CN220297500U

CN220297500U - Powdery admixture feeding device of concrete

Info

Publication number: CN220297500U
Application number: CN202321713898.8U
Authority: CN
Inventors: 汤军燕; 吴志皇; 赵培飞; 林良武; 胡太金
Original assignee: Fujian Xiechuang Environmental Protection Technology Co ltd
Current assignee: Fujian Xiechuang Environmental Protection Technology Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2024-01-05
Anticipated expiration: 2033-07-03

Abstract

The utility model relates to a concrete powdery additive feeding device, which comprises a feeding box, a conveying funnel and a feeding hole, wherein the upper end of the conveying funnel is communicated with the feeding box, the lower end of the conveying funnel is communicated with the upper end of the feeding hole, a screening cylinder is rotationally connected inside the feeding box, the screening cylinder is rotationally connected with a scattering device, the scattering device comprises a rotating shaft and scattering blades fixed on one side of the rotating shaft, the scattering blades comprise a frame and a plurality of cross bars and longitudinal bars fixed in the frame, the lower side of the frame is fixedly connected with the rotating shaft, the cross bars and the longitudinal bars are mutually and vertically and fixedly connected, a plurality of crushing holes are formed between the cross bars and the longitudinal bars, an inlet is formed at the top end of the screening cylinder, a corresponding inlet cover is arranged at the inlet, screening holes are uniformly formed in the outer wall of the screening cylinder, and the lower end of the feeding hole is communicated with a bulk material device; therefore, the powder additive can be scattered and screened in advance, the agglomerated additive is prevented from entering the concrete mixer, and the subsequent stirring of the concrete powder additive in the concrete is quickened.

Description

Powdery admixture feeding device of concrete

Technical Field

The utility model relates to a feeding device, in particular to a feeding device for a concrete powdery additive.

Background

The concrete is made of cement as main cementing material, water, sand and cobble, if necessary, chemical additive and mineral additive through mixing, uniform stirring, compacting, shaping, curing and hardening.

In the preparation process of concrete, powdery admixture is often required to be added, the uniformity of the existing concrete powdery admixture feeding device is poor, the existing concrete powdery admixture feeding device needs to be stirred for a long time to be uniformly mixed with other raw materials, the powdery admixture is not treated in advance under the conditions of wet agglomeration and the like of the powdery admixture, such as scattering, screening and the like, so that the uniform distribution of the concrete powdery admixture in the concrete is difficult to ensure under the condition of short stirring time of common concrete.

Disclosure of Invention

Aiming at the defects of the problems, the utility model provides a concrete powdery additive feeding device.

The utility model realizes the above purpose through the following technical scheme: the utility model provides a powdered admixture feeding device of concrete, feeding device includes charging box, conveying funnel, feed inlet, conveying funnel upper end intercommunication the charging box, conveying funnel below intercommunication the feed inlet upper end, the charging box top is provided with the opening, the opening is provided with corresponding top cap, the inside rotation of charging box is connected with a screening section of thick bamboo, screening section of thick bamboo internal rotation is connected with and is broken up the device, it includes the axis of rotation and fixes to break up the leaf in axis of rotation one side, two inner walls are provided with the bearing frame respectively about the charging box, the axis of rotation runs through screening section of thick bamboo is connected the bearing frame, first motor is installed to charging box left side inside wall, first motor drivable axis of rotation, break up the leaf include the frame and be fixed in a plurality of horizontal pole and the vertical pole in the frame, the frame lower side with axis of rotation fixed connection, be formed with a plurality of crushing mouths between horizontal pole and the vertical pole, the import has been seted up on the screening section of thick bamboo top, the screen is provided with corresponding import, the opening is equipped with the feed inlet, the feed inlet evenly communicates.

Preferably, the sizes of the openings of the plurality of crushing openings are not uniform.

Preferably, the cross bars and the joints of the longitudinal bars are fixedly connected with scattering balls.

Preferably, the left side end cover of axis of rotation is equipped with from the driving wheel, the left side lateral wall of screening cylinder is provided with first ring gear, first motor is installed to charging box left side inside wall, the output axle head of first motor from left to right sets gradually action wheel and rotation wheel, the action wheel with the wrap connection has the rotation area between the driving wheel, the upside meshing of rotation wheel first ring gear.

Preferably, the stirring rod is arranged inside the conveying funnel, a second motor is arranged on the left outer side wall of the conveying funnel, and the stirring rod is fixedly connected with an output shaft of the second motor.

Preferably, the bulk cargo device comprises a conveying pipe and a bulk cargo opening, wherein the upper end of the conveying pipe is sleeved at the lower end of the feed inlet, the conveying pipe is rotationally connected with the feed inlet, and the lower end of the conveying pipe is communicated with a plurality of bulk cargo openings distributed along the circumferential direction.

Preferably, a third motor is arranged on the right outer side wall of the conveying funnel, a gear is fixedly connected with the tail end of an output shaft of the third motor, a second gear ring is fixedly sleeved on the outer wall of the conveying pipe, and the second gear ring is meshed with the gear.

Preferably, the lower end of the bulk cargo opening is fixedly connected with a bulk cargo cover, and bulk cargo holes are uniformly formed in the lower end of the bulk cargo cover.

The beneficial effects of the utility model are as follows:

the powder additive can be scattered and screened in advance through the feeding box, so that the agglomerated additive is prevented from entering the concrete mixer, the quality of concrete mixing is influenced, and the subsequent stirring of the concrete powder additive in the concrete is accelerated; the powder additive is further stirred uniformly and dispersed through the arranged conveying hopper, so that the blockage of a feed inlet can be prevented, and the effect of uniformly stirring a plurality of additives in advance is achieved under the condition that a plurality of powder additives are required to be added; through the rotation of the bulk cargo device along with the conveying pipe, the bulk cargo is rotated, so that the bulk cargo is uniform, the powder additive is prevented from being moved out and piled up, the uniform distribution of the powder additive in the concrete can be ensured to a certain extent, and the time required by mixing is reduced.

Drawings

FIG. 1 is a schematic view of a charging device according to the present utility model;

FIG. 2 is a perspective view of a break-up device according to the present utility model;

fig. 3 is a bottom view of the bulk head of the present utility model.

In the figure: 1. a charging box; 11. a screening cylinder; 12. a scattering device; 121. a rotating shaft; 122. scattering leaves; 1221. a frame; 1222. a cross bar; 1223. a vertical rod; 1224. a crushing port; 1225. scattering balls; 13. screening holes; 14. a first ring gear; 15. driven wheel; 16. a driving wheel; 17. a rotating wheel; 2. a delivery funnel; 21. a stirring rod; 3. a feed inlet; 4. a bulk device; 41. a material conveying pipe; 411. a second ring gear; 42. a bulk material port; 421. a bulk material cover; 422. and a bulk cargo hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 to 3, a feeding device for powder admixture for concrete, the feeding device comprises a feeding box 1, a conveying funnel 2 and a feeding port 3, wherein the upper end of the conveying funnel 2 is communicated with the feeding box 1, the lower part of the conveying funnel 2 is communicated with the upper end of the feeding port 3, the top end of the feeding box 1 is provided with an opening, the opening is provided with a corresponding top cover, a screening cylinder 11 is rotatably connected in the feeding box 1, the screening cylinder 11 is rotatably connected with a scattering device 12, the scattering device 12 comprises a rotating shaft 121 and scattering blades 122 fixed on one side of the rotating shaft 121, the left and right inner walls of the feeding box 1 are respectively provided with bearing seats, the rotating shaft 121 penetrates through the screening cylinder 11 and is connected with the bearing seats, the scattering blades 122 comprise a frame 1221, a plurality of cross bars 1222 and longitudinal bars 1223 fixed in the frame 1221, the lower side of the frame 1221 is fixedly connected with the rotating shaft 121, the cross bars 1222 and the longitudinal bars 1223 are mutually vertically and fixedly connected, the cross rod 1222 and the longitudinal rod 1223 are fixedly connected with a scattering ball 1225 at the joint, a plurality of crushing openings 1224 are formed between the cross rod 1222 and the longitudinal rod 1223, the opening sizes of the crushing openings 1224 are different, the top end of the screening cylinder 11 is provided with an inlet, the inlet is provided with a corresponding inlet cover, the outer wall of the screening cylinder 11 is uniformly provided with a screening hole 13, the left side end of the rotating shaft 121 is sleeved with a driven wheel 15, the left outer side wall of the screening cylinder 11 is provided with a first gear ring 14, the left inner side wall of the charging box 1 is provided with a first motor, the output shaft end of the first motor is sequentially provided with a driving wheel 16 and a rotating wheel 17 from left to right, a rotating belt is wound between the driving wheel 16 and the driven wheel 15, the upper side of the rotating wheel 17 is meshed with the first gear ring 14, the inside of the conveying funnel 2 is provided with a stirring rod 21, the left outer side wall of the conveying funnel 2 is provided with a second motor, the stirring rod 21 is fixedly connected with the output shaft of the second motor, the lower extreme intercommunication of feed inlet 3 has bulk cargo device 4, bulk cargo device 4 includes conveying pipe 41, bulk cargo mouth 42, conveying pipe 41 upper end cover is established at feed inlet 3 lower extreme, conveying pipe 41 rotates with feed inlet 3 to be connected, conveying hopper 2 right side lateral wall is provided with the third motor, third motor output shaft end fixedly connected with gear, conveying pipe 41 outer wall has fixedly cup jointed second ring gear 411, second ring gear 411 and gear engagement, conveying pipe 41 lower extreme intercommunication has a plurality of bulk cargo mouth 42 along circumference distribution, bulk cargo mouth 42 lower extreme fixedly connected with bulk cargo cover 421, bulk cargo hole 422 has evenly been seted up to bulk cargo cover 421's lower extreme.

When the powdery additive is required to be added, the top cover at the top end of the charging box 1 and the inlet cover at the top end of the screening cylinder 11 are opened, the top cover and the inlet cover are covered, then the first motor is started, when the driving wheel 16 rotates, the driven wheel 15 is driven by the rotating belt to rotate, and then the rotating shaft 121 is driven to rotate, the lower side edge of the frame 1221 is fixedly connected with the rotating shaft 121, so that the scattering blades 122 rotate and scatter the additive in the screening cylinder 11, scattering balls 1225 are fixed at the joint of the cross rod 1222 and the longitudinal rod 1223, so that the larger caking additive can be impacted and crushed, meanwhile, the structural strength of the cross rod 1222 and the longitudinal rod 1223 is also improved, the size of an opening of a crushing opening 1224 formed by the cross rod 1222 and the longitudinal rod 1223 is not uniform, further scattering and crushing effects can be obtained, and the scattered additive is more fully and uniformly; when the rotating wheel 17 rotates, the first gear ring 14 is driven to rotate, and then the screening cylinder 11 is driven to rotate, so that the aim of rotating the additive in the screening cylinder 11 is fulfilled, the rotating direction is opposite to the rotating direction of the scattering blades 122, the scattering effect of the scattering blades 122 on the additive in the screening cylinder 11 is further improved, and the phenomenon that the screening holes 13 on the surface of the screening cylinder 11 are blocked is avoided through continuous rotation of the screening cylinder 11.

The additive after stirring and scattering is thrown out from the screening hole 13 and falls into the conveying funnel 2, the second motor is started, the stirring rod 21 of the conveying funnel 2 starts stirring, further stirring and scattering of the powder additive can prevent the blocking of a feeding hole, the effect of stirring the various additives uniformly in advance is achieved under the condition that the various powder additives are required to be added, the third motor is started, the tail end of an output shaft of the third motor is fixedly connected with a gear for rotation, the gear is meshed with the second gear ring 411 to drive the second gear ring 411 to rotate, so that the conveying pipe 41 rotates, and when the additive is scattered out through the bulk material hole 422 at the lower end of the bulk material cover 421, the bulk material rotates along with the rotation of the conveying pipe 41, so that the bulk material is uniform, the accumulation of the additive is avoided, the uniform distribution of the powdery additive in concrete can be ensured to a certain extent, and the time required for mixing uniformity is reduced.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a concrete powder admixture feeding device which characterized in that: the feeding device comprises a feeding box (1), a conveying hopper (2) and a feeding hole (3), wherein the upper end of the conveying hopper (2) is communicated with the feeding box (1), the lower end of the conveying hopper (2) is communicated with the upper end of the feeding hole (3), an opening is formed in the top end of the feeding box (1), a corresponding top cover is arranged on the opening, a screening cylinder (11) is connected to the feeding box (1) in a rotating mode, the screening cylinder (11) is rotationally connected with a scattering device (12), the scattering device (12) comprises a rotating shaft (121) and scattering blades (122) fixed on one side of the rotating shaft, bearing seats are respectively arranged on the left inner wall and the right inner wall of the feeding box (1), the rotating shaft (121) penetrates through the screening cylinder (11) and is connected with the bearing seats, a first motor is arranged on the left inner side wall of the feeding box (1), the first motor can drive the rotating shaft (121) to rotate, the scattering blades (122) comprise a frame (1221) and a plurality of longitudinal rods (1223) and a plurality of longitudinal rods (1224) which are fixed in the frame, a plurality of longitudinal rods 1224 and a plurality of vertical rods 1222 (1222) are fixedly connected with the longitudinal rods 1222, the longitudinal rods 1222 (1222) are fixedly connected with the longitudinal rods (1222) and the longitudinal rods (1222) respectively formed between the longitudinal rods (1222) and the longitudinal rods, the screening device is characterized in that an inlet is formed in the top end of the screening barrel (11), a corresponding inlet cover is arranged at the inlet, screening holes (13) are uniformly formed in the outer wall of the screening barrel (11), and a bulk cargo device (4) is communicated with the lower end of the feeding hole (3).

2. A concrete powdery admixture feeding means according to claim 1, characterized in that: the size of the openings of the crushing openings (1224) is not uniform.

3. A concrete powdery admixture feeding means according to claim 2, characterized in that: and the joint of the cross rod (1222) and the longitudinal rod (1223) is fixedly connected with a scattering ball (1225).

4. A concrete powdery admixture feeding means according to claim 1, characterized in that: driven wheel (15) are sleeved on the left side end of the rotating shaft (121), a first gear ring (14) is arranged on the left outer side wall of the screening cylinder (11), a first motor is arranged on the left inner side wall of the charging box (1), a driving wheel (16) and a rotating wheel (17) are sequentially arranged on the output shaft end of the first motor from left to right, a rotating belt is wound between the driving wheel (16) and the driven wheel (15), and the upper side of the rotating wheel (17) is meshed with the first gear ring (14).

5. A concrete powdery admixture feeding means according to claim 1, characterized in that: the conveying hopper (2) is internally provided with a stirring rod (21), the left outer side wall of the conveying hopper (2) is provided with a second motor, and the stirring rod (21) is fixedly connected with an output shaft of the second motor.

6. A concrete powdery admixture feeding means according to claim 1, characterized in that: the bulk cargo device (4) comprises a conveying pipe (41) and a bulk cargo opening (42), wherein the upper end of the conveying pipe (41) is sleeved at the lower end of the feeding opening (3), the conveying pipe (41) is rotationally connected with the feeding opening (3), and a plurality of bulk cargo openings (42) distributed along the circumferential direction are communicated with the lower end of the conveying pipe (41).

7. A concrete powder admixture feeding apparatus according to claim 6, wherein: the right outer side wall of the conveying funnel (2) is provided with a third motor, the tail end of an output shaft of the third motor is fixedly connected with a gear, the outer wall of the conveying pipe (41) is fixedly sleeved with a second gear ring (411), and the second gear ring (411) is meshed with the gear.

8. A concrete powder admixture feeding apparatus according to claim 7, wherein: bulk cargo cover (421) is fixedly connected to the lower end of bulk cargo opening (42), and bulk cargo holes (422) are uniformly formed in the lower end of bulk cargo cover (421).