CN220179713U - Concrete mixer - Google Patents

Abstract

The utility model discloses a concrete mixer, relates to the technical field of mixers, and aims to solve the problems of low concrete mixing efficiency and overlong time required for completing mixing, and the technical scheme is as follows: the stirring device comprises a bottom frame, a stirring barrel is rotationally connected onto the bottom frame, a gear ring is fixedly connected onto the end face of the stirring barrel, a stirring mechanism is arranged in the stirring barrel, a motor is fixedly connected onto the bottom frame, the output end of the motor is fixedly connected with a driving gear for driving the stirring mechanism to rotate, and the driving gear is meshed with a driven gear which is rotationally connected onto the frame and meshed with the gear ring. The stirring device can enable the stirring barrel and the stirring mechanism to rotate simultaneously in opposite rotation directions, and compared with the existing single-purpose stirring mechanism for stirring materials, the stirring efficiency is higher, the time for stirring can be further reduced, and the production cost is saved.

Description

Concrete mixer

Technical Field

The utility model relates to the technical field of mixers, in particular to a concrete mixer.

Background

The concrete mixer is a machine for mixing cement, gravel aggregate and water and stirring the mixture into a concrete mixture, and generally comprises a mixing drum and a mixing mechanism arranged in the mixing drum, wherein the mixing mechanism is driven by a motor to rotate in the mixing drum to mix materials.

But the stirring is mostly carried out through the rotation of the stirring shaft to the existing stirrer, so that the stirring time required for achieving the stirring full effect is long, and the processing cost of enterprises is increased.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

The object of the present utility model is to provide a concrete mixer in order to solve the above-mentioned problems.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a concrete mixer, includes the chassis, six footings of chassis fixedly connected with, rotate on the chassis and be connected with the agitator, the terminal surface fixedly connected with ring gear of agitator, be provided with rabbling mechanism in the agitator, fixedly connected with motor on the chassis, the output fixedly connected with of motor is used for driving rabbling mechanism pivoted driving gear, the driving gear meshing have rotate connect in the chassis and with ring gear engaged with driven gear.

Through adopting above-mentioned technical scheme, drive the driving gear through the motor and rotate to drive rabbling mechanism and rotate, reach stirring effect, the rotation of driving gear can drive driven gear simultaneously and rotate, driven gear drives the ring gear again and rotates, thereby make the agitator rotate, and the agitator rotation direction is opposite with rabbling mechanism rotation direction, through the opposite rotation of rabbling mechanism and agitator, compare in current single rabbling mechanism to stir the material, the stirring efficiency of this mode is higher, can further reduce the time of required stirring, practice thrift manufacturing cost.

The utility model is further provided with: the diameter of the driving gear is 1/2 of the diameter of the driven gear.

Through adopting above-mentioned technical scheme, because the diameter of driving gear is less than driven gear's diameter, so the rotational speed of driving gear is greater than driven gear rotational speed, and the ring gear diameter is greater than driving gear diameter far away, so the rotational speed of driving gear is greater than the ring gear rotational speed far away, and rabbling mechanism rotational speed is greater than the agitator rotational speed promptly, through the rotational speed difference, can stir more fully more fast, makes the material mix more evenly, can improve work efficiency greatly.

The utility model is further provided with: the stirring mechanism comprises a stirring shaft which is rotationally connected with the stirring barrel, the stirring shaft is fixedly connected with stirring blades, and one end of the stirring shaft penetrates out of the stirring barrel and is fixedly connected with the driving gear.

Through adopting above-mentioned technical scheme, owing to driving gear and (mixing) shaft fixed connection, so can drive the (mixing) shaft and rotate when driving gear rotates, and then drive the stirring leaf and rotate, realize the mixing stirring to the inside material of agitator.

The utility model is further provided with: the stirring blade is spiral, and the radius length of the stirring blade is 1/2-2/3 of the radius of the cross section of the stirring barrel.

Through adopting above-mentioned technical scheme, because the stirring leaf is the heliciform, so when the stirring leaf rotates, can drive the concrete and follow the stirring leaf up-and-down motion for the material forms certain flow state, improves stirring uniformity, simultaneously because design the radius length of stirring leaf, makes the stirring leaf have better stirring effect, and then can fully stir the concrete.

The utility model is further provided with: the stirring shaft is fixedly connected with a scraping ring which is contacted with the inner wall of the stirring barrel, and the scraping ring is fixedly connected with a convex rod.

Through adopting above-mentioned technical scheme, through the rotation drive scraping ring synchronous rotation of (mixing) shaft, and then can scrape down the concrete that adheres to on the agitator, scrape the protruding pole on the ring simultaneously and can cooperate with the stirring leaf, further stir the concrete.

The utility model is further provided with: the chassis rotates and is connected with annular base, just be provided with the ball between annular base and the chassis.

Through adopting above-mentioned technical scheme, annular base can play the supporting role to the agitator, and annular base meets with the agitator simultaneously, and can rotate along with the rotation of agitator, and the ball can reduce annular base pivoted frictional force, makes annular base rotate more smooth.

The utility model is further provided with: the bottom surface of annular base gomphosis has the ball and with ball roll connection, be provided with on the chassis with ball rolling fit's spout.

Through adopting above-mentioned technical scheme, through embedding annular base with the ball, and then can prescribe a limit to the ball position, guarantee each ball not interfere each other, stability when increasing annular base roll, simultaneously because the ball slides in the spout, and then can prescribe a limit to the radial of ball, guarantee its stable roll.

In summary, the utility model has the following beneficial effects:

the output through the motor drives the driving gear and rotates to drive rabbling mechanism and rotate, reach the stirring effect, the rotation through the driving gear drives driven gear and rotates simultaneously, driven gear drives the ring gear again and rotates, thereby make the agitator rotate follow, and agitator rotation direction and rabbling mechanism rotation opposite direction and have the rotational speed difference, make stirring efficiency higher, thereby reduce the time of required stirring, and the scraping ring of being connected with the (mixing) shaft can also cooperate with the (mixing) shaft when scraping the concrete of adhering to on the agitator, reach better stirring effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the driving gear, driven gear and gear ring according to the present utility model;

FIG. 3 is a schematic structural view of the stirring mechanism in the present utility model;

fig. 4 is a schematic structural view of the chassis, the annular base and the stirring barrel according to the present utility model.

Reference numerals: 1. a chassis; 2. a stirring barrel; 3. a footing; 4. a motor; 5. a stirring shaft; 6. an annular base; 7. a gear ring; 8. a drive gear; 9. a driven gear; 10. stirring the leaves; 11. a scraping ring; 12. a protruding rod; 13. a ball; 14. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 4, a concrete mixer, including chassis 1, chassis 1 fixedly connected with six footings 3, six footings 3 two by two symmetric distribution play the supporting role, rotate on chassis 1 and be connected with annular base 6, annular base 6's bottom surface gomphosis has ball 13 and with ball 13 roll connection, ball 13 is circumference array distribution on annular base 6, through embedding ball 13 annular base 6, and then can inject ball 13 position, guarantee not interfere each other between each ball 13, stability when increasing annular base 6 roll, be provided with on chassis 1 simultaneously with ball 13 roll fit's spout 14, spout 14 is the annular, and then can inject the radial of ball 13, guarantee its steady roll.

As shown in fig. 1 and 2, the stirring barrel 2 is placed on the annular base 6 so as to realize that the stirring barrel 2 is rotationally connected with the bottom frame 1, the annular base 6 is used for supporting the stirring barrel 2, meanwhile, the annular base 6 can synchronously rotate along with the stirring barrel 2, the motor 4 is fixedly connected to the bottom frame 1, the output end of the motor 4 is fixedly connected with the driving gear 8 used for driving the stirring mechanism to rotate, the driving gear 8 is driven to rotate through the output of the motor 4, meanwhile, the end face of the stirring barrel 2 is fixedly connected with the gear ring 7, the driving gear 8 is meshed with the driven gear 9, and the driven gear 9 is meshed with the gear ring 7, so that the rotation of the driven gear 9 can be driven through the rotation of the driving gear 8, the driven gear 9 is driven to rotate through the driven gear 9, the stirring barrel 2 is enabled to rotate along with the rotation of the stirring barrel 2, and the rotation direction of the stirring barrel 2 is opposite to the stirring mechanism.

As shown in fig. 1 and 3, a stirring mechanism is arranged in a stirring barrel 2, the stirring effect of stirring materials is achieved through rotation of the stirring mechanism, the stirring mechanism comprises a stirring shaft 5 which is rotationally connected with the stirring barrel 2, one end of the stirring shaft 5 penetrates out of the stirring barrel 2 and is fixedly connected with a driving gear 8, so that rotation of the driving gear 8 can drive rotation of the stirring shaft 5, meanwhile, the stirring shaft 5 is fixedly connected with a stirring blade 10, the stirring blade 10 is spiral, when the stirring blade 10 rotates, concrete can be driven to move up and down along with the stirring blade 10, the materials form a certain flowing state, stirring uniformity is improved, the radius length of the stirring blade 10 is 1/2-2/3 of the radius of the cross section of the stirring barrel 2, the stirring blade 10 can have better stirring effect, concrete can be fully stirred, meanwhile, a scraping ring 11 which is in contact with the inner wall of the stirring barrel 2 is fixedly connected with the stirring shaft 5, the stirring ring 11 is driven to synchronously rotate through rotation of the stirring shaft 5, the concrete attached to the stirring barrel 2 can be scraped, the stirring blade 11 is fixedly connected with a convex rod 12, and the stirring blade 10 can be matched with the stirring blade 10.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (7)

1. A concrete mixer comprising a chassis (1), characterized in that: six footings (3) of chassis (1) fixedly connected with, rotate on chassis (1) and be connected with agitator (2), terminal surface fixedly connected with ring gear (7) of agitator (2), be provided with rabbling mechanism in agitator (2), fixedly connected with motor (4) on chassis (1), the output fixedly connected with of motor (4) is used for driving rabbling mechanism pivoted driving gear (8), driving gear (8) meshing have rotate connect in chassis (1) and with ring gear (7) engaged with driven gear (9).

2. A concrete mixer according to claim 1, wherein: the diameter of the driving gear (8) is 1/2 of the diameter of the driven gear (9).

3. A concrete mixer according to claim 1, wherein: the stirring mechanism comprises a stirring shaft (5) which is rotationally connected with the stirring barrel (2), the stirring shaft (5) is fixedly connected with stirring blades (10), and one end of the stirring shaft (5) penetrates out of the stirring barrel (2) and is fixedly connected with a driving gear (8).

4. A concrete mixer according to claim 3, wherein: the stirring blade (10) is spiral, and the radius length of the stirring blade (10) is 1/2-2/3 of the radius of the cross section of the stirring barrel (2).

5. A concrete mixer according to claim 3, wherein: the stirring shaft (5) is fixedly connected with a scraping ring (11) which is contacted with the inner wall of the stirring barrel (2), and the scraping ring (11) is fixedly connected with a convex rod (12).

6. A concrete mixer according to claim 1, wherein: the chassis (1) is rotationally connected with an annular base (6), and balls (13) are arranged between the annular base (6) and the chassis (1).

7. A concrete mixer according to claim 6, wherein: the bottom surface of annular base (6) gomphosis has ball (13) and is connected with ball (13) roll, be provided with on chassis (1) with spout (14) of ball (13) roll cooperation.