CN210392636U

CN210392636U - Anti-winding structure of prawn grading device

Info

Publication number: CN210392636U
Application number: CN201920825591.4U
Authority: CN
Inventors: 马骏原; 刘江涛; 刘尚坤; 李珊珊
Original assignee: Hebei Agricultural University
Current assignee: Hebei Agricultural University
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-24
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a shrimp grading plant's antiwind structure, including power unit, hierarchical bed and hierarchical roller set, hierarchical roller set includes a pair of roll body, the roll body includes the roller, bearing frame and roller, the roller passes a plurality of rollers and with roller relatively fixed, the roller rotates with the bearing frame to be connected, the bearing frame is fixed in hierarchical bed, the roller slope sets up, epaxial roller is followed by the direction diameter from the top down and is reduced in proper order, make to form the gap by the crescent from the top down between two roll bodies, power unit is used for driving the roller rotation, a plurality of first bar grooves have on the roller, first bar groove first end is close to the gap than first bar groove second end, first bar groove second end is close to the upper end of roller than first bar groove first end. The utility model discloses a characteristics utilize the gap difference between the roller, grade the shrimp of equidimension not one by one to the bar groove reduces the shrimp palpus impetus and water spray mechanism and prevents that the shrimp palpus from twining, thereby improves the hierarchical precision of machine.

Description

Anti-winding structure of prawn grading device

Technical Field

The utility model relates to a shrimp classification equipment technical field especially relates to a shrimp grading plant's anti-wind structure.

Background

The prawn classification is a necessary condition for high-efficiency mechanical automatic husking. There are many types of commercial prawn classifying devices, all of which classify prawn by using size or quality as an index. At present, most of size classifiers used in China are roller belt type classifiers or double-roller type classifiers. The double-roller grader in the market aims to realize grading by enabling shrimps with different sizes to fall into different discharging conveyer belts between two rollers at corresponding positions by means of the change of the distance between the two rollers. The shrimp whiskers of the prawns are very long, and the situation that the prawns are wound on the rollers to cause that the prawns cannot fall into the correct grading often occurs under the rotating action of the two rollers, so that the grading effect is seriously influenced. Therefore, it is urgently required to develop a device for preventing shrimp from being tangled on the double-roller grader.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shrimp grading plant's anti-wind structure for solve above-mentioned problem, have simple structure, with low costs, can effectively prevent advantages such as scurrying level phenomenon of shrimp grading process.

In order to achieve the above object, the utility model provides a following scheme:

the utility model discloses an antiwind structure of a prawn grading device, which comprises a power mechanism, a grading bed and a grading roller group, wherein the grading roller group comprises a roller shaft, a bearing seat and a pair of roller bodies, each roller body comprises a plurality of rollers, the rollers are sequentially and fixedly connected end to form the roller bodies, the roller bodies are obliquely arranged, the diameters of the rollers on the roller bodies are sequentially reduced along the direction from top to bottom, so that a gap which is gradually increased from top to bottom is formed between the two roller bodies, the upper end and the lower end of each roller body are respectively connected with the roller shaft, the roller shaft is rotationally connected with the bearing seat, the bearing seat is fixed on the grading bed, the power mechanism is used for driving the roller shaft to rotate, the roller bodies are provided with a plurality of first strip-shaped grooves, the first ends of the first strip-shaped grooves are closer to the, the second end of the first bar-shaped groove is closer to the upper end of the roller body than the first end of the first bar-shaped groove.

Preferably, the roller body and the roller shaft are provided with axial through holes, the water pipe longitudinally penetrates through the axial through holes, a first water outlet channel is arranged on the part, located in the axial through holes, of the roller body on the water pipe, the water pipe is fixed on the grading bed through the water pipe fixing seat, and the water pipe is communicated with a water source.

Preferably, the roller is provided with a plurality of second strip-shaped grooves, and the second strip-shaped grooves are vertically intersected with the first strip-shaped grooves.

Preferably, the power mechanism comprises a driving motor, a driving sprocket, a driven sprocket and a transmission chain, the driving sprocket is fixed on an output shaft of the driving motor, the driven sprocket is fixed at one end of the roll shaft, and the driving sprocket is in transmission connection with the driven sprocket through the transmission chain.

Preferably, still include storage tank and pan feeding conveying mechanism, pan feeding conveying mechanism includes the pan feeding conveyer belt, the storage tank is used for storing the shrimp, the pan feeding conveyer belt be used for with the shrimp in the storage tank carry to the upper end of hierarchical roller set.

Preferably, the roller comprises a plurality of rollers, and is characterized by further comprising a discharging conveying mechanism, wherein the discharging conveying mechanism comprises a plurality of discharging conveying belts and partition plates, the number of the rollers on the discharging conveying mechanism and one roller body is the same, and the partition plates are arranged on two sides of each discharging conveying belt.

Preferably, the feeding conveying mechanism further comprises a telescopic structure, and the telescopic structure is used for adjusting the angle of the feeding conveying belt.

Preferably, the feeding conveying mechanism further comprises a material guide plate, the material guide plate is fixed on the grading bed, and the material guide plate is located above the upper end of the roll shaft.

Preferably, the material guide plate further comprises a plurality of flow distribution plates, the flow distribution plates are fixed to the lower edge of the material guide plate, and the flow distribution plates are inverted V-shaped.

The utility model discloses for prior art gain following technological effect:

the utility model reduces the force points of shrimp to wind by arranging the first strip-shaped groove on the roller; the shrimp whiskers are impacted by spraying water outwards from the center of the roll shaft to be separated from the roller, so that the aim of preventing the shrimp whiskers from winding on the roller is fulfilled, and the grading effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic overall axial-side structure diagram of an anti-wind structure of the prawn classifying device according to the embodiment;

FIG. 2 is a schematic diagram of the relative structure of a single set of classifying rollers of the anti-winding structure of the prawn classifying device according to the embodiment;

FIG. 3 is a schematic sectional view of the classifying roller structure of the anti-winding structure of the prawn classifying device according to this embodiment;

FIG. 4 is a schematic view of a transmission mechanism of an anti-winding structure of the prawn classifying device according to the embodiment;

FIG. 5 is a cross-sectional view of the left roller body of the anti-winding structure of the prawn classifying device according to this embodiment;

in the figure: 1-a classification bed; 2-grading roller group; 3-a material storage tank; 4-feeding a conveyer belt; 5-a material guide plate; 6-a power mechanism; 7-a discharge conveyer belt; 21-water pipe fixing seat; 22-a water pipe; 23-a driven sprocket; 24-a bearing seat; 25-a right roller body; 26-a left roller body; 27-a first bar-shaped groove; 28-a first water outlet channel; 61-a drive motor; 62-drive chain.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-5, this embodiment provides a shrimp grading plant's anti-wind structure, including power unit 6, hierarchical bed 1 and hierarchical roller set 2, hierarchical roller set 2 includes roller, bearing frame and a pair of roll body, and every roll body includes left roll body 26 and right roll body 25, and the roll body includes a plurality of rollers, and is a plurality of the roller end to end is fixed continuous in proper order and is formed the roll body, the roll body slope sets up, can let the shrimp along the incline direction landing to the optimum inclination that the experiment reachs in this embodiment can guarantee that the shrimp falls into the middle back of the roller set, and slow gliding can not be too fast and leap up the grade, also can not too slow and be difficult to the gliding. The roller is connected respectively at the upper and lower both ends of roll body, and the roller rotates with bearing frame 24 to be connected, thereby the roller rotates and drives the roller and rotate, and bearing frame 24 is fixed in hierarchical bed 1, and the roller on the roll body reduces in proper order along by the direction diameter from the top down, makes to form the gap by the top down crescent between two roll bodies, and the shrimp of different volumes drops from the gap of equidimension not. The power mechanism 6 is used for driving the roll shaft to rotate, the left roll body 26 and the right roll body 25 rotate relatively, a plurality of first bar-shaped grooves 27 are formed in the roll body, the first ends of the first bar-shaped grooves 27 are close to the gap than the second ends of the first bar-shaped grooves 27, the second ends of the first bar-shaped grooves 27 are close to the upper end of the roll shaft than the first ends of the first bar-shaped grooves 27, and therefore the inclination angle of the first bar-shaped grooves 27 is the same as the inclination angle of the shrimp when sliding.

This embodiment shrimp grading plant's anti-wind structure is when using, and the shrimp is by last to the gliding, because the gap between the hierarchical roller set 2 is by last grow gradually to the bottom, and the less shrimp of volume falls from the less gap department of upside, and the great shrimp of volume falls from the great gap department of downside, and the winding that the shrimp must can effectually be avoided to first bar groove 27 on the roll body to realize the classification of shrimp.

In order to further avoid the shrimp whiskers from being entangled, the embodiment further comprises a water pipe 22 and a water pipe fixing seat 21. The roll shaft is provided with an axial through hole, the water pipe 22 longitudinally penetrates through the roll shaft and the axial through hole in the roll body, a first water outlet channel 28 is arranged on the part, positioned in the axial through hole, of the water pipe 22, the water pipe 22 is fixed on the grading bed 1 through the water pipe fixing seat 21, and the water pipe 22 is communicated with a water source. When the water source is started to supply water to the water pipe 22, the water flow passes through the first water outlet channel 28 to wash out the prawns wound on the roller body, so that the secondary anti-winding effect is achieved. The specific position and shape of the first water outlet channel 28 can be set by those skilled in the art according to practical situations.

In this embodiment, the roller has a plurality of second grooves, and the second grooves are perpendicular to the first grooves 27. The second strip-shaped groove is used as the supplement of the first strip-shaped groove 27, so that the contact area of the shrimp whiskers and the roller is further reduced, the shrimp whiskers can have no acting point, and the anti-winding effect is better achieved.

The power mechanism 6 has various types, in this embodiment, the power mechanism 6 includes a driving motor 61, a driving sprocket, a driven sprocket 23 and a transmission chain 62, the driving sprocket is fixed on an output shaft of the driving motor 61, the driven sprocket 23 is fixed on one end of a roller shaft, and the driving sprocket and the driven sprocket 23 are in transmission connection through the transmission chain 62. When the driving motor 61 is started, the driving sprocket drives the driving chain 62 to rotate the driven sprocket 23. The person skilled in the art can also set the device to be in gear transmission, worm gear transmission or the like as long as the device can drive the roll shaft to rotate.

In order to improve the hierarchical efficiency of shrimp, this embodiment still includes stock chest 3 and pan feeding conveying mechanism, and pan feeding conveying mechanism includes pan feeding conveyer belt 4, and stock chest 3 is used for storing the shrimp, and pan feeding conveyer belt 4 is used for carrying the upper end to hierarchical roller set 2 with the shrimp in the stock chest 3. When the prawn transporting device is used, the prawns only need to be poured into the storage pool 3, and the feeding conveyer belt 4 can automatically transport the prawns in the storage pool 3 to the grading roller group 2. When the requirement on the grading efficiency is not high, a mode of manually transporting prawns can also be adopted.

In order to transport the classified prawns as soon as possible, the embodiment further comprises a discharging conveying mechanism, the discharging conveying mechanism comprises a plurality of discharging conveying belts 7 and partition plates, the number of the discharging conveying belts 7 is the same as that of the rollers on one roller body, and the partition plates are arranged on two sides of each discharging conveying belt 7. The prawns with different volumes fall to different conveying belts from a gap in the middle of the grading roller group 2 and are conveyed to different collection points through the discharge conveying belt 7, and the separation plates can effectively prevent the prawns with different grades from mixing or prevent the prawns from falling to the ground. The technical personnel in the field can also set up ejection of compact conveying structure to slide-type structure, or set up the bamboo basket below hierarchical roller set 2, carry the shrimp after the classification through the mode of artifical transport, as long as realize the collection of shrimp.

In order to facilitate the angle of adjusting the feeding conveyer belt 4, in this embodiment, the feeding conveyer mechanism still includes extending structure, and extending structure's upper end is rotated and is connected on the frame of feeding conveyer belt 4, and extending structure's lower extreme is rotated and is connected on storage silo 3. To the hierarchical bed 1 of co-altitude not, the angle of pan feeding conveyer belt 4 also changes thereupon, and the extending structure of this embodiment is electric telescopic handle, and other extending structure such as pneumatic cylinder can also be adopted to the technical staff in the art, as long as can adjust the angle of pan feeding conveyer belt 4 can.

In this embodiment, pan feeding conveying mechanism still includes stock guide 5, and stock guide 5 is fixed in on hierarchical bed 1, and stock guide 5 is located the top of roller upper end, and stock guide 5 can be with the smooth hierarchical roller set 2 of carrying of shrimp on, avoids the shrimp directly to drop from pan feeding conveying mechanism, causes the damage or the extravagant condition of shrimp.

In order to make the distribution of the prawns more uniform on the classifying bed 1, the present embodiment further comprises a plurality of splitter plates, the splitter plates are fixed on the lower edge of the material guide plate 5, and the splitter plates are in a reverse V shape, so that the prawns can be accurately conveyed to the gap between the left roller body 26 and the right roller body 25.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The utility model provides a shrimp grading plant's anti-wind structure which characterized in that: comprises a power mechanism, a grading bed and a grading roller set, wherein the grading roller set comprises a roller shaft, a bearing seat and a pair of roller bodies, the roller body comprises a plurality of rollers which are fixedly connected end to form the roller body, the roller bodies are arranged in an inclined way, the diameters of the rollers on the roller bodies are sequentially reduced along the direction from top to bottom, so that a gap which is gradually increased from top to bottom is formed between the two roller bodies, the upper end and the lower end of the roller body are respectively connected with the roller shaft, the roller shaft is rotationally connected with the bearing seat, the bearing seat is fixed on the grading bed, the power mechanism is used for driving the roll shaft to rotate, the roller is provided with a plurality of first strip-shaped grooves, the first ends of the first strip-shaped grooves are closer to the gap than the second ends of the first strip-shaped grooves, the second end of the first bar-shaped groove is closer to the upper end of the roller body than the first end of the first bar-shaped groove.

2. The anti-wind structure of the prawn grading device of claim 1, characterized in that: still include water pipe and water pipe fixing base, the roll body with the roller all has axial through hole, the water pipe is along vertically passing axial through hole, lie in on the water pipe the roll body the part in the axial through hole has first water outlet channel, the water pipe fixing base will the water pipe is fixed in hierarchical bed, the water pipe is used for being linked together with the water source.

3. The anti-wind structure of the prawn grading device of claim 1, characterized in that: the roller is provided with a plurality of second strip-shaped grooves, and the second strip-shaped grooves are vertically intersected with the first strip-shaped grooves.

4. The anti-wind structure of the prawn grading device of claim 1, characterized in that: the power mechanism comprises a driving motor, a driving chain wheel, a driven chain wheel and a transmission chain, the driving chain wheel is fixed on an output shaft of the driving motor, the driven chain wheel is fixed at one end of the roll shaft, and the driving chain wheel is in transmission connection with the driven chain wheel through the transmission chain.

5. The anti-wind structure of the prawn grading device of claim 1, characterized in that: still include storage silo and pan feeding conveying mechanism, pan feeding conveying mechanism includes the pan feeding conveyer belt, the storage silo is used for storing the shrimp, the pan feeding conveyer belt be used for with the shrimp in the storage silo carry extremely the upper end of hierarchical roller set.

6. The anti-wind structure of the prawn grading device of claim 1, characterized in that: still include ejection of compact conveying mechanism, ejection of compact conveying mechanism includes a plurality of ejection of compact conveyer belts and division board, ejection of compact conveying mechanism and one on the roll body roller quantity is the same, the division board sets up in every ejection of compact conveyer belt's both sides.

7. The anti-wind structure of the prawn grading device of claim 5, characterized in that: the feeding conveying structure further comprises a telescopic structure, and the telescopic structure is used for adjusting the angle of the feeding conveying belt.

8. The anti-wind structure of the prawn grading device of claim 5, characterized in that: the feeding conveying mechanism further comprises a material guide plate, the material guide plate is fixed on the grading bed, and the material guide plate is located above the upper end of the roll shaft.

9. The anti-wind structure of the prawn grading device of claim 8, characterized in that: the material guide plate is characterized by also comprising a plurality of flow distribution plates, wherein the flow distribution plates are fixed on the lower edge of the material guide plate and are in an inverted V shape.