Concrete stirring device for building construction and using method thereof

Abstract

The invention relates to the technical field of electromechanical control, in particular to a concrete stirring device for building construction and a using method thereof. Specifically, a gravel grinding bin, a primary stirring bin and a secondary stirring bin are packaged in the stirring device outer shell; the sand and stone discharging pipe communicates with the sand and stone grinding bin, and the sand and stone grinding bin communicates with the primary stirring bin based on the first discharging pipe; the gravel discharging pipe is communicated with the first discharging pipe based on the first electric control door; the cement discharging pipe is communicated with the primary stirring bin; the primary stirring bin is communicated with the secondary stirring bin based on a second discharging pipe; the water inlet pipe is communicated with the secondary stirring bin; and the concrete discharging pipe is communicated with the second-stage stirring bin. On the basis of the concrete mixing device, the quality of finished concrete can be ensured, and meanwhile, the leading-out difficulty and the internal cleaning difficulty of the finished concrete corresponding to the concrete mixing device are reduced.

Description

Technical Field

[0001] The present invention relates to the field of electromechanical control technology, and in particular to a concrete mixing device for building construction and a use method thereof. Background Art

[0002] In the process of building construction, concrete plays an extremely important role; concrete is a raw material for building construction formed by mixing sand, cement powder and water in a certain proportion. The quality of concrete directly affects the quality of the overall structure of the building; "the quality of the mixed raw materials of concrete" and "whether the concrete is fully mixed" are important judgment conditions that affect the quality of concrete.

[0003] There are many types of existing concrete mixing devices for construction, but some concrete mixing devices still have the technical problem of "difficulty in ensuring the quality of finished concrete"; in addition, "how to reduce the difficulty of exporting finished concrete from concrete mixing devices" and "how to reduce the difficulty of internal cleaning of concrete mixing devices" are also technical problems that existing concrete mixing devices need to improve.

[0004] In order to solve the above-mentioned technical problems, it is urgent to propose a concrete mixing device for construction and a method of using the same. Summary of the invention

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a concrete mixing device for construction and a method of using the same, which solves the technical problem existing in the current concrete mixing device for construction: "how to reduce the difficulty of exporting the finished concrete and the difficulty of internal cleaning of the concrete mixing device while ensuring the quality of the finished concrete".

[0006] In order to achieve the above object, the main technical solutions adopted by the present invention include: The present invention provides a concrete mixing device for building construction, specifically: The outer shell of the stirring device is enclosed with a sand and stone grinding chamber, a primary stirring chamber and a secondary stirring chamber; The sand and gravel discharge pipe is connected to the sand and gravel grinding bin, and the sand and gravel grinding bin is connected to the primary mixing bin based on the first discharge pipe; the sand and gravel discharge pipe is connected to the first discharge pipe based on the first electric control door; the cement discharge pipe is connected to the primary mixing bin; the primary mixing bin is connected to the secondary mixing bin based on the second discharge pipe; the water inlet pipe is connected to the secondary mixing bin; the concrete discharge pipe is connected to the secondary mixing bin; A sand and gravel grinding roller is provided in the sand and gravel grinding bin; a sand and gravel filter is fixedly provided in the first discharge pipe; a first agitator is provided in the primary mixing bin, and the first agitator is provided with multiple groups of hollow mesh mixing blades; a second electric-controlled door is provided in the second discharge pipe; a second agitator and a three-leaf scraper are provided inside the secondary mixing bin, and a displacement track adapted to the base of the second agitator is provided at the top of the secondary mixing bin; a third electric-controlled door is provided in the concrete discharge pipe.

[0007] Optionally, a perspective window is provided on the outside of the outer shell; A pair of L-shaped support frames are symmetrically fixed at the bottom end of the outer shell; a pair of fixing plates are connected to the bottom surfaces of the corresponding L-shaped support frames based on the telescopic adjustment rod, and the fixing plates are provided with fixing threaded through holes.

[0008] Optionally, the telescopic adjustment rod is provided with a corresponding telescopic control button; the first electric-controlled door, the second electric-controlled door, and the third electric-controlled door are provided with corresponding door control buttons; The sand and gravel discharge pipe, cement discharge pipe, and water inlet pipe are equipped with corresponding pumps and pump start / stop control buttons; the sand and gravel grinding roller, the first agitator, the second agitator, and the three-leaf scraper are equipped with corresponding rotating motors and rotating motor start / stop control buttons.

[0009] Optionally, the telescopic control button, the door control button, the pump start / stop control button and the rotary motor start / stop control button are arranged on an external control console; the external control console is provided with a component information display screen; Wherein, the stirring device signal is communicated to the external control console.

[0010] Optionally, the main chamber bodies of the primary mixing chamber and the secondary mixing chamber are both hollow cylindrical structures.

[0011] Optionally, the sand and gravel filter is a V-shaped filter structure that is obliquely fixed in the first feed pipe; the sand and gravel discharge pipe is connected to the inner bottom end recess of the aforementioned V-shaped filter structure.

[0012] Optionally, the second agitator base is a gear structure; The top plate of the secondary mixing bin is provided with a plurality of parallel displacement tracks at equal intervals, and the side walls of the displacement tracks are provided with concave and convex teeth that fit the aforementioned gear structure; Each displacement track is adapted to a second agitator.

[0013] Optionally, the three-leaf wall scraper is a structure in which three wall scraping connecting rods are connected to the axis; the thickness of the wall scraping connecting rod is 1.5 cm; the wall scraping connecting rod is a structure in which a vertical rod is connected to a horizontal rod; The outer side surface of the vertical rod is in contact with the inner wall surface of the secondary mixing bin, and the bottom surface of the horizontal rod is in contact with the inner bottom surface of the secondary mixing bin.

[0014] The present invention also provides a method for using the stirring device. Specifically, the method comprises: S1, introducing sand and gravel particles of a preset weight into the sand and gravel grinding bin through a sand and gravel feeding pipe, and grinding the sand and gravel particles based on a sand and gravel grinding roller; Sand and gravel with standard particle size fall into the primary mixing bin through the sand and gravel filter, and sand and gravel with non-standard particle size are discharged out of the mixing device through the sand and gravel discharge pipe; S2, introducing a preset weight of cement powder into the primary mixing bin through the cement feed pipe; The cement powder and sand in the primary mixing bin are fully mixed by the first mixer to obtain a primary mixture; the primary mixture is continuously dropped into the secondary mixing bin through the second discharge pipe; S3, introducing a preset weight of water into the secondary mixing chamber through the water inlet pipe; The water and the primary mixture in the secondary mixing bin are fully mixed by the second mixer to obtain finished concrete; S4. Adjust the inclination of the mixing device based on the telescopic adjustment rod, so that the finished concrete is discharged out of the mixing device through the concrete discharge pipe.

[0015] Optionally, the method of use further includes: After a single batch or multiple batches of concrete are discharged based on S1 to S4, a preset weight of water is introduced into the secondary mixing bin through the water inlet pipe, and the secondary mixing bin is cleaned internally based on a three-leaf scraper; The inclination degree of the stirring device is adjusted based on the telescopic adjusting rod, so that the cleaning mixed liquid inside the secondary stirring bin is discharged out of the stirring device through the concrete discharge pipe.

[0016] The beneficial effects of the present invention are: First, a sand and stone grinding roller is provided in the sand and stone grinding bin, and the sand and stone grinding bin is connected to the primary mixing bin based on a first feeding pipe, and a sand and stone filter is fixedly provided in the first feeding pipe; based on the above structure, the quality of concrete is improved by controlling the standard degree of sand and stone particles in the primary mixing bin; Second, the sand and cement powder are pre-mixed in the primary mixing bin to obtain the primary mixture, and then the primary mixture and water are fully mixed for the second time in the secondary mixing bin to avoid the "caking" of the finished concrete; Third, the hollow mesh stirring blades based on the first stirrer are used to stir sand and cement powder; for the stirring of small-particle powdered raw materials, the hollow mesh stirring blades are more efficient and thorough than the traditional plate-shaped or sheet-shaped stirring blades; Fourth, the second agitator base is a gear structure, and the top plate of the secondary mixing bin is provided with a plurality of displacement tracks, and the side walls of the displacement tracks are provided with concave and convex teeth adapted to the aforementioned gear structure; based on the aforementioned structure, when the rotary motor drives the corresponding second agitator to rotate, the plurality of second agitator bases simultaneously reciprocate along the corresponding displacement tracks, thereby expanding the mixing range of the second agitator, and increasing the mixing degree of the primary mixture and water compared to the "traditional fixed axis mixing"; Fifth, a pair of L-shaped support frames are fixed at the bottom end of the outer shell, and the fixing plate is connected to the bottom surface of the corresponding L-shaped support frame based on the telescopic adjustment rod; based on the above structure, by adjusting the telescopic degree of the single-side telescopic adjustment rod, the inclination degree of the overall structure of the outer shell is controlled, so that the finished concrete in the secondary mixing bin is quickly discharged through the concrete discharge pipe under the action of gravity, thereby improving the discharge efficiency of the finished concrete; Sixth, the outer side surface of the vertical rod of the three-leaf scraper is in contact with the inner wall of the secondary mixing bin, and the bottom surface of the horizontal rod of the three-leaf scraper is in contact with the inner bottom surface of the secondary mixing bin; based on the aforementioned structure, after the current concrete is discharged, water is injected into the secondary mixing bin through the water inlet pipe, and the three-leaf scraper can quickly and thoroughly clean the interior of the secondary mixing bin, thereby improving the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 A schematic diagram of the internal structure of a concrete mixing device for construction provided by an embodiment of the present invention; Figure 2 A schematic diagram of the overall structure of a concrete mixing device for construction provided by an embodiment of the present invention; Figure 3 A schematic diagram of the connection relationship between the internal components of a concrete mixing device for construction provided by one embodiment of the present invention; Figure 4 A schematic diagram of the structure of a sand and stone grinding roller provided in one embodiment of the present invention; Figure 5 A schematic diagram of the structure of a sand and gravel filter combined with a sand and gravel discharge pipe provided in one embodiment of the present invention; Figure 6 A schematic diagram of the structure of a first agitator provided in one embodiment of the present invention; Figure 7 A schematic diagram of the structure of a second agitator provided in one embodiment of the present invention; Figure 8 A schematic diagram of the structure of a three-leaf wall scraper provided in one embodiment of the present invention; Fig. 9 A schematic diagram of the structure of an external console provided by an embodiment of the present invention; The foregoing Figures 1 to 9 The components and corresponding numbers are: Outer shell 1, sand and gravel grinding bin 2, primary mixing bin 3, secondary mixing bin 4, sand and gravel feeding pipe 5, first feeding pipe 6, sand and gravel discharging pipe 7, first electric control door 8, cement feeding pipe 9, second feeding pipe 10, water inlet pipe 11, concrete discharging pipe 12, sand and gravel grinding roller 13, central fixed axis 14, sand and gravel filter 15, auxiliary vibrator 16, first agitator 17, hollow mesh mixing blade 18, threaded connecting rod 19, mixing rod 20, second electric control Door 21, second agitator 22, three-leaf wall scraper 23, second agitator base 24, stirring column 25, stirring bar 26, secondary stirring bin top plate 27, displacement track 28, wall scraper connecting rod 29, vertical rod 30, horizontal rod 31, third electric control door 32, perspective window 33, L-shaped support frame 34, fixed plate 35, telescopic adjustment rod 36, fixed threaded through hole 37, external control console 38, component information display screen 39, signal transceiver / transmitter 40. DETAILED DESCRIPTION

[0018] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0019] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0020] Embodiment 1 This embodiment provides a concrete mixing device for construction, specifically, Figure 1 As shown, the outer shell 1 of the stirring device encloses a sand and stone grinding chamber 2, a primary stirring chamber 3 and a secondary stirring chamber 4. The specific structure of the outer shell 1 of the stirring device is as follows Figure 2 shown.

[0021] In this embodiment, Figure 3 As shown, the sand and stone feeding pipe 5 is connected to the sand and stone grinding chamber 2, and the sand and stone grinding chamber 2 is connected to the primary mixing chamber 3 through the first feeding pipe 6. Figure 1 and Figure 3 The sand and gravel discharge pipe 7 is connected to the first discharge pipe 6 based on the first electric control door 8. Figure 3 As shown, the cement discharge pipe 9 is connected to the primary mixing bin 3 ; the primary mixing bin 3 is connected to the secondary mixing bin 4 based on the second discharge pipe 10 ; the water inlet pipe 11 is connected to the secondary mixing bin 4 ; and the concrete discharge pipe 12 is connected to the secondary mixing bin 4 .

[0022] In this embodiment, Figure 1As shown, a sand and stone grinding roller 13 is provided in the sand and stone grinding bin 2; the structure of the sand and stone grinding roller 13 is as shown in FIG. Figure 4 As shown, the left and right sand and gravel grinding rollers 13 used in conjunction with each other rotate inward at the same frequency around the corresponding central fixed axis 14 at the same time to achieve the grinding of sand and gravel particles; in order to improve the degree of control over the particle size of sand and gravel, multiple groups of sand and gravel grinding rollers 13 used in conjunction with each other can be arranged from top to bottom; the spacing between the left and right sand and gravel grinding rollers 13 belonging to the same group, as well as the vertical height difference between different groups of sand and gravel grinding rollers 13 arranged above and below, can be flexibly adjusted and set based on actual working conditions.

[0023] In this embodiment, Figure 1 As shown, a sand filter 15 is fixedly provided in the first feeding pipe 6; the sand filter 15 is used to screen the "sand ground by the sand grinding roller 13"; the structure of the sand filter is as shown in FIG. Figure 5 As shown, combined Figure 1 and Figure 5 The sand and gravel filter 15 is a V-shaped filter structure that is obliquely fixed in the first feed pipe 6; the sand and gravel discharge pipe 7 is connected to the inner bottom end recess of the aforementioned V-shaped filter structure; preferably, the sand and gravel filter 15 is equipped with an auxiliary vibrator 16; based on the aforementioned structure, it is ensured that "large particles of sand and gravel that have not passed through the sand and gravel filter 15 after being ground by the sand and gravel grinding roller 13" slide down to the inside of the sand and gravel discharge pipe 7 based on the inner bottom end recess of the aforementioned V-shaped filter structure under the vibration action of the auxiliary vibrator 16.

[0024] In this embodiment, Figure 1 As shown, the primary mixing chamber 3 is provided with a first agitator 17; the structure of the first agitator 17 is as shown in Figure 6 As shown, combined Figure 1 and Figure 6 The first agitator 17 is provided with a plurality of groups of hollow mesh stirring blades 18, and the hollow mesh stirring blades 18 are correspondingly connected to the hollow mesh stirring blades 18 / stirring rods 20 based on threaded connecting rods 19; the hollow mesh stirring blades 18 rotate with the stirring rods 20 as the axis to stir the sand and cement powder.

[0025] In this embodiment, Figure 1 As shown, a second electrically controlled door 21 is provided in the second feeding pipe 10 .

[0026] In this embodiment, Figure 1 As shown, a second agitator 22 and a three-leaf scraper 23 are provided inside the secondary mixing bin 4 .

[0027] In this embodiment, for the second agitator 22, it should be noted that: The structure of the second agitator 22 is as follows Figure 7As shown, the structure of the second stirrer 22 is as follows: the second stirrer base 24 is fixed to one end of the stirring column 25, and the stirring column 25 is fixed with a plurality of stirring bars 26; the second stirrer base 24 is a gear structure; Figure 3 As shown, the top plate 27 of the secondary mixing bin is provided with a plurality of parallel displacement tracks 28 at equal intervals, and each displacement track 28 is adapted to a second agitator 22; the second agitator base 24 is adapted to the displacement track 28, which is specifically embodied as follows: the side wall of the displacement track 28 is provided with concave and convex teeth that fit the aforementioned gear structure; based on the aforementioned structure, combined with Figure 3 and Figure 7 When the second agitator base 24 is displaced in correspondence with the displacement track 28 , it drives the agitation column 25 to rotate, so that the agitation bar 26 agitates both the primary mixture and the water.

[0028] In this embodiment, for the three-leaf wall scraper 23, it should be noted that: The structure of the three-leaf scraper 23 is as follows Figure 8 As shown, the structure of the three-leaf scraper 23 is a structure in which three scraper connecting rods 29 are connected to the axis, and the scraper connecting rod 29 is a structure in which a vertical rod 30 is connected to a horizontal rod 31. In order to improve the cleaning degree of the three-leaf scraper 23 on the inside of the secondary mixing bin 4, the outer side of the vertical rod 30 is attached to the inner wall surface of the secondary mixing bin 4, and the bottom surface of the horizontal rod 31 is attached to the inner bottom surface of the secondary mixing bin 4; specifically, the scraper connecting rod 29 rotates around the axis, and the concrete adhering to the inner wall surface of the secondary mixing bin 4 is removed based on the vertical rod 30, and the residual concrete adhering to the inner bottom surface of the secondary mixing bin 4 is removed based on the horizontal rod 31; preferably, taking into account the "structural strength" and "scraping effect" of the scraper connecting rod 29, the thickness of the scraper connecting rod 29 is set to 1.5 cm.

[0029] In this embodiment, Figure 1 As shown, a third electric-controlled door 32 is provided in the concrete discharge pipe 12 .

[0030] In this embodiment, Figure 2 As shown, a perspective window 33 is provided outside the outer shell 1 , and the interior of the outer shell 1 can be observed through the perspective window 33 .

[0031] In this embodiment, Figure 2 As shown, a pair of L-shaped support frames 34 are symmetrically fixed to the bottom end of the outer shell 1, and are arranged on the left and right sides; a pair of fixing plates 35 are connected to the corresponding L-shaped support frame bottom surfaces 34 based on telescopic adjustment rods 36, and the fixing plates 35 are provided with fixed threaded through holes 37; when the stirring device is fixed at a preset position based on the fixed threaded through holes 37 and the fixing screws, the overall structural inclination of the stirring device can be controlled by adjusting the telescopic degree of the left / right telescopic adjustment rods 36.

[0032] In this embodiment, Figure 3 As shown, the main chamber bodies corresponding to the primary mixing chamber 3 and the secondary mixing chamber 4 are both hollow cylindrical structures.

[0033] In this embodiment, the power supply head of the stirring device can be a battery or an external 220V power supply.

[0034] In this embodiment, it should be noted that: the telescopic adjustment rod 36 is provided with a corresponding telescopic control button; the first electric control door 8, the second electric control door 21, and the third electric control door 32 are provided with corresponding door control buttons; the sand and gravel discharge pipe 5, the cement discharge pipe 9, and the water inlet pipe 11 are equipped with: corresponding pumps and pump start / stop control buttons; the sand and gravel grinding roller 13, the first agitator 17, the second agitator 22, and the three-leaf scraper 23 are equipped with: corresponding rotating motors and rotating motor start / stop control buttons.

[0035] In this embodiment, it should be noted that: in order to realize intelligent remote control, the stirring device signal is communicated to the external control console 38; the structure of the external control console 38 is as follows: Fig. 9 As shown, the external control console 38 is provided with a component information display screen 39 and a signal transceiver / transmitter 40; specifically, the aforementioned telescopic control button, door control button, pump start / stop control button and rotary motor start / stop control button are arranged on the external control console 38.

[0036] Based on the concrete mixing device for construction described in the aforementioned embodiment 1, a sand and gravel grinding roller is provided in the sand and gravel grinding bin, the sand and gravel grinding bin is connected to the primary mixing bin based on the first discharge pipe, and a sand and gravel filter is fixedly provided in the first discharge pipe; based on the aforementioned structure, the quality of concrete is improved by controlling the standard degree of sand and gravel particles in the primary mixing bin.

[0037] Based on the concrete mixing device for construction described in the aforementioned embodiment 1, the sand and cement powder are first pre-mixed in the primary mixing bin to obtain a primary mixture, and then the primary mixture and water are secondarily mixed in the secondary mixing bin to avoid "caking" of the finished concrete.

[0038] Based on the concrete mixing device for construction described in the aforementioned embodiment 1, the sand and cement powder are mixed based on the hollow mesh mixing blades of the first mixer; for the mixing of small-particle powdered raw materials, the hollow mesh mixing blades are more efficient and thorough than traditional plate-shaped or sheet-shaped mixing blades.

[0039] Based on the concrete mixing device for construction described in the aforementioned embodiment 1, the second agitator base is a gear structure, the top plate of the secondary mixing bin is provided with a plurality of displacement tracks, and the side walls of the displacement tracks are provided with concave and convex teeth adapted to the aforementioned gear structure; based on the aforementioned structure, when the rotating motor drives the corresponding second agitator to rotate, the plurality of second agitator bases simultaneously reciprocate along the corresponding displacement tracks, thereby expanding the mixing range of the second agitator and increasing the mixing degree of both the primary mixture and water compared to the "traditional fixed-axis mixing".

[0040] Based on the concrete mixing device for construction described in the aforementioned embodiment 1, a pair of L-shaped support frames are fixed to the bottom end of the outer shell, and the fixing plate is connected to the bottom surface of the corresponding L-shaped support frame based on the telescopic adjustment rod; based on the aforementioned structure, by adjusting the telescopic degree of the single-sided telescopic adjustment rod, the inclination degree of the overall structure of the outer shell is controlled, so that the finished concrete in the secondary mixing bin is quickly discharged through the concrete discharge pipe under the action of gravity, thereby improving the discharge efficiency of the finished concrete.

[0041] Based on the concrete mixing device for construction described in the aforementioned embodiment 1, the outer side surface of the vertical rod of the three-leaf scraper is attached to the inner wall surface of the secondary mixing bin, and the bottom surface of the horizontal rod of the three-leaf scraper is attached to the inner bottom surface of the secondary mixing bin; based on the aforementioned structure, after the current concrete is discharged, water is injected into the secondary mixing bin through the water inlet pipe, and the three-leaf scraper can quickly and thoroughly clean the interior of the secondary mixing bin, thereby improving the cleaning efficiency.

[0042] Embodiment 2 This embodiment provides a method for using the concrete mixing device for construction based on the first embodiment, and the method includes: S1, introducing sand and stone particles of a preset weight into the sand and stone grinding bin 2 through the sand and stone feeding pipe 5, and grinding the sand and stone particles based on the sand and stone grinding roller 13; Sand and gravel of standard particle size fall into the primary mixing bin based on the sand and gravel filter 15; The state of the first electric control door 8 is adjusted from closed to open, and the sand and gravel with non-standard particle size are discharged out of the stirring device based on the sand and gravel discharge pipe 7.

[0043] S2, introducing a preset weight of cement powder into the primary mixing bin 3 through the cement feed pipe 9; The first agitator 17 is used to fully mix the cement powder and sand in the primary mixing bin 3 to obtain a primary mixture; The state of the second electric control door 21 is adjusted from closed to open, and the primary mixed material falls into the secondary mixing bin 4 through the second feeding pipe 10 .

[0044] S3, introducing a preset weight of water into the secondary mixing chamber 4 through the water inlet pipe 11; The second mixer 22 is used to fully mix the water and the primary mixture in the secondary mixing bin 4 to obtain finished concrete.

[0045] S4, adjusting the state of the third electric control door 32 from closed to open, adjusting the inclination of the mixing device based on the telescopic adjustment rod 36, so that the finished concrete is discharged out of the mixing device through the concrete discharge pipe 12.

[0046] After a single batch or multiple batches of concrete are discharged based on the above S1 to S4, a preset weight of water is introduced into the secondary mixing chamber 4 through the water inlet pipe 11, and the interior of the secondary mixing chamber 4 is cleaned based on the three-leaf scraper 23; Based on the adjustment of the inclination of the stirring device by the telescopic adjustment rod 36 , the cleaning mixed liquid inside the secondary stirring chamber 4 is discharged out of the stirring device through the concrete discharge pipe 12 .

[0047] It should be noted that in the claims, any reference numerals placed between brackets shall not be construed as limiting the claims. The word "comprising" does not exclude the presence of components or steps not listed in the claims. The word "a" or "an" preceding a component does not exclude the presence of a plurality of such components. The use of the words first, second, third, etc., is only for convenience of expression and does not indicate any order. These words may be understood as part of the component name.

[0048] In addition, it should be noted that, in the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0049] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments after knowing the basic creative concept. Therefore, the claims should be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0050] Obviously, those skilled in the art can make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention should also include these modifications and variations.

Claims

1. A concrete mixing device for construction, characterized in that: The outer shell of the stirring device is enclosed with a sand and stone grinding chamber, a primary stirring chamber and a secondary stirring chamber; The sand and gravel discharge pipe is connected to the sand and gravel grinding bin, and the sand and gravel grinding bin is connected to the primary mixing bin based on the first discharge pipe; the sand and gravel discharge pipe is connected to the first discharge pipe based on the first electric control door; The cement discharge pipe is connected to the primary mixing bin; The primary mixing bin is connected to the secondary mixing bin via the second feeding pipe; The water inlet pipe is connected to the secondary mixing bin; the concrete discharge pipe is connected to the secondary mixing bin; A sand and gravel grinding roller is provided in the sand and gravel grinding bin; a sand and gravel filter is fixedly provided in the first discharge pipe; a first agitator is provided in the primary mixing bin, and the first agitator is provided with multiple groups of hollow mesh mixing blades; a second electric-controlled door is provided in the second discharge pipe; a second agitator and a three-leaf scraper are provided inside the secondary mixing bin, and a displacement track adapted to the base of the second agitator is provided at the top of the secondary mixing bin; a third electric-controlled door is provided in the concrete discharge pipe.

2. The stirring device according to claim 1, characterized in that: A perspective window is provided outside the outer shell; A pair of L-shaped support frames are symmetrically fixed at the bottom end of the outer shell; a pair of fixing plates are connected to the bottom surfaces of the corresponding L-shaped support frames based on the telescopic adjustment rod, and the fixing plates are provided with fixing threaded through holes.

3. The stirring device according to claim 2, characterized in that: The telescopic adjustment rod is provided with a corresponding telescopic control button; the first electric control door, the second electric control door, and the third electric control door are provided with corresponding door control buttons; The sand and gravel discharge pipe, cement discharge pipe, and water inlet pipe are equipped with corresponding pumps and pump start / stop control buttons; the sand and gravel grinding roller, the first agitator, the second agitator, and the three-leaf scraper are equipped with corresponding rotating motors and rotating motor start / stop control buttons.

4. The stirring device according to claim 3, characterized in that: The telescopic control button, door control button, pump start / stop control button and rotary motor start / stop control button are arranged on the external control console; the external control console is provided with a component information display screen; Wherein, the stirring device signal is communicated to the external control console.

5. The stirring device according to claim 1, characterized in that: The main chamber bodies of the primary mixing chamber and the secondary mixing chamber are both hollow cylindrical structures.

6. The stirring device according to claim 1, characterized in that: The sand and gravel filter is a V-shaped filter structure that is fixed obliquely in the first feed pipe; the sand and gravel discharge pipe is connected to the inner bottom end recess of the aforementioned V-shaped filter structure.

7. The stirring device according to claim 1, characterized in that: The second agitator base is a gear structure; The top plate of the secondary mixing bin is provided with a plurality of parallel displacement tracks at equal intervals, and the side walls of the displacement tracks are provided with concave and convex teeth that fit the aforementioned gear structure; Each displacement track is adapted to a second agitator.

8. The stirring device according to claim 1, characterized in that: The three-leaf scraper is a structure in which three scraper connecting rods are connected to the axis; the thickness of the scraper connecting rod is 1.5 cm; the scraper connecting rod is a structure in which a vertical rod is connected to a horizontal rod; The outer side surface of the vertical rod is in contact with the inner wall surface of the secondary mixing bin, and the bottom surface of the horizontal rod is in contact with the inner bottom surface of the secondary mixing bin.

9. A method for using the stirring device according to any one of claims 1 to 8, characterized in that: The method of use includes: S1, introducing sand and gravel particles of a preset weight into the sand and gravel grinding bin through a sand and gravel feeding pipe, and grinding the sand and gravel particles based on a sand and gravel grinding roller; Sand and gravel with standard particle size fall into the primary mixing bin through the sand and gravel filter, and sand and gravel with non-standard particle size are discharged out of the mixing device through the sand and gravel discharge pipe; S2, introducing a preset weight of cement powder into the primary mixing bin through the cement feed pipe; The cement powder and sand in the primary mixing bin are fully mixed by the first mixer to obtain a primary mixture; the primary mixture is continuously dropped into the secondary mixing bin through the second discharge pipe; S3, introducing a preset weight of water into the secondary mixing chamber through the water inlet pipe; The water and the primary mixture in the secondary mixing bin are fully mixed by the second mixer to obtain finished concrete; S4. Adjust the inclination of the mixing device based on the telescopic adjustment rod, so that the finished concrete is discharged out of the mixing device through the concrete discharge pipe.

10. The method of use according to claim 9, characterized in that: The method of use also includes: After a single batch or multiple batches of concrete are discharged based on S1 to S4, a preset weight of water is introduced into the secondary mixing bin through the water inlet pipe, and the secondary mixing bin is cleaned internally based on a three-leaf scraper; The inclination degree of the stirring device is adjusted based on the telescopic adjusting rod, so that the cleaning mixed liquid inside the secondary stirring bin is discharged out of the stirring device through the concrete discharge pipe.

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