Grain grinding and impurity removing device

Abstract

The utility model discloses a grain milling and impurity removing device which comprises a vibrating screen arranged on a milling machine and an impurity removing device arranged on the milling machine, and the impurity removing device comprises a movable mechanism, a vibrating piece arranged on the movable mechanism and an air suction pipe arranged on the movable mechanism. The movable mechanism is used for driving the vibration piece and the air suction pipe to be connected with the vibration screen. The impurity removing device installed on the grinding machine is used for effectively removing impurities clamped on the screen, the vibration piece is arranged, the impurities clamped on the screen can be effectively vibrated out, an air suction pipe can suck away the impurities on the screen, the situation that the clamped impurities affect follow-up screening is avoided, and the screening efficiency is improved. The problem that at present, blockage is prone to occurring in the impurity removal process after grain milling is effectively solved.

Description

Technical Field

[0001] The utility model belongs to the field of agricultural machinery, and particularly relates to a grain milling and impurity removing device. Background Art

[0002] The most common way to process grains is to mill them into powder and then form edible food through subsequent processing.

[0003] After current grain milling, it is necessary to screen the grains, separating the larger particles. During the screening process, a vibrating screen is generally used. However, during the screening process, some particles will inevitably get stuck in the holes of the screen, resulting in a decrease in the screening efficiency of the vibrating screen. If not cleaned for a long time, it is easy to cause blockage in some areas of the vibrating screen. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a grain milling and impurity removing device to solve the problem of easy blockage during the impurity removal process after current grain milling.

[0005] To solve the above problem, the utility model adopts the following technical solutions:

[0006] A grain milling and impurity removing device includes a vibrating screen arranged on a mill and an impurity removing device arranged on the mill. The impurity removing device includes a moving mechanism, a vibrating member arranged on the moving mechanism, and an air suction pipe arranged on the moving mechanism. The moving mechanism is used to drive the vibrating member and the air suction pipe to be connected to the vibrating screen.

[0007] Further, the moving mechanism includes a connecting frame rotatably connected to the mill. A first telescopic member is arranged between the connecting frame and the mill. Two ends of the first telescopic member are respectively rotatably connected to the connecting frame and the mill. Both the vibrating member and the air suction pipe are arranged on the connecting frame.

[0008] Further, a second telescopic member is arranged on the connecting frame. Both the vibrating member and the air suction pipe are arranged on the telescopic end of the second telescopic member.

[0009] Further, the vibrating member is arranged inside the air suction pipe.

[0010] Further, a wind collecting cover is arranged at one end of the air suction pipe close to the vibrating screen. A roller connected to the vibrating screen is arranged at the open end of the wind collecting cover.

[0011] Further, the mill includes a frame and a milling device arranged on the frame. The connecting frame is rotatably connected to the frame. A suction fan connected to the air suction pipe is arranged on the frame.

[0012] Further, the milling device includes a lifting member disposed on the frame, a lifting frame disposed on the lifting member, a driving motor disposed on the lifting frame, a conical milling member drivingly connected to the driving motor, and a conical milling cylinder disposed on the frame. The conical milling member is located within the conical milling cylinder. The taper of the conical milling member is smaller than that of the conical milling cylinder. An opening facing the vibrating screen is provided at the bottom end of the conical milling cylinder.

[0013] Further, the vibrating member includes a cylinder.

[0014] The remarkable beneficial effects achieved by the present utility model are as follows:

[0015] 1. In this application, the impurity removal device installed on the mill effectively removes the sundries stuck on the sieve. The setting of the vibrating member can effectively shake out the sundries stuck on the sieve, enabling the suction air pipe to suck away the sundries on the sieve, avoiding the influence of the stuck sundries on subsequent screening, and effectively solving the problem of easy blockage during the impurity removal process after grain milling.

[0016] 2. The setting of the air collecting hood and the rollers can, on the one hand, horizontally cover the upper end of the vibrating screen, and on the other hand, facilitate movement driven by the second telescopic member, facilitating impurity removal of the entire vibrating screen.

[0017] 3. The conical milling member is conical, and its rotatable and liftable setting can mill the grains according to requirements, and the particle size after milling is controllable. Description of the Drawings

[0018] Attached Figure 1 is the front view structural schematic diagram of the present utility model;

[0019] Attached Figure 2 is the sectional view structural schematic diagram of the air collecting hood in the present utility model;

[0020] Attached Figure 3 is the top view structural schematic diagram of the connecting frame in the present utility model;

[0021] Attached Figure 4 is the present utility model Figure 1 the enlarged structural schematic diagram at A therein.

[0022] In the drawings, 1, vibrating screen; 2, vibrating member; 3, suction air pipe; 4, connecting frame; 5, first telescopic member; 6, second telescopic member; 7, air collecting hood; 8, rollers; 9, frame; 10, lifting member; 11, lifting frame; 12, driving motor; 13, conical milling member; 14, conical milling cylinder; 15, exhaust fan. Detailed Embodiments

[0023] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0024] Example 1

[0025] If Figures 1 - 3 As shown, a grain grinding and impurity removal device comprises a vibrating screen 1 arranged on a grinding machine and an impurity removal device arranged on the grinding machine;

[0026] Wherein, the milling machine comprises a frame 9 and a milling device mounted on the frame 9, the milling device comprises a lifting member 10 mounted on the upper end of the frame 9, a lifting frame 11 mounted on the lifting end of the lifting member 10, a driving motor 12 mounted on the upper end of the lifting frame 11, a conical milling member 13 located below the lifting frame 11 and connected to the driving motor 12 by transmission, and a conical milling cylinder 14 mounted on the frame 9, the conical milling member 13 is rotatably connected to the lifting frame 11, the conical milling member 13 is located in the conical milling cylinder 14 and is coaxial, the conical milling member 13 has a smaller taper than the conical milling cylinder 14, and the bottom end of the conical milling cylinder 14 is provided with an opening facing the vibrating screen 1; the space between the upper part of the conical milling cylinder 14 and the upper part of the conical milling member 13 is a material discharge inlet; a material feed port connected to the material discharge inlet is provided on the frame 9; in this embodiment, the lifting member 10 is a cylinder;

[0027] The vibrating screen 1 is located below the opening of the conical grinding cylinder 14; the large end of the conical grinding cylinder 14 faces upward;

[0028] The impurity removal device is installed on the frame 9 of the mill, and the impurity removal device includes a movable mechanism, a vibrating member 2 installed on the movable mechanism, and an air suction pipe 3 installed on the movable mechanism. The movable mechanism is used to drive the vibrating member 2 and the air suction pipe 3 to connect with the vibrating screen 1;

[0029] The movable mechanism includes a connecting frame 4 rotatably connected to a frame 9 in the mill, a first telescopic member 5 for driving the connecting frame 4 to rotate toward the vibrating screen 1 is installed between the connecting frame 4 and the frame 9, two ends of the first telescopic member 5 are rotatably connected to the connecting frame 4 and the frame 9 respectively, and the vibrating member 2 and the suction pipe 3 are both installed on the connecting frame 4;

[0030] An air collecting hood 7 is installed at the end of the suction pipe 3 close to the vibrating screen 1. The air collecting hood 7 is set to cover the top of the vibrating screen 1, so that the suction pipe 3 can suck the unfiltered impurities on the screen of the vibrating screen 1;

[0031] A suction fan connected to the air suction pipe 3 is installed on the frame 9, and suction is carried out by the operation of the suction fan.

[0032] In this embodiment, the vibrating member 2 is a cylinder. After the air collecting hood 7 is connected to the upper end of the vibrating screen 1, the vibrating member 2 vibrates the screen mesh in the vibrating screen 1 to shake out the impurities stuck on the screen mesh, and the impurities leave the vibrating screen 1 under the suction action of the air suction pipe 3.

[0033] Working principle: First, the lifting member 10 drives the conical grinding member 13 to rise and fall to an appropriate height, and the grains are put into the grinding device through the feed port. The driving motor 12 drives the conical grinding member 13 to rotate to grind the grains. The ground grains automatically fall onto the vibrating screen 1. After screening, the filtered grains leave through the outlet, and the unfiltered grains leave through the impurity discharge port. After the grain grinding is completed, the first telescopic member 5 drives the connecting frame 4 to move so that the air collecting hood 7 covers the upper part of the vibrating screen 1. The vibrating member 2 vibrates the screen mesh of the vibrating screen 1, and the suction fan works to generate negative pressure in the air suction pipe 3. The impurities shaken off the screen mesh by the vibrating member 2 leave the screen mesh through the air suction pipe 3 under the action of the negative pressure, and will not affect the next screening.

[0034] Combined with the above, the present application effectively removes the impurities stuck on the screen through the impurity removal device installed on the mill, and the setting of the vibrating member 2 can effectively shake out the impurities stuck on the screen mesh, so that the air suction pipe 3 can suck away the impurities on the screen mesh, avoiding the influence of the stuck impurities on the subsequent screening, and effectively solving the problem of easy blockage in the impurity removal process after the current grain grinding.

[0035] Embodiment 2

[0036] As Figure 1 and Figure 3 shown, the structure of this embodiment is substantially the same as that of Embodiment 1. This embodiment is further optimized on the basis of Embodiment 1. When the impurity removal device performs impurity removal work, since the outlet of the grinding device is located above the vibrating screen 1, in order to avoid the influence of the grinding device on the impurity removal device, a second telescopic member 6 is installed on the connecting frame 4 in this embodiment, and the vibrating member 2 and the air suction pipe 3 are both installed on the telescopic ends of the second telescopic member 6;

[0037] It should be noted that the vibrating member 2 is installed inside the air collecting hood 7;

[0038] The second telescopic member 6 is provided to drive the air suction pipe 3 and the vibrating member 2 to move along the vibrating screen 1, so as to fully cover the screen mesh below the outlet of the grinding device and avoid omission.

[0039] Embodiment 3

[0040] As Figure 2 and Figure 4As shown in the figure, the structure of this embodiment is substantially the same as that of Embodiment 2. This embodiment is further optimized on the basis of Embodiment 2. In this embodiment, in order to facilitate the movement of the air collecting hood 7 driven by the second telescopic member 6, rollers 8 are installed on both sides of the bottom end of the air collecting hood 7. The air collecting hood 7 is connected to the upper end of the vibrating screen 1 through the rollers 8, which can facilitate the movement on the vibrating screen 1 driven by the second telescopic member 6 and will not cause hard contact and damage.

Claims

1. A grain grinding and impurity removal device, characterized in that: The invention comprises a vibrating screen (1) arranged on a mill and a cleaning device arranged on the mill, wherein the cleaning device comprises a movable mechanism, a vibrating member (2) arranged on the movable mechanism and an air suction pipe (3) arranged on the movable mechanism, wherein the movable mechanism is used to drive the vibrating member (2) and the air suction pipe (3) to connect with the vibrating screen (1); the movable mechanism comprises a connecting frame (4) rotatably connected to the mill, a first telescopic member (5) is arranged between the connecting frame (4) and the mill, and two ends of the first telescopic member (5) are respectively rotatably connected to the connecting frame (4) and the mill, and the vibrating member (2) and the air suction pipe (3) are both arranged The connecting frame (4) is provided with a second telescopic member (6), the vibrating member (2) and the air suction pipe (3) are both provided on the telescopic end of the second telescopic member (6); the vibrating member (2) is provided in the air suction pipe (3); an air collecting hood (7) is provided at one end of the air suction pipe (3) close to the vibrating screen (1), and a roller (8) connected to the vibrating screen (1) is provided at the open end of the air collecting hood (7); the grinding machine comprises a frame (9) and a grinding device provided on the frame (9); the connecting frame (4) is rotatably connected to the frame (9), and an exhaust fan connected to the air suction pipe (3) is provided on the frame (9).

2. A grain grinding and impurity removal device according to claim 1, characterized in that: The grinding device comprises a lifting member (10) arranged on the frame (9), a lifting frame (11) arranged on the lifting member (10), a driving motor (12) arranged on the lifting frame (11), a conical grinding member (13) drivingly connected to the driving motor (12), and a conical grinding cylinder (14) arranged on the frame (9), wherein the conical grinding member (13) is located in the conical grinding cylinder (14), the conical grinding member (13) has a taper smaller than the taper of the conical grinding cylinder (14), and the bottom end of the conical grinding cylinder (14) is provided with an opening facing the vibrating screen (1).

3. A grain grinding and impurity removal device according to claim 2, characterized in that: The vibrating member (2) comprises a cylinder.

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