CN111976011B

CN111976011B - Self-compaction concrete proportioning machine

Info

Publication number: CN111976011B
Application number: CN202010876177.3A
Authority: CN
Inventors: 刘方华; 宋军伟; 朱街禄; 曾庆理; 付翔
Original assignee: Jiangxi University of Technology
Current assignee: Jiangxi University of Technology
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-08-20
Anticipated expiration: 2040-08-27
Also published as: CN111976011A

Abstract

The invention relates to a self-compacting concrete batching machine, which comprises a fixing device, a raw material device, a weighing device and a mixing device, wherein the left inner wall of the fixing device is fixedly connected with a conveying pipe and a connecting rod, the connecting rod is positioned below the conveying pipe, and the left inner wall of the fixing device is provided with the raw material device; the raw material device comprises a stone raw material box, a dry mortar raw material box and a water tank, wherein the lower ends of the stone raw material box, the dry mortar raw material box and the water tank are respectively fixedly connected with the upper end of the conveying pipe; the stone raw material box, the dry mortar raw material box and the water tank are respectively communicated with the interior of the conveying pipe, and the lower end of the stone raw material box is provided with a grinding and screening device; the inside of dry mortar raw material tank is provided with the stirring device that sieves, and weighing device's upper end is provided with whereabouts locking cleaning device. The self-compacting concrete batching machine provided by the invention can carry out reasonable batching so as to improve the product quality.

Description

Self-compaction concrete proportioning machine

Technical Field

The invention relates to the technical field of proportioning machine equipment, in particular to a self-compacting concrete proportioning machine.

Background

Self-compacting concrete refers to concrete which can flow and be compact under the action of self gravity, can completely fill a template even if compact steel bars exist, and simultaneously obtains good homogeneity without additional vibration. Early in the 70 s of the 20 th century, europe began using slightly vibrating concrete, but SCC developed in japan until late in the 80 s of the 20 th century. The main reason for developing SCC in japan is to solve the contradiction between the reduction of skilled workers and the improvement of durability of concrete structures. The first use of SCC in the 90 s of the 20 th century in europe for the civil engineering of traffic networks in sweden, and the subsequent establishment of a multinational cooperative SCC guideline project by EC, has since generally increased the use of SCC throughout europe.

For example, chinese patent discloses a concrete dispensing machine with patent number CN 105365051A. The invention relates to a concrete batching machine, which comprises a bracket, a stone hopper, a sand hopper and a storage hopper, wherein the stone hopper and the sand hopper are arranged above the bracket, and the storage hopper is arranged below the bracket. Wherein, the bottom of the stone hopper and the sand hopper are respectively provided with a conveying device, and one end of each conveying device is provided with a weighing device. The storage hopper is positioned below the weighing device; a vibrating screen is further arranged above the storage hopper. According to the concrete batching machine, the vibrating screen is arranged above the storage hopper, so that particles of raw materials can be screened, and the concrete particles are uniform and good in quality. Meanwhile, the concrete batching machine is also provided with a weighing device, and can accurately weigh various raw materials.

The Chinese patent also discloses a novel concrete proportioning machine with the patent number of CN 107826795B. The invention discloses a novel concrete batching machine which structurally comprises a separation plate, a frame, an adjustable material guide plate, a material storage hopper, a belt conveyor, a support frame, a triangular reinforced frame, a mixing weighing hopper and a belt scale. The belt conveyor consists of a bend pulley, an adjustable carrier roller, a front pulley, a speed reduction motor, a machine body, a guide roller, supporting legs and a belt, wherein the adjustable carrier roller consists of resistance-increasing grains, a roller, a movable support, a base and a stretching rod. Utilize the band conveyer of storage hopper bottom to lead into in mixing the weighing hopper, mix weighing hopper bottom and be equipped with the belt weigher, can measure the mixed material who carries away from mixing the weighing hopper and weigh to reach cement equivalence quality and carry out the partial shipment.

However, the above-mentioned two concrete batching machines are not simple and reasonable enough to set up the weighing device of batching. Especially for self-compacting concrete, the weight proportion of batching is very important, and the relevant device of prior art still can not be very suitable for the batching of self-compacting concrete, has influenced the quality of concrete to a certain extent.

Disclosure of Invention

The invention aims to provide a self-compacting concrete batching machine to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a self-compacting concrete batching machine comprises a fixing device, a raw material device, a weighing device and a mixing device, wherein a conveying pipe and a connecting rod are fixedly connected to the left inner wall of the fixing device, the connecting rod is positioned below the conveying pipe, the raw material device is arranged on the left inner wall of the fixing device, the raw material device comprises a stone raw material box, a dry mortar raw material box and a water tank, the lower ends of the stone raw material box, the dry mortar raw material box and the water tank are respectively and fixedly connected with the upper end of the conveying pipe, and the stone raw material box, the dry mortar raw material box and the water tank are respectively communicated with the interior of the conveying pipe;

the lower end of the stone raw material box is provided with a grinding and screening device;

a stirring and sieving device is arranged in the dry mortar raw material box;

a falling locking cleaning device is arranged at the upper end of the weighing device;

the lower end of the weighing device is provided with a weighing switch device;

the mixing device is internally provided with a pushing and stirring device.

Preferably, grinding and screening device includes first tank wall, lapping plate and stone hole, fixedly connected with lapping plate on the lower port inner wall of first tank wall, the stone hole has been seted up to the upper surface equidistance of lapping plate, the motor hole has been seted up at the upper surface center of lapping plate, the first motor of inside fixedly connected with in motor hole, the output shaft fixedly connected with rotary column of first motor, the outside fixedly connected with bull stick of rotary column, the bull stick is provided with the grinding rod in the one end of keeping away from the rotary column, the grinding rod has the bearing in the one end fixed mounting who is close to the bull stick, the inner circle and the rotary column fixed connection of bearing.

Preferably, the stirring device that sieves includes second tank wall, motor pole and second motor, the inside of second tank wall is provided with the motor pole, motor pole fixed connection is on the inner wall of second tank wall, the last fixed surface of motor pole is connected with the second motor, the output shaft fixedly connected with stirring fan of second motor, fixedly connected with filter sieve on the lower port inner wall of second tank wall.

Preferably, the falling locking and cleaning device comprises a weighing box, an excess material outlet and a material inlet hole, the rear end of the weighing box is fixedly connected with a connecting rod, the front end of the weighing box is fixedly provided with the excess material outlet, the rear end of the weighing box is provided with the material inlet hole, the inner wall of the material inlet hole is fixedly connected with a conveying pipe, the material inlet hole is communicated with the conveying pipe, the rear inner wall of the weighing box is provided with a shallow groove, the rear inner wall of the lower end of the shallow groove is provided with a deep groove, the front inner wall of the weighing box is provided with a clamping groove, the weighing box is internally provided with an upper edge plate, the front end of the upper edge plate is fixedly connected with a clamping column, the front end of the clamping column is inserted into the clamping groove, the rear end of the upper edge plate is fixedly connected with a shallow column, the rear end of the shallow column is fixedly connected with an electromagnetic spring, and the rear end of the electromagnetic spring is fixedly connected with the deep column, the deep column and the shallow column are inserted into the shallow groove, and the shallow groove is matched with the deep column and the shallow column.

Preferably, the weighing switch device comprises weighing grooves, vertical rods and a lower edge plate, the number of the weighing grooves is two, the weighing grooves are respectively arranged on the front inner wall and the rear inner wall of the lower end of the weighing box, the upper ends of the vertical rods are fixedly connected to the lower surface center of the upper edge plate, the lower end of each vertical rod is connected with the lower edge plate in a clamped mode, weighing columns are fixedly connected to the front ends and the rear ends of the lower edge plate respectively, adjustable springs are fixedly connected to the upper surfaces of the weighing columns, the weighing columns are inserted into the weighing grooves, and the upper ends of the adjustable springs are fixedly connected to the upper inner wall of the weighing grooves.

Preferably, the mixing arrangement includes mixing box and discharge gate, mixing box fixed connection is on the lower inner wall of fixed plate, the mixing box is just to the weighing device, the right wall below fixed mounting of mixing box has the discharge gate, it includes third motor and gear rod to promote agitating unit, third motor fixed connection is in the central department of the back inner wall of mixing box, the output shaft fixedly connected with gear rod of third motor.

Compared with the prior art, the invention has the beneficial effects that:

(1) this self-compaction concrete proportioning machine through the setting of conveyer pipe, weighs in the final leading-in to a weighing device of the batching input port of stone raw material case, dry mortar raw material case and the three difference of water tank. The trouble that the bottom of various batching mouths all need to be provided with a weighing device is avoided in the arrangement, and the space, the installation and the use cost of the device are greatly saved.

(2) This self-compaction concrete proportioning machine, through grinding sieving mechanism's setting, stone raw material tank is arranged in assembling the stone raw materials in the self-compaction concrete raw materials. To self-compaction concrete, to the requirement of stone quality be higher than ordinary concrete far away, drop into stone raw material box with stone, only the stone within the regulation size can get into the conveyer pipe through the stone hole that the lapping plate upper surface was seted up inside, the outer stone of regulation size can accumulate the grinding of accepting the grinding rod at the upper surface of lapping plate. This setting makes great stone fall into the conveyer pipe from the stone pore department after according with the specification and carries out the blowing, and the quality of having controlled self-compaction concrete stone head raw materials has improved the quality of batching back product like this strictly.

(3) This self-compaction concrete proportioning machine sieves the design of device through the stirring, and the dry mortar of the inside transport of dry mortar raw material tank is formed by multiple powdered silt mixture, because placing of dry mortar, just pours into the dry mortar of dry mortar raw material tank inside and can produce the phenomenon of caking because the characteristic of inside multiple powder is different, consequently has set up the existence of stirring fan in the inside of dry mortar raw material tank. The part of caking of dry mortar is sprinkled through the rotation of stirring fan, makes the multiple powder in the dry mortar carry out abundant mixture simultaneously, gets into in the conveyer pipe after the screening through the filter sieve, has improved the quality of dry mortar raw materials greatly.

(4) According to the self-compacting concrete batching machine, through the arrangement of the falling locking cleaning device, when the device is positioned at an initial position, the deep column and the shallow column are both inserted into the shallow groove; due to the extrusion effect of the inner wall of the shallow groove, the deep column is tightly attached to the shallow column, and the whole upper edge plate is positioned above the material inlet hole; the raw material can be smoothly transferred through the material inlet hole. When the raw materials meet certain requirements, the upper edge plate can descend, and in the descending process, the shallow columns and the deep columns can fall into the deep groove from the inside of the shallow groove; due to the existence of the electromagnetic spring, the deep column can be popped and clamped into the deep groove, so that the locking of the whole upper edge plate is completed, and redundant raw materials input from the material inlet hole can be fed from the upper surface of the upper edge plate; the redundant raw materials can be discharged from the lower port of the redundant material outlet for next use, so that the cost of the raw materials is saved.

(5) This self-compaction concrete proportioning machine through weighing switching device's setting, under initial on-off state, through the inside reinforced processing that carries on of charging port hole pair weighing incasement portion, the raw materials is carried into weighing incasement portion back, is piled up at the upper surface of lower flange. As the time for feedstock delivery increases, the weight of the feedstock will increase. The raw material weight that the lower flange can the bearing is set up through the coefficient of stiffness that sets up adjustable spring, after reaching the specified weight, can make the lower flange sink to open the through-port that the weighing box leads to mixing arrangement. Carry into mixing arrangement with the smooth transport of certain weight's raw materials, satisfy and weigh and go on when carrying for the batching speed of device.

(6) This self-compaction concrete proportioning machine, through the design that promotes agitating unit, mixing arrangement is the case after multiple raw materials mix. After a plurality of raw materials are sequentially added, the layering phenomenon can occur in the mixing device, so that the raw materials which are well mixed are difficult to be mutually fused and conveyed out from the discharge hole, and the pushing and stirring device is designed. When weighing device emptys the raw materials, thereby drive the rotatory carrying on that gear rod does not stop through starting the third motor, on the one hand with multiple raw materials misce bene, on the other hand lasts pivoted gear rod and also can with the position of the raw materials acceleration in the mixing box transport to the discharge gate and go out, has improved the quality and the speed of the batching machine ejection of compact.

Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

FIG. 1 is a schematic view of the overall structure of a self-compacting concrete dispensing machine according to the present invention;

FIG. 2 is a schematic view of a stone material box of the self-compacting concrete dispensing machine according to the present invention;

FIG. 3 is an enlarged view of the structure of portion "A" in FIG. 2;

FIG. 4 is a schematic view of a dry mortar feed bin in the self-compacting concrete dispensing machine according to the present invention;

FIG. 5 is a schematic view of the interior of the weighing device of the self-compacting concrete dispensing machine according to the present invention;

FIG. 6 is an enlarged view of the structure of "B" in FIG. 5;

FIG. 7 is a schematic view of the mixing device of the self-compacting concrete dispensing machine according to the present invention.

Description of the main symbols:

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The first embodiment is as follows:

referring to fig. 1, a self-compacting concrete batching machine includes a fixing device 1, a raw material device 2, a weighing device 3 and a mixing device 4. A conveying pipe 102 and a connecting rod 103 are fixedly connected to the left inner wall of the fixing device 1, and the connecting rod 103 is positioned below the conveying pipe 102. The upper end of the conveying pipe 102 is divided into three through openings, and a raw material device 2 is arranged on the left inner wall of the fixing device 1. The raw material device 2 comprises a stone raw material tank 201, a dry mortar raw material tank 202 and a water tank 203.

Wherein, the lower ends of the stone raw material box 201, the dry mortar raw material box 202 and the water tank 203 are respectively fixedly connected with the upper end of the conveying pipe 102. The stone material tank 201, the dry mortar material tank 202 and the water tank 203 are respectively communicated with the interior of the conveying pipe 102.

In use, the three different ingredient input ports of the stone raw material box 201, the dry mortar raw material box 202 and the water tank 203 are finally introduced into one weighing device 3 for weighing through the arrangement of the conveying pipe 102. As can be appreciated, the arrangement avoids the trouble that the bottom of various dosing ports are required to be provided with the weighing device 3, and the space, the installation and the use cost of the device are greatly saved.

Example two:

referring to fig. 1 to 3, in the first embodiment, a grinding and screening device is disposed at the lower end of the stone raw material box 201. The abrasive screening device includes a first box wall 2011, an abrasive plate 2012, and a stone hole 2013. Fixedly connected with grinding plate 2012 on the lower port inner wall of first tank wall 2011, stone hole 2013 has been seted up to the upper surface equidistance of grinding plate 2012 evenly. Motor hole 2014 has been seted up at the upper surface center of lapping plate 2012, and the inside fixedly connected with first motor 2015 of motor hole 2014. An output shaft of the first motor 2015 is fixedly connected with a rotary column 2016, and the outer side of the rotary column 2016 is fixedly connected with a rotary rod 2017. The end of the rotating rod 2017 far away from the rotating column 2016 is provided with a grinding rod 2019, the end of the grinding rod 2019 close to the rotating rod 2017 is fixedly provided with a bearing 2018, and the inner ring of the bearing 2018 is fixedly connected with the rotating column 2016.

When in use, through the setting of grinding the sieving mechanism, stone raw material box 201 is used for assembling the stone raw material in the self-compacting concrete raw materials. For self-compacting concrete, the requirement on the quality of stones is far higher than that of common concrete, the stones are put into the stone raw material box 201, only the stones within the specified size can enter the conveying pipe 102 through the stone holes 2013 formed in the upper surface of the grinding plate 2012, and the stones outside the specified size can be accumulated on the upper surface of the grinding plate 2012 and are ground by the grinding rods 2019. It can be understood that the arrangement can enable larger stones to fall into the conveying pipe 102 from the stone holes 2013 for discharging after meeting the specification, so that the quality of the self-compacting concrete stone raw materials is strictly controlled, and the quality of the products after batching is improved.

Example three:

referring to fig. 1 and 4, in the first embodiment, a stirring and sieving device is disposed inside the dry mortar raw material tank 202.

Specifically, the stirring and screening device comprises a second box wall 2021, a motor rod 2022 and a second motor 2023. A motor rod 2022 is arranged inside the second box wall 2021, the motor rod 2022 is fixedly connected to the inner wall of the second box wall 2021, and a second motor 2023 is fixedly connected to the upper surface of the motor rod 2022. An output shaft of the second motor 2023 is fixedly connected with a stirring fan 2024, and the inner wall of the lower port of the second box wall 2021 is fixedly connected with a filter screen 2025.

When the dry mortar mixing and sieving device is used, dry mortar conveyed inside the dry mortar raw material box 202 is formed by mixing various powdery silt through the design of the mixing and sieving device. Due to the placement of the dry mortar, the dry mortar just poured into the dry mortar raw material tank 202 may be agglomerated due to the different characteristics of the various powders inside. Therefore, the presence of the stirring fan 2024 is provided inside the dry mortar raw material tank 202, and the rotation of the stirring fan 2024 causes the multiple powders in the dry mortar to be sufficiently mixed while scattering the agglomerated portions of the dry mortar. After being screened by the filter screen 2025, the dry mortar enters the conveying pipe 102, so that the quality of the dry mortar raw material is greatly improved.

Example four:

referring to fig. 1, 5 and 6, on the basis of the first embodiment, a fall-locking cleaning device is disposed at the upper end of the weighing device 3.

Specifically, the drop-lock cleaning apparatus includes a weighing tank 301, an excess material outlet 302, and a material inlet hole 303. The rear end of the weighing box 301 is fixedly connected with the connecting rod 103, and the front end of the weighing box 301 is fixedly provided with a surplus material outlet 302. The rear end of the weighing box 301 is provided with a material inlet hole 303, and the material inlet hole 303 and the surplus material outlet 302 are positioned on the same horizontal plane.

The inner wall of the material inlet hole 303 is fixedly connected with the conveying pipe 102, and the material inlet hole 303 is communicated with the conveying pipe 102. The rear inner wall of the weighing box 301 is provided with a shallow groove 304, and the rear inner wall of the lower end of the shallow groove 304 is provided with a deep groove 305. The horizontal plane of the deep groove 305 is positioned below the horizontal plane of the material inlet hole 303 and the excess material outlet 302, and a clamping groove 306 is formed in the front inner wall of the weighing box 301.

An upper edge plate 308 is arranged inside the weighing box 301, a clamping column 309 is fixedly connected to the front end of the upper edge plate 308, and the front end of the clamping column 309 is inserted into the clamping groove 306. The rear end of the upper edge plate 308 is fixedly connected with a shallow column 310, the rear end of the shallow column 310 is fixedly connected with an electromagnetic spring 311, the rear end of the electromagnetic spring 311 is fixedly connected with a deep column 312, the deep column 312 and the shallow column 310 are inserted into the shallow groove 304, and the shallow groove 304 is matched with the deep column 312 and the shallow column 310.

In use, with the drop lock cleaning apparatus in place, both the deep 312 and shallow 310 columns are inserted inside the shallow 304 columns when the apparatus is in the initial position. The deep column 312 is pressed against the shallow column 310 by the inner walls of the shallow channels 304, and the entire upper rim plate 308 is located above the material inlet hole 303.

The raw material can be smoothly transferred through the material inlet hole 303, and the upper edge plate 308 is lowered after the raw material meets a certain requirement. During the lowering process, the shallow pillars 310 and the deep pillars 312 may fall from the inside of the shallow grooves 304 to the inside of the deep grooves 305. Due to the presence of the electromagnetic spring 311, the deep column 312 is ejected and snapped into the deep groove 305, thereby completing the locking of the entire upper rim plate 308, and the excess material introduced through the material inlet hole 303 is allowed to pass through the upper surface of the upper rim plate 308. The excessive materials are discharged from the excessive material outlet 302, and the excessive materials can be used for the next time from the lower port of the excessive material outlet 302, so that the cost of the materials is saved.

Example five:

referring to fig. 1 and 5, on the basis of the first embodiment, a weighing switch device is disposed at the lower end of the weighing device 3.

Specifically, the weighing switch device includes a weighing slot 307, a vertical rod 313, and a lower flange 314. In the present embodiment, the number of weighing troughs 307 is two. Two weighing grooves 307 are respectively arranged on the front and rear inner walls of the lower end of the weighing box 301, and the upper end of the vertical rod 313 is fixedly connected with the center of the lower surface of the upper edge plate 308. The lower end of the vertical rod 313 is clamped with a lower edge plate 314, and the front end and the rear end of the lower edge plate 314 are fixedly connected with weighing columns 315. The upper surface of the weighing column 315 is fixedly connected with an adjustable spring 316, the weighing column 315 is inserted into the weighing groove 307, and the upper end of the adjustable spring 316 is fixedly connected to the upper inner wall of the weighing groove 307.

In use, the weighing compartment 301 is continuously charged through the charging inlet port 303 in an initial on-off state by setting the weighing switch device. When the raw material is fed into the interior of the weighing compartment 301, it is accumulated on the upper surface of the lower edge plate 314. As the amount of material being delivered increases, the weight of the material increases, and the amount of material that can be carried by the lower lip 314 is set by setting the stiffness coefficient of the adjustable spring 316. When the specified weight is reached, the lower edge plate 314 is lowered, so that the weighing compartment 301 is opened to the mixing device 4. The raw materials with certain weight are smoothly conveyed into the mixing device 4, so that the weighing and conveying are carried out simultaneously, and the batching speed of the device is increased.

Example six:

referring to fig. 1 and 7, in the first embodiment, the mixing device 4 includes a mixing box 401 and a discharge port 402, and the mixing box 401 is fixedly connected to the lower inner wall of the fixing plate 101. The mixing box 401 is over against the weighing device 3, and a discharge port 402 is fixedly arranged below the right wall of the mixing box 401.

Furthermore, the inside of the mixing device 4 is provided with a pushing stirring device. Specifically, the pushing stirring device includes a third motor 403 and a gear roller 404. The third motor 403 is fixedly connected to the center of the rear inner wall of the mixing box 401, and the output shaft of the third motor 403 is fixedly connected with a gear stick 404. The gear stick 404 is inside the mixing box 401, and the gear stick 404 is fitted to the mixing box 401.

In use, the mixing device 4 is a box formed by mixing a plurality of raw materials through the design of the pushing stirring device. After a plurality of raw materials are sequentially added, a layering phenomenon occurs in the mixing device 4, so that the mixed raw materials are difficult to be mutually fused and conveyed out from the discharge hole 402, and therefore, a pushing and stirring device is designed. When weighing device 3 emptys the raw materials, thereby drive gear roller 404 through starting third motor 403 and rotate not stopping, on the one hand with multiple raw materials misce bene, on the other hand last pivoted gear roller 404 also can with the raw materials acceleration in the mixing box 401 catch up to send to the position of discharge gate 402 and carry and go out, improved the quality and the speed of the batching machine ejection of compact.

The invention has the beneficial effects that:

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A self-compacting concrete proportioning machine comprises a fixing device (1), a raw material device (2), a weighing device (3) and a mixing device (4), a conveying pipe (102) and a connecting rod (103) are fixedly connected to the left inner wall of the fixing device (1), the connecting rod (103) is positioned below the conveying pipe (102), it is characterized in that a raw material device (2) is arranged on the left inner wall of the fixing device (1), the raw material device (2) comprises a stone raw material box (201), a dry mortar raw material box (202) and a water tank (203), the lower ends of the stone raw material box (201), the dry mortar raw material box (202) and the water tank (203) are respectively fixedly connected with the upper end of the conveying pipe (102), the stone raw material tank (201), the dry mortar raw material tank (202) and the water tank (203) are respectively communicated with the interior of the conveying pipe (102);

the lower end of the stone raw material box (201) is provided with a grinding and screening device;

a stirring and sieving device is arranged in the dry mortar raw material box (202);

a falling locking cleaning device is arranged at the upper end of the weighing device (3);

the lower end of the weighing device (3) is provided with a weighing switch device;

a pushing and stirring device is arranged in the mixing device (4);

the falling locking and cleaning device comprises a weighing box (301), an excess material outlet (302) and a material inlet hole (303), the rear end of the weighing box (301) is fixedly connected with a connecting rod (103), the front end of the weighing box (301) is fixedly provided with the excess material outlet (302), the rear end of the weighing box (301) is provided with the material inlet hole (303), the inner wall of the material inlet hole (303) is fixedly connected with a conveying pipe (102), the material inlet hole (303) is communicated with the conveying pipe (102), the rear inner wall of the weighing box (301) is provided with a shallow groove (304), and the rear inner wall of the lower end of the shallow groove (304) is provided with a deep groove (305);

a clamping groove (306) is formed in the front inner wall of the weighing box (301), an upper edge plate (308) is arranged inside the weighing box (301), a clamping column (309) is fixedly connected to the front end of the upper edge plate (308), the front end of the clamping column (309) is inserted into the clamping groove (306), a shallow column (310) is fixedly connected to the rear end of the upper edge plate (308), an electromagnetic spring (311) is fixedly connected to the rear end of the shallow column (310), a deep column (312) is fixedly connected to the rear end of the electromagnetic spring (311), the deep column (312) and the shallow column (310) are inserted into the shallow groove (304), and the shallow groove (304) is matched with the deep column (312) and the shallow column (310);

weighing switch device includes weighing groove (307), montant (313) and lower flange (314), the quantity of weighing groove (307) is two, two weighing groove (307) are seted up respectively on the front and back inner wall of weighing box (301) lower extreme, the upper end fixed connection of montant (313) is at the lower surface center of last flange (308), the lower extreme joint of montant (313) has lower flange (314), respectively fixedly connected with weighing post (315) are equallyd divide to the front and back both ends of lower flange (314), the last fixed surface of weighing post (315) is connected with adjustable spring (316), weighing post (315) insert the inside of weighing groove (307), the upper end fixed connection of adjustable spring (316) is in on the upper inner wall of weighing groove (307).

2. The self-compacting concrete dosing machine according to claim 1, wherein the grinding and screening device comprises a first box wall (2011), a grinding plate (2012) and a stone hole (2013), the grinding plate (2012) is fixedly connected to the inner wall of the lower port of the first box wall (2011), the stone hole (2013) is uniformly formed in the upper surface of the grinding plate (2012) at equal intervals, a motor hole (2014) is formed in the center of the upper surface of the grinding plate (2012), a first motor (2015) is fixedly connected to the inside of the motor hole (2014), a rotating column (2016) is fixedly connected to the output shaft of the first motor (2015), a rotating rod (2017) is fixedly connected to the outer side of the rotating column (2016), a grinding rod (2019) is arranged at one end far away from the rotating column (2016), a bearing (2018) is fixedly arranged at one end of the grinding rod (2019) close to the rotating column (2017), the inner ring of the bearing (2018) is fixedly connected with the rotary column (2016).

3. The self-compacting concrete dosing machine according to claim 1, characterized in that the mixing and screening device comprises a second box wall (2021), a motor rod (2022) and a second motor (2023), the second box wall (2021) is provided with the motor rod (2022) inside, the motor rod (2022) is fixedly connected to the inner wall of the second box wall (2021), the upper surface of the motor rod (2022) is fixedly connected with the second motor (2023), the output shaft of the second motor (2023) is fixedly connected with a mixing fan (2024), and the inner wall of the lower port of the second box wall (2021) is fixedly connected with a filter screen (2025).

4. The self-compacting concrete batching machine according to claim 1, characterized in that, mixing arrangement (4) includes mixing box (401) and discharge gate (402), mixing box (401) fixed connection is on the lower inner wall of fixed plate (101), mixing box (401) is just right with weighing device (3), the right wall below fixed mounting of mixing box (401) has discharge gate (402), it includes third motor (403) and gear rod (404) to promote agitating unit, third motor (403) fixed connection is in the rear inner wall center department of mixing box (401), the output shaft fixedly connected with gear rod (404) of third motor (403).