A kind of Penaeus Vannmei separator
The utility model relates to processing of aquatic products sorting technology field, especially a kind of separator for carrying out sizing screening by size to Penaeus Vannmei.
At present, before shrimp is processed, first want prawn to carry out sizing screening by size, process to select the shrimp of suitable head size according to the needs of shrimp products.Traditional shrimp sizing screening mode is artificial screening and mechanical grading.Artificial screening labour intensity is large, and efficiency is also low, can not meet the needs of large-scale production.
Existing Penaeus Vannmei sizing screening all adopts mechanical grading substantially, and efficiency is higher.If application number is the Chinese utility model patent of 201120514869.X, one seed shrimp screening machine is disclosed, it comprises frame, feeding conveying belt, frame surface thereof is provided with several parallel screening rollers, under the drive of motor, screening rod rotates, and realizes sizing screening from top to bottom, and shrimp body can not be destroyed during operation, effectively can improve and produce effect.But because this shrimp screening machine is screened by parallel multiple screening rods, during by belt conveyor feeding, blanking is uneven, easily becomes to pile up at belt conveyor feed opening place, affect separating effect.
Summary of the invention
The purpose of this utility model is the deficiency overcoming above-mentioned prior art, provides a kind of structure simple Penaeus Vannmei separator, and Penaeus Vannmei separator can evenly blanking, improves separating effect.
To achieve these goals, the technical solution adopted in the utility model is: a kind of Penaeus Vannmei separator, comprise frame, feeding conveying belt and frame surface thereof is provided with several screening rollers arranged in parallel, the diameter classification from top to bottom of each screening roller is reduced, screening passage is formed between every two screening rollers, frame is also provided with the first motor driving each screening roller rotating in same direction, the outlet belows at different levels correspondence of screening passage is provided with several discharging conveyor belts, it is characterized in that: described frame front end is also provided with a feeding-distribution device, feeding-distribution device comprises feed hopper, material-dividing groove, be arranged in material-dividing groove for pushing the screw propulsion rod of Penaeus Vannmei, reductor and the second motor be connected with reductor, feed hopper is arranged on one end of material-dividing groove and blanking outlet is connected with material-dividing groove, the feeding port of described feeding conveying belt is arranged on the top of feed hopper, the sub-material mouth corresponding with described screening channel number is provided with at the bottom interval of material-dividing groove, sub-material mouth is connected with a tremie pipe, tremie pipe outlet is arranged on the entrance point of described screening passage.
Further, described screw propulsion rod is by rotating shaft and the helical blade that is fixed on rotating shaft outer surface, and one end of rotating shaft is connected with described reductor, and the neighboring of helical blade and the inwall of material-dividing groove adapt; Described second motor is also electrically connected with a frequency converter.
Further, the below of the outlets at different levels of described screening passage is respectively equipped with a funnel, and the outlet of funnel is arranged on the described discharging conveyor belts that corresponds.
The beneficial effects of the utility model are: structure is simple, and by arranging feeding-distribution device, evenly accurately Penaeus Vannmei can be delivered to accurately the top of screening passage, screening effeciency is higher, effectively enhances productivity, and meets the needs of automated production.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic top plan view of the screening roller be arranged side by side in the utility model.
Fig. 3 is the structural representation of feeding-distribution device in the utility model.
Detailed description of the invention
As Figure 1-3, a kind of Penaeus Vannmei separator of the utility model, comprise frame 1, feeding conveying belt 2 and frame surface thereof is provided with several screening rollers 3 arranged in parallel, the diameter classification from top to bottom of each screening roller 3 is reduced, and forms screening passage 31 between every two screening rollers 3.Frame 1 is also provided with the first motor driving each screening roller rotating in same direction, the outlet belows at different levels correspondence of screening passage 31 is provided with several discharging conveyor belts 4.Also be respectively equipped with a funnel 5 in the below of outlets at different levels of screening passage, the outlet of funnel 5 is arranged on the described discharging conveyor belts 4 that corresponds.
Frame 1 front end is also provided with a feeding-distribution device 6, feeding-distribution device 6 is comprised feed hopper 61, material-dividing groove 62, is arranged in material-dividing groove 62 for the second motor 66 pushing the screw propulsion rod 63 of Penaeus Vannmei, reductor 64 and be connected by belt 65 with reductor 64, feed hopper 61 is arranged on an end of material-dividing groove 62, and feed hopper 61 blanking outlet is connected with material-dividing groove 62.The feeding port of above-mentioned feeding conveying belt 2 is arranged on the top of feed hopper 61, the sub-material mouth 621 corresponding with screening passage 31 number is provided with at the bottom interval of material-dividing groove 62, sub-material mouth 621 is connected with tremie pipe 622, tremie pipe 622 outlet is arranged on the entrance point of screening passage 31.
In the present embodiment, above-mentioned screw propulsion rod 63 is by rotating shaft 631 and the helical blade 632 be fixed on rotating shaft outer surface, and one end of rotating shaft 631 is connected with reductor 64, and the neighboring of helical blade 632 and the inwall of material-dividing groove 62 adapt.
Further, the second motor 66 is also electrically connected with a frequency converter 67; Better speed governing can be realized.
Finally should be noted that; above content is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; the simple modification that those of ordinary skill in the art carries out the technical solution of the utility model or equivalently to replace, does not all depart from essence and the scope of technical solutions of the utility model.