Konjac dry powder screening and impurity removing device

Abstract

The utility model provides a konjak dry powder screening and impurity removing device which comprises a bottom supporting frame, a closed bin is arranged on the bottom supporting frame, a screen is arranged in the closed bin and divides the inner space of the closed bin into an upper stirring area and a lower collecting area, a discharging port is formed in the bottom end of the collecting area, a rotatable stirring arm can be arranged in the stirring area, and a discharging port is formed in the bottom end of the collecting area. A feeding hopper is arranged on one side of the upper end of the stirring area, an air inlet is formed in the top end of the stirring area, a negative pressure opening is formed in the side wall of the collecting area, and a rotatable rolling brush is arranged in the feeding hopper; the problem that konjaku flour is splashed and dispersed due to a traditional open type vibration screening device is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to konjak vermicelli processing field especially a kind of konjak dry powder screening and impurity removing device. BACKGROUND

[0002] Konjak is dried after slicing, and konjak powder is prepared after konjak slice is ground, and after impurity removal and screening, konjak powder is obtained, and after puffing, mixing and cooking, molding processing is carried out, and finally konjak vermicelli is prepared by draining water.

[0003] There are not only konjak powder, but also many large-particle impurities, such as soil, small stones and konjak skin, in the powder material after konjak slice is ground, so it needs to be removed before fine screening. Because konjak powder is light, the traditional open vibrating screening device will cause konjak powder to disperse into the air, not only wasting raw materials, but also increasing the risk of explosion and fire. During the screening process, dust and other impurities in the air fall into the konjak powder, which also causes raw material pollution and increases the difficulty of fine division. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of konjak dry powder screening and impurity removing device, solve the problem that traditional open vibrating screening device causes konjak powder to splash and disperse.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is: a kind of konjak dry powder screening and impurity removing device, including bottom support frame, bottom support frame is equipped with closed warehouse, closed warehouse is equipped with screen, screen separates the inside space of closed warehouse into upper stirring zone and lower collection area, collection area bottom end is equipped with discharge gate, rotatable stirring arm can be arranged in stirring zone, stirring zone upper end one side is equipped with feed hopper, stirring zone top end is equipped with air inlet, collection area side wall is equipped with negative pressure port, rotatable roller brush is arranged in feed hopper.

[0006] In the preferred scheme, the central part of the stirring arm is connected with a first rotating shaft, one end of the first rotating shaft is connected with a driving motor, the central part of the roller brush is connected with a second rotating shaft, and a chain transmission mechanism is connected between the second rotating shaft and the first rotating shaft.

[0007] In the preferred scheme, the two ends of the stirring arm are provided with scrapers, and the end of the scraper is in contact with the inner wall of the screen.

[0008] In the preferred scheme, the two ends of the stirring arm are provided with cavities, one end of the cavity is provided with a narrow neck, a sealing ring is arranged on the inner wall of the narrow neck, one end of the scraper is also provided with a telescopic rod, the telescopic rod is slidingly sleeved at the narrow neck, a large-diameter end is arranged at the end of the telescopic rod, and a spring is arranged between the large-diameter end and the bottom end of the cavity.

[0009] In the preferred scheme, the large-diameter end is provided with a screw part, and the screw part of the large-diameter end is threadedly connected with the telescopic rod.

[0010] In the preferred scheme, a semicircular force bearing frame is arranged below the screen of the closed bin, the force bearing frame is provided with side baffles at both ends, and the side wall of the force bearing frame is provided with a plurality of hollow parts.

[0011] In the preferred scheme, a filter is arranged at the air inlet, the filter comprises a flange pipe end, the flange pipe end is connected with the filter, and the filter cover is inserted into the air inlet.

[0012] The beneficial effects of the utility model are as follows: the screen and the stirring scraper are arranged in the closed bin, dust overflow is reduced, and external air impurities are prevented from polluting raw materials; the negative pressure suction mode is adopted, so that the internal air pressure of the closed bin is slightly lower, a continuous air inlet flow is formed, dust is difficult to be scattered in the reverse direction from the feeding hopper, and dust overflow is further reduced; the stirring arm scraper is telescopic, the self-adaptation to the shape of the screen is improved, the adhesion degree is improved, and damage to the screen is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further described in connection with the drawings and embodiments.

[0014] Figure 1 It is the internal schematic view of the utility model.

[0015] Figure 2 It is the top view of the utility model.

[0016] Figure 3 It is the side view of the utility model.

[0017] Figure 4 It is the sectional view of the telescopic rod of the utility model.

[0018] Figure 5 It is the force bearing frame structure diagram of the utility model.

[0019] Figure 6 It is the filter schematic view of the utility model.

[0020] In the drawing: bottom support frame 1; closed bin 2; discharge port 201; air inlet 202; negative pressure port 203; collection area 204; stirring area 205; upper baffle 206; screen 3; force bearing frame 301; side baffle 302; hollow part 303; stirring arm 4; scraper 401; telescopic rod 402; large diameter end 403; spring 404; cavity part 405; narrow neck part 406; sealing ring 407; roller brush 5; bin door 6; feeding hopper 601; filter 7; flange pipe end 701; filter cover 702; driving motor 8; first rotating shaft 9; second rotating shaft 10; impurity removal door 11; chain transmission mechanism 12. DETAILED DESCRIPTION

[0021] As Figures 1-6In one, a konjac dry powder screening and impurity removing device, comprising a bottom support frame 1, a closed bin 2 is arranged on the bottom support frame 1, a screen 3 is arranged in the closed bin 2, the screen 3 divides the internal space of the closed bin 2 into an upper stirring area 205 and a lower collecting area 204, a discharge port 201 is arranged at the bottom end of the collecting area 204, a rotatable stirring arm 4 can be arranged in the stirring area 205, a feeding hopper 601 is arranged at one side of the upper end of the stirring area 205, an air inlet 202 is arranged at the top end of the stirring area 205, a negative pressure port 203 is arranged on the side wall of the collecting area 204, and a rotatable roller brush 5 is arranged in the feeding hopper 601.

[0022] The negative pressure port is connected to an external negative pressure suction pump.

[0023] The discharge port 201 is externally provided with a downward inclined chute.

[0024] The upper end of the feeding hopper 601 is provided with a reversible bin door 6.

[0025] The roller brush 5 can assist in powder feeding, avoid the inlet from being blocked, control the feeding speed, and prevent the powder in the stirring area 205 from flying out of the feeding hopper 601.

[0026] After the konjac raw material is crushed, it is poured into the feeding hopper 601, the feeding hopper 601 is communicated with the stirring area 205, the fine particle konjac powder enters the stirring area 205 and falls into the collecting area 204 under the stirring of the stirring arm 4. The konjac cormus skin, stone and large particle impurities are intercepted by the screen 3 and remain in the stirring area 205, achieving the effect of screening and separation.

[0027] The closed bin 2 is separated from the outside, so that the konjac powder does not fly to the outside during stirring and the raw material is not wasted.

[0028] An upper cover 206 is arranged above the stirring area 205 to constrain the dust in a local space.

[0029] Air enters the stirring area 205 from the gap of the roller brush 5 in the upper cover 206 through the air inlets of the air inlet 202 and the feeding hopper 601, and then the air is discharged from the negative pressure port 203 after passing through the screen 3. An air flow is formed in the closed bin 2 to guide the konjac powder to pass through the mesh holes of the screen 3, improve the screening rate, and reduce the mesh hole blockage. Moreover, due to the slightly lower air pressure in the closed bin 2, the dust will not overflow during stirring.

[0030] A small amount of dry powder particles are discharged with the air flow and intercepted and filtered by a secondary filtering device.

[0031] A cleaning door 11 is arranged at the side wall of the bottom end of the stirring area 205, and the cleaning door 11 can be opened to clean the internal impurities after screening.

[0032] In the preferred embodiment, the first rotating shaft 9 is connected to the central part of the stirring arm 4, and one end of the first rotating shaft 9 is connected to the driving motor 8. The second rotating shaft 10 is connected to the central part of the rolling brush 5, and the second rotating shaft 10 is connected to the first rotating shaft 9 through the chain transmission mechanism 12.

[0033] The same motor drive is low in cost, and the first rotating shaft 9 and the second rotating shaft 10 are linked together. When the stirring arm 4 stirs fast, the feeding is fast, and when the stirring arm 4 stirs slowly, the feeding is slow.

[0034] In the preferred embodiment, the scraping plate 401 is arranged at both ends of the stirring arm 4, and the end of the scraping plate 401 is in contact with the inner wall of the screen 3.

[0035] In the preferred embodiment, the cavity part 405 is arranged inside both ends of the stirring arm 4, the narrow neck part 406 is arranged at one end of the cavity part 405, the sealing ring 407 is arranged on the inner wall of the narrow neck part 406, the telescopic rod 402 is arranged at one end of the scraping plate 401, the telescopic rod 402 is slidingly sleeved at the narrow neck part 406, the large-diameter end 403 is arranged at the end of the telescopic rod 402, and the spring 404 is arranged between the large-diameter end 403 and the bottom end of the cavity part 405.

[0036] In the preferred embodiment, the large-diameter end 403 is provided with a screw part, and the screw part of the large-diameter end 403 is threadedly connected to the telescopic rod 402.

[0037] When the stirring arm 4 is manufactured, a U-shaped cylinder with a through hole and a sealing groove at the bottom is first processed. After the sealing ring 407 is installed, the scraping plate 401 and the telescopic rod 402 are welded, the telescopic rod 402 is inserted into the narrow neck part 406 of the U-shaped cylinder, the large-diameter end 403 is screwed from the other end, the large-diameter end 403 is provided with a recess, the spring 404 is placed in the recess, and the opening end of the U-shaped cylinder is abutted against the end of the stirring arm 4 body, and the joint is fully welded.

[0038] Under the action of the spring 404 and the sealed gas inside the cavity part 405, the scraping plate 401 can be self-adapting and telescopic, so that the requirements for the shape and position accuracy of the screen 3 are reduced, and the scraping plate 401 is prevented from damaging the screen 3.

[0039] In the preferred embodiment, the semi-circular force bearing frame 301 is arranged below the screen 3 on the closed bin 2, the force bearing frame 301 is provided with side baffles 302 at both ends, and the side wall of the force bearing frame 301 is provided with a plurality of hollow parts 303.

[0040] The screen 3 is attached to the inside of the force bearing frame 301, and deformation caused by excessive stress is avoided.

[0041] In the preferred embodiment, the filter 7 is arranged at the air inlet 202, the filter 7 includes a flange pipe end 701, the flange pipe end 701 is connected to the filter 7 at the lower end, and the filter cover 702 is inserted into the air inlet 202.

[0042] The flanged pipe end 701 connects to the air inlet pipe, and the air inlet 202 can prevent external impurities from entering the closed chamber 2.

[0043] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A device for screening and removing impurities from konjac powder, characterized in that: Includes a bottom support frame (1), a closed chamber (2) is provided on the bottom support frame (1), a screen (3) is provided inside the closed chamber (2), the screen (3) divides the internal space of the closed chamber (2) into an upper stirring zone (205) and a lower collection zone (204), a discharge port (201) is provided at the bottom of the collection zone (204), a rotatable stirring arm (4) is provided in the stirring zone (205), a feed hopper (601) is provided on one side of the upper end of the stirring zone (205), an air inlet (202) is provided at the top of the stirring zone (205), a negative pressure port (203) is provided on the side wall of the collection zone (204), and a rotatable roller brush (5) is provided inside the feed hopper (601).

2. The konjac powder screening and impurity removal device according to claim 1, characterized in that: The first rotating shaft (9) is connected to the center of the stirring arm (4), and a drive motor (8) is connected to one end of the first rotating shaft (9). The second rotating shaft (10) is connected to the center of the roller brush (5), and a chain drive mechanism (12) is connected between the second rotating shaft (10) and the first rotating shaft (9).

3. The konjac powder screening and impurity removal device according to claim 1, characterized in that: The agitator (4) has scrapers (401) at both ends, and the ends of the scrapers (401) are in contact with the inner wall of the screen (3).

4. The konjac powder screening and impurity removal device according to claim 3, characterized in that: The stirring arm (4) has a cavity (405) inside both ends. One end of the cavity (405) has a narrow neck (406). The inner wall of the narrow neck (406) is provided with a sealing ring (407). One end of the scraper (401) is also provided with a telescopic rod (402). The telescopic rod (402) is slidably sleeved at the narrow neck (406). The end of the telescopic rod (402) is provided with a large diameter end (403). A spring (404) is provided between the large diameter end (403) and the bottom end of the cavity (405).

5. The konjac powder screening and impurity removal device according to claim 4, characterized in that: The large-diameter end (403) has a screw section, which is threadedly connected to the telescopic rod (402).

6. The konjac powder screening and impurity removal device according to claim 1, characterized in that: The upper screen (3) of the closed chamber (2) is provided with a semi-circular support frame (301). The support frame (301) is provided with side baffles (302) at both ends. The side wall of the support frame (301) is provided with multiple hollow parts (303).

7. The konjac powder screening and impurity removal device according to claim 1, characterized in that: A filter element (7) is provided at the air inlet (202). The filter element (7) includes a flanged pipe end (701). The lower end of the flanged pipe end (701) is connected to the filter element (7). The filter cover (702) is inserted into the air inlet (202).

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