Impurity removal device for wheat flour milling

By designing a wheat flour impurity removal device and using a motor-driven transmission system to drive the filter screen to vibrate, the problems of high labor intensity and low efficiency of existing wheat impurity removal methods are solved, and an efficient and low-cost impurity removal effect is achieved.

CN223352214UActive Publication Date: 2025-09-19QINGDAO TIANXIANG GRP JINXIYAN MILLING CO LTD
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Patent Information

Application Number
CN202421951168.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-09-19
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

Existing wheat impurity removal methods are labor-intensive, cumbersome to operate, and have low impurity removal efficiency, making it difficult to effectively remove impurities of different sizes.

Method used

A wheat flour impurity removal device was designed. The drive shaft was driven by a bidirectional output motor, which drove the cam and sliding block to achieve left-right and up-and-down vibration of the second filter, thereby screening out impurities smaller than wheat. At the same time, the first filter was driven by the sliding rod to vibrate up and down, thereby screening out impurities larger than wheat.

Benefits of technology

The efficiency and effect of wheat weeding are improved, the weeding time is reduced, the labor intensity and cost are reduced, and efficient weeding operations are achieved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wheat impurity removal, and provides an impurity removal device for wheat flour milling, which comprises a fixing frame, a bidirectional output motor is fixedly connected to the fixing frame, a transmission shaft is fixedly connected to the output end of the bidirectional output motor, and a first belt pulley is fixedly connected to the transmission shaft. And the first belt pulley is in engaged connection with a conveying belt. According to the wheat impurity screening device, under up-down vibration and left-right vibration of a second filter screen, impurities smaller than wheat fall on an impurity outlet plate and slide into an impurity storage box, small impurities in wheat are screened, the output end of a bidirectional output motor drives two sets of transmission shafts to rotate, and a sliding block moves to drive the second filter screen to move left and right; the transmission shaft rotates to drive the rotating disc to rotate and the second filter screen to vibrate up and down, left-right vibration and up-down vibration of the second filter screen are finally achieved, the vibration effect is good, the wheat impurity removal effect is improved, the impurity removal time is saved, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of wheat impurity removal, in particular to an impurity removal device for wheat flour making. Background Art

[0002] During the harvesting and drying process of wheat, dust and impurities will be mixed in with the wheat, which will contaminate the wheat. The wheat needs to be cleaned before it is floured.

[0003] The existing method of wheat impurity removal is mainly to filter and screen the wheat by manually shaking the screen to remove impurities on the wheat. Manual shaking is labor-intensive and cumbersome to operate, and the arms are easily fatigued, which affects the efficiency of wheat impurity removal. At the same time, multiple operations are required for impurities of different sizes in the wheat, further reducing the impurity removal efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an impurity removal device for wheat flour milling.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a wheat flour impurity removal device, comprising a fixed frame, a bidirectional output motor is fixedly connected to the fixed frame, the output end of the bidirectional output motor is fixedly connected to a transmission shaft, the transmission shaft is fixedly connected to a first pulley, the first pulley is meshedly connected to a transmission belt, the end of the transmission belt away from the first pulley is meshedly connected to a second pulley, the second pulley is fixedly connected to a cam, the cam is rotatably connected to the fixed frame, the cam is slidably connected to a sliding block, the sliding block is slidably connected to the fixed frame, and the end of the sliding block away from the cam is fixedly connected to the first The cam is fixedly mounted on the support frame, and the cam is connected to the first support frame by a movable frame. The cam is fixedly mounted on the support frame, and the cam is connected to the support frame by a movable frame.

[0006] As a further description of the above technical solution:

[0007] The end of the sliding rod away from the hollow block is hingedly connected to the first filter screen, the upper end of the sliding rod is fixedly connected to the third sliding shaft, the third sliding shaft passes through and is slidably connected to the second fixed plate, the second fixed plate is fixedly connected to the fixed frame, the second fixed plate is fixedly connected to the second spring, and the end of the second spring away from the second fixed plate is fixedly connected to the sliding rod, the third sliding shaft, the second fixed plate, and the second spring are provided in four groups, and two groups of the third sliding shaft are hinged to the first filter screen.

[0008] As a further description of the above technical solution:

[0009] The left end of the first filter is slidably connected to the fixing frame.

[0010] As a further description of the above technical solution:

[0011] One end of the second filter is fixedly connected to a first tension spring, and the end of the first tension spring away from the second filter is fixedly connected to the fixing frame. The end of the second filter away from the first tension spring is fixedly connected to a second tension spring, and the second tension spring is fixedly connected to the fixing frame.

[0012] As a further description of the above technical solution:

[0013] The fixed frame is fixedly connected with a debris discharge plate, and the debris discharge plate is located below the second filter screen.

[0014] As a further description of the above technical solution:

[0015] The fixing frame is provided with a material discharge trough, a sundry storage box is provided on one side of the fixing frame, and a wheat storage box is provided on a side of the fixing frame away from the sundry storage box.

[0016] As a further description of the above technical solution:

[0017] The transmission shaft, the first pulley, the rotating disk and the sliding rod are provided in two groups, and the two groups of transmission shafts are distributed on both sides of the bidirectional output motor.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, under the up and down vibration and left and right vibration of the second filter screen, impurities smaller than wheat fall onto the impurity discharge plate and slide into the impurity storage box, thereby screening out smaller impurities in the wheat. The output end of the two-way output motor drives the two sets of transmission shafts to rotate, the rotation of the cam drives the sliding block to move, the movement of the sliding block drives the second filter screen to move left and right, the rotation of the transmission shaft drives the rotating disk to rotate, the movement of the sliding wheel drives the second filter screen to rotate, and the second filter screen is realized under the action of the second tension spring. The second filter screen falls back and vibrates up and down, finally realizing the left and right vibration and up and down vibration of the second filter screen, with good vibration effect, thereby improving the effect of wheat impurity removal, saving impurity removal time, and improving work efficiency.

[0020] 2. In the utility model, under the up and down vibration of the first filter screen, impurities larger than wheat in the wheat are preliminarily screened, and the impurities slide from the first filter screen into the storage box. The movement of the slide rod drives the first filter screen to vibrate up and down, thereby realizing the preliminary screening of the wheat, facilitating subsequent processing, reducing the number of output motors, reducing costs, and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of a wheat flour impurity removal device proposed in the utility model;

[0022] Figure 2 This is a partial structural diagram of a wheat flour impurity removal device proposed in this utility model. Figure 1 ;

[0023] Figure 3 This is a partial structural diagram of a wheat flour impurity removal device proposed in this utility model. Figure 2 ;

[0024] Figure 4 This is a partial structural diagram of a wheat flour impurity removal device proposed in this utility model. Figure 3 .

[0025] Legend:

[0026] 1. Fixed frame; 2. Bidirectional output motor; 3. Drive shaft; 4. First pulley; 5. Conveyor belt; 6. Second pulley; 7. Cam; 8. Sliding block; 9. First slide shaft; 10. First fixed plate; 11. First spring; 12. Rotating disk; 13. Second slide shaft; 14. Hollow block; 15. Sliding rod; 16. Connecting block; 17. Sliding wheel; 18. Second filter; 19. First filter; 20. Third slide shaft; 21. Second fixed plate; 22. Second spring; 23. First tension spring; 24. Second tension spring; 25. Discharge plate; 26. Discharge trough; 27. Storage box; 28. Wheat storage box. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Reference Figures 1-4 The present invention provides an embodiment of a wheat flour impurity removal device, comprising a fixed frame 1, the fixed frame 1 is fixedly connected to a bidirectional output motor 2, the output end of the bidirectional output motor 2 is fixedly connected to a transmission shaft 3, the transmission shaft 3 is fixedly connected to a first pulley 4, the first pulley 4 is meshed with a transmission belt 5, the end of the transmission belt 5 away from the first pulley 4 is meshed with a second pulley 6, the second pulley 6 is fixedly connected to a cam 7, the cam 7 is rotatably connected to the fixed frame 1, the cam 7 is slidably connected to a sliding block 8, the sliding block 8 is slidably connected to the fixed frame 1, the end of the sliding block 8 away from the cam 7 is fixedly connected to a first sliding shaft 9, the first sliding shaft 9 passes through and is slidably connected to a first fixed plate 10, the first fixed plate 10 is fixedly connected to the fixed frame 1, one end of the first fixed plate 10 is fixedly connected to a first spring 11, the end of the first spring 11 away from the first fixed plate 10 is fixedly connected to the sliding block 8, a rotating disk 12 is fixedly connected to the transmission shaft 3, the rotating disk 12 is eccentrically connected to a second sliding shaft 13, the second sliding shaft 13 is slidably connected to A hollow block 14 is connected, and a slide rod 15 is fixedly connected to the slide rod 15, which is slidably connected to the fixed frame 1. One end of the slide rod 15 is fixedly connected to the connecting block 16, and the connecting block 16 is provided with a sliding wheel 17. The upper end of the sliding block 8 is hinged with a second filter screen 18, and the sliding wheel 17 is slidably connected to the second filter screen 18. Under the up and down vibration and left and right vibration of the second filter screen 18, impurities smaller than wheat fall onto the impurity discharge plate 25 and slide into the impurity storage box 27, screening the smaller impurities in the wheat, and passing through the output end of the bidirectional output motor 2. Drive the two sets of transmission shafts 3 to rotate, the rotation of the cam 7 drives the sliding block 8 to move, the movement of the sliding block 8 drives the second filter screen 18 to move left and right, the rotation of the transmission shaft 3 drives the rotating disk 12 to rotate, the movement of the sliding wheel 17 drives the second filter screen 18 to rotate, and under the action of the second tension spring 24, the second filter screen 18 falls back, and the second filter screen 18 vibrates up and down, finally realizing the left and right vibration and up and down vibration of the second filter screen 18, which has a good vibration effect, improves the effect of wheat impurity removal, saves impurity removal time, and improves work efficiency.

[0029] One end of the slide rod 15 away from the hollow block 14 is hinged with the first filter screen 19, the upper end of the slide rod 15 is fixedly connected to the third slide shaft 20, the third slide shaft 20 passes through and is slidably connected to the second fixed plate 21, the second fixed plate 21 is fixedly connected to the fixed frame 1, the second fixed plate 21 is fixedly connected to the second spring 22, and the end of the second spring 22 away from the second fixed plate 21 is fixedly connected to the slide rod 15. The third slide shaft 20, the second fixed plate 21, and the second spring 22 are provided with four groups, and two groups of third slide shafts 20 are hinged on the first filter screen 19. The left end of the first filter screen 19 is slidably connected to the fixed frame 1, and one end of the second filter screen 18 is fixedly connected to the first tension spring 23. The end of the first tension spring 23 away from the second filter screen 18 is fixedly connected to the fixed frame 1, and the end of the second filter screen 18 away from the first tension spring 23 is fixedly connected There is a second tension spring 24, which is fixedly connected to the fixed frame 1. A debris discharge plate 25 is fixedly connected to the fixed frame 1. The debris discharge plate 25 is located below the second filter screen 18. A material discharge trough 26 is provided on the fixed frame 1, and a debris storage box 27 is provided on one side of the fixed frame 1. A wheat storage box 28 is provided on the side of the fixed frame 1 away from the debris storage box 27. There are two groups of transmission shafts 3, first pulleys 4, rotating disks 12, and slide rods 15. The two groups of transmission shafts 3 are distributed on both sides of the bidirectional output motor 2. Under the up and down vibration of the first filter screen 19, impurities larger than wheat in the wheat are preliminarily screened, and the impurities slide from the first filter screen 19 into the debris storage box 27. The first filter screen 19 is driven to vibrate up and down by the movement of the slide rod 15, thereby realizing the preliminary screening of wheat, facilitating subsequent processing, reducing the number of output motors, reducing costs, and having strong practicality.

[0030] Working principle: Wheat needs to be cleaned before flour milling. First, the wheat is poured into the discharge trough 26, and then the bidirectional output motor 2 is started. The output end of the bidirectional output motor 2 drives the two sets of transmission shafts 3 to rotate. The rotation of the transmission shaft 3 drives the first pulley 4 to rotate. The rotation of the first pulley 4 drives the transmission belt 5 to rotate. The rotation of the transmission belt 5 drives the second pulley 6 to rotate. The rotation of the second pulley 6 drives the cam 7 to rotate. The rotation of the cam 7 drives the sliding block 8 to move. Under the push and reset of the first spring 11, the sliding block 8 moves back and forth. The movement of the sliding block 8 drives the second filter screen 18 to move left and right, driving the second filter screen 18 to vibrate. At the same time, the rotation of the transmission shaft 3 drives the rotating disk 12 to rotate. The rotation of the rotating disk 12 drives the second sliding shaft 13 to rotate. The rotation of the second sliding shaft 13 drives the hollow block 14 to reciprocate up and down. The movement of the hollow block 14 drives the slide rod 15 to move. The movement of the slide rod 15 drives the connecting block 16 to move. The movement of the connecting block 16 drives the sliding wheel 1 The wheat after screening slides into the wheat storage box 27, so as to facilitate subsequent flour milling processing, reduce the number of output motors, reduce the cost, and have strong practicality.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wheat flour impurity removal device, comprising a fixed frame (1), characterized in that: The fixed frame (1) is fixedly connected with a bidirectional output motor (2), the output end of the bidirectional output motor (2) is fixedly connected with a transmission shaft (3), the transmission shaft (3) is fixedly connected with a first pulley (4), the first pulley (4) is meshed with a transmission belt (5), the end of the transmission belt (5) away from the first pulley (4) is meshed with a second pulley (6), the second pulley (6) is fixedly connected with a cam (7), the cam (7) is rotatably connected to the fixed frame (1), the cam (7) is slidably connected with a sliding block (8), the sliding block (8) is slidably connected to the fixed frame (1), the end of the sliding block (8) away from the cam (7) is fixedly connected with a first sliding shaft (9), the first sliding shaft (9) penetrates and is slidably connected with a first fixed plate (10), the first fixed plate ( 10) is fixedly connected to the fixed frame (1), one end of the first fixed plate (10) is fixedly connected to the first spring (11), one end of the first spring (11) away from the first fixed plate (10) is fixedly connected to the sliding block (8), the transmission shaft (3) is fixedly connected to a rotating disk (12), the rotating disk (12) is eccentrically connected to a second sliding shaft (13), the second sliding shaft (13) is slidably connected to a hollow block (14), the fixed connection is provided with a sliding rod (15), the sliding rod (15) is slidably connected to the fixed frame (1), one end of the sliding rod (15) is fixedly connected to a connecting block (16), the connecting block (16) is provided with a sliding wheel (17), the upper end of the sliding block (8) is hinged with a second filter screen (18), and the sliding wheel (17) is slidably connected to the second filter screen (18).

2. The wheat flour impurity removal device according to claim 1, characterized in that: The end of the slide rod (15) away from the hollow block (14) is hinged with the first filter screen (19), the upper end of the slide rod (15) is fixedly connected with the third slide shaft (20), the third slide shaft (20) is slidably connected with the second fixed plate (21), the second fixed plate (21) is fixedly connected to the fixed frame (1), the second fixed plate (21) is fixedly connected with the second spring (22), the end of the second spring (22) away from the second fixed plate (21) is fixedly connected to the slide rod (15), the third slide shaft (20), the second fixed plate (21) and the second spring (22) are provided with four groups, two groups of the third slide shaft (20) are hinged to the first filter screen (19).

3. The wheat flour impurity removal device according to claim 2, characterized in that: The left end of the first filter screen (19) is slidably connected to the fixing frame (1).

4. The wheat flour impurity removal device according to claim 1, characterized in that: One end of the second filter screen (18) is fixedly connected to a first tension spring (23), and one end of the first tension spring (23) away from the second filter screen (18) is fixedly connected to the fixing frame (1); one end of the second filter screen (18) away from the first tension spring (23) is fixedly connected to a second tension spring (24), and the second tension spring (24) is fixedly connected to the fixing frame (1).

5. The wheat flour impurity removal device according to claim 1, characterized in that: A debris discharge plate (25) is fixedly connected to the fixed frame (1), and the debris discharge plate (25) is located below the second filter screen (18).

6. The wheat flour impurity removal device according to claim 1, characterized in that: The fixed frame (1) is provided with a material discharge trough (26), a sundry storage box (27) is provided on one side of the fixed frame (1), and a wheat storage box (28) is provided on the side of the fixed frame (1) away from the sundry storage box (27).

7. The wheat flour impurity removal device according to claim 1, characterized in that: The transmission shaft (3), the first pulley (4), the rotating disk (12), and the sliding rod (15) are provided in two groups, and the two groups of the transmission shaft (3) are distributed on both sides of the bidirectional output motor (2).