阅读说明：本技术 不影响鱼品相的吸脑整机的鱼脑吸取方法 (Fish brain sucking method of whole fish brain sucking machine without affecting fish phase ) 是由 李兆丰 于 2018-09-10 设计创作，主要内容包括：本发明公开了一种不影响鱼品相的吸脑整机的鱼脑吸取方法,包括有工作台,所述工作台上设有取脑机,所述工作台一侧设有回收框；取脑机包括机架、旋转变位机构、4个夹紧机构和抽吸机构,所述机架设有倾斜端,所述旋转变位机构设于该倾斜端,4个所述夹紧机构设于旋转变位机构并呈十字型分布,所述抽吸机构设于机架,且把吸髓针管设于穿刺套管内,在穿刺进脑腔后,无需再移动鱼,即可进行提取鱼脑工序,结构简单,还安全；将4个夹紧机构安装在旋转变位机构上,通过旋转变位机构的转动,使4个夹紧机构交替进行提取鱼脑工作,生产效率更高。(The invention discloses a fish brain suction method of a whole fish brain suction machine without influencing the fish phase, which comprises a workbench, wherein a brain taking machine is arranged on the workbench, and a recovery frame is arranged on one side of the workbench; the brain taking machine comprises a rack, a rotary position changing mechanism, 4 clamping mechanisms and a suction mechanism, wherein the rack is provided with an inclined end, the rotary position changing mechanism is arranged at the inclined end, the 4 clamping mechanisms are arranged on the rotary position changing mechanism and are distributed in a cross shape, the suction mechanism is arranged on the rack, a medullary needle suction pipe is arranged in a puncture sleeve, and after the puncture is carried out into a brain cavity, a fish brain extraction process can be carried out without moving the fish, so that the structure is simple and safe; 4 clamping mechanism install on rotatory deflection mechanism, through the rotation of rotatory deflection mechanism, make 4 clamping mechanism draw fish brain work in turn, production efficiency is higher.)

1. A fish brain suction method of a whole machine for sucking brain without influencing fish facies is characterized in that:

the brain taking machine comprises a workbench (a 1), wherein a brain taking machine (a 2) is arranged on the workbench, and a recovery frame (a 3) is arranged on one side of the workbench; the brain taking machine comprises a rack (1), a rotary position changing mechanism, 4 clamping mechanisms and a suction mechanism, wherein the rack (1) is provided with an inclined end, the rotary position changing mechanism is arranged at the inclined end, the 4 clamping mechanisms are arranged on the rotary position changing mechanism and are distributed in a cross shape, the suction mechanism is arranged on the rack (1), and the rotary position changing mechanism is used for enabling the 4 clamping mechanisms to alternately carry out the processes of loading and extracting the fish brain; the suction mechanism is positioned between the 4 clamping mechanisms;

the clamping mechanism comprises a clamping module bottom plate (30), a fish head fixing block (31), a clamp cover plate (32) and two rear fixing blocks (33), the clamping module bottom plate (30) is fixed on a rotary displacement mechanism, one end of the clamping module bottom plate (30) is arranged on the fish head fixing block (31), the fish head fixing block (31) is provided with a fish head limiting hole, the two rear fixing blocks (33) are close to the fish head fixing block (31) and fixed on the clamping module bottom plate (30), the two rear fixing blocks (33) are respectively positioned at two sides of the clamping module bottom plate (30), one end of each rear fixing block (33) is provided with a pivot lug which is pivoted with a lever (34), one end of the clamp cover plate (32) is fixed on the top surfaces of the two rear fixing blocks (33), and two feeding rollers (35) are pivoted between the other end of the clamp cover plate (32) and the other end of the clamping module bottom plate (30), the two feeding rollers (35) are respectively positioned on two sides of the other end of the clamping module bottom plate (30), cylinder hinging blocks (36) are fixed at two end parts of the fish head fixing block (31), clamping cylinders (37) are hinged to the two cylinder hinging blocks (36), the output end of each clamping cylinder (37) is connected with a cylinder connecting block (38), each cylinder connecting block (38) is pivoted with one end of a lever (34), the other end of each lever (34) is pivoted with a clamping pulley (39), and each clamping pulley (39) is positioned between the clamp cover plate (32) and the clamping module bottom plate (30) and between the rear fixing block (33) and the feeding roller (35);

the suction mechanism comprises a suction fixing plate (41), an angle switching block (42) and a puncture marrow sucking assembly, one end of the suction fixing plate (41) is fixed on the rack (1), the angle switching block (42) is fixed at the other end of the suction fixing plate (41), the puncture marrow sucking assembly comprises a servo electric cylinder (431), a puncture box body (432), a puncture sleeve (433), a marrow sucking needle tube (434) and a stepping motor (435), the servo electric cylinder (431) is fixed on the bottom surface of the angle switching block (42), the puncture box body (432) is fixed at the output end of the servo electric cylinder (431), one end of the puncture sleeve (433) is provided with a sleeve gear (4331) and extends into the puncture box body (432) from one side surface of the box body puncture (432), and when a fish brain extraction process is carried out, the other end of the puncture sleeve (433) points to a fish head limiting hole, the stepping motor (435) is fixed on the puncture box body (432), the output end of the stepping motor (435) extends into the puncture box body (432) and is connected with a driving gear (436), the driving gear (436) is meshed with a sleeve gear (4331), the marrow aspiration needle tube (434) is arranged in the puncture sleeve (433), one end of the marrow aspiration needle tube (434) is located at one end, pointing to the fish head limiting hole, of the puncture sleeve (433), and the other end of the marrow aspiration needle tube (434) penetrates through the puncture box body (432) and then extends outwards;

when the fish-holding device is used, a fish is placed into the uppermost clamping mechanism, then the rotary position-changing mechanism works to drive the clamping mechanism to rotate, when a fish mouth is aligned with the puncture sleeve 433, the rotary position-changing mechanism stops rotating, in the process of placing the fish, the feeding rollers 35 on two sides rotate to guide the fish to enter, the fish head is embedded into the fish head positioning hole, then the clamping cylinders 37 on two sides work to push the cylinder connecting block 38 to move, the cylinder connecting block 38 drives the lever 34 to rotate, the clamping pulley 39 moves inwards and contacts with the fish, and the fish is fixed under the action of the clamping cylinders 37 on two sides; then the servo electric cylinder 431 works to drive the puncture sleeve 433 to extend out and extend into the fish mouth through the fish mouth, and simultaneously the stepping motor 435 works to drive the driving gear 436 to rotate, so that the puncture sleeve 433 punctures into the fish brain cavity from the upper jaw of the fish, and then the marrow sucking needle tube 434 sucks the fish brain away under the action of an external mechanism.

2. The method for sucking the fish brain of the whole machine without affecting the fish phase according to claim 1, wherein the method comprises the following steps: the rotary displacement mechanism comprises a displacement mounting plate (21), a cam divider (22), a rotary motor (23), a round rotary bottom plate (24) and a circular rotary top plate (25), the displacement mounting plate (21) is fixed at the inclined end of the frame (1), the cam divider (22) and the rotary motor (23) are both fixed on the displacement mounting plate (21), the output end of the rotary motor (23) is connected with the cam divider (22) through a coupler, the coupler is arranged in a motor switching block, two ends of the motor switching block are respectively fixed with the cam divider (22) and the rotary motor (23), the rotary bottom plate (24) is connected with the output end of the cam divider (22), a plurality of connecting rods (26) are connected between the rotary top plate (25) and the rotary bottom plate (24), and 4 clamping mechanisms are all fixed on the rotary top plate (25), the puncture marrow sucking component is positioned above the central hole of the rotating top plate (25).

3. The method for sucking the fish brain of the whole machine without affecting the fish phase according to claim 1, wherein the method comprises the following steps: still include chute feeder (5) and striker mechanism, the top in frame (1) is fixed to the one end of chute feeder (5), the other end of chute feeder (5) is infundibulate setting and downward sloping, the tip that leaks of chute feeder (5) is located clamping mechanism's oblique top, striker mechanism includes cylinder backup pad (61), striker cylinder (62) and striker plate (63), cylinder backup pad (61) are fixed on frame (1), striker cylinder (62) are fixed on cylinder backup pad (61), striker plate (63) are connected with the output of striker cylinder (62), work as when striker cylinder (62) stretch out, striker plate (63) are located the tip of the chute feeder (5) other end.

4. The method for sucking the fish brain of the whole machine without affecting the fish phase of claim 2, wherein: the number of the connecting rods (26) is 6, the connecting rods are fixed between the rotating bottom plate (24) and the rotating top plate (25) at equal intervals, and the 6 connecting rods (26) are located on one circumference.

5. The method for sucking the fish brain of the whole machine without affecting the fish phase of claim 2, wherein: the number of the connecting rods (26) is 6, the connecting rods are fixed between the rotating bottom plate (24) and the rotating top plate (25) at equal intervals, and the 6 connecting rods (26) are located on one circumference.

6. The method for sucking the fish brain of the whole machine without affecting the fish phase of claim 2, wherein: the number of the connecting rods (26) is 6, the connecting rods are fixed between the rotating bottom plate (24) and the rotating top plate (25) at equal intervals, and the 6 connecting rods (26) are located on one circumference.

Technical Field

The invention relates to the technical field of fish processing equipment, in particular to a fish brain sucking method of a whole fish brain sucking machine without influencing fish appearance.

Background

At present, leftovers such as fish heads, viscera, fish bones and the like have high proportion in fish processing production, and the leftovers are mainly used as raw materials of animal feed at present, so that the economic benefit is extremely low. If the by-products generated in fish processing can be fully utilized to develop a finish processing way, the economic benefit of the fish processing and producing industry can be improved, the fish brain accounts for about 1 percent of the weight of the fish, contains abundant cephalin and other bioactive substances, has high price of high-purity cephalin on the market, and can develop a new way for the whole fish processing and producing industry by utilizing the fish brain.

In the prior art, the technology for mainly extracting the fish brain is to take the brain from the top of the skull of a fish, drill a hole from the top of the skull and then move a specific position to perform brain sucking operation; this operation has in fact two drawbacks: firstly, the production efficiency is low, and the fish needs to be drilled and then moved to a specific position for brain suction operation each time; secondly, the brain is taken from the top of the skull, the top of the skull is very hard and thick, drilling is needed, and the method is unsafe, and the appearance of the fish are affected by drilling from the skull, so that secondary sale is not facilitated.

Disclosure of Invention

The invention aims to overcome the defects and provide a fish brain sucking method of a whole fish brain sucking machine without influencing the fish phase.

In order to achieve the purpose, the invention adopts the following specific scheme: a fish brain sucking method of a whole machine for sucking the fish brain without influencing the fish phase,

the brain taking machine comprises a workbench, wherein a brain taking machine is arranged on the workbench, and a recovery frame is arranged on one side of the workbench.

The brain taking machine comprises a rack, a rotary displacement mechanism, 4 clamping mechanisms and a suction mechanism, wherein the rack is provided with an inclined end, the rotary displacement mechanism is arranged at the inclined end, the 4 clamping mechanisms are arranged on the rotary displacement mechanism and are distributed in a cross shape, the suction mechanism is arranged on the rack, and the rotary displacement mechanism is used for enabling the 4 clamping mechanisms to alternately carry out the processes of loading and extracting the fish brain; the suction mechanism is positioned between the 4 clamping mechanisms;

the clamping mechanism comprises a clamping module bottom plate, a fish head fixing block, a clamp cover plate and two rear fixing blocks, the clamping module bottom plate is fixed on the rotary displacement mechanism, the fish head fixing block is arranged at one end of the clamping module bottom plate, the fish head fixing block is provided with a fish head limiting hole, the two rear fixing blocks are close to the fish head fixing block and fixed on the clamping module bottom plate, the two rear fixing blocks are respectively positioned at two sides of the clamping module bottom plate, one end of each rear fixing block is provided with a pivot lug which is pivoted with a lever, one end of the clamp cover plate is fixed on the top surfaces of the two rear fixing blocks, two feeding rollers are axially connected between the other end of the clamp cover plate and the other end of the clamping module bottom plate, the two feeding rollers are respectively positioned at two sides of the other end of the clamping module bottom plate, two ends of the fish head fixing block are both, the output end of the clamping cylinder is connected with a cylinder connecting block, the cylinder connecting block is pivoted with one end of a lever, the other end of the lever is pivoted with a clamping pulley, and the clamping pulley is positioned between the clamp cover plate and the clamping module base plate and between the rear fixing block and the feeding roller;

the suction mechanism comprises a suction fixing plate, an angle switching block and a puncture marrow suction assembly, one end of the suction fixing plate is fixed on the frame, the angle switching block is fixed at the other end of the suction fixing plate, the puncture marrow suction assembly comprises a servo electric cylinder, a puncture box body, a puncture sleeve, a marrow suction needle tube and a stepping motor, the servo electric cylinder is fixed at the bottom surface of the angle switching block, the puncture box body is fixed at the output end of the servo electric cylinder, one end of the puncture sleeve is provided with a sleeve gear and extends into the puncture box body from one side surface of the puncture box body, when a process of extracting the fish brain is carried out, the other end of the puncture sleeve points to a fish head limiting hole, the stepping motor is fixed on the puncture box body, the output end of the stepping motor extends into the puncture box body and is connected with a driving gear, the driving gear is meshed with the sleeve gear, one end of the marrow sucking needle tube is positioned at one end of the puncture casing tube pointing to the fish head limiting hole, and the other end of the marrow sucking needle tube penetrates through the puncture box body and then extends outwards.

The rotary displacement mechanism comprises a displacement mounting plate, a cam divider, a rotating motor, a circular rotating bottom plate and a circular rotating top plate, the displacement mounting plate is fixed at the inclined end of the rack, the cam divider and the rotating motor are fixed on the displacement mounting plate, the output end of the rotating motor is connected with the cam divider through a coupler, the coupler is arranged in a motor switching block, two ends of the motor switching block are respectively fixed with the cam divider and the rotating motor, the rotating bottom plate is connected with the output end of the cam divider, a plurality of connecting rods are connected between the rotating top plate and the rotating bottom plate, 4 clamping mechanisms are fixed on the rotating top plate, and the puncture marrow sucking assembly is located above a central hole of the rotating top plate.

The feeding trough is characterized by further comprising a feeding trough and a material blocking mechanism, one end of the feeding trough is fixed to the top end of the rack, the other end of the feeding trough is funnel-shaped and inclines downwards, the tip of the discharge spout of the feeding trough is located above the clamping mechanism in an inclined mode, the material blocking mechanism comprises a cylinder supporting plate, a material blocking cylinder and a material blocking plate, the cylinder supporting plate is fixed to the rack, the material blocking cylinder is fixed to the cylinder supporting plate, the material blocking plate is connected with the output end of the material blocking cylinder, and when the material blocking cylinder stretches out, the material blocking plate is located at the end portion of the other end of the feeding trough.

The number of the connecting rods is 6, the connecting rods are fixed between the rotating bottom plate and the rotating top plate at equal intervals, and the 6 connecting rods are located on one circumference.

Wherein, the aperture of the fish head limiting hole is gradually reduced from inside to outside.

Compared with the prior art, the invention has the beneficial effects that: the fish brain extraction device fixes the fish through the clamping mechanism, then punctures the fish from the upper jaw inside the fish mouth into the fish brain cavity through the suction mechanism, and sucks the fish brain, and the bone from the upper jaw to the brain cavity of the fish is very thin and soft and is far less hard and thick than the top of the brain shell, so the fish brain is obtained by puncturing the fish mouth, the fish brain is easier to be taken out, the appearance and the condition of the fish are not influenced, the secondary sale is facilitated, the medullary needle suction pipe is arranged in the puncture cannula, and the fish can be extracted without moving the fish after puncturing the fish into the brain cavity, the structure is simple, and the safety is high; 4 clamping mechanism install on rotatory deflection mechanism, through the rotation of rotatory deflection mechanism, make 4 clamping mechanism draw fish brain work in turn, production efficiency is higher.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a perspective view of the brain harvester of the present invention;

FIG. 3 is a schematic diagram of the structure of the brain taking machine of the present invention;

FIG. 4 is a schematic view of the rotary indexing mechanism of the present invention mounted on a frame;

FIG. 5 is a schematic view of the clamping mechanism of the present invention;

FIG. 6 is a schematic view of another aspect of the clamping mechanism of the present invention;

FIG. 7 is a schematic view of the pumping mechanism of the present invention;

FIG. 8 is a schematic view of the puncturing and medullary aspiration assembly of the present invention;

FIG. 9 is a schematic view of the puncturing and medullary sucking assembly of the present invention from another perspective;

FIG. 10 is a schematic structural view of the feed chute and the stock stop of the present invention mounted on the frame;

description of reference numerals: 1-a frame; 21-a deflection mounting plate; 22-a cam divider; 23-a rotating electrical machine; 24-a rotating baseplate; 25-rotating the top plate; 26-a connecting rod; 30-clamping the module base plate; 31-fish head fixing block; 32-a clamp cover plate; 33-rear fixed block; 34-a lever; 35-feed rollers; 36-a cylinder hinge block; 37-a clamping cylinder; 38-cylinder connecting block; 39-clamping the pulley; 41-suction fixing plate; 42-angle switching block; 431-servo electric cylinder; 432-puncturing the box; 433-a puncture cannula; 4331-sleeve gear; 434-inhale marrow needle tube; 435-step motor; 436-drive gear; 5-a feeding groove; 61-cylinder support plate; 62-a material blocking cylinder; 63-a striker plate; table-a 1; taking a brain machine-a 2; box-a 3 is recovered.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.

As shown in fig. 1 to 10, the method for sucking the fish brain of the whole machine without affecting the fish phase in this embodiment includes a workbench a1, a brain taking machine a2 is disposed on the workbench, and a recycling frame a3 is disposed on one side of the workbench.

The brain taking machine comprises a frame 1, a rotary position changing mechanism, 4 clamping mechanisms and a suction mechanism, wherein the frame 1 is provided with an inclined end, the rotary position changing mechanism is arranged at the inclined end, the 4 clamping mechanisms are arranged on the rotary position changing mechanism and are distributed in a cross shape, the suction mechanism is arranged on the frame 1, and the rotary position changing mechanism is used for enabling the 4 clamping mechanisms to alternately carry out the processes of loading and extracting the fish brain; the suction mechanism is positioned between the 4 clamping mechanisms;

the clamping mechanism comprises a clamping module bottom plate 30, a fish head fixing block 31, a clamp cover plate 32 and two rear fixing blocks 33, the clamping module bottom plate 30 is fixed on the rotary displacement mechanism, the fish head fixing block 31 is arranged at one end of the clamping module bottom plate 30, the fish head fixing block 31 is provided with a fish head limiting hole, the two rear fixing blocks 33 are close to the fish head fixing block 31 and fixed on the clamping module bottom plate 30, the two rear fixing blocks 33 are respectively positioned at two sides of the clamping module bottom plate 30, one end of the rear fixing block 33 is provided with a pivot lug which is pivoted with a lever 34, one end of the clamp cover plate 32 is fixed on the top surfaces of the two rear fixing blocks 33, two feeding rollers 35 are axially connected between the other end of the clamp cover plate 32 and the other end of the clamping module bottom plate 30, the two feeding rollers 35 are respectively positioned at two sides of the other end of the clamping module bottom plate 30, and both, the two air cylinder hinging blocks 36 are hinged with clamping air cylinders 37, the output ends of the clamping air cylinders 37 are connected with air cylinder connecting blocks 38, the air cylinder connecting blocks 38 are pivoted with one ends of levers 34, the other ends of the levers 34 are pivoted with clamping pulleys 39, and the clamping pulleys 39 are positioned between the clamp cover plate 32 and the clamping module bottom plate 30 and between the rear fixing blocks 33 and the feeding rollers 35;

the suction mechanism comprises a suction fixing plate 41, an angle switching block 42 and a puncture marrow-sucking assembly, one end of the suction fixing plate 41 is fixed on the frame 1, the angle switching block 42 is fixed at the other end of the suction fixing plate 41, the puncture marrow-sucking assembly comprises a servo electric cylinder 431, a puncture box body 432, a puncture cannula 433, a marrow-sucking needle tube 434 and a stepping motor 435, the servo electric cylinder 431 is fixed at the bottom surface of the angle switching block 42, the puncture box body 432 is fixed at the output end of the servo electric cylinder 431, one end of the puncture cannula 433 is provided with a cannula gear 4331 and extends into the puncture box body 432 from one side surface of the puncture box body 432, when a fish brain extraction process is carried out, the other end of the puncture cannula 433 points to a fish head limiting hole, the stepping motor 435 is fixed on the puncture box body 432, the output end of the stepping motor 435 extends into the puncture box body 432 and is connected with, the driving gear 436 is engaged with the sleeve gear 4331, the marrow sucking needle tube 434 is arranged in the puncture sleeve 433, one end of the marrow sucking needle tube 434 is located at one end of the puncture sleeve 433, which points to the fish head limiting hole, and the other end of the marrow sucking needle tube 434 penetrates through the puncture box 432 and then extends outwards.

Specifically, when the fish-holding device is used, a fish is placed into the uppermost clamping mechanism, then the rotary position-changing mechanism works to drive the clamping mechanism to rotate, when a fish mouth is aligned with the puncture sleeve 433, the rotary position-changing mechanism stops rotating, in the process of placing the fish, the feeding rollers 35 on two sides rotate to guide the fish to enter, the fish head is embedded into the fish head positioning hole, then the clamping cylinders 37 on two sides work to push the cylinder connecting blocks 38 to move, the cylinder connecting blocks 38 drive the levers 34 to rotate, the clamping pulleys 39 move inwards and are in contact with the fish, and the fish is fixed under the action of the clamping cylinders 37 on two sides; then the servo electric cylinder 431 works to drive the puncture sleeve 433 to extend out and extend into the fish mouth through the fish mouth, and simultaneously the stepping motor 435 works to drive the driving gear 436 to rotate, so that the puncture sleeve 433 punctures into the fish brain cavity from the upper jaw of the fish, and then the marrow sucking needle tube 434 sucks the fish brain away under the action of an external mechanism.

The fish is fixed through clamping mechanism in this embodiment, then puncture into the fish brain intracavity from the inside palace of fish mouth through suction mechanism, and suck away the fish brain, because the palace of fish is very thin soft to the sclerotin in the brain intracavity, it is hard thick far away not as skull top, so, get the brain from the inside puncture of fish mouth, take out the fish brain more easily, and still do not influence the outward appearance and the article looks of fish, do benefit to selling once more, and locate puncture sleeve 433 to inhaling broach pipe 434, after the brain chamber is advanced in the puncture, need not to remove the fish again, can extract the fish brain process, moreover, the steam generator is simple in structure, and is safe.

Based on the above embodiment, further, the rotary displacement mechanism includes a displacement mounting plate 21, a cam divider 22, a rotary motor 23, a circular rotary bottom plate 24 and an annular rotary top plate 25, the displacement mounting plate 21 is fixed at the inclined end of the frame 1, the cam divider 22 and the rotating motor 23 are both fixed on the displacement mounting plate 21, the output end of the rotating motor 23 is connected with the cam divider 22 through a coupling, the coupling is arranged in a motor adapter block, two ends of the motor transfer block are respectively fixed with the cam divider 22 and the rotating motor 23, the rotating bottom plate 24 is connected with the output end of the cam divider 22, a plurality of connecting rods 26 are connected between the rotating top plate 25 and the rotating bottom plate 24, 4 clamping mechanisms are fixed on the rotating top plate 25, and the puncturing and marrow sucking component is positioned above a central hole of the rotating top plate 25; specifically, the rotating motor 23 works to drive the cam divider 22 to rotate to drive the four clamping mechanisms to rotate, so that one of the clamping mechanisms is located at the top, the fish is placed into the clamping mechanism, then the cam divider 22 continues to rotate to align a fish head limiting hole in the clamping mechanism with the puncture sleeve 433, then the fish brain extraction work is performed, at the moment, the other clamping mechanism is located at the top, the fish is placed into the clamping mechanism, after the previous clamping mechanism finishes fish brain extraction, under the driving of the cam divider 22, the fish brain extraction process is performed by rotating to the position of the previous clamping mechanism, the operation is circulated in this way, the fish brain extraction work can be performed continuously, and the production efficiency is higher.

Based on the above embodiment, the automatic feeding device further comprises a feeding chute 5 and a material blocking mechanism, wherein one end of the feeding chute 5 is fixed at the top end of the frame 1, the other end of the feeding chute 5 is funnel-shaped and inclines downwards, the tip of the discharge spout of the feeding chute 5 is positioned obliquely above the clamping mechanism, the material blocking mechanism comprises a cylinder supporting plate 61, a material blocking cylinder 62 and a material blocking plate 63, the cylinder supporting plate 61 is fixed on the frame 1, the material blocking cylinder 62 is fixed on the cylinder supporting plate 61, the material blocking plate 63 is connected with the output end of the material blocking cylinder 62, and when the material blocking cylinder 62 extends out, the material blocking plate 63 is positioned at the end part of the other end of the feeding chute 5; specifically, when the fish feeding device works, fish is placed into the feeding chute 5 and slides downwards under the action of self gravity, the material blocking cylinder 62 drives the material blocking plate 63 to extend out to block the fish from sliding out of the feeding chute 5, meanwhile, the cam divider 22 drives the 4 clamping mechanisms to rotate when rotating, when one clamping mechanism is positioned at the top and is obliquely aligned with the tip of the discharge spout of the feeding chute 5, the cam divider 22 stops rotating temporarily, at the moment, the material blocking cylinder 62 drives the material blocking plate 63 to retract, the fish slides out of the feeding chute 5 under the action of self gravity and enters the clamping mechanism to complete the feeding process, and meanwhile, the material blocking cylinder 62 drives the material blocking plate 63 to downwards probe to block the next fish from sliding out; when the cam divider 22 rotates to enable one of the clamping mechanisms to be located at the top, the material blocking plate 63 can be moved away, so that fish can enter the clamping mechanism, and the structure is simple and convenient.

Based on the above embodiment, further, the number of the connecting rods 26 is 6, and the connecting rods are fixed between the rotating bottom plate 24 and the rotating top plate 25 at equal intervals, and the 6 connecting rods 26 are located on one circumference, so that the structure is firmer and more stable.

On the basis of above-mentioned embodiment, furtherly, the spacing hole of fish head reduces from inside to outside aperture gradually, and the fish head of being convenient for is laminated with the spacing hole of fish head, and is fixed more firm with the fish.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.