Crayfish shell crushing device

Abstract

The utility model discloses a crayfish shell crushing device which comprises a bin body and a crushing mechanism, and the crushing mechanism is arranged in the bin body. And a plurality of pre-pressing mechanisms which are uniformly spaced are arranged in the circumferential direction of the top of the bin body, and the pre-pressing mechanisms communicate with the bin body. The smashing mechanism comprises a smashing motor and a rotating shaft, the rotating shaft is located in the bin body, the smashing motor is arranged on the top face of the bin body, the output end of the smashing motor is fixedly connected with the top of the rotating shaft, a plurality of detachable blade sets are arranged in the length direction of the rotating shaft, and a bin door capable of being opened and closed is arranged on the side face of the bin body. The device is convenient for replacing the blade group, saves manpower and improves the labor efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing devices, in particular to a crayfish shell crushing device. Background Art

[0002] Crayfish meat is delicious and popular among the public, but its shells are inedible and are generally discarded. In order to avoid wasting shrimp shell resources and reduce their pollution to the environment, shrimp shells can be recycled. Crushing the shrimp shells into shrimp shell powder and mixing them with an appropriate amount of fermentation agent can accelerate the decomposition and fermentation of the shrimp shells, forming high-quality fertilizer. Usually, cutters are used to crush shrimp shells, but shrimp shells are relatively hard and wear out the cutters quickly, requiring frequent replacement of the cutters. Traditional cutters and shafts are integrated structures. When replacing the cutters, the cutters need to be replaced together with the shaft, which is troublesome, labor-intensive, and inconvenient. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a crayfish shell crushing device.

[0004] The technical solution of the utility model is: a crayfish shell crushing device, comprising a bin body and a crushing mechanism, wherein the bin body is provided with the crushing mechanism. A plurality of evenly spaced pre-stressing mechanisms are provided circumferentially on the top of the bin body, and the pre-stressing mechanisms are connected to the bin body. The crushing mechanism includes a crushing motor and a rotating shaft, wherein the rotating shaft is located within the bin body, the crushing motor is provided on the top surface of the bin body, the output end of the crushing motor is fixedly connected to the top of the rotating shaft, multiple sets of detachable blades are provided along the length of the rotating shaft, and a closable bin door is provided on the side of the bin body.

[0005] Furthermore, the upper portion of the silo is cylindrical and the lower portion is conical. The upper portion of the silo is provided with an opening, one side of which is connected to the silo door via a hinge. The tip of the lower portion of the silo is provided with a discharge pipe, which is provided with a throttle valve.

[0006] Furthermore, a groove is provided on the edge of the opening, and a sealing strip matching the groove is provided on the edge of the door.

[0007] Furthermore, the pre-pressing mechanism includes a feeding hopper, pre-pressing rollers, and a pre-pressing motor. The feeding hopper is open at the top and extends outward, while the bottom is connected to the hopper body. A pair of rotatably connected pre-pressing rollers are installed within the feeding hopper, and a pre-pressing motor is installed outside the feeding hopper to drive the pre-pressing rollers.

[0008] Furthermore, the pulverizing motor is provided with a flange, and the pulverizing motor is fixedly connected to the top surface of the bin body through the flange.

[0009] Furthermore, the blade group includes blades and a fixing sleeve. A plurality of blades that are evenly spaced and integrated are provided on the circumference of the fixing sleeve. The rotating shaft passes through the fixing sleeve, and a plurality of fixing bolts are provided on the circumference of the fixing sleeve. The fixing bolts pass through the fixing sleeve and are screwed into the rotating shaft.

[0010] Furthermore, the blade group includes a dull blade group and a sharp blade group. A plurality of groups of evenly spaced dull blade groups are provided on the upper part of the rotating shaft, and a plurality of groups of evenly spaced sharp blade groups are provided on the lower part of the rotating shaft. The length of the sharp blade group is matched with the bottom of the bin body.

[0011] Compared with the prior art, the advantages of the present utility model are as follows: The pre-pressing mechanism can initially roll larger pieces of hard shrimp shells, reduce the wear of the tool in the later stage, improve the service life of the tool, and extend the cycle of replacing the tool. Through the freely opening and closing bin door, it is convenient to repair or replace the blade group in the bin body, speeds up the efficiency of replacing the blade group, and saves the consumption of manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0013] Figure 1 is a schematic diagram of the whole of the present utility model;

[0014] Figure 2 is a schematic diagram of the crushing mechanism of the present utility model;

[0015] Figure 3 is Figure 2 an enlarged view of part A in

[0016] Wherein: 1. Bin body; 2. Pre-pressing mechanism; 3. Crushing mechanism; 11. Opening; 12. Discharge pipe; 111. Groove; 112. Bin door; 121. Throttle valve; 21. Pre-pressing motor; 22. Feeding bin; 23. Pre-pressing roller; 31. Crushing motor; 32. Rotating shaft; 33. Dull blade group; 34. Sharp blade group; 311. Flange; 331. Fixing sleeve; 332. Fixing bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] To make the objectives, technical solutions and advantages of the present utility model clearer, the technical solutions of the present utility model will be described clearly and completely below. Apparently, the described embodiments are only a part rather than all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without any creative efforts shall fall within the scope protected by the present utility model.

[0018] The following will describe the specific embodiments of the present utility model in conjunction with the accompanying drawings:

[0019] As Figures 1 to 3 shown, a crayfish shell crushing device includes a bin body 1 and a crushing mechanism 3, and the crushing mechanism 3 is arranged inside the bin body 1. A plurality of pre-pressing mechanisms 2 are arranged at equal intervals in the circumferential direction at the top of the bin body 1, and the pre-pressing mechanisms 2 communicate with the bin body 1. The upper part of the bin body 1 is cylindrical, and the lower part is conical. The conical lower part of the bin body 1 facilitates the aggregation of the crushed shrimp shells towards the bottom of the bin body 1, facilitating the continuous crushing process of the shrimp shells by the crushing mechanism 3. A discharge pipe 12 is provided at the tip of the lower part of the bin body 1, and a throttle valve 121 is provided on the discharge pipe 12. The shrimp shells are first processed by the pre-pressing mechanism 2 and then flow into the bin body 1 to be crushed by the crushing mechanism 3. The efficiency of feeding can be improved through a plurality of pre-pressing mechanisms 2, and finally discharged from the bottom of the discharge pipe 12 out of the bin body 1.

[0020] The pre-pressing mechanism 2 includes a feeding bin 22, pre-pressing rollers 23 and a pre-pressing motor 21. The top of the feeding bin 22 is open and flares outwards, and the bottom communicates with the bin body 1. A pair of rotatably connected pre-pressing rollers 23 are arranged inside the feeding bin 22, and a pre-pressing motor 21 for driving the pre-pressing rollers 23 is arranged outside the feeding bin 22. The shrimp shells are added from the top of the feeding bin 22, and the pre-pressing motor 21 drives the pre-pressing rollers 23 to rotate. When the shrimp shells pass through the gaps between the rolls of the pre-pressing rollers 23, they are also crushed by the pre-pressing rollers 23.

[0021] The crushing mechanism 3 includes a crushing motor 31 and a rotating shaft 32. The rotating shaft 32 is located inside the bin body 1, the crushing motor 31 is arranged on the top surface of the bin body 1, the crushing motor 31 is provided with a flange 311, and the crushing motor 31 is fixedly connected to the top surface of the bin body 1 through the flange 311. The output end of the crushing motor 31 is fixedly connected to the top of the rotating shaft 32, and a plurality of detachable blade groups are arranged along the length direction of the rotating shaft 32. An opening 11 is provided in the upper part of the bin body 1, and one side of the opening 11 is connected to a bin door 112 through a hinge. It is convenient to repair or replace the blade group inside the bin body 1 through the bin door 112, saving manpower. A groove 111 is provided at the edge of the opening 11, and a sealing strip for cooperating with the groove 111 is provided at the edge of the bin door 112. The sealing performance when the bin door 112 is closed is improved through the cooperation of the sealing strip and the groove 111, preventing the shrimp shell fragments from leaking out through the gap between the opening 11 and the bin door 112 when the crushing mechanism 3 inside the bin body 1 is working.

[0022] The blade group includes blades and a fixing sleeve 331. A plurality of evenly spaced and integrated blades are provided on the circumference of the fixing sleeve 331. The rotating shaft 32 passes through the fixing sleeve 331. A plurality of fixing bolts 332 are provided on the circumference of the fixing sleeve 331. The fixing bolts 332 pass through the fixing sleeve 331 and are screwed into the rotating shaft 32. By removing the fixing screws, the blade group on the rotating shaft 32 can be disassembled, improving the convenience of replacing the cutting tool. The blade group includes a dull blade group 33 and a sharp blade group 34. A plurality of groups of evenly spaced dull blade groups 33 are provided on the upper part of the rotating shaft 32, and a plurality of groups of evenly spaced sharp blade groups 34 are provided on the lower part. The length of the sharp blade group 34 matches the conical bottom of the bin body 1. The dull blade group 33 is used to crush larger shrimp shell fragments processed by the pre-pressing mechanism 2 and is more wear-resistant; the sharp blade group 34 is used to further crush the smaller shrimp shell fragments processed by the dull blade group 33 to make the shrimp shell fragments finer. The cooperation of the dull blade group 33 and the sharp blade group 34 ensures the crushing degree of the shrimp shells while increasing the service life of the blade group, extending the service life of replacing the blade group, reducing the maintenance man-hours, and improving the working efficiency.

[0023] The working principle of the specific embodiment of the present utility model is as follows: The shrimp shells fall into the feeding bin 22, and the pre-pressing motor 21 drives the pre-pressing roller 23 to initially crush the shrimp shells. The crushing motor 31 drives the rotating shaft 32 to rotate. The larger shrimp shell fragments fall into the bin body 1 and are first processed by the dull blade group 33 to form smaller shrimp shell fragments; the smaller shrimp shell fragments are further refined by the sharp blade group 34 at the bottom of the bin body 1. The throttle valve 121 controls the crushed shrimp shell fragments to be discharged from the discharge pipe 12.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "upper", "lower", "left", "right", "front", "rear" and similar expressions used herein are only for the purpose of illustration.

[0025] The above is only a preferred embodiment of the present invention and does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to be equivalent embodiments with equivalent changes, but as long as it does not depart from the technical content of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A crayfish shell crushing device, comprising a bin body (1) and a crushing mechanism (3), wherein the crushing mechanism (3) is arranged inside the bin body (1), and is characterized in that: A plurality of pre-pressing mechanisms (2) are evenly spaced in the circumferential direction at the top of the bin body (1), and the pre-pressing mechanisms (2) communicate with the bin body (1); the crushing mechanism (3) includes a crushing motor (31) and a rotating shaft (32). The rotating shaft (32) is located inside the bin body (1), the crushing motor (31) is arranged on the top surface of the bin body (1), the output end of the crushing motor (31) is fixedly connected to the top of the rotating shaft (32), and a plurality of detachable blade groups are arranged along the length direction of the rotating shaft (32). A door (112) that can be opened and closed is arranged on the side surface of the bin body (1).

2. The crayfish shell crushing device according to claim 1, characterized in that: The upper part of the bin body (1) is cylindrical, and the lower part is conical; an opening (11) is arranged in the upper part of the bin body (1), and one side of the opening (11) is connected to the door (112) through a hinge; a discharge pipe (12) is arranged at the tip of the lower part of the bin body (1), and a throttle valve (121) is arranged on the discharge pipe (12).

3. The crayfish shell crushing device according to claim 2, characterized in that: A groove (111) is arranged at the edge of the opening (11), and a sealing strip for cooperating with the groove (111) is arranged at the edge of the door (112).

4. The crayfish shell crushing device according to claim 1, wherein: The pre-pressing mechanism (2) includes a feeding bin (22), a pre-pressing roller (23) and a pre-pressing motor (21); the top of the feeding bin (22) is open and flares outwards, and the bottom is communicated with the bin body (1); a pair of rotatably connected pre-pressing rollers (23) are arranged inside the feeding bin (22), and a pre-pressing motor (21) for driving the pre-pressing rollers (23) is arranged outside the feeding bin (22).

5. The crayfish shell crushing device according to claim 1, characterized in that: The crushing motor (31) is provided with a flange (311), and the crushing motor (31) is fixedly connected to the top surface of the bin body (1) through the flange (311).

6. The crayfish shell crushing device according to claim 1, wherein: The blade group includes blades and a fixing sleeve (331). A plurality of evenly spaced and integrated blades are arranged on the circumference of the fixing sleeve (331); the rotating shaft (32) passes through the fixing sleeve (331), and a plurality of fixing bolts (332) are arranged on the circumference of the fixing sleeve (331), and the fixing bolts (332) pass through the fixing sleeve (331) and are screwed into the rotating shaft (32).

7. The crayfish shell crushing device according to claim 1, characterized in that: The blade group includes a dull blade group (33) and a sharp blade group (34); a plurality of evenly spaced dull blade groups (33) are arranged in the upper part of the rotating shaft (32), and a plurality of evenly spaced sharp blade groups (34) are arranged in the lower part of the rotating shaft (32), and the length of the sharp blade group (3) matches the bottom of the bin body (1).

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