CN213137258U

CN213137258U - Concrete mixer

Info

Publication number: CN213137258U
Application number: CN202021497629.9U
Authority: CN
Inventors: 熊丁建; 费慨; 詹新建; 陆东东
Original assignee: Hangzhou Ruiding Building Materials Co Ltd
Current assignee: Hangzhou Ruiding Building Materials Co Ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-05-07
Anticipated expiration: 2030-07-25

Abstract

The utility model relates to a field of concrete processing equipment especially relates to a concrete mixer, including base and rigid coupling in the churn of base upside, the axis direction of churn is the same with the length direction of base, and the axis position in the churn is provided with the (mixing) shaft, the lateral wall rigid coupling of (mixing) shaft has stirring vane, both sides wall in the churn all is provided with circular-arc scraper blade, one side butt in the inboard of churn is kept away from each other to the scraper blade, the churn internal rotation is connected with the screw rod that axis direction and churn axis direction are the same, screw rod threaded connection in the scraper blade, this application has the partial concrete of getting rid of adhesion mixer lateral wall, promotes the effect of stirring efficiency.

Description

Concrete mixer

Technical Field

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

Background

Concrete is a generic term for engineering composites where aggregates are cemented into a whole by cementitious materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called common concrete, is widely applied to civil and architectural engineering and needs to be stirred by a concrete stirrer in the architectural engineering.

The relevant can refer to the chinese utility model patent that the grant bulletin number is CN205521953U, it discloses a high-efficient concrete mixer, including supporting the bed and the fixed mixer body that sets up on supporting the bed, mixer body includes agitator and mixing system, and the agitator includes charge door and agitator inner chamber, and the charge door communicates with each other with the agitator inner chamber, and is lou hopper-shaped setting at the top face of agitator, and the top face of agitator still is equipped with the filler, and the discharge gate has been seted up to its bottom face, and mixing system includes agitator motor, (mixing) shaft and stirring vane, and agitator motor installs in the motor room, and (mixing) shaft and agitator motor connect, and stirring vane sets up on the (mixing) shaft. The mixer is provided with the feed inlet and the water filling port, so that the admixture is fully mixed, the quality of concrete is improved, a better mixing effect is ensured, and the production efficiency is improved; through setting up the swash plate, the concrete of being convenient for is whole to be poured, avoids unnecessary extravagant, through the feeding lid on the feed inlet, reduces the pollution of dust when can making the water injection, simple structure, facilitate promotion.

In view of the above-mentioned related art, the inventor believes that there is a defect that the side wall of the mixing drum may adhere to a part of concrete during the operation of the concrete mixer, which affects the mixing efficiency.

SUMMERY OF THE UTILITY MODEL

In order to get rid of the concrete of adhesion at the adhesion of churn lateral wall, improve concrete mixing's efficiency, this application provides a concrete mixer.

The application provides a concrete mixer adopts following technical scheme:

the utility model provides a concrete mixer, includes base and rigid coupling in the churn of base upside, the axis direction of churn is the same with the length direction of base, and the axis position in the churn is provided with the (mixing) shaft, the lateral wall rigid coupling of (mixing) shaft has stirring vane, both sides wall in the churn all is provided with circular-arc scraper blade, one side butt in the inboard of churn is kept away from each other to the scraper blade, the churn internal rotation is connected with the screw rod that axis direction and churn axis direction are the same, screw rod threaded connection in the scraper blade.

Through adopting above-mentioned technical scheme, when the concrete mixer stirring, partial concrete can the adhesion along with the stirring on the lateral wall of churn, along with the screw rod rotates and to drive the scraper blade along the axis direction motion of churn, scrapes the concrete of churn lateral wall adhesion and continues to stir in the churn, and then can realize getting rid of the partial concrete of adhesion mixer lateral wall, promotes the effect of stirring efficiency.

Preferably, the churn upside is provided with feed arrangement, feed arrangement includes vertical rigid coupling in the fan and the inlet pipe of rigid coupling in fan upper end of closing of churn upside tip, closes the lower extreme and the churn intercommunication of fan and its upper end and inlet pipe intercommunication.

Through adopting above-mentioned technical scheme, during the stirring, can import the material of concrete to the churn through the inlet pipe, close the fan and can reduce the smoke and dust when the stirring and discharge from the pan feeding pipe.

Preferably, the vertical rigid coupling in the position that the base upside corresponds churn one end has a supporting bench, and the horizontal rigid coupling of supporting bench upside has driving motor, and driving motor's output shaft extends to in the churn and rigid coupling in the one end of (mixing) shaft.

Through adopting above-mentioned technical scheme, driving motor work can drive the (mixing) shaft and rotate, and then drives stirring vane and rotate.

Preferably, a discharging pipe is fixedly connected to one end, close to the discharging port, of the lower side of the mixing drum, the discharging pipe is communicated with the inside of the mixing drum, a cover plate is arranged on one side, away from the mixing drum, of the discharging pipe, and the cover plate is connected to the discharging pipe through bolts.

By adopting the technical scheme, after the stirring in the stirring cylinder is finished, the bolt is unscrewed to collect and use the stirred concrete.

Preferably, the cover plate is hinged to the discharge pipe.

Through adopting above-mentioned technical scheme, the apron is articulated can prevent to open the apron back, and the apron pops out under the impact of concrete, causes the injury to the workman of operation.

Preferably, the equal rigid coupling in the upper and lower both ends position that corresponds each scraper blade in the churn has the horizontal pole, the axis direction of horizontal pole is the same with the axis direction of churn, the both ends rigid coupling of horizontal pole in the both ends of churn, the corresponding scraper blade is all worn to locate by the horizontal pole.

Through adopting above-mentioned technical scheme, the horizontal pole can play the guide effect to the axis direction motion of scraper blade along the churn, makes the scraper blade keep away from one side each other and butt and churn inside wall all the time.

Preferably, the upper side of the support table is fixedly connected with a servo motor corresponding to the two screws, and an output shaft of the servo motor is fixedly connected with the screws.

Through adopting above-mentioned technical scheme, servo motor during operation can drive the screw rod reciprocating rotation, and then drives the scraper blade and removes the concrete of scraping the adhesion on the churn lateral wall along the reciprocal slip of the axis direction of churn.

Preferably, the lower end of the mixing drum is fixedly connected with a base, and the length direction of the base is the same as the axial direction of the mixing drum.

Through adopting above-mentioned technical scheme, the base can support the churn and promote the height of the discharging pipe of churn, can be suitable for more material collecting device when making the churn ejection of compact.

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

1. when the concrete mixer is used for mixing, part of concrete can adhere to the side wall of the mixing drum along with mixing, the scraper can be driven to move along the axial direction of the mixing drum along with the rotation of the screw rod, the concrete adhered to the side wall of the mixing drum is scraped into the mixing drum to be continuously mixed, and then the part of concrete adhered to the side wall of the mixer can be removed, and the mixing efficiency is improved;

2. during the stirring, can be through the material input to the churn of inlet pipe with the concrete, close the fan and can reduce the smoke and dust when the stirring and discharge from the discharge gate.

Drawings

FIG. 1 is a schematic view of the construction of a concrete mixer.

FIG. 2 is a schematic cross-sectional view of a concrete mixer embodying a screed.

FIG. 3 is a schematic cross-sectional view of a concrete mixer embodying mixing blades.

FIG. 4 is a schematic view of the support table.

Description of reference numerals: 1. a base; 2. a mixing drum; 21. a discharge pipe; 211. a cover plate; 22. a stirring shaft; 221. a stirring blade; 23. a squeegee; 24. a cross bar; 25. a screw; 3. a feeding device; 31. shutting off the fan; 32. a feed pipe; 4. a support table; 41. a drive motor; 42. a servo motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a concrete mixer. Referring to fig. 1 and 2, the concrete mixer includes base 1 and rigid coupling in the churn 2 of base 1 upside, the axis direction of churn 2 is the same with base 1's length direction, 2 upsides of churn are provided with feed arrangement 3, feed arrangement 3 includes vertical rigid coupling in the shut-down fan 31 of 2 upside tip of churn and the inlet pipe 32 of rigid coupling in shut-down fan 31 upper end, the upper end of shut-down fan 31 communicates with the lower extreme of inlet pipe 32, communicate in the lower extreme of shut-down fan 31 and the churn 2, before the concrete mixer works, add the required material of concrete through inlet pipe 32, shut-down fan 31 can reduce the smoke and dust that the concrete mixer produced at the during operation and discharge from inlet pipe 32.

One end downside rigid coupling that churn 2 is close to inlet pipe 32 has a discharging pipe 21, discharging pipe 21 keeps away from that a churn one end is articulated to have an apron 211, apron 211 bolted connection is in discharging pipe 21, discharging pipe 21 is close to 2 one ends of churn and the inside intercommunication of churn 2, concrete mixer is at the during operation, seals discharging pipe 21 through apron 211, when the stirring finishes need take out the concrete, open apron 211, discharge the concrete and collect or use.

Referring to fig. 2 and 3, a stirring shaft 22 is disposed in the stirring cylinder 2, an axial direction of the stirring shaft 22 and an axial direction of the stirring cylinder 2 are in the same straight line, a plurality of stirring blades 221 are fixedly connected to a circumferential surface of the stirring shaft 22, the plurality of stirring blades 221 are uniformly arranged along a circumferential direction of the stirring shaft, a length direction of the stirring blades 221 is the same as the axial direction of the stirring shaft 22, one end of the stirring shaft 22, which is far away from the discharging pipe 21, extends out of the stirring cylinder 2, a supporting table 4 is fixedly connected to a position, which is on an upper side of the base 1 and corresponds to one end of the stirring cylinder 2, which is far away from the discharging pipe 21, a length direction of the supporting table 4 is the same as a width direction of the base 1, a driving motor 41 is disposed at a position, which corresponds to the stirring shaft 22 and extends out of the, the output shaft of the driving motor 41 rotates to drive the stirring shaft 22 to rotate, and further drives the stirring blades 221 to stir the concrete in the stirring cylinder 2.

Both sides all are provided with convex scraper blade 23 in churn 2, the clearance distance of two scraper blades 23 upper end is greater than the size of closing fan 31 and churn 2 position, one side butt that two scraper blades 23 kept away from each other is in the inner wall of churn 2, the equal horizontal rigid coupling in both ends position that corresponds each scraper blade 23 in churn 2 has horizontal pole 24, the axis direction of horizontal pole 24 is the same with the axis direction of churn 2, the tip of scraper blade 23 is worn to establish by horizontal pole 24, scraper blade 23 can slide along the axial direction of horizontal pole 24, make scraper blade 23 keep away from one side each other and can scrape the concrete of adhesion at churn 2 inner wall.

Referring to fig. 4, a screw 25 is connected to the inner rotation of the mixing drum 2, the axial direction of the screw 25 is the same as the axial direction of the mixing drum 2, the screw 25 penetrates through the scraper 23, the screw 25 is connected to the scraper 23 in a threaded manner, one end of the screw 25 close to the support table 4 extends to the outer side of the mixing drum 2, servo motors 42 are arranged at two ends of the upper surface of the support table 4 corresponding to the positions of the screws 25, the axial lines of the servo motors 42 and the axial lines of the screw 25 are in the same straight line, the output shafts of the servo motors 42 are fixedly connected to one end of the screw 25, when the servo motors 42 work, the output shafts of the servo motors 42 rotate in a reciprocating manner, so as to drive the screw 25 to rotate in a reciprocating manner, and further drive.

The implementation principle of the concrete mixer in the embodiment of the application is as follows: when the concrete mixer works, the raw materials mixed by the concrete mixer are input into the mixing drum 2 through the feeding pipe 32, the driving motor 41 works, the stirring shaft 22 and the stirring blades 221 are driven to rotate, the concrete in the mixing drum 2 is mixed, in the mixing process, part of the concrete adheres to the side wall of the mixing drum 2, the servo motor 42 works, the scraper blade 23 is driven to reciprocate, the concrete on the side wall is scraped into the mixing drum 2 to be mixed, when the mixing drum 2 finishes mixing, the bolt at the cover plate 211 of the discharging pipe 21 is unscrewed, and the mixed concrete is discharged through the discharging pipe 21 for use or collection.

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

1. The utility model provides a concrete mixer, includes base (1) and rigid coupling in churn (2) of base (1) upside, the axis direction of churn (2) is the same with the length direction of base (1), and the axis position in churn (2) is provided with (mixing) shaft (22), the lateral wall rigid coupling of (mixing) shaft (22) has stirring vane (221), its characterized in that: both sides wall in churn (2) all is provided with circular-arc scraper blade (23), scraper blade (23) keep away from one side each other and abut in the inboard of churn (2), churn (2) internal rotation is connected with axis direction and churn (2) the same screw rod (25) of axis direction, screw rod (25) threaded connection in scraper blade (23).

2. A concrete mixer according to claim 1, wherein: mixing drum (2) upside is provided with feed arrangement (3), feed arrangement (3) include vertical rigid coupling in air shutoff machine (31) and the rigid coupling of mixing drum (2) upside tip in inlet pipe (32) of air shutoff machine (31) upper end, the lower extreme and mixing drum (2) intercommunication of air shutoff machine (31) and its upper end and inlet pipe (32) intercommunication.

3. A concrete mixer according to claim 2, wherein: the vertical rigid coupling in position that base (1) upside corresponds churn (2) one end has brace table (4), and the horizontal rigid coupling in brace table (4) upside has driving motor (41), and the output shaft of driving motor (41) extends to in churn (2) and rigid coupling in the one end of (mixing) shaft (22).

4. A concrete mixer according to claim 3, wherein: a discharging pipe (21) is fixedly connected to one end, close to a discharging port, of the lower side of the mixing drum (2), the discharging pipe (21) is communicated with the mixing drum (2), a cover plate (211) is arranged on one side, far away from the mixing drum (2), of the discharging pipe (21), and the cover plate (211) is connected with the discharging pipe (21) through bolts.

5. A concrete mixer according to claim 4, wherein: the cover plate (211) is hinged to the discharge pipe (21).

6. A concrete mixer according to claim 5, wherein: horizontal pole (24) are equipped with to the equal rigid coupling in the upper and lower both ends position that corresponds each scraper blade (23) in churn (2), the axis direction of horizontal pole (24) is the same with the axis direction of churn (2), the both ends rigid coupling of horizontal pole (24) in the both ends of churn (2), corresponding scraper blade (23) are all worn to locate by horizontal pole (24).

7. A concrete mixer according to claim 6, wherein: the upper side of the supporting table (4) is fixedly connected with a servo motor (42) corresponding to the two screw rods (25), and an output shaft of the servo motor (42) is fixedly connected with the screw rods (25).

8. A concrete mixer according to claim 7, wherein: the lower end of the mixing drum (2) is fixedly connected with a base (1) with the length direction being the same as the axial direction of the mixing drum (2).