Screening device for high-protein rice bran raw materials

Abstract

The utility model relates to the technical field of rice bran screening, and discloses a screening device for high-protein rice bran raw materials. The crushing device comprises the driving assembly, the driven assembly is movably connected to the side, close to the powder conveying pipeline, of the driving assembly, the extrusion block is fixedly connected to the end, away from the driving assembly, of the driven assembly, and the driven assembly is pushed to reciprocate under limitation of the powder conveying pipeline through rotation of the driving assembly; rice bran hard lumps in the powder conveying pipeline are scattered, so that the rice bran raw materials entering the screening machine are all powdery, and the problems that in the prior art, operators need to slowly pour the whole bag of rice bran raw materials to the topmost screen of the screening machine, a large amount of manpower is consumed in the process, and the efficiency is high are solved. And if the bag contains the rice bran hard lumps which are bonded together, the screening efficiency can be influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of rice bran screening, in particular to a screening device for high-protein rice bran raw materials. Background Technique

[0002] Rice bran is mainly made from the pericarp, seed coat, aleurone layer, outer endosperm and embryo, and can be added to feed and food, which has the functions of promoting defecation, reducing cholesterol, and reducing urinary calculi. As a high-quality plant protein, the content of rice bran protein is about twice that of polished rice, and it can be used as a nutritional additive for functional foods; at the same time, there are no anti-nutritional factors in rice bran protein, and it is a low-allergenic protein, which is suitable as a nutritional food for special populations and infants.

[0003] The screening process is an essential step in the processing of rice bran. The purpose is to grade, remove impurities and filter the rice bran. When screening rice bran raw materials with existing screening devices, operators need to slowly pour the whole bag of rice bran raw materials onto the topmost sieve of the screening machine. This process consumes a lot of manpower, and if there are hard lumps of rice bran stuck together in the bag, it will affect the screening efficiency.

[0004] Therefore, to solve such problems, we have proposed a screening device for high-protein rice bran raw materials. Content of the Utility Model

[0005] The purpose of the utility model is to provide a screening device for high-protein rice bran raw materials, aiming to solve the problem in the above background technique that existing operators need to slowly pour the whole bag of rice bran raw materials onto the topmost sieve of the screening machine. This process consumes a lot of manpower, and if there are hard lumps of rice bran stuck together in the bag, it will affect the screening efficiency.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: A screening device for high-protein rice bran raw materials, including a raw material feeding device, one end of the raw material feeding device is fixedly connected with a powder conveying pipeline, a workbench is arranged on the side of the powder conveying pipeline away from the raw material feeding device, a conveyor belt is installed on the side of the workbench close to the powder conveying pipeline, a plurality of crushing devices are arranged on the side of the conveyor belt close to the powder conveying pipeline, one end of the powder conveying pipeline away from the raw material feeding device is provided with a screening machine, the crushing device includes a driving component, a driven component is movably connected to the side of the driving component close to the powder conveying pipeline, and an extrusion block is fixedly connected to the end of the driven component away from the driving component.

[0007] Preferably, the raw material feeding device includes a raw material feeding bin, and a raw material discharge pipe is welded on the side of the raw material feeding bin close to the powder conveying pipeline.

[0008] Preferably, the powder conveying pipeline includes a housing. One end of the housing close to the screening machine is welded with a powder discharge pipe, and one end of the housing close to the raw material discharge pipe is welded with a sealing plate.

[0009] Preferably, on one side of the housing close to the raw material discharge pipe, a first square groove is opened. The first square groove matches the raw material discharge pipe. On one side of the housing close to the powder discharge pipe, a second square groove is opened. The second square groove matches the powder discharge pipe. Multiple groups of circular holes are penetrated through the side surface of the housing, and the circular holes match the crushing device.

[0010] Preferably, the conveyor belt includes a support frame. The support frame is fixedly connected to one side of the workbench close to the powder conveying pipeline. A first motor is installed on the outside of the support frame. The driving end of the first motor is fixedly connected to a first rotating shaft. A belt is wrapped around the outside of the first rotating shaft.

[0011] Preferably, the driving assembly includes a support block. A second motor is installed on one side of the support block away from the housing. The driving end of the second motor is installed with a second rotating shaft. Multiple groups of cams are fixedly connected to the outside of the second rotating shaft.

[0012] Preferably, the driven assembly includes a runner. The runner is movably connected to the cam. Clamping blocks are installed on both sides of the runner. A runner shaft is penetrated between the clamping blocks. The runner rotates between the clamping blocks around the runner shaft. On one side of the clamping block away from the cam, a cushion block is welded. On one side of the cushion block away from the clamping block, a connecting rod is fixedly connected. The connecting rod matches the circular hole. One end of the connecting rod away from the cushion block is fixedly connected with a pressing block. A spring is installed on one side of the cushion block close to the pressing block. The spring is sleeved on the outside of the connecting rod.

[0013] Preferably, the screening machine includes a screening machine main body. One side of the screening machine main body close to the workbench is fixedly connected with a screening machine cover. The screening machine cover matches the powder discharge pipe.

[0014] The utility model has the following beneficial effects:

[0015] In the utility model, the crushing device includes a driving assembly. One side of the driving assembly close to the powder conveying pipeline is movably connected with a driven assembly. One end of the driven assembly away from the driving assembly is fixedly connected with a pressing block. Through the rotation of the driving assembly, the driven assembly is pushed to reciprocate under the restriction of the powder conveying pipeline, and the rice bran hard blocks inside the powder conveying pipeline are broken up, so that the rice bran raw materials entering the screening machine are all in powder form. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional schematic diagram of a screening device for high-protein rice bran raw materials proposed by the utility model;

[0017] Figure 2 is a plan schematic diagram of a screening device for high-protein rice bran raw materials proposed by the utility model;

[0018] Figure 3 A three-dimensional schematic diagram of the outer shell in a screening device for high-protein rice bran raw materials proposed by the present utility model;

[0019] Figure 4 A three-dimensional schematic diagram of the conveyor belt in a screening device for high-protein rice bran raw materials proposed by the present utility model;

[0020] Figure 5 A three-dimensional schematic diagram of the crushing device in a screening device for high-protein rice bran raw materials proposed by the present utility model.

[0021] Legend description:

[0022] 1. Raw material feeding device; 11. Raw material feeding bin; 12. Raw material discharge pipe; 2. Powder conveying pipeline; 21. Outer shell; 211. Square groove one; 212. Square groove two; 213. Round hole; 22. Powder discharge pipe; 23. Sealing plate; 3. Workbench; 4. Conveyor belt; 41. Support frame; 42. Motor one; 43. Rotating shaft one; 44. Belt; 5. Crushing device; 51. Driving component; 511. Support block; 512. Motor two; 513. Rotating shaft two; 514. Cam; 52. Driven component; 521. Runner; 522. Clamping block; 523. Runner shaft; 524. Spacer block; 525. Connecting rod; 526. Spring; 53. Extrusion block; 6. Screening machine; 61. Screening machine main body; 62. Screening machine cover. Specific implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. The terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Please refer to Figure 1 - Figure 2 , an embodiment provided by the present utility model: a screening device for high-protein rice bran raw materials, including a raw material feeding device 1. One end of the raw material feeding device 1 is fixedly connected to a powder conveying pipeline 2. On the side of the powder conveying pipeline 2 away from the raw material feeding device 1, there is a workbench 3. On the side of the workbench 3 close to the powder conveying pipeline 2, a conveyor belt 4 is installed. On the side of the conveyor belt 4 close to the powder conveying pipeline 2, there are multiple groups of crushing devices 5. At the end of the powder conveying pipeline 2 away from the raw material feeding device 1, there is a screening machine 6. The crushing device 5 includes a driving component 51. On the side of the driving component 51 close to the powder conveying pipeline 2, there is a driven component 52 movably connected. At the end of the driven component 52 away from the driving component 51, there is an extrusion block 53 fixedly connected. By the rotation of the driving component 51, the driven component 52 is pushed to reciprocate under the restriction of the powder conveying pipeline 2, and the rice bran hard blocks inside the powder conveying pipeline 2 are broken up, so that the rice bran raw materials entering the screening machine 6 are all in powder form.

[0026] Please refer to Figure 2 , the raw material feeding device 1 includes a raw material feeding bin 11. On the side of the raw material feeding bin 11 close to the powder conveying pipeline 2, there is a raw material discharge pipe 12 welded.

[0027] Please refer to Figure 2 , the powder conveying pipeline 2 includes a housing 21. At the end of the housing 21 close to the screening machine 6, there is a powder discharge pipe 22 welded. At the end of the housing 21 close to the raw material discharge pipe 12, there is a sealing plate 23 welded.

[0028] Please refer to Figure 3, on one side of the outer shell 21 close to the raw material discharge pipe 12, a first square groove 211 is provided, the first square groove 211 is matched with the raw material discharge pipe 12, on one side of the outer shell 21 close to the powder discharge pipe 22, a second square groove 212 is provided, the second square groove 212 is matched with the powder discharge pipe 22, and a plurality of groups of round holes 213 are penetrated through the side surface of the outer shell 21, the round holes 213 are matched with the crushing device 5, so that the powder is always inside the powder conveying pipeline 2, avoiding being scattered in the air.

[0029] Please refer to Figure 4 , the conveyor belt 4 includes a support frame 41, the support frame 41 is fixedly connected to one side of the workbench 3 close to the powder conveying pipeline 2, a first motor 42 is installed on the outside of the support frame 41, a first rotating shaft 43 is fixedly connected to the driving end of the first motor 42, and a belt 44 is wrapped around the outside of the first rotating shaft 43. The powder is conveyed into the screening machine 6 by driving the belt 44 through the first motor 42.

[0030] Please refer to Figure 5 , the driving assembly 51 includes a support block 511, a second motor 512 is installed on one side of the support block 511 away from the outer shell 21, a second rotating shaft 513 is installed on the driving end of the second motor 512, and a plurality of groups of cams 514 are fixedly connected to the outside of the second rotating shaft 513. The plurality of groups of cams 514 rotate around the second rotating shaft 513 by the rotation of the second motor 512.

[0031] Please refer to Figure 5 , the driven assembly 52 includes a runner 521, the runner 521 is movably connected to the cam 514, clamping blocks 522 are installed on both sides of the runner 521, a runner shaft 523 is penetrated between the clamping blocks 522, the runner 521 rotates between the clamping blocks 522 around the runner shaft 523, a cushion block 524 is welded on one side of the clamping block 522 away from the cam 514, a connecting rod 525 is fixedly connected to one side of the cushion block 524 away from the clamping block 522, the connecting rod 525 is matched with the round hole 213, an extrusion block 53 is fixedly connected to one end of the connecting rod 525 away from the cushion block 524, a spring 526 is installed on one side of the cushion block 524 close to the extrusion block 53, and the spring 526 is sleeved outside the connecting rod 525. The rotation of the cam 514 pushes the runner 521 to move in the horizontal direction, so that the two extrusion blocks 53 approach each other and impact the hard rice bran lumps. When the cam 514 continues to rotate, under the action of the spring 526, the two extrusion blocks 53 move away from each other. The hard rice bran lumps in the powder conveying pipeline 2 are broken into powder by the action of the plurality of groups of extrusion blocks 53.

[0032] Please refer to Figure 2 , the screening machine 6 includes a screening machine main body 61, a screening machine cover 62 is fixedly connected to one side of the screening machine main body 61 close to the workbench 3, the screening machine cover 62 is matched with the powder discharge pipe 22, so that the rice bran output from the powder discharge pipe 22 falls on the screening machine main body 61 more evenly.

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A screening device for high-protein rice bran raw materials, comprising a raw material feeding device (1). One end of the raw material feeding device (1) is fixedly connected to a powder conveying pipeline (2). A workbench (3) is arranged on the side of the powder conveying pipeline (2) away from the raw material feeding device (1). A conveyor belt (4) is installed on the side of the workbench (3) close to the powder conveying pipeline (2). A plurality of crushing devices (5) are arranged on the side of the conveyor belt (4) close to the powder conveying pipeline (2). A screening machine (6) is arranged at the end of the powder conveying pipeline (2) away from the raw material feeding device (1), characterized in that: The crushing device (5) includes a driving component (51). On one side of the driving component (51) close to the powder conveying pipe (2), a driven component (52) is movably connected. At one end of the driven component (52) away from the driving component (51), an extrusion block (53) is fixedly connected.

2. The screening device for a high-protein rice bran raw material according to claim 1, characterized in that: The raw material feeding device (1) includes a raw material feeding bin (11). On one side of the raw material feeding bin (11) close to the powder conveying pipe (2), a raw material discharge pipe (12) is welded.

3. A screening device for high-protein rice bran raw materials according to claim 2, characterized in that: The powder conveying pipe (2) includes a housing (21). At one end of the housing (21) close to the screening machine (6), a powder discharge pipe (22) is welded. At one end of the housing (21) close to the raw material discharge pipe (12), a sealing plate (23) is welded.

4. A screening device for high-protein rice bran raw materials according to claim 3, characterized in that: On one side of the housing (21) close to the raw material discharge pipe (12), a square groove one (211) is opened. The square groove one (211) matches the raw material discharge pipe (12). On one side of the housing (21) close to the powder discharge pipe (22), a square groove two (212) is opened. The square groove two (212) matches the powder discharge pipe (22). A plurality of groups of round holes (213) are penetrated through the side surface of the housing (21). The round holes (213) match the crushing device (5).

5. A screening device for high-protein rice bran raw materials according to claim 1, characterized in that: The conveyor belt (4) includes a support frame (41). The support frame (41) is fixedly connected to one side of the workbench (3) close to the powder conveying pipe (2). An electric motor one (42) is installed on the outer side of the support frame (41). The driving end of the electric motor one (42) is fixedly connected to a rotating shaft one (43). A belt (44) is wrapped around the rotating shaft one (43).

6. The screening device for a high-protein rice bran raw material according to claim 2, characterized in that: The driving component (51) includes a support block (511). On one side of the support block (511) away from the housing (21), an electric motor two (512) is installed. The driving end of the electric motor two (512) is installed with a rotating shaft two (513). A plurality of groups of cams (514) are fixedly connected to the outside of the rotating shaft two (513).

7. A screening device for high-protein rice bran raw materials according to claim 6, characterized in that: The driven component (52) includes a runner (521). The runner (521) is movably connected to the cam (514). Clamping blocks (522) are installed on both sides of the runner (521). A runner shaft (523) is penetrated between the clamping blocks (522). The runner (521) rotates between the clamping blocks (522) around the runner shaft (523). On one side of the clamping block (522) away from the cam (514), a cushion block (524) is welded. On one side of the cushion block (524) away from the clamping block (522), a connecting rod (525) is fixedly connected. The connecting rod (525) matches the round hole (213). At one end of the connecting rod (525) away from the cushion block (524), an extrusion block (53) is fixedly connected. On one side of the cushion block (524) close to the extrusion block (53), a spring (526) is installed. The spring (526) is sleeved outside the connecting rod (525).

8. A screening device for high-protein rice bran raw materials according to claim 1, characterized in that: The screening machine (6) includes a screening machine main body (61). On one side of the screening machine main body (61) close to the workbench (3), a screening machine cover (62) is fixedly connected. The screening machine cover (62) matches the powder discharge pipe (22).

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