CN115646610B - Reducing mechanism is used in fish fodder production - Google Patents

Abstract

The invention belongs to the technical field of fish feed production, and particularly relates to a crushing device for fish feed production, which comprises a barrel body, a feed hopper and crushing rollers, wherein an inlet and an outlet are arranged on the feed hopper, two feed hoppers are symmetrically arranged left and right, and the crushing rollers can circumferentially rotate to cut and crush raw materials; the outlet of the feed hopper is provided with an intermittent blanking structure which can enable the feed hopper to intermittently blanking and adjust the proportion of feed entering the crushing chamber from the two feed hoppers. According to the invention, the intermittent discharging structure can prevent the feed hopper from continuously feeding materials to the crushing cavity or not feeding materials to the crushing cavity for a long time so as to influence the crushing efficiency and effect, and the intermittent discharging is more intelligent; the intermittent discharging structure can also adjust the feeding proportion of the two feeding hoppers into the crushing cavity, two raw materials meeting the product proportion requirement can be crushed together, and the two raw materials are mixed while being crushed, so that the subsequent batching and mixing procedure can be omitted, and the production efficiency can be improved.

Description

Reducing mechanism is used in fish fodder production

Technical Field

The invention belongs to the technical field of fish feed production, and particularly relates to a crushing device for fish feed production.

Background

The production process of the fish feed mainly comprises the procedures of raw material crushing, ingredient mixing, granulating, puffing, drying, screening, packaging and the like. The fish feed comprises a plurality of raw materials, for example, the raw materials of groupers comprise: 6% of corn flour, 3% of brewer's grains, 3% of bean dregs, 0.28% of earthworm powder, 6% of fish meal, 5% of maggot powder, 0.2% of pig blood, 0.2% of dandelion, 0.25% of purslane, 8% of rape cake, 20% of duckweed, 20% of mulberry leaf, 4% of tea tree leaf, 4% of egg pupa powder, 0.06% of betaine, 0.01% of bile acid salt, 12% of secondary powder and 8% of tapioca flour.

The existing production process of the fish feed generally comprises the steps of crushing different raw materials, mixing and stirring according to a certain proportion, and granulating, wherein the scheme is the current common processing scheme. Specific raw material crushing devices such as patent CN207076515U, CN208526792U, CN215611943U can only crush one raw material.

If the raw materials can be crushed and mixed simultaneously according to the preset proportion, the subsequent batching and mixing procedure can be omitted, and the production efficiency can be improved.

Disclosure of Invention

The invention aims at solving the technical problems, and provides a crushing device for fish feed production, which achieves the effects of intermittently discharging, adjusting the feeding proportion of two feed hoppers into a crushing cavity, crushing two raw materials meeting the product proportion requirement together, mixing while crushing, omitting the subsequent batching and mixing process and improving the production efficiency.

In view of the above, the present invention provides a pulverizing apparatus for producing fish feed, comprising:

the barrel body is internally provided with a crushing cavity;

the feeding hopper is provided with an inlet and an outlet, and two feeding hoppers are symmetrically arranged left and right;

the crushing roller can circumferentially rotate to cut the crushed raw materials;

wherein, the feeder hopper sets up on the staving, and crushing roller is located crushing chamber and in the export below of feeder hopper, and the exit of feeder hopper is provided with intermittent type unloading structure, intermittent type unloading structure can make the feeder hopper intermittently unloading and can adjust the feeding proportion that gets into crushing chamber from two feeder hoppers.

In the technical scheme, the intermittent discharging structure can prevent the feed hopper from continuously feeding materials to the crushing cavity or not feeding materials to the crushing cavity for a long time so as to influence the crushing efficiency and effect, and the intermittent discharging is more intelligent; the intermittent discharging structure can also adjust the feeding proportion of the two feeding hoppers into the crushing cavity, two raw materials meeting the product proportion requirement can be crushed together, and the two raw materials are mixed while being crushed, so that the subsequent batching and mixing procedure can be omitted, and the production efficiency can be improved.

Further, intermittent type unloading structure is including setting up the striker plate with every feeder hopper exit, and the striker plate terminal surface is laminated with exit, has offered the silo on every striker plate, and two striker plates can make the striker plate pass the silo with corresponding feeder hopper export align or shelter from in feeder hopper exit under the effect of same drive structure simultaneously circumferential direction, and the feeding proportion that two feeder hoppers got into crushing cavity is the same with the fluting quantity ratio on two striker plates.

In this technical scheme, can make two striker plates simultaneously circumference rotate through same drive structure and make the periodic and corresponding feeder hopper export alignment unloading of passing through the bin of striker plate, through making two striker plates pass through the bin quantity difference moreover, can reach the striker plate and rotate the time of a week from the quantity proportioned of two feeder hopper export unloading, reached the effect of control raw materials proportion.

Further, the department of passing through the bin of striker plate is provided with the cutting device in advance, the cutting device in advance includes:

the mounting seat is fixedly arranged at one side edge of the material passing groove;

and the blade is detachably arranged on the mounting seat, and the cutting edge angle of the blade faces to the trough.

In this technical scheme, can carry out the precut to the raw materials that comes out from the feeder hopper through setting up cutting device, can prevent overlength or too big raw materials card and produce the card in the exit and dun, also can carry out the precut to the raw materials, improve subsequent crushing efficiency.

Further, the driving structure includes:

the driving gear is connected with the circumferential rotation source assembly and can circumferentially rotate, opposite extending plates are arranged on the surface of the driving gear in parallel and up and down along the axial direction, each extending plate is vertically and rotatably provided with following bevel teeth, the following bevel teeth are vertical to the axial line of the driving gear, and the two following bevel teeth are oppositely arranged;

the driven bevel gears are arranged in two in opposite directions, each driven bevel gear is respectively and fixedly connected with a rotating shaft in a coaxial mode, and the other end of each rotating shaft is also respectively and fixedly connected with the baffle plate in the coaxial and circumferential mode;

wherein, two driven bevel gears are respectively arranged on two sides of the following bevel gear coaxially with the driving gear, and the upper end and the lower end of the driven bevel gear are respectively meshed with the two driven bevel gears.

In the technical scheme, the driving structure has two functions, and the first function is to enable the two baffle plates to simultaneously and circumferentially rotate for intermittent blanking during normal production work; the second effect is that when the cutting device of the outlet of the large-size raw material clamp is not cut off the large-size raw material clamp and the baffle plate is decelerated and rotated by large resistance, the baffle plate on the other side is not decelerated, then the cutting device cuts off the large-size raw material and continuously rotates the left baffle plate and the right baffle plate to synchronously rotate and intermittently discharge the raw material in a short time, so that the baffle plates on one side can not cut the raw material by the baffle plates on the other side when the baffle plates on the other side are instantaneously clamped, the baffle plates on the two sides can not be mutually influenced, and the cutting force can be maintained.

Further, the circumferentially rotating source assembly includes:

the transmission shaft penetrates through one end, provided with transmission teeth, of the barrel body and stretches into the barrel body to be meshed with the driving gear, and the other end of the transmission shaft is positioned outside the barrel body;

the output end of the material blocking motor is connected with a group of speed reducing belt pulley assemblies;

wherein, the transmission shaft is fixedly connected with a belt pulley with a large diameter in the speed reducing belt pulley assembly at one end of the outer part of the barrel body.

Further, every crosses silo on the striker plate and all corresponds to be provided with the regulation structure that is provided with the silo that crosses and opens and shut and the aperture size, regulation structure includes:

the accommodating cavity is arranged in the baffle plate and adjacent to the material passing groove, the inner wall of the accommodating cavity is provided with an arc chute,

the groove shielding plate is provided with a convex block;

wherein, the lug sets up in the arc spout with arc spout cooperation, and the baffle can slide along the arc spout under the regulation and control subassembly effect and get into or leave the silo of crossing.

In this technical scheme, can make the shielding plate totally or partly shelter from the silo through setting up adjusting structure, so alright adjust the position of shielding plate for the silo of crossing according to the raw materials ratio of needs.

Further, the regulatory assembly comprises:

the regulation driven teeth are arranged on the periphery of the slot shielding plate;

the adjusting knob is perpendicular to the striker plate and arranged on the striker plate, one end of the adjusting knob is exposed outside the striker plate, and the other end of the adjusting knob is provided with a regulating driving tooth and extends into the accommodating cavity;

the locking rod is arranged at the periphery of the striker plate along the diameter of the striker plate, can be inserted into the accommodating cavity in a sliding manner, and is sleeved with a locking spring, so that the head of the locking rod always has a movement trend of being inserted into the accommodating cavity;

the head of the locking rod is always inserted between two teeth of the regulation driving tooth under the action of the locking spring so as to prevent the movement trend of the circumferential rotation of the regulation driving tooth.

Furthermore, the shape of the groove shielding plate and the shape of the material passing groove are fan-shaped, and scales are arranged on the periphery of the groove shielding plate and the regulation driven teeth in parallel.

In the technical scheme, through setting up the scale, can make the operator adjust the position of the baffle plate more accurately and adjust the aperture of silo, make the ratio of raw materials more accurate.

Further, the outlet of the feeding hopper is formed in the lower side of the feeding hopper, and the bottom of the feeding hopper is inclined towards the outlet.

Further, the using method of the crushing device comprises the following steps:

step S1, selecting and applying the proportion of two unnecessary raw materials, then adjusting the opening and closing of the material passing groove and the opening size through an adjusting structure, and determining the adjusted position according to the scale of the periphery of the shielding groove plate;

step S2, after the adjustment step of the step S1 is completed, adding different raw materials into the two feed hoppers, and opening a material blocking motor to enable the driving structure to control the two material blocking plates to synchronously rotate circumferentially at the outlet of the feed hoppers, when the outlet of the feed hoppers is aligned with a material passing groove which is not blocked by the shielding groove plates, the raw material blanking is realized, and when the material passing groove is far away from the outlet of the feed hoppers, the blanking is stopped, so that the intermittent blanking is realized;

s3, cutting the excessive and overlong raw materials by a blade of a pre-cutting device when the raw materials pass through a material passing groove for discharging in the circumferential rotation process of the material blocking plate;

and S4, when the excessively-long raw materials are blocked in the passing trough, if the excessively-long raw materials are blocked at the outlet and the cutting device does not cut off the excessively-long raw materials, and the stop plate at the other side is enabled to rotate continuously by the driving structure without stopping, so that the stop plate which is blocked instantaneously can be continuously provided with power to rotate so as to enable the cutting device to cut off the long materials to rotate continuously.

And S5, the raw materials enter a crushing chamber and are crushed by a crushing roller and then are discharged from a discharge hole below the barrel body.

The beneficial effects of the invention are as follows:

1. the intermittent discharging structure can prevent the feed hopper from continuously feeding materials to the crushing cavity or not feeding materials to the crushing cavity for a long time so as to influence the crushing efficiency and effect, and the intermittent discharging is more intelligent; the intermittent blanking structure can also adjust the feeding proportion of the two feed hoppers into the crushing chamber, so that two raw materials meeting the product proportion requirement can be crushed together, and the two raw materials are mixed while being crushed, so that the subsequent batching and mixing process can be omitted, and the production efficiency can be improved;

2. the two baffle plates can rotate circumferentially at the same time through the same driving structure to enable the material passing grooves of the baffle plates to be aligned with the corresponding material feeding hopper outlets periodically for discharging, and the quantity of the discharged materials from the two material feeding hopper outlets in the period of one rotation of the baffle plates is proportioned by enabling the material passing grooves of the two baffle plates to be different, so that the effect of controlling the proportion of the raw materials is achieved;

3. the cutting device is arranged to pre-cut the raw materials from the feed hopper, so that the overlong or oversized raw materials can be prevented from being blocked at the outlet, the raw materials can be pre-cut, and the subsequent crushing efficiency is improved;

4. the driving structure has two effects, the first effect is to make two striker plates simultaneously rotate circumferentially to carry out intermittent blanking when the work is being produced, the second effect is to prevent the striker plates on the other side from decelerating when the cutter device on the outlet has not cut off the large-size raw materials and makes the striker plates rotate under great resistance, then the cutter device cuts off the large-size raw materials in a short time to continue rotating the left striker plate and the right striker plate and synchronously rotate to intermittently blanking, so that the striker plates on one side can not cut the raw materials by the striker plates on the other side when the cutter device on the other side is instantaneously blocked, the striker plates on the two sides can not affect each other, and the cutting force can be maintained.

5. Through setting up adjusting structure can make the shielding plate whole or part shelter from the silo, so alright adjust shielding plate for the position of silo of crossing according to the raw materials ratio of needs, through setting up the scale, can make the operator adjust the position of shielding plate more accurately and adjust the aperture of silo of crossing, make the ratio of raw materials more accurate.

Drawings

FIG. 1 is a half cross-sectional view of the present invention;

FIG. 2 is a schematic view of the intermittent feed structure and the position of the feed hopper;

FIG. 3 is a schematic view of an intermittent blanking structure;

FIG. 4 is an exploded view of an intermittent blanking structure;

FIG. 5 is a schematic view of a feed hopper;

FIG. 6 is a schematic view of a dam plate;

FIG. 7 is a semi-sectional view of a dam plate;

fig. 8 is a schematic view of a slot mask.

The label in the figure is:

1. a tub body; 2. a feed hopper; 3. a pulverizing roller; 4. an inlet; 5. an outlet; 6. a pulverizing chamber; 7. a striker plate; 8. a material passing groove; 9. a mounting base; 10. a blade; 11. a blade angle; 12. a drive gear; 13. driven bevel teeth; 14. an extension plate; 15. following the bevel gear; 16. a rotating shaft; 17. a transmission shaft; 18. a material blocking motor; 20. a belt pulley; 21. a receiving chamber; 22. a slot shielding plate; 23. an arc chute; 24. a bump; 25. regulating and controlling the driven teeth; 26. an adjustment knob; 27. a locking lever; 28. regulating and controlling the driving teeth; 29. a locking spring; 30. a scale.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1 to 5, a pulverizing apparatus for producing fish feed comprises a tub 1, a feed hopper 2, and a pulverizing roller 3. The feeder hopper 2 sets up on staving 1, be provided with import 4 and export 5 on the feeder hopper 2, the export 5 of feeder hopper 2 is seted up in the downside of feeder hopper 2, and the bottom of feeder hopper 2 is towards export 5 slope. Be provided with crushing cavity 6 in staving 1, crushing roller 3 is located crushing cavity 6 and under the export 5 of feeder hopper 2, and feeder hopper 2 bilateral symmetry is provided with two, crushing roller 3 can the circumference rotate the cutting crushing raw materials, and the export 5 department of feeder hopper 2 is provided with intermittent type unloading structure, intermittent type unloading structure can make feeder hopper 2 intermittently unloading and can adjust the feeding proportion that gets into crushing cavity 6 from two feeder hoppers 2. The intermittent discharging structure can prevent the feed hopper 2 from continuously feeding materials to the crushing chamber 6 or not feeding materials to the crushing chamber 6 for a long time so as to influence the crushing efficiency and effect, and the intermittent discharging is more intelligent; the intermittent discharging structure can also adjust the feeding proportion of the two feeding hoppers 2 into the crushing cavity 6, two raw materials meeting the product proportion requirement can be crushed together, and the two raw materials are mixed while being crushed, so that the subsequent batching and mixing procedure can be omitted, and the production efficiency can be improved.

The intermittent blanking structure comprises baffle plates 7 arranged at the outlet 5 of each feed hopper 2, the end faces of the baffle plates 7 are attached to the outlet 5, a trough 8 is formed in each baffle plate 7, the two baffle plates 7 can synchronously rotate circumferentially under the action of the same driving structure, so that the trough 8 of each baffle plate 7 is aligned with the outlet 5 of the corresponding feed hopper 2 or is blocked at the outlet 5 of the feed hopper 2, and the feeding proportion of the two feed hoppers 2 entering the crushing cavity 6 is the same as the slotting quantity ratio of the two baffle plates 7. The two baffle plates 7 can be enabled to rotate circumferentially simultaneously through the same driving structure, the material passing grooves 8 of the baffle plates 7 are enabled to be aligned with the corresponding material passing grooves 8 of the material feeding hopper 2 periodically for discharging, and the material discharging proportion can be controlled by enabling the number of the material passing grooves 8 of the two baffle plates 7 to be different, so that the material discharging quantity from the outlets 5 of the two material feeding hopper 2 in the period of one rotation of the baffle plates 7 is proportional.

Example 2:

as shown in fig. 6, one material passing groove 8 may be provided on the baffle plate 7, or four material passing grooves 8 may be provided. Each pass trough 8 is provided with a pre-cutting device comprising a mounting seat 9 and a blade 10. The mounting seat 9 is fixedly arranged at one side edge of the material passing groove 8; the blade 10 is detachably mounted on the mounting seat 9, and the cutting edge 11 of the blade 10 faces the trough 8. The cutting device is arranged to pre-cut the raw materials from the feed hopper 2, so that the raw materials which are too long or too large can be prevented from being blocked at the outlet 5, the raw materials can be pre-cut, and the subsequent crushing efficiency is improved.

Example 3:

as shown in fig. 3-4, the drive structure includes a driving gear 12 and driven bevel teeth 13. The driving gear 12 is connected with the circumferential rotation source assembly and can circumferentially rotate, opposite extending plates 14 are arranged on the surface of the driving gear 12 in parallel and up and down along the axial direction, each extending plate 14 is vertically and rotatably provided with a following bevel gear 15, the following bevel gears 15 are vertical to the axial line of the driving gear 12, and two following bevel gears 15 are oppositely arranged; the driven bevel gears 13 are arranged in two in total, the two driven bevel gears 13 are arranged in opposite directions, each driven bevel gear 13 is respectively and fixedly connected with a rotating shaft 16 in a coaxial way, and the other end of each rotating shaft 16 is also respectively and fixedly connected with the baffle plate 7 in a coaxial and circumferential way; the two driven bevel gears 13 are coaxially arranged on both sides of the following bevel gear 15 with the driving gear 12, respectively, and the upper and lower ends are engaged with the two driven bevel gears 13, respectively.

The specific working process of the driving structure is as follows: the circumferential rotation source assembly drives the driving gear 12 to rotate circumferentially, and the driving gear 12 drives the following bevel gear 15 connected with the driving gear 12 through the extension plate 14 to rotate around the axis of the driving gear 12 along with the driving gear 12, so that the following bevel gear 15 does not rotate. The following bevel gear 15 clamps the driven bevel gear 13 to rotate around the axis of the driving gear 12, so that the two striker plates 7 synchronously rotate circumferentially to realize intermittent blanking. When the cutting device at the outlet 5 of the feeding hopper 2 at one side is not cut off, and the baffle plate 7 is subjected to resistance deceleration rotation, the following bevel gear 15 is meshed with the two driven bevel gears 13 and is subjected to rotation torque, so that the following bevel gear 15 rotates around the axis of the following bevel gear 15, and different rotation speeds of the two driven bevel gears 13 are realized. This process is very short because the non-stuck driven bevel 13 rotates, which drives the following bevel 15 to rotate around its axis, so that the stuck driven bevel 13 also rotates around its axis, and the side dam 7 rotates, so that the cutting device can cut the long material immediately and the two driven bevel 13 continue to rotate at the same speed.

The driving structure has two effects, the first effect is to make two striker plates 7 rotate circumferentially simultaneously and carry out intermittent blanking when the work is being produced, the second effect is to make the striker plate 7 on the other side not to slow down when the cutter device at the outlet 5 cuts off the large-size raw materials and makes the striker plate 7 receive great resistance to slow down and rotate, then the cutter device cuts off the large-size raw materials and continues to rotate to make the left striker plate 7 and the right striker plate 7 rotate synchronously and intermittently for blanking in a short time, so that the striker plates 7 on one side can not mutually cut the raw materials by the striker plates 7 on the other side when the cutter device at the outlet 5 is in instant clamping, the striker plates 7 on the two sides can not be mutually influenced, and the cutting force can be maintained.

Example 4:

as shown in fig. 1, the circumferential rotation source assembly includes a drive shaft 17 and a dam motor 18. One end of the transmission shaft 17, which penetrates through the upper part of the barrel body 1 and is provided with transmission teeth, extends into the barrel body 1 to be meshed with the driving gear 12, and the other end of the transmission shaft is positioned outside the barrel body 1; the output end of the material blocking motor 18 is connected with a group of speed reducing belt pulleys 20 in a group; the end of the transmission shaft 17 outside the tub 1 is fixedly connected with a large diameter pulley 20 of the reduction pulley 20 assembly.

Example 5:

as shown in fig. 6-8, each material passing groove 8 on the material blocking plate 7 is correspondingly provided with an adjusting structure capable of adjusting the opening and closing of the material passing groove 8, and the adjusting structure comprises a containing cavity 21 and a shielding groove plate 22. A containing cavity 21 is formed in the material baffle 7 and adjacent to the material passing groove 8, an arc-shaped chute 23 is formed in the inner wall of the containing cavity 21, and a protruding block 24 is arranged on the chute 22; the protruding block 24 is arranged in the arc chute 23 in cooperation with the arc chute 23, and the shielding chute 22 can slide along the arc chute 23 into or out of the chute 8 under the action of the regulating and controlling assembly. The control assembly includes a control follower tooth 25, an adjustment knob 26 and a locking lever 27. The regulating driven teeth 25 are arranged on the periphery of the slot shielding plate 22; the adjusting knob 26 is perpendicular to the striker plate 7 and is arranged on the striker plate 7, one end of the adjusting knob 26 is exposed outside the striker plate 7, and the other end of the adjusting knob 26 is provided with a regulating driving tooth 28 and extends into the accommodating cavity 21. The locking rod 27 is arranged on the periphery of the striker plate 7 along the diameter of the striker plate 7, the locking rod 27 can be slidably inserted into the accommodating cavity 21, the locking rod 27 is sleeved with a locking spring 29, and the head of the locking rod 27 always has a movement trend of being inserted into the accommodating cavity 21 by the locking spring 29; the regulating driving teeth 28 are meshed with the regulating driven teeth 25, and the head of the locking rod 27 always has a movement trend of being inserted between two teeth of the regulating driving teeth 28 under the action of the locking spring 29 to prevent the circumferential rotation of the regulating driving teeth 28. The shape of the slot shielding plate 22 and the shape of the material passing slot 8 are both fan-shaped, and scales 30 are arranged on the periphery of the slot shielding plate 22 in parallel with the regulating driven teeth 25.

When the trough 8 needs to be adjusted to be opened, the locking rod 27 is pulled outwards by hand to enable the adjusting knob 26 to freely rotate, and then the adjusting driving teeth 28 on the adjusting knob 26 are meshed with the adjusting driven teeth 25 on the periphery of the trough 22, so that the trough 22 can slide along the arc-shaped sliding groove 23, the trough 22 slides into the trough 8, and then whether the trough 22 is adjusted in place is determined according to the scales 30 on the periphery of the trough 22. After the adjustment is in place, the locking rod 27 is released by hand, and the head of the locking rod 27 can be inserted between two teeth of the adjusting and controlling driving tooth 28 under the action of the locking spring 29 to prevent the adjusting and controlling driving tooth 28 from continuing to rotate circumferentially. The shielding plate 22 can fully or partially shield the trough 8 by arranging the adjusting structure, so that the position of the shielding plate 22 relative to the trough 8 can be adjusted according to the required raw material proportion. By providing the scale 30, an operator can adjust the position of the mask 22 more precisely to adjust the opening of the trough 8, and the ratio of the raw materials is more precise.

The using method of the crushing device comprises the following steps:

step S1, selecting and applying the proportion of two unused raw materials, then adjusting the opening and closing of the trough 8 through an adjusting structure, and determining the adjusted position according to the scale 30 on the periphery of the trough shielding plate 22;

step S2, after the adjustment step of the step S1 is completed, different raw materials are added into the two feed hoppers 2, a material blocking motor 18 is turned on to enable a driving structure to control the two material blocking plates 7 to synchronously rotate circumferentially at the outlet 5 of the feed hoppers 2, when the outlet 5 of the feed hoppers 2 is aligned with a material passing groove 8 which is not blocked by a shielding groove plate 22, raw material blanking is realized, and when the material passing groove 8 is far away from the outlet 5 of the feed hoppers 2, blanking is stopped, so intermittent blanking is realized;

s3, cutting the excessive and overlong raw materials by a blade 10 of a pre-cutting device when the raw materials pass through a material passing groove 8 for discharging in the circumferential rotation process of a material blocking plate 7;

and S4, when the excessively-long raw material is blocked in the passing groove 8, if the excessively-long raw material is blocked at the outlet 5 and the cutting device does not cut off the excessively-long raw material, and the stop plate 7 at the other side is enabled to rotate continuously without stopping by the driving structure, so that power can be continuously provided for the stop plate 7 which is blocked instantaneously, so that the stop plate rotates, and the cutting device cuts off the long material and rotates continuously.

And S5, the raw materials enter a crushing chamber 6 and are crushed by a crushing roller 3 and then discharged from a discharge hole below the barrel body 1.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims (6)

1. Reducing mechanism is used in fish fodder production, characterized by includes:

the novel grinding device comprises a barrel body (1), wherein a grinding chamber (6) is arranged in the barrel body (1);

the feeding hopper (2), the feeding hopper (2) is provided with an inlet (4) and an outlet (5), and the feeding hopper (2) is symmetrically provided with two parts;

a pulverizing roller (3), wherein the pulverizing roller (3) can circumferentially rotate to cut the pulverized raw material;

the feeding hopper (2) is arranged on the barrel body (1), the crushing roller (3) is positioned in the crushing chamber (6) and below an outlet (5) of the feeding hopper (2), an intermittent discharging structure is arranged at the outlet (5) of the feeding hopper (2), and the intermittent discharging structure can enable the feeding hopper (2) to intermittently discharge and can adjust the feeding proportion of the two feeding hoppers (2) entering the crushing chamber (6);

the intermittent blanking structure comprises baffle plates (7) arranged at the outlet (5) of each feed hopper (2), the end faces of the baffle plates (7) are attached to the outlet (5), a trough (8) is formed in each baffle plate (7), the two baffle plates (7) can synchronously rotate circumferentially under the action of the same driving structure, so that the trough (8) of each baffle plate (7) is aligned with the outlet (5) of the corresponding feed hopper (2) or the baffle plates (7) are blocked at the outlet (5) of the feed hopper (2), and the feeding proportion of the two feed hoppers (2) entering the crushing cavity (6) is the same as the slotting quantity ratio of the two baffle plates (7);

the material passing groove (8) of the material baffle (7) is provided with a pre-cutting device, and the pre-cutting device comprises:

the mounting seat (9) is fixedly arranged at one side edge of the material passing groove (8);

the blade (10) is detachably arranged on the mounting seat (9), and the cutting edge angle (11) of the blade (10) faces the trough (8);

the driving structure includes:

the driving gear (12) is connected with the circumferential rotation source assembly and can circumferentially rotate, opposite extending plates (14) are arranged on the disc surface of the driving gear (12) in the direction parallel to the axis up and down, each extending plate (14) is vertically rotated and provided with a following bevel gear (15), the following bevel gears (15) are perpendicular to the axis of the driving gear (12), and the two following bevel gears (15) are oppositely arranged;

the driven bevel gears (13), the driven bevel gears (13) are provided with two in total, the two driven bevel gears (13) are arranged in opposite directions, each driven bevel gear (13) is respectively and fixedly connected with a rotating shaft (16) in a coaxial way, and the other end of each rotating shaft (16) is also respectively and fixedly connected with the striker plate (7) in a coaxial and circumferential way;

wherein, two driven bevel gears (13) are coaxially arranged at two sides of the following bevel gear (15) respectively with the driving gear (12), and the upper end and the lower end of the driven bevel gear are meshed with the two driven bevel gears (13) respectively;

each material passing groove (8) on the material baffle (7) is correspondingly provided with an adjusting structure capable of adjusting the opening and closing of the material passing groove (8) and the opening, and the adjusting structure comprises:

a containing cavity (21), a containing cavity (21) is arranged in the baffle plate (7) and adjacent to the material passing groove (8), an arc chute (23) is arranged on the inner wall of the containing cavity (21),

a slot shielding plate (22), wherein a lug (24) is arranged on the slot shielding plate (22);

the lug (24) and the arc chute (23) are arranged in the arc chute (23) in a matched mode, and the chute board (22) can slide into or leave the chute (8) along the arc chute (23) under the action of the regulating and controlling component.

2. A fish feed production comminution device as claimed in claim 1 wherein the circumferential rotation source assembly comprises:

the transmission shaft (17) penetrates through one end, provided with transmission teeth, of the barrel body (1) and is meshed with the driving gear (12), and the other end of the transmission shaft (17) is positioned outside the barrel body (1);

the material blocking motor (18), the output end of the material blocking motor (18) is connected with a group of speed reducing belt pulley (20) components;

wherein, the transmission shaft (17) is fixedly connected with a belt pulley (20) with large diameter in the speed reducing belt pulley (20) assembly at one end of the outside of the barrel body (1).

3. A fish feed production comminution device as claimed in claim 2, wherein the control assembly comprises:

a regulation driven tooth (25), wherein the regulation driven tooth (25) is arranged on the periphery of the slot shielding plate (22);

the adjusting knob (26) is perpendicular to the striker plate (7), one end of the adjusting knob (26) is exposed out of the striker plate (7), and the other end of the adjusting knob (26) is provided with a regulating driving tooth (28) and extends into the accommodating cavity (21);

the locking rod (27) is arranged on the periphery of the striker plate (7) along the diameter of the striker plate (7), the locking rod (27) can be slidably inserted into the accommodating cavity (21), the locking rod (27) is sleeved with a locking spring (29), and the head of the locking rod (27) always has a movement trend of being inserted into the accommodating cavity (21) by the locking spring (29);

the regulating driving teeth (28) are meshed with the regulating driven teeth (25), and the head of the locking rod (27) is always inserted between two teeth of the regulating driving teeth (28) under the action of the locking spring (29) to prevent the movement trend of the circumferential rotation of the regulating driving teeth (28).

4. A fish feed production crushing device according to claim 3, wherein the shape of the trough shielding plate (22) and the trough (8) are fan-shaped, and the outer periphery of the trough shielding plate (22) is provided with scales (30) parallel to the regulating driven teeth (25).

5. A fish feed production comminution device according to claim 1, characterized in that the outlet (5) of the feed hopper (2) is provided in the lower side of the feed hopper (2), the bottom of the feed hopper (2) being inclined towards the outlet (5).

6. The crushing device for fish feed production according to claim 4, wherein the use method of the crushing device comprises the following steps:

step S1, selecting and applying the proportion of two unused raw materials, then adjusting the opening and closing of the trough (8) through an adjusting structure, and determining the adjusted position according to the scale (30) on the periphery of the trough shielding plate (22);

step S2, after the adjustment step of the step S1 is completed, adding different raw materials into the two feed hoppers (2), and opening a material blocking motor (18) to enable a driving structure to control the two material blocking plates (7) to synchronously rotate circumferentially at the outlet (5) of the feed hoppers (2), when the outlet (5) of the feed hoppers (2) is aligned with a material passing groove (8) which is not blocked by a shielding groove plate (22), discharging the raw materials is realized, and when the material passing groove (8) is far away from the outlet (5) of the feed hoppers (2), stopping discharging, so intermittent discharging is realized;

s3, cutting the excessive and overlong raw materials by a blade (10) of a pre-cutting device when the raw materials pass through a material passing groove (8) for blanking in the circumferential rotation process of the baffle plate (7);

s4, when the excessive and overlong raw materials are blocked in the material passing groove (8), if the overlong raw materials are blocked at the outlet (5) and the cutting device does not cut off the excessive raw materials, and the stop plate (7) at the other side is enabled to rotate continuously by the driving structure without stopping, so that power can be continuously provided for the stop plate (7) which is blocked instantaneously to enable the stop plate to rotate, and the cutting device cuts off long materials to rotate continuously;

and S5, the raw materials enter a crushing chamber (6) and are crushed by a crushing roller (3) and then are discharged from a discharge hole below the barrel body (1).

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