CN219445571U

CN219445571U - Forced concrete mixer convenient to clearance

Info

Publication number: CN219445571U
Application number: CN202320256359.XU
Authority: CN
Inventors: 吴钱柱; 聂咸岱; 张一帆; 安婷婷; 施康
Original assignee: Anhui Zhongchen Traffic Engineering Technology Co ltd
Current assignee: Anhui Zhongchen Traffic Engineering Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-08-01
Anticipated expiration: 2033-02-20

Abstract

The utility model provides a forced concrete mixer convenient to clean, and relates to the technical field of concrete processing. The top in the churn is equipped with the ring cover that can hold two shower nozzles, and the link mechanism that sets up between two shower nozzles can be at abluent in-process, releases two shower nozzles from the ring cover in, and when not using, the shower nozzle is the income ring cover again, because the separation of ring cover, the stirring arm can not collapse the outside of shower nozzle at pivoted in-process in the concrete that splashes in the churn, guarantee shower nozzle can last the use, reduces maintenance cost.

Description

Forced concrete mixer convenient to clearance

Technical Field

The utility model relates to the technical field of concrete processing, in particular to a forced concrete mixer convenient to clean.

Background

A drum barrel of the forced stirrer is internally provided with a plurality of groups of blades, and the blades rotate around a vertical shaft or a horizontal shaft during stirring to forcedly stir materials until the materials are uniformly stirred. The stirring machine has strong stirring effect, is suitable for stirring dry and hard concrete and lightweight aggregate concrete, can also stir flowable concrete, and has the advantages of good stirring quality, high stirring speed, high production efficiency, simple and convenient operation, safety and the like.

At present, when the inner wall of the vertical shaft concrete mixer is cleaned, a mode of matching water flow flushing is adopted to scrape the inner wall of the machine barrel by adopting the blades, a spray head for water flow flushing is arranged on the inner side of the machine barrel, so that water flow can cover comprehensively, and the spray head is exposed outside. In the process of stirring concrete, part of concrete can splash to the spray head and cannot be washed through water flow, so that the concrete is prevented from being solidified, manual cleaning of operators is needed, and the spray head is fixed on the inner wall of the machine barrel, so that cleaning is time-consuming and labor-consuming.

Disclosure of Invention

Aiming at the problems, the utility model provides a forced concrete mixer convenient to clean, which is used for solving the defect that part of concrete splashes on a spray head and needs to be cleaned manually in the process of mixing the concrete by the traditional mixer.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the forced concrete mixer convenient to clean comprises a support frame, wherein the upper end of the support frame is provided with a mixing drum and a hopper, and the lower port of the hopper is communicated with a feeding window arranged at the upper end of the mixing drum;

a rotating shaft is arranged in the stirring cylinder, the lower end of the rotating shaft penetrates through the stirring cylinder and is movably connected with the output end of a reduction gear motor arranged at the lower end of the supporting frame, the upper end of the rotating shaft is provided with a mounting piece, and a plurality of stirring arms with scraper structures are arranged outside the mounting piece;

the mounting top is equipped with the ring cover, ring cover upper end and churn inside wall fixed connection are equipped with two shower nozzles in the ring cover, the shower nozzle communicates with the water injection pipe of establishing in the churn outside, is equipped with the link mechanism that is used for ejecting two shower nozzles from in the ring cover between two shower nozzles.

The further improvement is that: the connecting rod mechanism comprises a pneumatic push rod arranged on the inner top wall of the stirring cylinder cavity, one side of the pneumatic push rod facing the spray head is respectively provided with a hinge seat, the hinge seats are fixedly connected with the spray head through first rocker arms arranged in the annular sleeve, one ends of the first rocker arms, which are far away from the spray head, are rotationally connected with the hinge seats, a second rocker arm is respectively arranged below the two first rocker arms, one ends, which are close to each other, of the two second rocker arms are rotationally connected with the output end of the pneumatic push rod, and the other ends of the two second rocker arms are rotationally connected with the lower end surfaces of the first rocker arms.

The further improvement is that: the scraper structure comprises a first scraper and a second scraper, wherein one side of the first scraper, which is close to the stirring arm, is fixedly connected with the stirring arm through a fixed rod, the other side of the first scraper is contacted with the inner side wall of the stirring cylinder cavity, the upper end of the second scraper is fixedly connected with the lower end of the stirring arm through a fixed rod, and the lower end of the second scraper is contacted with the inner bottom wall of the stirring cylinder cavity.

The further improvement is that: the stirring barrel is internally provided with a bearing sleeve, the bearing sleeve is sleeved on the outer side of the rotating shaft and is rotationally connected with the rotating shaft, the lower end of the bearing sleeve is fixedly connected with the inner bottom wall of the cavity of the stirring barrel, and a gap is reserved between the upper end of the bearing sleeve and the mounting piece.

The further improvement is that: the upper end of the bearing sleeve is provided with a third scraping plate, the lower end of the third scraping plate is fixedly connected with the bearing sleeve, and the upper end of the third scraping plate is close to the outer side wall of the rotating shaft.

The further improvement is that: the lower end of the mounting piece is provided with a fourth scraper, the upper end of the fourth scraper is fixedly connected with the mounting piece, the lower end of the fourth scraper is clung to the outer side wall of the bearing sleeve, and a gap allowing the third scraper to pass through is reserved between the fourth scraper and the rotating shaft.

The beneficial effects of the utility model are as follows: the top in the churn is equipped with the ring cover that can hold two shower nozzles, and the link mechanism that sets up between two shower nozzles can be at abluent in-process, releases two shower nozzles from the ring cover in, and when not using, the shower nozzle is the income ring cover again, because the separation of ring cover, the stirring arm can not collapse the outside of shower nozzle at pivoted in-process in the concrete that splashes in the churn, and the shower nozzle can last the use, reduces maintenance cost.

Drawings

FIG. 1 is a schematic view of a mixing drum according to the present utility model.

FIG. 2 is a cross-sectional view of a mixing drum in accordance with the present utility model.

Fig. 3 is an enlarged view of the structure at a in fig. 2 in the present utility model.

Wherein: 1. a support frame; 2. a stirring cylinder; 3. a reduction gear motor; 4. a hopper; 5. a feeding window; 6. a bearing sleeve; 7. a rotating shaft; 8. a mounting member; 9. a stirring arm; 10. a first scraper; 11. a second scraper; 12. a third squeegee; 13. a fourth squeegee; 14. a ring sleeve; 15. a spray head; 16. a first rocker arm; 17. a water injection pipe; 18. a pneumatic push rod; 19. a second rocker arm; 20. and a hinging seat.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to fig. 1, 2 and 3, the embodiment provides a forced concrete mixer convenient to clean, which comprises a support frame 1, wherein a mixing drum 2 and a hopper 4 are arranged at the upper end of the support frame 1, and the lower port of the hopper 4 is communicated with a feeding window 5 arranged at the upper end of the mixing drum 2;

a rotating shaft 7 is arranged in the stirring cylinder 2, the lower end of the rotating shaft 7 penetrates through the stirring cylinder 2 and is movably connected with the output end of a reduction gear motor 3 arranged at the lower end of the supporting frame 1, the upper end of the rotating shaft 7 is provided with a mounting piece 8, and a plurality of stirring arms 9 with scraper structures are arranged outside the mounting piece 8;

the output end of the reducing gear motor 3 is in meshed transmission among bevel gear groups, the rotating shaft 7 is controlled to rotate along the axis of the reducing gear motor, the rotating shaft 7 can drive the installation piece 8 to rotate together in rotation, the installation piece 8 stirs concrete put into the mixing drum 2 through the mixing arm 9 and a scraper structure connected with the mixing arm 9, and the scraper structure can also continuously clean the inner wall of the mixing drum 2 in rotation.

The upper part of the mounting piece 8 is provided with a ring sleeve 14, the upper end of the ring sleeve 14 is fixedly connected with the inner side wall of the stirring barrel 2, two spray heads 15 are arranged in the ring sleeve 14, the spray heads 15 are communicated with a water injection pipe 17 arranged on the outer side of the stirring barrel 2, and a connecting rod mechanism for pushing the two spray heads 15 out of the ring sleeve 14 is arranged between the two spray heads 15. The shower nozzle 15 is through water injection pipe 17 and establish the water injection pump machine intercommunication outside churn 2, when washing churn 2 inner wall, link mechanism can push out two shower nozzles 15 from the ring cover 14 lower port, and when not using, shower nozzle 15 is in the ring cover 14 again, because the separation of ring cover 14, when stirring arm 9 rotates, the concrete that splashes can not collapse outside shower nozzle 15, guarantee shower nozzle 15 can continue to use.

Specifically, the link mechanism comprises a pneumatic push rod 18 arranged on the inner top wall of the cavity of the mixing drum 2, a hinge seat 20 is respectively arranged on one side of the pneumatic push rod 18 facing the spray head 15, the hinge seat 20 is fixedly connected with the spray head 15 through a first rocker arm 16 arranged in the annular sleeve 14, one end of the first rocker arm 16 far away from the spray head 15 is rotationally connected with the hinge seat 20, a second rocker arm 19 is respectively arranged below the two first rocker arms 16, one end, close to each other, of the two second rocker arms 19 is rotationally connected with the output end of the pneumatic push rod 18, and the other end of the two second rocker arms 19 is rotationally connected with the lower end face of the first rocker arm 16.

When the output end of the pneumatic push rod 18 pushes downwards, the output end of the pneumatic push rod 18 pulls the first rocker arms 16 through the second rocker arms 19, the two first rocker arms 16 rotate around the hinge seat 20, the spray head 15 in the annular sleeve 14 is pushed out of the annular sleeve 14, the equipment in the mixing drum 2 is sprayed, and when the output end of the pneumatic push rod 18 is retracted, the spray head 15 is also retracted into the annular sleeve 14. In addition, by controlling the first rocker arm 16 to rock in the ring sleeve 14, the flushing range of the spray head 15 can be increased, and cleaning is more comprehensive.

The scraper structure comprises a first scraper 10 and a second scraper 11, wherein one side, close to the stirring arm 9, of the first scraper 10 is fixedly connected with the stirring arm 9 through a fixed rod, the other side of the first scraper 10 is contacted with the inner side wall of the cavity of the stirring cylinder 2, the upper end of the second scraper 11 is fixedly connected with the lower end of the stirring arm 9 through a fixed rod, and the lower end of the second scraper 11 is contacted with the inner bottom wall of the cavity of the stirring cylinder 2. When the mounting piece 8 drives the stirring arm 9 to rotate, the stirring arm 9 also drives the first scraping plate 10 and the second scraping plate 11 to rotate together, the first scraping plate 10 can clean the inner side wall of the stirring cylinder 2 in rotation, and the second scraping plate 11 can clean the inner side bottom wall of the stirring cylinder 2 in rotation.

In order to improve the stability of the rotating shaft 7 during rotation and the sealing between the stirring cylinder 2 and the rotating shaft 7, a bearing sleeve 6 is arranged in the stirring cylinder 2, the bearing sleeve 6 is sleeved on the outer side of the rotating shaft 7 and is rotationally connected with the rotating shaft 7, the lower end of the bearing sleeve 6 is fixedly connected with the inner bottom wall of a cavity of the stirring cylinder 2, and a gap is reserved between the upper end of the bearing sleeve 6 and the mounting piece 8. The bearing sleeve 6 sleeved on the outer side of the rotating shaft 7 can protect the rotating shaft 7 when the rotating shaft 7 rotates.

When the concrete is stirred, the concrete material can be adhered to the outer side walls of the bearing sleeve 6 and the rotating shaft 7, and because the flushing equipment is arranged on the top wall of the stirring barrel 2, the concrete material adhered to the outer side walls of the bearing sleeve 6 and the rotating shaft 7 is difficult to clean effectively.

In the preferred embodiment, the upper end of the bearing sleeve 6 is provided with a third scraper blade 12, the lower end of the third scraper blade 12 is fixedly connected with the bearing sleeve 6, and the upper end of the third scraper blade 12 is close to the outer side wall of the rotating shaft 7.

The lower extreme of mounting 8 is equipped with fourth scraper blade 13, and fourth scraper blade 13 upper end and mounting 8 fixed connection, and fourth scraper blade 13 lower extreme is hugged closely at the lateral wall of bearing housing 6, and it should be noted that, leave the interval that allows third scraper blade 12 to pass between fourth scraper blade 13 and the pivot 7. When the rotating shaft 7 rotates, the third scraping plate 12 can directly scrape the residues attached to the surface of the rotating shaft 7, the fourth scraping plate 13 in the rotating state can scrape the residues attached to the surface of the bearing sleeve 6, and the third scraping plate 12 and the fourth scraping plate 13 are staggered and cannot collide.

The top in the churn 2 is equipped with one and can hold the ring cover 14 of two shower nozzles 15, the link mechanism that sets up between two shower nozzles 15, can be at abluent in-process, release two shower nozzles 15 from ring cover 14, when not using, shower nozzle 15 is in the ring cover 14 again, because the separation of ring cover 14, the stirring arm 9 can not collapse the outside of shower nozzle 15 at pivoted in-process in the concrete that splashes in the churn 2, shower nozzle 15 can last the use, reduce maintenance cost.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a forced concrete mixer convenient to clearance, includes support frame (1), support frame (1) upper end is equipped with churn (2) and hopper (4), port and feed window (5) intercommunication of seting up in churn (2) upper end under hopper (4), its characterized in that:

a rotating shaft (7) is arranged in the stirring cylinder (2), the lower end of the rotating shaft (7) penetrates through the stirring cylinder (2) and is movably connected with the output end of a reduction gear motor (3) arranged at the lower end of the supporting frame (1), a mounting piece (8) is arranged at the upper end of the rotating shaft (7), and a plurality of stirring arms (9) with scraper structures are arranged outside the mounting piece (8);

the utility model discloses a stirring device, including mounting (8) and connecting rod mechanism, mounting (8) top is equipped with ring cover (14), ring cover (14) upper end and churn (2) inside wall fixed connection, be equipped with two shower nozzles (15) in ring cover (14), shower nozzle (15) communicate with water injection pipe (17) of establishing in the churn (2) outside, two be equipped with between shower nozzle (15) and be used for ejecting two shower nozzles (15) from ring cover (14) in link mechanism.

2. A positive-action concrete mixer for facilitating cleaning as defined in claim 1, wherein: the connecting rod mechanism comprises a pneumatic push rod (18) arranged on the inner top wall of a cavity of the mixing drum (2), one side of the pneumatic push rod (18) faces towards the spray head (15) is respectively provided with a hinge seat (20), the hinge seats (20) are fixedly connected with the spray head (15) through a first rocker arm (16) arranged in a ring sleeve (14), one end of the first rocker arm (16) away from the spray head (15) is rotationally connected with the hinge seats (20), two second rocker arms (19) are respectively arranged below the first rocker arm (16), two second rocker arms (19) are rotationally connected with the output end of the pneumatic push rod (18) close to one end of each other, and the other ends of the second rocker arms (19) are rotationally connected with the lower end face of the first rocker arm (16).

3. A positive-action concrete mixer for facilitating cleaning as defined in claim 1, wherein: the scraper structure comprises a first scraper (10) and a second scraper (11), wherein one side of the first scraper (10) close to the stirring arm (9) is fixedly connected with the stirring arm (9) through a fixed rod, the other side of the first scraper (10) is contacted with the inner side wall of a cavity of the stirring cylinder (2), the upper end of the second scraper (11) is fixedly connected with the lower end of the stirring arm (9) through a fixed rod, and the lower end of the second scraper (11) is contacted with the inner bottom wall of the cavity of the stirring cylinder (2).

4. A positive-action concrete mixer for facilitating cleaning as defined in claim 1, wherein: the stirring barrel (2) is internally provided with a bearing sleeve (6), the bearing sleeve (6) is sleeved on the outer side of the rotating shaft (7) and is rotationally connected with the rotating shaft (7), the lower end of the bearing sleeve (6) is fixedly connected with the inner bottom wall of the cavity of the stirring barrel (2), and an interval is reserved between the upper end of the bearing sleeve (6) and the mounting piece (8).

5. A positive-action concrete mixer for facilitating cleaning as defined in claim 4, wherein: the upper end of the bearing sleeve (6) is provided with a third scraping plate (12), the lower end of the third scraping plate (12) is fixedly connected with the bearing sleeve (6), and the upper end of the third scraping plate (12) is close to the outer side wall of the rotating shaft (7).

6. The forced concrete mixer convenient to clean according to claim 5, wherein a fourth scraper blade (13) is arranged at the lower end of the mounting piece (8), the upper end of the fourth scraper blade (13) is fixedly connected with the mounting piece (8), the lower end of the fourth scraper blade (13) is tightly attached to the outer side wall of the bearing sleeve (6), and a gap allowing the third scraper blade (12) to pass through is reserved between the fourth scraper blade (13) and the rotating shaft (7).