CN215150381U - Concrete mixer - Google Patents

Abstract

The application relates to a concrete mixer, it includes mixing drum, churn, unloading mechanism and rabbling mechanism, mixing drum locates mixing drum top, mixing drum bottom with be equipped with the intercommunication mouth between the churn, unloading mechanism locates intercommunication mouth department, unloading mechanism is used for control mixing drum is to unloading in the churn, the rabbling mechanism is used for right material in mixing drum and the churn stirs, mixing drum top is equipped with the pan feeding mouth, the churn bottom is equipped with the discharge gate, the churn lateral wall is equipped with the water inlet. This application has the effect that improves concrete mixing production efficiency.

Description

Concrete mixer

Technical Field

The application relates to the technical field of concrete production equipment, in particular to a concrete mixer.

Background

A concrete mixer is a machine for mixing and stirring cement, gravel aggregate and water into a concrete mixture. Adding concrete raw materials into the feeding mechanism, then adding the raw materials into the stirring mechanism through the feeding port through the feeding mechanism, adding water through the water inlet pipe, stirring and mixing the materials and the water by the rotation of the stirring mechanism under the driving of the motor, and preparing the concrete and discharging the concrete from the discharging port.

The utility model discloses a chinese utility model patent that is applying for CN201821722164.5 discloses a concrete mixing device, including the churn, a plurality of supporting seats of outer end fixedly connected with of churn, the lower extreme fixedly connected with supporting legs of supporting seat, the left end fixedly connected with motor of churn, the output of motor is connected with the pivot, the right inner wall fixedly connected with fixing base of churn, the one end that the fixing base is close to the pivot is excavated there is the circular slot, fixedly connected with bearing in the circular slot, the right-hand member of pivot runs through the left inner wall and the bearing inner circle fixed connection of churn, a plurality of connecting plates of outer end fixedly connected with of pivot, the first doctor-bar of upper end fixedly connected with of a pair of connecting plate of parallel, at the stirring in-process through first doctor-bar, second doctor-bar and scraper strike off and the broken concrete piece of being stained with on the churn inner wall of being stained with.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the concrete volume is great, accomplish the back with concrete mixing through above-mentioned agitating unit, discharge through the concrete that the discharging pipe will be stirred well down, discharge the back completely with the concrete in the churn, just can carry out the next time stirring, lead to at the bottom of the stirring efficiency, influence concrete continuous production efficiency.

SUMMERY OF THE UTILITY MODEL

In order to improve concrete mixing production efficiency, the application provides a concrete mixer.

The application provides a concrete mixer adopts following technical scheme:

the utility model provides a concrete mixer, includes mixing drum, churn, unloading mechanism and rabbling mechanism, mixing drum locates the churn top, mixing drum bottom with be equipped with the intercommunication mouth between the churn, unloading mechanism locates intercommunication mouth department, unloading mechanism is used for control mixing drum is to unloading in the churn, the rabbling mechanism is used for right material in mixing drum and the churn stirs, mixing drum top is equipped with the pan feeding mouth, the churn bottom is equipped with the discharge gate, the churn lateral wall is equipped with the water inlet.

Through adopting above-mentioned technical scheme, when carrying out concrete production, add through pan feeding mouth through each raw materials in the section of thick bamboo that mixes in advance, the material that will mix in the section of thick bamboo through rabbling mechanism preblends, make the material misce bene, the material that mixes through unloading mechanism control enters into the agitator through the intercommunication mouth and stirs, add water through the water inlet, premix the material through the section of thick bamboo that mixes in advance, shorten the churning time, and do not influence stirring and the ejection of compact in the agitator, the in-process of ejection of compact in the agitator, still can mix the material in the section of thick bamboo that mixes in the preblends, and then effectively improved the production efficiency of concrete.

Optionally, the discharging mechanism includes a discharging door and a driving assembly, the discharging door is located at the communication port at the top of the mixing drum, and the driving assembly is used for driving the discharging door to open or close the communication port.

Through adopting above-mentioned technical scheme, order about the baiting door through drive assembly and open or close the realization and open and close the intercommunication mouth, mix the material in the section of thick bamboo in advance and accomplish the back, make the material enter into the churn through opening the baiting door and stir through adding water, stir in the churn and accomplish the back, can directly carry out the ejection of compact through the discharge gate, because the intercommunication mouth has carried out the closure through the baiting door, and then do not influence the effect of mixing in advance to the material in the section of thick bamboo in advance at the in-process of ejection of compact, and then effectively improve the production efficiency of concrete.

Optionally, the unloading door includes two shutoff boards and axis of rotation, the axis of rotation level is located the intercommunication mouth middle part, two the tip of shutoff board all rotate connect in the axis of rotation, two the shutoff board is located respectively the both sides of axis of rotation.

Through adopting above-mentioned technical scheme, rotate to connect in the axis of rotation through setting up two shutoff boards, realize opening and closing the intercommunication mouth through rotating two shutoff boards, at the in-process of unloading, rotate the shutoff board, in the shutoff board of the interior material of mixing cylinder through both sides scatters to the churn, adds water through the water inlet at the in-process that scatters, further shortens the churning time, and then improves production efficiency.

Optionally, the drive assembly includes two-way screw rod, two back shafts, two sliders and driving motor, two-way screw rod horizontal rotation connect in the churn, and two-way screw rod is located under the intercommunication mouth, two-way screw rod's axial is perpendicular with the axial of axis of rotation, two slider threaded connection in on the two-way screw rod, the one end of back shaft articulate in on the slider, the other end articulate in one the one end of axis of rotation is kept away from to the closure plate, driving motor is used for ordering about two-way screw rod rotates.

Through adopting above-mentioned technical scheme, need make the intercommunication mouth open through rotating the shutoff board and make the material get into the churn in the time, order about two-way screw rod through driving motor and rotate, because slider and two-way screw rod threaded connection, two-way screw rod rotate and make two sliders or back of the body motion in opposite directions, the slider removes and orders about two back shafts and overturn, the back shaft upset orders about the shutoff board and revolutes the axis of rotation and rotate, and then realizes opening and closing of intercommunication mouth.

Optionally, the stirring mechanism includes a first stirring assembly and a second stirring assembly, the first stirring assembly is used for mixing and stirring the materials in the premixing cylinder, and the second stirring assembly is used for stirring the materials in the stirring cylinder.

Through adopting above-mentioned technical scheme, stir in to mixing drum through the first stirring subassembly that sets up, the second stirring subassembly stirs in to mixing drum for to the stirring in the mixing drum and the stirring mutually noninterference in the mixing drum, when needing the ejection of compact in the mixing drum, the second stirring subassembly stop work time, first stirring subassembly still can stir in the mixing drum, improves the continuity of concrete feeding, stirring and ejection of compact.

Optionally, the first stirring assembly comprises a first stirring shaft, stirring blades and a first motor, the first stirring shaft is horizontally and rotatably connected to the inside of the premixing barrel, the stirring blades are uniformly distributed in a circle of the first stirring shaft, and the first motor is used for driving the first stirring shaft to rotate.

Through adopting above-mentioned technical scheme, when needs stir the material in the section of thick bamboo of premixing, order about first (mixing) shaft through first motor and rotate, first (mixing) shaft drives stirring vane and rotates, mixes the stirring to the material in the section of thick bamboo of premixing for the material misce bene in the section of thick bamboo of premixing.

Optionally, first stirring subassembly includes second (mixing) shaft, puddler and second motor, second (mixing) shaft horizontal rotation connect in the churn, puddler evenly distributed is in the a week of second (mixing) shaft, the second motor is used for ordering about the second (mixing) shaft rotates.

Through adopting above-mentioned technical scheme, when needing to stir the concrete in the churn, order about the second (mixing) shaft through the second motor and rotate, the second (mixing) shaft drives the puddler and rotates, realizes mixing the effect to the concrete to the churn, makes the concrete in the churn mix evenly.

Optionally, the bottom of the stirring barrel is of a hemispherical structure, a scraper is arranged at the end of the stirring rod, and the scraper is abutted to the bottom wall of the stirring barrel.

Through adopting above-mentioned technical scheme, be hemispherical structure through setting up the churn bottom, when stirring in the churn, scrape the concrete of the adhesion of churn bottom through the scraper blade and get, and then realize the clearance effect to the churn inner wall.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the premixing cylinder and the stirring cylinder, the materials are premixed in the premixing cylinder, then the mixed materials enter the stirring cylinder through the blanking mechanism for stirring, and after the stirring in the stirring cylinder is finished, the materials can still be premixed in the premixing cylinder in the discharging process, so that the production efficiency of the concrete is effectively improved;

2. the feeding structure comprises the feeding door and the driving assembly, the feeding door is driven to be opened or closed by the driving assembly to open and close the communication port, so that the materials in the premixing barrel can be conveniently controlled to enter the stirring barrel, and the control is more convenient;

3. through setting up the churn bottom for hemispherical structure for the churn makes things convenient for the ejection of compact more through the discharge gate of bottom, reduces long-pending material in the churn, and sets up the scraper blade through the tip at the puddler, scrapes the clearance through the material of scraper blade to churn bottom adhesion.

Drawings

FIG. 1 is a schematic diagram of a concrete mixer according to an embodiment of the present disclosure.

FIG. 2 is a perspective cross-sectional view of a concrete mixer according to an embodiment of the present invention.

Reference numerals: 1. a premix barrel; 11. a communication port; 12. a feeding port; 2. a mixing drum; 21. a discharge port; 22. a water inlet; 3. a blanking mechanism; 31. a discharge door; 311. a plugging plate; 312. a rotating shaft; 32. a drive assembly; 321. a bidirectional screw; 322. a support shaft; 323. a slider; 324. a drive motor; 4. a stirring mechanism; 41. a first stirring assembly; 411. a first stirring shaft; 412. a stirring blade; 413. a first motor; 42. a second stirring assembly; 421. a second stirring shaft; 422. a stirring rod; 423. a second motor; 424. a scraper.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a concrete mixer. Referring to fig. 1 and 2, the mixer comprises a premixing cylinder 1, a mixing cylinder 2, a discharging mechanism 3 and a mixing mechanism 4, wherein the premixing cylinder 1 is welded at the top of the mixing cylinder 2, a communication port 11 is formed between the bottom of the premixing cylinder 1 and the mixing cylinder 2, the premixing cylinder 1 is communicated with the mixing cylinder 2 through the communication port 11, the discharging mechanism 3 is installed at the communication port 11, a feeding port 12 is formed at the top of the premixing cylinder 1, a discharging port 21 is formed at the bottom of the mixing cylinder 2, and a water inlet 22 is formed in the side wall of the mixing cylinder 2; the stirring mechanism 4 pre-mixes the materials in the pre-mixing barrel 1 to uniformly mix the materials, the mixed materials are controlled by the blanking mechanism 3 to enter the stirring barrel 2 through the communicating port 11, water is added through the water inlet 22 for stirring, and then the materials can be pre-mixed in the process of concrete stirring.

Referring to fig. 1 and 2, the blanking mechanism 3 is used for controlling the premixing barrel 1 to blank into the mixing barrel 2, the blanking mechanism 3 includes a blanking door 31 and a driving component 32, the blanking mechanism 3 is installed at the communication port 11 at the top of the mixing barrel 2, the driving component 32 is used for driving the blanking door 31 to open or close the communication port 11, and after the materials in the premixing barrel 1 are mixed, the materials enter the mixing barrel 2 by opening the blanking door 31. The blanking door 31 comprises two blocking plates 311 and a rotating shaft 312, the rotating shaft 312 is horizontally welded in the middle of the communicating port 11, the end parts of the two blocking plates 311 are all rotatably connected to the rotating shaft 312, the two blocking plates 311 are respectively positioned on two sides of the rotating shaft 312, and the communicating port 11 is opened and closed by rotating the two blocking plates 311, so that materials in the premixing barrel 1 are scattered into the stirring barrel 2 through the blocking plates 311 on the two sides.

Referring to fig. 1 and 2, the driving assembly 32 includes a bidirectional screw 321, two supporting shafts 322, two sliding blocks 323 and a driving motor 324, the bidirectional screw 321 is horizontally and rotatably connected to the top of the mixing drum 2, the bidirectional screw 321 is located right below the communicating opening 11, the axial direction of the bidirectional screw 321 is perpendicular to the axial direction of the rotating shaft 312, the two sliding blocks 323 are threadedly connected to the bidirectional screw 321, the two sliding blocks 323 are respectively located at two ends of the bidirectional screw 321, one end of the supporting shaft 322 is hinged to the sliding block 323, the other end is hinged to one end of one blocking plate 311 away from the rotating shaft 312, the axial direction of a hinge shaft at the end of the supporting shaft 322 is the same as the axial direction of the rotating shaft 312, the driving motor 324 is used for driving the bidirectional screw 321 to rotate, the driving motor 324 is mounted on the outer wall of the premixing drum 1 through the casing, and the output shaft is coaxially connected with the bidirectional screw 321; the two sliders 323 move towards or away from each other through the rotation of the bidirectional screw 321, the sliders 323 move to drive the two support shafts 322 to turn over, and the support shafts 322 turn over to drive the plugging plate 311 to rotate around the rotating shaft 312.

Referring to fig. 1 and 2, the stirring mechanism 4 is used for stirring materials in the premixing barrel 1 and the stirring barrel 2, the stirring mechanism 4 includes a first stirring component 41 and a second stirring component 42, the first stirring component 41 is used for mixing and stirring the materials in the premixing barrel 1, the first stirring component 41 includes a first stirring shaft 411, stirring blades 412 and a first motor 413, the first stirring shaft 411 is horizontally and rotatably connected in the premixing barrel 1, the stirring blades 412 are uniformly distributed in a circle of the first stirring shaft 411, the first motor is used for driving the first stirring shaft 411 to rotate, the first motor 413 is installed on the outer wall of the premixing barrel 1 through a casing, and an output shaft is coaxially connected with the first stirring shaft 411; the first stirring shaft 411 is driven to rotate by the first motor 413, and the first stirring shaft 411 drives the stirring blade 412 to rotate, so that the materials in the premixing barrel 1 are mixed and stirred.

Referring to fig. 1 and 2, the second stirring assembly 42 is used for stirring the inside of the stirring barrel. The first stirring assembly 41 comprises a second stirring shaft 421, a stirring rod 422 and a second motor 423, the second stirring shaft 421 is horizontally and rotatably connected in the stirring cylinder 2, the stirring rod 422 is uniformly distributed in a circle of the second stirring shaft 421, the second motor 423 is used for driving the second stirring shaft 421 to rotate, the second motor 423 is installed on the outer wall of the premixing cylinder 1 through a machine shell, and an output shaft is coaxially connected with the second stirring shaft 421; order about second (mixing) shaft 421 through second motor 423 and rotate, second (mixing) shaft 421 drives puddler 422 and rotates, realizes the stirring effect to concrete in churn 2, makes the concrete in the churn 2 mix evenly.

Referring to fig. 1 and 2, 2 bottoms of churn are hemispherical structure, and puddler 422 tip welding has scraper blade 424, and scraper blade 424 and 2 diapire butts of churn, when stirring in churn 2, drive scraper blade 424 through puddler 422 and overturn, scrape the concrete of the adhesion of 2 bottoms of churn at the in-process of scraper blade 424 upset and get, clear up 2 inner walls of churn.

The implementation principle of the concrete mixer in the embodiment of the application is as follows: in the concrete production process, firstly, materials are added into a premixing barrel 1 through a material inlet 12, a first stirring shaft 411 is driven to rotate through a first motor 413, the first stirring shaft 411 drives stirring blades 412 to rotate, the materials in the premixing barrel 1 are mixed and stirred, after stirring is completed, a bidirectional screw 321 is driven to rotate through a driving motor 324, two sliding blocks 323 move towards or away from each other, the sliding blocks 323 move to drive two supporting shafts 322 to turn over, the supporting shafts 322 turn over to drive the blocking plates 311 to rotate around the rotating shafts 312, so that the communication ports 11 are opened, the materials are scattered into the stirring barrel 2 through the blocking plates 311 on two sides, water is added through a water inlet 22 in the scattering process, a second stirring shaft 421 is driven to rotate through a second motor 423, the second stirring shaft 421 drives a stirring rod 422 to rotate, and the concrete in the stirring barrel 2 is stirred, after the concrete in the mixing drum 2 is mixed uniformly, the concrete is discharged through the discharge port 21.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A concrete mixer is characterized in that: including mixing drum (1), churn (2), unloading mechanism (3) and rabbling mechanism (4), mixing drum (1) is located in advance churn (2) top, mixing drum (1) bottom in advance with be equipped with intercommunication mouth (11) between churn (2), unloading mechanism (3) are located intercommunication mouth (11) department, unloading mechanism (3) are used for control mixing drum (1) unloading in to churn (2), rabbling mechanism (4) are used for right the material in mixing drum (1) and churn (2) stirs, mixing drum (1) top is equipped with pan feeding mouth (12), churn (2) bottom is equipped with discharge gate (21), churn (2) lateral wall is equipped with water inlet (22).

2. A concrete mixer according to claim 1, wherein: the blanking mechanism (3) comprises a blanking door (31) and a driving assembly (32), the blanking door (31) is arranged at the communication port (11) at the top of the mixing drum (2), and the driving assembly (32) is used for driving the blanking door (31) to open or close the communication port (11).

3. A concrete mixer according to claim 2, wherein: blanking door (31) include two shutoff boards (311) and axis of rotation (312), axis of rotation (312) level is located intercommunication mouth (11) middle part, two the tip of shutoff board (311) all rotate connect in on axis of rotation (312), two shutoff board (311) are located respectively the both sides of axis of rotation (312).

4. A concrete mixer according to claim 3, wherein: the driving assembly (32) comprises a bidirectional screw (321), two supporting shafts (322), two sliding blocks (323) and a driving motor (324), the bidirectional screw (321) is horizontally and rotatably connected into the stirring barrel (2), the bidirectional screw (321) is located under the communicating port (11), the axial direction of the bidirectional screw (321) is perpendicular to the axial direction of the rotating shaft (312), the two sliding blocks (323) are in threaded connection with the bidirectional screw (321), one end of each supporting shaft (322) is hinged to the corresponding sliding block (323), the other end of each supporting shaft is hinged to one end, away from the rotating shaft (312), of the blocking plate (311), and the driving motor (324) is used for driving the bidirectional screw (321) to rotate.

5. A concrete mixer according to claim 1, wherein: the stirring mechanism (4) comprises a first stirring assembly (41) and a second stirring assembly (42), the first stirring assembly (41) is used for mixing and stirring materials in the premixing cylinder (1), and the second stirring assembly (42) is used for stirring materials in the stirring cylinder (2).

6. A concrete mixer according to claim 5, wherein: the first stirring assembly (41) comprises a first stirring shaft (411), stirring blades (412) and a first motor (413), wherein the first stirring shaft (411) is horizontally and rotatably connected into the premixing barrel (1), the stirring blades (412) are uniformly distributed in one circle of the first stirring shaft (411), and the first motor (413) is used for driving the first stirring shaft (411) to rotate.

7. A concrete mixer according to claim 5, wherein: first stirring subassembly (41) include second (mixing) shaft (421), puddler (422) and second motor (423), second (mixing) shaft (421) horizontal rotation connect in churn (2), puddler (422) evenly distributed is in a week of second (mixing) shaft (421), second motor (423) are used for ordering about second (mixing) shaft (421) rotate.

8. A concrete mixer according to claim 7, wherein: the bottom of the mixing drum (2) is of a hemispherical structure, a scraper (424) is arranged at the end of the stirring rod (422), and the scraper (424) is abutted to the bottom wall of the mixing drum (2).

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