CN108308668B

CN108308668B - Aquatic product feeding device

Info

Publication number: CN108308668B
Application number: CN201810149267.5A
Authority: CN
Inventors: 滕爽爽; 黄振华; 陈星星; 吴越; 曾国权; 陆荣茂
Original assignee: Zhejiang Mariculture Research Institute
Current assignee: Zhejiang Mariculture Research Institute
Priority date: 2018-02-13
Filing date: 2018-02-13
Publication date: 2020-04-17
Anticipated expiration: 2038-02-13
Also published as: CN108308668A

Abstract

The invention discloses an aquatic product feeder, which comprises a rack, a powder storage box, a water storage box, a stirring box, an extrusion device and a slicing device, wherein the powder storage box, the water storage box, the stirring box, the extrusion device and the slicing device are arranged on the rack, the powder storage box and the water storage box are arranged at the upper end of the stirring box, powder is stirred in the stirring box, the lower end of the stirring box is provided with a first discharge hole, the first discharge hole is communicated with the extrusion device, the extrusion device comprises a material extruding barrel, a feed screw rod and a second motor, the second motor drives the feed screw rod to rotate in the material extruding barrel, the material extruding barrel is provided with a blocking disc, a first through hole is formed in the blocking disc, the slicing device is arranged at the position of the first through hole corresponding to the blocking disc, powder enters the material extruding barrel, a cutter assembly is driven by a driving assembly to slice a strip-shaped mixed material extruded from the material extruding, is suitable for different aquatic products with different growth cycles.

Description

Aquatic product feeding device

Technical Field

The invention relates to the field of aquaculture equipment, in particular to an aquatic product feeder.

Background

Aquaculture is the production activity of breeding, cultivating and harvesting aquatic animals and plants under artificial control. Generally comprises the whole process of cultivating aquatic products from seedlings under artificial feeding management. In a broad sense, this may also include the proliferation of aquatic resources. Aquaculture has modes of rough culture, intensive culture, high-density intensive culture and the like. The rough culture is to put seedlings in medium and small natural waters and to culture aquatic products such as fish in lakes and reservoirs, shellfish in shallow seas and the like by completely relying on natural baits. Intensive culture is to culture aquatic products such as pond fish culture, net cage fish culture, fence culture and the like in a small water body by using bait casting and fertilizing methods. The high-density intensive culture adopts methods of flowing water, controlling temperature, increasing oxygen, feeding high-quality baits and the like to carry out high-density culture in a small water body so as to obtain high yield, such as flowing water high-density fish culture, shrimp culture and the like.

In the high-density intensive culture process, the bait proportioning needs to be customized according to different culture densities and different growth cycles of aquatic products, the bait in the existing market can not highly meet the requirements of different varieties of aquatic products with different growth cycles, the powder with various different components needs to be automatically proportioned in a large-scale culture product, the powder is uniformly mixed into a dough shape through stirring and then manually cut, a large amount of manpower and material resources are needed, and the efficiency is slow.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an aquatic product feeder which can automatically mix different powder materials and divide the powder materials into equally-divided baits so as to adapt to different aquatic products with different growth cycles.

In order to achieve the purpose, the invention provides the following technical scheme: an aquatic product feeder comprises a frame, a powder storage tank, a water storage tank, a stirring box, an extrusion device and a slicing device, wherein the powder storage tank and the water storage tank are arranged at the upper end of the stirring box, the powder storage tank is provided with a powder outlet, the water storage tank is provided with a water outlet, the powder outlet and the water outlet are both arranged at the upper end of the stirring box, the stirring box is provided with a stirring rod and a first motor, the first motor drives the stirring rod to rotate, the lower end of the stirring box is provided with a first discharge hole, the first discharge hole is communicated with the extrusion device, the extrusion device comprises an extrusion cylinder, a feeding screw rod and a second motor, a feeding hole is arranged on the outer peripheral surface of one end of the extrusion cylinder, the feeding hole is communicated with the first discharge hole, the second motor drives the feeding screw rod to rotate in the extrusion cylinder, a second discharge hole is arranged at one end of the extrusion cylinder, which is far away from, the section device sets up in the first through-hole position that the closing plate corresponds, and this section device is including cutter unit spare and drive assembly, and this drive assembly drives cutter unit spare and cuts into slices the rectangular shape compounding that extrudes the extruded section of thick bamboo.

As a further improvement of the invention, the lower end of the stirring box is provided with a blanking chamber, a first discharge hole is arranged on the lower bottom surface of the stirring box and communicated with the blanking chamber, the first discharge hole is provided with a valve which is connected with the stirring box in a sliding way, the valve is provided with a valve controller which controls the opening and closing of the valve, the lower end of the side surface of the blanking chamber is provided with a first through groove communicated with the feed inlet, the blanking chamber comprises a shell, the shell is provided with a bottom plate which is obliquely arranged with the horizontal plane, the bottom plate inclines downwards towards one side of the first through groove, the lower end of the shell is provided with a vibration component which is used for slowly shaking out the mixed materials in the blanking chamber into.

As a further improvement of the invention, the bottom plate is connected with the shell in a sliding manner, the vibration assembly is connected with the bottom plate and comprises a support column, a base and a third motor, a groove hole for lifting the support column is formed in the base, one end of the support column extends into the groove hole, the other end of the support column is connected with the bottom plate, a cam is arranged in the groove hole and is arranged at the lower end of the support column, the peripheral surface of the cam is mutually abutted against the support column, and when the third motor drives the cam to rotate, the cam drives the support column to do lifting movement in the.

As a further improvement of the invention, a bearing seat is arranged on the edge of the upper end surface of the shell, the stirring box is rotationally connected with the shell through the bearing seat, a fourth motor is arranged on the frame, the output shaft of the fourth motor is connected with the center of the stirring box, and the output shaft of the fourth motor is eccentrically arranged with the output shaft of the first motor.

As a further improvement of the invention, the slicing device further comprises a mounting seat, the mounting seat is provided with a second through hole aligned with the first through hole, the mounting seat is provided with an accommodating cavity for the cutter assembly to stretch and retract along the periphery of the second through hole, and the driving assembly is arranged in the accommodating cavity;

a cutter mounting groove is arranged in the accommodating cavity, the cutter assembly comprises at least two cutters which are aligned and matched with each other, each cutter comprises a sliding rod, the sliding rod is connected with the cutter mounting groove in a sliding mode, one end, extending into the second through hole, of the sliding rod is provided with a cutter head, the driving assembly comprises a gear set, a rack, a driving gear ring and a driving device for driving the driving gear ring to rotate repeatedly, the rack is fixedly connected with the sliding rod, a second through groove is formed in the side of the rack of the cutter mounting groove, the gear set is meshed with the rack at the second through groove, an annular groove matched with the driving gear ring is formed in the mounting seat, the driving gear ring rotates in the annular groove, the driving gear ring is meshed with the gear set and the rack in sequence, the gear set comprises a driving gear, a first driven gear, a second driven gear and a reversing gear, the driving gear is meshed with the driving gear ring, and the, the first driven gear is meshed with the driving gear, the second driven gear is meshed with the driving gear through the reversing gear, a third through hole communicated with the accommodating cavity is formed in the side wall of the annular groove, and the driving gear extends out of the third through hole to be meshed with the driving gear ring;

the connecting rod extends in the circumferential direction of the driving gear ring, the driving device is an air cylinder, a piston rod of the air cylinder is hinged to the connecting rod, and the air cylinder drives the driving gear ring to rotate repeatedly when the air cylinder does the return linear motion.

As a further improvement of the invention, the mounting seat is provided with a water inlet hole and a water outlet hole, the water inlet hole is connected with a water inlet pipe, and the water inlet pipe flows through the water flowing cutter head after water flows through the water inlet pipe.

The invention has the beneficial effects that: through setting up powder storage tank and storage water tank, place the powder that the proportion is mixed in the powder storage tank, store up in the storage water tank and place the clear water, when using, open out powder mouth and delivery port, transfer powder and clear water into the stirring box, and stir the mixing through the puddler, the powder extrudes into rectangular form through the shaping of extrusion feed cylinder, through setting up the closure disc of different apertures, make the bait of shaping not equidimension, set up the cutter assembly in the first through-hole outside position of closure disc, the cutter does the action of cuting repeatedly, cut the rectangular form bait into the slice, the bait after the section is collected through collection device, put into raising the water tank with bait, its bait after through accurate ratio by oneself accords with the growth demand of the aquatic products of different growth cycles better, the growth cycle of accurate control aquatic products under high density aquaculture, in addition its equipment preparation is efficient, can automatic preparation bait, the labor is saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a slicing apparatus;

fig. 3 is a cross-sectional view of the slicing apparatus.

1. A frame; 2. a powder storage box; 3. a water storage tank; 4. a stirring box; 5. an extrusion device; 6. a slicing device; 7. a powder outlet; 8. a water outlet; 9. a stirring rod; 10. a first motor; 11. a first discharge port; 12. extruding the material barrel; 13. a feed screw; 14. a second motor; 15. a second discharge port; 16. blocking the disc; 17. a first through hole; 18. a cutter assembly; 19. a drive assembly; 20. a blanking chamber; 21. a valve; 22. a valve controller; 23. a first through groove; 24. a housing; 25. a base plate; 26. a vibration assembly; 27. a support pillar; 28. a base; 29. a third motor; 30. a slot; 31. a cam; 32. a bearing seat; 33. a fourth motor; 34. a mounting seat; 35. a second through hole; 36. an accommodating chamber; 37. a slide bar; 38. a cutter head; 39. a gear set; 40. a rack; 41. a drive gear ring; 42. a drive device; 43. a second through groove; 44. an annular groove; 45. a drive gear; 46. a first driven gear; 47. a second driven gear; 48. a reversing gear; 49. a third through hole; 50. a connecting rod; 51. a water inlet hole; 52. a water outlet hole; 53. a water inlet pipe; 54. a feed inlet; 55. and (4) installing a cutter installing groove.

Detailed Description

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

The embodiment shown in fig. 1-3 discloses an aquatic product feeder, which comprises a frame 1, a powder storage tank 2, a water storage tank 3, a stirring box 4, an extrusion device 5 and a slicing device 6, wherein the powder storage tank 2 and the water storage tank 3 are arranged at the upper end of the stirring box 4, the powder storage tank 2 is provided with a powder outlet 7, the water storage tank 3 is provided with a water outlet 8, the powder outlet 7 and the water outlet 8 are both arranged at the upper end of the stirring box 4, the stirring box 4 is provided with a stirring rod 9 and a first motor 10, the first motor 10 drives the stirring rod 9 to rotate, the lower end of the stirring box 4 is provided with a first material outlet 11, the first material outlet 11 is communicated with the extrusion device 5, the extrusion device 5 comprises an extrusion cylinder 12, a material feeding screw 13 and a second motor 14, a material feeding port 54 is arranged on the outer circumferential surface of one end of the extrusion cylinder 12, the material feeding port 54 is communicated with the first material outlet 11, the second motor 14, set up helical blade on the feeding screw 13, the one end that feed inlet 54 was kept away from to crowded feed cylinder 12 is provided with second discharge gate 15, and closure disc 16 is installed to second discharge gate 15, and it has first through-hole 17 to open on this closure disc 16, and section device 6 sets up in the first through-hole 17 position that closure disc 16 corresponds, and this section device 6 is including cutter unit spare 18 and drive assembly 19, and this drive assembly 19 drives cutter unit spare 18 and cuts into the rectangular shape compounding that extrudes crowded feed cylinder 12.

Through setting up powder storage tank 2 and storage water tank 3, place the powder that the proportion is mixed in powder storage tank 2, store up in storage water tank 3 and place the clear water, when using, open powder outlet 7 and delivery port 8, transfer powder and clear water to in the stirring box 4, and stir the mixing through puddler 9, the powder is extruded into rectangular form through the shaping of extrusion cylinder 12, through setting up the blanking disc 16 of different apertures, make the fashioned bait different size, set up cutter unit 18 in the first through-hole 17 outside position of blanking disc 16, the cutter does the action of cuting repeatedly, cut the rectangular form bait into the slice, after the bait after the section is collected through the collection device, put bait into raising the water tank, its bait after through accurate proportion by oneself accords with the growth demand of the aquatic products of different growth cycles better, the growth cycle of accurate control aquatic products under high density aquaculture, in addition its equipment preparation is efficient, can automatically make bait, and save manpower.

As an improved specific embodiment, the lower end of the stirring box 4 is provided with a blanking chamber 20, the first discharging hole 11 is arranged at the lower bottom surface of the stirring box 4 and is communicated with the blanking chamber 20, the first discharging hole 11 is provided with a valve 21, the valve 21 is slidably connected with the stirring box 4, the valve 21 is provided with a valve controller 22, the valve controller 22 controls the valve 21 to open and close, the lower end of the side surface of the blanking chamber 20 is provided with a first through groove 23 communicated with a feeding hole 54, the blanking chamber 20 comprises a casing 24, the casing 24 is provided with a bottom plate 25 which is obliquely arranged with the horizontal plane, the bottom plate 25 inclines downwards towards one side of the first through groove 23, the lower end of the casing 24 is provided with a vibration assembly 26, and the vibration assembly 26 is used for slowly shaking out the mixed material in the blanking chamber 20.

Through set up unloading room 20 at stirring box 4 lower extreme, the powder after the stirring is abundant in the stirring room, after agitator motor stops, valve controller 22 control flap 21 opens, the powder is transferred to unloading room 20, in the slow unloading of stirring box 4, in the crowded feed cylinder 12 is put down to the powder in vibrations subassembly 26 drive unloading room 20, make crowded feed cylinder 12 be difficult to pile up at feed inlet 54 at the feeding in-process powder, prevent that the powder is piling up the in-process, the powder below is by the powder compaction whereabouts difficulty of the top.

As an improved specific embodiment, the bottom plate 25 is slidably connected to the housing 24, the vibration assembly 26 is connected to the bottom plate 25, the vibration assembly 26 includes a supporting pillar 27, a base 28 and a third motor 29, a slot 30 for lifting the supporting pillar 27 is formed in the base 28, one end of the supporting pillar 27 extends into the slot 30, the other end of the supporting pillar 27 is connected to the bottom plate 25, a cam 31 is disposed in the slot 30, the cam 31 is disposed at the lower end of the supporting pillar 27, the outer peripheral surface of the cam 31 abuts against the supporting pillar 27, and when the third motor 29 drives the cam 31 to rotate, the cam 31 drives the supporting pillar 27 to move up and down in the slot 30.

The vibration component 26 has a simple structure, the cam 31 rotates to transmit, so that the bottom plate 25 generates a certain vibration sense when moving up and down, the vibration frequency can be controlled by controlling the rotating speed of the third motor 29, and powder falls into the extruding cylinder 12 along the inclined bottom plate 25 when the bottom plate 25 vibrates.

As a modified specific embodiment, a bearing seat 32 is arranged on the edge of the upper end surface of the shell 24, the stirring box 4 is rotatably connected with the shell 24 through the bearing seat 32, a fourth motor 33 is arranged on the frame 1, the output shaft of the fourth motor 33 is connected with the central position of the stirring box 4, and the output shaft of the fourth motor 33 is eccentrically arranged with the output shaft of the first motor 10.

Through setting up bearing frame 32 and rotating stirring box 4 and unloading room 20 casing 24 and be connected, make its overall structure compact, unloading room 20 plays the supporting role to stirring box 4, and then protects fourth motor 33, avoid its load to transship, through with fourth motor 33 and first motor 10 eccentric settings, the direction of rotation of puddler 9 can set up to the rotation opposite direction with stirring box 4, accelerate its stirring speed greatly when the stirring, and can each position go up intensive mixing.

As a modified specific embodiment, the slicing apparatus 6 further comprises a mounting seat 34, the mounting seat 34 is provided with a second through hole 35 aligned with the first through hole 17, the mounting seat 34 is provided with a receiving cavity 36 along the periphery of the second through hole 35 for the cutter assembly 18 to extend and retract, and the driving assembly 19 is mounted in the receiving cavity 36;

a cutter mounting groove 55 is arranged in the accommodating cavity 36, the cutter assembly 18 comprises at least two cutters which are aligned and inosculated with each other, each cutter comprises a sliding rod 37, the sliding rod 37 is connected with the cutter mounting groove 55 in a sliding way, one end of the sliding rod 37, which extends into the second through hole 35, is provided with a cutter head 38, the driving assembly 19 comprises a gear set 39, a rack 40, a driving toothed ring 41 and a driving device 42 for driving the driving toothed ring 41 to rotate repeatedly, the rack 40 is fixedly connected with the sliding rod 37, the cutter mounting groove 55 is provided with a second through groove 43 at the side of the rack 40, the gear set 39 is meshed with the rack 40 at the second through groove 43, an annular groove 44 matched with the driving toothed ring 41 is arranged on the mounting seat 34, the driving toothed ring 41 rotates in the annular groove 44, the driving toothed ring 41 is sequentially meshed with the gear set 39 and the rack 40, the gear set 39 comprises a driving gear 45, the driving gear 45 is meshed with the driving gear ring 41, the first driven gear 46 and the second driven gear 47 are respectively meshed with the racks 40 arranged on the two adjacent sliding rods 37, the first driven gear 46 is meshed with the driving gear 45, the second driven gear 47 is meshed with the driving gear 45 through the reversing gear 48, a third through hole 49 which is communicated with the accommodating cavity 36 is formed in the side wall of the annular groove 44, and the driving gear 45 extends out of the third through hole 49 to be meshed with the driving gear ring 41;

the driving gear ring 41 has a connecting rod 50 extending circumferentially, the driving device 42 is a cylinder, a piston rod of the cylinder is hinged to the connecting rod 50, and the cylinder drives the driving gear ring 41 to rotate repeatedly when performing a return linear motion.

When the cutting device is used, a piston rod of the air cylinder stretches back and forth, the connecting rod 50 which is hinged with the driving gear ring 41 drives the driving gear ring 41 to rotate repeatedly at a small angle, the driving gear ring 41 is rotated to drive the cutter to repeatedly approach and separate from the cutter to perform a shearing action, the specific driving gear ring 41 drives the gear 45 to rotate, and then the driven gear which is directly or indirectly meshed with the driving gear 45 rotates, the reversing gear 48 is arranged to enable the rotating directions of the first driven gear 46 and the second driven gear 47 to be opposite, the racks 40 arranged at two sides of the gear set 39 are meshed with the first driven gear 46 and the second driven gear 47, when the first driven gear 46 and the second driven gear 47 rotate reversely, the racks 40 and the sliding rods 37 connected with the racks are driven to move towards the center of the second through hole 35 or back to the center of the second through hole 35, and the diameters of the first driven gear 46, the second driven gear 47 and the, make the slide bar 37 sliding distance of two cutters unanimous, the drive of its drive assembly 19 and cutter is rational in infrastructure, convenient operation, and the action of two mutual propelling movement of tool bit 38 shearing makes rectangular compounding section incision more level and more smooth to set up the drive pivot into the cylinder, guarantee that section device 6 is stable in long-time working process.

In a modified embodiment, the mounting seat 34 is provided with a water inlet hole 51 and a water outlet hole 52, and the water inlet hole 51 is connected with a water inlet pipe 53, and the water inlet pipe 53 passes through the water flowing head 38 after passing through the water.

The mounting seat 34 is provided with flowing water, so that when the cutter assembly 18 is used for shearing, the flowing water cools and washes the cutter head, powder is prevented from being adhered to the cutter head 38 when the cutter head is used for shearing, the cutter head 38 keeps fresh, and after the cutter head 38 continuously and repeatedly shears, the friction force between the cutter head 38 and the cut surface of the powder is small, and the cutter head 38 keeps sharp.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. An aquatic product feeder is characterized in that: comprises a frame (1), and a powder storage box (2), a water storage box (3), a stirring box (4), an extrusion device (5) and a slicing device (6) which are arranged on the frame (1), wherein the powder storage box (2) and the water storage box (3) are arranged at the upper end of the stirring box (4), the powder storage box (2) is provided with a powder outlet (7), the water storage box (3) is provided with a water outlet (8), the powder outlet (7) and the water outlet (8) are both arranged at the upper end of the stirring box (4), the stirring box (4) is provided with a stirring rod (9) and a first motor (10), the first motor (10) drives the stirring rod (9) to rotate, the lower end of the stirring box (4) is provided with a first discharge hole (11), the first discharge hole (11) is communicated with the extrusion device (5), the extrusion device (5) comprises an extrusion cylinder (12), a feeding screw (13) and a second motor (14), be provided with feed inlet (54) on crowded feed cylinder (12) one end outer peripheral face, feed inlet (54) link up with first discharge gate (11), second motor (14) drive pay-off screw rod (13) at crowded feed cylinder (12) internal rotation, the one end of crowded feed cylinder (12) keeping away from feed inlet (54) is provided with second discharge gate (15), stifled dish (16) is installed to second discharge gate (15), and it has first through-hole (17) to open on this stifled dish (16), section device (6) set up in the first through-hole (17) position that stifled dish (16) correspond, and this section device (6) are including cutter unit (18) and drive assembly (19), and this drive assembly (19) drive cutter unit (18) are to extruding the rectangular shape compounding section of crowded feed cylinder (12),

the slicing device (6) further comprises a mounting seat (34), the mounting seat (34) is provided with a second through hole (35) aligned with the first through hole (17), the mounting seat (34) is provided with an accommodating cavity (36) for the cutter assembly (18) to stretch and retract along the periphery of the second through hole (35), and the driving assembly (19) is installed in the accommodating cavity (36);

a cutter mounting groove (55) is formed in the accommodating cavity (36), the cutter assembly (18) comprises at least two cutters which are aligned and matched with each other, each cutter comprises a sliding rod (37), the sliding rod (37) is connected with the cutter mounting groove (55) in a sliding mode, one end, extending into the second through hole (35), of the sliding rod (37) is provided with a cutter head (38), the driving assembly (19) comprises a gear set (39), a rack (40), a driving toothed ring (41) and a driving device (42) driving the driving toothed ring (41) to rotate repeatedly, the rack (40) is fixedly connected with the sliding rod (37), a second through groove (43) is formed in the side of the rack (40) of the cutter mounting groove (55), the gear set (39) is meshed with the rack (40) at the position of the second through groove (43), and an annular groove (44) matched with the driving toothed ring (41) is formed in the mounting seat (34), the driving gear ring (41) rotates in the annular groove (44), the driving gear ring (41) is sequentially meshed with the gear set (39) and the rack (40), the gear set (39) comprises a driving gear (45), a first driven gear (46), a second driven gear (47) and a reversing gear (48), the driving gear (45) is meshed with a driving gear ring (41), the first driven gear (46) and the second driven gear (47) are respectively meshed with racks (40) arranged on two adjacent sliding rods (37), the first driven gear (46) is meshed with the driving gear (45), the second driven gear (47) is meshed with the driving gear (45) through a reversing gear (48), a third through hole (49) which is communicated with the accommodating cavity (36) is formed on the side wall of the annular groove (44), the driving gear (45) extends out of the third through hole (49) to be meshed with the driving gear ring (41);

the driving gear ring (41) circumferentially extends to form a connecting rod (50), the driving device (42) is an air cylinder, a piston rod of the air cylinder is hinged to the connecting rod (50), and the air cylinder drives the driving gear ring (41) to rotate repeatedly when the air cylinder does a return linear motion.

2. An aquaculture feeder according to claim 1, wherein: a blanking chamber (20) is arranged at the lower end of the stirring box (4), the first discharge hole (11) is arranged at the lower bottom surface of the stirring box (4) and communicated with the blanking chamber (20), a valve (21) is arranged at the first discharge hole (11), the valve (21) is connected with the stirring box (4) in a sliding way, the valve (21) is provided with a valve controller (22), the valve controller (22) controls the opening and closing of the valve (21), the lower end of the side surface of the blanking chamber (20) is provided with a first through groove (23) communicated with the feeding hole (54), the blanking chamber (20) comprises a shell (24), the shell (24) is provided with a bottom plate (25) which is obliquely arranged with the horizontal plane, the bottom plate (25) inclines downwards towards one side of the through groove, the lower end of the shell (24) is provided with a vibration component (26), the vibrating component (26) is used for slowly shaking out the mixed material in the blanking chamber (20) into the extruding cylinder (12).

3. An aquaculture feeder according to claim 2, wherein: bottom plate (25) and casing (24) sliding connection, vibrations subassembly (26) are connected with bottom plate (25), vibrations subassembly (26) are including support column (27), base (28) and third motor (29), it has slotted hole (30) that supply support column (27) to go up and down to open on base (28), support column (27) one end is stretched into in slotted hole (30), and the other end and bottom plate (25) of this support column (27) are connected, be provided with cam (31) in slotted hole (30), cam (31) set up at support column (27) lower extreme, and its peripheral face and support column (27) are contradicted each other, when third motor (29) drive cam (31) rotate, cam (31) drive support column (27) do the elevating movement in slotted hole (30).

4. An aquaculture feeder according to claim 3, wherein: the improved stirrer is characterized in that a bearing seat (32) is arranged on the edge of the upper end face of the shell (24), the stirring box (4) is rotatably connected with the shell (24) through the bearing seat (32), a fourth motor (33) is arranged on the rack (1), the output shaft of the fourth motor (33) is connected with the center of the stirring box (4), and the output shaft of the fourth motor (33) is eccentrically arranged with the output shaft of the first motor (10).

5. An aquaculture feeder according to claim 1, wherein: the mounting seat (34) is provided with a water inlet hole (51) and a water outlet hole (52), the water inlet hole (51) is connected with a water inlet pipe (53), and water flows through the water flowing tool bit (38) after the water flows through the water inlet pipe (53).