Dust removal device for rice processing

Abstract

The utility model relates to the technical field of rice processing, in particular to a dust removal device for rice processing, which comprises a support frame, a dust removal bin and a dust collection box are fixedly mounted in the support frame, and the dust removal bin is communicated with the dust collection box through an exhaust device. A drum screen for removing dust and a screen plate for removing rice impurities are arranged in the dust removal bin; wherein a driving assembly is arranged at the top of the supporting frame, the driving assembly is used for driving the drum screen and the screen plate, the drum screen and the cam can be driven to rotate at the same time through the motor, so that the drum screen is conveniently driven to conduct dust removal on rice, meanwhile, the rice can be sieved in a mode of shaking the screen plate, and the efficiency is improved. Soil blocks or branches in the rice are prevented from being mixed together, the influence on the quality of the rice is avoided, on one hand, screen holes of the drum screen can be cleaned through a brush plate to prevent blockage, and on the other hand, the brush plate can be replaced through a fixing part to avoid the influence on normal use.

Description

Technical Field

[0001] The utility model relates to the technical field of rice processing, in particular to a dust removal device for rice processing. Background Art

[0002] During the processing of rice, it needs to go through a dust removal process to remove the dust inside it.

[0003] In order to speed up the efficiency of rice processing, it is necessary to use a dust removal device for rice processing. For example, the prior art Chinese patent announcement number "CN214555090U" discloses a dust removal device for rice processing, which is characterized by: including a dust removal bin body, an inclined screen barrel is provided inside the dust removal bin body, both ends of the screen barrel are rotatably connected to the dust removal bin body, the end of the dust removal bin body is connected to a driving motor, a feed port at one end of the dust removal bin body is connected to the internal screen barrel, and a discharge port at the other end of the dust removal bin body is connected to the internal screen barrel, and an ash drop groove is provided at the bottom of the dust removal bin body, and the ash drop groove is connected to the ash collection box through an ash suction fan. The screen barrel dust removal structure has a high dust removal efficiency, which prevents large particles of dust and sand from being discharged with the rice, so that the dust and sand in the rice can be removed more cleanly.

[0004] In actual operation, the rice is dusted by a drum screen in conjunction with an exhaust fan. However, due to the lack of cleaning measures, the sieve holes on the surface of the drum screen may be clogged with dust after long-term use, and the rice cannot be screened during the dust removal process. Possible soil blocks and branches in the rice cannot be removed, affecting the rice processing efficiency. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art that the screen holes of the drum screen may be blocked and the rice cannot be screened, and a dust removal device for rice processing is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A dust removal device for rice processing is designed, comprising a support frame, a dust removal bin and a dust collection box are fixedly installed in the support frame, the dust removal bin and the dust collection box are connected through an exhaust device, and a drum screen for dust removal and a sieve plate for removing rice impurities are arranged in the dust removal bin;

[0008] Wherein, a driving assembly is provided on the top of the support frame, and the driving assembly is used to drive the drum screen and the screen plate.

[0009] Furthermore, a support rod is rotatably connected in the dust removal bin, and the drum screen is provided with spiral blades on the inner wall, and both ends thereof are fixedly connected to the support rod through a support frame.

[0010] Furthermore, a cover plate is hinged on the side of the dust removal bin, and a brush plate is detachably connected to the inner side of the cover plate through a fixing member, and the brush plate abuts against the outer wall of the drum screen.

[0011] Furthermore, the driving assembly includes a motor fixedly mounted on the top of the support frame, a double-layer pulley is fixedly mounted on the shaft end of the motor, one end of the support rod extends to the periphery of the dust removal bin and is fixedly mounted with a first pulley, and a first transmission belt is sleeved between the double-layer pulley and the first pulley.

[0012] Furthermore, the sieve plate is arranged below the drum screen and is slidably connected to the inner wall of the dust removal bin through a guide column. A baffle is provided at the bottom of the guide column, and a spring is provided on its outer sleeve. Both ends of the spring are fixedly connected to the baffle and the side of the sieve plate respectively.

[0013] Furthermore, a cam is rotatably connected to the side of the dust removal bin via a round rod, and the cam abuts against the screen plate.

[0014] Furthermore, the driving assembly also includes a second pulley and a second transmission belt. The second pulley is fixedly connected to the round rod, and the second transmission belt is sleeved between the second pulley and the double-layer pulley.

[0015] The utility model provides a dust removal device for rice processing, which has the beneficial effects that: the utility model can drive the drum screen and the cam to rotate at the same time through a motor, so as to drive the drum screen to remove dust from the rice, and can also sieve the rice by shaking the screen plate to prevent soil blocks or branches in the rice from mixing in and thus avoid affecting the quality of the rice, and the brush plate can be used to clean the screen holes of the drum screen to prevent blockage, and can also be replaced through a fixing part to avoid affecting normal use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 for Figure 3 A schematic diagram of the enlarged structure of area A;

[0019] Figure 4 It is a structural schematic diagram of the drive assembly of the utility model;

[0020] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of area B;

[0021] Figure 6 for Figure 4Schematic diagram of the enlarged structure of region C.

[0022] In the figure: 1. support frame; 2. dust removal bin; 21. support rod; 22. cover plate; 23. brush plate; 24. positioning glass beads; 3. dust collecting box; 4. exhaust device; 5. drum screen; 51. support frame; 6. sieve plate; 61. guide column; 62. spring; 63. round rod; 64. cam; 7. drive assembly; 71. motor; 72. double-layer pulley; 73. first pulley; 74. first transmission belt; 75. second pulley; 76. second transmission belt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-6 A dust removal device for rice processing, comprising a support frame 1, a dust removal bin 2 and a dust collecting box 3 are fixedly installed in the support frame 1, the dust removal bin 2 and the dust collecting box 3 are connected through an exhaust device 4, and a drum screen 5 for dust removal and a sieve plate 6 for removing rice impurities are arranged in the dust removal bin 2;

[0025] Wherein, a driving assembly 7 is provided on the top of the support frame 1 , and the driving assembly 7 is used to drive the drum screen 5 and the screen plate 6 .

[0026] It should be supplemented that the exhaust device 4 includes an exhaust fan, which is fixedly mounted on the top of the dust box 3 and communicated with the dust box 3, and the dust box 3 and the dust removal bin 2 are communicated through an exhaust pipe;

[0027] Specifically, a cover plate is hinged on the side of the dust collecting box 3, and the cover plate is opened and closed to clean the dust.

[0028] Specifically, a support rod 21 is rotatably connected in the dust removal bin 2 , and the drum screen 5 is provided with spiral blades on the inner wall, and both ends thereof are fixedly connected to the support rod 21 via a support frame 51 .

[0029] It should be supplemented that a feed hopper is connected to the end of the dust removal bin 2 away from the motor 71, and the feed hopper corresponds to the opening at one end of the drum screen 5. A gap is left between the other end of the drum screen 5 and the dust removal bin 2, and the rice is transported to the screen plate 6 through the gap under the action of the spiral blade.

[0030] Furthermore, a cover plate 22 is hinged on the side of the dust removal bin 2 , and a brush plate 23 is detachably connected to the inner side of the cover plate 22 through a fixing member, and the brush plate 23 abuts against the outer wall of the drum screen 5 .

[0031] It is worth mentioning that the fixing part includes a sliding seat provided on the inner side of the cover plate 22, and the brush plate 23 is slidably connected to the sliding seat through a guide groove. A positioning glass bead 24 is embedded in the open end of the guide groove, and the positioning glass bead 24 is engaged with the brush plate 23.

[0032] In more detail, the driving assembly 7 includes a motor 71 fixedly mounted on the top of the support frame 1, a double-layer pulley 72 is fixedly mounted on the shaft end of the motor 71, one end of the support rod 21 extends to the periphery of the dust removal bin 2 and is fixedly mounted with a first pulley 73, and a first transmission belt 74 is sleeved between the double-layer pulley 72 and the first pulley 73.

[0033] In general, the sieve plate 6 is arranged below the drum screen 5 and is slidably connected to the inner wall of the dust removal bin 2 through a guide column 61. A baffle is provided at the bottom of the guide column 61, and a spring 62 is provided on its outer sleeve. The two ends of the spring 62 are fixedly connected to the baffle and the side of the sieve plate 6 respectively.

[0034] In other words, the side of the dust removal bin 2 is rotatably connected to a cam 64 via a round rod 63, and the cam 64 abuts against the sieve plate 6.

[0035] Finally, the driving assembly 7 further includes a second pulley 75 and a second transmission belt 76 . The second pulley 75 is fixedly connected to the round rod 63 , and the second transmission belt 76 is sleeved between the second pulley 75 and the double-layer pulley 72 .

[0036] In specific operation, a discharge chute is connected to one side of the bottom of the dust removal bin 2, and the motor 71 drives the support rod 21 and the round rod 63 to rotate simultaneously through the double-layer pulley 72 and a pair of transmission belts. The upper drum screen 5 drives the rice to shake in cooperation with the exhaust device for dust removal, and then uses the spiral blades to transport the rice to the screen plate 6;

[0037] At the same time, the round rod 63 drives the cam 64 to indirectly reciprocate against the sieve plate 6, and the sieve plate 6 moves up and down in cooperation with the guide column 61 under the support of the spring 62 to sieve the rice.

[0038] Working mode: When working, rice is put into the drum screen 5 from the feeding hopper, and the motor 71 drives the support rod 21 and the round rod 63 to rotate through the double-layer pulley 72 and a pair of transmission belts. The support rod 21 drives the drum screen 5 to rotate and cooperate with the exhaust device 4 to remove dust. When the drum screen 5 rotates, it is resisted by the brush plate 23 to prevent the screen hole from being blocked;

[0039] At the same time, the round rod 63 drives the cam 64 to indirectly reciprocate against the sieve plate 6. The sieve plate 6 moves up and down with the support of the spring 62 and the guide column 61 to sieve the rice. After passing through the sieve plate 6, the rice is discharged from the discharge chute.

[0040] The dust in the dust collecting box 3 can be cleaned by opening and closing the cover plate, and the components in the dust removal bin 2 and the impurities on the sieve plate can be maintained and cleaned through the cover plate 22.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dust removal device for rice processing, comprising a support frame (1), characterized in that: A dust removal bin (2) and a dust collection box (3) are fixedly installed in the support frame (1); the dust removal bin (2) and the dust collection box (3) are connected via an exhaust device (4); a drum screen (5) for dust removal and a sieve plate (6) for removing rice impurities are provided in the dust removal bin (2); Wherein, a driving assembly (7) is provided on the top of the support frame (1), and the driving assembly (7) is used to drive the drum screen (5) and the screen plate (6).

2. A dust removal device for rice processing according to claim 1, characterized in that: A support rod (21) is rotatably connected inside the dust removal bin (2), and the drum screen (5) is provided with spiral blades on the inner wall, and its two ends are fixedly connected to the support rod (21) via a support frame (51).

3. A dust removal device for rice processing according to claim 1, characterized in that: A cover plate (22) is hingedly connected to the side of the dust removal bin (2), and a brush plate (23) is detachably connected to the inner side of the cover plate (22) via a fixing member, and the brush plate (23) contacts the outer wall of the drum screen (5).

4. A dust removal device for rice processing according to claim 2, characterized in that: The driving assembly (7) comprises a motor (71) fixedly mounted on the top of the support frame (1), a double-layer pulley (72) being fixedly mounted on the shaft end of the motor (71), one end of the support rod (21) extending to the periphery of the dust removal bin (2) and fixedly mounted with a first pulley (73), and a first transmission belt (74) being sleeved between the double-layer pulley (72) and the first pulley (73).

5. A dust removal device for rice processing according to claim 4, characterized in that: The sieve plate (6) is arranged below the drum screen (5) and is slidably connected to the inner wall of the dust removal bin (2) via a guide column (61); a baffle is provided at the bottom of the guide column (61) and a spring (62) is provided on its outer periphery; two ends of the spring (62) are respectively fixedly connected to the baffle and the side of the sieve plate (6).

6. A dust removal device for rice processing according to claim 5, characterized in that: The side of the dust removal bin (2) is rotatably connected to a cam (64) via a round rod (63), and the cam (64) abuts against the screen plate (6).

7. A dust removal device for rice processing according to claim 6, characterized in that: The driving assembly (7) further comprises a second pulley (75) and a second transmission belt (76); the second pulley (75) is fixedly connected to the round rod (63), and the second transmission belt (76) is sleeved between the second pulley (75) and the double-layer pulley (72).

Images