CN109552830B - Production line equipment for producing common dry-mixed mortar - Google Patents

Production line equipment for producing common dry-mixed mortar Download PDF

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Publication number
CN109552830B
CN109552830B CN201811265065.3A CN201811265065A CN109552830B CN 109552830 B CN109552830 B CN 109552830B CN 201811265065 A CN201811265065 A CN 201811265065A CN 109552830 B CN109552830 B CN 109552830B
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China
Prior art keywords
stirring
shaft
cylinder
net
disc
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CN201811265065.3A
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Chinese (zh)
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CN109552830A (en
Inventor
熊顺伟
郑尚久
詹小刚
刘桂
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Hubei Hengfu Energy Saving Technology Co ltd
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Hubei Hengfu Energy Saving Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G37/00Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B01F27/906Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms  with fixed axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/10Obtaining an average product from stored bulk material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/14Pulverising loaded or unloaded materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04Bulk

Abstract

The utility model provides a production line equipment of ordinary dry-mixed mortar, including communicating sand material conveyer belt in proper order, drying drum and drier conveyer belt, the discharge gate of auxiliary material feeder communicates with each other with agitating unit's feed inlet, agitating unit includes outer churn and interior agitator, set up the feed inlet on the section of thick bamboo top/bottom of outer churn respectively, the discharge gate, the section of thick bamboo side is including the last concave arc way, the well convex arc way, well concave arc way and the lower arc way that connect gradually, stirring unit in the interior agitator includes the (mixing) shaft, agitator disk net and bottom agitator disk, the top of agitator disk net is through net solid bearing and (mixing) shaft sliding fit from top to bottom, the outer edge of the clitellum that the agitator disk net bottom is connected extends to directly over the weight gain of upper concave district, the lower bump setting on the outer edge nearly lower arc way of bottom agitator disk. This design not only the fragmentation ability is stronger, and the mixing uniformity is higher, and the dispersion effect is stronger moreover, the quality of product is higher.

Description

Production line equipment for producing common dry-mixed mortar
Technical Field
The invention relates to production equipment of common dry-mixed mortar, belongs to the field of production of building materials, and particularly relates to production line equipment for producing the common dry-mixed mortar.
Background
A plurality of mortars are needed in construction sites, if the mortars are directly prepared in construction sites, the labor intensity is high, the time and the labor are wasted, a large amount of dust and noise are generated, and the environment is easily polluted, so dry-mixed mortars are mostly adopted in the prior art.
The dry-mixed mortar is usually called hydraulic cement mixed mortar, also called as mortar dry powder, dry mixed material, dry mixed powder and the like, and is a granular or powdery substance formed by physically mixing dry-screened aggregate (such as yellow sand), inorganic cementing material (such as cement and fly ash), additive (such as polymer) and the like according to a certain proportion. However, when dry-mixed mortar is prepared in the prior art, after dried sand materials and other ingredients are sent into a stirring device, the dried sand materials and the other ingredients are mostly simply stirred for various raw materials, a special stirring device or a stirring process is lacked, the raw materials in the formula are not only weaker in crushing capacity and poorer in dispersing effect, but also are lower in uniformity after mixing, and a product with higher quality is difficult to obtain.
The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects and problems of weak crushing capability and low mixing uniformity in the prior art, and provides the assembly line equipment for producing the common dry-mixed mortar, which has strong crushing capability and high mixing uniformity.
In order to achieve the above purpose, the technical solution of the invention is as follows: a production line device for producing common dry-mixed mortar comprises a sand material conveying belt, a drying roller, a dry material conveying belt, an auxiliary material feeder and a stirring device, wherein a discharge hole of the sand material conveying belt is communicated with a feed hole of the drying roller; the stirring device comprises an outer stirring cylinder and an inner stirrer, the top end of the inner stirrer is higher than the top of the outer stirring cylinder, and the bottom end of the inner stirrer extends downwards to the inside of the outer stirring cylinder;
the outer mixing drum comprises a drum top, a drum side and a drum bottom, a left feed inlet and a right feed inlet are formed in the position, close to the outer side edge, of the top surface of the drum top, a discharge outlet is formed in the bottom surface of the drum bottom, the drum side comprises an upper concave arc channel, a middle convex arc channel, a middle concave arc channel and a lower concave arc channel which are sequentially connected from top to bottom, the top end of the upper concave arc channel is connected with the bottom surface of the drum top, an outer convex point of the upper concave arc channel and the middle convex arc channel are mutually connected to form an upper concave area, the bottom end of the lower convex arc channel is connected with the top end of the drum bottom, and a lower convex point on the lower convex arc channel is arranged close to the junction of the lower convex arc channel and the drum bottom;
the inner stirrer comprises a left stirring unit and a right stirring unit which are arranged side by side and have consistent structures, and a unit gap is formed between the left stirring unit and the right stirring unit; the left stirring unit comprises a stirring shaft, a stirring disc net and a bottom stirring disc, the top end of the stirring shaft penetrates through a stirring bearing arranged in the middle of the top of the barrel and then extends to the position right above the top of the barrel, the bottom end of the stirring shaft is connected with the top of the bottom stirring disc, the stirring shaft is close to the stirring shaft, a net fixing bearing in sliding fit with the stirring shaft is sleeved outside the position of the joint of the top of the barrel, the outer side wall of the net fixing bearing is connected with the top end of the stirring disc net sleeved outside the stirring shaft, the bottom end of the stirring disc net is connected with the inner edge of the weight increasing ring belt, the outer edge of the weight increasing ring belt extends to the position right above the upper concave area, the bottom of the net fixing bearing is contacted with the top end of an attached shaft piece sleeved on the stirring shaft, the bottom end of the stirring disc close to the bottom of the attached shaft piece is arranged, and lower convex points on the outer edge of the bottom stirring disc close to the lower convex arc way are arranged.
The area of the vertical projection of the weight-increasing zone on the upper concave area is one third to one half of the area of the upper concave area.
The left feed inlet and the right feed inlet are both arc-shaped structures forming the same circular ring, and the sum of the areas of the left feed inlet and the right feed inlet is smaller than the area of the same circular ring where the left feed inlet and the right feed inlet are located.
The auxiliary shaft part comprises an auxiliary shaft cylinder and a plurality of auxiliary shaft blades, the inner wall of the auxiliary shaft cylinder is fixedly connected with the outer wall of the stirring shaft penetrating through the auxiliary shaft cylinder, the outer wall of the auxiliary shaft cylinder is connected with the inner ends of the auxiliary shaft blades, the outer ends of the auxiliary shaft blades extend outwards, and the auxiliary shaft blades are uniformly arranged on the auxiliary shaft cylinder.
The auxiliary shaft blades are of an inwards concave arc-shaped structure, and an arc-shaped auxiliary shaft included angle is formed between the inner ends of the auxiliary shaft blades and the outer wall of the auxiliary shaft barrel.
The outer cover has a hollow wave section of thick bamboo on being located the position between attaching axle piece, the end agitator disk on the (mixing) shaft, the top of a wave section of thick bamboo is connected with the (mixing) shaft, and the bottom of a wave section of thick bamboo is connected with the top surface of end agitator disk, and the wave cavity has been seted up to the inside of a wave section of thick bamboo, is provided with a plurality of wave swell on the surface of a wave section of thick bamboo, and the top of a wave section of thick bamboo is narrower than its bottom setting.
The middle part of the bottom surface of the bottom stirring disc is connected with the top end of a dispersing ball through a disc lower shaft, the dispersing ball comprises a left hollow part, a middle solid part and a right hollow part, ball cavities are formed in the left hollow part and the right hollow part, the top end of the middle solid part is connected with the bottom surface of the bottom stirring disc through the disc lower shaft, the left side and the right side of the middle solid part are respectively connected with the inner end faces of the left hollow part and the right hollow part, the outer end faces of the left hollow part and the right hollow part are respectively provided with a movable port to be communicated with the corresponding ball cavities, a movable ball is arranged in each ball cavity and connected with the inner end of a conical shaft, the outer end of each conical shaft penetrates through the movable ports to be connected with the inner end of a movable cone positioned outside the dispersing ball, at least two conical blades are uniformly arranged on the side wall of the movable cone, and the diameters of the conical shaft, the movable ports and the movable ball are sequentially increased.
The highest point of the upward movement of the movable cones around the movable opening is lower than the bottom surface of the bottom stirring disc, and the area of the vertical projection of the dispersing ball and the two movable cones on the bottom surface of the corresponding bottom stirring disc is smaller than the area of the bottom surface of the bottom stirring disc.
The discharge gate includes ejection of compact left side mouth and ejection of compact right side mouth, the bobbin base portion includes left trousers portion, few portions in and right trousers portion, few left feet, few right feet that few portions in including a few tops and be connected rather than two bottoms, the inner of left side trousers portion is connected with the bottom of a few left feet, and the inner of right trousers portion is connected with the bottom of a few right feet, has seted up ejection of compact left side mouth on the bottom surface of left trousers portion, has seted up ejection of compact right side mouth on the bottom surface of right trousers portion, and respectively unsettled dispersion ball that is provided with directly over the top of left trousers portion, right trousers portion.
The bottom of a unit gap existing between the left stirring unit and the right stirring unit is in contact with the top ends, the movable cone in the left stirring unit is arranged on the left side of the movable farthest point on the right side close to the top ends, and the movable cone in the right stirring unit is arranged on the right side of the movable farthest point on the left side close to the top ends; the external vision net arranged in the bottom surface of the top ends of the vertical tubes is connected with the top ends of the external vision vertical tubes, and the bottom ends of the external vision vertical tubes are vertically connected with the inner ends of the external vision horizontal tubes.
Compared with the prior art, the invention has the beneficial effects that:
1. in the assembly line equipment for producing the common dry-mixed mortar, the top of the cylinder is provided with the left feed inlet and the right feed inlet, the inner stirrer comprises the left stirring unit and the right stirring unit which are arranged side by side, when the assembly line equipment is used, raw materials enter from the left feed inlet and the right feed inlet simultaneously, the left stirring unit and the right stirring unit rotate simultaneously, and the rotation directions are opposite, so that the assembly line equipment has the advantages that: firstly, a stirring unit is corresponding to each feeding hole, so that the dispersing effect is strong; secondly, the two stirring units rotate reversely, and stirring airflow rings driven by the two stirring units can collide with each other, so that the crushing capacity can be increased while the dispersing effect is further enhanced, the raw materials can be further refined, and caking raw materials or larger raw materials can be avoided; and the stirring left unit and the stirring right unit can respectively rotate and simultaneously can move up and down along the stirring bearing, so that the coverage range of the stirring airflow ring is enlarged, the respective dispersing capacity is increased, the collision area of the two stirring airflow rings is enlarged, and the coverage range of the dispersion enhancing effect is enlarged. Therefore, the invention not only has stronger crushing capability, but also has higher mixing uniformity.
2. In the assembly line equipment for producing the common dry-mixed mortar, an outer convex point of an upper concave arc channel and a middle convex arc channel are mutually connected to form an upper concave area, the middle part of a net fixing bearing slides up and down along a stirring shaft, the outer side of the net fixing bearing is connected with the top end of a stirring disc net, the outer edge of a weight increasing ring belt connected with the bottom end of the stirring disc net extends to the position right above the upper concave area, when the assembly line equipment is used, raw materials flowing in a feeding port slide down along the upper concave arc channel, and accumulated on the upper concave area and the weight-increasing ring belt to form accumulated materials, only a few raw materials can cross the middle convex arc channel to continuously slide downwards, at the moment, the rotating stirring disk net can destroy the accumulated materials so as to lead the accumulated materials to continuously slide downwards in batches, thereby controlling the gliding movement of the raw materials entering from the feed inlet, leading the raw materials to glide in batches and disperse in batches instead of descending in batches, enhancing the dispersion effect and being beneficial to improving the uniformity of mixing. On the basis of the rotation of the stirring disk net, the stirring shaft which moves up and down can drive the net fixed bearing to move up and down, the net fixed bearing which moves up can provide an upward force for the stirring disk net, the accumulated material on the weight increasing ring belt can provide a downward force for the stirring disk net, the stirring disk net which acts on the upward force and the downward force is pulled to form a conical surface, at the moment, the dispersion area of the conical surface is far larger than that of the stirring disk net in the plane, the dispersion effect is enhanced, the weight increasing ring belt is gradually pulled away from the upper concave area along with the continuous upward pulling of the stirring disk net, the gradual pulling away operation can gradually increase the downward sliding amount of the accumulated material, so that the batch downward sliding effect is obtained, the dispersion effect is further enhanced, then, when the net fixed bearing slides up to collide with the stirring bearing, a counter-collision force is provided by the stirring bearing to move downwards, the conical surface gradually becomes a plane, and the weight increasing ring belt gradually moves to the position right above the upper concave area, the gliding quantity of the raw materials is gradually reduced until the accumulated materials are formed, then the gliding net fixing bearing can collide with the top of the attached shaft piece, and the net fixing bearing can be driven to move upwards by the counterimpact force, so that the circulation is carried out in sequence. Therefore, the invention can control the gliding amount of the raw materials through the up-and-down movement of the stirring disc net, obtain the batch-by-batch gliding effect, is beneficial to enhancing the dispersion effect and improving the mixing uniformity.
3. In the assembly line equipment for producing the common dry-mixed mortar, a middle concave arc channel is of a concave structure, a lower convex channel is of an inward convex structure, when the middle concave arc channel is transited to the lower convex channel, the space is gradually narrowed, meanwhile, a lower convex point on the lower convex channel is arranged close to the joint of the lower convex channel and the bottom of a cylinder, the outer edge of a bottom stirring disc is arranged close to a lower convex point on the lower convex channel, when the bottom stirring disc rotates in situ, raw materials sliding downwards through a gap between the bottom stirring disc and the lower convex point are few, when the bottom stirring disc moves upwards along with a stirring shaft, the bottom stirring disc moves to the middle concave arc channel through the lower convex channel, the gap between the bottom stirring disc and the side of the cylinder is gradually increased, the raw materials flowing in through the gap are gradually increased, then, when the stirring shaft moves downwards, the gap between the bottom stirring disc and the side of the cylinder is gradually reduced, and the raw materials flowing in through the gap are gradually reduced, thereby make the inflow of the raw materials that flows in through the space between end agitator disk, the section of thick bamboo side on the whole switch back and forth between crescent, the gradual reduction to gain the effect of gliding one by one, do benefit to reinforcing dispersion effect, improve and mix the degree of consistency. Therefore, the invention not only has stronger dispersion effect, but also has higher mixing uniformity.
4. In the assembly line equipment for producing the common dry-mixed mortar, the auxiliary shaft part and the wave cylinder are arranged between the stirring disc net and the bottom stirring disc, wherein the auxiliary shaft part comprises the auxiliary shaft cylinder and a plurality of auxiliary shaft blades arranged upwards, belongs to an external expanding structure, and can crush and disperse the gliding raw materials again through the rotating auxiliary shaft blades; a wave section of thick bamboo is hollow structure, can rebound to the raw materials of its outer wall, if play near to attaching the axle piece to cause the secondary dispersion, simultaneously, the wide structure can make the wave swell and be the step arrangement on its outer wall under the narrow on the whole, enables to slide to its outer wall's raw materials can both be by the bounce-back, can not omit, avoids one to slide and the emergence of the condition, thereby reinforcing rebound effect, and then reinforcing dispersion. Therefore, the dispersion effect of the present invention is strong.
5. In the assembly line equipment for producing the common dry-mixed mortar, the dispersing balls rotate and move up and down along with the stirring shaft, and the movable cones arranged on the left side and the right side of each dispersing ball rotate and move up and down along with the movement of the dispersing balls to form the dispersing vortex of the cone, so that two dispersing vortexes appear below each bottom stirring disc, the raw materials can be finally dispersed to further improve the mixing uniformity, the mixed raw materials can be driven easily to enter the left trouser part and the right trouser part more smoothly, and flow out from the left discharge opening and the right discharge opening respectively for filling, and the defect that blockage and agglomeration are easy to occur when the mixed raw materials flow out from one discharge opening in the prior art is effectively avoided. In addition, the mutually perpendicular's of connecting on the bottom surface of several tops looks standpipe, looks violently the pipe outward, can monitor the dust volume in the external churn to in time clear up in to a section of thick bamboo, avoid breaking down, can sample final product again, ensure product quality. Therefore, the invention not only has stronger dispersion effect and higher mixing uniformity, but also is beneficial to the outflow and filling of products and convenient for monitoring and sampling.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the outer mixing drum in fig. 1 (the mixing disk net 53 is shown in two states of a plane and a conical surface, and two mixing disk nets are not provided on one mixing shaft 52).
Fig. 3 is a top view of the cartridge top of fig. 2.
FIG. 4 is a top view of the left, middle and right pants portions of FIG. 2.
Fig. 5 is a top view of the stir plate mesh of fig. 2.
Fig. 6 is a schematic view of the change from a flat surface to a tapered surface of the screen of the agitator disk of fig. 2.
Fig. 7 is a schematic structural view of the attached shaft member in fig. 2.
Fig. 8 is a schematic view of the structure of the dispersion ball of fig. 2.
Fig. 9 is a schematic structural view of the movable cone in fig. 2.
Fig. 10 is a schematic view of the connection between the vertical and horizontal visual pipes in fig. 2.
In the figure: drying drum 1, external mixing drum 2, drum top 21, left inlet 211, right inlet 212, same ring 213, drum side 22, external view net 221, external view vertical pipe 222, external view horizontal pipe 223, drum bottom 23, outlet 231, left outlet 232, right outlet 233, left trousers 234, middle parts 235, right trousers 236, top ends 237, left feet 238, right feet 239, upper concave arc channel 24, outer convex point 241, upper concave area 242, middle convex arc channel 25, middle concave arc channel 26, lower convex arc channel 27, lower convex point 271, dry material conveyer belt 3, inner mixer 5, right mixing unit 50, unit gap 501, left mixing unit 51, mixing shaft 52, mixing bearing 521, mixing disc net 53, net fixed bearing 531, wave belt 532, accumulated material 533, bottom mixing disc 54, disc lower shaft 541, disc mixing teeth 542, additional shaft 55, additional drum 551, additional shaft blade 553, additional shaft 56 included angle 552, wave belt 56, The device comprises a wave cavity 561, a wave bulge 562, a dispersing ball 57, a left hollow part 571, a middle solid part 572, a right hollow part 573, a ball cavity 574, a movable port 575, a movable cone 58, a movable ball 581, a cone shaft 582, cone blades 583, a sand conveyer belt 7 and an auxiliary material feeder 8.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 10, a production line device for producing common dry-mixed mortar comprises a sand conveyer belt 7, a drying roller 1, a dry material conveyer belt 3, an auxiliary material feeder 8 and a stirring device, wherein a discharge port of the sand conveyer belt 7 is communicated with a feed port of the drying roller 1, a discharge port of the drying roller 1 is communicated with a feed port of the dry material conveyer belt 3, and a discharge port of the dry material conveyer belt 3 and a discharge port of the auxiliary material feeder 8 are both communicated with a feed port of the stirring device; the stirring device comprises an outer stirring cylinder 2 and an inner stirrer 5, the top end of the inner stirrer 5 is higher than the top of the outer stirring cylinder 2, and the bottom end of the inner stirrer 5 extends downwards to the inside of the outer stirring cylinder 2;
the outer stirring cylinder 2 comprises a cylinder top 21, a cylinder side 22 and a cylinder bottom 23, a left feed inlet 211 and a right feed inlet 212 are arranged on the top surface of the cylinder top 21 near the outer side edge thereof, a discharge outlet 231 is arranged on the bottom surface of the cylinder bottom 23, the cylinder side 22 comprises an upper concave arc channel 24, a middle convex arc channel 25, a middle concave arc channel 26 and a lower convex arc channel 27 which are sequentially connected from top to bottom, the top end of the upper concave arc channel 24 is connected with the bottom surface of the cylinder top 21, an outer convex point 241 of the upper concave arc channel 24 is connected with the middle convex arc channel 25 to form an upper concave area 242, the bottom end of the lower convex arc channel 27 is connected with the top end of the cylinder bottom 23, and a lower convex point 271 on the lower convex arc channel 27 is arranged close to the junction of the lower convex arc channel 27 and the cylinder bottom 23;
the inner stirrer 5 comprises a left stirring unit 51 and a right stirring unit 50 which are arranged side by side and have the same structure, and a unit gap 501 is formed between the left stirring unit 51 and the right stirring unit 50; the stirring left unit 51 comprises a stirring shaft 52, a stirring disk net 53 and a bottom stirring disk 54, the top end of the stirring shaft 52 passes through the stirring bearing 521 arranged in the middle of the cylinder top 21 and then extends upwards to the position right above the cylinder top 21, the bottom end of the stirring shaft 52 is connected with the top of the bottom stirring disc 54, a mesh fixing bearing 531 in sliding fit with the stirring shaft 52 is sleeved outside the part, close to the joint of the stirring shaft 52 and the cylinder top 21, of the stirring shaft 52, the outer side wall of the net fixing bearing 531 is connected with the top end of a stirring disc net 53 sleeved outside the net fixing bearing 531, the bottom end of the stirring disc net 53 is connected with the inner edge of a weight increasing ring belt 532, the outer edge of the weight increasing ring belt 532 extends to the position right above an upper concave area 242, the bottom of the net fixing bearing 531 is in contact with the top end of an attached shaft piece 55 sleeved on a stirring shaft 52, the bottom end of the attached shaft piece 55 is arranged close to a bottom stirring disc 54, and the outer edge of a bottom stirring disc 54 is arranged close to a lower salient point 271 on a lower convex arc channel 27.
The area of the weight-gain ring 532 vertically projected on the upper concave region 242 is one third to one half of the area of the upper concave region 242.
The left feed inlet 211 and the right feed inlet 212 are both arc-shaped structures forming the same circular ring 213, and the sum of the areas of the left feed inlet 211 and the right feed inlet 212 is smaller than the area of the same circular ring 213 where the left feed inlet 211 and the right feed inlet 212 are located.
The shaft attaching part 55 comprises a shaft attaching cylinder 551 and a plurality of shaft attaching blades 552, the inner wall of the shaft attaching cylinder 551 is fixedly connected with the outer wall of the stirring shaft 52 penetrating through the shaft attaching cylinder 551, the outer wall of the shaft attaching cylinder 551 is connected with the inner ends of the shaft attaching blades 552, the outer ends of the shaft attaching blades 552 extend outwards, and the shaft attaching blades 552 are uniformly arranged on the shaft attaching cylinder 551.
The shaft-attached blade 552 is of an inward concave arc-shaped structure, and an arc-shaped shaft-attached included angle 553 is formed between the inner end of the shaft-attached blade 552 and the outer wall of the shaft-attached cylinder 551.
The outer cover has hollow wave section of thick bamboo 56 on the position that lies in between attaching shaft 55, the end agitator disk 54 on the (mixing) shaft 52, the top of wave section of thick bamboo 56 is connected with (mixing) shaft 52, and the bottom of wave section of thick bamboo 56 is connected with the top surface of end agitator disk 54, and wave cavity 561 has been seted up to the inside of wave section of thick bamboo 56, is provided with a plurality of wave swell 562 on the surface of wave section of thick bamboo 56, and the top of wave section of thick bamboo 56 is narrower than its bottom setting.
The middle part of the bottom surface of the bottom stirring disc 54 is connected with the top end of the dispersing ball 57 through a disc lower shaft 541, the dispersing ball 57 comprises a left hollow part 571, a middle solid part 572 and a right hollow part 573, ball cavities 574 are respectively arranged inside the left hollow part 571 and the right hollow part 573, the top end of the middle solid part 572 is connected with the bottom surface of the bottom stirring disc 54 through the disc lower shaft 541, the left side and the right side of the middle solid part 572 are respectively connected with the inner end surfaces of the left hollow part 571 and the right hollow part 573, the outer end surfaces of the left hollow part 571 and the right hollow part 573 are respectively provided with a movable port 575 to be communicated with the corresponding ball cavity 574, a movable ball 581 is arranged in the ball cavity 574, the movable ball 581 is connected with the inner end of a cone shaft 582, the outer end of the cone shaft 582 is connected with the inner end of a movable cone 58 positioned outside the dispersing ball 57 after passing through the movable ports 575, and at least two cone blades 583 are uniformly arranged on the side wall of the movable cone 58, and the diameters of the taper shaft 582, the movable port 575 and the movable ball 581 are sequentially increased.
The highest point of the upward movement of the movable cones 58 around the movable port 575 is lower than the bottom surface of the bottom stirring plate 54, and the area of the vertical projection of the dispersing ball 57 and the two movable cones 58 thereon on the corresponding bottom surface of the bottom stirring plate 54 is smaller than that of the bottom surface of the bottom stirring plate 54.
The discharge port 231 comprises a left discharge port 232 and a right discharge port 233, the bottom 23 comprises a left trouser part 234, a plurality of middle parts 235 and a right trouser part 236, each of the plurality of middle parts 235 comprises a plurality of top ends 237 and a plurality of left legs 238 and a plurality of right legs 239 connected with the two bottom ends of the top ends, the inner end of the left trouser part 234 is connected with the bottom ends of the plurality of left legs 238, the inner end of the right trouser part 236 is connected with the bottom ends of the plurality of right legs 239, the left discharge port 232 is arranged on the bottom surface of the left trouser part 234, the right discharge port 233 is arranged on the bottom surface of the right trouser part 236, and a dispersion ball 57 is respectively arranged above the top ends of the left trouser part 234 and the right trouser part 236 in a suspending manner.
The bottom of the cell gap 501 existing between the left and right stirring cells 51 and 50 is in contact with the top ends 237, the movable cone 58 of the left stirring cell 51 is arranged at the left side of the movable farthest point on the right side near the top ends 237, and the movable cone 58 of the right stirring cell 50 is arranged at the right side of the movable farthest point on the left side near the top ends 237; the external vision network 221 arranged in the bottom surface of the top ends 237 is connected with the top end of the external vision vertical tube 222, the bottom end of the external vision vertical tube 222 is vertically connected with the inner end of the external vision horizontal tube 223, and the top ends 237, the external vision network 221 and the external vision vertical tube 222 are coaxially arranged.
The principle of the invention is illustrated as follows:
sand conveyer belt 7: the drying drum 1 is fed with raw sand material, such as yellow sand, green sand or other quartz sand.
Drying roller 1: and (3) carrying out turnover drying on the fed original sand material to obtain a dry material, and conveying the dry material onto a dry material conveying belt 3.
And (3) a dry material conveying belt: the fed dry materials are continuously fed into a stirring device.
Auxiliary material feeder 8: the raw materials except the sand materials are taken as auxiliary materials, such as fly ash, additives, cement and the like, and the auxiliary materials and the dry materials conveyed by the dry material conveying belt 3 are conveyed into the stirring device together.
In the invention, when the stirring shaft 52 moves up and down, the rotation direction can be switched between clockwise and anticlockwise at intervals along with the rotation of the stirring shaft, and the interval switching of the rotation direction can switch the stirring screen 53 to move upwards and downwards, so that the stirring screen 53 realizes the switching between planes and conical surfaces.
The bottom agitator disk 54 of the present invention is provided with annular disk agitator teeth 542 on its side walls to enhance the crushing and dispersing effect.
Example 1:
referring to fig. 1 to 10, a production line device for producing common dry-mixed mortar comprises a sand conveyer belt 7, a drying roller 1, a dry material conveyer belt 3, an auxiliary material feeder 8 and a stirring device, wherein a discharge port of the sand conveyer belt 7 is communicated with a feed port of the drying roller 1, a discharge port of the drying roller 1 is communicated with a feed port of the dry material conveyer belt 3, and a discharge port of the dry material conveyer belt 3 and a discharge port of the auxiliary material feeder 8 are both communicated with a feed port of the stirring device; the stirring device comprises an outer stirring cylinder 2 and an inner stirrer 5, the top end of the inner stirrer 5 is higher than the top of the outer stirring cylinder 2, and the bottom end of the inner stirrer 5 extends downwards to the inside of the outer stirring cylinder 2; the outer stirring cylinder 2 comprises a cylinder top 21, a cylinder side 22 and a cylinder bottom 23, a left feed inlet 211 and a right feed inlet 212 are arranged on the top surface of the cylinder top 21 near the outer side edge thereof, a discharge outlet 231 is arranged on the bottom surface of the cylinder bottom 23, the cylinder side 22 comprises an upper concave arc channel 24, a middle convex arc channel 25, a middle concave arc channel 26 and a lower convex arc channel 27 which are sequentially connected from top to bottom, the top end of the upper concave arc channel 24 is connected with the bottom surface of the cylinder top 21, an outer convex point 241 of the upper concave arc channel 24 is connected with the middle convex arc channel 25 to form an upper concave area 242, the bottom end of the lower convex arc channel 27 is connected with the top end of the cylinder bottom 23, and a lower convex point 271 on the lower convex arc channel 27 is arranged close to the junction of the lower convex arc channel 27 and the cylinder bottom 23; the inner stirrer 5 comprises a left stirring unit 51 and a right stirring unit 50 which are arranged side by side and have the same structure, and a unit gap 501 is formed between the left stirring unit 51 and the right stirring unit 50; the stirring left unit 51 comprises a stirring shaft 52, a stirring disc net 53 and a bottom stirring disc 54, the top end of the stirring shaft 52 passes through a stirring bearing 521 arranged in the middle of the top 21 of the cylinder and then extends upwards to the position right above the top 21 of the cylinder, the bottom end of the stirring shaft 52 is connected with the top of the bottom stirring disc 54, a net fixing bearing 531 in sliding fit with the stirring shaft 52 is sleeved outside the position of the stirring shaft 52 close to the joint of the stirring shaft 52 and the top 21 of the cylinder, the outer side of the net fixing bearing 531 is connected with the top end of the stirring disc net 53 sleeved outside the net fixing bearing 531, the bottom end of the stirring disc net 53 is connected with the inner edge of a weight increasing ring belt 532, the outer edge of the weight increasing ring belt 532 extends to the position right above the upper concave area 242, the bottom of the net fixing bearing 531 is contacted with the top end of an attached shaft element 55 sleeved on the stirring shaft 52, the bottom end of the attached element 55 is arranged close to the bottom stirring disc 54, the outer edge of the bottom stirring disc 54 is arranged close to a lower convex point 271 on the lower convex arc way 27, preferably, the area of the weighted zone 532 as vertically projected onto the upper concave region 242 is one third to one half of the area of the upper concave region 242.
Example 2:
the basic contents are the same as example 1, except that:
the shaft attaching part 55 comprises a shaft attaching cylinder 551 and a plurality of shaft attaching blades 552, the inner wall of the shaft attaching cylinder 551 is fixedly connected with the outer wall of the stirring shaft 52 penetrating through the shaft attaching cylinder 551, the outer wall of the shaft attaching cylinder 551 is connected with the inner ends of the shaft attaching blades 552, the outer ends of the shaft attaching blades 552 extend outwards, and the shaft attaching blades 552 are uniformly arranged on the shaft attaching cylinder 551. The shaft-attached blade 552 is of an inward concave arc-shaped structure, and an arc-shaped shaft-attached included angle 553 is formed between the inner end of the shaft-attached blade 552 and the outer wall of the shaft-attached cylinder 551.
Example 3:
the basic contents are the same as example 1, except that:
the outer cover has hollow wave section of thick bamboo 56 on the position that lies in between attaching shaft 55, the end agitator disk 54 on the (mixing) shaft 52, the top of wave section of thick bamboo 56 is connected with (mixing) shaft 52, and the bottom of wave section of thick bamboo 56 is connected with the top surface of end agitator disk 54, and wave cavity 561 has been seted up to the inside of wave section of thick bamboo 56, is provided with a plurality of wave swell 562 on the surface of wave section of thick bamboo 56, and the top of wave section of thick bamboo 56 is narrower than its bottom setting.
Example 4:
the basic contents are the same as example 1, except that:
the middle part of the bottom surface of the bottom stirring disc 54 is connected with the top end of the dispersing ball 57 through a disc lower shaft 541, the dispersing ball 57 comprises a left hollow part 571, a middle solid part 572 and a right hollow part 573, ball cavities 574 are respectively arranged inside the left hollow part 571 and the right hollow part 573, the top end of the middle solid part 572 is connected with the bottom surface of the bottom stirring disc 54 through the disc lower shaft 541, the left side and the right side of the middle solid part 572 are respectively connected with the inner end surfaces of the left hollow part 571 and the right hollow part 573, the outer end surfaces of the left hollow part 571 and the right hollow part 573 are respectively provided with a movable port 575 to be communicated with the corresponding ball cavity 574, a movable ball 581 is arranged in the ball cavity 574, the movable ball 581 is connected with the inner end of a cone shaft 582, the outer end of the cone shaft 582 is connected with the inner end of a movable cone 58 positioned outside the dispersing ball 57 after passing through the movable ports 575, and at least two cone blades 583 are uniformly arranged on the side wall of the movable cone 58, and the diameters of the taper shaft 582, the movable port 575 and the movable ball 581 are sequentially increased. The highest point of the upward movement of the movable cones 58 around the movable port 575 is lower than the bottom surface of the bottom stirring plate 54, and the area of the vertical projection of the dispersing ball 57 and the two movable cones 58 thereon on the corresponding bottom surface of the bottom stirring plate 54 is smaller than that of the bottom surface of the bottom stirring plate 54.
Example 5:
the basic contents are the same as example 4, except that:
the discharge port 231 comprises a left discharge port 232 and a right discharge port 233, the bottom 23 comprises a left trouser part 234, a plurality of middle parts 235 and a right trouser part 236, each of the plurality of middle parts 235 comprises a plurality of top ends 237 and a plurality of left legs 238 and a plurality of right legs 239 connected with the two bottom ends of the top ends, the inner end of the left trouser part 234 is connected with the bottom ends of the plurality of left legs 238, the inner end of the right trouser part 236 is connected with the bottom ends of the plurality of right legs 239, the left discharge port 232 is arranged on the bottom surface of the left trouser part 234, the right discharge port 233 is arranged on the bottom surface of the right trouser part 236, and a dispersion ball 57 is respectively arranged above the top ends of the left trouser part 234 and the right trouser part 236 in a suspending manner.
Example 6:
the basic contents are the same as those of the embodiment 5, except that:
the bottom of the cell gap 501 existing between the left and right stirring cells 51 and 50 is in contact with the top ends 237, the movable cone 58 of the left stirring cell 51 is arranged at the left side of the movable farthest point on the right side near the top ends 237, and the movable cone 58 of the right stirring cell 50 is arranged at the right side of the movable farthest point on the left side near the top ends 237; the external vision network 221 arranged in the bottom surface of the top ends 237 is connected with the top end of the external vision vertical tube 222, the bottom end of the external vision vertical tube 222 is vertically connected with the inner end of the external vision horizontal tube 223, and the top ends 237, the external vision network 221 and the external vision vertical tube 222 are coaxially arranged.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.

Claims (9)

1. The utility model provides an assembly line equipment of ordinary dry-mixed mortar of production, includes sand material conveyer belt (7), drying drum (1), drier conveyer belt (3), auxiliary material feeder (8) and agitating unit, the discharge gate of sand material conveyer belt (7) communicates with each other with the feed inlet of drying drum (1), and the discharge gate of drying drum (1) communicates with each other with the feed inlet of drier conveyer belt (3), and the discharge gate of drier conveyer belt (3), the discharge gate of auxiliary material feeder (8) all communicate with each other with agitating unit's feed inlet, its characterized in that:
the stirring device comprises an outer stirring cylinder (2) and an inner stirrer (5), the top end of the inner stirrer (5) is higher than the top of the outer stirring cylinder (2), and the bottom end of the inner stirrer (5) extends downwards to the inside of the outer stirring cylinder (2); the outer mixing drum (2) comprises a drum top (21), a drum side (22) and a drum bottom (23), the top surface of the cylinder top (21) near the outer side edge is provided with a left feed inlet (211) and a right feed inlet (212), a discharge hole (231) is formed in the bottom surface of the barrel bottom (23), the barrel side part (22) comprises an upper concave arc channel (24), a middle convex arc channel (25), a middle concave arc channel (26) and a lower convex arc channel (27) which are sequentially connected from top to bottom, the top end of the upper concave arc channel (24) is connected with the bottom surface of the cylinder top (21), an outer convex point (241) of the upper concave arc channel (24) and the middle convex arc channel (25) are mutually connected into an upper concave area (242), the bottom end of the lower arc channel (27) is connected with the top end of the cylinder bottom (23), and the lower salient point (271) on the lower arc channel (27) is arranged near the joint of the lower arc channel (27) and the barrel bottom (23);
the inner stirrer (5) comprises a left stirring unit (51) and a right stirring unit (50) which are arranged side by side and have the same structure, and a unit gap (501) is formed between the left stirring unit (51) and the right stirring unit (50); the stirring left unit (51) comprises a stirring shaft (52), a stirring disc net (53) and a bottom stirring disc (54), the top end of the stirring shaft (52) penetrates through a stirring bearing (521) arranged in the middle of the top (21) of the barrel and then extends to the position right above the top (21) of the barrel, the bottom end of the stirring shaft (52) is connected with the top of the bottom stirring disc (54), a net fixing bearing (531) in sliding fit with the stirring shaft (52) is sleeved outside the position, close to the joint of the stirring shaft (52) and the top (21) of the barrel, on the stirring shaft (52), the outer side periphery of the net fixing bearing (531) is connected with the top end of the stirring disc net (53) sleeved outside the net fixing bearing, the bottom end of the stirring disc net (53) is connected with the inner edge of a weight increasing ring belt (532), the outer edge of the weight increasing ring belt (532) extends to the position right above the concave area (242), and the bottom of the net fixing bearing (531) is in contact with the top end of an attached shaft piece (55) sleeved on the stirring shaft (52), the bottom end of the auxiliary shaft piece (55) is arranged close to the bottom stirring disc (54), and the outer edge of the bottom stirring disc (54) is arranged close to the lower salient point (271) on the lower arc channel (27); the area of the vertical projection of the weight-gaining annulus (532) on the upper concave area (242) is one third to one half of the area of the upper concave area (242); the net fixing bearing (531) and the stirring disc net (53) operate according to the following method:
the stirring shaft (52) drives the stirring disc net (53) to rotate, on the basis of the rotation of the stirring disc net (53), the stirring shaft (52) drives the net fixing bearing (531) to move up and down, wherein the net fixing bearing (531) moving upwards can provide an upward force for the stirring disc net (53), accumulated materials on the weight increasing ring belt (532) can provide a downward force for the stirring disc net (53), the stirring disc net (53) under the action of the upward force and the downward force is pulled into a conical surface, until the net fixing bearing (531) slides upwards to collide with the stirring bearing (521), the net fixing bearing (531) is applied with a counterforce by the stirring bearing (521) to move downwards, and the stirring disc net (53) is gradually changed into a plane from the conical surface;
in the process that the mesh fixed bearing (531) moves upwards, the stirring disc mesh (53) disperses the raw materials entering from the feeding hole in a conical surface mode, meanwhile, the weight-increasing annular belt (532) is gradually drawn out of the upper concave area (242), and the downward sliding amount of the accumulated materials is gradually increased through the gradual drawing-out operation;
in the process of descending the mesh-fixed bearing (531), the stirring disc mesh (53) gradually changes from a conical surface to a plane, and meanwhile, the weight-increasing ring belt (532) gradually moves to the position right above the upper concave area (242), so that the downward sliding amount of the raw materials is gradually reduced until accumulated materials are formed.
2. The assembly line equipment for producing common dry-mixed mortar according to claim 1, wherein: the left feeding hole (211) and the right feeding hole (212) are both arc-shaped structures forming the same circular ring (213), and the sum of the areas of the left feeding hole (211) and the right feeding hole (212) is smaller than the area of the same circular ring (213) where the left feeding hole and the right feeding hole are located.
3. The assembly line equipment for producing common dry-mixed mortar according to claim 1, wherein: the shaft attaching part (55) comprises a shaft attaching cylinder (551) and a plurality of shaft attaching blades (552), the inner wall of the shaft attaching cylinder (551) is fixedly connected with the outer wall of the stirring shaft (52) penetrating through the shaft attaching cylinder, the outer wall of the shaft attaching cylinder (551) is connected with the inner ends of the shaft attaching blades (552), the outer ends of the shaft attaching blades (552) extend outwards, and the shaft attaching blades (552) are uniformly arranged on the shaft attaching cylinder (551).
4. The production line equipment for producing common dry-mixed mortar according to claim 3, characterized in that: the shaft attaching blade (552) is of an inwards concave arc structure, and an arc shaft attaching included angle (553) is formed between the inner end of the shaft attaching blade (552) and the outer wall of the shaft attaching cylinder (551).
5. The assembly line equipment for producing common dry-mixed mortar according to claim 1, wherein: the stirring shaft (52) is positioned between the auxiliary shaft element (55) and the bottom stirring disc (54), a hollow wave cylinder (56) is sleeved outside the stirring shaft (52), the top end of the wave cylinder (56) is connected with the stirring shaft (52), the bottom end of the wave cylinder (56) is connected with the top surface of the bottom stirring disc (54), a wave cavity (561) is formed in the wave cylinder (56), a plurality of wave bulges (562) are arranged on the outer surface of the wave cylinder (56), and the top end of the wave cylinder (56) is narrower than the bottom end of the wave cylinder.
6. The assembly line equipment for producing common dry-mixed mortar according to claim 1, wherein: the middle part of the bottom surface of the bottom stirring disc (54) is connected with the top end of a dispersing ball (57) through a disc lower shaft (541), the dispersing ball (57) comprises a left hollow part (571), a middle solid part (572) and a right hollow part (573), ball cavities (574) are respectively formed in the left hollow part (571) and the right hollow part (573), the top end of the middle solid part (572) is connected with the bottom surface of the bottom stirring disc (54) through the disc lower shaft (541), the left side and the right side of the middle solid part (572) are respectively connected with the inner end surfaces of the left hollow part (571) and the right hollow part (573), the outer end surfaces of the left hollow part (571) and the right hollow part (573) are respectively provided with a movable port (575) to be communicated with the corresponding ball cavity (574), a movable ball (581) is arranged in the ball cavity (574), the movable ball (581) is connected with the inner end of a cone shaft (582), and the outer end of the cone (582) penetrates through the movable port (575) and then is connected with the dispersing ball cavity (58) outside the dispersing ball (57) ) The inner ends of the movable cones (58) are connected, at least two cone blades (583) are uniformly arranged on the side wall of each movable cone (58), and the diameters of the cone shaft (582), the movable port (575) and the movable ball (581) are sequentially increased.
7. The production line equipment for producing common dry-mixed mortar according to claim 6, wherein: the highest point of the upward movement of the movable cones (58) around the movable port (575) is lower than the bottom surface of the bottom stirring plate (54), and the area of the vertical projection of the dispersing ball (57) and the two movable cones (58) thereon on the corresponding bottom surface of the bottom stirring plate (54) is smaller than the area of the bottom surface of the bottom stirring plate (54).
8. The production line equipment for producing common dry-mixed mortar according to claim 6, wherein: the discharge hole (231) comprises a left discharge hole (232) and a right discharge hole (233), the bottom (23) comprises a left trouser part (234), a plurality of middle parts (235) and a right trouser part (236), each middle part (235) comprises a plurality of top ends (237) and a plurality of left feet (238) and a plurality of right feet (239) which are connected with the two bottom ends of the top ends, the inner end of the left trouser part (234) is connected with the bottom ends of the left feet (238), the inner end of the right trouser part (236) is connected with the bottom ends of the right feet (239), the left discharge hole (232) is formed in the bottom surface of the left trouser part (234), the right discharge hole (233) is formed in the bottom surface of the right trouser part (236), and a dispersion ball (57) is arranged right above the top ends of the left trouser part (234) and the right trouser part (236) in a suspending manner.
9. The production line equipment for producing common dry-mixed mortar according to claim 8, wherein: the bottom of a cell gap (501) existing between the stirring left cell (51) and the stirring right cell (50) is in contact with the top ends (237), the movable cone (58) in the stirring left cell (51) is arranged at the left side of the movable farthest point on the right side close to the top ends (237), and the movable cone (58) in the stirring right cell (50) is arranged at the right side of the movable farthest point on the left side close to the top ends (237); the external vision net (221) arranged in the bottom surface of the top ends (237) is connected with the top end of the external vision vertical tube (222), and the bottom end of the external vision vertical tube (222) is vertically connected with the inner end of the external vision horizontal tube (223).
CN201811265065.3A 2018-10-29 2018-10-29 Production line equipment for producing common dry-mixed mortar Active CN109552830B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024719A2 (en) * 1979-08-30 1981-03-11 Wachter KG.Hindelang Baustoffwerk Bautechnik Device for continuously producing and feeding of mortar or the like
CN103624878A (en) * 2013-11-28 2014-03-12 三一汽车制造有限公司 Dry-mixed mortar stirring station and screening and crushing system thereof
CN204183714U (en) * 2014-10-29 2015-03-04 宜宾煜森节能科技开发有限公司 A kind of double-axis reverse material mixer
CN104924462A (en) * 2015-06-18 2015-09-23 苏晓玲 Efficient concrete mixer with water capable of being added automatically
CN206357426U (en) * 2017-01-04 2017-07-28 张志国 A kind of slurry mixing agitator for building
CN207480901U (en) * 2017-10-30 2018-06-12 李志兴 A kind of high level mortar stirring conveying device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024719A2 (en) * 1979-08-30 1981-03-11 Wachter KG.Hindelang Baustoffwerk Bautechnik Device for continuously producing and feeding of mortar or the like
CN103624878A (en) * 2013-11-28 2014-03-12 三一汽车制造有限公司 Dry-mixed mortar stirring station and screening and crushing system thereof
CN204183714U (en) * 2014-10-29 2015-03-04 宜宾煜森节能科技开发有限公司 A kind of double-axis reverse material mixer
CN104924462A (en) * 2015-06-18 2015-09-23 苏晓玲 Efficient concrete mixer with water capable of being added automatically
CN206357426U (en) * 2017-01-04 2017-07-28 张志国 A kind of slurry mixing agitator for building
CN207480901U (en) * 2017-10-30 2018-06-12 李志兴 A kind of high level mortar stirring conveying device

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