cm, and only one roller can be installed with a distance of A 5.25cm grading sieve plate and a 5.75cm roller fish sieve can achieve grading, but the grading accuracy ma...

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Abstract

The invention relates to a split automatic fish grading machine and a fish grading method, and belongs to the technical field of fish size grading equipment. By adopting a vertical structure, grading can be automatically and accurately carried out, and the problems existing in an existing grading machine that the fry damage rate and death rate are high, and a lot of manpower and time are consumed can be reduced. The split automatic fish grading machine comprises grading screen plates, roller type fish discharging screens and fish discharging guiding hoppers, wherein the grading screen plates are located in the fish grading machine and installed in an inclined mode relative to the ground, the grading screen plates are connected end to end from top to bottom, and each grading screen plate comprises a scattering guiding slope on the upper portion and a roller type grading screen on the lower portion. After fry are poured into the fish grading machine, fry with the body thickness larger than the grading roller gap of the roller type grading screens are discharged when passing through the grading screen plates, and fry with a small body thickness are discharged from the grading screen plates on the lower layer until grading is completed. The split automatic fish grading machine is flexible and small in occupied area with the stereoscopic space fully utilized; the split automatic fish grading machine can be used in both narrow culture workshops and outdoor pond culture plants, and is not limited to narrow and small spaces.

Description

technical field [0001] The invention relates to a three-dimensional automatic fish sorting machine and a fish sorting method, belonging to the technical field of fish specification grading equipment. Background technique [0002] In the breeding process, it is necessary to classify the size of the cultured fish to avoid the phenomenon of uneven feeding when fish with different sizes are raised together during the breeding process, and also to avoid the phenomenon of cannibalism, especially in the fry stage and the sub-adult stage , it is very necessary for the sub-standard breeding of the breeding objects, and the manual size grading work in the past requires a lot of manpower and time, and in the process of manual grading, it is very easy to cause damage to the fish body, and reduce the survival of the fish during the grading breeding process At the same time, the accuracy of manual specification grading is poor. Nowadays, automatic fish fry classifiers have appeared, but ...

Claims

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Application Information

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IPC IPC(8): A01K61/95
Inventor 彭磊王小洁白雪松宋德东刘毅
Owner OCEAN UNIV OF CHINA
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