CN113715164B

CN113715164B - Concrete preparation system and preparation method

Info

Publication number: CN113715164B
Application number: CN202110887276.6A
Authority: CN
Inventors: 卢益礼; 赵瑞东; 周辉
Original assignee: Taizhou Yinji Building Materials Co ltd
Current assignee: Taizhou Yinji Building Materials Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2023-01-06
Anticipated expiration: 2041-08-03
Also published as: CN113715164A

Abstract

The invention discloses a concrete preparation system and a preparation method, wherein the concrete preparation system comprises a shell, wherein four material troughs are uniformly arranged at intervals in the circumferential direction of the shell; a collecting tank is arranged at the bottom in the machine shell, a stirring shell is arranged in the machine shell, and a discharge port and a cover plate are arranged at the lower end of the stirring shell; a stirring cavity is formed in the stirring shell, a stirring assembly is arranged in the stirring cavity, a lower end plate is fixedly arranged in the shell, a feeding cylinder is fixedly arranged on the lower end plate, connecting arms are arranged in the shell, and a hopper is slidably connected in each connecting arm; an upper end plate is arranged in the shell, and a first spring is arranged at the lower end of the hopper; a feeding rotating shaft is rotatably connected in the upper end plate; the upper end of the upper end plate is fixedly provided with a driving assembly for controlling the intermittent rotation of the feeding rotating shaft; the concrete preparation system is simple in structure, and the prepared concrete is uniformly stirred.

Description

Concrete preparation system and preparation method

Technical Field

The invention relates to the technical field of concrete, in particular to a concrete preparation system and a preparation method.

Background

The concrete is the most widely used building material in modern times, and has the advantages of rich raw materials, low price, simple process, high strength, good durability and the like. The concrete is formed by mixing and stirring cement, fine sand, broken stone and water according to a certain proportion, and because the dosage is large and the types of raw materials are many, the metering control of each component of the concrete is not accurate generally, and the quality of the concrete is influenced; the quantitative preparation is difficult when the concrete is prepared, and the waste of the concrete is often caused by adopting a principle of more and more concrete; in the process of stirring concrete, the raw materials are often added into the concrete at one time for mixing and stirring, so that the stirring is insufficient, and the quality of the concrete is influenced.

Disclosure of Invention

The invention aims to provide a concrete preparation system which is simple in structure and can be used for uniformly stirring manufactured concrete.

In order to achieve the purpose, the invention provides the following technical scheme: a concrete preparation system comprises a machine shell, wherein four material grooves are uniformly arranged on the machine shell at intervals in the circumferential direction; a collecting tank for collecting concrete is arranged at the bottom in the casing, a stirring casing is arranged in the casing and is arranged right above the collecting tank through a support frame, and a discharge port and a cover plate for opening or closing the discharge port are arranged at the lower end of the stirring casing; a stirring cavity is formed in the stirring shell, a stirring assembly is arranged in the stirring cavity, a lower end plate is fixedly arranged at an opening at the upper end of the stirring shell in the shell, a feeding cylinder is fixedly arranged on the lower end plate, a connecting arm is arranged between the inner side of each material groove and the feeding cylinder in the shell, a sliding groove communicated with the feeding cylinder is arranged in each connecting arm along the vertical direction, and a hopper is slidably connected in each sliding groove along the vertical direction; an upper end plate is fixedly arranged at the upper ends of the feeding cylinder and the connecting arm in the shell, a first spring for forcing the hopper to move upwards is arranged between the lower end plate and the lower end of the hopper in each sliding chute, the material groove is communicated with the hopper when the hopper is at the upper end position, and the material groove is disconnected with the hopper when the hopper is at the lower end position; the feeding rotating shaft is positioned in the feeding cylinder and is connected with the upper end plate in a rotating manner, and the feeding rotating shaft and the feeding cylinder are positioned at the same axial position; the feeding rotating shaft is used for controlling the four hoppers to be sequentially communicated with the stirring cavity; and a driving assembly for controlling the intermittent rotation of the feeding rotating shaft is fixedly arranged at the upper end of the upper end plate.

Further, the inside wall of every silo of casing inherent all is equipped with first porose, the lateral wall of hopper is equipped with the second and caves, and when the hopper was in the upper end position, first porose and second were bored and are in coaxial position, and in the material of silo got into the hopper, the hopper downstream, when the hopper downstream reached lower extreme position, first porose and second were bored and stagger completely, and the material of silo stops to get into in the hopper.

Furthermore, the bottom of each trough is provided with an inclined plane inclined towards the first outlet hole.

Furthermore, the side surface of each hopper far away from the material groove is provided with an opening, the outer side of the feeding rotating shaft is provided with a notch, and the outer side of the feeding rotating shaft close to the upper end is radially provided with a stop block; the stop block is positioned right above the notch; the lower end of the feeding rotating shaft is provided with a communicating hole for communicating the notch with the stirring cavity, when the notch is communicated with the opening of the hopper, the stop block is positioned right above the hopper, and the material in the trough enters the stirring cavity through the notch and the communicating hole; when the notch is completely disconnected with the opening of the hopper, the stop block leaves the upper part of the hopper, and the material in the hopper stops entering the stirring cavity and moves upwards to the upper end under the action of the first spring.

Furthermore, the driving assembly comprises a first motor, a protruding shaft which upwards extends out of the upper end plate is arranged at the center of the upper end of the feeding rotating shaft, a grooved wheel is fixedly arranged on the protruding shaft, a motor housing is arranged on the outer side of the grooved wheel above the upper end plate, the first motor is fixedly arranged above the motor housing, and an output shaft of the first motor extends into the motor housing and is fixedly provided with a poking wheel which is meshed with the grooved wheel.

Furthermore, the outer side of the grooved wheel is uniformly arranged in four shifting grooves at intervals along the circumferential direction, and the end face of the shifting wheel is provided with shifting columns matched with the shifting grooves; when the first motor drives the poking wheel to rotate for one circle, the grooved wheel drives the feeding rotating shaft to rotate for 90 degrees through the protruding shaft, and the notch is communicated with the opening of one hopper.

Furthermore, the stirring subassembly is including rotating the (mixing) shaft of connecting in the stirring shell, the outside of stirring shell is fixed to be equipped with and is used for driving (mixing) shaft pivoted second motor, the outside of (mixing) shaft is equipped with the stirring vane who is located the stirring intracavity.

The invention also provides a method for preparing concrete by using the concrete preparation system, which comprises the following steps:

s1, respectively pouring water, fine sand, broken stone and cement into a trough, wherein except the trough opposite to the notch, materials in other troughs enter corresponding hoppers through a first outlet hole and a second outlet hole, the hoppers filled with the materials compress a first spring to move downwards, so that the first outlet hole and the second outlet hole are gradually staggered, and when the weight of the materials in the hoppers reaches a set value, the first outlet hole and the second outlet hole are completely staggered;

s2, the feeding rotating shaft is driven to rotate through the driving assembly, the feeding rotating shaft controls materials in the four material tanks to enter the stirring cavity in sequence and intermittently, the stirring assembly is controlled to fully stir the materials to prepare concrete, and the stirring assembly stops working after the concrete is stirred.

S3, manually opening the cover plate, and enabling the prepared concrete in the stirring cavity to flow into the collecting tank through the discharge hole.

Advantageous effects

Compared with the prior art, the technical scheme of the invention has the following advantages:

1. the weighing of the materials is realized by using the matching of the hopper and the first spring, so that each material can be weighed according to the proportion by one-time adding amount, and can be added for multiple times according to the proportion amount, the amount of each component is accurate, and the quality of concrete is ensured;

2. the driving assembly drives the feeding rotating shaft to rotate intermittently, so that materials in the hoppers are poured into the stirring cavity in sequence, and all components of the concrete are added for multiple times, so that the concrete can be better mixed;

3. drive feeding pivot intermittent type rotation through drive assembly to pour the material in each hopper into the stirring intracavity in proper order, can avoid extravagant through the accurate concrete preparation volume of calculating of the number of rotations of feeding pivot.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 2 in accordance with the present invention;

FIG. 5 isbase:Sub>A sectional view taken along line A-A of FIG. 1 after the material is introduced into the present invention;

fig. 6 is a sectional view taken along line D-D of fig. 5.

Detailed Description

Referring to fig. 1-6, a concrete preparation system includes a casing 1, wherein four

troughs

1a,1b,1c,1d are uniformly arranged at circumferential intervals on the casing 1; a collecting tank 1g for collecting concrete is arranged at the bottom in the machine shell 1, a stirring shell 11 is arranged in the machine shell 1 through a support frame right above the collecting tank 1g, a discharge port 12 is arranged at the lower end of the stirring shell 11, and a cover plate 10 for opening or closing the discharge port 12 is arranged; a stirring cavity 1f is formed in the stirring shell 11, a stirring assembly is arranged in the stirring cavity 1f, a lower end plate 13 is fixedly arranged at an opening at the upper end of the stirring shell 11 in the machine shell 1, a feeding cylinder 15 is fixedly arranged on the lower end plate 13, a connecting arm 16 is arranged between the inner side of each

trough

1a,1b,1c and 1d and the feeding cylinder 15 in the machine shell 1, a chute communicated with the feeding cylinder 15 is arranged in each connecting arm 16 along the vertical direction, and a

hopper

6a,6b,6c and 6d is connected in each chute along the vertical direction in a sliding manner; an upper end plate 14 is fixedly arranged at the upper ends of a feeding cylinder 15 and a connecting arm 16 in the machine shell 1, a first spring 7 for forcing the

hoppers

6a,6b,6c and 6d to move upwards is arranged between the lower end plate 13 and the lower ends of the

hoppers

6a,6b,6c and 6d in each chute, when the

hoppers

6a,6b,6c and 6d are in the upper end positions, the

troughs

1a,1b,1c and 1d are communicated with the

hoppers

6a,6b,6c and 6d, and when the

hoppers

6a,6b,6c and 6d are in the lower end positions, the

troughs

1a,1b,1c and 1d are disconnected with the

hoppers

6a,6b,6c and 6d; the upper end plate 14 is rotatably connected with a feeding rotating shaft 5 positioned in a feeding cylinder 15, and the feeding rotating shaft 5 and the feeding cylinder 15 are in a coaxial position; the feeding rotating shaft 5 is used for controlling four

hoppers

6a,6b,6c and 6d to be sequentially communicated with the stirring cavity 1 f; and a driving assembly for controlling the intermittent rotation of the feeding rotating shaft 5 is fixedly arranged at the upper end of the upper end plate 14.

The inner side wall of each

trough

1a,1b,1c and 1d in the machine shell 1 is provided with a first outlet hole 1e, the side wall of each

hopper

6a, 1b, 6c and 1d is provided with a second outlet hole 61, when the

hopper

6a,6b,6c and 6d is arranged at the upper end position, the first outlet hole 1e and the second outlet hole 61 are in a coaxial position, materials in the

troughs

1a,1b,1c and 1d enter the

hoppers

6a,6b,6c and 6d, the

hoppers

6a,6b,6c and 6d move downwards, when the

hoppers

6a,6b,6c and 1d move downwards to the lower end position, the first outlet holes 1e and the second outlet holes 61 are completely staggered, and the materials in the

troughs

1a,1b,1c and 1d stop entering the

hoppers

6a,6b,6c and 6d. The bottom of each

trough

1a,1b,1c,1d is provided with a slope 62 inclined to the first outlet hole 1 e.

Each

hopper

6a,6b,6c,6d is provided with an opening at the side far away from the

troughs

1a,1b,1c,1d, the outer side of the feeding rotating shaft 5 is provided with a notch 5a, and the outer side of the feeding rotating shaft 5 near the upper end is radially provided with a stop 5b; the stop block 5b is positioned right above the notch 5 a; the lower end of the feeding rotating shaft 5 is provided with a communicating hole 51 for communicating the notch 5a with the stirring cavity 1f, when the notch 5a is communicated with the opening of the

hopper

6a,6b,6c and 6d, the block 5b is positioned right above the

hopper

6a,6b,6c and 6d, and the materials in the

troughs

1a,1b,1c and 1d enter the stirring cavity 1f through the notch 5a and the communicating hole 51; when the notch 5a turns to be completely disconnected from the opening of the

hopper

6a,6b,6c,6d, the stop 5b leaves above the

hopper

6a,6b,6c,6d, and the material in the

hopper

6a,6b,6c,6d stops entering the stirring chamber 1f and moves upwards to the upper position under the action of the first spring 7.

The driving assembly comprises a first motor 2, a protruding shaft 53 which upwards extends out of the upper end plate 14 is arranged at the center of the upper end of the feeding rotating shaft 5, a grooved pulley 3 is fixedly arranged on the protruding shaft 53, a motor housing 19 is arranged above the upper end plate 14 and outside the grooved pulley 3, the first motor 2 is fixedly arranged above the motor housing 19, and an output shaft of the first motor 2 extends into the motor housing 19 and is fixedly provided with a poking wheel 4 which is meshed with the grooved pulley 3. The outer side of the grooved wheel 3 is uniformly arranged in four shifting grooves 3a at intervals along the circumferential direction, and the end face of the shifting wheel 4 is provided with shifting columns 4a matched with the shifting grooves 3 a; when the first motor 2 drives the dial wheel 4 to rotate for one circle, the grooved wheel 3 drives the feeding rotating shaft 5 to rotate for 90 degrees through the protruding shaft 53, and the notch 5a is communicated with an opening of one of the

hoppers

6a,6b,6c and 6 d.

Stirring assembly is including rotating (mixing) shaft 9 of connection in stirring shell 11, the outside of stirring shell 11 is fixed to be equipped with and is used for driving (mixing) shaft 9 pivoted second motor 8, the outside of (mixing) shaft 9 is equipped with and is located the stirring vane 91 in stirring chamber 1 f.

The embodiment also provides a method for preparing concrete by using the concrete preparation system, which comprises the following steps:

s1, respectively pouring water, fine sand, gravel and cement into

troughs

1a,1b,1c and 1d, as shown in FIG. 2, except for the trough 1c opposite to the notch 5a, the materials in the

other troughs

1a,1b and 1d enter

corresponding hoppers

6a,6b and 6d through first outlet holes 1e and second outlet holes 61, the

hoppers

6a,6b and 6d containing the materials compress first springs 7 to move downwards, so that the first outlet holes 1e and the second outlet holes 61 are gradually staggered, and when the weight of the materials in the

hoppers

6a,6b and 6d reaches a set value, the first outlet holes 1e and the second outlet holes 61 are completely staggered;

s2, the feeding rotating shaft 5 is driven to rotate through the driving assembly, the feeding rotating shaft 5 controls materials in the four

material grooves

1a,1b,1c and 1d to enter the stirring cavity 1f in sequence and intermittently, the stirring assembly is controlled to fully stir the materials to prepare concrete, and the stirring assembly stops working after the concrete is stirred.

S3, manually opening the cover plate 10, and enabling the prepared concrete in the stirring cavity 1f to flow into the collecting tank 1g through the discharge hole 12.

In the step S2, when the driving assembly works, the first motor 2 is started, so that the first motor 2 drives the poking wheel 4 to rotate, when the poking wheel 4 rotates, the poking column 4a is driven to enter the poking groove 3a, the grooved pulley 3 is driven to rotate by 90 °, so that the grooved pulley 3 is driven to rotate by 90 ° when the poking wheel 4 rotates by one turn, and the grooved pulley 3 is driven to rotate by 90 ° because the grooved pulley 3 is fixedly connected with the feeding rotating shaft 5 through the protruding shaft 53, so that the feeding rotating shaft 5 is driven to rotate by 90 °, the notch 5a is made to face the opening of the hopper 6b, so that the material in the hopper 6b enters the stirring cavity 1f through the notch 5a and the communication hole 51, because the stopper 5b rotates to the position above the hopper 6b, the hopper 6b is limited, the hopper 6b is prevented from moving upwards, the material in the hopper 6b can all enter the stirring cavity 1f, and meanwhile, because the stopper 5b moves away from the hopper 6c from the position above the hopper 6c under the action of the first spring 7, the second outlet 61 on the hopper 6c completely coincides with the first outlet 1e on the hopper 1c, and the hopper 6 c; when the materials in the hopper 6b enter the stirring cavity 1f, the first motor 2 rotates for one circle again to drive the feeding rotating shaft 5 to rotate for 90 degrees, so that the notch 5a is opposite to the opening of the hopper 6a, the materials in the hopper 6a enter the stirring cavity 1f through the notch 5a and the communicating hole 51, meanwhile, the baffle 5b moves away from the upper part of the hopper 6b, so that the hopper 6b moves to the upper end position under the action of the first spring 7, the second outlet hole 61 on the hopper 6b is completely superposed with the first outlet hole 1e on the trough 1b, and the materials are fed from the hopper 6 b; when the materials in the hopper 6a enter the stirring cavity 1f, the first motor 2 rotates for one turn to drive the feeding rotating shaft 5 to rotate for 90 degrees, so that the notch 5a is opposite to the opening of the hopper 6d, the materials in the hopper 6d enter the stirring cavity 1f through the notch 5a and the communicating hole 51, meanwhile, the baffle 5b moves away from the upper part of the hopper 6a, so that the hopper 6a moves to the upper end position under the action of the first spring 7, the second outlet 61 on the hopper 6a is completely superposed with the first outlet 1e on the trough 1b, and the materials are fed from the hopper 6 a; when the materials in the hopper 6d enter the stirring cavity 1f, the first motor 2 rotates for one turn to drive the feeding rotating shaft 5 to rotate for 90 degrees, so that the notch 5a is opposite to the opening of the hopper 6c, the materials in the hopper 6c enter the stirring cavity 1f through the notch 5a and the communicating hole 51, meanwhile, the baffle 5b moves away from the upper part of the hopper 6d, so that the hopper 6d moves to the upper end position under the action of the first spring 7, the second outlet hole 61 in the hopper 6d is completely superposed with the first outlet hole 1e in the trough 1b, and the materials are fed from the hopper 6d; thus forming a cycle; the feeding shaft 5 is rotated 90 degrees every time the first motor 2 rotates one turn, so that the materials in the

hoppers

6a,6b,6c,6d opposite to the notches 5a enter the stirring cavity 1f, and meanwhile the previous hopper completes the feeding action; therefore, materials required for preparing concrete are added once in proportion every four turns of the first motor 2; each material can be accurately controlled to be added in proportion; the total amount of concrete prepared can also be controlled by the number of turns of the first motor 2; the first motor 2 is stopped when all the required concrete material is added. When the stirring assembly works, the second motor 8 drives the stirring blade 91 through the stirring shaft 9 to stir the materials to prepare concrete while adding the materials, and the second motor 8 is stopped to complete preparation after the concrete is stirred.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A concrete preparation system is characterized by comprising a machine shell, wherein four material grooves are uniformly arranged at intervals in the circumferential direction of the machine shell; a collecting tank for collecting concrete is arranged at the bottom in the casing, a stirring shell is arranged in the casing through a support frame right above the collecting tank, and a discharge port and a cover plate for opening or closing the discharge port are arranged at the lower end of the stirring shell; a stirring cavity is formed in the stirring shell, a stirring assembly is arranged in the stirring cavity, a lower end plate is fixedly arranged at an opening at the upper end of the stirring shell in the shell, a feeding cylinder is fixedly arranged on the lower end plate, a connecting arm is arranged between the inner side of each material groove and the feeding cylinder in the shell, a sliding groove communicated with the feeding cylinder is arranged in each connecting arm along the vertical direction, and a hopper is connected in each sliding groove along the vertical direction in a sliding manner; an upper end plate is fixedly arranged at the upper ends of the feeding cylinder and the connecting arm in the shell, a first spring for forcing the hopper to move upwards is arranged between the lower end plate and the lower end of the hopper in each sliding chute, the material groove is communicated with the hopper when the hopper is at the upper end position, and the material groove is disconnected with the hopper when the hopper is at the lower end position; the feeding rotating shaft is positioned in the feeding cylinder and is connected with the upper end plate in a rotating manner, and the feeding rotating shaft and the feeding cylinder are positioned at the same axial position; the feeding rotating shaft is used for controlling the four hoppers to be sequentially communicated with the stirring cavity; the upper end of the upper end plate is fixedly provided with a driving assembly for controlling the intermittent rotation of the feeding rotating shaft;

the inner side wall of each material groove in the shell is provided with a first outlet hole, the side wall of the hopper is provided with a second outlet hole, when the hopper is positioned at the upper end position, the first outlet hole and the second outlet hole are positioned at the same axial position, the material in the material groove enters the hopper, the hopper moves downwards, when the hopper moves downwards to the lower end position, the first outlet hole and the second outlet hole are completely staggered, and the material in the material groove stops entering the hopper;

the bottom of each trough is provided with an inclined plane inclined towards the first outlet hole;

the side surface of each hopper far away from the material groove is provided with an opening, the outer side of the feeding rotating shaft is provided with a notch, and the outer side of the feeding rotating shaft close to the upper end is radially provided with a stop block; the stop block is positioned right above the notch; the lower end of the feeding rotating shaft is provided with a communicating hole for communicating the notch with the stirring cavity, when the notch is communicated with the opening of the hopper, the stop block is positioned right above the hopper, and the material in the trough enters the stirring cavity through the notch and the communicating hole; when the notch is completely disconnected from the opening of the hopper, the stop block leaves the upper part of the hopper, and the material in the hopper stops entering the stirring cavity and moves upwards to the upper end under the action of the first spring;

the driving assembly comprises a first motor, a protruding shaft which upwards extends out of an upper end plate is arranged at the center of the upper end of the feeding rotating shaft, a grooved pulley is fixedly arranged on the protruding shaft, a motor housing is arranged on the outer side of the grooved pulley above the upper end plate, the first motor is fixedly arranged above the motor housing, and an output shaft of the first motor extends into the motor housing and is fixedly provided with a poking wheel which is meshed with the grooved pulley;

the outer side of the grooved wheel is uniformly arranged in four shifting grooves at intervals along the circumferential direction, and the end face of the shifting wheel is provided with shifting columns matched with the shifting grooves; when the first motor drives the poking wheel to rotate for one circle, the grooved wheel drives the feeding rotating shaft to rotate for 90 degrees through the protruding shaft, and the notch is communicated with the opening of one hopper.

2. The concrete preparation system of claim 1, wherein the stirring assembly comprises a stirring shaft rotatably connected in a stirring shell, a second motor for driving the stirring shaft to rotate is fixedly arranged on the outer side of the stirring shell, and a stirring blade positioned in the stirring cavity is arranged on the outer side of the stirring shaft.

3. A method of preparing concrete using the concrete preparation system of claim 2, comprising the steps of:

s2, driving a feeding rotating shaft to rotate through a driving assembly, controlling materials in the four material tanks to sequentially and intermittently enter a stirring cavity through the feeding rotating shaft, controlling the stirring assembly to fully stir the materials to prepare concrete, and stopping the stirring assembly after the concrete is stirred;