CN218365624U - Agitating unit is used in recycled concrete production - Google Patents

Abstract

The utility model relates to a agitating unit for recycled concrete production relates to the technical field of mixer, and it includes the frame, locates the agitator in the frame and rotates the puddler that sets up in the agitator, be equipped with feed inlet and discharge gate on the agitator, be equipped with multiunit stirring vane on the puddler, multiunit stirring vane is laid along the length direction interval of puddler, still sets up the pole of scraping in the agitator including rotating, scrape the pole with the interior lateral wall of agitator laminates mutually, just scrape the rotation direction of pole with the rotation opposite direction of puddler, still be equipped with on the agitator and be used for to rotate driven drive assembly to the puddler and scrape the pole. This application has the effect that reduces the material and remain at the agitator inner wall, promotes recycled concrete mixing's homogeneity.

Description

A mixing device for recycled concrete production

technical field

The present application relates to the technical field of mixers, in particular to a mixing device for recycled concrete production.

Background technique

Recycled concrete refers to the use of waste concrete blocks as recycled aggregates after crushing, cleaning, and grading, and is mixed with grading in a certain proportion to partially or completely replace natural aggregates such as sand and gravel (mainly coarse aggregates), and then add cement , water, etc.; since the recycled aggregate includes a small amount of stones separated from the mortar, some of the stones wrapped in the mortar, and a small amount of cement mortar that is independently formed into blocks, because there are many types of aggregates, in order to ensure the quality of the recycled concrete Consistent performance requires a good mix of recycled and natural aggregates.

Existing mixers usually use a single mixing blade or stirring rod to mix the concrete in the mixing tank. During mixing, the material will remain on the inner wall of the mixing tank, so that the recycled aggregate and natural aggregate are not fully mixed, and it is easy to Inhomogeneous concrete mixing occurs, which affects the performance of recycled concrete.

Utility model content

In order to reduce the residue of materials on the inner wall of the mixing tank and improve the mixing uniformity of recycled concrete, the application provides a mixing device for recycled concrete production.

A mixing device for recycled concrete production provided by the application adopts the following technical scheme:

A mixing device for recycled concrete production, comprising a frame, a mixing bucket mounted on the frame, and a stirring rod rotatably arranged in the mixing bucket, the mixing bucket is provided with a feed port and a discharge port, and the stirring There are multiple sets of stirring blades on the rod, and the multiple sets of stirring blades are arranged at intervals along the length direction of the stirring rod. It also includes a scraping rod that is rotatably arranged in the mixing barrel, and the scraping rod is attached to the inner wall of the mixing barrel. And the rotation direction of the scraping rod is opposite to the rotation direction of the stirring rod, and a driving assembly for rotating and driving the stirring rod and the scraping rod is provided on the mixing bucket.

By adopting the above technical scheme, when mixing the concrete, technicians pour the raw materials into the mixing barrel through the feeding port, and drive the stirring rod and the stirring blades on the stirring rod to rotate through the driving assembly, so as to stir and mix the raw materials evenly, and at the same time The driving component drives the scraper bar to scrape against the inner wall of the mixing tank, reducing the residue of raw materials on the inner wall of the mixing tank, so that the aggregate in the raw material is fully mixed, so that the concrete is evenly mixed, so that the performance of the concrete is consistent.

Optionally, one end of the stirring rod is arranged through the mixing barrel, and the driving assembly includes a driving motor for driving the stirring rod to rotate, a driving wheel arranged at the output end of the driving motor, and a driven wheel coaxially arranged on the stirring rod , a belt is drive-connected between the driving wheel and the driven wheel.

By adopting the above technical scheme, when the stirring rod needs to be driven to rotate, the driving motor works, the output end of the driving motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the belt, and the driven wheel drives the stirring rod to rotate, thereby driving multiple sets of stirring blades Turn to mix the concrete evenly.

Optionally, a moving member for synchronously rotating the scraping rod and the stirring rod is also provided in the mixing bucket.

By adopting the above-mentioned technical scheme, when the driving motor drives the stirring rod to rotate, the co-moving part makes the scraping rod stick to the inner wall of the mixing tank and rotate synchronously, so that the mixing of the concrete and the scraping of the residual material on the inner wall of the mixing tank are carried out synchronously, without setting Additional power source, saving energy.

Optionally, the co-moving member includes a driving gear arranged at the output end of the drive motor and a driven gear arranged coaxially on the stirring rod, the driving gear meshes with the driven gear, and the driven gear meshes with the driven gear. The scraper bars are connected.

By adopting the above technical scheme, when the driving motor is working, the output end of the driving motor rotates, and while the driving wheel rotates through the driven wheel driven by the belt, the driving gear rotates, driving the driven gear meshed with the driving gear to rotate, thereby driving the scraper bar Fitting the mixing barrel to rotate, because the driving wheel and the driving gear rotate in the same direction, and the driven wheel and the driven gear rotate in the opposite direction, so that the rotation direction of the scraping rod and the stirring rod is opposite, so that when the scraping rod and the stirring rod rotate, a Two mixing bodies with different diameters make the concrete mixing more fully.

Optionally, multiple sets of mixing blades are provided on the side of the scraper bar away from the inner wall of the mixing tank, and multiple sets of mixing blades are arranged at intervals along the height direction of the mixing tank.

By adopting the above technical scheme, when the scraper sticks to the inner wall of the mixing bucket and scrapes, the multiple sets of mixing blades additionally arranged on the scraper rotate to form an additional rotating body to stir the concrete. Cooperate to improve the mixing efficiency of concrete.

Optionally, multiple sets of homogenizing blades and multiple sets of stirring blades are alternately arranged.

By adopting the above technical scheme, the mixing blades and the mixing blades are arranged alternately. When the mixing blades and the mixing blades rotate in opposite directions, the interlaced mixing blades and the mixing blades form an interlaced rotating body, so that the concrete is more fully stirred. , so as to improve the mixing efficiency of concrete.

Optionally, a water inlet pipe is provided inside the mixing bucket, and the water inlet pipe is arranged along the perimeter direction of the mixing bucket, and a plurality of water spray ports are opened on the water inlet pipe, and the water spray ports face the mixing bucket Arranged inside, the water inlet pipe communicates with the water source.

By adopting the above technical scheme, when stirring, water is injected into the mixing tank through the water inlet pipe arranged along the perimeter of the mixing tank, and the water is evenly sprayed into the mixing tank from the water spray port, so as to reduce the accumulation of water flow on one side of the mixing tank The resulting agglomeration of raw materials on one side of the mixing tank increases the contact area between the water flow and the raw materials, thereby facilitating the rotation of the stirring rod, thereby improving the mixing efficiency.

Optionally, the water inlet pipe is provided with a solenoid valve and a flow meter, and the flow meter is electrically connected to the solenoid valve.

By adopting the above-mentioned technical scheme, the flowmeter and the solenoid valve are installed, and before concrete mixing, technicians can more accurately control the amount of water added during the production of concrete through the reading of the flowmeter, thereby reducing the decrease in concrete performance caused by inaccurate water volume. The problem.

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

1. Through the set stirring rod, stirring blade and scraping rod, when mixing the concrete, the scraping rod and the stirring blade cooperate to stir the concrete, and at the same time scrape the inner wall of the mixing tank to reduce the residue of raw materials on the inner wall of the mixing tank ;

2. Through the set co-moving parts, when the driving motor drives the stirring rod to rotate, the scraper rod is driven to rotate at the same time, so that the mixing of concrete and the scraping of the inner wall of the mixing tank can be realized without setting up an additional power source, saving energy;

3. Through the multiple sets of mixing blades installed on the scraper, the mixing blades and the mixing blades rotate synchronously, the concrete is stirred, and the mixing efficiency of the concrete is improved, and the mixing blades and the mixing blades are arranged alternately. The mixing bodies formed by the rotation shear each other, so that the concrete is mixed more fully, and the mixing efficiency of the concrete is further improved.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of recycled concrete production stirring device in the embodiment of the present application;

Fig. 2 is a schematic cross-sectional structure diagram along line A-A in Fig. 1;

Fig. 3 is a partially enlarged schematic diagram of part B in Fig. 2;

Fig. 4 is a schematic diagram of the connection structure of a stirring rod, a stirring blade, and a stirring blade;

Fig. 5 is a schematic diagram of the connection structure between the water inlet pipe and the mixing tank.

Reference signs: 1, frame; 11, feeding port; 2, mixing barrel; 21, feeding port; 22, discharging port; 23, stirring rod; 24, stirring blade; 25, feeding hopper; 3, Scraper bar; 31. Stirring blade; 32. Connecting rod; 4. Driving assembly; 41. Driving motor; 42. Driving wheel; 43. Driven wheel; 44. Belt; , driven gear; 5, water inlet pipe; 51, water spray port; 52, flow meter; 53, solenoid valve; 54, water injection pipe.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-5.

The embodiment of the present application discloses a stirring device for the production of recycled concrete. With reference to Fig. 1 and Fig. 2, a kind of mixing device for recycled concrete production comprises frame 1 fixed on the ground, the mixing tank 2 fixed on the frame 1, the stirring rod 23 that is rotatably arranged in the mixing tank 2 and the rotation setting The scraper 3 in the mixing tank 2; the upper end of the mixing tank 2 is provided with a feed port 21 and the bottom of the mixing tank 2 is provided with a discharge port 22, and the mixing tank 2 is fixedly connected with the feed port 21. 21 is connected to the feeding hopper 25, the frame 1 is provided with a discharge port 11, and the mixing tank 2 is connected with a discharge pipe that runs through the frame 1 discharge port 11 at the discharge port 22; the layout direction of the stirring rod 23 The axis of rotation is consistent with the height direction of the mixing tank 2, and the stirring rod 23 is fixedly connected with multiple sets of stirring blades 24, and the multiple sets of stirring blades 24 are evenly arranged along the length direction of the stirring rod 23; the laying direction of the scraping rod 3 The axis of rotation is consistent with the height direction of the mixing tank 2, and the scraper 3 is laid on the wall of the mixing tank 2, and the mixing tank 2 is also provided with a drive assembly 4 for driving the rotation of the scraper 3 and the stirring rod 23; When mixing the concrete, technicians pour the raw materials into the mixing tank 2 through the feed port 21, drive the stirring rod 23 and the stirring blade 24 on the stirring rod 23 through the driving assembly 4 to rotate, and stir and mix the raw materials evenly. The driving assembly 4 drives the scraper rod 3 to scrape against the inner wall of the mixing tank 2, reducing the residue of raw materials on the inner wall of the mixing tank 2, so that the aggregate in the raw material is fully mixed, so that the concrete is evenly mixed, so that the performance of the concrete is consistent .

Referring to Fig. 2 and Fig. 3, stirring rod 23 is coaxially arranged in mixing tank 2, and one end of stirring rod 23 runs through the upper surface of mixing tank 2, and drive assembly 4 comprises driving motor 41, and driving motor 41 is fixed on mixing tank 2 The upper surface of the upper surface of the drive motor 41 is coaxially fixedly connected with a driving wheel 42, and one end of the mixing tank running through the mixing barrel 2 is coaxially fixedly connected with a driven wheel 43, and the driving wheel 42 and the driven wheel 43 are connected by transmission. There is a belt 44; when the driving motor 41 works, the output end of the driving motor 41 drives the driving wheel 42 to rotate, the driving wheel 42 drives the driven wheel 43 to rotate through the belt 44, and the driven wheel 43 drives the stirring rod 23 to rotate, thereby driving multiple groups of stirring blades 24 rotations to mix the concrete evenly.

Referring to Fig. 2 and Fig. 3, there are two groups of scraper bars 3 and two groups of scraper bars 3 are arranged symmetrically along the rotation axis of the stirring bar 23, and the upper end of the scraper bar 3 is fixedly connected with a connecting rod 32, and the connecting rod 32 is connected with the two groups of scraper bars. 3 is U-shaped, the middle part of the connecting rod 32 is fixedly connected with a connecting sleeve, the stirring rod 23 runs through the middle part of the connecting sleeve and is rotatably connected with the connecting sleeve, and the rotation axis of the connecting sleeve is consistent with the length direction of the stirring rod 23.

Referring to FIG. 3 , in order to facilitate the driving of the scraper 3 , the mixing bucket 2 is provided with a moving part 45 , the moving part 45 includes a driving gear 451 and a driven gear 452 , and the connecting sleeve runs through and protrudes from the upper surface of the mixing bucket 2 Layout, the driving gear 451 is coaxially fixed on the output end of the driving motor 41 and is located directly below the driving wheel 42, the driven gear 452 is coaxially fixed on the connecting sleeve, and the driving gear 451 is meshed with the driven gear 452; When the driving motor 41 works, the output end of the driving motor 41 rotates. When the driving wheel 42 drives the driven wheel 43 to rotate through the belt 44, the driving gear 451 rotates, driving the driven gear 452 meshed with the driving gear 451 to rotate, thereby driving the scraper. The rod 3 is attached to the mixing bucket 2 and rotates. Since the driving wheel 42 and the driving gear 451 rotate in the same direction, the driven wheel 43 and the driven gear 452 rotate in the opposite direction, so that the scraping rod 3 and the stirring rod 23 rotate in the opposite direction. When the scraping rod 3 and the stirring rod 23 rotate, two stirring bodies with different diameters are formed, so that the concrete can be stirred more fully.

Referring to Fig. 4, there are multiple groups of stirring blades 31 fixedly connected to the scraping rod 3, and the multiple groups of stirring blades 31 are arranged evenly at intervals along the length direction of the scraping rod 3; A plurality of sets of mixing blades 31 additionally arranged on the scraper bar 3 rotate to form an additional rotating body to stir the concrete, and the mixing efficiency of the concrete is improved through the cooperation of the mixing blades 24 and the mixing blades 31 .

Continuing to refer to Fig. 4, multiple groups of stirring blades 31 and multiple groups of stirring blades 24 are arranged alternately. In the present embodiment, the stirring blades 24 are provided with three groups, and the stirring blades 31 are provided with two groups. In other embodiments, technicians The number of groups of the stirring blades 24 and the stirring blades 31 can be adjusted according to the height of the mixing tank 2, and the arrangement is consistent with the present embodiment; It is crossed with the inclination direction of the stirring blades 31; when stirring, the stirring blades 31 and the stirring blades 24 are alternately arranged, and when the stirring blades 31 and the stirring blades 24 rotate in the opposite direction, the inclined and staggered stirring blades The blades 31 and the mixing blades 24 form interlaced rotating bodies to enhance the movement of the concrete in the mixing bucket 2 , so that the concrete is mixed more uniformly and the mixing efficiency of the concrete is improved.

With reference to Fig. 5, the water inlet pipe 5 is fixedly connected with the water inlet pipe 5 near the feeding port 21 in the mixing bucket 2, and the water inlet pipe 5 is in the shape of a ring, and the water inlet pipe 5 is arranged along the circumference direction of the mixing bucket 2, and the water inlet pipe 5 is provided with A plurality of water spray holes, the water spray holes are arranged towards the inside of the mixing tank 2, one end of the water inlet pipe 5 runs through the side wall of the mixing tank 2 and is connected with a water injection pipe 54, the water injection pipe 54 is fixedly connected with a flow meter 52, and the water injection pipe 54 There is also a solenoid valve 53 on the top, and the solenoid valve 53 is electrically connected to the flow meter 52; before the concrete is mixed, the technical personnel can more accurately control the amount of water added during the production of concrete through the reading of the flow meter 52, thereby reducing the amount of water due to inaccurate water flow. The problem of reduced concrete performance; when adding water, the water is evenly sprayed from the water spray port 51 into the mixing tank 2, so as to reduce the agglomeration of raw materials on one side of the mixing tank 2 caused by the water flow gathering on one side of the mixing tank 2 , to increase the contact area between the water flow and the raw material, thereby facilitating the rotation of the stirring rod 23 .

The implementation principle of a mixing device for recycled concrete production in the embodiment of the present application is as follows: when mixing concrete, the technician pours the raw materials into the mixing bucket 2 through the feed hopper 25, and pours them into the mixing bucket 2 through the water inlet pipe 5. Add an appropriate amount of water, and then the technician drives the stirring shaft to rotate through the driving motor 41, and the stirring blade 24 on the stirring shaft rotates to stir the concrete; at the same time, the scraper rod 3 fits the inner wall of the mixing tank 2 and scrapes and rotates, and the inner wall of the mixing tank 2 is scraped and rotated. The remaining raw materials are scraped into the mixing barrel 2, and when the scraper 3 is scraped against the inner wall of the mixing barrel 2, multiple sets of mixing blades 31 additionally arranged on the scraper 3 rotate to form an additional rotating body to stir the concrete , through the cooperation of the mixing blade 24 and the mixing blade 31, the mixing efficiency of concrete is improved.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (8)

1. A stirring device for recycled concrete production, comprising a frame (1), a mixing barrel (2) mounted on the frame (1) and a stirring rod (23) rotatingly arranged in the mixing barrel (2), the The mixing barrel (2) is provided with a material inlet (21) and a material outlet (22), and the stirring rod (23) is provided with multiple sets of stirring blades (24), and multiple sets of stirring blades (24) are stirred along the The length direction of the rods (23) is arranged at intervals, and it is characterized in that it also includes a scraper (3) rotatably arranged in the mixing bucket (2), the scraper (3) and the inner wall of the mixing bucket (2) and the rotating direction of the scraping rod (3) is opposite to that of the stirring rod (23), and the mixing bucket (2) is also provided with a function for adjusting the stirring rod (23) and the scraping rod ( 3) Drive assembly (4) for rotational drive. 2. A stirring device for recycled concrete production according to claim 1, characterized in that: one end of the stirring rod (23) is laid through the mixing barrel (2), and the driving assembly (4) includes a driving The driving motor (41) rotating the stirring rod (23), the driving wheel (42) arranged at the output end of the driving motor (41) and the driven wheel (43) coaxially arranged on the stirring rod (23), the driving wheel A belt (44) is drive-connected between (42) and the driven wheel (43). 3. A stirring device for recycled concrete production according to claim 2, characterized in that: the mixing barrel (2) is also provided with a synchronous rotating shaft for synchronously rotating the scraper (3) and the stirring rod (23). moving parts (45). 4. A mixing device for recycled concrete production according to claim 3, characterized in that: the co-moving member (45) includes a driving gear (451) arranged at the output end of the driving motor (41) and a coaxial rotating device The driven gear (452) on the stirring rod (23), the driving gear (451) is meshed with the driven gear (452), and the driven gear (452) is connected with the scraping rod (3) connect. 5. A mixing device for recycled concrete production according to claim 4, characterized in that: the side of the scraper (3) away from the inner wall of the mixing tank (2) is provided with multiple sets of mixing blades (31) , multiple sets of mixing blades (31) are arranged at intervals along the height direction of the mixing tank (2). 6 . The mixing device for recycled concrete production according to claim 5 , characterized in that multiple sets of mixing blades ( 31 ) and multiple sets of mixing blades ( 24 ) are arranged alternately. 7. A mixing device for recycled concrete production according to claim 1, characterized in that: the mixing bucket (2) is provided with a water inlet pipe (5), and the water inlet pipe (5) is along the (2) is arranged in the circumferential direction, and the water inlet pipe (5) is provided with a plurality of water nozzles (51), and the water nozzles (51) are arranged toward the inside of the mixing tank (2), and the water inlet pipe ( 5) Connect with water source. 8. A mixing device for recycled concrete production according to claim 7, characterized in that: the water inlet pipe (5) is provided with a solenoid valve (53) and a flow meter (52), and the flow meter (52 ) is electrically connected with the solenoid valve (53).

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