Red date grading and screening device

Abstract

The utility model discloses a red date grading screening device which comprises a drum-type screening mechanism, the rear side of the drum-type screening mechanism is fixedly connected with a washing anti-blocking mechanism, the bottom of the front side of the drum-type screening mechanism is fixedly connected with a collecting mechanism, and the drum-type screening mechanism comprises a screening machine body. A rotating rod is rotationally connected into the screening machine body, and a screening cylinder arranged on the surface of the rotating rod in a sleeving mode is arranged in an inner cavity of the screening machine body. The washing anti-blocking mechanism comprises a mounting table fixedly mounted at the top of the screening machine body, the top of the mounting table is rotationally connected with a plurality of water outlet pipes, and the bottoms of the water outlet pipes communicate with sprayers. The red date grading and screening device has the advantages of cleaning and blocking prevention, and the problems that when an existing red date grading and screening device screens red dates with different sizes, it is inconvenient to prevent a screening structure from being blocked by small red dates, the screening efficiency is likely to be reduced, the red dates are difficult to pre-clean, and subsequent processing of the red dates is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of red date processing, in particular to a red date grading and screening device. Background Art

[0002] A red date grading and screening device is a mechanical device specifically designed for grading and screening red dates. This equipment is commonly used in the agricultural product processing industry to separate dates of varying size, shape, color, or quality for sale or processing for different purposes. The reason for screening dates of varying sizes is that different sizes are suitable for different processing applications. For example, larger dates are suitable for direct consumption or as individual items in gift boxes, while smaller ones may be more suitable for food processing, such as making date paste or dried fruit. Furthermore, for dates requiring further processing, consistent size ensures quality control during processing.

[0003] When screening red dates of different sizes, the existing red date grading and screening device is not convenient for using water flow to prevent the screening structure from being blocked by smaller red dates, which easily leads to a decrease in screening efficiency. It is also difficult to pre-clean the red dates, affecting the subsequent processing of the red dates. Utility Model Content

[0004] The purpose of the utility model is to provide a red date grading and screening device with the advantages of cleaning and anti-blocking, which solves the problem that the existing red date grading and screening device is not convenient for preventing the screening structure from being blocked by smaller red dates when screening red dates of different sizes, which easily leads to a decrease in screening efficiency, and it is difficult to pre-clean the red dates, affecting the subsequent processing of the red dates.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a red date grading and screening device, comprising a drum-type screening mechanism, a flushing and anti-blocking mechanism fixedly connected to the rear side of the drum-type screening mechanism, and a collecting mechanism fixedly connected to the bottom of the front side of the drum-type screening mechanism.

[0006] The drum-type screening mechanism comprises a screening machine body, wherein a rotating rod is rotatably connected to the inside of the screening machine body, and a screening cylinder is provided in the inner cavity of the screening machine body and is sleeved on the surface of the rotating rod;

[0007] The flushing and anti-blocking mechanism includes a mounting platform fixedly mounted on the top of the screening machine body, the top of the mounting platform is rotatably connected to a plurality of water outlet pipes, the bottom of the water outlet pipe is connected to a nozzle, a gear is fixedly sleeved on the rear side of the surface of the water outlet pipe, an incomplete rack is meshed with the bottom of the gear, the incomplete rack is slidably connected to the top of the mounting platform, a fixing member is fixedly connected to the rear side of the mounting platform, a hydraulic cylinder is fixedly connected to one side of the fixing member, a sliding member is fixedly connected to the piston rod of the hydraulic cylinder, and the front side of the sliding member is fixedly connected to the rear side of the incomplete rack;

[0008] The collecting mechanism comprises a collecting frame fixedly mounted on the front side of the screening machine body.

[0009] As a preferred red date grading and screening device of the present invention, a plurality of support wheels are installed on both the front and rear sides of the inner wall of the screening machine body, and the surface of the support wheels is movably connected to the surface of the screening drum.

[0010] As a preferred red date grading and screening device of the present invention, a plurality of first discharge hoppers connected to the bottom of the screening machine body are installed, and a second discharge hopper is fixedly connected to the left side of the screening machine body.

[0011] As a preferred red date grading and screening device of the present invention, the bottom of the screening machine body is also fixedly connected to a base.

[0012] As a preferred red date grading and screening device of the present invention, a connecting rod is fixedly connected to the surface of the rotating rod, the connecting rod is fixedly connected to the inner wall of the screening cylinder, and the inner wall of the screening cylinder is fixedly connected to a spiral blade.

[0013] As a preferred red date grading and screening device of the present invention, a reduction motor is fixedly connected to the top rear side of the screening machine body, the reduction motor output shaft fixing sleeve is provided with a driving pulley, the left end fixing sleeve of the rotating rod is provided with a driven pulley, and the surfaces of the driving pulley and the driven pulley are connected by belts for transmission.

[0014] As a preferred red date grading and screening device of the present invention, the rear end of the water outlet pipe is connected to a hose, the bottom of the hose is connected to a connecting pipe, the liquid inlet end of the connecting pipe is connected to a water pump, the bottom of the water pump is fixedly connected to a support platform, and the support platform is fixedly connected to the top of the screening machine body.

[0015] As a preferred red date grading and screening device of the present invention, the inner wall of the collecting frame is fixedly installed with a mounting frame by bolts, the inner wall of the mounting frame is fixedly connected with a filter screen, and the right bottom of the collecting frame is connected to a sewage pipe.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. The utility model can spray water into the inside of the screening cylinder through the nozzle installed at the bottom of the water outlet pipe. The water flow can help wash away impurities on the surface of red dates and prevent the red dates from being stuck between the sieve holes due to adhering impurities, thereby reducing the possibility of blockage. The water outlet pipe can swing through the gear and the incomplete rack. The swinging nozzle can cover the inside of the screening cylinder more comprehensively, ensuring that each position can be effectively washed.

[0018] 2. The utility model can periodically drive the incomplete rack to move through the telescopic action of the hydraulic cylinder, thereby causing the nozzle on the water outlet pipe to swing. This periodic swing can effectively prevent the red dates inside the screening cylinder from being blocked due to long-term stillness. The water flow sprayed by the nozzle can not only help to rinse the red dates inside the screening cylinder, but also remove dust, impurities or other pollutants on the surface of the red dates, preparing for subsequent processing. Since the nozzle swings periodically, the action frequency of the hydraulic cylinder can be adjusted according to actual needs to adapt to the cleaning needs of different batches of red dates, which helps to ensure that the red dates reach an ideal level of cleanliness before entering the screening cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the main axonometric drawing of the utility model;

[0020] Figure 2 This is a top-view sectional axonometric drawing of the drum-type screening machine of the utility model;

[0021] Figure 3 This is the main axonometric drawing of the flushing and anti-blocking mechanism of the utility model;

[0022] Figure 4 This is a rear axonometric view of the flushing and anti-blocking mechanism of the utility model;

[0023] Figure 5 This is an exploded view of the main view of the collection mechanism of the utility model.

[0024] In the figure: 1. Drum screening mechanism; 101. Screening machine body; 102. Base; 103. First discharge hopper; 104. Second discharge hopper; 105. Driven pulley; 106. Belt; 107. Driving pulley; 108. Reducer motor; 109. Connecting rod; 110. Screening drum; 111. Spiral blade; 112. Rotating rod; 113. Support wheel; 2. Flushing and anti-blocking mechanism; 201. Mounting platform; 202. Water outlet pipe; 203. Gear; 204. Hose; 205. Hydraulic cylinder; 206. Incomplete rack; 207. Connecting pipe; 208. Water pump; 209. Support platform; 210. Sprinkler; 211. Fixing member; 212. Sliding member; 3. Collecting mechanism; 301. Collecting frame; 302. Mounting frame; 303. Drain pipe; 304. Filter. DETAILED DESCRIPTION

[0025] See also Figure 1-Figure 5 A red date grading and screening device comprises a drum screening mechanism 1, a flushing and anti-blocking mechanism 2 is fixedly connected to the rear side of the drum screening mechanism 1, and a collecting mechanism 3 is fixedly connected to the bottom of the front side of the drum screening mechanism 1.

[0026] Furthermore, the drum-type screening mechanism 1 includes a screening machine body 101 , wherein a rotating rod 112 is rotatably connected to the interior of the screening machine body 101 , and a screening drum 110 sleeved on the surface of the rotating rod 112 is provided in the inner cavity of the screening machine body 101 .

[0027] Furthermore, a plurality of support wheels 113 are installed on both the front and rear sides of the inner wall of the screening machine body 101. The surfaces of the support wheels 113 are movably connected to the surface of the screening drum 110 to firmly support the rotating screening drum 110 and prevent it from shaking.

[0028] Furthermore, a plurality of first discharge hoppers 103 in communication with the screening machine body 101 are installed at the bottom thereof, and a second discharge hopper 104 is fixedly connected to the left side of the screening machine body 101 .

[0029] Furthermore, a base 102 is fixedly connected to the bottom of the screening machine body 101 .

[0030] Furthermore, a connecting rod 109 is fixedly connected to the surface of the rotating rod 112 , the connecting rod 109 is fixedly connected to the inner wall of the screening cylinder 110 , and a spiral blade 111 is fixedly connected to the inner wall of the screening cylinder 110 .

[0031] Furthermore, a reduction motor 108 is fixedly connected to the top rear side of the screening machine body 101, a driving pulley 107 is provided on the output shaft fixing sleeve of the reduction motor 108, a driven pulley 105 is provided on the left end fixing sleeve of the rotating rod 112, and a belt 106 is connected to the surface of the driving pulley 107 and the driven pulley 105 for transmission.

[0032] Furthermore, the flushing and anti-blocking mechanism 2 includes a mounting platform 201 fixedly mounted on the top of the screening machine body 101, and a plurality of water outlet pipes 202 are rotatably connected to the top of the mounting platform 201. The bottom of the water outlet pipe 202 is connected to a nozzle 210, and a gear 203 is fixedly sleeved on the rear side of the surface of the water outlet pipe 202. An incomplete rack 206 is engaged with the bottom of the gear 203, and the incomplete rack 206 is slidably connected to the top of the mounting platform 201. A fixing part 211 is fixedly connected to the rear side of the mounting platform 201, and a hydraulic cylinder 205 is fixedly connected to one side of the fixing part 211. The piston rod of the hydraulic cylinder 205 is fixedly connected to a sliding part 212, and the front side of the sliding part 212 is fixedly connected to the rear side of the incomplete rack 206.

[0033] Furthermore, the rear end of the water outlet pipe 202 is connected to a hose 204, the bottom of the hose 204 is connected to a connecting pipe 207, the liquid inlet end of the connecting pipe 207 is connected to a water pump 208, the bottom of the water pump 208 is fixedly connected to a support platform 209, and the support platform 209 is fixedly connected to the top of the screening machine body 101.

[0034] Furthermore, the collecting mechanism 3 includes a collecting frame 301 fixedly mounted on the front side of the screening machine body 101 .

[0035] Furthermore, a mounting frame 302 is fixedly installed on the inner wall of the collection frame 301 by bolts, a filter screen 304 is fixedly connected to the inner wall of the mounting frame 302, and a sewage pipe 303 is connected to the bottom right side of the collection frame 301.

[0036] When the red dates are graded and screened, the red dates enter the screening drum 110, and the reduction motor 108 drives the active pulley 107 to rotate. The active pulley 107 drives the rotating rod 112 to rotate through the belt 106 and the driven pulley 105. The rotating rod 112 drives the screening drum 110 to rotate through the connecting rod 109. The red dates move to the left under the action of the spiral blade 111. During the movement, the red dates of different sizes are graded through the sieve holes on the screening drum 110. The screened red dates fall into the bottom of the inner cavity of the screening machine body 101 and enter the first discharging hopper 103. The qualified red dates move to the left end of the screening drum 110 and finally enter the second discharging hopper 104. During the rotation of the screening drum 110 In the process, the piston rod of the hydraulic cylinder 205 is extended and retracted, and the incomplete rack 206 is driven to slide on the top of the mounting platform 201 through the sliding member 212, so that the gear 203 and the water outlet pipe 202 rotate back and forth, and the nozzle 210 starts to swing and spray water to clean the red dates and the sieve holes inside the screening cylinder 110 to prevent the sieve holes from being blocked, and to pre-clean the pollutants on the surface of the red dates. The sewage generated by cleaning and the screened red dates fall into the collection frame 301, and the sewage and red dates are further separated by the filter mesh 304. The wastewater generated during the cleaning process is discharged through the sewage pipe 303, which is connected to the drainage pipe and sewage treatment equipment to prevent environmental pollution. The red dates enter the bottom of the front side of the filter mesh 304 and are collected by the staff.

[0037] By means of the nozzle 210 installed at the bottom of the water outlet pipe 202, water can be sprayed into the interior of the screening cylinder 110. The water flow can help to wash away impurities on the surface of the red dates and prevent the red dates from being stuck between the sieve holes due to adhering impurities, thereby reducing the possibility of blockage. The water outlet pipe 202 can swing in coordination with the incomplete rack 206 through the gear 203. The swinging nozzle 210 can more comprehensively cover the interior of the screening cylinder 110, ensuring that each position can be effectively washed.

[0038] Through the telescopic action of the hydraulic cylinder 205, the incomplete rack 206 can be periodically driven to move, thereby causing the nozzle 210 on the water outlet pipe 202 to swing. This periodic swing can effectively prevent the red dates inside the screening cylinder 110 from being blocked due to long-term stillness. The water flow sprayed by the nozzle 210 can not only help to rinse the red dates inside the screening cylinder 110, but also remove dust, impurities or other pollutants on the surface of the red dates, preparing for subsequent processing. Since the nozzle 210 swings periodically, the action frequency of the hydraulic cylinder 205 can be adjusted according to actual needs to adapt to the cleaning requirements of different batches of red dates, which helps to ensure that the red dates reach an ideal level of cleanliness before entering the screening cylinder 110.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements 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 red date grading and screening device, comprising a drum-type screening mechanism (1), a flushing and anti-blocking mechanism (2) fixedly connected to the rear side of the drum-type screening mechanism (1), and a collecting mechanism (3) fixedly connected to the bottom of the front side of the drum-type screening mechanism (1), characterized in that: The drum-type screening mechanism (1) comprises a screening machine body (101), a rotating rod (112) is rotatably connected to the inside of the screening machine body (101), and a screening drum (110) is provided in the inner cavity of the screening machine body (101) and is sleeved on the surface of the rotating rod (112); The flushing and anti-blocking mechanism (2) comprises a mounting platform (201) fixedly mounted on the top of the screening machine body (101); a plurality of water outlet pipes (202) are rotatably connected to the top of the mounting platform (201); a nozzle (210) is connected to the bottom of the water outlet pipe (202); a gear (203) is fixedly sleeved on the rear side of the surface of the water outlet pipe (202); an incomplete rack (206) is meshed with the bottom of the gear (203); the incomplete rack (206) is slidably connected to the top of the mounting platform (201); a fixing member (211) is fixedly connected to the rear side of the mounting platform (201); a hydraulic cylinder (205) is fixedly connected to one side of the fixing member (211); a piston rod of the hydraulic cylinder (205) is fixedly connected to a sliding member (212); the front side of the sliding member (212) is fixedly connected to the rear side of the incomplete rack (206); The collecting mechanism (3) comprises a collecting frame (301) fixedly mounted on the front side of the screening machine body (101).

2. The red date grading and screening device according to claim 1, characterized in that: A plurality of supporting wheels (113) are installed on both the front and rear sides of the inner wall of the screening machine body (101), and the surfaces of the supporting wheels (113) are movably connected to the surface of the screening drum (110).

3. The red date grading and screening device according to claim 1, characterized in that: A plurality of first discharge hoppers (103) in communication with the screening machine body (101) are installed at the bottom thereof, and a second discharge hopper (104) is fixedly connected to the left side of the screening machine body (101).

4. The red date grading and screening device according to claim 1, characterized in that: The bottom of the screening machine body (101) is also fixedly connected to a base (102).

5. The red date grading and screening device according to claim 1, characterized in that: A connecting rod (109) is fixedly connected to the surface of the rotating rod (112), the connecting rod (109) is fixedly connected to the inner wall of the screening cylinder (110), and the inner wall of the screening cylinder (110) is fixedly connected to a spiral blade (111).

6. The red date grading and screening device according to claim 1, characterized in that: The top rear side of the screening machine body (101) is fixedly connected with a reduction motor (108); the output shaft fixed sleeve of the reduction motor (108) is provided with a driving pulley (107); the left end fixed sleeve of the rotating rod (112) is provided with a driven pulley (105); the surfaces of the driving pulley (107) and the driven pulley (105) are connected with a belt (106) for transmission.

7. The red date grading and screening device according to claim 1, characterized in that: The rear end of the water outlet pipe (202) is connected to a hose (204), the bottom of the hose (204) is connected to a connecting pipe (207), the liquid inlet end of the connecting pipe (207) is connected to a water pump (208), the bottom of the water pump (208) is fixedly connected to a support platform (209), and the support platform (209) is fixedly connected to the top of the screening machine body (101).

8. The red date grading and screening device according to claim 1, characterized in that: The inner wall of the collection frame (301) is fixedly mounted with a mounting frame (302) by means of bolts, the inner wall of the mounting frame (302) is fixedly connected with a filter screen (304), and the right bottom of the collection frame (301) is connected with a sewage pipe (303).

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