CN106422956B - Pipe chain type feeding homogenizing system - Google Patents
Pipe chain type feeding homogenizing system Download PDFInfo
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- CN106422956B CN106422956B CN201611096358.4A CN201611096358A CN106422956B CN 106422956 B CN106422956 B CN 106422956B CN 201611096358 A CN201611096358 A CN 201611096358A CN 106422956 B CN106422956 B CN 106422956B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/881—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise by weighing, e.g. with automatic discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/892—Forming a predetermined ratio of the substances to be mixed for solid materials, e.g. using belts, vibrations, hoppers with variable outlets or hoppers with rotating elements, e.g. screws, at their outlet
Abstract
The pipe chain type feeding and homogenizing system comprises a raw material bin, a blending and homogenizing warehouse and three groups of pipe chain conveying devices, wherein the three groups of pipe chain conveying devices have the same structure, each group of pipe chain conveying device comprises a vertical pipe chain conveying device, an upper horizontal pipe chain conveying device and a lower horizontal pipe chain conveying device, the vertical pipe chain conveying device is vertically arranged on the left side of the blending and homogenizing warehouse, the upper horizontal pipe chain conveying device is horizontally arranged above the blending and homogenizing warehouse, and the lower horizontal pipe chain conveying device is horizontally arranged below the blending and homogenizing warehouse; the blending homogenizing silo comprises a plurality of groups of blending homogenizing bins which are fixed on the ground side by side; in conclusion, the invention homogenizes materials of different batches in the plurality of mixing bins under the driving of the three pipe chain conveying devices, has reasonable overall structure design and simple operation steps, utilizes the circulating pipe chain to fully homogenize the materials, ensures the production quality of the later-stage alumina polishing powder, and has strong practicability.
Description
Technical Field
The invention belongs to the technical field of raw material homogenization, and particularly relates to a pipe chain type feeding homogenization system.
Background
In the industrial production of the aluminum oxide polishing powder, the situation that raw powder bodies are mixed together is often encountered, so that not only are different products mixed, but also even if the same product is used, when materials are stored in a storage tank, due to the fact that different groups produce the materials, the product batches are different, the physical and chemical properties of the materials, such as particle size distribution, are slightly different, if the raw powder is directly used for production, the finished polishing powder product is seriously affected, and therefore the materials in the tank need to be fully homogenized; the traditional homogenization treatment steps are complex, the energy consumption is high, and the homogenization cost is high.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the pipe chain type feeding homogenization system which has reasonable integral framework design and simple operation steps, utilizes the circulating pipe chain to fully homogenize the materials and ensures the production quality of the alumina polishing powder in the later period.
In order to solve the technical problems, the invention adopts the following technical scheme: the pipe chain type feeding and homogenizing system comprises a raw material bin, a blending and homogenizing warehouse and three groups of pipe chain conveying devices, wherein the three groups of pipe chain conveying devices have the same structure, each group of pipe chain conveying device comprises a vertical pipe chain conveying device, an upper horizontal pipe chain conveying device and a lower horizontal pipe chain conveying device, the vertical pipe chain conveying device is vertically arranged on the left side of the blending and homogenizing warehouse, the upper horizontal pipe chain conveying device is horizontally arranged above the blending and homogenizing warehouse, and the lower horizontal pipe chain conveying device is horizontally arranged below the blending and homogenizing warehouse; the blending homogenizing silo comprises a plurality of groups of blending homogenizing bins which are fixed on the ground side by side;
the discharge port of the raw material bin is connected with the lower part of the vertical pipe chain conveying device through a raw material pipeline, the raw material pipeline is obliquely arranged, the feed port of the raw material pipeline is higher than the discharge port, the upper end of the vertical pipe chain conveying device is connected with the left side part of the upper horizontal pipe chain conveying device through an upper conveying pipeline, the lower end of the vertical pipe chain conveying device is connected with the left side part of the lower horizontal pipe chain conveying device through a lower conveying pipeline, the upper end of the vertical pipe chain conveying device is higher than the left end of the upper horizontal pipe chain conveying device, and the lower end of the vertical pipe chain conveying device is lower than the left end of the lower horizontal pipe chain conveying device; the top of each group of mixing homogenization silo is connected with an upper horizontal pipe chain conveying device through a group of quantitative weighing mechanisms, and the bottom of each group of mixing homogenization silo is connected with a lower horizontal pipe chain conveying device through a group of adjusting and discharging mechanisms.
The lower horizontal pipe chain conveying device comprises a left mounting box, a right mounting box, a speed reducing motor, a driving sprocket, a driven sprocket and a pipe chain tension adjusting mechanism, wherein the left mounting box is fixedly arranged on the left side of the blending homogenization warehouse, the right mounting box is fixedly arranged on the right side of the blending homogenization warehouse, the speed reducing motor is assembled on the left mounting box, two conveying pipelines which are horizontally arranged are arranged between the left mounting box and the right mounting box, and one conveying pipeline is positioned right above the other conveying pipeline; the driving chain wheel is fixed on a main shaft of the speed reducing motor, and a chain falling-off protection mechanism is arranged on the right mounting box; the pipe chain tension adjusting mechanism comprises a frame, a screw rod and four horizontally arranged slide rails, wherein two slide rails are fixed on the inner wall of the front side of the right mounting box, the other two slide rails are fixed on the inner wall of the rear side of the right installation box, the frame is arranged between the four slide rails in a sliding manner, a bearing seat is respectively and fixedly arranged on the front side and the rear side of the frame, the screw rod horizontally penetrates through the right side box wall of the right installation box, the left end of the screw rod is fixed at the right side part of the frame, the right end of the screw rod extends out of the right side box wall of the right installation box, a limiting sleeve penetrating on the screw rod is fixedly arranged on the right side box wall of the right installation box, a spring and a gland with an opening facing left are sleeved on the screw rod, the left side of the spring is positioned in the limiting sleeve, the right side of the spring is positioned in the gland, an adjusting nut positioned on the right side of the gland is in threaded connection with the screw rod, and the left end and the right end of the spring are respectively in jacking fit with the right side box wall of the right installation box and the inner wall of the gland; the driven chain wheel is rotationally connected to the two bearing seats, the central lines of the driving chain wheel and the driven chain wheel are positioned at the same height and are horizontally arranged along the front and the back, the driving chain wheel is in transmission connection with the driven chain wheel through a chain, and a plurality of circular scraping plates are uniformly arranged on the chain at intervals; the chain and all the scrapers are positioned in the two conveying pipelines; the chain is formed by connecting a plurality of chain links, and each chain link is in the shape of a track and field competition field runway;
the chain falling-off protection mechanism comprises a limit switch, a rotating rod and two groups of trigger mechanisms, wherein the limit switch is fixed on the wall of the right installation box and is positioned on a circuit of a speed reduction motor on the left installation box; the rotating rod is rotatably inserted at the upper part of the right mounting box along the front-back horizontal direction, one end of the rotating rod is fixedly provided with a touch rod matched with the limit switch, two groups of touch mechanisms are respectively arranged at the front end and the rear end of the rotating rod, the scraper is positioned between the two groups of touch mechanisms, each touch mechanism comprises a touch rod, the upper end of the touch rod is fixedly provided with a mounting sleeve, the mounting sleeve is sleeved on the rotating rod, and the mounting sleeve is provided with a fastening bolt which is in press fit with the top of the rotating rod; the scraper is positioned between the two touch rods;
the scraper comprises an upper connecting strip, a lower connecting strip and two semicircular plates with the same structural size, wherein the semicircular plates are provided with upper round holes and lower round holes, the upper round holes and the lower round holes are positioned at the upper side and the lower side of the circle center of the semicircular plates, the two semicircular plates are symmetrically arranged in the front and the back direction, the two semicircular plates surround to form a disc-shaped structure, two through holes for penetrating chain rings are arranged at the butt joint position between the two semicircular plates, elastic washers are arranged between the outer walls of the chain rings and the inner walls of the through holes, the two ends of the upper connecting strip are respectively fixed between the two upper round holes through bolts, and the two ends of the lower connecting strip are respectively fixed between the two lower round holes through bolts; the trailing flank of the semicircle board of front side is equipped with protruding rib along length direction, and the leading flank of the semicircle board of rear side is equipped with the bar groove along length direction, and the protruding rib stretches into the assembly at the bar inslot.
The quantitative weighing mechanism comprises a weighing bin fixed above the blending homogenization bin, a conveying pipeline of the upper horizontal pipe chain conveying device is connected with a feeding port of the weighing bin through a first pipeline, a gravity type quantitative discharging valve is arranged on the first pipeline, a discharging port of the weighing bin is connected with the top of the blending homogenization bin through a second pipeline, and a first star-shaped discharger is arranged on the second pipeline;
the gravity type quantitative blanking valve comprises a valve box which is cuboid in shape and is through up and down, two groups of gravity control valve plate components are arranged on the valve box, the two groups of gravity control valve plate components are symmetrically arranged on the left side and the right side of the valve box, each gravity control valve plate component on the left side comprises a valve plate, a long hole is formed in the left side wall of the valve box, the valve plates penetrate through the long holes and are hinged to the left side wall of the valve box through pin shafts arranged in the long holes, the front side edge and the rear side edge of each valve plate are respectively attached to the front side inner wall and the rear side inner wall of the valve box, and a balancing weight is arranged on the left side of each valve plate; the right side edge of the left valve plate is in top pressure fit with the left side edge of the right valve plate; the front side edges and the rear side edges of the two valve plates are both provided with wear-resistant sealing strips.
Adjusting discharge mechanism including connecting the workbin, the upper portion and the lower part of connecting the workbin communicate with two pipeline of lower horizontal line chain conveyor respectively, and the top of connecting the workbin is passed through the third pipeline and is connected with the discharge gate of mixing homogenization feed bin, is equipped with manual butterfly valve and second star type tripper along material flow direction on the third pipeline in proper order, and one side of third pipeline is connected with the bypass pipeline.
The mixing homogenizing stock bin comprises a bin body, the appearance of the upper part of the bin body is a cylinder, the bottom of the bin body is of an inverted cone structure, the bottom of the bin body is plugged, the bottom of the bin body is connected with a mixing bin, a mixing central pipe and six mixing branch pipes are arranged in the bin body, the upper ends of the mixing central pipe and the six mixing branch pipes are fixedly arranged on the inner wall of the top of the bin body, the mixing central pipe is vertically arranged along the central line of the bin body, the six mixing branch pipes are uniformly and vertically arranged around the mixing central pipe, material holes are distributed in the pipe walls of the mixing central pipe and the six mixing branch pipes, partition plate assemblies are arranged in the mixing central pipe and the six mixing branch pipes and divide the inner cavities of the pipes into three parts, each partition plate assembly comprises three baffle plates, one side edges of each baffle plate are connected together, the other side edges of each baffle plate are respectively fixed on the inner wall of each pipe, the included angle between every two adjacent baffle plates is 120 degrees, each baffle is provided with a through hole, and the through holes on the mixing central pipe and the six mixing branch pipes are respectively positioned at different heights; the lower ends of the mixing central pipes extend out of the bottom of the bin body and are connected with the mixing bin, and the lower ends of the six mixing branch pipes extend out of the inverted cone structure of the bin body and are respectively connected with the mixing bin through a connecting pipeline; the discharge hole of the mixing bin is connected with a third pipeline; a bridge erection preventing mechanism is arranged in the mixing bin;
prevent bridging mechanism includes the upper bracket, lower mount and pivot, the upper bracket is fixed at mixing storehouse upside inner wall, the lower mount is fixed at mixing storehouse downside inner wall, the pivot sets up perpendicularly, the upper end of pivot is passed through the bearing and is rotated and connect on the upper bracket, the lower extreme of pivot passes through the bearing and rotates and connect on the mount down, be equipped with helical blade in the pivot, helical blade's outer fringe and mixing storehouse inner wall are laminated mutually, the upper end and the lower extreme of pivot all are equipped with the torsional spring, be equipped with the rope sheave in the pivot, the fixed deflector pulley that is equipped with in mixing storehouse outside upper portion, be connected with the handle after the cotton rope end on the rope sheave is worn out mixing storehouse and is walked around the deflector pulley.
By adopting the technical scheme, the process of homogenizing the materials comprises the following steps: firstly, raw materials are put into a raw material bin, then the raw materials fall into a conveying pipeline of a vertical pipe chain conveying device from the raw material bin, a driving chain wheel drives a chain to drive under the driving of a speed reduction motor, a scraper blade on the chain brings the raw materials into the conveying pipeline of an upper horizontal pipe chain conveying device along the conveying pipeline, then the raw materials respectively enter a blending homogenization bin through a plurality of groups of quantitative weighing mechanisms, wherein the raw materials firstly enter a weighing bin through a first pipeline, then the weighing bin weighs the raw materials, after reaching a certain weight, the raw materials are released and enter a second pipeline, then the raw materials enter a bin body of the blending homogenization bin under the action of a first star-shaped discharger, the raw materials are blended in the bin body and the blending bin, then the blended raw materials enter a connecting bin under the action of a second star-shaped discharger through a third pipeline, and under the driving of the scraper blade of a lower horizontal pipe chain conveying device, the raw materials enter the conveying pipeline of the vertical pipe chain conveying device again, and are circularly blended, and finally, the raw materials are quantitatively and uniformly distributed in each bin body;
in the whole homogenizing process, the gravity type quantitative blanking valve can quantitatively lower materials, when the weight of raw materials reaches a certain value, the two valve plates are opened under the action of the gravity type quantitative blanking valve, the materials fall from the bottom of the valve box, then under the action of the balancing weight, the two valve plates are closed again, the front side edge and the rear side edge of each of the two valve plates are provided with wear-resistant sealing strips, and the wear-resistant sealing strips are used for sealing gaps between the valve plates and the inner wall of the valve box; the tightness adjusting mechanism of the pipe chain can adjust the tightness of the pipe chain, and the specific adjusting method comprises the following steps: the position of the nut on the screw is moved, so that the screw pulls the position of the bearing seat in the right mounting box, the position of the driven chain wheel is changed, and the tension degree of the chain is changed; the scraper consists of two semicircular plates with the same structural size, and the two semicircular plates are fixed on the chain through bolts, so that the special design is convenient for installation and disassembly; in addition, chain protection mechanism that drops can protect the chain, prevents that in the course of the work, the chain breaks away from the sprocket, and its concrete protection principle is: when the chain is separated from the driven chain wheel to one side of the chain wheel, the chain continues to move, the scraper is bound to touch the touch rod, the touch rod drives the rotating rod to rotate for a certain angle, and the touch rod touches the limit switch, so that the speed reduction motor in the left installation box stops working, and the chain is protected; the blending of the raw materials in the blending homogenizing bin is called as follows: raw materials fall into the bin body, then the raw materials enter the mixing central tube and the six mixing branch tubes through the material holes, and because a group of partition plate assemblies are arranged in the mixing tubes, each partition plate assembly comprises three baffles which divide the interior of the mixing tube into three parts, and each baffle is provided with a through hole, and the three through holes are positioned at different heights, the raw materials at different height levels can enter adjacent areas of the baffles through the through holes, so that the mixing of the raw materials at different height levels is completed, and finally the raw materials in the mixing central tube and the six mixing branch tubes respectively enter the mixing bin through pipelines to be mixed again; the specification and size of the blending bin are small relative to the bin body, so that bridging is possible to occur, therefore, the invention relates to a bridging prevention mechanism in the blending bin, when homogenization works for a period of time, a rope can be pulled, the rope drives a rotating shaft to rotate through a rope wheel, the rotating shaft drives a helical blade to rotate, and the helical blade scrapes off raw materials on the inner wall of the blending bin, so that the bridging phenomenon is prevented.
In conclusion, the invention homogenizes materials of different batches in the plurality of mixing bins under the driving of the three pipe chain conveying devices, has reasonable overall structure design and simple operation steps, utilizes the circulating pipe chain to fully homogenize the materials, ensures the production quality of the later-stage alumina polishing powder, and has strong practicability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is a schematic structural view of a lower horizontal pipe chain conveyor;
FIG. 5 is a schematic view of the squeegee configuration;
FIG. 6 is a schematic view of the installation of the chain drop protection mechanism;
FIG. 7 is a schematic view of a gravity type quantitative blanking valve;
FIG. 8 is a schematic structural view of a blending homogenization silo;
FIG. 9 is a schematic cross-sectional view of a blended base pipe;
FIG. 10 is a schematic view showing the positions of the through holes of three baffles;
fig. 11 is a schematic structural view of the bridge-erection preventing mechanism.
Detailed Description
As shown in fig. 1 to 11, the pipe chain type feeding and homogenizing system of the present invention comprises a raw material bin 1, a blending and homogenizing warehouse and three sets of pipe chain conveying devices, wherein the three sets of pipe chain conveying devices have the same structure, each set of pipe chain conveying device comprises a vertical pipe chain conveying device 2, an upper horizontal pipe chain conveying device 3 and a lower horizontal pipe chain conveying device 4, the vertical pipe chain conveying device 2 is vertically arranged at the left side of the blending and homogenizing warehouse, the upper horizontal pipe chain conveying device 3 is horizontally arranged above the blending and homogenizing warehouse, and the lower horizontal pipe chain conveying device 4 is horizontally arranged below the blending and homogenizing warehouse; the blending homogenizing silo comprises a plurality of groups of blending homogenizing silos 5 which are fixed on the ground side by side;
the discharge port of the raw material bin 1 is connected with the lower part of a vertical pipe chain conveying device 2 through a raw material pipeline 53, the raw material pipeline 53 is obliquely arranged, the feed port of the raw material pipeline 53 is higher than the discharge port, the upper end of the vertical pipe chain conveying device 2 is respectively connected with the left side part of an upper horizontal pipe chain conveying device 3 through an upper conveying pipeline 54, the lower end of the vertical pipe chain conveying device 2 is connected with the left side part of a lower horizontal pipe chain conveying device 4 through a lower conveying pipeline 55, the upper end of the vertical pipe chain conveying device 2 is higher than the left end of the upper horizontal pipe chain conveying device 3, and the lower end of the vertical pipe chain conveying device 2 is lower than the left end of the lower horizontal pipe chain conveying device 4; the top of each group of blending homogenization silo 5 is connected with the upper horizontal pipe chain conveying device 3 through a group of quantitative weighing mechanism 6, and the bottom of each group of blending homogenization silo 5 is connected with the lower horizontal pipe chain conveying device 4 through a group of adjusting and discharging mechanism 7.
The lower horizontal pipe chain conveying device 4 comprises a left installation box 8, a right installation box 9, a speed reducing motor 10, a driving chain wheel 11, a driven chain wheel 12 and a pipe chain tension degree adjusting mechanism, wherein the left installation box 8 is fixedly arranged on the left side of the blending homogenization warehouse, the right installation box 9 is fixedly arranged on the right side of the blending homogenization warehouse, the speed reducing motor 10 is assembled on the left installation box 8, two conveying pipelines 13 which are horizontally arranged are arranged between the left installation box 8 and the right installation box 9, and one conveying pipeline 13 is positioned right above the other conveying pipeline 13; the driving sprocket 11 is fixed on the main shaft of the speed reducing motor 10, and the right mounting box 9 is provided with a chain falling protection mechanism 56; the pipe chain tension adjusting mechanism comprises a frame 17, a screw 14 and four slide rails 15 which are horizontally arranged, wherein two slide rails 15 are fixed on the inner wall of the front side of the right installation box 9, the other two slide rails 15 are fixed on the inner wall of the rear side of the right installation box 9, the frame 17 is slidably arranged among the four slide rails 15, a bearing seat 16 is respectively fixedly arranged on the front side and the rear side of the frame 17, the screw 14 horizontally penetrates through the wall of the right side of the right installation box 9, the left end of the screw 14 is fixed on the right side of the frame 17, the right end of the screw 14 extends out of the wall of the right side of the right installation box 9, a limiting sleeve 57 penetrating on the screw 14 is fixedly arranged on the wall of the right side of the right installation box 9, the screw 14 is sleeved with a spring 19 and a gland 18 with an opening facing to the left, the left side of the spring 19 is positioned in the limiting sleeve 57, the right side of the spring 19 is positioned in the gland 18, an adjusting nut 58 positioned on the right side of the screw 14 is in threaded connection with the gland 18, the left end and the right end of the spring 19 are respectively matched with the right side box wall of the right installation box 9 and the inner wall of the gland 18 in a jacking way; the driven chain wheel 12 is rotationally connected to the two bearing blocks 16, the central lines of the driving chain wheel 11 and the driven chain wheel 12 are positioned at the same height and are horizontally arranged along the front and the back, the driving chain wheel 11 is in transmission connection with the driven chain wheel 12 through a chain 20, and a plurality of circular scraping plates 21 are uniformly arranged on the chain 20 at intervals; the chains 20 and all the scrapers 21 are located inside the two conveying pipes 13; the chain 20 is formed by connecting a plurality of chain links 59, each chain link 59 being in the shape of a track and field race track;
the chain falling-off protection mechanism 56 comprises a limit switch 60, a rotating rod 61 and two groups of touch mechanisms, wherein the limit switch 60 is fixed on the wall of the right installation box 9, the rotating rod 61 is rotatably inserted at the upper part of the right installation box 9 along the front-back horizontal direction, one end of the rotating rod 61 is fixedly provided with a touch rod matched with the limit switch 60, the two groups of touch mechanisms are respectively arranged at the front end and the rear end of the rotating rod 61, the scraper 21 is positioned between the two groups of touch mechanisms, each touch mechanism comprises a touch rod 62, the upper end of the touch rod 62 is fixedly provided with a mounting sleeve 63, the mounting sleeve 63 is sleeved on the rotating rod 61, and the mounting sleeve 63 is provided with a fastening bolt 64 in abutting fit with the rotating rod 61; the scraper 21 is positioned between the two touch rods 62;
the scraper 21 comprises an upper connecting strip 22, a lower connecting strip 23 and two semicircular plates 24 with the same structural size, wherein the semicircular plates 24 are provided with upper round holes and lower round holes, the upper round holes and the lower round holes are positioned at two sides of the circle center of the semicircular plates 24, the two semicircular plates 24 are symmetrically arranged in the front and back direction, the two semicircular plates 24 surround to form a disc-shaped structure, two through holes for penetrating chain rings 59 are formed in the butt joint position between the two semicircular plates 24, elastic washers 65 are arranged between the outer walls of the chain rings 59 and the inner walls of the through holes, two ends of the upper connecting strip 22 are respectively fixed between the two upper round holes through bolts, and two ends of the lower connecting strip 23 are respectively fixed between the two lower round holes through bolts; the trailing flank of the semicircle board 24 of front side is equipped with protruding rib 66 along length direction, and the leading flank of the semicircle board 24 of rear side is equipped with the bar groove along length direction, and protruding rib 66 stretches into the assembly at the bar inslot.
The quantitative weighing mechanism 6 comprises a weighing bin 27 fixed above the blending homogenization bin 5, a conveying pipeline 13 of the upper horizontal pipe chain conveying device 3 is connected with a feeding hole of the weighing bin 27 through a first pipeline 28, a gravity type quantitative discharging valve 29 is arranged on the first pipeline 28, a discharging hole of the weighing bin 27 is connected with the top of the blending homogenization bin 5 through a second pipeline 30, and a first star-shaped discharger 31 is arranged on the second pipeline 30;
the gravity type quantitative blanking valve 29 comprises a valve box 32 which is cuboid in shape and is through up and down, two groups of gravity control valve plate components are arranged on the valve box 32, the two groups of gravity control valve plate components are symmetrically arranged on the left side and the right side of the valve box 32, the left gravity control valve plate component comprises a valve plate 33, a long hole is formed in the left side box wall of the valve box 32, the valve plate 33 penetrates through the long hole, the valve plate 33 is hinged to the left side box wall of the valve box 32 through a pin shaft 34 arranged in the long hole, the front side edge and the rear side edge of the valve plate 33 are respectively attached to the front side inner wall and the rear side inner wall of the valve box 32, and a balancing weight 35 is arranged on the left side of the valve plate 33; the right edge of the left valve plate 33 is in top press fit with the left edge of the right valve plate 33; the front side edge and the rear side edge of the two valve plates 33 are both provided with wear-resistant sealing strips.
The adjusting discharging mechanism 7 comprises a connecting material box 36, the upper part and the lower part of the connecting material box 36 are respectively communicated with two conveying pipelines 13 of the lower horizontal pipe chain conveying device 4, the top of the connecting material box 36 is connected with a discharging hole of the mixing homogenizing stock bin 5 through a third pipeline 37, a manual butterfly valve 38 and a second star-shaped discharger 39 are sequentially arranged on the third pipeline 37 along the material flowing direction, and one side of the third pipeline 37 is connected with a bypass pipeline 40.
The blending homogenizing silo 5 comprises a silo body 41, the upper part of the silo body 41 is in a cylinder shape, the bottom of the silo body 41 is in an inverted cone structure, the bottom of the silo body 41 is blocked, the bottom of the silo body 41 is connected with a blending silo 42, the silo body 41 is internally provided with a blending central pipe 43 and six blending branch pipes 44, the upper ends of the blending central pipe 43 and the six blending branch pipes 44 are fixedly arranged on the inner wall of the top of the silo body 41, the blending central pipe 43 is vertically arranged along the central line of the silo body 41, the six blending branch pipes 44 are uniformly and vertically arranged around the blending central pipe 43, material holes are distributed on the pipe walls of the blending central pipe 43 and the six blending branch pipes 44, a partition plate assembly is arranged in the blending central pipe 43 and the six blending branch pipes 44 and divides the inner cavity of the pipe into three parts, the partition plate assembly comprises three baffles 45, one side edges of the three baffles 45 are connected together, the other side edges of the three baffles 45 are respectively fixed on the inner wall of the pipe, the included angle between two adjacent baffles 45 is 120 degrees, the baffles 45 are respectively provided with a through hole 46, and the through holes 46 on the mixing central pipe 43 and the six mixing branch pipes 44 are respectively positioned at different heights; the lower end of the mixing central pipe 43 extends out of the bottom of the bin body 41 and is connected with the mixing bin 42, and the lower ends of the six mixing branch pipes 44 extend out of the inverted cone structure of the bin body 41 and are respectively connected with the mixing bin 42 through a connecting pipe 69; the discharge hole of the blending bin 42 is connected with the third pipeline 37; a bridge-erection preventing mechanism is arranged in the mixing bin 42;
the bridge-erection preventing mechanism comprises an upper fixing frame 47, a lower fixing frame 48 and a rotating shaft 49, wherein the upper fixing frame 47 is fixed on the inner wall of the upper side of the mixing bin 42, the lower fixing frame 48 is fixed on the inner wall of the lower side of the mixing bin 42, the rotating shaft 49 is vertically arranged, the upper end of the rotating shaft 49 is rotatably connected onto the upper fixing frame 47 through a bearing, the lower end of the rotating shaft 49 is rotatably connected onto the lower fixing frame 48 through a bearing, a spiral blade 50 is arranged on the rotating shaft 49, the outer edge of the spiral blade 50 is attached to the inner wall of the mixing bin 42, torsion springs 70 are arranged at the upper end and the lower end of the rotating shaft 49, a rope pulley 51 is arranged on the rotating shaft 49, a guide pulley 71 is fixedly arranged at the upper part of the outer side of the mixing bin 42, and the end 73 of the rope on the rope pulley 51 penetrates through the mixing bin 52 and bypasses the guide pulley 71 and then is connected with a handle 72.
The process of homogenizing the materials comprises the following steps: firstly, raw materials are put into a raw material bin 1, then the raw materials fall into a conveying pipeline 13 of a vertical pipe chain conveying device 2 from the raw material bin 1, a driving chain wheel 11 drives a chain 20 to drive under the driving of a speed reducing motor 10, scrapers 21 on the chain 20 bring the raw materials into the conveying pipeline 13 of an upper horizontal pipe chain conveying device 3 along the conveying pipeline 13, then the raw materials respectively enter a blending homogenizing bin 5 through a plurality of groups of quantitative weighing mechanisms 6, wherein the raw materials firstly enter a weighing bin 27 through a first pipeline 28, then the weighing bin 27 weighs the raw materials, after reaching a certain weight, the raw materials are released, the raw materials enter a second pipeline 30, then enter a bin body 41 of the blending homogenizing bin 5 under the action of a first star-shaped discharger 31, the raw materials are blended in the bin body 41 and a blending bin 42, then the blended raw materials enter a connecting bin 36 through a third pipeline 37 and under the action of a second star-shaped discharger 39, under the drive of the scraper 21 of the lower horizontal pipe chain conveying device 4, the raw materials enter the conveying pipeline 13 of the vertical pipe chain conveying device 2 again, so as to be circularly mixed, and finally, the raw materials are quantitatively and uniformly distributed in each bin body 41;
in the whole homogenizing process, the gravity type quantitative blanking valve 29 can quantitatively lower the material, when the weight of the raw material reaches a certain value, the two valve plates 33 are opened under the action of the gravity, the material falls from the bottom of the valve box 32, and then under the action of the balancing weight 35, the two valve plates 33 are closed again; the tightness adjusting mechanism of the pipe chain can adjust the tightness of the pipe chain, and the specific adjusting method comprises the following steps: by moving the position of the adjusting nut 58 on the screw 14, the screw 14 pulls the position of the bearing block 16 in the right mounting box 9, thereby changing the position of the driven sprocket 12 and changing the tension of the chain 20; the scraper 21 consists of two semicircular plates 24 with the same structure and size, and the two semicircular plates 24 are fixed on the chain 20 through bolts, so that the special design is convenient for installation and disassembly; the blending of the raw materials in the blending homogenizing bin is called as follows: raw materials fall into the bin body 41, then enter the mixing central pipe 43 and six mixing branch pipes 44 through material holes, because a group of partition plate assemblies are arranged in the mixing pipes, each partition plate assembly comprises three baffles 45, the interior of the mixing pipes is divided into three parts by the three baffles 45, each baffle 45 is provided with a through hole 46, and the three through holes 46 are positioned at different heights, the raw materials at different height levels can enter the adjacent areas of the baffles 45 through the through holes 46, so that the mixing of the raw materials at different height levels is completed, and finally the raw materials in the mixing central pipe 43 and the six mixing branch pipes 44 respectively enter the mixing bin 42 through pipelines to be mixed again; the specification and size of the blending bin 42 are small relative to the bin body 41, so that bridging is possible to occur, therefore, the invention relates to a bridging prevention mechanism in the blending bin 42, the handle 72 ensures that the thread rope 73 does not depart from the guide pulley under the action of gravity, after homogenization operation is carried out for a period of time, the handle 72 can be pulled, the thread rope 73 drives the rotating shaft 49 to rotate through the rope pulley 51, the rotating shaft 49 rotates to drive the spiral blade 50 to rotate, and the spiral blade 50 scrapes off raw materials on the inner wall of the blending bin 42, so that bridging is prevented.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (4)
1. Pipe chain formula material loading homogenization system, its characterized in that: the device comprises a raw material bin, a blending homogenization warehouse and three groups of pipe chain conveying devices, wherein the three groups of pipe chain conveying devices have the same structure, each group of pipe chain conveying device comprises a vertical pipe chain conveying device, an upper horizontal pipe chain conveying device and a lower horizontal pipe chain conveying device, the vertical pipe chain conveying device is vertically arranged on the left side of the blending homogenization warehouse, the upper horizontal pipe chain conveying device is horizontally arranged above the blending homogenization warehouse, and the lower horizontal pipe chain conveying device is horizontally arranged below the blending homogenization warehouse; the blending homogenizing silo comprises a plurality of groups of blending homogenizing bins which are fixed on the ground side by side;
the discharge port of the raw material bin is connected with the lower part of the vertical pipe chain conveying device through a raw material pipeline, the raw material pipeline is obliquely arranged, the feed port of the raw material pipeline is higher than the discharge port, the upper end of the vertical pipe chain conveying device is connected with the left side part of the upper horizontal pipe chain conveying device through an upper conveying pipeline, the lower end of the vertical pipe chain conveying device is connected with the left side part of the lower horizontal pipe chain conveying device through a lower conveying pipeline, the upper end of the vertical pipe chain conveying device is higher than the left end of the upper horizontal pipe chain conveying device, and the lower end of the vertical pipe chain conveying device is lower than the left end of the lower horizontal pipe chain conveying device; the top of each group of blending homogenization bins is connected with an upper horizontal pipe chain conveying device through a group of quantitative weighing mechanisms, and the bottom of each group of blending homogenization bins is connected with a lower horizontal pipe chain conveying device through a group of adjusting and discharging mechanisms;
the mixing homogenizing stock bin comprises a bin body, the appearance of the upper part of the bin body is a cylinder, the bottom of the bin body is of an inverted cone structure, the bottom of the bin body is plugged, the bottom of the bin body is connected with a mixing bin, a mixing central pipe and six mixing branch pipes are arranged in the bin body, the upper ends of the mixing central pipe and the six mixing branch pipes are fixedly arranged on the inner wall of the top of the bin body, the mixing central pipe is vertically arranged along the central line of the bin body, the six mixing branch pipes are uniformly and vertically arranged around the mixing central pipe, material holes are distributed in the pipe walls of the mixing central pipe and the six mixing branch pipes, partition plate assemblies are arranged in the mixing central pipe and the six mixing branch pipes and divide the inner cavities of the pipes into three parts, each partition plate assembly comprises three baffle plates, one side edges of each baffle plate are connected together, the other side edges of each baffle plate are respectively fixed on the inner wall of each pipe, the included angle between every two adjacent baffle plates is 120 degrees, each baffle is provided with a through hole, and the through holes on the mixing central pipe and the six mixing branch pipes are respectively positioned at different heights; the lower ends of the mixing central pipes extend out of the bottom of the bin body and are connected with the mixing bin, and the lower ends of the six mixing branch pipes extend out of the inverted cone structure of the bin body and are respectively connected with the mixing bin through a connecting pipeline; the discharge hole of the mixing bin is connected with a third pipeline; a bridge erection preventing mechanism is arranged in the mixing bin;
prevent bridging mechanism includes the upper bracket, lower mount and pivot, the upper bracket is fixed at mixing storehouse upside inner wall, the lower mount is fixed at mixing storehouse downside inner wall, the pivot sets up perpendicularly, the upper end of pivot is passed through the bearing and is rotated and connect on the upper bracket, the lower extreme of pivot passes through the bearing and rotates and connect on the mount down, be equipped with helical blade in the pivot, helical blade's outer fringe and mixing storehouse inner wall are laminated mutually, the upper end and the lower extreme of pivot all are equipped with the torsional spring, be equipped with the rope sheave in the pivot, the fixed deflector pulley that is equipped with in mixing storehouse outside upper portion, be connected with the handle after the cotton rope end on the rope sheave is worn out mixing storehouse and is walked around the deflector pulley.
2. The tube chain feed homogenization system of claim 1, wherein: the lower horizontal pipe chain conveying device comprises a left mounting box, a right mounting box, a speed reducing motor, a driving sprocket, a driven sprocket and a pipe chain tension adjusting mechanism, wherein the left mounting box is fixedly arranged on the left side of the blending homogenization warehouse, the right mounting box is fixedly arranged on the right side of the blending homogenization warehouse, the speed reducing motor is assembled on the left mounting box, two conveying pipelines which are horizontally arranged are arranged between the left mounting box and the right mounting box, and one conveying pipeline is positioned right above the other conveying pipeline; the driving chain wheel is fixed on a main shaft of the speed reducing motor, and a chain falling-off protection mechanism is arranged on the right mounting box; the pipe chain tension adjusting mechanism comprises a frame, a screw rod and four horizontally arranged slide rails, wherein two slide rails are fixed on the inner wall of the front side of the right mounting box, the other two sliding rails are fixed on the inner wall of the rear side of the right installation box, the frame is arranged between the four sliding rails in a sliding manner, a bearing seat is respectively fixedly arranged on the front side and the rear side of the frame, the screw rod horizontally penetrates through the right side box wall of the right installation box, the left end of the screw rod is fixed at the right side part of the frame, the right end of the screw rod extends out of the right side box wall of the right installation box, a limiting sleeve penetrating on the screw rod is fixedly arranged on the right side box wall of the right installation box, a spring and a gland with an opening facing left are sleeved on the screw rod, the left side of the spring is positioned in the limiting sleeve, the right side of the spring is positioned in the gland, an adjusting nut positioned on the right side of the gland is in threaded connection with the screw rod, and the left end and the right end of the spring are respectively in jacking fit with the right side box wall of the right installation box and the inner wall of the gland; the driven chain wheel is rotationally connected to the two bearing seats, the central lines of the driving chain wheel and the driven chain wheel are positioned at the same height and are horizontally arranged along the front and the back, the driving chain wheel is in transmission connection with the driven chain wheel through a chain, and a plurality of circular scraping plates are uniformly arranged on the chain at intervals; the chain and all the scrapers are positioned in the two conveying pipelines; the chain is formed by connecting a plurality of chain rings, and each chain ring is in the shape of a track and field competition field runway;
the chain falling-off protection mechanism comprises a limit switch, a rotating rod and two groups of trigger mechanisms, wherein the limit switch is fixed on the wall of the right installation box and is positioned on a circuit of a speed reduction motor on the left installation box; the rotating rod is rotatably inserted at the upper part of the right mounting box along the front-back horizontal direction, one end of the rotating rod is fixedly provided with a touch rod matched with the limit switch, two groups of touch mechanisms are respectively arranged at the front end and the rear end of the rotating rod, the scraper is positioned between the two groups of touch mechanisms, each touch mechanism comprises a touch rod, the upper end of the touch rod is fixedly provided with a mounting sleeve, the mounting sleeve is sleeved on the rotating rod, and the mounting sleeve is provided with a fastening bolt which is in press fit with the top of the rotating rod; the scraper is positioned between the two touch rods;
the scraper plate comprises an upper connecting strip, a lower connecting strip and two semicircular plates with the same structural size, an upper round hole and a lower round hole are formed in each semicircular plate and are located on the upper side and the lower side of the circle center of each semicircular plate, the two semicircular plates are symmetrically arranged in the front and the back direction and surround into a disc-shaped structure, two through holes for penetrating chain rings are formed in the butt joint position between the two semicircular plates, elastic washers are arranged between the outer walls of the chain rings and the inner walls of the through holes, the two ends of the upper connecting strip are respectively fixed between the two upper round holes through bolts, and the two ends of the lower connecting strip are respectively fixed between the two lower round holes through bolts; the trailing flank of the semicircle board of front side is equipped with protruding rib along length direction, and the leading flank of the semicircle board of rear side is equipped with the bar groove along length direction, and the protruding rib stretches into the assembly at the bar inslot.
3. The tube chain feed homogenization system of claim 2, wherein: the quantitative weighing mechanism comprises a weighing bin fixed above the blending homogenization bin, a conveying pipeline of the upper horizontal pipe chain conveying device is connected with a feeding port of the weighing bin through a first pipeline, a gravity type quantitative discharging valve is arranged on the first pipeline, a discharging port of the weighing bin is connected with the top of the blending homogenization bin through a second pipeline, and a first star-shaped discharger is arranged on the second pipeline;
the gravity type quantitative blanking valve comprises a valve box which is cuboid in shape and is through up and down, two groups of gravity control valve plate components are arranged on the valve box, the two groups of gravity control valve plate components are symmetrically arranged on the left side and the right side of the valve box, each gravity control valve plate component on the left side comprises a valve plate, a long hole is formed in the left side wall of the valve box, the valve plates penetrate through the long holes and are hinged to the left side wall of the valve box through pin shafts arranged in the long holes, the front side edge and the rear side edge of each valve plate are respectively attached to the front side inner wall and the rear side inner wall of the valve box, and a balancing weight is arranged on the left side of each valve plate; the right side edge of the left valve plate is in top pressure fit with the left side edge of the right valve plate; and the front side edges and the rear side edges of the two valve plates are both provided with wear-resistant sealing strips.
4. The tube chain feed homogenization system of claim 2, wherein: the adjusting and discharging mechanism comprises a connecting material box, the upper portion and the lower portion of the connecting material box are respectively communicated with two conveying pipelines of the lower horizontal pipe chain conveying device, the top of the connecting material box is connected with a discharge port of the mixing homogenizing material bin through a third pipeline, a manual butterfly valve and a second star-shaped discharger are sequentially arranged on the third pipeline along the material flowing direction, and one side of the third pipeline is connected with a bypass pipeline.
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| CN108082961A (en) * | 2017-12-26 | 2018-05-29 | 北京圣海林生态环境科技股份有限公司 | It can the ring-like more storehouse charging/discharging devices of rotten organic particle facade |
| CN110422642A (en) * | 2019-08-14 | 2019-11-08 | 齐鲁制药（内蒙古）有限公司 | A kind of avermectin bacteria residue collection apparatus for temporary storage |
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