CN111070418B

CN111070418B - Mixing equipment for building slurry mixing and use method thereof

Info

Publication number: CN111070418B
Application number: CN201911340611.XA
Authority: CN
Inventors: 陈旭; 邓德学; 张在林; 成青明
Original assignee: Chongqing University of Arts and Sciences
Current assignee: Chongqing University of Arts and Sciences
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2021-05-18
Anticipated expiration: 2039-12-23
Also published as: CN111070418A

Abstract

The invention relates to the technical field of buildings, in particular to mixing equipment for mixing building slurry, which comprises a base and a fixed frame, wherein the fixed frame is fixedly connected with the base; the batching assembly comprises a coarse grain batching assembly and a fine grain batching assembly; the method comprises the following steps of determining the proportion of various materials required by slurry preparation according to the slurry required to be prepared, weighing by using a first weighing part and a second weighing part of a coarse particle proportioning assembly and a fine particle proportioning assembly, and realizing automatic falling of coarse particles in the first weighing part and fine particles in the second weighing part by using a first lifting mechanism and a second lifting mechanism, wherein the technical problems to be solved by the invention are as follows: the invention provides a mixing device for building slurry mixing, which can accurately control the mixing ratio and can be automatically controlled, and a using method of the mixing device for building slurry mixing.

Description

Mixing equipment for building slurry mixing and use method thereof

Technical Field

The invention relates to the technical field of buildings, in particular to building slurry mixing equipment and a using method thereof.

Background

The mixing machine can mix various materials into a uniform mixture, such as cement, sand, broken stone and water are mixed into a concrete wet material; it is also possible to increase the material contact surface area. To facilitate the chemical reaction; physical changes can also be accelerated, for example, addition of a particulate solute to a solvent can accelerate dissolution and mixing by the action of a mixing mechanism.

The construction is different in application, and the mixture and proportion of the slurry are different. For example: the cement mortar is prepared by mixing cement and sand in a certain proportion and can be used for preparing mortar with higher strength. The cement mortar is generally applied to foundations, basements soaked in water for a long time and masonry bodies bearing large external force. The lime (paste) is added to be called white lime mortar or lime mortar, the lime mortar is mortar formed by stirring lime paste and sand according to a certain proportion, and the strength is obtained by completely depending on the gas hardening of the lime. The mortar is added with cement and lime, so called 'mixed mortar', and the mixed mortar is generally formed by mixing cement, lime paste and sand and is generally used for brickworks above the ground. The lime paste is added into the mixed mortar, so that the workability of the factory mortar is improved, the operation is more convenient, and the improvement of the compactness and the work efficiency of the masonry is facilitated.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the mixing equipment for building slurry mixing can accurately control the mixing ratio and can be automatically controlled.

The basic scheme of the invention is as follows: the mixing equipment for mixing the building slurry comprises a base and a fixed frame, wherein the fixed frame is fixedly connected with the base, and a batching assembly, a feeding assembly and a mixing assembly are arranged on the base;

the batching assembly comprises a coarse grain batching assembly and a fine grain batching assembly;

the coarse particle batching assembly comprises a first support, a first mixing part and a first weighing part, wherein the first support supports the first mixing part and the first weighing part, coarse particles are filled in the first mixing part, a first discharge hole is formed in the bottom of the first mixing part, the first weighing part is arranged below the first discharge hole, a first strain gauge is arranged in the first weighing part and connected with a reading instrument, an opening is formed in the bottom of the first weighing part, a first funnel is connected below the first weighing part, and the first weighing part is connected with a first power supply;

the fine particle batching assembly comprises a second support, a second mixing part and a second weighing part, the second support supports the second mixing part and the second weighing part, coarse particles are filled in the second mixing part, a second discharge hole is formed in the bottom of the second mixing part, the second weighing part is arranged below the second discharge hole, a second strain gauge is arranged in the second weighing part and connected with a reading instrument, an opening is formed in the bottom of the second weighing part, a second funnel is connected below the second weighing part, and the second weighing part is connected with a second power supply;

the feeding assembly comprises feeding grooves, a metal frame, at least two feeding grooves, a chain wheel and a driving motor, wherein the chain and the chain wheel are arranged on the metal frame, a belt is arranged above the chain, the feeding grooves are arranged on the belt at intervals, and the feeding grooves are arranged below the first hopper and the second hopper when the mixing equipment is in a rest state;

mix the assembly setting at the transport terminal point of pay-off assembly, mix the assembly and include agitator tank and set up at its inside agitating unit, the agitator tank is opened there are admittedly material import and liquid import, gu the material access connection has the inlet pipe, the inlet pipe opening is close to the transport terminal point of pay-off assembly, the agitator tank bottom is connected with the conveying pipeline, just be equipped with the valve on the conveying pipeline.

Utilize the cooperation of batching assembly, pay-off assembly and mixing assembly to cooperate and make thick liquids to various materials, the batching assembly includes coarse grain batching assembly and fine grain batching assembly, and has set up first portion of weighing and second portion of weighing respectively, can weigh coarse grain and fine grain according to the proportion of required material, has reached required proportion to carry the mixing tank of mixing the assembly with coarse grain and fine grain together in, reduced the route of carrying, raise the efficiency.

Preferably, the liquid inlet is higher than the solid material inlet, and the opening of the feeding pipe is trumpet-shaped.

The solid material enters from a lower inlet, the liquid enters from a higher inlet, so that the stirring is more sufficient and uniform, and the opening of the feeding pipe is in a horn shape so as to prevent the material from leaking.

Preferably, the feed chute is detachably connected with the belt, when the feed chute is mounted on the belt, the belt drives the feed chute to reciprocate along with the chain, the driving motor connected with the chain and the chain wheel is a first stepping motor, and the first stepping motor controls the movement speed of the belt and the time for which the feed chute pauses under the first hopper or the second hopper every time.

The belt drives the feeding grooves to reciprocate along with the chains, so that coarse particles and fine particles can be repeatedly fed by only using a plurality of feeding grooves, and the feeding efficiency is high.

Preferably, agitating unit is spiral agitating unit, spiral agitating unit includes spiral stirring rake and pivot, the both ends of pivot respectively with the upper portion and the lower part of agitator tank are articulated just the pivot passes the sub-unit connection of agitator tank has the second step motor, the control of second step motor the pivot corotation and reversal.

The stepping motor can accurately convert a pulse signal into linear displacement and angular displacement. It is characterized in that: an electric pulse can control the motor to rotate a certain angle, drive the machine to move a small distance, control the frequency of the pulse, control the rotating speed of the motor, change the sequence of the pulse, change the rotating direction, drive the rotating shaft to rotate by using the second stepping motor, and make the rotating shaft rotate forward or reversely by changing the rotating direction of the rotating shaft, so that the materials are mixed more uniformly.

Preferably, a first lifting mechanism is arranged at the bottom of the first weighing part, the first lifting mechanism comprises two first rotating shafts and a first stop block, the first stop block is located in an opening of the first stop block, a signal receiving module is arranged in the first lifting mechanism, the signal receiving module receives a weight signal, when the weight in the first weighing part reaches the weight received by the weight signal, the first stop block leaves the opening at the bottom of the first weighing part, and the coarse particles in the first weighing part fall from the opening.

The first lifting mechanism is used for realizing automatic falling of coarse particles in the first weighing part.

Preferably, a second lifting mechanism is arranged at the bottom of the second weighing part, the second lifting mechanism comprises two second rotating shafts and a second stop block, the second stop block is located in an opening of the second stop block, a signal receiving module is arranged in the second lifting mechanism, the signal receiving module receives a weight signal, when the weight in the second weighing part reaches the weight received by the weight signal, the second stop block leaves the opening at the bottom of the second weighing part, and fine particles in the second weighing part fall from the opening.

And the second lifting mechanism is utilized to realize the automatic falling of the fine particles in the second weighing part.

Preferably, the agitator tank includes inlayer and skin, solid material import and liquid import all pass the skin and extend to the inlayer, agitating unit sets up in the inlayer.

Because the solidification of material receives ambient temperature's influence, the required temperature of different temperature solidification is different, and need prolong the speed that the inside material of agitator tank solidified when the material mixes, prevents that most thick liquids from solidifying inside the agitator tank, and the washing of being not convenient for sets up inside and outside bilayer and can reduce the influence of ambient temperature to inside.

Preferably, still be equipped with cleaning device in the agitator tank, cleaning device includes cleaning disc and actuating mechanism, cleaning disc is an annular structure, just cleaning disc surface with the inner wall contact of agitator tank inlayer, actuating mechanism drive cleaning disc is along the inner wall up-and-down motion of agitator tank.

When the material is stirred, a small part of material is adhered to the inner wall, and the cleaning device is arranged to clean adhered objects on the inner wall.

Preferably, the driving mechanism comprises a third step motor, a pulley, a take-up shaft, a lifting rope and at least two positioning rods, the two ends of each positioning rod are fixedly connected to the top and the bottom of the inner layer of the stirring tank respectively, the at least two positioning rods penetrate through the cleaning disc, one end of the lifting rope is connected with the cleaning disc, the other end of the lifting rope is fixed to the pulley, and the pulley is driven by the third step motor to rotate forwards or reversely.

The pulley rotates to realize the extension of the lifting rope, so that the cleaning disc does up-and-down reciprocating motion along the inner wall, and the inner wall of the stirring tank is cleaned.

The working principle and the advantages of the invention are as follows: a mixing device for mixing building slurry can determine the proportion of various materials required by the slurry preparation according to the slurry required by the preparation, the first weighing part and the second weighing part of a coarse particle proportioning assembly and a fine particle proportioning assembly are used for weighing, the first lifting mechanism and the second lifting mechanism are used for realizing the automatic falling of coarse particles in the first weighing part and fine particles in the second weighing part, the coarse particles firstly fall into a feeding groove at the bottom according to the movement direction of the feeding assembly, the chute carrying the coarse particles moves below the second weighing section, the fine particles fall above the coarse particles, then when the feed chute moves to the tail end of the feed assembly, the feed chute is inclined, the internal materials enter the stirring tank from the feed pipe, and liquid is added through the liquid inlet, so that the materials are fully mixed under the action of the stirring device.

The invention also provides a use method of the mixing equipment for mixing the building slurry, which comprises the following steps:

determining the types and proportions of coarse particles, fine particles and liquid to be mixed according to slurry to be prepared;

step two, equipment installation, namely sequentially installing a material distribution assembly, a feeding assembly and a mixing assembly according to the material conveying direction, wherein the material distribution assembly comprises a coarse particle material distribution assembly and a fine particle material distribution assembly, the coarse particle batching assembly comprises a first bracket, a first mixing part, a first weighing part and a first power supply, the first bracket supports the first mixing part and the first weighing part, a first funnel is connected below the first weighing part, the first weighing part is connected with a first power supply, the fine particle batching assembly comprises a second bracket, a second mixing part, a second weighing part and a second power supply, the second bracket supports a second mixing part and a second weighing part, a second funnel is connected below the second weighing part, the second weighing part is connected with a second power supply, the feeding assembly comprises a feeding groove, a metal frame, a chain wheel and a driving motor, and the mixing assembly comprises a stirring tank and a stirring device arranged in the stirring tank;

step three, equipment detection, namely adding a small amount of coarse particles and fine particles into the coarse particle batching assembly and the fine particle batching assembly respectively, opening the feeding assembly, starting the first step motor, the second step motor and the third step motor, adding a small amount of liquid into the stirring tank, and detecting whether the mixing equipment can normally operate or not;

formally operating, cleaning substances in the equipment after the equipment can normally operate, and mixing coarse particles, fine particles and liquid according to a set proportion;

and step five, after treatment, most of the devices such as the feeding groove, the metal frame, the chain wheel and the driving motor are made of metal, and the devices are likely to be corroded and damaged after long-term use, so that the devices are required to be cleaned according to standard requirements after each use, the interior of the stirring tank is required to be cleaned completely, and the next operation of the equipment is prevented from being influenced.

Drawings

FIG. 1 is a front view of a mixing apparatus for building slurry mixing in accordance with the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partial enlarged view of portion B of FIG. 2;

FIG. 4 is a partial view of the feed assembly of the present invention;

FIG. 5 is a cross-sectional view of a mixing bowl according to a first embodiment of the present invention;

FIG. 6 is a sectional view of a mixing tank according to a second embodiment of the present invention;

fig. 7 is a partially enlarged view of a portion C of fig. 6.

Reference numerals in the drawings of the specification include: a base 1, a fixed frame 2, a coarse particle ingredient assembly 3, a first mixing part 301, a first bracket 302, a first discharge port 303, a first weighing part 304, a first power supply 305, a first hopper 306, a first rotating shaft 307, a first block 308, a fine particle ingredient assembly 4, a second mixing part 401, a second bracket 402, a second discharge port 403, a second weighing part 404, a second power supply 405, a second hopper 406, a second rotating shaft 407, a second block 408, a feeding assembly 5, a feeding tank 501, a bonding part 502, a belt 503, an arc transition section 504, a sprocket 505, a chain 506, a mixing assembly 6, a stirring tank 601, a stirring paddle 602, a rotating shaft 603, a horizontal shaft 604, an inlet valve 605, an inner layer 606, a second feeding motor 607, a first conveying pipe 610, a second conveying pipe 611, a liquid inlet 612, a solid material inlet 613, an outer layer 614, a cleaning disc 615, a positioning rod 616, a third feeding motor and a lifting rope 618, pulley 619.

Detailed Description

The following is further detailed by the specific embodiments:

the first embodiment is as follows:

as shown in fig. 1 to 5, due to different applications in building construction and different slurry mixtures and proportions, the present invention provides a mixing apparatus for building slurry mixing, which can accurately control the mixing proportion, and comprises a base 1 and a fixing frame 2, wherein the fixing frame 2 is fixedly connected with the base 1, the base 1 is provided with a material mixing assembly, a feeding assembly 5 and a mixing assembly 6, and the material mixing assembly comprises a coarse particle material mixing assembly 3 and a fine particle material mixing assembly 4.

The feeding assembly 5 comprises feeding grooves 501, a metal frame, a chain 506, a chain wheel 505 and a driving motor, wherein the chain 506 and the chain wheel 505 are installed on the metal frame, a belt 503 is installed above the chain 506, circular arc transition sections 504 are arranged at two ends of the belt 503 to ensure that the feeding grooves 501 can smoothly move along with the belt 503, at least two feeding grooves 501 are provided, an adhesion part 502 is arranged at the bottom of each feeding groove 501, all the feeding grooves 501 are installed on the belt 503 at intervals, the feeding grooves 501 are adhered to the belt 503 through the adhesion parts 502, and screw arithmetic or magnetic adhesion can be used conventionally.

The coarse particle batching assembly 3 comprises a first bracket 302, a first mixing part 301 and a first weighing part 304, the first bracket 302 supports the first mixing part 301 and the first weighing part 304, coarse particles are filled in the first mixing part 301, a first discharge hole 303 is formed at the bottom of the first mixing part 301, the first weighing part 304 is arranged below the first discharge hole 303, a first strain gauge is arranged in the first weighing part 304 and connected with a reading instrument, an opening is formed at the bottom of the first weighing part 304, a first funnel 306 is connected below the first weighing part 304, the first weighing part 304 is connected with a first power supply 305, a first lifting mechanism is arranged at the bottom of the first weighing part 304 and comprises two first rotating shafts 307 and first stop blocks 308, the first stop blocks 308 are arranged in the openings of the first stop blocks 308, a signal receiving module is arranged in the first lifting mechanism, and the signal receiving module receives weight signals, when the weight inside the first weighing part 304 reaches the weight received by the weight signal, the first stopper 308 leaves the opening at the bottom of the first weighing part 304, and the coarse particles inside fall from the opening. The first lifting mechanism is used to automatically drop coarse particles inside the first weighing part 304.

The fine particle batching assembly 4 comprises a second bracket 402, a second mixing part 401 and a second weighing part 404, the second bracket 402 supports the second mixing part 401 and the second weighing part 404, coarse particles are filled in the second mixing part 401, a second discharge hole 403 is formed in the bottom of the second mixing part 401, the second weighing part 404 is arranged below the second discharge hole 403, a second strain gauge is arranged in the second weighing part 404 and connected with a reading instrument, an opening is formed in the bottom of the second weighing part 404, a second funnel 406 is connected below the second weighing part 404, the second weighing part 404 is connected with a second power supply 405, a second lifting mechanism is arranged at the bottom of the second weighing part 404 and comprises two second rotating shafts 407 and a second block 408, the second block 408 is arranged in the opening of the second block 408, a signal receiving module is arranged in the second lifting mechanism, and receives a weight signal, when the weight inside the second weighing part 404 reaches the weight received by the weight signal, the second stopper 408 is separated from the opening at the bottom of the second weighing part 404, the fine particles inside fall from the opening, and the fine particles inside the second weighing part 404 automatically fall by the second lifting mechanism.

When the mixing device is in a rest state, the feeding grooves 501 are arranged below the first hopper 306 and the second hopper 406.

The mixing assembly 6 is arranged at the conveying terminal of the feeding assembly 5, the mixing assembly 6 comprises a stirring tank 601 and a stirring device arranged in the stirring tank 601, the stirring tank 601 is provided with a solid material inlet 613 and a liquid inlet 612, the solid material inlet 613 is connected with a feeding pipe, the opening of the feeding pipe is close to the conveying terminal of the feeding assembly 5, the bottom of the stirring tank 601 is connected with a conveying pipe, in the embodiment, in order to improve the efficiency of clinker, a first conveying pipe 610 and a second conveying pipe 611 are arranged, valves are arranged on the first conveying pipe 610 and the second conveying pipe 611, and in addition, because more than one liquid is adopted sometimes, a plurality of inlets are also arranged at the upper part of the stirring tank 601, an inlet valve 605 is arranged at the inlet, and whether the mixing assembly is used or not is selected according to.

And the stirring device is a spiral stirring device which comprises a spiral stirring paddle 602 and a rotating shaft 603, two ends of the rotating shaft 603 are respectively hinged with the upper part and the lower part of the stirring tank 601, the rotating shaft 603 penetrates through the lower part of the stirring tank 601 and is connected with a second stepping motor, the second stepping motor controls the rotating shaft 603 to rotate positively and negatively, and a horizontal shaft 604 is further arranged on the spiral stirring paddle 602 in order to ensure the strength and rigidity of the spiral stirring paddle 602.

Utilize the cooperation of batching assembly, pay-off assembly 5 and mixing assembly 6 to cooperate the thick liquids of making to various materials, the batching assembly includes coarse grain batching assembly 3 and fine grain batching assembly 4, and has set up first portion of weighing 304 and second portion of weighing 404 respectively, can weigh coarse grain and fine grain according to the proportion of required material, has reached required proportion, and carry coarse grain and fine grain together in mixing assembly 6's agitator tank 601, reduced the route of carrying, raise the efficiency.

Example two:

as shown in fig. 6 and 7, since solidification of materials is affected by external temperature, temperatures needed for solidification at different temperatures are different, and when the materials are mixed, a solidification speed of the materials in the stirring tank 601 needs to be increased, so that most of slurry is prevented from being solidified in the stirring tank 601, which is inconvenient to clean, the internal and external double layers are arranged to reduce the influence of the external temperature on the internal, the stirring tank 601 comprises an inner layer 606 and an outer layer 614, a solid material inlet 613 and a liquid inlet 612 both extend to the inner layer 606 through the outer layer 614, the stirring device is arranged in the inner layer 606, a cleaning device is further arranged in the stirring tank 601, the cleaning device comprises a cleaning disc 615 and a driving mechanism, the cleaning disc 615 is of an annular structure, the outer surface of the cleaning disc 615 is in contact with the inner wall of the inner layer 606 of the stirring tank 601, the driving mechanism drives the cleaning disc 615 to move up and down along the inner wall of the stirring tank 601, the cleaning device is arranged to clean adhesion on the inner wall, a brush is arranged on the surface, in contact with the agitator tank 601, of the cleaning disc 615 to clean the inner wall of the agitator tank 601, the driving mechanism comprises a third stepping motor 617, a pulley 619, a take-up shaft, a lifting rope 618 and positioning rods 616, at least two positioning rods 616 are arranged, two ends of each positioning rod 616 are fixedly connected to the top and the bottom of the inner layer 606 of the agitator tank 601 respectively, at least two positioning rods 616 penetrate through the cleaning disc 615, one end of the lifting rope 618 is connected with the cleaning disc 615, the other end of the lifting rope 618 is fixed on the pulley 619, the pulley 619 is driven to rotate forwards or backwards by the third stepping motor 617, the pulley 619 rotates, stretching of the lifting rope 618 is achieved, the cleaning disc 615 can reciprocate up and down along the inner wall, and the inner wall of the agitator tank 601 can be cleaned.

The advantages of this embodiment over the first embodiment are: set up agitator tank 601 into inlayer 606 and outer 614's combined mechanism, can reduce ambient temperature to inside influence to further set up cleaning device, during the material stirring, there is the material adhesion of minority part on the inner wall, set up cleaning device and can clear up the adhesion thing on the inner wall.

step two, the equipment is installed, the batching assembly, the feeding assembly 5 and the mixing assembly 6 are sequentially installed according to the material conveying direction, the batching assembly comprises a coarse particle batching assembly 3 and a fine particle batching assembly 4, the coarse particle batching assembly 3 comprises a first support 302, a first mixing part 301, a first weighing part 304 and a first power supply 305, the first support 302 supports the first mixing part 301 and the first weighing part 304, a first hopper 306 is connected below the first weighing part 304, the first weighing part 304 is connected with the first power supply 305, the fine particle batching assembly 4 comprises a second support 402, a second mixing part 401, a second weighing part 404 and a second power supply 405, the second support 402 supports the second mixing part 401 and the second weighing part 404, a second hopper 406 is connected below the second weighing part 404, the second weighing part 404 is connected with the second power supply 405, the feeding assembly 5 comprises a feeding groove 501, a feeding groove 501 and a fine particle batching assembly 4, The mixing assembly 6 comprises a stirring tank 601 and a stirring device arranged in the stirring tank;

step three, equipment detection, namely adding a small amount of coarse particles and fine particles into the coarse particle batching assembly 3 and the fine particle batching assembly 4 respectively, opening the feeding assembly 5, starting a first step motor, a second step motor 607 and a third step motor 617, adding a small amount of liquid into the stirring tank 601, and detecting whether the mixing equipment can normally operate or not;

step five, after treatment, most of the devices such as the feeding tank 501, the metal frame, the chain 506, the chain wheel 505, the driving motor and the like are made of metal, and corrosion damage can be caused after long-term use, so that the devices need to be cleaned according to standard requirements after each use, and the interior of the stirring tank 601 also needs to be cleaned, so that the next device operation is prevented from being influenced.

The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The mixing equipment for mixing the building slurry comprises a base (1) and a fixed frame (2), wherein the fixed frame (2) is fixedly connected with the base (1), and is characterized in that a batching assembly, a feeding assembly (5) and a mixing assembly (6) are arranged on the base (1);

the batching assembly comprises a coarse grain batching assembly (3) and a fine grain batching assembly (4);

the coarse particle batching assembly (3) comprises a first support (302), a first mixing part (301) and a first weighing part (304), the first support (302) supports the first mixing part (301) and the first weighing part (304), coarse particles are filled in the first mixing part (301), a first discharge hole (303) is formed in the bottom of the first mixing part (301), the first weighing part (304) is arranged below the first discharge hole (303), a first strain gauge is arranged in the first weighing part (304), the first strain gauge is connected with a reading instrument, an opening is formed in the bottom of the first weighing part (304), a first funnel (306) is connected below the first weighing part (304), and the first weighing part (304) is connected with a first power supply (305);

the fine particle batching assembly (4) comprises a second support (402), a second mixing part (401) and a second weighing part (404), the second support (402) supports the second mixing part (401) and the second weighing part (404), coarse particles are filled in the second mixing part (401), a second discharge hole (403) is formed in the bottom of the second mixing part (401), the second weighing part (404) is arranged below the second discharge hole (403), a second strain gauge is arranged in the second weighing part (404), the second strain gauge is connected with a reading instrument, an opening is formed in the bottom of the second weighing part (404), a second funnel (406) is connected below the second weighing part (404), and the second weighing part (404) is connected with a second power supply (405);

the feeding assembly (5) comprises feeding grooves (501), a metal frame, a chain (506), a chain wheel (505) and a driving motor, wherein the chain (506) and the chain wheel (505) are installed on the metal frame, a belt (503) is installed above the chain (506), at least two feeding grooves (501) are formed in the feeding grooves (501), the feeding grooves (501) are installed on the belt (503) at intervals, and when the mixing equipment is in a rest state, the feeding grooves (501) are formed below the first hopper (306) and the second hopper (406);

the mixing assembly (6) is arranged at a conveying terminal of the feeding assembly (5), the mixing assembly (6) comprises a stirring tank (601) and a stirring device arranged in the stirring tank, the stirring tank (601) is provided with a solid inlet (613) and a liquid inlet (612), the solid inlet (613) is connected with a feeding pipe, the opening of the feeding pipe is close to the conveying terminal of the feeding assembly (5), the bottom of the stirring tank (601) is connected with a conveying pipe, and the conveying pipe is provided with a valve;

the liquid inlet (612) is higher than the solid material inlet (613), and the opening of the feeding pipe is trumpet-shaped;

the feeding groove (501) is detachably connected with the belt (503), when the feeding groove (501) is installed on the belt (503), the belt (503) drives the feeding groove (501) to reciprocate along with the chain (506), the driving motor connected with the chain (506) and the chain wheel (505) is a first stepping motor, and the first stepping motor controls the movement speed of the belt (503) and the time for pausing the feeding groove (501) under the first hopper (306) or the second hopper (406) every time;

the stirring device is a spiral stirring device and comprises a spiral stirring paddle (602) and a rotating shaft (603), two ends of the rotating shaft (603) are respectively hinged with the upper part and the lower part of the stirring tank (601), the rotating shaft (603) penetrates through the lower part of the stirring tank (601) and is connected with a second stepping motor (607), and the second stepping motor (607) controls the rotating shaft (603) to rotate forwards and backwards;

the bottom of the first weighing part (304) is provided with a first lifting mechanism, the first lifting mechanism comprises two first rotating shafts (307) and a first stop block (308), the first stop block (308) is located in an opening of the first stop block (308), a signal receiving module is arranged inside the first lifting mechanism, the signal receiving module receives a weight signal, when the weight inside the first weighing part (304) reaches the weight received by the weight signal, the first stop block (308) leaves the opening in the bottom of the first weighing part (304), and coarse particles inside the first lifting mechanism fall from the opening.

2. A mixing apparatus for building paste mixing, as claimed in claim 1, characterized in that: the bottom of the second weighing part (404) is provided with a second lifting mechanism, the second lifting mechanism comprises two second rotating shafts (407) and a second stop block (408), the second stop block (408) is located in an opening of the second stop block (408), a signal receiving module is arranged inside the second lifting mechanism, the signal receiving module receives a weight signal, when the weight inside the second weighing part (404) reaches the weight received by the weight signal, the second stop block (408) leaves the opening in the bottom of the second weighing part (404), and fine particles inside the second weighing part fall from the opening.

3. A mixing apparatus for building paste mixing, as claimed in claim 2, characterized in that: the stirring tank (601) comprises an inner layer (606) and an outer layer (614), the solid material inlet (613) and the liquid inlet (612) both extend to the inner layer (606) through the outer layer (614), and the stirring device is arranged in the inner layer (606).

4. A mixing apparatus for building paste mixing, as claimed in claim 3, characterized in that: still be equipped with cleaning device in agitator tank (601), cleaning device includes cleaning disc (615) and actuating mechanism, cleaning disc (615) are an annular structure, just cleaning disc (615) surface with the inner wall contact of agitator tank (601) inlayer (606), actuating mechanism drive cleaning disc (615) are along the inner wall up-and-down motion of agitator tank (601).

5. A mixing apparatus for building paste mixing, as claimed in claim 4, characterized in that: the driving mechanism comprises a third stepping motor (617), a pulley (619), a take-up shaft, a lifting rope (618) and positioning rods (616), wherein the number of the positioning rods (616) is at least two, two ends of each positioning rod (616) are fixedly connected to the top and the bottom of the inner layer (606) of the stirring tank (601) respectively, the at least two positioning rods (616) penetrate through the cleaning disc (615), one end of the lifting rope (618) is connected with the cleaning disc (615), the other end of the lifting rope (618) is fixed to the pulley (619), and the pulley (619) is driven by the third stepping motor (617) to rotate forwards or reversely.

6. Use of a mixing apparatus for building pulp mixing, according to claim 5, characterized in that: the method comprises the following steps:

step two, installing equipment, sequentially installing a batching assembly, a feeding assembly (5) and a mixing assembly (6) according to the material conveying direction, wherein the batching assembly comprises a coarse particle batching assembly (3) and a fine particle batching assembly (4), the coarse particle batching assembly (3) comprises a first support (302), a first mixing part (301), a first weighing part (304) and a first power supply (305), the first support (302) supports the first mixing part (301) and the first weighing part (304), a first hopper (306) is connected below the first weighing part (304), the first weighing part (304) is connected with the first power supply (305), the fine particle batching assembly (4) comprises a second support (402), a second mixing part (401), a second weighing part (404) and a second power supply (405), the second support (402) supports the second mixing part (401) and the second weighing part (404), a second hopper (406) is connected below the second weighing part (404), the second weighing part (404) is connected with a second power supply (405), the feeding assembly (5) comprises a feeding groove (501), a metal frame, a chain (506), a chain wheel (505) and a driving motor, and the mixing assembly (6) comprises a stirring tank (601) and a stirring device arranged in the stirring tank;

step three, equipment detection is carried out, a small amount of coarse particles and fine particles are added into the coarse particle batching assembly (3) and the fine particle batching assembly (4) respectively, the feeding assembly (5) is opened, the first step motor, the second step motor (607) and the third step motor (617) are started, and whether the mixing equipment can normally operate or not is detected according to the addition of a small amount of liquid into the stirring tank (601);

and step five, post-treatment, wherein most parts of the feeding groove (501), the metal frame, the chain (506), the chain wheel (505) and the driving motor device are made of metal, and corrosion damage can be caused after long-term use, so that the stirring tank (601) needs to be cleaned according to standard requirements after each use, and the inside of the stirring tank needs to be cleaned completely, so that the next equipment operation is prevented from being influenced.