CN109499863B

CN109499863B - Material multilayer sieving mechanism for chemical industry

Info

Publication number: CN109499863B
Application number: CN201811219765.9A
Authority: CN
Inventors: 张孟齐
Original assignee: Zhejiang Yongning Pharmaceutical Co Ltd
Current assignee: Zhejiang Yongning Pharmaceutical Co Ltd
Priority date: 2018-10-19
Filing date: 2018-10-19
Publication date: 2021-08-06
Anticipated expiration: 2038-10-19
Also published as: CN113289890A; CN109499863A

Abstract

The invention relates to the technical field of chemical material processing, and discloses a chemical material multilayer screening device which comprises a device body, wherein the top of the device body is communicated with a feeding pipe, the left side and the right side of the inner wall of the device body are fixedly provided with buffering limiting mechanisms, the bottom of each buffering limiting mechanism is fixedly provided with a fixed plate, a first-stage screen box is fixedly connected between the opposite ends of the two fixed plates, and a first transmission mechanism is fixedly arranged between the left inner wall and the right inner wall of the device body. The invention solves the problems that the prior chemical material screening effect is poor, higher-level classification cannot be realized, the subsequent processing quality cannot be improved, and the noise generated by equipment during working influences the working state of workers, and achieves the effects of screening the chemical materials at multiple levels, improving the working efficiency, ensuring the later-stage chemical material processing quality, reducing noise pollution and improving the working efficiency of the workers.

Description

Material multilayer sieving mechanism for chemical industry

Technical Field

The invention relates to the technical field of chemical material processing, in particular to a multi-layer screening device for chemical materials.

Background

Chemical industry is short for "chemical process", "chemical industry", "chemical engineering", and the like. The technology of changing the composition, structure or synthesizing new substances by chemical methods belongs to the chemical production technology, i.e. chemical process, the obtained products are called chemicals or chemical products, at first, the production of the products is manual workshop, and then, the products are evolved into factories, and a specific production industry, i.e. chemical industry, is gradually formed.

The separation process can be regarded as two stages of material layering and fine particle screening, wherein the material layering is a condition for completing the separation, and the purpose of separating fine particles is that the fine particles are suitable for screening.

At the early stage of chemical material production, materials can be screened and classified, and subsequent production is facilitated in many ways, but at present, the existing chemical material screening device only screens in one step, and screened sliding materials still have certain difference and cannot be layered more finely, and the processing effect at the later stage is not good enough, so that a device capable of screening in multiple layers is needed, for example, a chemical material screening device is disclosed in Chinese patent No. CN201720519004.X, wherein an electric cabinet controls a motor to drive a rotating column to rotate under the matching of a rotating shaft, a first bearing and a second bearing, a movable rod slides in a second sliding chute which is arranged on the outer surface of the rotating column, the trend of the second sliding chute is a closed elliptic arc shape, under the matching of two through holes and two sliding sleeves, the movable rod drives a sliding rod to do left-right reciprocating motion, under the matching of a bolt, a pulley and the first sliding chute, the slide bar drives the material groove and does left and right reciprocating motion, because of the inertia effect, the material in the material groove can shake and rock left and right, under the cooperation of hole, the material in the material groove can be screened and separated, the device can screen and separate chemical materials, but can't separate great, moderate and less chemical materials once more, in the higher more detailed processing of follow-up requirement, can't realize high-quality processing production, and can produce great noise pollution in the processing of screening, the mental state of staff has been seriously influenced, lead to mental fatigue, the efficiency of work has been influenced, therefore we have proposed a chemical material multilayer sieving mechanism, in order to solve this kind of condition.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a multi-layer screening device for chemical materials, which solves the problems that the existing chemical material screening effect is poor, higher-level classification cannot be realized, the subsequent processing quality cannot be improved, and the working state of workers is influenced by noise generated when equipment works.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a chemical material multilayer screening device comprises a device body, wherein the top of the device body is communicated with an inlet pipe, the left side and the right side of the inner wall of the device body are fixedly provided with buffering limiting mechanisms, the bottom of each buffering limiting mechanism is fixedly provided with a fixed plate, a first-level screen box is fixedly connected between the opposite ends of the two fixed plates, a first transmission mechanism is fixedly arranged between the left inner wall and the right inner wall of the device body, the left side of the inner wall of the device body is movably connected with a rotating shaft through a fixed bearing, the left end of the rotating shaft is fixedly connected with a first gear, the middle part of the right side surface of the device body is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft, which is far away from the motor, penetrates through the device body and is fixedly connected with a second gear which is meshed with the first gear above, the left side of the inner wall of the device body is fixedly connected with a fixed rod, the right end of the fixed rod is fixedly connected with a funnel, the bottom of the funnel is communicated with two symmetrical conduits, the middle part of the bottom of the funnel is fixedly connected with a vertical connecting rod, a triangular plate is fixedly connected at one end of the vertical connecting rod, which is far away from the funnel, two inclined planes at the bottom of the triangular plate are fixedly connected with a hairbrush, a second transmission mechanism is fixedly arranged between the inner walls of the two sides of the device body, a secondary sieve box is arranged on the second transmission mechanism, the middle part of the bottom of the secondary sieve box is communicated with a discharge pipe, and one end of the discharge pipe, which is far away from the secondary sieve box, penetrates through and extends to the lower part of the device body, a valve is fixedly arranged on the outer surface of the discharge pipe, and the valve is positioned outside the device body, an annular collecting box is fixedly arranged on the inner bottom wall of the device body, and two symmetrical shock absorption and noise reduction mechanisms are fixedly arranged at the bottom of the device body.

Preferably, buffering stop gear includes the safety cover, the both sides swing joint of safety cover inner wall has the slide, two symmetrical branches of bottom fixedly connected with of slide, the bottom of branch run through the safety cover and with the top fixed connection of fixed plate, the top of slide articulates through the cotter has the atress support, the top swing joint of atress support has the atress pole, the round rolling disc of one end fixedly connected with of atress pole is kept away from to the atress pole, and the atress pole is located the below that round rolling disc is close to atress pole one side, the walking groove has been seted up at the middle part of the surface of round rolling disc, the equal fixed mounting in both sides of safety cover inner wall has two lantern rings, the inner circle of lantern ring is the spacing live-wheel of ring range, and the inside at the walking groove of one end joint that the safety cover inner circle was kept away from to the spacing live-wheel.

Preferably, first drive mechanism includes the bull stick, swing joint between the both sides of bearing frame and device body inner wall is passed through respectively at the both ends of bull stick, the fixed surface of bull stick has cup jointed two symmetrical cams, and the cam keeps away from the one end of bull stick and the bottom overlap joint of fixed plate, the fixed cover in right side of bull stick surface has connect the third gear, the second gear of the below of third gear meshes mutually.

Preferably, second drive mechanism includes ring platform and ring board, the middle part at ring bench top is seted up flutedly, the top of ring board is provided with and is the straight-teeth gear that the ring form was arranged, the top of straight-teeth gear meshes with the first gear of top mutually, the bottom fixedly connected with two sets of symmetrical supports of ring board, and it has the pulley to articulate through the cotter between every group support, and the bottom overlap joint of pulley is on the inner wall of recess.

Preferably, vibration/noise reduction mechanism is including stabilizing the seat, and the top of stabilizing the seat and the bottom fixed connection of device body, the interior roof fixedly connected with ring seat of stabilizing the seat, the bottom fixedly connected with of ring seat is the spring that the ring form distributes, the bottom fixedly connected with steadying plate of spring, the support column that the three equidistance of bottom fixedly connected with of steadying plate was arranged, the bottom of support column runs through and stabilizes seat and fixedly connected with base, and the base is located the below of stabilizing the seat.

Preferably, the bottom of the primary sieve box is flush with the bottom of the fixed plate, and the funnel is located between the primary sieve box and the secondary sieve box.

Preferably, the outer surface of the collecting box is in lap joint with the inner side wall of the device body, and a gap is reserved between the side face of the fixing plate and the inner wall of the side face of the device body.

Preferably, the shape of second grade sieve case is for leaking hopper-shaped, two pipes are located the top that is higher near the interior diapire inclined plane of second grade sieve incasement respectively.

Preferably, the bottom of the first-level screen box and the bottom of the second-level screen box are both provided with drain holes which are arranged at equal intervals, and the diameter value of the drain hole of the first-level screen box is larger than that of the drain hole on the second-level screen box.

The working principle is as follows: when the device works, chemical materials to be screened are placed into a primary screen box in the device body from a feeding pipe, a motor is started, a rotating shaft simultaneously drives a first gear and a straight gear to rotate, the first gear drives a third gear to rotate through a second gear, so that a time rotating rod rotates, a cam pushes a fixed plate to move up and down, under the action of a first spring and a sliding plate, rebounding is carried out to drive a supporting rod to move downwards, so that the primary screen box shakes, the chemical materials with larger size for primarily screening the chemical materials are left in the primary screen box, the primarily screened chemical materials fall into a funnel, are guided to the high part of an inner bottom inclined plane of a secondary screen box through two guide pipes, the first gear drives the straight gear to rotate, a pulley and a groove are matched to slide, so that a circular plate drives the secondary screen box to rotate, and a triangular plate and a brush are driven to rotate through a transmission shaft in cooperation with a second motor, effectual inner diapire with second grade sieve case sweeps, and then to chemical material's secondary screening, and the less chemical material of volume falls to collect in the collecting box through second grade sieve case, and the chemical industry raw materials that the volume is moderate relatively passes through the discharging pipe and discharges to outside collection, treat to screen the end after close the motor can.

(III) advantageous effects

Compared with the prior art, the invention provides a multi-layer screening device for chemical materials, which has the following beneficial effects:

1. according to the invention, through the arrangement of the protective cover, the sliding plate, the supporting rod, the stress support, the stress rod, the walking groove and the lantern ring, under the action of the circular rotating disc and the limiting rotating wheel, the stress rod can rotate in a circular path, and the supporting rod is driven to move up and down through the cooperation with the stress support, so that the slow descending of the fixed plate during the downward movement is realized, the damage caused by the direct falling and collision of the first-stage sieve box is avoided, the stability of the first-stage sieve box during the upward and downward shaking is ensured, and the condition that the first-stage sieve box is inclined and unstable in movement is avoided.

2. According to the invention, through the arrangement of the rotating rod, the cam, the third gear, the rotating shaft and the second gear, the first gear can be driven to rotate under the action of the motor, the first gear drives the third gear to rotate through the second gear, so that the rotating rod is driven to rotate, the two cams are driven to rotate, and the first spring is matched with the second spring so as to drive the fixing plate to shake up and down, so that the first-class screening of chemical materials is carried out by the first-class screening box, the uniform shaking of the first-class screening box is ensured, and the screening efficiency is improved.

3. According to the invention, through the arrangement of the circular ring table, the circular ring plate, the groove, the straight gear, the bracket and the pulley, under the action of the motor, the straight gear can be driven to rotate through the first gear, and through the matching of the circular ring plate and the pulley, the circular ring plate drives the second-stage sieve box to rotate, so that chemical materials with relatively medium volume and chemical materials with relatively small volume can be effectively classified, the classification level is improved, the later-stage processing of the chemical materials is more convenient, and the higher processing quality is also ensured.

4. According to the invention, through the arrangement of the fixed seat, the circular ring seat, the stabilizing plate, the supporting column and the base, under the action of the spring, the vibration force of the device body during working is relieved through the elasticity of the spring, so that the noise pollution caused by vibration is reduced, the good working environment of workers is effectively ensured, and the working efficiency of the workers is improved.

5. According to the invention, through the arrangement of the fixed rod, the funnel and the guide pipe, the funnel is arranged into two guide ports, so that chemical materials screened on the primary screen box can be effectively divided into two parts which are respectively guided to the high positions of the inclined surface of the secondary screen box, and the time for screening the chemical materials on the secondary screen box is increased through the rotation of the secondary screen box, so that the chemical materials are subdivided more efficiently, and the screening efficiency is ensured.

6. According to the invention, the triangular plate and the hairbrush are arranged, so that the hairbrush can relatively rotate under the action of the rotating second-stage sieve box, chemical materials on the second-stage sieve box are swept to swing, the chemical materials are further dispersed more uniformly, the screening efficiency of the second-stage sieve box is improved, and the chemical materials are classified more carefully.

Drawings

FIG. 1 is a cross-sectional view of a front view of the body of the device of the present invention;

fig. 2 is a top view of the spur gear of the present invention;

FIG. 3 is a cross-sectional view of a front view of the cushioning and spacing mechanism of the present invention;

FIG. 4 is a partial cross-sectional view of a circular rotating disk of the present invention

FIG. 5 is a side view of the cam of the present invention;

FIG. 6 is a cross-sectional view of a front view of the vibration and noise reduction mechanism of the present invention;

FIG. 7 is a cross-sectional view of a top view of the vibration and noise reduction mechanism of the present invention;

FIG. 8 is a front elevational view of the first drive mechanism of the present invention;

FIG. 9 is a front elevational view of a second transmission of the present invention;

fig. 10 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.

In the figure: the device comprises a device body 1, a feeding pipe 2, a buffering limiting mechanism 3, a 301 protective cover, a 302 sliding plate, a 303 supporting rod, a 304 stressed support, a 305 stressed rod, a 306 circular rotating disk, a 307 walking groove, a 308 lantern ring, a 309 limiting rotating wheel, a 4 fixing plate, a 5 primary sieve box, a 6 first transmission mechanism, a 601 rotating rod, a 602 cam, a 603 third gear, a 7 rotating shaft, a 8 first gear, a 9 motor, a 10 rotating shaft, a 11 second gear, a 12 fixing rod, a 13 funnel, a 14 guide pipe, a 15 vertical connecting rod, a 16 triangular plate, a 17 hairbrush, an 18 second transmission mechanism, a 1801 circular ring table, a 1802 circular ring plate, a 1803 groove, 1804 spur gear, 1805 support, 1806 pulley, a 19 secondary sieve box, a 20 discharging pipe, a 21 collecting box, a 22 vibration and noise reduction mechanism, 2201 stabilizing seat, 2202 circular ring seat, 2203 spring, 2204 stabilizing plate, 2205 supporting column and 2206 base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 8, the present invention provides a technical solution: the utility model provides a chemical industry is with material multilayer sieving mechanism, includes device body 1, the top intercommunication of device body 1 has inlet pipe 2, the equal fixed mounting in the left and right sides of device body 1 inner wall has buffering stop gear 3, buffering stop gear 3 includes safety cover 301, the both sides swing joint of safety cover 301 inner wall has slide 302, the bottom fixedly connected with two symmetrical branches 303 of slide 302, the bottom of branch 303 runs through safety cover 301 and with the top fixed connection of fixed plate 4, the top of slide 302 is articulated through the round pin bolt and is had atress support 304, the top swing joint of atress support 304 has atress pole 305, the one end fixedly connected with circular rolling disc 306 that atress pole 305 was kept away from to atress pole 305, and atress pole 305 is located the below that circular rolling disc 306 is close to atress pole 305 one side, walking groove 307 has been seted up in the middle part of the surface of circular rolling disc 306, the two sides of the inner wall of the protective cover 301 are fixedly provided with two lantern rings 308, the inner ring of the lantern ring 308 is a limit rotating wheel 309 arranged in a circular ring, one end of the limit rotating wheel 309 far away from the inner ring of the protective cover 301 is clamped inside the walking groove 307, the bottom of the buffering limiting mechanism 3 is fixedly provided with a fixed plate 4, two opposite ends of the fixed plate 4 are fixedly connected with a first-level sieve box 5, the bottoms of the first-level sieve box 5 and a second-level sieve box 19 are respectively provided with a leak hole arranged at equal intervals, the diameter value of the leak hole of the first-level sieve box 5 is larger than that of the leak hole of the second-level sieve box 19, the bottom of the first-level sieve box 5 is flush with the bottom of the fixed plate 4, the situation that the bottom of the first-level sieve box 5 and the rotating rod 601 rub or collide when the fixed plate 4 moves down is avoided, the funnel 13 is positioned between the first-level sieve box 5 and the second-level sieve box 19, a first transmission mechanism 6 is fixedly installed between the left inner wall and the right inner wall of the device body 1, the first transmission mechanism 6 comprises a rotating rod 601, two ends of the rotating rod 601 are respectively and movably connected with two sides of the inner wall of the device body 1 through bearing seats, two symmetrical cams 602 are sleeved on the outer surface of the rotating rod 601, one end, far away from the rotating rod 601, of each cam 602 is connected with the bottom of the corresponding fixing plate 4 in a lap joint mode, the cams 602 rotate back and forth to enable the fixing plates 4 to rock up and down, screening work of the first-stage screen box 5 is completed under the cooperation of the first springs 304, a third gear 603 is fixedly sleeved on the right side of the outer surface of the rotating rod 601, a second gear 11 below the third gear 603 is meshed with each other, the left side of the inner wall of the device body 1 is movably connected with a rotating shaft 7 through a fixing bearing, the left end of the rotating shaft 7 is fixedly connected with a first gear 8, and the middle part of the right side surface of the device body 1 is fixedly connected with a motor 9, the energy consumption and the input cost are effectively reduced by driving two mechanisms to transmit through a motor 9, an output shaft of the motor 9 is fixedly connected with a rotating shaft 10, one end of the rotating shaft 10, far away from the motor 9, penetrates through the device body 1 and is fixedly connected with a second gear 11, the second gear 11 is meshed with a first gear 8 above, the left side of the inner wall of the device body 1 is fixedly connected with a fixed rod 12, the right end of the fixed rod 12 is fixedly connected with a funnel 13, the bottom of the funnel 13 is communicated with two symmetrical guide pipes 14, the middle part of the bottom of the funnel 13 is fixedly connected with a vertical connecting rod 15, one end of the vertical connecting rod 15, far away from the funnel, is fixedly connected with a triangular plate 16, two inclined planes at the bottom of the triangular plate 16 are fixedly connected with a hairbrush 17, a gap is left between the hairbrush 17 and the surface of the inner bottom wall of the secondary sieve box, a second transmission mechanism 18 is fixedly installed between the inner walls of the two sides of the device body 1, the second transmission mechanism 18 comprises a circular ring table 1801 and a circular ring plate 1802, a groove 1803 is formed in the middle of the top of the circular ring table 1801, straight gears 1804 arranged in a circular ring shape are arranged at the top of the circular ring plate 1802, the top of each straight gear 1804 is meshed with a first gear 8 above the straight gear 1804, two groups of symmetrical supports 1805 are fixedly connected to the bottom of the circular ring plate 1802, pulleys 1806 are hinged between each group of supports 1805 through bolts, the bottoms of the pulleys 1806 are lapped on the inner walls of the grooves 1803, the top of each groove 1803 is in a circular ring shape, the pulleys 1806 can effectively slide on the grooves 1803 to limit the circular ring plate 1802, so that the secondary sieve box 19 can effectively screen chemical materials, the secondary sieve box 19 is arranged on the second transmission mechanism 18, and the secondary sieve box 19 is funnel-shaped, the two guide pipes 14 are respectively positioned above the inclined planes of the inner bottom wall of the second-stage sieve box 19 and can increase the movement distance of chemical materials on the second-stage sieve box 19 when the second-stage sieve box 19 rotates, so that the screening work can be more uniformly carried out, the middle part of the bottom of the second-stage sieve box 19 is communicated with the discharge pipe 20, one end, far away from the second-stage sieve box 19, of the discharge pipe 20 penetrates through and extends to the lower part of the device body 1, a valve is fixedly arranged on the outer surface of the discharge pipe 20 and can effectively control the discharge of the discharge pipe 20, the replacement of a box for receiving materials by workers is facilitated, the leakage situation is avoided, the valve is positioned outside the device body 1, an annular collecting box 21 is fixedly arranged on the inner bottom wall of the device body 1, the chemical materials leaked from the second-stage sieve box 19 can be effectively collected in an all-round manner, and the situation that the collection difficulty in collection caused by the omission outside the collecting box 21 is avoided, the outer surface of the collection box 21 and the inner side wall of the device body 1 are in lap joint, so that the situation that chemical materials screened by the secondary screen box 19 fall outside the collection box 21 is avoided, a gap is reserved between the side surface of the fixing plate 4 and the inner wall of the side surface of the device body 1, and the situation that the fixing plate 4 rubs with the inner wall of the device body 1 during up-and-down movement is avoided, two symmetrical vibration and noise reduction mechanisms 22 are fixedly installed at the bottom of the device body 1, each vibration and noise reduction mechanism 22 comprises a stabilizing seat 2201, the top of each stabilizing seat 2201 is fixedly connected with the bottom of the device body 1, a circular ring seat 2202 is fixedly connected with the inner top wall of each stabilizing seat 2201, springs 2203 distributed in a circular ring shape are fixedly connected with the bottom of each circular ring seat 2202, the vertical length value between each spring 2203 is five centimeters, a stabilizing plate 2204 is fixedly connected with the bottom of each spring 2203, the bottom of the stabilizing plate 2204 is fixedly connected with three support columns 2205 which are arranged equidistantly, the bottom of each support column 2205 penetrates through the stabilizing seat 2201 and is fixedly connected with a base 2206, and the base 2206 is positioned below the stabilizing seat 2201.

The inclination angle of the bottom wall in the further secondary screen box 19 is the same as the inclination angle of the bottom of the brush 17.

The top of the further force-bearing bracket 304 is movably connected with the force-bearing rod 305 through a collar 308, and a gap is left between the bottom of the force-bearing bracket 304 and the top of the sliding plate 302, so as to ensure that the force-bearing bracket 304 is more flexible and stable when swinging back and forth.

The front of further equipment body 1 is provided with the chamber door, has made things convenient for the staff to take out the inside chemical material of collecting box 21, conveniently maintains the inspection to the mechanism part of equipment body 1 inside simultaneously.

The working principle is as follows: in operation, chemical materials to be screened are put into the primary screen box 5 in the device body 1 from the feeding pipe 2, the motor 9 is started, the rotating shaft 10 simultaneously drives the first gear 8 and the straight gear 1804 to rotate, the first gear 8 rotates through the second gear 11 to drive the third gear 603, so that the time rotating rod 601 rotates, the cam 602 pushes the fixed plate 4 to move up and down, thereby driving the support rod 303 to move up and push the sliding plate 302 to move up and move, under the action of the stress bracket 304 and the stress rod 305, the circular rotating disc 306 rotates in cooperation with the limiting rotating wheel 309, thereby the support rod 303 drives the fixed plate 4 to gradually and slowly fall down, thereby realizing the up and down shaking of the primary screen box 5, the chemical materials with larger primary screening volume for the chemical materials are left in the primary screen box 5, the chemical materials after primary screening fall in the funnel 13 and are guided to the high position of the inclined plane in the secondary screen box 19 through the two guide pipes 14, through the rotation of first gear 8 drive spur gear 1804, pulley 1806 slides with recess 1803's cooperation, make ring board 1802 drive second grade sieve case 19 and rotate, at cooperation set-square 16 and brush 17, effectual inner diapire with second grade sieve case 19 sweeps, and then the secondary screening to chemical material, the less chemical material of volume falls through second grade sieve case 19 and collects in collecting box 21, the chemical raw materials that the volume is moderate relatively discharges to outside through discharging pipe 20 and collects, it can to close motor 9 after the screening is finished.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In summary, by the arrangement of the protective cover 301, the sliding plate 302, the supporting rod 303, the stressed bracket 304, the stressed rod 305, the walking groove 307 and the sleeve ring 309, under the action of the circular rotating disc 306 and the limiting rotating wheel 309, the stressed rod 305 can rotate in a circular path, and the supporting rod 303 is driven to move up and down by matching with the stressed bracket 304, so that slow descending when the fixing plate 304 moves down is realized, damage caused by direct falling and collision of the primary sieve box 5 is avoided, more stability of the primary sieve box 5 during up-and-down shaking is ensured, and a situation that the primary sieve box 5 is skewed and unstable is moved is avoided, by the arrangement of the rotating rod 601, the cam 602, the third gear 603, the rotating shaft 10 and the second gear 11, under the action of the motor 9, the first gear 8 can be driven to rotate, the first gear 8 drives the third gear 603 to rotate through the second gear 11, so that the rotating rod 601 rotates, the two cams 602 are driven to rotate, under the coordination of the first spring 305, the fixing plate 4 is driven to shake up and down, the first-level screen box 5 is enabled to screen a first type of chemical materials, the uniform shaking of the first-level screen box 5 is ensured, the screening efficiency is improved, through the arrangement of the circular ring platform 1801, the circular ring plate 1802, the groove 1803, the straight gear 1804, the support 1805 and the pulley 1806, under the action of the motor 9, the rotation of the straight gear 1804 can be driven through the first gear 8, through the coordination with the pulley 1806, the circular ring plate 1802 drives the second-level screen box 19 to rotate, the chemical materials with relatively medium volume and the chemical materials with small volume are effectively classified, the classification level is improved, the later-stage processing of the chemical materials is more convenient, the processing quality is also ensured to be higher, through the arranged stabilizing seat 2201, the circular ring seat 2202, the stabilizing plate 2204, the supporting column 2205 and the base 2206, under the action of the spring 2203, the force of vibration of the device body 1 during working is relieved through the elasticity of the spring 2003, so that noise pollution caused by vibration is reduced, a good working environment is effectively ensured for workers, the working efficiency of the workers is improved, the funnel 13 is arranged into two leading ports through the fixed rod 12, the funnel 13 and the guide pipe 14, chemical materials screened on the primary screen box 5 can be effectively divided into two parts which are respectively guided to the high positions of the inclined plane of the secondary screen box 19, the screening time of the chemical materials on the secondary screen box 19 is prolonged through the rotation of the secondary screen box 19, the chemical materials are further subdivided more efficiently, the screening efficiency is ensured, the hairbrush 17 can relatively rotate under the action of the rotating secondary screen box 19 through the triangular plate 16 and the hairbrush 17, thereby sweep the chemical material on the second grade sieve case 19 and swing, further make chemical material dispersion more even, improved second grade sieve case 19's screening efficiency, make chemical material categorised more careful, it is poor to have solved current chemical material screening effect, can't realize higher level's classification, leads to subsequent processingquality to obtain not improving to the noise that equipment produced at the during operation influences staff operating condition's problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a material multilayer sieving mechanism for chemical industry, includes device body (1), its characterized in that: the device is characterized in that the top of the device body (1) is communicated with an inlet pipe (2), the left side and the right side of the inner wall of the device body (1) are fixedly provided with buffering limiting mechanisms (3), each buffering limiting mechanism (3) is fixedly provided with a fixing plate (4) at the bottom, two first-level screen boxes (5) are fixedly connected between the opposite ends of the fixing plates (4), a first transmission mechanism (6) is fixedly arranged between the left inner wall and the right inner wall of the device body (1), the left side of the inner wall of the device body (1) is movably connected with a rotating shaft (7) through a fixing bearing, the left end of the rotating shaft (7) is fixedly connected with a first gear (8), the middle part of the right side surface of the device body (1) is fixedly connected with a motor (9), the output shaft of the motor (9) is fixedly connected with a rotating shaft (10), one end, far away from the motor (9), of the rotating shaft (10) penetrates through the device body (1) and is fixedly connected with a second gear (11), and second gear (11) mesh with first gear (8) of top mutually, device body (1) inner wall's left side fixedly connected with dead lever (12), right-hand member fixedly connected with funnel (13) of dead lever (12), the bottom intercommunication of funnel (13) has two symmetrical pipe (14), the perpendicular connecting rod of middle part fixedly connected with (15) of funnel (13) bottom, the one end fixedly connected with set-square (16) of funnel are kept away from in perpendicular connecting rod (15), the equal fixedly connected with brush (17) in two inclined planes of set-square (16) bottom, fixed mounting has second drive mechanism (18) between the inner wall of device body (1) both sides, second grade sieve case (19) that set up on second drive mechanism (18), the middle part intercommunication of the bottom of second grade sieve case (19) has discharging pipe (20), and discharging pipe (20) keep away from the one end of second grade sieve case (19) and run through and extend to the lower of device body (1) down The outer surface of the discharge pipe (20) is fixedly provided with a valve, the valve is positioned outside the device body (1), the inner bottom wall of the device body (1) is fixedly provided with an annular collecting box (21), and the bottom of the device body (1) is fixedly provided with two symmetrical damping and noise reducing mechanisms (22);

the buffering limiting mechanism (3) comprises a protective cover (301), sliding plates (302) are movably connected to two sides of the inner wall of the protective cover (301), two symmetrical supporting rods (303) are fixedly connected to the bottom of each sliding plate (302), the bottom ends of the supporting rods (303) penetrate through the protective cover (301) and are fixedly connected with the top of a fixing plate (4), a stress support (304) is hinged to the top of each sliding plate (302) through a pin bolt, a stress rod (305) is movably connected to the top of each stress support (304), a circular rotating disc (306) is fixedly connected to one end, away from the stress rod (305), of each stress rod (305), the stress rod (305) is located below the circular rotating disc (306) close to one side of the stress rod (305), a walking groove (307) is formed in the middle of the outer surface of the circular rotating disc (306), two lantern rings (308) are fixedly mounted on two sides of the inner wall of the protective cover (301), the inner ring of the lantern ring (308) is a limiting rotating wheel (309) which is arranged in a circular ring shape, and one end, far away from the inner ring of the protective cover (301), of the limiting rotating wheel (309) is clamped in the walking groove (307);

the first transmission mechanism (6) comprises a rotating rod (601), two ends of the rotating rod (601) are movably connected with two sides of the inner wall of the device body (1) through bearing seats respectively, two symmetrical cams (602) are fixedly sleeved on the outer surface of the rotating rod (601), one end, far away from the rotating rod (601), of each cam (602) is in lap joint with the bottom of the fixed plate (4), a third gear (603) is fixedly sleeved on the right side of the outer surface of the rotating rod (601), and a second gear (11) below the third gear (603) is meshed with each other;

the second transmission mechanism (18) comprises a circular ring table (1801) and a circular ring plate (1802), a groove (1803) is formed in the middle of the top of the circular ring table (1801), straight gears (1804) which are arranged in a circular ring shape are arranged on the top of the circular ring plate (1802), the tops of the straight gears (1804) are meshed with a first gear (8) above the straight gears, two groups of symmetrical supports (1805) are fixedly connected to the bottom of the circular ring plate (1802), pulleys (1806) are hinged between each group of supports (1805) through pins, and the bottoms of the pulleys (1806) are lapped on the inner wall of the groove (1803);

the damping and noise reducing mechanism (22) comprises a stabilizing seat (2201), the top of the stabilizing seat (2201) is fixedly connected with the bottom of the device body (1), the inner top wall of the stabilizing seat (2201) is fixedly connected with a circular seat (2202), the bottom of the circular seat (2202) is fixedly connected with a spring (2203) distributed in a circular ring shape, the bottom of the spring (2203) is fixedly connected with a stabilizing plate (2204), the bottom of the stabilizing plate (2204) is fixedly connected with three support columns (2205) arranged at equal intervals, the bottom of each support column (2205) penetrates through the stabilizing seat (2201) and is fixedly connected with a base (2206), and the base (2206) is located below the stabilizing seat (2201);

the bottom of the primary sieve box (5) is flush with the bottom of the fixed plate (4), and the funnel (13) is positioned between the primary sieve box (5) and the secondary sieve box (19);

the outer surface of the collecting box (21) is in lap joint with the inner side wall of the device body (1), and a gap is reserved between the side surface of the fixing plate (4) and the inner wall of the side surface of the device body (1);

the secondary screen box (19) is funnel-shaped, and the two guide pipes (14) are respectively positioned above the inclined plane of the bottom wall in the secondary screen box (19);

the bottom of one-level sieve case (5) and second grade sieve case (19) all sets up the small opening that the equidistance was arranged, and the diameter value of the small opening of one-level sieve case (5) is greater than the diameter value of small opening on second grade sieve case (19).