CN112428436A

CN112428436A - Self-discharging formula cement mixer with grit screening structure

Info

Publication number: CN112428436A
Application number: CN202011160425.0A
Authority: CN
Inventors: 袁永花
Original assignee: Zhuzhou Dongheng Technology Co ltd
Current assignee: Zhuzhou Dongheng Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-03-02

Abstract

The utility model provides a self-discharging formula cement mixer with grit screening structure, includes mounting bracket, scraper bowl and support frame, be equipped with the outer frame body in the mounting bracket, and outer frame body internal surface is equipped with the guided way, guided way internal surface is connected with the agitator tank, and the outside of agitator tank is equipped with defeated silo, the rear end of agitator tank is connected with agitator motor, and the front end of agitator tank is equipped with logical material mouth, the upper end of mounting bracket is equipped with the support frame, and the front end of support frame is equipped with the extension board to the rear end that the front end of support frame was equipped with the extension board is equipped with the erection support, be equipped with driving motor in the erection. This self-discharging formula cement mixer with grit screening structure utilizes the vibration will be less than the grit material of net footpath and discharges from the screening net, then is greater than staying of net footpath in the screening net to under the effect of stirring rake, can stir the processing to the grit material, increase that can be further is to grit screening effect, thereby improves the quality of cement manufacture.

Description

Self-discharging formula cement mixer with grit screening structure

Technical Field

The invention relates to the technical field of cement mixers, in particular to a self-unloading cement mixer with a sand and stone screening structure.

Background

The cement mixer is an indispensable facility in the building engineering, mainly comprises a mixing drum, a transmission mechanism, a water supply mechanism and a feeding and discharging mechanism, lime powder and gravel are mixed, equal amount of water is injected for blending, the mixing drum is rotated by the transmission mechanism, so that the lime powder, the gravel and water are fully mixed, and materials such as concrete are produced.

However, current cement mixer still has a great deal of inconvenient problem, build simple and easy screening frame to the screening work of grit, artifical use shovel repeatability shovel the grit to screening net upper end, and accelerate screening speed through the mode that the manual work was strikeed, so not only inefficiency, still influence the construction progress, and stirring work is gone on in batches, can't continuation supply to unload, simultaneously at the in-process of unloading, change churn inclination by the pneumatic cylinder, in order to reach the purpose of unloading, so not only broken the stirring process, can also lead to the more part of cement material to stay in the agitator simultaneously, it is difficult to clear up after solidifying, influence next stirring work, therefore, need a self-discharging formula cement mixer with grit screening structure.

Disclosure of Invention

The purpose of the invention is: the utility model provides a self-discharging formula cement mixer with grit screening structure, put forward the screening work to the grit in solving above-mentioned background art and build simple and easy screening frame, artifical use shovel spade repeatability shovel the grit to screening net upper end, and accelerate screening speed through the mode that the manual work was strikeed, so not only inefficiency, still influence the construction progress, stirring work is gone on in batches, can't continuation supply to unload, the in-process of unloading simultaneously, change churn inclination by the pneumatic cylinder, in order to reach the purpose of unloading, the stirring process has not only been interrupted so, still can lead to the more part of cement material to stay in the agitator simultaneously, be difficult to the clearance after solidifying, influence the problem of the next stirring work.

The technical scheme of the invention is as follows: a self-discharging cement mixer with a sand and stone screening structure comprises a mounting frame, a bucket and a support frame, wherein an outer frame body is arranged in the mounting frame, a guide rail is arranged on the inner surface of the outer frame body, a stirring tank is connected to the inner surface of the guide rail, a material conveying groove is formed in the outer side of the stirring tank, a stirring motor is connected to the rear end of the stirring tank, a material through hole is formed in the front end of the stirring tank, the support frame is arranged at the upper end of the mounting frame, an extension plate is arranged at the front end of the support frame, a mounting support is arranged at the rear end of the support frame, a driving motor is arranged in the mounting support, a first rotating shaft is connected to one end of the driving motor, a stirring paddle is arranged on the outer side of the first rotating shaft, a screening net is connected, and the second rotates the seat surface and is connected with first pneumatic cylinder, the one end of first pneumatic cylinder is connected with the regulation connecting rod, and the other end of adjusting the connecting rod is connected with the scraper bowl, the bottom of mounting bracket is equipped with the arc fagging, and the other end of arc fagging is connected with the chassis, the right-hand member of chassis is equipped with first rotation seat, and the left end of chassis is equipped with the second pneumatic cylinder to the one end of second pneumatic cylinder is connected with the slip rail, the bottom of chassis is connected with the wheel.

Preferably, the mounting bracket is connected for rotating with first seat of rotating, and mounting bracket and second pneumatic cylinder are sliding connection to the mounting bracket passes through the arc fagging and is connected for the laminating with the chassis.

Preferably, the adjusting connecting rod is connected with the mounting bracket in a rotating mode, the adjusting connecting rod is connected with the first hydraulic cylinder in a rotating mode, the first hydraulic cylinder and the second rotating seat are connected in a rotating mode through clamping, and meanwhile the second rotating seat is connected with the mounting bracket in a sliding mode.

Preferably, the upper end fixedly connected with third cylinder of scraper bowl, and the one end and the baffle fixed connection of third cylinder to both ends and sliding frame sliding connection around the baffle, the bottom fixedly connected with slide of baffle simultaneously.

Preferably, the front end of first pivot is equipped with belt drive wheel, and belt drive wheel's the other end is connected with the second pivot to the surface of second pivot is equidistant to be distributed has the vibrating arm, and vibrating arm and screening net are swing joint simultaneously.

Preferably, both ends symmetry is provided with the buffer block around the screening net, and the upper and lower both ends symmetry of buffer block is provided with buffer spring to buffer spring's the other end and buffering frame are fixed connection, and buffer block and buffering frame are sliding connection simultaneously.

Preferably, the outside of logical material mouth is equipped with the guide fill, and the guide fill is arc column structure to the bottom is connected with first flitch down, and the guide fill is swing joint with logical material mouth simultaneously.

Preferably, the material passing opening is connected with the first blanking plate through the material guide hopper, a third rotating seat is arranged on the outer surface of the first blanking plate, a second blanking plate is connected to the outer side of the third rotating seat, the width of the second blanking plate is larger than that of the first blanking plate, and meanwhile, the first blanking plate is rotatably connected with the second blanking plate.

Preferably, the baffle is connected for the laminating with the scraper bowl, and the inclination of scraper bowl is the same with slide inclination to both ends are hollow structure around the scraper bowl, and the scraper bowl is fixed connection with adjusting the connecting rod simultaneously.

Advantageous effects

1. The scraper bowl is movable in a fixed track through a fixed transmission mechanism of the scraper bowl, gravel materials can be stably guided into the screening frame, the problem that the outside of a cement mixer is difficult to clean due to the fact that gravel leaks is avoided, the gravel slides forwards at a uniform speed along with the rotation of the stirring paddle by the aid of the rotation of the stirring paddle and the inclination angle of the supporting frame, sand with the particle size smaller than the mesh diameter of the screening net flows into the upper end of the stirring paddle, the screening net rapidly vibrates up and down in the supporting frame under the knocking of the vibrating rod, the generated vibration enables the gravel to jump at a high frequency, the gravel is rapidly screened, screening work can be automatically completed, the gravel screening efficiency is improved, and accordingly building construction progress is accelerated;

2. the circumference of the outer frame body is set to be larger than that of the support frame, the screened sand can directly flow into the upper end of the outer frame body to be contained, when the stirring tank rotates in the outer frame body, the material conveying groove arranged in the stirring tank is positioned at the upper end of the outer frame body, the sand in the outer frame body enters the stirring tank along the material conveying groove, when the material conveying groove slides into the upper end of the outer frame body, the sand is prevented from permeating from a gap, the staying time of the material conveying groove at the upper end of the outer frame body is controlled through the rotating speed of the stirring tank, the effect of quantitative material conveying is achieved through the staying time, the cement can be continuously stirred, and the stirring effect in the stirring machine is improved;

3. come to lead to the cement from the agitator tank unloading through the guide fill and enclose the fender, concentrate cement and leading-in into the lower flitch, avoid at the in-process of the ejection of compact, be in the rotation state and lead to cement material to splash everywhere because of the agitator tank, the lower flitch is formed by the combination of multisection looks isostructure simultaneously, and can extend many times forward, can extend appointed cement and stack in the district, make the at the uniform velocity slide from the lower flitch, the problem of cement mixer unable continuation production in the unloading in-process has been improved, the cement stirring work that carries on that can last, thereby the holistic practicality of equipment has been increased.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is an enlarged view of the area A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the stirring tank of the present invention;

FIG. 5 is a cross-sectional view of a bucket of the present invention;

FIG. 6 is a schematic diagram of a front view of the stirring tank of the present invention;

fig. 7 is a schematic top view of the outer frame of the present invention.

In the figure: 1. a mounting frame; 2. a stirring tank; 3. an outer frame body; 4. a first hydraulic cylinder; 5. adjusting the connecting rod; 6. a bucket; 7. an arc-shaped supporting plate; 8. a first rotating base; 9. a sliding rail; 10. a second hydraulic cylinder; 11. a chassis; 12. a wheel; 13. a second rotating base; 14. a support frame; 15. an extension plate; 16. mounting a support; 17. a first rotating shaft; 18. a stirring paddle; 19. screening the net; 20. a second rotating shaft; 21. a vibrating rod; 22. a drive motor; 23. a belt transmission wheel; 24. a buffer frame; 25. a buffer block; 26. a buffer spring; 27. a stirring motor; 28. a material inlet is formed; 29. a guide rail; 30. a material conveying groove; 31. a material guide hopper; 32. a first blanking plate; 33. a third rotating base; 34. a second blanking plate; 35. a third cylinder; 36. a baffle plate; 37. a sliding frame; 38. a slide board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a self-discharging cement mixer with a sand sieving structure comprises a mounting frame 1, a bucket 6 and a supporting frame 14, wherein an outer frame 3 is arranged in the mounting frame 1, a guide rail 29 is arranged on the inner surface of the outer frame 3, a stirring tank 2 is connected to the inner surface of the guide rail 29, a material conveying groove 30 is arranged on the outer side of the stirring tank 2, a stirring motor 27 is connected to the rear end of the stirring tank 2, a material through hole 28 is arranged at the front end of the stirring tank 2, the supporting frame 14 is arranged at the upper end of the mounting frame 1, an extending plate 15 is arranged at the front end of the supporting frame 14, an installation support 16 is arranged at the rear end of the supporting frame 14, a driving motor 22 is arranged in the installation support 16, one end of the driving motor 22 is connected with a first rotating shaft 17, a stirring paddle 18 is arranged on the outer side of the first rotating shaft 17, a, and both ends are equipped with buffering frame 24 around support frame 14, the front end of mounting bracket 1 is equipped with the second and rotates seat 13, and second rotates seat 13 surface and is connected with first pneumatic cylinder 4, the one end of first pneumatic cylinder 4 is connected with adjusting connecting rod 5, and adjusting connecting rod 5's the other end is connected with scraper bowl 6, the bottom of mounting bracket 1 is equipped with arc fagging 7, and the other end of arc fagging 7 is connected with chassis 11, the right-hand member of chassis 11 is equipped with first rotation seat 8, and the left end of chassis 11 is equipped with second pneumatic cylinder 10, and the one end of second pneumatic cylinder 10 is connected with slide rail 9, the bottom of chassis 11 is connected with wheel 12.

The mounting frame 1 is rotatably connected with the first rotating seat 8, the mounting frame 1 is slidably connected with the second hydraulic cylinder 10, the mounting frame 1 is in fit connection with the chassis 11 through the arc-shaped supporting plate 7, and the second hydraulic cylinder 10 can be controlled through the connection relation between the mounting frame 1 and the first rotating seat 8 as well as the hydraulic cylinder 10, so that the mounting frame 1 can rotate by taking the first rotating seat 8 as a central point, and the blanking work of cement materials in the stirring tank 2 can be conveniently completed by utilizing the effect of an inclination angle;

the adjusting connecting rod 5 is rotatably connected with the mounting frame 1, the adjusting connecting rod 5 is rotatably connected with the first hydraulic cylinder 4, the first hydraulic cylinder 4 is rotatably connected with the second rotating seat 13 in a clamping manner, meanwhile, the second rotating seat 13 is slidably connected with the mounting frame 1, the adjusting connecting rod 5 is driven by the first hydraulic cylinder 4 to drive the whole bucket 6 to rotate and control through the connection relationship that the adjusting connecting rod 5 is rotatably connected with the mounting frame 1 and the first hydraulic cylinder 4, and the first hydraulic cylinder 4 slides outside the mounting frame 1 in a matching manner with the second rotating seat 13 when extending back and forth to make self-adaptive adjustment, so that the bucket 6 can be conveniently switched between material shoveling and feeding through switching of positions;

the upper end of the bucket 6 is fixedly connected with a third cylinder 35, one end of the third cylinder 35 is fixedly connected with a baffle plate 36, the front end and the rear end of the baffle plate 36 are slidably connected with a sliding frame 37, the bottom end of the baffle plate 36 is fixedly connected with a sliding plate 38, the third cylinder 35 is fixedly connected with the upper end of the bucket 6, under the action of the third cylinder 35, the baffle plate 36 slides forwards along the sliding frame 37, sand in the bucket 6 is discharged by utilizing the tilting force, the sand is conveyed to the extension plate 15 by matching with the sliding plate 38 at the bottom end, and finally the sand is guided into the sieving net 19 for sand sieving work;

the belt transmission wheel 23 is arranged at the front end of the first rotating shaft 17, the other end of the belt transmission wheel 23 is connected with the second rotating shaft 20, the vibrating rods 21 are distributed on the outer surface of the second rotating shaft 20 at equal intervals, meanwhile, the vibrating rods 21 are movably connected with the sieving net 19, and the belt transmission wheel 23 is arranged at the front end of the first rotating shaft 17, so that the second rotating shaft 20 and the first rotating shaft 17 synchronously rotate under the driving of the driving motor 22, the vibrating rods 21 on the outer side of the second rotating shaft 20 can be continuously contacted with the sieving net 19, and the sieving efficiency of the gravels is improved;

the screening net 19 is provided with buffer blocks 25 at the front and rear ends symmetrically, the upper and lower ends of the buffer blocks 25 are provided with buffer springs 26 symmetrically, the other ends of the buffer springs 26 are fixedly connected with the buffer frame 24, meanwhile, the buffer blocks 25 are connected with the buffer frame 24 in a sliding manner, the buffer blocks 25 are arranged at the front and rear ends of the screening net 19 symmetrically, and the buffer springs 26 are arranged at the upper and lower ends of the buffer blocks 25 symmetrically, so that when the vibrating rod 21 continuously pushes the screening net 19, a good buffer effect can be provided, the screening net 19 can be rapidly reset, a rapid vibrating effect can be achieved, sand smaller than the screening net 19 is discharged into the outer frame body 3 by vibration, and the screening effect on sand is improved;

the guide hopper 31 is arranged on the outer side of the material passing hole 28, the guide hopper 31 is of an arc-shaped structure, the bottom end of the guide hopper 31 is connected with the first blanking plate 32, the guide hopper 31 is movably connected with the material passing hole 28, the guide hopper 31 is arranged on the outer side of the material passing hole 28, and the shape structure of the guide hopper 31 can comprehensively guide the cement material in the stirring tank 2 into the first blanking plate 32, so that the cement material is prevented from splashing around, and the blanking stability is improved;

the material passing opening 28 is connected with the first blanking plate 32 through the material guide hopper 31, a third rotating seat 33 is arranged on the outer surface of the first blanking plate 32, a second blanking plate 34 is connected to the outer side of the third rotating seat 33, the width of the second blanking plate 34 is larger than that of the first blanking plate 32, meanwhile, the first blanking plate 32 is rotatably connected with the second blanking plate 34, the first blanking plate 32 is connected with the second blanking plate 34 through the third rotating seat 33, the width of the second blanking plate 34 is larger than that of the first blanking plate 32, and the blanking plates with the same structure are spliced, so that the overall length of the blanking plates can be prolonged, the blanking work is more convenient, and meanwhile, the rotating structure of the blanking plates is convenient for folding and accommodating the blanking plates;

baffle 36 is connected for the laminating with scraper bowl 6, and the inclination of scraper bowl 6 is the same with slide 38 inclination to both ends are hollow structure around scraper bowl 6, and scraper bowl 6 is fixed connection with adjusting link 5 simultaneously, is connected for the laminating through baffle 36 and scraper bowl 6, and the inclination of scraper bowl 6 is the same with slide 38 inclination, can carry out the breach to the one end of scraper bowl 6 and close, thereby has increased the practicality of shovel material structure.

When the self-discharging cement mixer with the sand and stone screening structure is used, firstly, the whole mixer is driven by the wheels 12 at the bottom end of the bottom frame 11 to move forwards, the bucket 6 is shoveled into a sand and stone pile and is pushed forwards by the first hydraulic cylinder 4, and the second rotating seat 13 is matched to slide on the outer side of the mounting frame 1 to make self-adaptive displacement, the adjusting connecting rod 5 drives the bucket 6 to rotate upwards, sand and stone materials are shoveled into the bucket 6, when the position of the bucket 6 corresponds to the position of the supporting frame 14, the third cylinder 35 is driven to push the baffle 36, the baffle 36 slides forwards along the sliding frame 37, the baffle 36 is separated from the rear end of the bucket 6, so that the sand and stone materials are discharged from the rear end of the bucket 6, the sand and stone materials are guided to the upper end of the extending plate 15 by the sliding plate 38 and are slid into the screening net 19 together, then the driving motor 22 is started to rotate the first rotating shaft 17, the first rotating shaft 17 is matched with the stirring paddles 18 on the outer side to stir, the gravels smaller than the diameter of the sieving net 19 directly fall into the outer frame 3, under the action of the belt drive wheel 23, the second rotating shaft 20 rotates between the mounting support 16 and the support frame 14, and the vibrating rod 21 outside is matched to continuously push the sieving net 19, under the action of the buffer block 25 and the buffer spring 26, the sieving net 19 moves up and down in the buffer frame 24 in short distance, and can be quickly reset, the sieving net 19 can be quickly shaken, the sieving effect of the sieving net 19 can be increased, the outer frame 3 discharges the sieved materials into the inner part from the material conveying groove 30 in the stirring tank 2, the same amount of water is added in the inner part, the stirring motor 27 is started to stir and mix the cement materials, the stirring tank 2 continuously rotates along the guide rail 29, after the stirring is finished, the third rotating seat 33 rotates to spread the first blanking plate 32 and the second blanking plate 34, and start second pneumatic cylinder 10 and upwards stretch out and draw back, the one end that makes second pneumatic cylinder 10 slides along sliding rail 9, rotate mounting bracket 1 with first rotation seat 8 as the central point, make mounting bracket 1 wholly be the slope form, be convenient for discharge the cement material in agitator tank 2 from logical material mouth 28, arc fagging 7 can carry out the supporting role to mounting bracket 1, the atress that makes mounting bracket 1 is more even, cement is at the exhaust in-process, fight 31 by the guide and lead to the cement material, avoid the cement material to splash everywhere, can concentrate the cement material and arrange into the assigned position, thereby holistic practicality has been increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-discharging formula cement mixer with grit screening structure, includes mounting bracket (1), scraper bowl (6) and support frame (14), its characterized in that: the material conveying device is characterized in that an outer frame body (3) is arranged in the mounting rack (1), a guide rail (29) is arranged on the inner surface of the outer frame body (3), an agitator tank (2) is connected to the inner surface of the guide rail (29), a material conveying groove (30) is arranged on the outer side of the agitator tank (2), an agitator motor (27) is connected to the rear end of the agitator tank (2), a material conveying port (28) is formed in the front end of the agitator tank (2), a support frame (14) is arranged at the upper end of the mounting rack (1), an extension plate (15) is arranged at the front end of the support frame (14), an installation support (16) is arranged at the rear end of the support frame (14), a driving motor (22) is arranged in the installation support (16), a first rotating shaft (17) is connected to one end of the driving motor (22), and a stirring paddle (18) is arranged on the outer side of the, the inner surface of the supporting frame (14) is connected with a screening net (19), the front end and the rear end of the supporting frame (14) are provided with buffer frames (24), the front end of the mounting frame (1) is provided with a second rotating seat (13), and the outer surface of the second rotating seat (13) is connected with a first hydraulic cylinder (4), one end of the first hydraulic cylinder (4) is connected with an adjusting connecting rod (5), the other end of the adjusting connecting rod (5) is connected with a bucket (6), the bottom end of the mounting rack (1) is provided with an arc supporting plate (7), the other end of the arc supporting plate (7) is connected with an underframe (11), the right end of the underframe (11) is provided with a first rotating seat (8), the left end of the underframe (11) is provided with a second hydraulic cylinder (10), and one end of the second hydraulic cylinder (10) is connected with a sliding rail (9), and the bottom end of the underframe (11) is connected with wheels (12).

2. The self-unloading cement mixer with sand and stone screening structure of claim 1, wherein: mounting bracket (1) is connected for rotating with first seat (8) of rotating, and mounting bracket (1) is sliding connection with second pneumatic cylinder (10) to mounting bracket (1) is connected for laminating through arc fagging (7) and chassis (11).

3. The self-unloading cement mixer with sand and stone screening structure of claim 1, wherein: adjusting connecting rod (5) and mounting bracket (1) are connected for rotating, and adjusting connecting rod (5) and first pneumatic cylinder (4) are connected for rotating to first pneumatic cylinder (4) rotate seat (13) with the second and rotate and be connected for the block rotation, and seat (13) are rotated with mounting bracket (1) to the second simultaneously and are sliding connection.

4. The self-unloading cement mixer with sand and stone screening structure of claim 1, wherein: the upper end fixedly connected with third cylinder (35) of scraper bowl (6), and the one end and baffle (36) fixed connection of third cylinder (35), and both ends and sliding frame (37) sliding connection around baffle (36), the bottom fixedly connected with slide (38) of baffle (36) simultaneously.

5. The self-unloading cement mixer with sand and stone screening structure of claim 1, wherein: the front end of first pivot (17) is equipped with belt drive wheel (23), and the other end of belt drive wheel (23) is connected with second pivot (20), and the surface of second pivot (20) is equidistant to distribute has vibrating arm (21), and vibrating arm (21) and screening net (19) are swing joint simultaneously.

6. The self-unloading cement mixer with sand and stone screening structure of claim 1, wherein: screening net (19) front and back both ends symmetry is provided with buffer block (25), and the upper and lower both ends symmetry of buffer block (25) is provided with buffer spring (26) to the other end and the buffering frame (24) of buffer spring (26) are fixed connection, and buffer block (25) are sliding connection with buffering frame (24) simultaneously.

7. The self-unloading cement mixer with sand and stone screening structure of claim 1, wherein: the outer side of the material passing opening (28) is provided with a material guiding hopper (31), the material guiding hopper (31) is of an arc-shaped structure, the bottom end of the material guiding hopper is connected with a first blanking plate (32), and the material guiding hopper (31) is movably connected with the material passing opening (28).

8. The self-unloading cement mixer with sand and stone screening structure of claim 7, wherein: the material passing opening (28) is connected with the first blanking plate (32) through the material guide hopper (31), a third rotating seat (33) is arranged on the outer surface of the first blanking plate (32), a second blanking plate (34) is connected to the outer side of the third rotating seat (33), the width of the second blanking plate (34) is larger than that of the first blanking plate (32), and meanwhile the first blanking plate (32) is rotatably connected with the second blanking plate (34).

9. The self-unloading cement mixer with sand and stone screening structure of claim 4, wherein: baffle (36) are connected for the laminating with scraper bowl (6), and the inclination of scraper bowl (6) is the same with slide (38) inclination to both ends are hollow structure around scraper bowl (6), and scraper bowl (6) are fixed connection with adjusting connecting rod (5) simultaneously.