CN211051574U

CN211051574U - Frozen bait chopping device

Info

Publication number: CN211051574U
Application number: CN201921487923.9U
Authority: CN
Inventors: 陈勇; 张志伟; 郑雄胜; 刘夏冰
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-07-21
Anticipated expiration: 2029-09-06

Abstract

The utility model provides a bait comminution device freezes belongs to food processing equipment technical field. It has solved current frozen bait and has cut up technical problem such as inefficiency. The chopping device comprises a crushing box body and a chopping box body, wherein an eccentric shaft assembly is inserted into the crushing box body, a fixed jaw which faces downwards vertically is fixedly arranged on the inner wall of the other side of the crushing box body, and a movable jaw which inclines downwards towards the direction of the fixed jaw is connected onto the eccentric shaft assembly; the bottom of the crushing box body is provided with a filter screen, one end of the filter screen is positioned in the crushing box body, and the other end of the filter screen inclines towards the chopping box body and extends downwards to the upper end of the chopping box body; the chopping box is internally provided with a roller set with a knife for chopping and deicing baits, one end of the roller set with the knife is fixedly provided with a driving wheel and a hand wheel for driving the roller set with the knife to rotate, one end of an eccentric shaft assembly is fixedly provided with a driven wheel, and the driving wheel is connected with the driven wheel through a transmission piece. The utility model provides a bait comminution device freezes convenient to use, energy-concerving and environment-protective, high-efficient laborsaving.

Description

Frozen bait chopping device

Technical Field

The utility model belongs to the technical field of food processing machinery equipment, a comminution device is related to, especially a bait comminution device freezes.

Background

In recent years, with the increasing demand of people on crab seafood, crab ships are increasing, and simultaneously, the devices and tools used for catching crabs are perfecting. For the crab catching, the effective use of the bait plays an important role in the catching process. At present, most of baits of crab catching boats are frozen and refrigerated fish products and are all in blocks, and the baits are manually cut up. The cutting of the frozen bait has certain difficulty for the manual work, the frozen bait is firstly knocked forcibly by the manual work and then cut by a knife once, the labor amount is very large, and time and labor are wasted; the manual material cutting mode on the crab-catching boat not only increases the labor intensity of workers, but also has low efficiency, and simultaneously can not ensure the uniformity of the cut bait, thereby reducing the use efficiency of the bait to a certain extent. Therefore, the mechanical processing of the frozen bait is needed to be realized, so that the labor intensity of crab-catching boat workers is reduced, and the production efficiency is improved.

Chinese patent (publication No. CN 203843892U; published Japanese: 2014-09-24) discloses an eel bait cutting and stirring machine, which comprises a frame, wherein a motor and a switch are arranged on the frame, a bait storage bin is arranged on the frame, a feeding bin is arranged on the bait storage bin, a blade is arranged in the feeding bin, the blade is fixedly arranged on a rotating shaft, the bait storage bin is internally provided with a baffle plate, the rotating shaft and the blade are driven by the motor shaft to rotate through a transmission shaft, a material outlet pipe is connected between the bait storage bin and the feeding bin, and a bait box is connected to the bait outlet pipe.

The eel bait cutting and stirring machine in the patent literature is not suitable for cutting and processing frozen baits, and needs a motor, which is not suitable for the environment with electricity shortage on a fishing boat, and the utilization of a diesel engine and the like wastes energy and pollutes the environment.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a bait comminution device freezes, the utility model aims to solve the technical problem that: how to improve the chopping efficiency of the frozen bait on the premise of energy conservation and environmental protection.

The purpose of the utility model can be realized by the following technical proposal:

a frozen bait chopping device comprises a crushing box body and a chopping box body, and is characterized in that the chopping box body is positioned on one side of the crushing box body, the crushing box body is higher than the chopping box body, a feed inlet is formed in the upper end of the crushing box body, a transverse eccentric shaft assembly is inserted into the crushing box body, the eccentric shaft assembly is positioned at the upper end of the crushing box body and is close to one side of the crushing box body, a vertically downward fixed jaw is fixedly arranged on the inner wall of the other side of the crushing box body, a movable jaw which inclines downwards towards the fixed jaw and can be used in cooperation with the fixed jaw is connected onto the eccentric shaft assembly, and the movable jaw is positioned under the feed inlet; a filter screen is arranged below the fixed jaw and the movable jaw at the bottom of the crushing box body, one end of the filter screen is arranged in the crushing box body, the other end of the filter screen extends downwards towards the chopping box body in an inclined mode, and the end of the filter screen is lapped at the upper end of the chopping box body; the chopping box body penetrates through the chopping box body up and down, a roller set with a knife for chopping and removing ice bait is arranged in the chopping box body, a driving wheel and a hand wheel for driving the roller set with the knife to rotate are fixedly arranged at one end of the roller set with the knife, a driven wheel is fixedly arranged at one end of an eccentric shaft assembly, and the driving wheel is connected with the driven wheel through a transmission piece; and the crushing box body is also in threaded connection with an adjusting screw for adjusting the distance between the lower ends of the fixed jaw and the movable jaw.

The working principle is as follows: the utility model provides a bait comminution device freezes mainly used will catch the cutting up of bait on the crab ship, alleviates fishing boat workman's intensity of labour, improves the rate of utilization of bait. During the use, the manual work is poured the frozen bait piece into broken box body back from the feed inlet of broken box body, and hand wheel carries out power input, and one part of power is used for bait to cut up through transmitting for band knife roller bearing group, and another part transmits the eccentric shaft subassembly through the driving medium, and the eccentric shaft subassembly drives again and moves the hubei province motion, moves hubei province and decides hubei province cooperation action, carries out the breakage to frozen bait piece. The crushing of frozen bait is to crush the frozen bait by utilizing the principle of a jaw crusher, crushed ice blocks leak through a filter screen below a movable jaw and a fixed jaw, the de-iced bait blocks directly slide into a chopping box body through the filter screen, a roller set with a knife in the chopping box body acts, the bait (generally small black carps) is uniformly chopped by shearing force generated between blades, and finally the chopped bait is manually packed into a box.

Because the fishing boat is all at marine operation, the energy use relatively tense relatively, especially electric energy and diesel engine, the utility model discloses in adopt the hand cranking of whole device of drive of hand wheel to accomplish the comminution of freezing bait, not only practice thrift resources such as electric energy but also avoided using the diesel engine to provide the pollution that power caused.

The utility model discloses in with manual power kinematic chain be divided into two, synchronous output: the manual hand-operated hand wheel is used for inputting power, one path of the power is transmitted to the roller group with the knife through gear meshing to cut bait, the other path of the power is transmitted to the crushing mechanism through the transmission part to crush the bait, and the two paths of power are simultaneously output to complete the whole crushing process of the frozen bait; is stable and reliable.

The utility model adopts the crushing principle of the shear type crusher to cut the bait by using the shearing force between the blades on the two roller shafts, and is suitable for most kinds of frozen or non-frozen baits; the applicability and the universality are strong.

The utility model provides a bait comminution device freezes when using, only need directly pour the bait piece that freezes into the breaker box in use hand wheel wave can accomplish simultaneously and iced and cut up, also can carry out the secondary according to actual need simultaneously or cut up many times, convenient to use, easy operation, high efficiency is laborsaving.

In foretell frozen bait comminution device, band knife roller bearing group includes two arbor that set up side by side, the both ends of arbor are all connected through the bearing the both sides of comminution box, be equipped with a plurality of blade on the arbor outer peripheral face, two can form shearing movement, every when blade on the arbor crisscross setting each other and both relative rotations the one end of arbor all sets firmly gear and two gear meshes mutually through cylindricality sleeve and parallel key, drive wheel and hand wheel set firmly in one of them the tip of arbor just drive wheel and hand wheel are located the outside of comminution box.

The cutter-bearing roller group is characterized in that the blades are arranged on the roller shafts to form a roller cutter, the main working part of the chopping mechanism is formed, the number of the roller shafts is two, the two roller shafts are positioned in the chopping box body, two ends of the roller shafts are supported by four bearings, the two roller shafts rotate to cut the blades on the two roller shafts, and the bait is chopped by utilizing the cutting force.

In the frozen bait chopping device, the hand wheel is fixed at the end part of the roller shaft through a butterfly nut; the driving wheel and the driven wheel are belt pulleys, the transmission part is a V-shaped belt, and two ends of the transmission part are respectively sleeved on the driving wheel and the driven wheel.

The hand wheel is an input part of power, the hand wheel is rotated manually to drive the gear to rotate so as to realize the movement of the chopper, and meanwhile, the transmission piece is used for transmission so as to realize the movement of the chopper.

In the above frozen bait chopping device, the eccentric shaft assembly comprises a stepped sleeve and an eccentric shaft, the stepped sleeve is connected to the side wall of the crushing box body through a bearing, the inner end of the stepped sleeve extends into the crushing box body and is provided with a rotating disc, the end part of the eccentric shaft is fixedly connected to the eccentric position of the rotating disc, the outer end of the stepped sleeve extends out of the crushing box body and is fixedly provided with the driven wheel; the upper end of the movable jaw is sleeved on the eccentric shaft. The fixed jaw and the movable jaw are main components and working parts for crushing in the crushing box body, and the opening and closing of the movable jaw are matched with the fixed jaw to realize the ice breaking process of the frozen bait block; the eccentric shaft is a main component of the crushing motion track for realizing the opening and closing of the movable jaw and is used for determining and driving the motion track of the movable jaw.

In the frozen bait chopping device, a plurality of racks are arranged on the opposite side surfaces of the movable jaw and the fixed jaw, and the side wall of the crushing box body between the movable jaw and the fixed jaw is also provided with the racks; the crushing box is internally provided with a connecting rod, one end of the connecting rod is hinged with the position, close to the lower end, of the other side face of the movable jaw, the other end of the connecting rod is hinged with the inner end of the adjusting screw, the outer end of the adjusting screw is positioned outside the crushing box, and an adjusting wheel is fixedly arranged at the end of the adjusting screw. The adjusting screw is screwed to drive the connecting rod to move, and the connecting rod drives the lower end of the movable jaw to swing, so that the distance between the movable jaw and the fixed jaw is adjusted to realize the crushing of bait blocks with different sizes.

In the above frozen bait chopping device, the frozen bait chopping device further comprises a crusher base and a chopping box frame which are arranged side by side, wherein the crushing box body is fixedly arranged at the upper end of the crusher base, the chopping box body is fixedly arranged at the upper end of the chopping box frame, and the crusher base is fixedly connected with the chopping box frame through a plurality of connecting plates. The arrangement of the crusher base under the crushing box body, the arrangement of the frame of the chopping box under the chopping box body and the arrangement of the connecting plate can fix the relative positions of the crushing box body and the chopping box body in the frozen bait chopping device.

In the above frozen bait cutting device, the bottom of the crushing box body is provided with an ice outlet, the ice outlet is positioned under a filter screen in the crushing box body, an inclined slide way is arranged on the crusher base, and the upper end of the inclined slide way is opposite to the ice outlet. The filter screen is arranged below the movable jaw and the fixed jaw and used for filtering ice blocks left by the broken frozen baits and conveying the broken baits into the chopping box body for chopping; after the frozen bait blocks are broken, ice blocks leak down through the filter screen and then flow out through the inclined slideway.

In the above frozen bait cutting device, the feed inlet of the crushing box body is provided with an inclined guide surface; the filter screen package rubbing board body, a plurality of meshes of evenly arranging have on the plate body, broken box with plate body both sides between the shredding box have the baffle of vertical setting. The arrangement of the guide surface on the feed inlet of the crushing box body can reduce the falling of the frozen bait positioned at the feed inlet due to the vibration of the frozen bait crushing device; the setting of plate body overhead gage can prevent that the side of deicing bait from the filter screen from dropping.

In the frozen bait chopping device, an end cover I is fixedly arranged on the outer wall of one side of the chopping box body, and one end parts of the two roller shafts are positioned in the end cover I; an end cover II is fixedly arranged on the outer wall of the other side of the chopping box body, and the two gears are located in the end cover II. The first end cover and the second end cover can prevent foreign matters from polluting bearings and gears of the chopping box body, and guarantee is provided for normal operation of the frozen bait chopping device.

In the frozen bait chopping device, the two side walls of the roller group with the cutters are respectively provided with a stop block in the chopping box body, a plurality of vertical guide grooves are arranged on the stop blocks in parallel at intervals, and blades on the roller shaft can penetrate through the guide grooves when the roller shaft rotates. The stop block can block the uncut deicing baits on the two sides of the roller set with the knife, so that the deicing baits can pass through the two roller shafts, and the chopped deicing baits are more uniform.

The utility model provides a bait comminution device freezes compares in prior art, has following advantage:

1. because the fishing boat is all at marine operation, the energy use relatively tense relatively, especially electric energy and diesel engine, the utility model discloses in adopt the hand cranking of whole device of drive of hand wheel to accomplish the comminution of freezing bait, not only practice thrift resources such as electric energy but also avoided using the diesel engine to provide the pollution that power caused.

2. The utility model discloses in with manual power kinematic chain be divided into two, synchronous output: the manual hand-operated hand wheel is used for inputting power, one path of the power is transmitted to the roller group with the knife through gear meshing to cut bait, the other path of the power is transmitted to the crushing mechanism through the transmission part to crush the bait, and the two paths of power are simultaneously output to complete the whole crushing process of the frozen bait; is stable and reliable.

3. The utility model adopts the crushing principle of the shear type crusher to cut the bait by using the shearing force between the blades on the two roller shafts, and is suitable for most kinds of frozen or non-frozen baits; the applicability and the universality are strong.

4. The utility model provides a bait comminution device freezes when using, only need directly pour the bait piece that freezes into the breaker box in use hand wheel wave can accomplish simultaneously and iced and cut up, also can carry out the secondary according to actual need simultaneously or cut up many times, convenient to use, easy operation, high efficiency is laborsaving.

Drawings

Fig. 1 is a schematic perspective view of the frozen bait cutting device.

Fig. 2 is a schematic perspective view of the frozen bait cutting device.

Fig. 3 is a partially enlarged schematic view of fig. 2.

Fig. 4 is a schematic perspective view of a knife roller set in the frozen bait cutting device.

Fig. 5 is a schematic perspective view of the roller set with knives in the frozen bait cutting device.

Fig. 6 is a schematic view of the movable jaw mounting and adjusting structure of the frozen bait cutting device.

In the figure, 1, a crushing box body; 1a, a crusher base; 1aa, an inclined slideway; 1b, a connecting plate; 11. a feed inlet; 12. setting a jaw; 13. moving a jaw; 14. a connecting rod; 15. an ice outlet; 16. a guide surface; 2. a chopping box body; 2a, a shredder basket frame; 21. a roller group with a cutter; 211. a roll shaft; 212. a blade; 22. a bearing; 23. a cylindrical sleeve; 24. a flat bond; 25. a gear; 26. a first end cover; 27. a second end cover; 28. a stopper; 28a, a guide groove; 3. an eccentric shaft assembly; 31. a stepped sleeve; 32. an eccentric shaft; 33. rotating the disc; 4. filtering with a screen; 41. a plate body; 42. mesh openings; 43. a baffle plate; 5. a drive wheel; 6. a hand wheel; 6a, a butterfly nut; 7. a driven wheel; 8. a transmission member; 9. an adjusting screw; 9a, a regulating wheel; 10. a rack.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the frozen bait chopping device comprises a crushing box body 1 and a chopping box body 2, wherein a crusher base 1a is fixedly arranged at the lower end of the crushing box body 1, a chopping box frame 2a is fixedly arranged at the lower end of the chopping box body 2, the chopping box body 2 is positioned at one side of the crushing box body 1, the crushing box body 1 is higher than the chopping box body 2, the crusher base 1a at the lower end of the crushing box body 1 is fixedly connected with the chopping box frame 2a at the lower end of the chopping box body 2 through a plurality of connecting plates 1b, a feed inlet 11 is arranged at the upper end of the crushing box body 1, a transverse eccentric shaft assembly 3 is inserted at the upper end of the crushing box body 1, the eccentric shaft assembly 3 is close to one side of the crushing box body 1, a fixed jaw 12 which is vertically downward is fixedly arranged on the inner wall of the other side of the crushing box body 1, a movable jaw 13 which, the movable jaw 13 is positioned right below the feeding hole 11, the eccentric shaft component 3 is connected with the upper end of the movable jaw 13, the bottom of the crushing box body 1 is provided with a filter screen 4, the filter screen 4 is positioned below the fixed jaw 12 and the movable jaw 13, one end of the filter screen 4 is positioned in the crushing box body 1, the other end of the filter screen extends downwards and slantwise towards the chopping box body 2 and is lapped on the upper end of the chopping box body 2, a band knife roller group 21 for chopping and removing ice bait is arranged in the chopping box body 2 in a vertically penetrating way, one end of the band knife roller group 21 is fixedly provided with a driving wheel 5 and a hand wheel 6 for driving the band knife roller group 21 to rotate, one end of the eccentric shaft component 3 is fixedly provided with a driven wheel 7, and the driving wheel 5 is connected with the, thereby realize drive wheel 5 and follow the linkage of driving wheel 7, drive wheel 5 and follow driving wheel 7 and be the belt pulley, driving medium 8 is V type belt, and 8 covers of driving medium are established on drive wheel 5 and follow driving wheel 7.

Further, as shown in fig. 1, 2 and 6, a plurality of racks 10 are arranged on the opposite side surfaces of the movable jaw 13 and the fixed jaw 12, a plurality of racks 10 are also arranged on one side of the crushing box body 1 between the movable jaw 13 and the fixed jaw 12, an inclined guide surface 16 is arranged at the feed port 11 of the crushing box body 1, and one side of the guide surface 16 arranged in the crushing box body 1 is opposite to the side of the crushing box body 1 provided with the racks 10; the crushing box body 1 is in threaded connection with an adjusting screw 9 for adjusting the distance between the lower ends of the fixed jaw 12 and the movable jaw 13, a connecting rod 14 is arranged in the crushing box body 1, one end of the connecting rod 14 is hinged with the position, close to the lower end, of one side of the movable jaw 13, the other end of the connecting rod 14 is hinged with the inner end of the adjusting screw 9, and the outer end of the adjusting screw 9 is located outside the crushing box body 1 and is fixedly provided with an adjusting wheel 9 a; the eccentric shaft component 3 comprises a step sleeve 31 and an eccentric shaft 32, the step sleeve 31 is connected to the side wall of the crushing box body 1 through a bearing 22, a rotating disc 33 is arranged at the inner end of the step sleeve 31 and is positioned in the crushing box body 1, the end part of the eccentric shaft 32 is fixedly connected to the eccentric position of the rotating disc 33, and a movable jaw 13 is sleeved on the eccentric shaft 32; the outer end of the step sleeve 31 is positioned outside the crushing box body 1 and is sleeved with the driven wheel 7.

Further, as shown in fig. 1 and 2, the filter screen 4 includes a plate body 41 with a plurality of uniformly arranged meshes 42, both sides of the plate body 41 between the crushing box body 1 and the chopping box body 2 are provided with vertically arranged baffle plates 43, the bottom of the crushing box body 1 is provided with an ice outlet 15, the ice outlet 15 is located under the filter screen 4 in the crushing box body 1, and the crusher base 1a is provided with an inclined slide way 1aa with the upper end facing the ice outlet 15.

Further, as shown in fig. 1 and 2, 4 and 5, the roller set 21 with cutter includes two roller shafts 211 arranged side by side, two ends of each roller shaft 211 are connected to two sides of the chopping box 2 through bearings 22, and a plurality of blades 212 are arranged on the outer circumferential surface of each roller shaft 211, stoppers 28 are arranged on two sides of the roller set 21 with cutter in the chopping box 2, each stopper 28 is provided with a plurality of vertical guide grooves 28a at intervals in parallel, the two roller shafts 211 can rotate relatively, the blade 212 on each roller shaft 211 can pass through the guide groove 28a close to the roller shaft 211, the blades 212 on the two roller shafts 211 are staggered with each other and can perform shearing movement when the two roller shafts 211 rotate relatively, one end of each roller shaft 211 is fixedly provided with a gear 25 through a cylindrical sleeve 23 and a key 24, the two gears 25 are engaged with each other, the driving wheel 5 and the handwheel 6 are arranged at the end of any one roller shaft 211, the driving wheel 5 and the hand wheel 6 are positioned outside the chopping box body 2, and the hand wheel 6 is fixed at the end part of one of the roller shafts 211 through a butterfly nut 6 a; an end cover I26 is fixedly arranged on the outer wall of one side of the chopping box body 2, and one end parts of the two roller shafts 211 are positioned in the end cover I26; the outer wall of the other side of the shredding box body 2 is fixedly provided with a second end cover 27, and the two gears 25 are positioned in the second end cover 27.

The hand wheel 6 is shaken by hand, the hand wheel 6 drives the driving wheel 5 to rotate, and then the driven wheel 7 is driven to rotate through the transmission piece 8, frozen bait enters between the movable jaw 13 and the fixed jaw 12 in the crushing box body from the feed inlet 11 of the crushing box body 1, the driven wheel 7 rotates to drive the eccentric shaft 32 to rotate and further drive the movable jaw 13 to swing, the movable jaw 13 and the fixed jaw 12 mutually act to break ice on the frozen bait, the de-iced bait and the broken ice blocks are separated and fall onto the filter screen 4, ice blocks fall from meshes 42 on the filter screen 4, fall onto an inclined slide way 1aa and slide out of the crushing box body 1 from an ice outlet, the de-iced bait reaches the crushing box body 2 from the filter screen 4 and is crushed through the function of the rolling shaft group 21 with the knife.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although more 1, a crushing bin is used herein; 1a, a crusher base; 1aa, an inclined slideway; 1b, a connecting plate; 11. a feed inlet; 12. setting a jaw; 13. moving a jaw; 14. a connecting rod; 15. an ice outlet; 16. a guide surface; 2. a chopping box body; 2a, a shredder basket frame; 21. a roller group with a cutter; 211. a roll shaft; 212. a blade; 22. a bearing; 23. a cylindrical sleeve; 24. a flat bond; 25. a gear; 26. a first end cover; 27. a second end cover; 28. a stopper; 28a, a guide groove; 3. an eccentric shaft assembly; 31. a stepped sleeve; 32. an eccentric shaft; 33. rotating the disc; 4. filtering with a screen; 41. a plate body; 42. mesh openings; 43. a baffle plate; 5. a drive wheel; 6. a hand wheel; 6a, a butterfly nut; 7. a driven wheel; 8. a transmission member; 9. an adjusting screw; 9a, a regulating wheel; 10. rack, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A frozen bait chopping device comprises a crushing box body (1) and a chopping box body (2), characterized in that the chopping box body (2) is positioned at one side of the crushing box body (1) and the crushing box body (1) is higher than the chopping box body (2), a feed inlet (11) is arranged at the upper end of the crushing box body (1), a transverse eccentric shaft assembly (3) is inserted on the crushing box body (1), the eccentric shaft assembly (3) is positioned at the upper end of the crushing box body (1) and close to one side of the crushing box body (1), a jaw (12) which is vertically downward is fixedly arranged on the inner wall of the other side of the crushing box body (1), the eccentric shaft assembly (3) is connected with a movable jaw (13) which inclines downwards towards the jaw (12) and can be matched with the jaw (12) for use, and the movable jaw (13) is positioned right below the feed port (11); a filter screen (4) is arranged below the fixed jaw (12) and the movable jaw (13) at the bottom of the crushing box body (1), one end of the filter screen (4) is positioned in the crushing box body (1), the other end of the filter screen (4) extends downwards towards the chopping box body (2) in an inclined mode, and the end of the filter screen is lapped on the upper end of the chopping box body (2); the ice-removing bait chopping machine is characterized in that the chopping box body (2) penetrates through the upper part and the lower part, a roller set (21) with a knife for chopping ice-removing bait is arranged in the chopping box body (2), a driving wheel (5) and a hand wheel (6) for driving the roller set with the knife (21) to rotate are fixedly arranged at one end of the roller set with the knife (21), a driven wheel (7) is fixedly arranged at one end of the eccentric shaft assembly (3), and the driving wheel (5) is connected with the driven wheel (7) through a transmission piece (8); the crushing box body (1) is also in threaded connection with an adjusting screw (9) used for adjusting the distance between the lower ends of the jaw (12) and the movable jaw (13).

2. A frozen bait chopping device as claimed in claim 1, characterized in that the bladed roller group (21) comprises two roller shafts (211) arranged side by side, both ends of the cutter shaft (211) are connected with both sides of the chopping box body (2) through bearings (22), the outer peripheral surface of the roller shaft (211) is provided with a plurality of blades (212), the blades (212) on the two roller shafts (211) are arranged in a staggered mode, and can form shearing motion when rotating relatively, one end of each roller shaft (211) is fixedly provided with a gear (25) through a cylindrical sleeve (23) and a flat key (24), the two gears (25) are meshed with each other, the driving wheel (5) and the hand wheel (6) are fixedly arranged at the end part of one of the cutter shafts (211), and the driving wheel (5) and the hand wheel (6) are positioned at the outer side of the chopping box body (2).

3. A frozen bait chopping device as claimed in claim 2, characterized in that the hand wheel (6) is fixed at the end of the roller shaft (211) by means of a wing nut (6 a); drive wheel (5) are the belt pulley with from driving wheel (7), driving medium (8) are V type belt, the both ends of driving medium (8) are established respectively drive wheel (5) and are followed driving wheel (7) and go up.

4. A frozen bait chopping device as claimed in claim 1, 2 or 3, characterized in that the eccentric shaft assembly (3) comprises a stepped sleeve (31) and an eccentric shaft (32), the stepped sleeve (31) being connected to the side wall of the crushing box (1) by means of a bearing (22), the inner end of the stepped sleeve (31) extending into the crushing box (1) and being provided with a rotating disc (33), the end of the eccentric shaft (32) being secured in an eccentric position on the rotating disc (33), the outer end of the stepped sleeve (31) extending outside the crushing box (1) and the driven wheel (7) being secured thereto; the upper end of the movable jaw (13) is sleeved on the eccentric shaft (32).

5. A frozen bait chopping device as claimed in claim 1, 2 or 3, characterized in that the movable jaw (13) and the fixed jaw (12) are provided with a plurality of racks (10) on opposite sides, and the crushing box body (1) is also provided with racks (10) on the side wall between the movable jaw (13) and the fixed jaw (12); the crushing box is characterized in that a connecting rod (14) is arranged in the crushing box body (1), one end of the connecting rod (14) is hinged to the position, close to the lower end, of the other side face of the movable jaw (13), the other end of the connecting rod (14) is hinged to the inner end of the adjusting screw (9), the outer end of the adjusting screw (9) is located outside the crushing box body (1), and an adjusting wheel (9a) is fixedly arranged at the end of the adjusting screw.

6. A frozen bait chopping device as claimed in claim 5, characterized in that the device further comprises a crusher base (1a) and a chopping box frame (2a) arranged side by side, the crushing box body (1) is fixedly arranged at the upper end of the crusher base (1a), the chopping box body (2) is fixedly arranged at the upper end of the chopping box frame (2a), and the crusher base (1a) and the chopping box frame (2a) are fixedly connected through a plurality of connecting plates (1 b).

7. A frozen bait chopping device as claimed in claim 6, characterized in that the bottom of the crushing box (1) is provided with an ice outlet (15), the ice outlet (15) is positioned right below the filter screen (4) in the crushing box (1), the crusher base (1a) is provided with an inclined slideway (1aa), and the upper end of the inclined slideway (1aa) is opposite to the ice outlet (15).

8. A frozen bait chopping device as claimed in claim 1, 2 or 3, characterized in that the crushing bin (1) is provided with an inclined guide surface (16) at the feed opening (11); the filter screen (4) is including plate body (41), a plurality of evenly arranged mesh (42) have on plate body (41), broken box (1) with plate body (41) both sides between shredding box (2) have baffle (43) of vertical setting.

9. A frozen bait cutting device as claimed in claim 2 or 3, characterized in that a first end cover (26) is fixedly arranged on the outer wall of one side of the cutting box body (2), and one end parts of the two roller shafts (211) are positioned in the first end cover (26); and a second end cover (27) is fixedly arranged on the outer wall of the other side of the chopping box body (2), and the two gears (25) are positioned in the second end cover (27).

10. A frozen bait chopping device as claimed in claim 2 or 3, characterized in that stoppers (28) are arranged on both side walls of the roller shaft group (21) with cutters in the chopping box body (2), a plurality of vertical guide grooves (28a) are arranged on the stoppers (28) in parallel and at intervals, and blades (212) on the roller shafts (211) can pass through the guide grooves (28a) when the roller shafts (211) rotate.