Screening device capable of avoiding blockage

Abstract

The utility model relates to the technical field of screening devices, and discloses a screening device capable of avoiding blockage, which comprises a box body, a screening frame is arranged in the box body, and a dust collection mechanism is arranged on the box body; the dust collection mechanism comprises a mounting plate, a rotating motor, a rotating rod, an eccentric wheel, a side plate, a reciprocating screw rod, a belt pulley, a collection box, a dust collector, a folding hose, a dust collection pipe, a moving block and a rotating damper; the mounting plate is fixedly connected to the side face of the box body, and the rotating motor is fixedly mounted at the top of the mounting plate. A rotating motor is arranged to drive an eccentric wheel to rotate, so that the bottom of a screening frame is knocked, the screening effect can be improved while the screening frame is prevented from being blocked, a dust suction machine and a dust suction pipe are arranged to suck dust generated in the screening process, and the field environment and the body health of operators are improved; and the reciprocating screw rod can drive the dust collection pipe to move left and right, so that the dust collection range is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to screening device technical field, concretely is a kind of screening device that can avoid blockage. BACKGROUND

[0002] Activated carbon is black powder or block, granular, honeycomb amorphous carbon, also has the crystal carbon of regular arrangement. In addition to carbon element, activated carbon also contains two types of admixture: one is chemically combined element, mainly oxygen and hydrogen, these elements are due to incomplete carbonization and remain in carbon, or in the activation process, the chemical combination of extraneous non-carbon element and activated carbon surface;Another type of admixture is ash, which is the inorganic part of activated carbon, ash is easy to cause secondary pollution in activated carbon. Activated carbon is widely used in production and life due to its strong adsorption.

[0003] For example, Chinese patent "CN203508366U", the technical solution disclosed in the patent is as follows: a kind of activated carbon vibrating screening device, including screening box and multiple supporting springs, screening box is supported on multiple supporting springs, screen is arranged in the inner chamber of screening box, fine particle outlet is arranged at the bottom of screening box, coarse particle outlet is arranged on the side wall of screening box, two gravity pressure blocks symmetrically arranged are arranged on the side of the side wall of screening box close to coarse particle outlet, two vibration motors symmetrically arranged are arranged on the side of the side wall of screening box away from coarse particle outlet. The utility model has the advantages of sufficient screening, small floor area, compact structure, high speed of sorting, high efficiency of sorting, convenient and flexible adjustment.

[0004] However, in actual use, the patent produces dust when vibrating and screening activated carbon, and the generated dust is difficult to block and easy to float in the working environment, which can cause harm to the worker's body after being inhaled by the operator. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a kind of screening device that can avoid blockage.

[0007] (II) technical scheme

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of screening device that can avoid blockage, including box, the inside of the box is provided with screening frame, dust collection mechanism is arranged on the box;

[0009] The dust collection mechanism includes mounting plate, rotary motor, rotating rod, eccentric wheel, side plate, reciprocating screw rod, belt pulley, collection box, dust collector, folding hose, dust collection pipe, moving block, rotary damper;

[0010] The mounting plate is fixedly connected to the side of the box body, the rotary motor is fixedly installed on the top of the mounting plate, one end of the rotating rod is fixedly connected to the output end of the rotary motor, and the other end of the rotating rod penetrates through the outer wall of the box body through a bearing and is rotationally connected to the inner wall of the box body, the eccentric wheel is fixedly sleeved on the outer wall of the rotating rod, the side plate is fixedly connected to the back of the box body, one end of the reciprocating wire rod penetrates through the side of the side plate through a bearing and is rotationally connected to the side plate, the driving pulley of the belt pulley is fixedly sleeved on the rotating rod, and the driven pulley of the belt pulley is fixedly sleeved on the reciprocating wire rod, the collecting box is fixedly connected to the back of the box body, the dust collector is fixedly installed on the top of the collecting box, and the output end of the dust collector is in communication with the collecting box, one end of the folding hose is in communication with the input end of the dust collector, one end of the dust suction pipe is in communication with the other end of the folding hose, the moving block is threadedly sleeved on the reciprocating wire rod, and the moving block is slidably connected to the back of the box body, and the rotary damper is installed on the top of the moving block and connected to the dust suction pipe.

[0011] Preferably, the number of eccentric wheels is three, and the three eccentric wheels are evenly arranged on the rotating rod. By arranging multiple eccentric wheels, the knocking effect is improved.

[0012] Preferably, the box body is provided with a lifting mechanism, the lifting mechanism comprises a placing seat, a lifting plate, a sliding groove, a guide rail, a linear motor and a cylindrical block, the placing seat is slidably connected to the inner wall of the box body, the top of the placing seat is in contact with the bottom of the screening frame, the bottom end of the lifting plate is hingedly connected to the inner wall of the box body, the top end of the lifting plate is in abutment with the bottom of the placing seat, the sliding groove is formed in the side of the lifting plate, the guide rail is fixedly installed on the inner wall of the box body, the linear motor is arranged on the guide rail, and the cylindrical block is fixedly connected to the linear motor and slidably connected to the inner wall of the sliding groove.

[0013] Preferably, the number of lifting plates is two, and the two lifting plates are fixedly connected by a connecting rod. By arranging the connecting rod, the two lifting plates can be driven to move simultaneously.

[0014] Preferably, the front of the box body is provided with a placing opening, and the inner wall of the box body is provided with a collecting frame. By arranging the collecting frame, the activated carbon after screening can be collected.

[0015] Preferably, the inner wall of the box body is provided with a limiting groove, and the inner wall of the limiting groove is slidably connected to a limiting block, and the limiting block is fixedly connected to the placing seat. By arranging the limiting groove and the limiting block, the position of the placing seat can be limited, and the placing seat can also be provided with supporting force, thereby improving the stability of the placing seat.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the screening device can avoid blockage, has the following beneficial effects:

[0018] I. The screening device can avoid blockage, and the eccentric wheel is driven to rotate by the rotary motor, thereby knocking the bottom of the screening frame, improving the screening effect, and improving the dust absorption effect, the dust generated during the screening process is absorbed by the dust absorption mechanism and the dust absorption pipe, the on-site environment and the health of the operator are improved, and the dust absorption range is improved by the reciprocating screw rod.

[0019] II. The screening device can avoid blockage, and the one end of the lifting plate is swung by the linear motor and the cylindrical block, thereby driving the placement seat to lift, facilitating taking out the screening frame after screening, and facilitating taking out the activated carbon that does not pass the screening. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0021] Figure 1 It is a structural schematic view of the present application;

[0022] Figure 2 It is a front view of the present application;

[0023] Figure 3 It is a back view of the present application;

[0024] Figure 4 It is a front view of the present application;

[0025] Figure 5 It is an enlarged view of A of the present application.

[0026] In the drawings: 1, box body; 2, screening frame; 3, dust absorption mechanism; 301, mounting plate; 302, rotary motor; 303, rotating rod; 304, eccentric wheel; 305, side plate; 306, reciprocating screw rod; 307, belt pulley; 308, collection box; 309, dust absorption machine; 310, folding hose; 311, dust absorption pipe; 312, moving block; 313, rotary damper; 4, lifting mechanism; 401, placement seat; 402, lifting plate; 403, sliding groove; 404, guide rail; 405, linear motor; 406, cylindrical block; 5, collection frame; 6, limiting groove; 7, limiting block. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments.

[0028] Embodiment 1

[0029] As Figures 1-5 shown, the utility model provides a kind of screening device that can avoid blockage, including box 1, the inside of box 1 is provided with screening frame 2, the front of box 1 is equipped with placing mouth, the inner wall bottom of box 1 is provided with collection frame 5, by setting collection frame 5, it is to facilitate the collection of activated carbon after screening, dust extraction mechanism 3 is provided on box 1;Dust extraction mechanism 3 includes mounting plate 301, rotary motor 302, rotating rod 303, eccentric wheel 304, side plate 305, reciprocating screw rod 306, belt pulley 307, collection box 308, dust collector 309, folding hose 310, dust extraction pipe 311, moving block 312, rotary damper 313;Mounting plate 301 is fixedly connected on the side of box 1, rotary motor 302 is fixedly installed on the top of mounting plate 301, rotating rod 303 one end is fixedly connected with the output end of rotary motor 302, and the other end of rotating rod 303 is connected with the inner wall of box 1 by bearing and is rotatably connected with the outer wall of box 1, eccentric wheel 304 is fixedly sleeved on the outer wall of rotating rod 303, the number of eccentric wheel 304 is three, three eccentric wheels 304 are evenly arranged on rotating rod 303, by setting multiple eccentric wheels 304, it is to improve the knocking effect, side plate 305 is fixedly connected on the back of box 1, one end of reciprocating screw rod 306 is rotatably connected with the side of side plate 305 by bearing, driving pulley 307 is fixedly sleeved on rotating rod 303, and driven pulley 307 is fixedly sleeved on reciprocating screw rod 306, collection box 308 is fixedly connected on the back of box 1, dust collector 309 is fixedly installed on the top of collection box 308, and the output end of dust collector 309 is communicated with collection box 308, one end of folding hose 310 is communicated with the input end of dust collector 309, one end of dust extraction pipe 311 is communicated with the other end of folding hose 310, moving block 312 is threadedly sleeved on reciprocating screw rod 306, and moving block 312 is slidably connected with the back of box 1, rotary damper 313 is installed on the top of moving block 312, and rotary damper 313 is connected with dust extraction pipe 311.

[0030] In this embodiment, by setting a rotating motor 302, the eccentric wheel 304 can be driven to rotate, thereby knocking the bottom of the screening frame 2, avoiding blockage of the screening frame 2 while also improving the screening effect. By setting a vacuum cleaner 309 and a dust suction pipe 311, the dust generated during the screening process can be absorbed, improving the on-site environment and the health of the operator. By setting a reciprocating screw 306, the dust suction pipe 311 can be driven to move left and right, thereby increasing the dust collection range.

[0031] Example 2

[0032] like Figures 1-5 As shown, on the basis of embodiment 1, the utility model provides a technical solution: preferably, a lifting mechanism 4 is provided on the box body 1, and the lifting mechanism 4 includes a placement seat 401, a lifting plate 402, a slide 403, a guide rail 404, a linear motor 405, and a cylindrical block 406. The placement seat 401 is slidably connected to the inner wall of the box body 1, and the top of the placement seat 401 contacts the bottom of the screening frame 2, the bottom end of the lifting plate 402 is hinged to the inner wall of the box body 1, and the top of the lifting plate 402 conflicts with the bottom of the placement seat 401, the slide 403 is opened on the side of the lifting plate 402, the guide rail 404 is fixedly installed on the inner wall of the box body 1, and the linear motor 405 It is arranged on the guide rail 404, the cylindrical block 406 is fixedly connected to the linear motor 405, and the cylindrical block 406 is slidably connected to the inner wall of the slide groove 403. There are two lifting plates 402, and a connecting rod is fixedly connected between the two lifting plates 402. The connecting rod is provided to facilitate the simultaneous movement of the two lifting plates 402. A limiting groove 6 is provided on the inner wall of the box 1, and the inner wall of the limiting groove 6 is slidably connected to the limiting block 7, and the limiting block 7 is fixedly connected to the placement seat 401. By providing the limiting groove 6 and the limiting block 7, the position of the placement seat 401 can be limited while providing support force to the placement seat 401, thereby improving the stability of the placement seat 401.

[0033] In this embodiment, by setting a linear motor 405 and a cylindrical block 406, one end of the lifting plate 402 can be driven to swing, thereby driving the placement seat 401 to rise and fall, making it convenient to remove the screening frame 2 after the screening is completed, and to facilitate the removal of the activated carbon that has not passed the screening.

[0034] The working principle of this screening device that can avoid blockage is described in detail below.

[0035] like Figures 1-5As shown, when in use, the activated carbon to be screened is poured into the screening frame 2, the rotating motor 302 is started to drive the rotating rod 303 to rotate, thereby driving the eccentric wheel 304 to rotate, knocking the bottom of the screening frame 2, thereby screening the activated carbon in the screening frame 2 through vibration, the dust collector 309 is started to generate suction force of the dust collection pipe 311 to collect the dust generated in the vibration process, at the same time, the rotating rod 303 rotates to drive the reciprocating wire rod 306 to rotate through the belt pulley 307, thereby driving the moving block 312 to move left and right, thereby driving the dust collection pipe 311 to move left and right, improving the dust collection range, after screening is completed, the screened activated carbon falls into the collection frame 5 for collection, the unqualified activated carbon remains in the screening frame 2, the dust collection pipe 311 is first rotated by the rotary damper 313 to make the dust collection pipe 311 behind the box body 1, avoiding the dust collection pipe 311 blocking the screening frame 2, the linear motor 405 is started to drive the cylindrical block 406 to move forward, thereby driving one end of the lifting plate 402 to rise under the action of the cylindrical block 406 and the chute 403, thereby lifting the placement seat 401, the placement seat 401 drives the screening frame 2 to rise, facilitating taking down the screening frame 2, and reprocessing the unqualified activated carbon.

Claims

1. A clogging-avoiding screening device comprising a box (1), characterized in that: The inside of the box (1) is provided with a screening frame (2), and the box (1) is provided with a dust suction mechanism (3); The dust suction mechanism (3) comprises a mounting plate (301), a rotary motor (302), a rotating rod (303), an eccentric wheel (304), a side plate (305), a reciprocating wire rod (306), a belt pulley (307), a collection box (308), a dust suction machine (309), a folding hose (310), a dust suction pipe (311), a moving block (312), a rotary damper (313); The mounting plate (301) is fixedly connected to the side of the box (1), the rotary motor (302) is fixedly installed on the top of the mounting plate (301), one end of the rotating rod (303) is fixedly connected with the output end of the rotary motor (302), and the other end of the rotating rod (303) penetrates the outer wall of the box (1) through a bearing and is rotatably connected with the inner wall of the box (1), the eccentric wheel (304) is fixedly sleeved on the outer wall of the rotating rod (303), the side plate (305) is fixedly connected to the back of the box (1), one end of the reciprocating wire rod (306) penetrates the side of the side plate (305) through a bearing and is rotatably connected with the side plate (305), the driving wheel of the belt pulley (307) is fixedly sleeved on the rotating rod (303), and the driven wheel of the belt pulley (307) is fixedly sleeved on the reciprocating wire rod (306), the collection box (308) is fixedly connected to the back of the box (1), the dust suction machine (309) is fixedly installed on the top of the collection box (308), and the output end of the dust suction machine (309) is in communication with the collection box (308), one end of the folding hose (310) is in communication with the input end of the dust suction machine (309), one end of the dust suction pipe (311) is in communication with the other end of the folding hose (310), the moving block (312) is threadedly sleeved on the reciprocating wire rod (306), and the moving block (312) is slidably connected with the back of the box (1), and the rotary damper (313) is installed on the top of the moving block (312) and connected with the dust suction pipe (311).

2. A clog-avoiding screening device according to claim 1, characterized in that: The number of the eccentric wheels (304) is three, and the three eccentric wheels (304) are evenly arranged on the rotating rod (303).

3. A clog resistant screening device according to claim 1, wherein: The box (1) is provided with a lifting mechanism (4), the lifting mechanism (4) includes a placing seat (401), a lifting plate (402), a sliding groove (403), a guide rail (404), a linear motor (405), a cylindrical block (406), the placing seat (401) is in sliding connection with the inner wall of the box (1), and the top of the placing seat (401) is in contact with the bottom of the screening frame (2), the bottom end of the lifting plate (402) is hinged to the inner wall of the box (1), and the top end of the lifting plate (402) is in contact with the bottom of the placing seat (401), the sliding groove (403) is formed in the side surface of the lifting plate (402), the guide rail (404) is fixedly installed on the inner wall of the box (1), the linear motor (405) is arranged on the guide rail (404), and the cylindrical block (406) is fixedly connected to the linear motor (405) and in sliding connection with the inner wall of the sliding groove (403).

4. A clog resistant screening device according to claim 3, wherein: The number of the lifting plate (402) is two, and the two lifting plates (402) are fixedly connected with a connecting rod.

5. A clog resistant screening device according to claim 1, wherein: The front of the box (1) is provided with a placing opening, and the inner wall bottom of the box (1) is provided with a collecting frame (5).

6. A clog resistant screening device according to claim 3, wherein: The inner wall of the box (1) is provided with a limiting groove (6), the inner wall of the limiting groove (6) is in sliding connection with a limiting block (7), and the limiting block (7) is fixedly connected with the placing seat (401).

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