Rotary persimmon sorting machine

Abstract

The utility model provides a rotary persimmon sorting machine, which relates to the technical field of persimmon sorting, and is characterized by comprising a bottom plate and a U-shaped plate I, when the persimmon cleaning machine is used, water is injected into the water tank through the water pipe, then the conveying belt, the water pump and the motor are started, persimmons are placed on the conveying belt, the conveying belt drives the persimmons to move forwards, water flows from the water tank to the spray head to wash the persimmons, and when the persimmons move forwards to the banister brush, the banister brush scrubs the persimmons, and the persimmons continue to move. The persimmons are washed by water again, residues on the surfaces of the persimmons are avoided, the persimmons fall into a second U-shaped plate in the moving process and then fall into the barrel body, the persimmons falling into the barrel body slowly rotate forwards along with the auger blades to be pushed to move, and the persimmons are washed according to different sizes of the persimmons. And in the moving process, the materials can fall into the corresponding drawers from the small discharging opening, the middle discharging opening and the large discharging opening, the situation that manual visual inspection is inaccurate is avoided, and the sorting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of persimmon sorting, in particular to a rotary persimmon sorting machine. Background Art

[0002] Persimmon is a deciduous tree of the genus Diospyros in the family Ebenaceae. It is native to East Asia. Persimmon is not only nutritious, containing a large amount of sugars and multiple vitamins, but also has high medicinal and economic value. Persimmons need to be sorted after picking and sold at different prices, which can bring more economic benefits. Persimmon sorting machines are used when sorting persimmons.

[0003] In the prior art, in some small plantations, before picking persimmons, they generally need to be cleaned and washed off some dust and dirt on the surface before sorting, and the existing cleaning is mostly done manually, which increases the workload of workers; secondly, the cleaned persimmons are generally sorted by manual visual comparison according to different regular sizes, and the sorting efficiency is low.

[0004] Therefore, a rotary persimmon sorting machine is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rotary persimmon sorting machine, comprising: a bottom plate and a U-shaped plate 1, the four ends of the bottom of the U-shaped plate 1 are fixedly installed with support legs 2, the bottoms of the four support legs 2 are fixedly installed on the top of the bottom plate, a control terminal is fixedly installed on one side of the surface of the U-shaped plate 1, a conveyor belt is installed on the top of the inner cavity of the U-shaped plate 1, a cleaning device is arranged on the top of the bottom plate, and a rotary sorting device is arranged on the top of the bottom plate.

[0007] As a preferred embodiment, two fixing frames are fixedly installed on both sides of the top of the U-shaped plate, and through grooves are provided on the surfaces of the two fixing frames. A bracket two is fixedly installed at the center of the top of the U-shaped plate, and a fixing strip is fixedly sleeved on the surface of the bracket two, and a plurality of soft brushes are fixedly installed on the bottom of the fixing strip. A U-shaped plate two is fixedly installed at one end of the surface of the U-shaped plate one, and a funnel-shaped groove is provided at the center of the bottom of the inner cavity of the U-shaped plate one, and a drain outlet is fixedly installed at the center of the bottom of the U-shaped plate one, and the drain outlet is communicated with the interior of the funnel-shaped groove.

[0008] As a preferred embodiment, a plurality of protection strips are fixedly installed on the surface of the conveyor belt, and a plurality of drainage grooves are equidistantly provided on the surface of the conveyor belt.

[0009] As a preferred embodiment, the cleaning device includes a water tank, a water pipe 1 is fixedly installed on the top of the water tank, a water pipe 2 is installed through the bottom of one side of the water tank, one end of the water pipe 2 is connected to a water pump, a diversion pipe is fixedly installed on the output end of the water pump, two connecting plates are fixedly installed on the surface of the diversion pipe, a plurality of nozzles are equidistantly installed on the bottom of the two connecting plates, the surface of one end of the diversion pipe is fixedly embedded in the inside of the through groove, and the bottom of the water tank and the water pump are fixedly installed on the top of the base plate.

[0010] As a preferred embodiment, the rotary sorting device includes a motor and a barrel body, the motor is fixedly mounted on one side of the barrel body, a rotating rod is fixedly mounted on the output end of the motor, the other end of the rotating rod is embedded in the other side of the inner cavity of the barrel body through a bearing, a Jiaolong blade is fixedly mounted on the surface of the rotating rod, and the Jiaolong blade moves inside the barrel body, three protective plates are equidistantly mounted on the bottom of the barrel body surface, a plurality of small discharge ports are opened at the bottom of the barrel body surface, a plurality of medium-sized discharge ports are opened at the bottom of the barrel body surface, a large discharge port is opened at one end of the bottom of the barrel body, a plurality of the small discharge ports, a plurality of medium-sized discharge ports and the large discharge port are respectively located on the inner sides of the three protective plates, a feed port is fixedly mounted on the top of the surface of one end of the barrel body, the feed port is communicated with the interior of the barrel body, and one side of the feed port is fixedly mounted on the bottom of the U-shaped plate 2.

[0011] As a preferred embodiment, four supporting legs 1 are fixedly installed on the top of the bottom plate, and the four supporting legs 1 are divided into two groups. A bracket 1 is fixedly installed on the top of the two groups of supporting legs 1, and two brackets 1 are respectively installed at the two ends of the bottom of the barrel body. A box body is fixedly installed on the top of the bottom plate, and three movable grooves are equidistantly opened on the side of the box body. Drawers are movably embedded in the three movable grooves, and handles are fixedly installed on the surfaces of the three drawers. The three drawers are respectively arranged directly below the three protective plates.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the conveyor belt, water pump, motor and control terminal are electrically connected, and the machine is connected to an external power supply. In order to avoid residues on the surface of persimmons, they will be brushed before sorting. First, water is filled into the water tank through water pipe 1, and then the conveyor belt, water pump and motor are started through the control terminal. At this time, workers can place a certain amount of persimmons on the conveyor belt in batches. After the conveyor belt is started, it drives the persimmons to move forward. After the water pump is started, water will flow into the diversion pipe through water pipe 2, and then be diverted to the connecting plate through the diversion pipe. Finally, it is sprayed on the surface of the persimmons on the conveyor belt through the nozzle on the nozzle to wash the persimmons. When the persimmons move to the bottom of the soft brush driven by the conveyor belt, the soft brush will brush the persimmons on the conveyor belt. The brush is gently scraped to remove moisture and dust from the surface. The soft-bristle brush has a certain flexibility and will not scratch the surface of the persimmons. The washed persimmons will continue to move driven by the conveyor belt, and the nozzle of the nozzle sprays water to rinse the persimmons again to avoid residues on the surface of the persimmons. Most of the waste water after washing the persimmons will flow into the funnel-shaped groove through the leakage groove on the surface of the conveyor belt and the gaps on both sides, and then flow out through the drain at the bottom of the funnel-shaped groove. A water pipe can be connected to the bottom of the drain or a container can be placed to collect the outflowing water to reduce the waste of water resources. This method can automatically clean the persimmons before sorting, avoid workers manually flushing and cleaning the residues on the surface of the persimmons, and reduce the workload of workers.

[0014] 2. According to the utility model, the persimmons continue to move forward driven by the conveyor belt and fall into the U-shaped plate 2. The motor drives the rotating rod to rotate and drives the Jiaolong blade to rotate at the same time. The persimmons fall into the feed port from the U-shaped plate 2 and fall into the barrel body through the feed port. The persimmons that fall into the barrel body slowly rotate and push forward as the Jiaolong blades rotate. When passing through multiple small discharge ports, the persimmons that meet the specifications are screened and fall into the corresponding drawers through the multiple small discharge ports. The persimmons that do not meet the specifications continue to rotate and move under the push of the Jiaolong blades. When moving to multiple medium-sized discharge ports, the persimmons that meet the specifications are screened and fall into the corresponding drawers through the multiple medium-sized discharge ports. Finally, the larger persimmons continue to fall into the corresponding drawers from the large discharge port through the rotation of the Jiaolong blades. Through this arrangement, persimmons can be rotary sorted, and persimmons of different specifications can be sorted, screened and collected into corresponding drawers according to small, medium and large specifications. Workers only need to pull out the drawers to collect the sorted persimmons, thereby improving the sorting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of a rotary persimmon sorting machine provided by the utility model;

[0016] Figure 2 A schematic cross-sectional structure diagram of a rotary persimmon sorting machine provided by the utility model;

[0017] Figure 3 A schematic diagram of the three-dimensional structure of a cleaning device of a rotary persimmon sorting machine provided by the utility model;

[0018] Figure 4 A schematic diagram of the three-dimensional structure of a rotary sorting device of a rotary persimmon sorting machine provided by the utility model;

[0019] Figure 5 The utility model provides a schematic diagram of the drawer structure of a rotary persimmon sorting machine.

[0020] Legend:

[0021] 1. Bottom plate; 101. Support leg 1; 102. Bracket 1; 103. Box; 104. Drawer; 105. Handle; 106. Movable slot; 2. U-shaped plate 1; 201. Support leg 2; 202. Fixed frame; 203. Bracket 2; 204. Fixed strip; 205. U-shaped plate 2; 206. Drainage outlet; 207. Funnel-shaped slot; 208. Through slot; 209. Soft brush; 3. Control terminal; 4. Conveyor belt; 401. Protective strip; 402. Leakage trough; 5. Cleaning device; 501. Water pipe one; 502. Water tank; 503. Water pipe two; 504. Water pump; 505. Diverter pipe; 506. Connecting plate; 507. Nozzle; 6. Rotary sorting device; 601. Motor; 602. Barrel body; 603. Protective plate; 604. Small discharge port; 605. Rotating rod; 606. Jiaolong blade; 607. Feed port; 608. Medium discharge port; 609. Large discharge port. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a technical solution: a rotary persimmon sorting machine, comprising: a bottom plate 1 and a U-shaped plate 2, the four ends of the bottom of the U-shaped plate 2 are fixedly installed with supporting legs 201, the bottoms of the four supporting legs 201 are fixedly installed on the top of the bottom plate 1, a control terminal 3 is fixedly installed on one side of the surface of the U-shaped plate 2, a conveyor belt 4 is installed on the top of the inner cavity of the U-shaped plate 2, a cleaning device 5 is arranged on the top of the bottom plate 1, and a rotary sorting device 6 is arranged on the top of the bottom plate 1.

[0024] Specifically: persimmons will be scrubbed before sorting to remove residues on the surface of the persimmons. The machine rinses the persimmons through the set conveyor belt 4, and there is no need for workers to manually clean them, which reduces the workload of workers. The persimmons are sorted by the set rotating sorting device 6 to avoid inaccurate manual visual sorting and time-consuming and laborious measurement and sorting with measuring tools. The supporting leg 201 allows the machine to be placed stably on the bottom plate 1. The control terminal 3 is used to control the start and stop of the conveyor belt 4, the water pump 504, and the motor 601. The conveyor belt 4 drives the persimmons to move and is first scrubbed and then sorted.

[0025] In one embodiment, two fixing frames 202 are fixedly installed on both sides of the top of the U-shaped plate 2, and through grooves 208 are provided on the surfaces of the two fixing frames 202. A bracket 203 is fixedly installed at the center of the top of the U-shaped plate 2, and a fixing strip 204 is fixedly sleeved on the surface of the bracket 203. A plurality of soft brushes 209 are fixedly installed at the bottom of the fixing strip 204. A U-shaped plate 205 is fixedly installed at one end of the surface of the U-shaped plate 2, and a funnel-shaped groove 207 is provided at the center of the bottom of the inner cavity of the U-shaped plate 2. A drain outlet 206 is fixedly installed at the center of the bottom of the U-shaped plate 2, and the drain outlet 206 is communicated with the inside of the funnel-shaped groove 207.

[0026] Specifically: the fixing frame 202 is used to fix the diversion pipe 505, so that the water flow in the nozzle 507 can wash the surface of the persimmons, the soft brush 209 can scrub the residue on the surface of the persimmons, and the funnel-shaped groove 207 at the bottom of the inner cavity of the U-shaped plate 2 can make most of the waste water after washing the persimmons collect and discharge to the drain port 206. A container for holding waste water should be placed at the bottom of the drain port 206 to collect the waste water. After washing the persimmons, they fall into the feed port 607 through the U-shaped plate 205. The surface of the U-shaped plate 205 is paved with flexible material to prevent the persimmons from bumping.

[0027] In one embodiment, a plurality of protection strips 401 are fixedly installed on the surface of the conveyor belt 4 , and a plurality of drainage grooves 402 are equidistantly provided on the surface of the conveyor belt 4 .

[0028] Specifically, the protection strip 401 prevents the persimmons from turning over and moving backward when passing through the soft brush 209, so that the persimmons move forward under the drive of the conveyor belt 4, and the water leakage trough 402 can filter the water used to wash the persimmons.

[0029] In one embodiment, the cleaning device 5 includes a water tank 502, a water pipe 1 501 is fixedly installed on the top of the water tank 502, a water pipe 2 503 is installed through the bottom of one side of the water tank 502, one end of the water pipe 2 503 is connected to a water pump 504, a diversion pipe 505 is fixedly installed on the output end of the water pump 504, two connecting plates 506 are fixedly installed on the surface of the diversion pipe 505, and a plurality of nozzles 507 are evenly installed on the bottom of the two connecting plates 506, the surface of one end of the diversion pipe 505 is fixedly embedded in the inside of the through groove 208, and the bottom of the water tank 502 and the water pump 504 are fixedly installed on the top of the base plate 1.

[0030] Specifically: a water source is connected to the top of water pipe 1 501, and the water pump 504 is started by controlling the control terminal 3. Water enters water pipe 2 503 from the water tank 502, and then is diverted to the connecting plate 506 through the diversion pipe 505, and finally sprayed out from the nozzle 507 to wash the persimmons on the conveyor belt 4. The water after washing the persimmons flows through the leakage groove 402 to the funnel-shaped groove 207, and then flows out from the drain port 206. After the water is diverted, the persimmons can be rinsed first to wash away larger debris on the surface. After the persimmons are brushed with a soft brush 209, the persimmons are rinsed again to ensure that there is no residue on the surface of the persimmons after brushing.

[0031] In one embodiment, the rotary sorting device 6 includes a motor 601 and a barrel 602. The motor 601 is fixedly mounted on one side of the barrel 602. A rotating rod 605 is fixedly mounted on the output end of the motor 601. The other end of the rotating rod 605 is embedded in the other side of the inner cavity of the barrel 602 through a bearing. A Jiaolong blade 606 is fixedly mounted on the surface of the rotating rod 605. The Jiaolong blade 606 moves inside the barrel 602. Three protective plates 603 are equidistantly mounted on the bottom of the barrel 602. The bottom of the barrel 602 is opened. A plurality of small discharge ports 604 are provided, a plurality of medium-sized discharge ports 608 are provided at the bottom of the barrel body 602, a large discharge port 609 is provided at one end of the bottom of the barrel body 602, the plurality of small discharge ports 604, the plurality of medium-sized discharge ports 608 and the large discharge port 609 are respectively located on the inner sides of the three protective plates 603, a feed port 607 is fixedly installed at the top of the surface of one end of the barrel body 602, the feed port 607 is communicated with the interior of the barrel body 602, and one side of the feed port 607 is fixedly installed at the bottom of the U-shaped plate 205.

[0032] Specifically: the small discharge port 604 and the medium discharge port 608 are set to have a certain area range, which is convenient for the persimmons to be screened and dropped when they are continuously rotated and flipped by the dragon blades 606. The protective plate 603 plays a role in protecting the persimmons that are screened and dropped, preventing the persimmons from falling outside the box 103.

[0033] In one embodiment, four supporting legs 101 are fixedly installed on the top of the bottom plate 1, and the four supporting legs 101 are divided into two groups. Brackets 102 are fixedly installed on the tops of the two groups of supporting legs 101, and the two brackets 102 are respectively installed at the two ends of the bottom of the barrel body 602. A box body 103 is fixedly installed on the top of the bottom plate 1, and three movable grooves 106 are equidistantly opened on the side of the box body 103. Drawers 104 are movably embedded in the three movable grooves 106, and handles 105 are fixedly installed on the surfaces of the three drawers 104. The three drawers 104 are respectively arranged directly below the three protective plates 603.

[0034] Specifically: the supporting leg 101 and the bracket 102 make the machine stable and placed on the bottom plate 1. When the persimmons fall from the barrel 602, they will fall into the drawer 104. The inner surface of the drawer 104 is parallel to the inner surface of the box 103. Flexible material can be laid on the drawer 104 and the inner surface of the box 103 to prevent the persimmons from being bumped when falling. The drawer 104 is pulled out of the movable groove 106 by the handle 105 to take out the sorted persimmons.

[0035] Working principle: the conveyor belt 4, the water pump 504, the motor 601 are electrically connected to the control terminal 3, and the machine is connected to an external power supply. In order to avoid residues on the surface of the persimmons, they will be brushed before sorting. First, fill the water into the water tank 502 through the water pipe 1 501, and then control the conveyor belt 4, the water pump 504 and the motor 601 to start through the control terminal 3. At this time, the workers can place a certain amount of persimmons on the conveyor belt 4 in batches. After the conveyor belt 4 is started, it drives the persimmons to move forward. After the water pump 504 is started, the water will flow through the water pipe 2 503 to the diversion pipe 505, and then be diverted to the connecting plate 506 through the diversion pipe 505, and finally sprayed on the surface of the persimmons on the conveyor belt 4 through the nozzle on the nozzle 507. The persimmons are rinsed. When the persimmons move to the bottom of the soft brush 209 after the first rinse driven by the conveyor belt 4, the soft brush 209 will gently scrape and brush the persimmons on the conveyor belt 4 to remove moisture and dust on the surface. Because the soft brush has a certain flexibility, it will not scrape the surface of the persimmons. The persimmons after brushing will continue to move under the drive of the conveyor belt 4. The nozzle of the nozzle 507 sprays water to rinse the persimmons again to avoid residues on the surface of the persimmons. Most of the waste water after washing the persimmons will flow into the funnel-shaped groove 207 through the leakage groove 402 on the surface of the conveyor belt 4 and the gaps on both sides, and then flow out through the drain port 206 at the bottom of the funnel-shaped groove 207. The water can be connected at the bottom of the drain port 206. The persimmons are automatically cleaned before sorting by placing a pipe or placing a container to collect the outflowing water, thereby reducing the waste of water resources. This method avoids the workers from manually flushing and cleaning the residues on the surface of the persimmons, thereby reducing the workload of the workers. Driven by the conveyor belt 4, the persimmons continue to move forward and fall into the U-shaped plate 205. The motor 601 drives the rotating rod 605 to rotate while driving the dragon blade 606 to rotate. The persimmons fall from the U-shaped plate 205 into the feed port 607 and fall into the barrel body 602 through the feed port 607. The persimmons that fall into the barrel body 602 slowly rotate forward and move forward with the rotation of the dragon blade 606. When passing through multiple small discharge ports 604, the persimmons that meet the specifications and sizes are continuously discharged. The persimmons that are not up to standard are pushed by the Jiaolong blades 606 to continue to rotate and move. When they move to multiple medium-sized discharge ports 608, the persimmons that meet the standards are continuously rotated and screened through multiple medium-sized discharge ports 608 and fall into the corresponding drawers 104. Finally, the larger persimmons are pushed by the Jiaolong blades 606 to fall into the corresponding drawers 104 from the large discharge port 609. Through this arrangement, persimmons can be rotary sorted, and persimmons of different specifications can be sorted, screened and collected into corresponding drawers 104 according to small, medium and large specifications. Workers only need to pull out the drawers 104 to collect the sorted persimmons, which improves the sorting efficiency.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A rotary persimmon sorting machine, characterized in that: include: A bottom plate (1) and a U-shaped plate (2), wherein four ends of the bottom of the U-shaped plate (2) are fixedly mounted with supporting legs (201), the bottoms of the four supporting legs (201) are fixedly mounted on the top of the bottom plate (1), a control terminal (3) is fixedly mounted on one side of the surface of the U-shaped plate (2), a conveyor belt (4) is mounted on the top of the inner cavity of the U-shaped plate (2), a cleaning device (5) is arranged on the top of the bottom plate (1), and a rotating sorting device (6) is arranged on the top of the bottom plate (1); A U-shaped plate 2 (205) is fixedly mounted on one end of the surface of the U-shaped plate 1 (2); The rotary sorting device (6) comprises a motor (601) and a barrel (602), wherein the motor (601) is fixedly mounted on one side of the barrel (602), a rotating rod (605) is fixedly mounted on the output end of the motor (601), the other end of the rotating rod (605) is embedded in the other side of the inner cavity of the barrel (602) via a bearing, a Jiaolong blade (606) is fixedly mounted on the surface of the rotating rod (605), and the Jiaolong blade (606) moves inside the barrel (602), three protective plates (603) are equidistantly mounted on the bottom of the surface of the barrel (602), and the bottom of the surface of the barrel (602) is provided with a There are multiple small discharge ports (604), the bottom of the barrel body (602) surface is provided with multiple medium-sized discharge ports (608), one end of the bottom of the barrel body (602) is provided with a large discharge port (609), the multiple small discharge ports (604), the multiple medium-sized discharge ports (608) and the large discharge port (609) are respectively located on the inner sides of the three protective plates (603), a feed port (607) is fixedly installed on the top of the surface of one end of the barrel body (602), the feed port (607) is communicated with the inside of the barrel body (602), and one side of the feed port (607) is fixedly installed on the bottom of the second U-shaped plate (205).

2. A rotary persimmon sorting machine according to claim 1, characterized in that: Two fixing frames (202) are fixedly installed on both sides of the top of the U-shaped plate (2), and the surfaces of the two fixing frames (202) are provided with through grooves (208). A bracket (203) is fixedly installed at the center of the top of the U-shaped plate (2), and a fixing strip (204) is fixedly sleeved on the surface of the bracket (203). A plurality of soft brushes (209) are fixedly installed at the bottom of the fixing strip (204). A funnel-shaped groove (207) is opened at the center of the bottom of the inner cavity of the U-shaped plate (2), and a drainage port (206) is fixedly installed at the center of the bottom of the U-shaped plate (2), and the drainage port (206) is communicated with the inside of the funnel-shaped groove (207).

3. A rotary persimmon sorting machine according to claim 1, characterized in that: A plurality of protection strips (401) are fixedly mounted on the surface of the conveyor belt (4), and a plurality of water leakage grooves (402) are equidistantly provided on the surface of the conveyor belt (4).

4. A rotary persimmon sorting machine according to claim 1, characterized in that: The cleaning device (5) comprises a water tank (502), a water pipe 1 (501) is fixedly installed on the top of the water tank (502), a water pipe 2 (503) is installed through the bottom of one side of the water tank (502), one end of the water pipe 2 (503) is connected to a water pump (504), a diversion pipe (505) is fixedly installed on the output end of the water pump (504), two connecting plates (506) are fixedly installed on the surface of the diversion pipe (505), and a plurality of nozzles (507) are installed through the bottom of the two connecting plates (506) at equal distances, the surface of one end of the diversion pipe (505) is fixedly embedded in the interior of the through groove (208), and the bottom of the water tank (502) and the water pump (504) are fixedly installed on the top of the base plate (1).

5. The rotary persimmon sorting machine according to claim 1, characterized in that: Four supporting legs (101) are fixedly mounted on the top of the bottom plate (1), and the four supporting legs (101) are divided into two groups. A bracket (102) is fixedly mounted on the top of the two groups of supporting legs (101), and the two brackets (102) are respectively mounted on the two ends of the bottom of the barrel body (602). A box body (103) is fixedly mounted on the top of the bottom plate (1), and three movable grooves (106) are equidistantly opened on the side of the box body (103), and drawers (104) are movably embedded in the inside of the three movable grooves (106), and handles (105) are fixedly mounted on the surfaces of the three drawers (104), and the three drawers (104) are respectively arranged directly below the three protective plates (603).

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