CN115959339A

CN115959339A - Automatic conveying water injection device for shrimp larvae packaging and using method

Info

Publication number: CN115959339A
Application number: CN202211682546.0A
Authority: CN
Inventors: 黄金华
Original assignee: Guangxi Agricultural Vocational University
Current assignee: Guangxi Agricultural Vocational University
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-04-14

Abstract

The invention relates to a water injection device, in particular to an automatic conveying water injection device for shrimp fry packaging and a using method thereof. The automatic conveying water injection device for shrimp larvae packaging and the using method thereof comprise a conveying mechanism, a water injection mechanism and a limiting mechanism, wherein the conveying mechanism comprises two oppositely arranged side plates, a plurality of rotary rollers are arranged between the side plates in a rotating mode, one of the rotary rollers is arranged on the side wall of the side plate, an output shaft of the driving motor penetrates through the side wall of the side plate, in the automatic conveying water injection device for shrimp larvae packaging and the using method, a bearing box moves downwards to drive a second connecting rod and a first connecting rod to move inwards relatively, a bag opening is folded in the moving process, so that the efficiency of folding the bag opening by people is improved, the problem that the bag opening is filled with water is solved, the bag opening is large, the bag opening needs to be folded by people when oxygen is injected and sealed, the bag opening is made to be small, but certain time is consumed when the bag opening is folded by people, and the packaging efficiency is reduced.

Description

Automatic conveying water injection device for shrimp larvae packaging and using method

Technical Field

The invention relates to a water injection device, in particular to an automatic conveying water injection device for shrimp fry packaging and a using method thereof.

Background

The packaging of the shrimp seeds refers to the steps of putting the shrimp seeds into a bag, then injecting water and oxygen into the bag, grasping the bag, rotating the bag body to enable the opening of the bag to be sealed in a rotating mode, and finally transporting the bag to a designated place.

However, in order to fill the bag with water, the opening of the bag is set to be large, which results in that people need to fold the bag mouth to make the bag mouth smaller when injecting oxygen and sealing, but people can consume a certain time when folding the bag mouth, which results in that the packing efficiency is reduced.

Disclosure of Invention

The invention aims to provide an automatic conveying water injection device for shrimp fry packaging and a using method thereof, which aim to solve the problems in the background technology.

In order to achieve the above object, one of the objects of the present invention is to provide an automatic conveying and water injecting device for shrimp fry packaging, which includes a transmission mechanism, a water injecting mechanism and a limiting mechanism, wherein the transmission mechanism includes two side plates disposed opposite to each other, a plurality of rotating rollers are rotatably disposed between the two side plates, a driving motor is disposed on a side wall of one of the side plates, an output shaft of the driving motor penetrates through a side wall of the side plate and is coaxially connected with an end portion of one of the rotating rollers, a conveying belt is rotatably disposed on an outer wall of the plurality of rotating rollers, the water injecting mechanism is disposed on a top of one of the side plates and is used for injecting water into a bag body, and the limiting mechanism at least includes:

the carrier comprises a plurality of bottom plates, the bottom plates are arranged on the surface of the conveyor belt, a sliding groove is formed in the surface of each bottom plate, a carrier box is arranged above each bottom plate, two ends of the bottom of each carrier box are oppositely provided with push plates, the bottoms of the push plates are arranged in an inclined mode, and the bottoms of the carrier boxes are connected with the top bottom plate through a plurality of compression springs;

the locating part, the locating part includes head rod and second connecting rod, head rod and second connecting rod are symmetrical structure, the head rod is located the top of second connecting rod, the both ends of second connecting rod and the both ends of head rod all are provided with the connecting piece, wherein:

the connecting piece at second connecting rod both ends is close to one side of head rod, the connecting piece at head rod both ends is close to one side of second connecting rod, makes two connecting pieces be staggered arrangement, the bottom of connecting piece is provided with the slider, the slider slides and sets up in the spout, connect through the transfer line between two connecting pieces at second connecting rod both ends and two second connecting rods at head rod both ends.

As a further improvement of the technical scheme, the water injection mechanism comprises a third support column, the third support column is fixed to the top of one of the side plates, a support plate is fixedly arranged on the top of the third support column, a water pump is arranged on the support plate, a water outlet of the water pump is communicated with a drain pipe, and a water inlet of the water pump is connected with a pipeline of an external water source.

As a further improvement of the technical scheme, the first connecting rod and the second connecting rod are both arc-shaped structures.

As a further improvement of the technical scheme, a plurality of fixing plates are arranged at the top of the bottom plate, the fixing plates are located at one ends of the sliding grooves, a return spring is arranged between the fixing plates and the first supporting column, a straight rod is arranged at the inner ring of the return spring, one end of the straight rod is connected with the side wall of the first supporting column, and the other end of the straight rod penetrates through the fixing plates and is connected with the fixing plates in a sliding manner.

As a further improvement of the technical scheme, the connecting piece comprises a connecting cylinder and a first supporting column, the top end of the first supporting column penetrates into the bottom end of the connecting cylinder and is connected with the bottom end of the connecting cylinder in a sliding mode, a bolt is connected to the side wall of the connecting cylinder in a threaded mode, the bottom end of the first supporting column is fixedly connected with the top end of a sliding block, one part of the bottom end of the first supporting column is connected with a second connecting rod, and the other part of the connecting cylinder is connected with a first connecting rod.

As a further improvement of the technical scheme, the bottom of the sliding block is rotatably provided with a ball, and the side wall of the ball is attached to the side wall of the sliding groove.

As a further improvement of the technical scheme, the bottom of bottom plate is rotated and is provided with the back shaft, the back shaft is fixed to be set up at the conveyer belt top, the periphery that bottom plate bottom outer wall is located the back shaft is provided with the toothed disc, one of them the top one end of curb plate is provided with the mounting panel, the lateral wall of mounting panel is provided with the spliced pole, the one end of spliced pole is provided with the rack, rack and toothed disc meshing.

As a further improvement of the technical solution, the bottom of the carrying box is provided with a plurality of second supporting columns, the bottom ends of the second supporting columns longitudinally penetrate through the top of the bottom plate and are slidably connected with the bottom plate, the second supporting columns are located between the gear plate and the supporting shaft, and rollers are rotatably arranged at the bottom ends of the second supporting columns.

As a further improvement of the technical scheme, a plurality of first convex blocks are arranged at the bottom of the first connecting rod, a plurality of second convex blocks are arranged at the top of the second connecting rod, and the tops of the second convex blocks and the first convex blocks are both arc-shaped structures.

The invention also aims to provide an automatic conveying and water injecting method for shrimp fry packaging, which comprises the following steps:

s1, the bag enters a bearing box, and the top of the bag opening is turned outwards to the outer sides of a first connecting rod and a second connecting rod;

s2, the driving motor is electrified to work, an output shaft of the driving motor drives the conveying belt to rotate through the rotating roller, the conveying belt drives the bottom plate and the bearing box to move, and when the bag in the bearing box moves to the water injection mechanism, the water injection mechanism injects water into the bag;

s3, the bag after water injection is heavy, the compression spring is stressed through the bearing box, the compression spring is deformed to drive the bearing box to move downwards, the bearing box moves downwards, the distance between the bearing box and the second connecting rod and the distance between the bearing box and the first connecting rod are lengthened, the bag opening is separated from the outer sides of the second connecting rod and the first connecting rod through tensile force, meanwhile, the bearing box moves downwards to push the transmission rod to move through the inclined surface of the push plate, the transmission rod drives the second connecting rod and the first connecting rod to move relatively through the connecting piece, and the bag opening is clamped by the second connecting rod and the first connecting rod.

Compared with the prior art, the invention has the following beneficial effects:

1. in this shrimp seedling packing is with automatic water injection device that carries and application method, move down through bearing the box and drive second connecting rod and the inward relative movement of head rod, fold the sack at the removal in-process, so as to improve the efficiency that people folded the sack, solved for the convenience of carrying out the water injection to the sack, the opening of sack all can set up very big, this has just resulted in need people fold the sack when injecting oxygen and sealing, make the sack diminish, but people can consume certain time when folding the sack, the efficiency that leads to packing is reduced problem.

2. According to the automatic conveying water injection device for the shrimp seed packaging and the using method, the limiting mechanism is driven to move through the conveyor belt, the gear disc is in contact with the rack, the gear disc is stressed to drive the bottom plate to rotate through the supporting shaft, the bottom plate drives the bearing box to rotate, the bearing box drives the bag to rotate, at the moment, only the bag mouth needs to be grasped, and the bag mouth can be sealed through the rotation of the bag, so that manual labor force is reduced.

3. In this shrimp fry packing is with automatic water injection device and application method of carrying, through first connecting rod and the contact of second lug, the first connecting rod is compelled to move up through the connecting piece this moment, the second connecting rod is compelled to move down through the connecting piece, and first lug breaks away from in the second lug, second connecting rod and first connecting rod just begin to reset this moment, form a power of rocking at this in-process, and second lug and first lug set up a plurality ofly, lead to second connecting rod and first connecting rod frequently to rock at the removal in-process, and then shake away the water that the sack goes out sputter.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a transport mechanism according to embodiment 1 of the present invention;

FIG. 3 is a schematic structural view of a water injection mechanism in embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of a limiting mechanism in embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a carrier according to embodiment 1 of the present invention;

fig. 6 is a schematic view of a limiting member structure according to embodiment 1 of the present invention;

FIG. 7 is a schematic view of a slider structure according to embodiment 1 of the present invention;

FIG. 8 is a schematic structural view of a gear plate according to embodiment 1 of the present invention;

FIG. 9 is an enlarged view of the structure of the rack A in the embodiment 1 of FIG. 2;

fig. 10 is an enlarged view of the structure of the second bump B in embodiment 1 of fig. 6.

The various reference numbers in the figures mean:

100. a transport mechanism; 110. a side plate; 111. rotating the roller; 112. a drive motor; 113. a conveyor belt;

200. a water injection mechanism; 210. a third support column; 211. a support plate; 212. a water pump; 213. a drain pipe;

300. a limiting mechanism;

310. a carrier; 311. a base plate; 312. a chute; 313. a carrying case; 314. pushing the plate; 315. a compression spring;

320. a limiting member; 321. a first connecting rod; 322. a second connecting rod; 323. a connecting member; 324. a slider; 325. a transmission rod; 326. a first support column; 327. a connecting cylinder;

330. a fixing plate; 331. a return spring; 332. a straight rod;

340. a ball bearing;

350. a support shaft; 351. a gear plate; 352. mounting a plate; 353. connecting columns; 354. a rack;

360. a second support column; 361. a roller;

370. a second bump; 371. a first bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1 to 7, an object of the present embodiment is to provide an automatic conveying and water injecting device for shrimp larvae packaging, which includes a transmission mechanism 100, a water injecting mechanism 200, and a limiting mechanism 300, wherein the transmission mechanism 100 includes two side plates 110 disposed opposite to each other, a plurality of rotating rollers 111 are rotatably disposed between the two side plates 110, a driving motor 112 is disposed on a side wall of one of the side plates 110, an output shaft of the driving motor 112 penetrates through the side wall of one of the side plates 110 and is coaxially connected to an end of one of the rotating rollers 111, a conveying belt 113 is rotatably disposed on an outer wall of the plurality of rotating rollers 111, the water injecting mechanism 200 is disposed on a top of one of the side plates 110 and is configured to inject water into a bag body, and the limiting mechanism 300 at least includes:

the bearing part 310 comprises a bottom plate 311, the bottom plate 311 is provided with a plurality of bottom plates 311, the bottom plates 311 are all arranged on the surface of the conveying belt 113, a sliding groove 312 is formed in the surface of the bottom plate 311, a bearing box 313 is arranged above the bottom plate 311, two ends of the bottom of the bearing box 313 are provided with push plates 314 oppositely, the bottoms of the push plates 314 are arranged in an inclined mode, the bottom of the bearing box 313 is connected with the top bottom plate 311 through a plurality of compression springs 315, the compression springs 315 are all located on two sides of a gap between the two push plates 314, and the compression springs 315 are prevented from influencing the movement of the conveying belt 325;

the limiting member 320, the limiting member 320 include the head rod 321 and the second connecting rod 322, the head rod 321 and the second connecting rod 322 are symmetrical structures, the head rod 321 is located the top of the second connecting rod 322, both ends of the second connecting rod 322 and both ends of the head rod 321 are provided with the connecting piece 323, wherein:

the connecting pieces 323 at two ends of the second connecting rod 322 are close to one side of the first connecting rod 321, the connecting pieces 323 at two ends of the first connecting rod 321 are close to one side of the second connecting rod 322, so that the two connecting pieces 323 are arranged in a staggered manner, and the second connecting rod 322 can move towards the first connecting rod 321 conveniently, the first connecting rod 321 can move the second connecting rod 322, the bottom of the connecting piece 323 is provided with a sliding block 324, the sliding block 324 is arranged in the sliding groove 312 in a sliding manner, the two connecting pieces 323 at two ends of the second connecting rod 322 are connected with the two second connecting rods 322 at two ends of the first connecting rod 321 through a transmission rod 325, the bearing box 313 moves downwards to drive the second connecting rod 322 and the first connecting rod 321 to move inwards relatively, a bag opening is closed in the moving process, and the efficiency of closing the bag opening of people can be improved conveniently.

When the conveying mechanism 100 and the water injection mechanism 200 of the embodiment are used specifically, a bag is placed into the carrying box 313, and the mouth of the bag is turned outwards to the outer sides of the first connecting rod 321 and the second connecting rod 322 so as to improve the efficiency of water injection, then a shrimp seedling is placed into the bag, the driving motor 112 operates, an output shaft of the driving motor drives the conveyor belt 113 to rotate through the rotating roller 111, the conveyor belt 113 drives the bottom plate 311 and the carrying box 313 to move, when the bag in the carrying box 313 moves to the position of the water injection mechanism 200, after the water injection mechanism 200 injects water into the bag, the bag is heavy, the bearing box 313 applies pressure to the compression spring 315 through the carrying box 313, the compression spring 315 is deformed to drive the carrying box 313 to move downwards, the distance between the carrying box 313 and the second connecting rod 322 and the first connecting rod 321 is lengthened, at this time, the mouth of the bag is pulled to be separated from the outer sides of the second connecting rod 322 and the first connecting rod 321, meanwhile, the carrying box 313 moves downwards to push the driving rod 325 to drive the second connecting rod 322 and the first connecting rod 321 to move through the connecting rod 323, and the push plate 325 is clamped by the connecting rod 322.

On this basis, specifically disclose water injection mechanism 200, water injection mechanism 200 includes third support column 210, and third support column 210 is fixed at the top of one of them curb plate 110, and the fixed backup pad 211 that is provided with in top of third support column 210, the last water pump 212 that is provided with of backup pad 211, the outlet intercommunication of water pump 212 has drain pipe 213, and the water inlet of water pump 212 is connected with the pipeline of external water source, through the drive of water pump 212, makes the velocity of flow of water increase, can further improve the efficiency of water injection.

Further, in order to improve the efficiency of closing the bag opening, the first connecting rod 321 and the second connecting rod 322 are both arc-shaped structures, and when the arc-shaped second connecting rod 322 and the arc-shaped first connecting rod 321 move relatively, a gap between the second connecting rod 322 and the first connecting rod 321 can be contracted from outside to inside, so that the bag opening is closed to a smaller range.

Further, in order to realize the quick reset of the second connecting rod 322 and the first connecting rod 321, a plurality of fixing plates 330 are disposed on the top of the bottom plate 311, the fixing plates 330 are located at one end of the sliding groove 312, a return spring 331 is disposed between the fixing plates 330 and the first supporting column 326, a straight rod 332 is disposed on an inner ring of the return spring 331, one end of the straight rod 332 is connected to a side wall of the first supporting column 326, and the other end of the straight rod 332 penetrates through the fixing plates 330 and is slidably connected thereto, when the second connecting rod 322 drives the first supporting column 326 to move towards the fixing plates 330 through the connecting cylinder 327, the return spring 331 is compressed by an acting force, the straight rod 332 limits the return spring 331, the straight rod 332 is prevented from being excessively compressed and turned over, after the bag is taken out, the acting force disappears, and at this time, the return spring 331 rebounds to push the first supporting column 326, so that the second connecting rod 322 and the first connecting rod 321 are reset.

Specifically, in order to adjust the heights of the second connecting rod 322 and the first connecting rod 321, the connecting member 323 comprises a connecting cylinder 327 and a first supporting column 326, the top end of the first supporting column 326 penetrates through the bottom end of the connecting cylinder 327 and is slidably connected with the bottom end of the connecting cylinder 327, a bolt is connected to the side wall of the connecting cylinder 327 in a threaded manner, the bottom end of the first supporting column 326 is fixedly connected with the top end of the sliding block 324, the top end of a part of the connecting cylinder 327 is connected with the second connecting rod 322, and the top end of the other part of the connecting cylinder 327 is connected with the first connecting rod 321.

In addition, in order to improve the smoothness of the sliding of the slider 324, the ball 340 is rotatably disposed at the bottom of the slider 324, and the side wall of the ball 340 is attached to the side wall of the sliding groove 312, so that the contact area between the slider 324 and the sliding groove 312 is relatively long, which causes a relatively large friction force, and abnormal noise is likely to occur, therefore, the contact area between the slider 324 and the sliding groove 312 is reduced by the disposed ball 340, and the sliding friction between the slider 324 and the water discharge pipe 213 is converted into the rotating friction by the ball 340, so that the friction force is reduced, and the generation of abnormal noise is reduced.

The second purpose of the embodiment is to provide an automatic conveying and water injecting method for shrimp larvae packaging, which comprises the following steps:

s1, the bag enters the bearing box 313, and the top of the bag opening is turned outwards to the outer sides of the first connecting rod 321 and the second connecting rod 322;

s2, the driving motor 112 is electrified to work, an output shaft of the driving motor drives the conveyor belt 113 to rotate through the rotating roller 111, the conveyor belt 113 drives the bottom plate 311 and the bearing box 313 to move, and when the bags in the bearing box 313 move to the water injection mechanism 200, the water injection mechanism 200 injects water into the bags;

s3, the bag after water injection is heavy, the compression spring 315 is pressurized through the bearing box 313, the compression spring 315 is deformed to drive the bearing box 313 to move downwards, the distance between the downward movement of the bearing box 313 and the downward movement of the second connecting rod 322 and the first connecting rod 321 is lengthened, the bag opening is separated from the outer sides of the second connecting rod 322 and the first connecting rod 321 under the action of tensile force, meanwhile, the bearing box 313 moves downwards to push the transmission rod 325 to move through the inclined surface of the push plate 314, the transmission rod 325 drives the second connecting rod 322 and the first connecting rod 321 to move relatively through the connecting piece 323, and the bag opening is clamped by the second connecting rod 322 and the first connecting rod 321.

Example 2

In order to rapidly seal the bag opening, the embodiment is further optimized on the basis of the embodiment 1:

referring to fig. 8-9, a supporting shaft 350 is rotatably disposed at the bottom of the bottom plate 311, the supporting shaft 350 is fixedly disposed at the top of the conveying belt 113, a gear plate 351 is disposed on the outer wall of the bottom plate 311 and located at the periphery of the supporting shaft 350, a mounting plate 352 is disposed at one end of the top of one of the side plates 110, a connecting column 353 is disposed on a side wall of the mounting plate 352, a rack 354 is disposed at one end of the connecting column 353, the rack 354 is engaged with the gear plate 351, and in view of the rotation required for sealing the bag opening, for this reason, the conveying belt 113 drives the limiting mechanism 300 to move, so that the gear plate 351 is in contact with the rack 354, the gear plate 351 is forced to drive the bottom plate 311 to rotate by the supporting shaft 350, the bottom plate 311 drives the carrying box 313 to rotate, the carrying box 313 drives the bag to rotate, and the bag opening only needs to be grasped at this time, the bag rotates to seal the bag opening, so as to reduce the labor force.

Further, in order to improve the stability of the rotation of the bottom plate 311, a plurality of second supporting columns 360 are arranged at the bottom of the carrying box 313, the bottom ends of the second supporting columns 360 longitudinally penetrate through the top of the bottom plate 311 and are slidably connected with the top of the bottom plate 311, the second supporting columns 360 are located between the gear disc 351 and the supporting shaft 350 so as not to affect the meshing of the gear disc 351 and the rack 354, rollers 361 are rotatably arranged at the bottom ends of the second supporting columns 360, and in consideration of the fact that the bottom plate 311 is large, the supporting shaft 350 is easily damaged due to excessive stress by only being supported by the supporting shaft 350, therefore, after the carrying box 313 starts to move downwards under the action of water in a bag, the carrying box 313 drives the second supporting columns 360 to move downwards, the second supporting columns 360 move downwards so that the rollers 361 at the bottom ends of the second supporting columns are in contact with the top of the conveyor belt 113, at the moment, the second supporting columns 360 can also support the bottom plate 311, the stability of the rotation is improved, meanwhile, the second supporting columns 360 are arranged at the inner rings of the compression springs 315, when the compression springs 315 are compressed, the compression springs are limited, that the second supporting columns 360 can also be capable of limiting the compression springs 315, and the compression springs 315 can be prevented from being overturned due to be limited.

Example 3

In order to facilitate the removal of water at the bag opening, the embodiment is further optimized on the basis of embodiment 1:

referring to fig. 10, a plurality of first bumps 371 are disposed at the bottom of the first connecting rod 321, a plurality of second bumps 370 are disposed at the top of the second connecting rod 322, and the tops of the second bumps 370 and the first bumps 371 are both arc-shaped, so that when a user grasps a bag mouth during water filling, the user can wet his or her hand by splashing some water onto the bag mouth, and therefore, the bolt on the sidewall of the connecting cylinder 327 is removed, the first connecting rod 321 contacts the second bumps 370 during relative movement of the first connecting rod 321 and the second connecting rod 322, the first connecting rod 321 is forced to move up through the connecting part 323, the second connecting rod 322 is forced to move down through the connecting part 323, and the first bumps 371 are disengaged from the second bumps 370, and the second connecting rod 322 and the first connecting rod 321 begin to reset, and a shaking force is generated during the process, and the second bumps 370 and the first bumps 371 are disposed in plural numbers, so that the second connecting rod 322 and the first connecting rod 321 are frequently splashed during movement, and the water out of the bag mouth is further removed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a shrimp seedling is automatic conveying water injection device for baling, its characterized in that: including transmission device (100), water injection mechanism (200) and stop gear (300), transmission device (100) includes curb plate (110) of two relative settings, two it is provided with a plurality of roller (111) of changeing to rotate between curb plate (110), one of them the lateral wall of curb plate (110) is provided with driving motor (112), the output shaft of driving motor (112) runs through curb plate (110) lateral wall to with the tip coaxial coupling of one of them roller (111), it is a plurality of the outer wall of roller (111) rotates and is provided with conveyer belt (113), water injection mechanism (200) set up the top at one of them curb plate (110) for pour into water into the internal of bag, stop gear (300) include at least:

the conveying belt comprises a bearing piece (310), the bearing piece (310) comprises a bottom plate (311), the bottom plate (311) is provided with a plurality of bottom plates (311), the bottom plates (311) are all arranged on the surface of the conveying belt (113), sliding grooves (312) are formed in the surface of the bottom plate (311), a bearing box (313) is arranged above the bottom plate (311), push plates (314) are oppositely arranged at two ends of the bottom of the bearing box (313), the bottoms of the push plates (314) are arranged in an inclined mode, and the bottom of the bearing box (313) is connected with the top bottom plate (311) through a plurality of compression springs (315);

locating part (320), locating part (320) includes head rod (321) and second connecting rod (322), head rod (321) and second connecting rod (322) are symmetrical structure, head rod (321) are located the top of second connecting rod (322), the both ends of second connecting rod (322) and the both ends of head rod (321) all are provided with connecting piece (323), wherein:

connecting piece (323) at second connecting rod (322) both ends are close to one side of head rod (321), connecting piece (323) at head rod (321) both ends are close to one side of second connecting rod (322), make two connecting pieces (323) be the staggered arrangement, the bottom of connecting piece (323) is provided with slider (324), slider (324) slide and set up in spout (312), connect through transfer line (325) between two connecting pieces (323) at second connecting rod (322) both ends and two second connecting rods (322) at head rod (321) both ends.

2. The automatic conveying and water injecting device for shrimp larvae packaging as claimed in claim 1, wherein: the water injection mechanism (200) comprises a third supporting column (210), the third supporting column (210) is fixed to the top of one side plate (110), a supporting plate (211) is fixedly arranged on the top of the third supporting column (210), a water pump (212) is arranged on the supporting plate (211), a water outlet of the water pump (212) is communicated with a water discharge pipe (213), and a water inlet of the water pump (212) is connected with a pipeline of an external water source.

3. The automatic conveying and water injecting device for shrimp larvae packaging as claimed in claim 1, wherein: the first connecting rod (321) and the second connecting rod (322) are both arc-shaped structures.

4. The automatic conveying and water injecting device for shrimp larvae packaging as claimed in claim 1, wherein: the top of bottom plate (311) is provided with a plurality of fixed plates (330), fixed plate (330) are located the one end of spout (312), be provided with reset spring (331) between fixed plate (330) and first support column (326), reset spring (331) inner circle is provided with straight-bar (332), the one end and the first support column (326) lateral wall of straight-bar (332) are connected, and the other end runs through fixed plate (330) and sets up to rather than sliding connection.

5. The automatic conveying and water injecting device for shrimp larvae packaging as claimed in claim 1, wherein: the connecting piece (323) comprises a connecting cylinder (327) and a first supporting column (326), the top end of the first supporting column (326) penetrates into the bottom end of the connecting cylinder (327) and is in sliding connection with the bottom end of the connecting cylinder, a bolt is in threaded connection with the side wall of the connecting cylinder (327), the bottom end of the first supporting column (326) is fixedly connected with the top end of a sliding block (324), one part of the top end of the connecting cylinder (327) is connected with a second connecting rod (322), and the other part of the connecting cylinder (327) is connected with a first connecting rod (321).

6. The automatic conveying and water injecting device for shrimp larvae packaging as claimed in claim 1, wherein: the bottom of the sliding block (324) is rotatably provided with a ball (340), and the side wall of the ball (340) is attached to the side wall of the sliding groove (312).

7. The automatic conveying and water injecting device for shrimp larvae packaging as claimed in claim 1, wherein: the bottom of bottom plate (311) rotates and is provided with back shaft (350), back shaft (350) are fixed to be set up at conveyer belt (113) top, the periphery that bottom plate (311) bottom outer wall is located back shaft (350) is provided with toothed disc (351), one of them the top one end of curb plate (110) is provided with mounting panel (352), the lateral wall of mounting panel (352) is provided with spliced pole (353), the one end of spliced pole (353) is provided with rack (354), rack (354) and toothed disc (351) meshing.

8. The automatic conveying and water injecting device for shrimp larvae packaging as claimed in claim 7, wherein: the bottom of bearing box (313) is provided with a plurality of second support columns (360), bottom vertically run through bottom plate (311) top of second support column (360) to rather than sliding connection, second support column (360) are located between gear dish (351) and support shaft (350), the bottom of second support column (360) is rotated and is provided with roller (361).

9. The automatic conveying and water injecting device for shrimp larvae packaging as claimed in claim 5, wherein: the bottom of first connecting rod (321) is provided with a plurality of first lugs (371), the top of second connecting rod (322) is provided with a plurality of second lugs (370), the top of second lug (370) and first lug (371) is the arc structure.

10. A method of using the automatic feeding and water injecting apparatus for shrimp larvae packing of any one of claims 1 to 9, comprising: the method comprises the following steps:

s1, the bag enters a bearing box (313), and the top of the bag opening is turned outwards to the outer sides of a first connecting rod (321) and a second connecting rod (322);

s2, the driving motor (112) is electrified to work, an output shaft of the driving motor drives the conveyor belt (113) to rotate through the rotating roller (111), the conveyor belt (113) drives the bottom plate (311) and the bearing box (313) to move, and when the bag in the bearing box (313) moves to the water injection mechanism (200), the water injection mechanism (200) injects water into the bag;

s3, the bag after water injection is heavy, pressure is applied to the compression spring (315) through the bearing box (313), the compression spring (315) is enabled to deform to drive the bearing box (313) to move downwards, the distance between the bearing box (313) and the second connecting rod (322) and the first connecting rod (321) is lengthened, the bag opening is separated from the outer sides of the second connecting rod (322) and the first connecting rod (321) under the action of tensile force, meanwhile, the bearing box (313) moves downwards to push the transmission rod (325) to move through the inclined surface of the push plate (314), the transmission rod (325) drives the second connecting rod (322) and the first connecting rod (321) to move relatively through the connecting piece (323), and the bag opening is clamped by the second connecting rod (322) and the first connecting rod (321).