CN218901462U - Material premixing device - Google Patents

Abstract

A material premixing device comprises a spreading belt conveyor, a left moving trolley, a right moving trolley, a left upright post, a right upright post, a lifting mechanism, a stirring device, a spray pipe, a material adding device and a discharge chute; the left moving trolley is arranged at the left side of the spreading belt conveyor, and the right moving trolley is arranged at the right side of the spreading belt conveyor; the left upright post is vertically arranged on the left movable trolley, and the right upright post is vertically arranged on the right movable trolley; the left end of the lifting mechanism is positioned on the left upright post, the right end of the lifting mechanism is positioned on the right upright post, and the lifting mechanism can move up and down along the left upright post and the right upright post; the stirring device is rotatably arranged on the lifting mechanism; the left end of the spray pipe is connected with the left upright post, and the right end of the spray pipe is connected with the right upright post; the left end of the material adding device is connected with the left upright post, and the right end is connected with the right upright post; the discharging groove is positioned at the discharging end of the spreading belt conveyor. The device can add the material and stir the material in the material premixing process, and the material is conveniently transported to next process department after mixing.

Description

Material premixing device

Technical Field

The utility model relates to the field of material mixing, in particular to a material premixing device.

Background

In industry, a plurality of materials need to be premixed and then added into a stirrer for batch stirring, otherwise, the materials are unevenly mixed, and the product quality is affected.

For example, biological active mud used in brewing wine, and the preparation of the biological active mud needs to be performed in advance; during premixing, loess is selected as base soil, and then silkworm chrysalis, bean pulp powder, pig bone powder, mother grain, zoogloea, mother liquor, boiling water and other materials are added into the base soil for stirring and mixing; and then the premixed material is sent to a stirrer for stirring.

At present, when preparing the bioactive mud, the foundation soil is paved on the ground, then materials are manually added into the foundation soil, stirring and mixing are carried out, and then the mixed materials are manually sent to a stirrer. This results in low production efficiency and high artificial fatigue strength.

Disclosure of Invention

The utility model aims at: to the problem that exists, provide a material premixing device, the device can add the material and stir the material at material premixing in-process, and the material is transported to next process department to the convenience after mixing.

The technical scheme adopted by the utility model is as follows:

a material premixing device which is characterized in that: the device comprises a spreading belt conveyor, a left moving trolley, a right moving trolley, a left upright post, a right upright post, a lifting mechanism, a stirring device, a spray pipe, a material adding device and a discharge chute;

The left moving trolley is arranged at the left side of the spreading belt conveyor, and the right moving trolley is arranged at the right side of the spreading belt conveyor; the left upright post is vertically arranged on the left moving trolley, and the right upright post is vertically arranged on the right moving trolley; the left end of the lifting mechanism is positioned on the left upright post, the right end of the lifting mechanism is positioned on the right upright post, and the lifting mechanism can move up and down along the left upright post and the right upright post; the stirring device is rotatably arranged on the lifting mechanism; the left end of the spray pipe is connected with the left upright post, the right end of the spray pipe is connected with the right upright post, and a plurality of spray holes are formed in the bottom of the spray pipe; the left end of the material adding device is connected with the left upright post, and the right end of the material adding device is connected with the right upright post; the discharging groove is positioned at the discharging end of the spreading belt conveyor.

Further, the material adding device comprises a fixed hopper and a movable hopper; the left end of the fixed hopper is connected with the left upright post, and the right end of the fixed hopper is connected with the right upright post; the top of the fixed hopper is provided with a fixed hopper feed inlet, the bottom of the fixed hopper is provided with a fixed hopper discharge outlet, and a stirring mechanism is arranged in the fixed hopper; the top of the movable hopper is provided with a movable hopper feed inlet, the bottom of the movable hopper is provided with a movable hopper discharge outlet, and a distributor is arranged in the movable hopper; the upper part of the movable hopper is connected with the lower part of the fixed hopper through a swinging mechanism, and the movable hopper can swing relative to the fixed hopper through the swinging mechanism.

Further, the swing mechanism is positioned on the side surfaces of the fixed hopper and the movable hopper, and the movable hopper can swing back and forth relative to the fixed hopper through the swing mechanism;

the swing mechanism comprises an upper connecting bolt I, an upper connecting bolt II, a swing rod I, a swing rod II, a lower connecting bolt I, a lower connecting bolt II, a limit bolt I and a limit bolt II;

the upper end of the first swing rod is movably connected with the fixed hopper through the first upper connecting bolt, the lower end of the first swing rod is movably connected with the movable hopper through the first lower connecting bolt, and one end of the first limit bolt can penetrate through the first swing rod and be inserted into the fixed hopper together to limit the swing of the first swing rod;

the upper end of the second swing rod is movably connected with the fixed hopper through the second upper connecting bolt, the lower end of the second swing rod is movably connected with the movable hopper through the second lower connecting bolt, and one end of the second limit bolt can penetrate through the second swing rod and be inserted into the fixed hopper to limit the swing of the second swing rod.

Further, a first sliding groove is formed in the upper end of the first swing rod, and the first sliding groove penetrates through the first swing rod in the thickness direction of the first swing rod; the length direction of the first sliding groove is consistent with the length direction of the first swinging rod; one end of the first upper connecting bolt penetrates through the sliding groove and is connected with the fixed hopper, the upper end of the first swing rod can rotate around the first upper connecting bolt, and the first upper connecting bolt and the first swing rod can move relatively along the first sliding groove; a first connecting hole is formed in the lower end of the swing rod, and penetrates through the first swing rod in the thickness direction of the first swing rod; one end of the first lower connecting bolt penetrates through the connecting hole and is connected with the movable hopper, and the lower end of the swing rod can rotate around the first lower connecting bolt; the first swing rod is provided with a first limiting hole, the first limiting hole is positioned below the first sliding chute, and the first limiting hole penetrates through the first swing rod in the thickness direction of the first swing rod; one end of the first limit bolt can pass through the limit hole and be inserted into the fixed hopper together to limit the swing of the first swing rod;

The upper end of the second swing rod is provided with a second sliding groove, and the second sliding groove penetrates through the second swing rod in the thickness direction of the second swing rod; the length direction of the second sliding groove is consistent with the length direction of the second swinging rod; one end of the second upper connecting bolt penetrates through the second chute and is connected with the fixed hopper, the upper end of the second swing rod can rotate around the second upper connecting bolt, and the second upper connecting bolt and the second swing rod can relatively move along the second chute; the lower end of the second swing rod is provided with a second connecting hole, and the second connecting hole penetrates through the second swing rod in the thickness direction of the second swing rod; one end of the second lower connecting bolt penetrates through the second connecting hole and is connected with the movable hopper, and the lower end of the second swing rod can rotate around the second lower connecting bolt; a second limiting hole is formed in the second swing rod, the limit Kong Erwei is arranged below the second sliding chute, and the second limiting hole penetrates through the second swing rod in the thickness direction of the second swing rod; one end of the second limit bolt can pass through the second limit hole and be inserted into the fixed hopper to limit the swing of the second swing rod;

a fastening device is arranged between the fixed hopper and the movable hopper and comprises an upper bolt seat, a lower bolt seat and a fastening bolt; the upper bolt seat is arranged on the fixed hopper, the lower bolt seat is arranged on the movable hopper, and the upper bolt seat is connected with the lower bolt seat through a fastening bolt.

Further, one or more first limit bolt mounting holes and one or more second limit bolt mounting holes are formed in the fixed hopper, the first limit bolt mounting holes are located on the moving track of the first limit holes, and the limit bolts are mounted Kong Erwei on the moving track of the second limit holes.

Further, the lifting mechanism comprises a cross rod, a left screw rod, a right screw rod, a left transmission case and a right transmission case; the threads of the left screw and the right screw are opposite in rotation direction;

a left vertical groove is formed in the left upright post; the left vertical groove penetrates through the left upright post from left to right; the left screw rod is vertically arranged in the left vertical groove; the upper end of the left screw rod is fixedly connected with the top of the left vertical groove, and the lower end of the left screw rod is fixedly connected with the bottom of the left vertical groove; the left transmission case is arranged in the left vertical groove and sleeved on the left screw;

a right vertical groove is formed in the right upright post; the right vertical groove penetrates through the right upright post from left to right; the right screw is vertically arranged in the vertical groove; the upper end of the right screw rod is fixedly connected with the top of the right vertical groove, and the lower end of the right screw rod is fixedly connected with the bottom of the right vertical groove; the right transmission case is arranged in the right vertical groove and sleeved on the right screw;

The left end of the cross rod is inserted into the left transmission case from the right side of the left transmission case, and the right end of the cross rod is inserted into the right transmission case from the left side of the right transmission case;

a first left bevel gear and a second left bevel gear are arranged in the left transmission case; the first left bevel gear is sleeved on the left screw rod, and the second left bevel gear is sleeved at the left end of the cross rod; the first left bevel gear is meshed with the second left bevel gear; a right bevel gear I and a right bevel gear II are arranged in the right transmission case; the first right bevel gear is sleeved on the right screw rod, and the second right bevel gear is sleeved at the right end of the cross rod; the right bevel gear I and the right bevel gear II are meshed with each other;

a hand wheel shaft is rotatably arranged on the right side of the right transmission case; the left end of the hand wheel shaft is inserted into the right transmission case; a right bevel gear III is arranged in the right transmission case, and the right bevel gear III is sleeved at the left end of the hand wheel shaft and meshed with the right bevel gear I; a hand wheel is arranged at the left end of the hand wheel shaft;

the stirring device is rotatably arranged on the cross rod.

Further, the stirring device comprises a shaft sleeve and a plurality of toothed bars arranged on the shaft sleeve; the shaft sleeve is rotatably sleeved on the cross rod; one end of the shaft sleeve is connected with a shaft sleeve driving device, and the shaft sleeve driving device is used for driving the shaft sleeve to rotate on the cross rod.

Further, the toothed bars are arranged in parallel at equal intervals along the length direction of the shaft sleeve to form a toothed bar shaft sleeve row; a plurality of toothed bars are arranged in the circumferential direction of the shaft sleeve.

Further, a scraping plate is detachably arranged on the toothed bar row below the shaft sleeve, and the length of the scraping plate is larger than the distance between the left upright post and the right upright post; the both ends of scraper blade pass through the bolt and can dismantle with left stand and right stand and be connected.

Further, the top of the discharging chute is provided with an opening, the front end of the discharging chute is provided with a discharging chute feeding port, the rear end of the discharging chute is provided with a discharging chute discharging port, and the discharging chute feeding port is positioned at the discharging end of the spreading belt conveyor; in the width direction of the discharge chute, the opening of the feed inlet of the discharge chute is larger than that of the discharge outlet of the discharge chute; the discharging chute is internally provided with a material conveying device, and the material conveying device is used for conveying materials from a discharging chute feed inlet to a discharging chute discharge outlet.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

according to the material premixing device, due to the existence of the stirring device and the material adding device, materials are conveniently added and stirred in the premixing process, and due to the existence of the spreading belt conveyor, the materials are mixed on the belt conveyor, and after the mixing is finished, the mixed materials are conveniently transported to the next working procedure. Saving manpower and improving the preparation efficiency of the bioactive sludge.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a block diagram of a material adding device;

FIG. 3 is a block diagram of a swing mechanism;

FIG. 4 is a block diagram of a feed split shaft;

FIG. 5 is a block diagram of a lifting mechanism;

FIG. 6 is a block diagram with posts;

FIG. 7 is a block diagram of a spout;

FIG. 8 is a block diagram of a belt conveyor laid on the spout floor;

FIG. 9 is a block diagram of an inlet sheave provided at the feed inlet of the spout.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-8, a material premixing device comprises a spreading belt conveyor, a left moving trolley 1, a right moving trolley 6, a left upright post 2, a right upright post 5, a lifting mechanism, a stirring device 8, a spray pipe 3, a material adding device 4 and a discharge chute 9;

the left moving trolley 1 is arranged at the left side of the spreading belt conveyor, and the right moving trolley 6 is arranged at the right side of the spreading belt conveyor; the left moving trolley 1 and the right moving trolley 6 are positioned on the track; the left upright post 2 is vertically arranged on the left moving trolley 1, and the right upright post 5 is vertically arranged on the right moving trolley 6; the left end of the lifting mechanism is positioned on the left upright post 2, the right end of the lifting mechanism is positioned on the right upright post 5, and the lifting mechanism can move up and down along the left upright post 2 and the right upright post 5; the stirring device 8 is rotatably arranged on the lifting mechanism; the left end of the spray pipe 3 is connected with the left upright post 2, the right end of the spray pipe is connected with the right upright post 5, and a plurality of spray holes are formed in the bottom of the spray pipe 3; the left end of the material adding device 4 is connected with the left upright post 2, and the right end is connected with the right upright post 5; the discharge chute 9 is positioned at the discharge end of the spreading belt conveyor.

Due to the structure, when preparing the bioactive mud, the spreading belt conveyor stops transporting, the foundation soil is paved on the spreading belt conveyor, and the length and the width of the whole belt conveyor are paved; then introducing liquid to be added into the spray pipe 3, and adding materials to be added into the material adding device 4; when the left moving trolley 1 and the right moving trolley 6 move along the length direction of the belt conveyor, the materials in the material adding device 4 can be added into the foundation soil, meanwhile, the liquid can be sprayed out and added into the foundation soil in the moving process, and the left moving trolley 1 and the right moving trolley can reciprocate to enable the materials and the liquid to be uniformly added into the foundation soil; after the materials are added, the height of the stirring device 8 is adjusted through a lifting mechanism; enabling the stirring device 8 to stir and turn over the material on the spreading belt conveyor. The left moving trolley 1 and the right moving trolley 6 reciprocate, so that the stirring device 8 can stir materials for multiple times, and the mixing uniformity of the materials is ensured. After premixing, the spreading belt conveyor moves to convey the material to the discharge chute 9, and then the material is conveyed to the next working procedure through the discharge chute 9.

The material premixing device provided by the utility model is convenient for adding materials and stirring the materials in the premixing process, and the mixed materials are convenient to transport to the next working procedure after being mixed. Saving manpower and improving the preparation efficiency of the bioactive sludge.

In the utility model, the spreading belt conveyor is of an existing structure and comprises a driving wheel, a driven wheel and a belt body sleeved on the driving wheel and the driven wheel, wherein the upper surface of the belt body is a working surface and is used for spreading materials and transporting the materials, and a plurality of carrier rollers are arranged below the upper surface of the belt body in order to avoid the depression of the upper surface of the belt body. The driving wheel is connected with a driving wheel driving motor, and the driving wheel driving motor is used for driving the driving wheel to rotate so as to drive the belt body to move. The shower pipe 3 is connected to the liquid tank by a pipe, and a pump for introducing the liquid of the liquid tank into the shower pipe 3 is provided in the liquid tank.

When the base soil and the added materials are paved on the paving belt conveyor, the materials are prevented from falling off the paving belt conveyor; baffle plates 10 can be arranged at the left side, the right side, the front end and the rear end of the spreading belt conveyor, and after the materials are spread and stirred, the baffle plates 10 at the rear end are removed, so that the mixed materials can be conveyed into the discharge chute 9.

The left moving trolley 1 and the right moving trolley 6 are respectively provided with a trolley driving motor, and the trolley driving motors are used for driving the rollers of the left moving trolley 1 and the right moving trolley 6 to rotate.

As shown in fig. 1, a left connecting rod is arranged at the top of the left upright post 2, and a right connecting rod is arranged at the top of the right upright post 5; the left connecting rod and the right connecting rod are horizontally arranged and parallel to each other; the rear end of the left connecting rod is connected with the top of the left upright post 2, the front end of the left connecting rod is connected with the left end of the material adding device 4, the rear end of the right connecting rod I is connected with the top of the right upright post 5, and the front end of the right connecting rod I is connected with the right end of the material adding device 4; the left end of the spray pipe 3 is arranged on the left connecting rod, and the right end is arranged on the right connecting rod.

Further, the material adding device 4 comprises a fixed hopper 401 and a movable hopper 402; the left end of the fixed hopper 401 is connected with the top of the left upright post 2 through a left connecting rod, and the right end is connected with the top of the right upright post 5 through a right connecting rod; the top of the fixed hopper 401 is provided with a feed inlet of the fixed hopper 401, the bottom of the fixed hopper 401 is provided with a discharge outlet of the fixed hopper 401, and a stirring mechanism 405 is arranged in the fixed hopper 401; the top of the movable hopper 402 is provided with a feed inlet of the movable hopper 402, the bottom of the movable hopper 402 is provided with a discharge outlet of the movable hopper 402, and a distributor is arranged in the movable hopper 402; the upper part of the movable hopper 402 is connected with the lower part of the fixed hopper 401 through a swinging mechanism, and the movable hopper 402 can swing relative to the fixed hopper 401 through the swinging mechanism.

Due to the above structure, when the viscous material is to be added, the movable hopper 402 swings to the rear of the fixed hopper 401, leaving the discharge port of the fixed hopper 401; the viscous material is directly stirred and crushed in the fixed hopper 401 by the stirring mechanism 405 and then is output from the discharge port of the fixed hopper 401. When powdery materials are to be added, the movable hopper 402 can firstly swing to the rear of the fixed hopper 401, and the feed inlet of the movable hopper 402 at the upper end is exposed; then adding the powdery material into the movable hopper 402, uniformly dispersing the powdery material by a distributor, and outputting the powdery material from a discharge hole of the movable hopper 402. When some materials are required to be crushed and then dispersed before the materials can be added into the foundation soil; the movable hopper 402 swings to the lower part of the fixed hopper 401, so that the discharge port of the fixed hopper 401 is vertically aligned with the discharge port of the movable hopper 402, then materials are placed into the fixed hopper 401, stirred and crushed and then sent to the movable hopper 402, and then the materials are uniformly dispersed by the distributor and then output from the discharge port of the movable hopper 402 and added into foundation soil.

The material adding device 4 is flexible to use, when the fixed hopper 401 and the movable hopper 402 are used separately, different kinds of materials can be added, and when the fixed hopper 401 and the movable hopper 402 are used in combination, the materials can be crushed first and then dispersed.

The swing mechanism is located at the side of the fixed hopper 401 and the movable hopper 402, and the movable hopper 402 can swing back and forth relative to the fixed hopper 401 through the swing mechanism.

When the volumes of the fixed hopper 401 and the movable hopper 402 are smaller, the swing mechanism is arranged at one side of the fixed hopper 401; when the fixed hopper 401 and the movable hopper 402 are large in volume, the swing mechanism needs to be symmetrically disposed on the left and right sides of the fixed hopper 401 and the movable hopper 402.

As shown in fig. 2 and 3, in the present utility model, a swing mechanism is provided on each of the left and right sides of the fixed hopper 401 and the movable hopper 402; the left swing mechanism and the right swing mechanism have the same structure and are symmetrical in installation position; the upper end of the left swing mechanism is connected with the left side surface of the fixed hopper 401; the lower end of the left swing mechanism is connected with the left side surface of the movable hopper 402; the upper end of the right swing mechanism is connected with the right side surface of the fixed hopper 401; the lower end of the right swing mechanism is connected with the right side surface of the movable hopper 402;

since the left swing mechanism and the right swing mechanism are symmetrically arranged and their structures and mounting positions are identical, the present embodiment will be described in detail with reference to the right swing mechanism as an example. As shown in fig. 2 and 3, the swing mechanism is provided on the right side of the fixed hopper 401 and the movable hopper 402; the swing mechanism comprises an upper connecting bolt I406, an upper connecting bolt II 416, a swing rod I403, a swing rod II 404, a lower connecting bolt I409, a lower connecting bolt II 413, a limit bolt I and a limit bolt II;

The upper end of the first swing rod 403 is movably connected with the fixed hopper 401 through an upper connecting bolt 406, the lower end of the first swing rod 403 is movably connected with the movable hopper 402 through a lower connecting bolt 409, and one end of the first limit bolt can penetrate through the first swing rod 403 and be inserted into the fixed hopper 401 to limit the swing of the first swing rod 403;

the upper end of the second swing rod 404 is movably connected with the fixed hopper 401 through the second upper connecting bolt 416, the lower end of the second swing rod 404 is movably connected with the movable hopper 402 through the second lower connecting bolt 413, and one end of the second limiting bolt can penetrate through the second swing rod 404 and be inserted into the fixed hopper 401 to limit the swing of the second swing rod 404.

Due to the above structure, when the movable hopper 402 is to swing backward, the swing link one 403 and the swing link two 404 of the right swing mechanism swing backward on the right side of the fixed hopper 401, and the swing link one 403 and the swing link two 404 of the left swing mechanism also swing backward on the left side of the fixed hopper 401; after the movable hopper 402 swings to the rear of the fixed hopper 401, a first limit bolt is inserted into a first swing rod 403 on two sides, a second limit bolt is inserted into a second swing rod 404, and the second limit bolt is screwed onto the fixed hopper 401; swing of the swing link one 403 and the swing link two 404 can be limited, and the movable hopper 402 is fixed at the rear of the fixed hopper 401; when the swing needs to be continued, the first limit bolt and the second limit bolt are taken down from the first swing rod 403 and the second swing rod 404.

As shown in fig. 2 and 3, the first swing link 403 and the second swing link 404 are arranged in parallel, the connection point between the upper end of the first swing link 403 and the fixed hopper 401 is close to the front surface of the fixed hopper 401, and the connection point between the lower end of the first swing link 403 and the movable hopper 402 is close to the front surface of the movable hopper 402; the connection point of the upper end of the swing rod II 404 and the fixed hopper 401 is close to the back surface of the fixed hopper 401, and the connection point of the lower end of the swing rod II 404 and the movable hopper 402 is close to the back surface of the movable hopper 402; the swing rod one 403 and the swing rod two 404 are separated by a little, so that the unstable operation of the movable hopper 402 can be avoided.

The upper end of the swing rod I403 is provided with a slide groove I407, and the slide groove I407 penetrates through the swing rod I403 in the thickness direction of the swing rod I403; the length direction of the first chute 407 is consistent with the length direction of the first swing rod 403; one end of the first upper connecting bolt 406 penetrates through the first chute 407 and is connected with the fixed hopper 401, the upper end of the first swing rod 403 can rotate around the first upper connecting bolt 406, and the first upper connecting bolt 406 and the first swing rod 403 can move relatively along the first chute 407; the lower end of the swing rod I403 is provided with a connecting hole I, and the connecting hole I penetrates through the swing rod I403 in the thickness direction of the swing rod I403; one end of the first lower connecting bolt 409 penetrates through the connecting hole and is connected with the movable hopper 402, and the lower end of the first swing rod 403 can rotate around the first lower connecting bolt 409; the first swing rod 403 is provided with a first limiting hole 408, the first limiting hole 408 is positioned below the first sliding chute 407, and the first limiting hole 408 penetrates through the first swing rod 403 in the thickness direction of the first swing rod 403; one end of the first limit bolt can pass through the first limit hole 408 and be inserted into the fixed hopper 401 to limit the swing of the first swing rod 403;

A second sliding groove 415 is formed in the upper end of the second swing rod 404, and the second sliding groove 415 penetrates through the second swing rod 404 in the thickness direction of the second swing rod 404; the length direction of the second sliding groove 415 is consistent with the length direction of the second swinging rod 404; one end of the second upper connecting bolt 416 penetrates through the second chute 415 and is connected with the fixed hopper 401, the upper end of the second swing rod 404 can rotate around the second upper connecting bolt 416, and the second upper connecting bolt 416 and the second swing rod 404 can move relatively along the second chute 415; the lower end of the second swing rod 404 is provided with a second connecting hole, and the second connecting hole penetrates through the second swing rod 404 in the thickness direction of the second swing rod 404; one end of the second lower connecting bolt 413 penetrates through the second connecting hole and is connected with the movable hopper 402, and the lower end of the second swing rod 404 can rotate around the second lower connecting bolt 413; a second limiting hole 414 is formed in the second swing rod 404, the second limiting hole 414 is located below the second sliding groove 415, and the second limiting hole 414 penetrates through the second swing rod 404 in the thickness direction of the second swing rod 404; one end of the second limit bolt can pass through the second limit hole 414 and be inserted into the fixed hopper 401 to limit the swing of the second swing rod 404.

Because of the existence of the first chute 407 and the second chute 415, when the movable hopper 402 is positioned right below the fixed materials, the movable hopper 402 can be pushed to move upwards, and the distance between the fixed hopper 401 and the movable hopper 402 is reduced. Without the presence of runner one 407 and runner two 415, the movable hopper 402 would not move upward, and the vertical spacing between the fixed hopper 401 and the movable hopper 402 would be large.

One or more first limit bolt mounting holes and one or more second limit bolt mounting holes are formed in the fixed hopper 401, the first limit bolt mounting holes are located on the moving track of the first limit holes 408, and the limit bolts are mounted Kong Erwei on the moving track of the second limit holes 414.

The first limit bolt mounting hole and the second limit bolt mounting hole are symmetrically formed on the left side surface and the right side surface of the fixed hopper 401; due to the existence of the first limit bolt mounting hole and the second limit bolt mounting hole, the first limit bolt and the second limit bolt can be conveniently inserted into the first limit bolt mounting hole and the second limit bolt mounting hole, and further movement of the swing rod I403 and the swing rod II 404 is limited; if the first limit bolt mounting holes 408 and the second limit bolt mounting holes 414 are more in number on the moving track; the more positions the movable hopper 402 can be fixed. The first limit bolt mounting hole and the second limit bolt mounting hole are threaded holes and do not penetrate through the side wall of the fixed hopper.

A fastening device is arranged between the fixed hopper 401 and the movable hopper 402, and the fastening device comprises an upper bolt seat 410, a lower bolt seat 411 and a fastening bolt 412; the upper bolt seat 410 is arranged on the fixed hopper 401, the lower bolt seat 411 is arranged on the movable hopper 402, and the upper bolt seat 410 and the lower bolt seat 411 are connected through a fastening bolt 412.

As shown in fig. 2 and 3, when the movable hopper 402 is located right below the fixed materials, the swing rod one 403 and the swing rod two 404 are in a vertical state, the fastening device is located between the swing rod one 403 and the swing rod two 404, at this time, the fastening bolt 412 is inserted into the upper bolt seat 410 and the lower bolt seat 411, and the upper bolt seat 410 and the lower bolt seat 411 can be moved toward or away from each other as long as the fastening bolt 412 is rotated; thereby moving the fixed hopper 401 and the movable hopper 402 away from or toward each other. In the process of being far away from or approaching to each other, the first limit bolt and the second limit bolt cannot be inserted into the first limit bolt mounting hole and the second limit bolt mounting hole.

The insertion of the fastening bolts 412 into the upper and lower bolt seats 410 and 411 can also limit the swing of the movable hopper 402; fixing the movable hopper 402 under the fixed hopper 401; when the movable hopper 402 is to be swung, the fastening bolt 412 needs to be removed. The fastening devices are symmetrically arranged at the left and right sides of the fixed hopper 401 and the movable hopper 402.

The stirring mechanism 405 comprises a plurality of stirring shafts which are arranged in parallel, and each stirring shaft is provided with a plurality of stirring blades or stirring teeth; the two ends of the stirring shaft are rotatably arranged on the side wall of the fixed hopper 401; the outside of the fixed hopper 401 is fixedly provided with a stirring shaft driving device, and the stirring shaft driving device is used for driving each stirring shaft to rotate.

In this embodiment, two ends of the stirring shaft are respectively rotatably disposed on a left side wall and a right side wall of the fixed hopper 401, and the stirring shaft driving device is fixedly disposed outside the left side wall of the fixed hopper 401; the left end of the stirring shaft extends out of the left side wall and is connected with a stirring shaft driving device; the stirring driving device comprises a stirring shaft driving motor and a gear set; the stirring shaft driving motor is fixedly arranged on the left side wall, and the gear set comprises a driven gear arranged at the left end of each stirring shaft and a driving gear arranged on the stirring shaft driving motor. The driven gears at the left ends of the two adjacent stirring shafts are meshed with each other, and the driving gear is meshed with one driven gear. The stirring shaft driving motor drives a plurality of stirring shafts to rotate through gears, so that the stirring mechanism 405 works to complete crushing and stirring of materials.

The distributor comprises a plurality of distributing shafts 417 which are arranged in parallel, wherein a plurality of grooves 418 are formed in the side wall of each distributing shaft 417 at equal intervals in parallel, and the grooves 418 extend along the length direction of the distributing shaft 417; the two ends of the material distributing shaft 417 are rotatably arranged on the inner wall of the movable hopper 402; a feed distributing shaft 417 driving device is fixedly arranged on the outer side of the movable hopper 402, and the feed distributing shaft 417 driving device is used for driving each feed distributing shaft 417 to rotate.

In this embodiment, two ends of the distributing shaft 417 are respectively rotatably disposed on the left side wall and the right side wall of the movable hopper 402, and the driving device of the distributing shaft 417 is fixedly disposed outside the left side wall of the movable hopper 402; the left end of the material distributing shaft 417 extends out of the left side wall and is connected with a material distributing shaft 417 driving device; the driving device of the material distributing shaft 417 comprises a material distributing shaft 417 driving motor and a gear set; the driving motor of the material distributing shaft 417 is fixedly arranged on the left side wall, and the gear set comprises a driven gear arranged at the left end of each material distributing shaft 417 and a driving gear arranged on the driving motor of the material distributing shaft 417. The driven gears at the left ends of the adjacent two material dividing shafts 417 are meshed with each other, and the driving gear is meshed with one of the driven gears. The distributing shaft 417 drives the motor to drive the distributing shafts 417 to rotate through gears, so that the distributing shafts 417 work, and uniform distribution of materials is completed.

During material distribution, materials firstly enter the top groove 418, and when the groove 418 rotates to the lower part, the materials can be poured out; since the grooves 418 of each of the dispensing shafts 417 are provided at equal intervals, the intervals of pouring are uniform, and the material can be uniformly added to the substrate. As shown in fig. 4, the grooves 418 on the adjacent two distributing shafts 417 are offset from each other, so as to avoid the alignment of the grooves on the two distributing shafts 417, which results in that the materials of the two grooves 418 are bonded together, and the uniformity of distributing is affected.

Further, as shown in fig. 5 and 6, the lifting mechanism comprises a cross bar 15, a left screw 11, a right screw 20, a left transmission case 12 and a right transmission case 21; the threads of the left screw 11 and the right screw 20 are opposite in rotation direction;

a left vertical groove is formed in the left upright post 2; the left vertical groove penetrates through the left upright post 2 from left to right; the left screw rod 11 is vertically arranged in the left vertical groove; the upper end of the left screw rod 11 is fixedly connected with the top of the left vertical groove, and the lower end of the left screw rod 11 is fixedly connected with the bottom of the left vertical groove; the left transmission case 12 is arranged in the left vertical groove and sleeved on the left screw 11; the left transmission case 12 can move up and down along the left screw 11;

a right vertical groove 24 is formed in the right upright post 5; the right vertical groove 24 penetrates through the right upright post 5 from left to right; the right screw rod 20 is vertically arranged in the vertical groove; the upper end of the right screw rod 20 is fixedly connected with the top of the right vertical groove 24, and the lower end of the right screw rod 20 is fixedly connected with the bottom of the right vertical groove 24; the right transmission case 21 is arranged in the right vertical groove 24 and sleeved on the right screw rod 20; the right transmission case 21 can move up and down along the right screw rod 20;

the left end of the cross rod 15 is inserted into the left transmission case 12 from the right side of the left transmission case, and the right end of the cross rod 15 is inserted into the right transmission case 21 from the left side of the right transmission case 21;

A first left bevel gear 14 and a second left bevel gear 13 are arranged in the left transmission case 12; the first left bevel gear 14 is sleeved on the left screw rod 11, and the lower end of the first left bevel gear 14 is rotationally connected with the bottom of the left transmission case 12; the second left bevel gear 13 is sleeved at the left end of the cross rod 15; the first left bevel gear 14 and the second left bevel gear 13 are meshed with each other; a right bevel gear I18 and a right bevel gear II 17 are arranged in the right transmission case 21; the first right bevel gear 18 is sleeved on the right screw rod 20, and the lower end of the second right bevel gear 18 is rotationally connected with the bottom of the right transmission case 21; the right bevel gear II 17 is sleeved at the right end of the cross rod 15; the right bevel gear I18 and the right bevel gear II 17 are meshed with each other;

a hand wheel shaft is rotatably arranged on the right side of the right transmission case; the left end of the hand wheel shaft is inserted into the right transmission case 21; a right bevel gear III 19 is arranged in the right transmission case, and the right bevel gear III 19 is sleeved at the left end of the hand wheel shaft and meshed with the right bevel gear I18; a hand wheel 25 is arranged at the left end of the hand wheel shaft;

the stirring device 8 is rotatably arranged on the cross bar 15.

Due to the above structure, when the hand wheel 25 is rotated, the third right bevel gear 19 is rotated, and then the first right bevel gear 18 is driven to rotate and lift along the screw rod; then the right bevel gear I18 drives the right bevel gear II 17 to rotate, so as to drive the cross rod 15 and the left bevel gear II 13 to rotate, then the left bevel gear II 13 drives the left bevel gear I14 to rotate, and then the left bevel gear I14 is lifted along the left screw 11; finally, the left bevel gear I14 and the right bevel gear I18 are synchronously lifted, the left transmission case 12 and the right transmission case 21 are synchronously lifted along with the left bevel gear I14 and the right bevel gear I18, the cross bar 15 is synchronously lifted along with the left transmission case 12 and the right transmission case 21, and further the winch on the cross bar 15 is driven to lift.

The left upright post 2 and/or the right upright post 5 are/is provided with a scale. Due to the presence of the scale, the lifting height of the stirring device 8 can be facilitated.

Further, the stirring device 8 comprises a shaft sleeve 16 and a plurality of toothed bars 23 arranged on the shaft sleeve 16; the shaft sleeve 16 is rotatably sleeved on the cross rod 15; one end of the shaft sleeve 16 is connected with a shaft sleeve 16 driving device, and the shaft sleeve 16 driving device is used for driving the shaft sleeve 16 to rotate on the cross rod 15.

The shaft sleeve 16 driving device is a shaft sleeve 16 driving motor, the shaft sleeve 16 driving motor is arranged on the right moving trolley 6, and the shaft sleeve 16 driving motor is connected with the right end of the shaft sleeve 16 in a belt transmission or chain transmission mode; as shown in fig. 2, the right end of the sleeve 16 is provided with a pulley 22.

Further, the toothed bars 23 are arranged in parallel and at equal intervals along the length direction of the shaft sleeve 16 to form a row of shaft sleeves 16 of the toothed bars 23; the sleeve 16 is provided with several rows of toothed bars 23 in the circumferential direction.

Further, a scraping plate is detachably arranged on the toothed bar 23 row below the shaft sleeve 16, and the length of the scraping plate is longer than the interval between the left upright post 2 and the right upright post 5; the two ends of the scraping plate are detachably connected with the left upright post 2 and the right upright post 5 through bolts.

The scraper blade is a rectangular plate, and the scraper blade passes through the detachable rack 23 that sets up in axle sleeve 16 below, then the scraper blade both ends are passing through the bolt and are linking to each other with left stand 2 and right stand 5, and at this moment, the scraper blade then can not rotate. At this time, when the trolley reciprocates, the lower end of the scraping plate can be used for scraping the materials. When the base soil is paved on the belt conveyor, the base soil needs to be scraped by the scraper, the scraper is detached after the base soil is scraped, and at the moment, the stirring device 8 can rotate, so that the base soil and materials mixed into the base soil can be stirred.

Further, as shown in fig. 7, the top of the discharging chute 9 is opened, the front end of the discharging chute 9 is provided with a discharging chute feeding port 905, the rear end is provided with a discharging chute discharging port 906, and the discharging chute feeding port 905 is positioned at the discharging end of the spreading belt conveyor; the opening of the discharge chute feed opening 905 is larger than the opening of the discharge chute discharge opening 906 in the width direction of the discharge chute 9; a material transporting device is arranged in the discharging chute 9 and is used for transporting materials from the discharging chute feed opening 905 to the discharging chute discharge opening 906.

Because the biological active mud has larger adhesiveness, the material transportation device arranged in the discharge chute 9 can avoid the material from being blocked in the discharge chute 9.

As shown in fig. 7 and 8, the material conveying device comprises a plurality of discharging belt conveyors 904 paved on the bottom surface 901 of the discharging chute, wherein the discharging belt conveyors 904 are arranged at equal intervals in parallel along the width direction of the discharging chute 9 and are paved with the bottom surface 901 of the discharging chute, so that the upper surfaces of the belt bodies of the discharging belt conveyors 904 are spliced into a conveying plane; the length direction of the discharge belt conveyor 904 coincides with the length direction of the discharge chute 9 and extends from the front end to the rear end of the discharge chute 9.

The discharge belt conveyor 904 and the blanket belt conveyor are both of the same construction as existing mechanisms, except that the size of the discharge belt conveyor 904 is small. The heights of the driving wheel, the driven wheel and the carrier roller of the discharging belt conveyor 904 are smaller than the heights of the side walls of the discharging chute 9. This ensures that the discharge belt conveyor 904 is laid on the discharge chute bottom 901. Preferably, the upper surface of the belt body of the discharging belt conveyor 904 is 1-5 cm higher than the bottom surface of the discharging chute.

In order to splice the upper surfaces of the belts of the outfeed belt conveyor 904 into a transport plane; the distance between two adjacent belts can be set to be close to some extent; as shown in fig. 8, 7 discharge belt conveyors 904 are laid on the bottom surface of the discharge chute 9 and are close to each other, leaving a gap of 0.5-1 cm, facilitating the rotation of the adjacent belt bodies. In fig. 7, in order to show that a plurality of discharge belt conveyors 904 are provided at the bottom of the discharge chute 9, the distance between two adjacent belt conveyors is relatively large.

In the discharge chute 9, the rotational speeds of the adjacent belt conveyors are not uniform. Therefore, the materials can be pulled to a certain extent, and the materials are further guaranteed to be fully mixed.

As shown in fig. 9, an inlet reel 907 is arranged at the feed port 905 of the discharge chute; the inlet reel 907 comprises a reel shaft and a plurality of stirring teeth arranged on the reel shaft; the left end of the winch shaft is rotatably arranged on the left side wall 903 of the discharge chute, and the right end of the winch shaft is rotatably arranged on the right side wall 902 of the discharge chute; an inlet reel 907 driving motor is fixedly arranged on the outer side of the left side wall 903 of the discharge chute or the right side wall 902 of the discharge chute, and the inlet reel 907 driving motor is connected with a reel shaft and is used for driving the inlet reel 907 to rotate.

Due to the presence of the inlet reel 907, the material on the decking belt conveyor can be stripped off and then fed into the discharge chute 9; at the same time, the inlet reel 907 is also able to stir the material once more.

The material premixing device provided by the utility model has the following use process:

the spreading belt conveyor stops transporting firstly, the baffle plates 10 arranged around the belt conveyor are closed, so that the belt conveyor and the baffle plates 10 around form a space with an upper opening, and then a certain volume of loess is paved in the space.

The scraping plate is arranged on a toothed bar 23 below the shaft sleeve 16 through bolts, then the scraping plate is adjusted to a proper height through a lifting mechanism, and then two ends of the scraping plate are connected with the left upright post 2 and the right upright post 5 through bolts, and at the moment, the scraping plate cannot rotate; when the left moving trolley 1 and the right moving trolley 6 move along the length direction of the belt conveyor, the lower end of the scraping plate can scrape loess in the future; after scraping, the scraping plate is detached from the toothed bar 23, so that the stirring device 8 can rotate, and the stirring device can be used for stirring materials.

The movable hopper 402 swings to the rear of the fixed hopper 401 to leave a discharge hole of the fixed hopper 401; then adding the sticky material into a fixed hopper 401, adding the powdery material into a movable hopper 402, and introducing the additive liquid into a spray pipe 3; adjusting the height of the stirring device 8; the left moving trolley 1 and the right moving trolley 6 reciprocate along the length direction of the spreading conveyor belt; the sticky material, the powdery material and the additive liquid are added into the loess, and the stirring device 8 continuously stirs the material in the moving process, so that the material is uniformly and fully mixed into the loess.

After mixing, the baffle 10 at the discharge end of the spreading belt conveyor is opened, and the belt conveyor works to transport the mixed material into the discharge chute 9. The discharge chute 9 then conveys the material to the next process.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (10)

1. A material premixing device which is characterized in that: the device comprises a spreading belt conveyor, a left moving trolley (1), a right moving trolley (6), a left upright post (2), a right upright post (5), a lifting mechanism, a stirring device (8), a spray pipe (3), a material adding device (4) and a discharge chute (9);

the left moving trolley (1) is arranged at the left side of the spreading belt conveyor, and the right moving trolley (6) is arranged at the right side of the spreading belt conveyor; the left upright post (2) is vertically arranged on the left moving trolley (1), and the right upright post (5) is vertically arranged on the right moving trolley (6); the left end of the lifting mechanism is positioned on the left upright post (2), the right end of the lifting mechanism is positioned on the right upright post (5), and the lifting mechanism can move up and down along the left upright post (2) and the right upright post (5); the stirring device (8) is rotatably arranged on the lifting mechanism; the left end of the spray pipe (3) is connected with the left upright post (2), the right end of the spray pipe is connected with the right upright post (5), and a plurality of spray holes are formed in the bottom of the spray pipe (3); the left end of the material adding device (4) is connected with the left upright post (2), and the right end is connected with the right upright post (5); the discharging groove (9) is positioned at the discharging end of the spreading belt conveyor.

2. The material premixing device of claim 1, wherein: the material adding device (4) comprises a fixed hopper (401) and a movable hopper (402); the left end of the fixed hopper (401) is connected with the left upright post (2), and the right end is connected with the right upright post (5); the top of the fixed hopper (401) is provided with a feed inlet of the fixed hopper (401), the bottom of the fixed hopper is provided with a discharge outlet of the fixed hopper (401), and a stirring mechanism (405) is arranged in the fixed hopper (401); the top of the movable hopper (402) is provided with a feed inlet of the movable hopper (402), the bottom of the movable hopper is provided with a discharge outlet of the movable hopper (402), and a distributor is arranged in the movable hopper (402); the upper part of the movable hopper (402) is connected with the lower part of the fixed hopper (401) through a swinging mechanism, and the movable hopper (402) can swing relative to the fixed hopper (401) through the swinging mechanism.

3. The material premixing device according to claim 2, characterized in that: the swing mechanism is positioned on the side surfaces of the fixed hopper (401) and the movable hopper (402), and the movable hopper (402) can swing back and forth relative to the fixed hopper (401) through the swing mechanism;

The swing mechanism comprises an upper connecting bolt I (406), an upper connecting bolt II (416), a swing rod I (403), a swing rod II (404), a lower connecting bolt I (409), a lower connecting bolt II (413), a limit bolt I and a limit bolt II;

the upper end of the first swing rod (403) is movably connected with the fixed hopper (401) through an upper connecting bolt I (406), the lower end of the first swing rod (403) is movably connected with the movable hopper (402) through a lower connecting bolt I (409), and one end of the limiting bolt I can penetrate the first swing rod (403) and be inserted into the fixed hopper (401) to limit the swing of the first swing rod (403);

the upper end of the second swing rod (404) is movably connected with the fixed hopper (401) through the second upper connecting bolt (416), the lower end of the second swing rod (404) is movably connected with the movable hopper (402) through the second lower connecting bolt (413), and one end of the second limit bolt can penetrate through the second swing rod (404) and be inserted into the fixed hopper (401) to limit the swing of the second swing rod (404).

4. A material premixing device according to claim 3, characterized in that:

a first sliding groove (407) is formed in the upper end of the first swing rod (403), and the first sliding groove (407) penetrates through the first swing rod (403) in the thickness direction of the first swing rod (403); the length direction of the first sliding groove (407) is consistent with the length direction of the first swinging rod (403); one end of the upper connecting bolt I (406) penetrates through the sliding groove I (407) and is connected with the fixed hopper (401), the upper end of the swing rod I (403) can rotate around the upper connecting bolt I (406), and the upper connecting bolt I (406) and the swing rod I (403) can relatively move along the sliding groove I (407); the lower end of the swing rod I (403) is provided with a connecting hole I, and the connecting hole I penetrates through the swing rod I (403) in the thickness direction of the swing rod I (403); one end of the first lower connecting bolt (409) penetrates through the connecting hole and is connected with the movable hopper (402), and the lower end of the first swing rod (403) can rotate around the first lower connecting bolt (409); a limiting hole I (408) is formed in the swing rod I (403), the limiting hole I (408) is positioned below the sliding groove I (407), and the limiting hole I (408) penetrates through the swing rod I (403) in the thickness direction of the swing rod I (403); one end of the first limit bolt can pass through the first limit hole (408) and be inserted into the fixed hopper (401) to limit the swing of the first swing rod (403);

A second sliding groove (415) is formed in the upper end of the second swing rod (404), and the second sliding groove (415) penetrates through the second swing rod (404) in the thickness direction of the second swing rod (404); the length direction of the second sliding groove (415) is consistent with the length direction of the second swinging rod (404); one end of the upper connecting bolt II (416) penetrates through the sliding groove II (415) and is connected with the fixed hopper (401), the upper end of the swing rod II (404) can rotate around the upper connecting bolt II (416), and the upper connecting bolt II (416) and the swing rod II (404) can move relatively along the sliding groove II (415); the lower end of the second swing rod (404) is provided with a second connecting hole, and the second connecting hole penetrates through the second swing rod (404) in the thickness direction of the second swing rod (404); one end of the second lower connecting bolt (413) penetrates through the second connecting hole and is connected with the movable hopper (402), and the lower end of the second swing rod (404) can rotate around the second lower connecting bolt (413); a second limiting hole (414) is formed in the second swing rod (404), the second limiting hole (414) is positioned below the second sliding groove (415), and the second limiting hole (414) penetrates through the second swing rod (404) in the thickness direction of the second swing rod (404); one end of the second limit bolt can pass through the second limit hole (414) and be inserted into the fixed hopper (401) to limit the swing of the second swing rod (404);

A fastening device is arranged between the fixed hopper (401) and the movable hopper (402), and comprises an upper bolt seat (410), a lower bolt seat (411) and a fastening bolt (412); the upper bolt seat (410) is arranged on the fixed hopper (401), the lower bolt seat (411) is arranged on the movable hopper (402), and the upper bolt seat (410) is connected with the lower bolt seat (411) through a fastening bolt (412).

5. The material premixing device according to claim 4, wherein: one or more first limit bolt mounting holes and one or more second limit bolt mounting holes are formed in the fixed hopper (401), the first limit bolt mounting holes are located on the moving track of the first limit holes (408), and the limit bolts are mounted Kong Erwei on the moving track of the second limit holes (414).

6. The material premixing device of claim 1, wherein: the lifting mechanism comprises a cross rod (15), a left screw (11), a right screw (20), a left transmission case (12) and a right transmission case (21); the threads of the left screw (11) and the right screw (20) are opposite in rotation direction;

a left vertical groove is formed in the left upright post (2); the left vertical groove penetrates through the left upright post (2) from left to right; the left screw rod (11) is vertically arranged in the left vertical groove; the upper end of the left screw rod (11) is fixedly connected with the top of the left vertical groove, and the lower end of the left screw rod (11) is fixedly connected with the bottom of the left vertical groove; the left transmission case (12) is arranged in the left vertical groove and sleeved on the left screw (11);

A right vertical groove (24) is formed in the right upright post (5); the right vertical groove (24) penetrates through the right upright post (5) from left to right; the right screw (20) is vertically arranged in the vertical groove; the upper end of the right screw rod (20) is fixedly connected with the top of the right vertical groove (24), and the lower end of the right screw rod (20) is fixedly connected with the bottom of the right vertical groove (24); the right transmission case (21) is arranged in the right vertical groove (24) and sleeved on the right screw rod (20);

the left end of the cross rod (15) is inserted into the left transmission case (12) from the right side of the left transmission case, and the right end of the cross rod (15) is inserted into the right transmission case (21) from the left side of the right transmission case (21);

a first left bevel gear (14) and a second left bevel gear (13) are arranged in the left transmission case (12); the first left bevel gear (14) is sleeved on the left screw rod (11), and the second left bevel gear (13) is sleeved at the left end of the cross rod (15); the first left bevel gear (14) and the second left bevel gear (13) are meshed with each other; a right bevel gear I (18) and a right bevel gear II (17) are arranged in the right transmission case (21); the right bevel gear I (18) is sleeved on the right screw rod (20), and the right bevel gear II (17) is sleeved at the right end of the cross rod (15); the right bevel gear I (18) and the right bevel gear II (17) are meshed with each other;

A hand wheel shaft is rotatably arranged on the right side of the right transmission case (21); the left end of the hand wheel shaft is inserted into a right transmission case (21); a right bevel gear III (19) is arranged in the right transmission case (21), and the right bevel gear III (19) is sleeved at the left end of the hand wheel shaft and meshed with the right bevel gear I (18); a hand wheel (25) is arranged at the left end of the hand wheel shaft;

the stirring device (8) is rotatably arranged on the cross rod (15).

7. The material premixing device of claim 6, wherein: the stirring device (8) comprises a shaft sleeve (16) and a plurality of toothed bars (23) arranged on the shaft sleeve (16); the shaft sleeve (16) is rotatably sleeved on the cross rod (15); one end of the shaft sleeve (16) is connected with a shaft sleeve (16) driving device, and the shaft sleeve (16) driving device is used for driving the shaft sleeve (16) to rotate on the cross rod (15).

8. The material premixing device of claim 7, wherein: the toothed bars (23) are arranged at equal intervals in parallel along the length direction of the shaft sleeve (16) to form a toothed bar (23) shaft sleeve (16) row; a plurality of rows of toothed bars (23) are arranged in the circumferential direction of the shaft sleeve (16).

9. The material premixing device of claim 8, wherein: a scraping plate is detachably arranged on a toothed bar (23) row below the shaft sleeve (16), and the length of the scraping plate is larger than the distance between the left upright post (2) and the right upright post (5); the two ends of the scraping plate are detachably connected with the left upright post (2) and the right upright post (5) through bolts.

10. The material premixing device of claim 1, wherein: the top of the discharging chute (9) is opened, the front end of the discharging chute (9) is provided with a discharging chute feeding hole (905), the rear end of the discharging chute is provided with a discharging chute discharging hole (906), and the discharging chute feeding hole (905) is positioned at the discharging end of the spreading belt conveyor; in the width direction of the discharge chute (9), the opening of the discharge chute feed port (905) is larger than the opening of the discharge chute discharge port (906); the material conveying device is arranged in the discharging chute (9) and is used for conveying materials from the feeding hole (905) of the discharging chute to the discharging hole (906) of the discharging chute.

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