CN218227236U - Multi-stage stirring device for high-mixing-amount recycled coarse aggregate concrete - Google Patents

Abstract

The utility model discloses a multi-stage stirring device for large-volume regenerated coarse aggregate concrete, including the agitator tank, agitator tank top one side is equipped with the feeder hopper, the agitator tank bottom is equipped with the discharging pipe, the utility model discloses a multi-stage stirring mechanism makes it when preparing large-volume regenerated coarse aggregate concrete, can realize multistage many batch stirring, ensures that the agitating unit can continue to work, reduces consuming time in the middle of each batch of concrete stirring, and this large-volume regenerated coarse aggregate concrete multi-stage stirring device can realize that many batch concrete continues to stir, and then improves the continuity of concrete multi-stage stirring device work, and reduces consuming time of concrete stirring, under the prerequisite of assurance concrete stirring quality, can effectively improve the efficiency of large-volume regenerated coarse aggregate concrete stirring; through the scraping assembly arranged, the inner wall of the stirring box is cleaned when the device stirs, and the cleaning is convenient while the resource waste is reduced.

Description

Multi-stage mixing device for large-volume recycled coarse aggregate concrete

technical field

The utility model relates to the technical field of concrete mixing equipment, in particular to a multistage mixing device for large-volume recycled coarse aggregate concrete.

Background technique

Concrete aggregate refers to the granular loose material that acts as a skeleton or filling in concrete. Coarse aggregate and fine aggregate. Coarse aggregate refers to pebbles and crushed stones, etc., and fine aggregate refers to natural sand and artificial sand. Among them, aggregates with a particle size greater than 4.75mm are called coarse aggregates, commonly known as stones. Aggregate with a particle size below 4.75mm is called fine aggregate, commonly known as sand. Concrete is a composite material formed by bonding fine aggregate and coarse aggregate with cement and hardening after a period of time. At present, large-volume recycled coarse aggregate concrete is generally prepared by recycling construction solid waste. In this paper, by optimizing the amount of recycled coarse aggregate and the type of cementitious material, the anti-chloride ion penetration and anti-freeze performance of large-volume recycled coarse aggregate concrete is enhanced, so that the concrete has strong performance, and then the high-volume concrete is improved. Service reliability of recycled coarse aggregate concrete.

Most of the existing large-volume recycled coarse aggregate concrete mixing devices are single-stage mixing. Generally, the next batch of concrete is mixed after the concrete is taken out after one mixing. However, the mixing process is time-consuming, resulting in the failure of the concrete mixing device Stirring continuity is poor, and seriously affects the mixing efficiency of high-durability and large-volume recycled coarse aggregate concrete, and most of the existing mixing mechanisms are stirred by connecting the stirring rod through the rotating shaft, the mixing method is relatively simple, and the effect is relatively poor.

Utility model content

The purpose of this utility model is to provide a multi-stage mixing device for large-volume recycled coarse aggregate concrete, so as to solve the problems raised in the above-mentioned background technology.

In order to solve the above-mentioned technical problems, the utility model provides the following technical proposal: a multi-stage mixing device for large-volume recycled coarse aggregate concrete, including a mixing box, a feeding hopper is provided on the top side of the mixing box, and the bottom of the mixing box is A discharge pipe is provided, and a multi-stage stirring mechanism is provided in the stirring box, and the multi-stage stirring mechanism includes a motor provided on one side of the feeding hopper on the top of the stirring box, and the output end of the motor is inserted into the stirring box and fixed A rotating shaft is connected, and the mixing box is located on the outside of the rotating shaft and is provided with a partition 1 and a partition 2 sequentially from top to bottom, and the top side of the partition 1 and the partition 2 is respectively provided with a butterfly valve 1 and a butterfly valve 2, Several scraping components are arranged symmetrically in the mixing box, and the scraping components are connected with a multi-stage stirring mechanism.

Further, the multi-stage stirring mechanism also includes a plurality of support rods, and a plurality of support rods are respectively symmetrically arranged on the side walls of the rotating shaft on both sides of the partition board between the top of the mixing box and the second partition board, and the first partition board A plurality of stirring rods are symmetrically arranged between the support rods provided on both sides and on both sides of the rotating shaft. A fixed plate is set under the second partition and on the outer wall of the rotating shaft. A transmission box is provided outside the rotating shaft at the bottom of the fixed plate. Rotating rods arranged obliquely are arranged symmetrically on both sides of the rotating shaft in the transmission box. The transmission box A pinion gear is set on the outer wall of the inner rotating rod, and a main gear matching the pinion gear is set between the pinion gears and on the outer wall of the rotating shaft, and several stirring rods are symmetrically arranged on the outer wall of the rotating rod below the transmission box. Two, the two sides of the transmission box in the mixing box are symmetrically provided with connecting rods, and the end of the connecting rod far away from the transmission box is connected to the scraper assembly. The pusher plate is symmetrically arranged. Through the use of the multi-stage stirring mechanism, it can continuously stir, and the stirring efficiency is higher, and the use is more convenient and trouble-free. At the same time, the rotating rod and the stirring rod follow the rotation of the rotating shaft for stirring. It can rotate in the opposite direction to the rotation of the rotating shaft, so that the stirring effect is better and the mixing effect is better, thereby improving the stirring efficiency.

Further, the scraper assembly includes a scraper seat, the scraper seat is fixedly connected with the support rod and the connecting rod respectively, a scraper plate is provided on the side of the scraper seat near the inner wall of the mixing box, and the scraper seat One end of the plate is inserted into the scraper seat and is connected with a push plate. A number of springs are symmetrically arranged on one side of the push plate in the scraper seat. Through the use of the scraper assembly, it can scrape off some concrete adhered to the inner wall of the mixing tank. While avoiding resource waste, it is convenient to clean up after use.

Further, a plurality of stirring rods are arranged in a circular equidistant array, and the stirring rods are fixedly connected to the rotating shaft, and a plurality of stirring rods are arranged in a cross shape to facilitate concrete mixing.

Further, the fixed plate is movably connected with the rotating shaft, the inner bottom of the transmission box is rotatably connected with the fixed plate, the rotating rod is movably connected with the transmission box, the auxiliary gear and the main gear are meshed, and the two rotating rods It is distributed in a figure-eight shape, and the fixed plate, the transmission box and the rotating rod are rotated around the rotating shaft through the pinion gear and the main gear, and the rotating rod can rotate on its own, so that the stirring effect is better.

Further, one end of the scraper is tangent to the inner wall of the mixing box, and the two ends of the spring are respectively fixedly connected with the scraper seat and the push plate, so as to clean the inner wall of the mixing box, and at the same time, the scraper is When subjected to a large resistance, it can move into the scraper seat, thereby extruding the spring to generate elastic force to buffer its force, so as to avoid hard damage to the mixing box and the scraper plate.

Compared with the prior art, the beneficial effects achieved by the utility model are:

1. The utility model is equipped with motor, rotating shaft, partition one, partition two, butterfly valve one, butterfly valve two, support rod, stirring rod one, pushing plate, fixed plate, transmission box, rotating rod, pinion gear, The use of main gear and stirring rod 2 enables it to realize multi-stage and multi-batch mixing when preparing large-volume recycled coarse aggregate concrete, ensuring that the mixing device can continue to work and reducing the consumption of each batch of concrete mixing. At this time, the large-volume recycled coarse aggregate concrete multi-stage mixing device can realize continuous mixing of multiple batches of concrete, thereby improving the continuity of the concrete multi-stage mixing device, reducing the time-consuming concrete mixing, and ensuring the quality of concrete mixing. Under the premise, it can effectively improve the mixing efficiency of large-volume recycled coarse aggregate concrete;

2. Through the use of the scraper seat, scraper plate, push plate and spring, the utility model can clean the inner wall of the mixing box while the device is stirring, so as to reduce the waste of resources and facilitate cleaning after use. .

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional structure schematic diagram of the utility model;

Fig. 3 is the enlarged structural representation of A in Fig. 2 of the utility model;

Fig. 4 is a structural schematic diagram of the scraper assembly of the utility model;

In the figure: 1. Stirring box; 2. Feed hopper; 3. Discharge pipe; 4. Motor; 5. Rotating shaft; 6. Partition one; 7. Partition two; 8. Butterfly valve one; 10. Support rod; 11. Stirring rod one; 12. Scraper assembly; 13. Pushing plate; 14. Connecting rod; 15. Fixed plate; 16. Transmission box; Main gear; 20, stirring rod two; 21, scraper seat; 22, scraper plate; 23, push plate; 24, spring.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The multi-stage mixing device for large-volume recycled coarse aggregate concrete as shown in Figure 1-Figure 4 includes a mixing box 1, a feeding hopper 2 is provided on the top side of the mixing box 1, and a discharge pipe is provided at the bottom of the mixing box 1 3. The mixing box 1 is equipped with a multi-stage stirring mechanism, which includes a motor 4 provided on the side of the feeding hopper 2 on the top of the mixing box 1. The output end of the motor 4 is inserted into the mixing box 1 and is fixedly connected with a rotating shaft 5 , inside the mixing box 1 and located outside the rotating shaft 5, a partition 1 6 and a partition 2 7 are set sequentially from top to bottom, and the top side of the partition 1 6 and the partition 2 7 are respectively equipped with a butterfly valve 1 8 and a butterfly valve 2 9 , A number of scraper assemblies 12 are arranged symmetrically in the stirring box 1, and the scraper assemblies 12 are connected with a multi-stage stirring mechanism.

In this example, the multi-stage stirring mechanism also includes some struts 10, and between the top of the mixing box 1 and the second partition 7, some struts 10 are respectively symmetrically arranged on the side walls of the rotating shaft 5 on both sides of the partition one 6, and the partitions Between the struts 10 provided on both sides of a 6 and between the two sides of the rotating shaft 5, a number of agitating rods 11 are arranged symmetrically. The two are distributed symmetrically on both sides of the rotating shaft 5. The poles 10 provided on both sides of the partition 1 6 are connected to the scraper assembly 12 at the end far away from the rotating shaft 5. The bottom of the partition 2 7 in the mixing box 1 is located on the outer wall of the rotating shaft 5 Covered with a fixed plate 15, the outer side of the rotating shaft 5 at the bottom of the fixed plate 15 is provided with a transmission box 16, and the two sides of the rotating shaft 5 in the transmission box 16 are symmetrically provided with rotating rods 17 that are inclined. The pinion gear 18, between the pinion gears 18 and is located on the outer wall of the rotating shaft 5 is provided with the main gear 19 that is suitable for the pinion gear 18, and a plurality of stirring rods 20 are symmetrically arranged on the outer wall of the rotating rod 17 below the transmission box 16, and the stirring box 1 The two sides of the inner transmission box 16 are symmetrically provided with connecting rods 14, and the end of the connecting rod 14 away from the transmission box 16 is connected to the scraper assembly 12, and the two sides of the rotating shaft 5 on the top of the first partition 6 and the top of the second partition 7 of the mixing box 1 The pusher plate 13 is arranged symmetrically. The use of the pusher plate 13 can achieve a certain stirring effect, and at the same time, it can clean up the material on the top of the first partition 6 and the second partition 7, and at the same time push the material through the butterfly valve 1 8 or the butterfly valve 2 9. It flows into the next stage for stirring. Through the use of the multi-stage stirring mechanism, it can continuously stir, and the stirring efficiency is higher, and the use is more convenient and trouble-free. At the same time, the rotating rod 17 and the stirring rod 20 follow the rotation of the rotating shaft 5 for stirring. The rotating rod 17 can rotate in the direction opposite to that of the rotating shaft 5, so that the stirring effect is better and the stirring efficiency is improved.

In this example, the scraper assembly 12 includes a scraper seat 21, which is fixedly connected to the support rod 10 and the connecting rod 14 respectively. One end of the material plate 22 is inserted into the scraper seat 21 and is connected with a push plate 23. A number of springs 24 are symmetrically arranged on one side of the push plate 23 in the scraper seat 21. Through the use of the scraper assembly 12, it can adhere to the inner wall of the mixing box 1. Some of the attached concrete is scraped off to avoid waste of resources and facilitate cleaning after use.

In this example, a number of stirring rods 11 are arranged in a circular equidistant array, the stirring rods 11 are fixedly connected to the rotating shaft 5, and the stirring rods 11 are arranged in a cross shape to facilitate concrete mixing.

In this example, the fixed plate 15 is movably connected with the rotating shaft 5, the inner bottom of the transmission box 16 is rotatably connected with the fixed plate 15, and the rotating rod 17 is movably connected with the transmission box 16. In this example, the rotating rod 17 is rotatably connected with the transmission box 16 through a bearing , the pinion gear 18 and the main gear 19 are meshed, and the two rotating rods 17 are distributed in a figure-eight shape, and the fixing plate 15, the transmission box 16 and the rotating rod 17 are rotated around the rotating shaft 5 through the pinion gear 18 and the main gear 19, and at the same time Rod 17 can carry out autorotation, makes its stirring effect better.

In this example, one end of the scraper plate 22 is tangent to the inner wall of the mixing box 1, and the two ends of the spring 24 are respectively fixedly connected with the scraper seat 21 and the push plate 23, so as to clean the inner wall of the mixing box 1, and at the same time, through the spring 24, The scraper 22 can move into the scraper seat 21 when it is subjected to greater resistance, so that the extrusion spring 24 generates elastic force to buffer its force, so as to avoid hard damage to the mixing box 1 and the scraper 22 .

The working principle of the utility model: when in use, the materials for preparing large-volume recycled coarse aggregate concrete are poured into the mixing box 1 through the feed hopper 2, and the starting motor 4 drives the rotating shaft 5 to rotate, so that the rotating shaft 5 drives the support rod 10 Rotate with the stirring rod-11, and at the same time, the support rod 10 drives the scraper assembly 12 connected to it to rotate synchronously. Stir through the support rod 10 and the stirring rod-11 for preliminary mixing. After mixing for a period of time, open the butterfly valve-8 to make preliminary mixing The material flows into the bottom of the partition 1 6 and enters the middle of the mixing box 1 for secondary mixing. After mixing for a period of time, the butterfly valve 2 9 is opened to make the secondary mixed material flow into the lower part of the mixing box 1 under the partition 2 7 for further mixing. For the third mixing, the rotating shaft 5 drives the main gear 19 to rotate synchronously. At the same time, the main gear 19 meshes with the auxiliary gear 18 to transmit power, so that the auxiliary gear 18 drives the rotating rod 17 to rotate around the main gear 19, and then drives the fixed plate 15 and the transmission box. 16 and the stirring rod 20 rotate synchronously to stir the concrete material. At the same time, the rotating rod 17 rotates in the opposite direction to the rotating shaft 5 under the action of the pinion gear 18 and the main gear 19, so that the rotating rod 17 drives the stirring rod 20 to rotate and further Stir to make it generate shear force, thereby improving the mixing efficiency and making the mixing more uniform and better. The multi-stage mixing device for large-volume recycled coarse aggregate concrete can realize continuous mixing of multiple batches of concrete, thereby improving The multi-stage concrete mixing device can work continuously and reduce the time consumption of concrete mixing. On the premise of ensuring the quality of concrete mixing, it can effectively improve the mixing efficiency of large-volume recycled coarse aggregate concrete.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. The multi-stage stirring device for the large-mixing-amount recycled coarse aggregate concrete comprises a stirring box (1) and is characterized in that: agitator tank (1) top one side is equipped with feeder hopper (2), agitator tank (1) bottom is equipped with discharging pipe (3), be equipped with multistage rabbling mechanism in agitator tank (1), multistage rabbling mechanism includes motor (4) that agitator tank (1) top feeder hopper (2) one side was equipped with, the output of motor (4) inserts in agitator tank (1) and fixedly connected with pivot (5), just be located pivot (5) outside in agitator tank (1) and overlap in proper order by last under to and be equipped with baffle (6) and baffle two (7), baffle one (6) and baffle two (7) top one side are equipped with butterfly valve (8) and butterfly valve two (9) respectively, agitator tank (1) interior symmetry is equipped with a plurality of material subassemblies of scraping (12), just scrape material subassembly (12) and be connected with multistage rabbling mechanism.

2. The multi-stage stirring device for the high-volume recycled coarse aggregate concrete according to claim 1, which is characterized in that: the multistage stirring mechanism further comprises a plurality of supporting rods (10), the supporting rods (10) are symmetrically arranged on the side walls of the rotating shafts (5) on the two sides of the first partition plate (6) between the inner top of the stirring box (1) and the second partition plate (7), the stirring rods (11) are symmetrically arranged between the supporting rods (10) arranged on the two sides of the first partition plate (6) and on the two sides of the rotating shafts (5), one ends, far away from the rotating shafts (5), of the supporting rods (10) arranged on the two sides of the first partition plate (6) are connected with the scraping assembly (12), a fixing plate (15) is sleeved below the second partition plate (7) in the stirring box (1) and on the outer wall of the rotating shafts (5), the outer side of a rotating shaft (5) at the bottom of the fixing plate (15) is provided with a transmission box (16), the two sides of the rotating shaft (5) in the transmission box (16) are symmetrically provided with rotating rods (17) which are obliquely arranged, the outer wall of the rotating rod (17) in the transmission box (16) is sleeved with an auxiliary gear (18), a main gear (19) matched with the auxiliary gear (18) is sleeved between the auxiliary gears (18) and on the outer wall of the rotating shaft (5), a plurality of stirring rod II (20) are symmetrically arranged on the outer wall of the rotating rod (17) below the transmission box (16), the two sides of the transmission box (16) in the stirring box (1) are symmetrically provided with connecting rods (14), one end of the connecting rod (14) far away from the transmission box (16) is connected with the scraping component (12), and material pushing plates (13) are symmetrically arranged on the two sides of the rotating shaft (5) on the top of the partition plate I (6) and the top of the partition plate II (7) in the stirring box (1).

3. The multi-stage stirring device for the high-volume recycled coarse aggregate concrete according to claim 2, which is characterized in that: scrape material subassembly (12) including scraping material seat (21), scrape material seat (21) respectively with branch (10) and connecting rod (14) fixed connection, it is close to agitator tank (1) inside wall one side and is equipped with scrapes flitch (22) to scrape material seat (21), it inserts to scrape in material seat (21) and is connected with push pedal (23) to scrape flitch (22) one end, it is equipped with a plurality of springs (24) to scrape push pedal (23) one side symmetry in material seat (21).

4. The multi-stage stirring device for the high-volume recycled coarse aggregate concrete according to claim 2, which is characterized in that: a plurality of puddler (11) are circumference equidistance array mode and distribute the setting, puddler (11) and pivot (5) fixed connection.

5. The multi-stage stirring device for the high-volume recycled coarse aggregate concrete according to claim 2, which is characterized in that: fixed plate (15) and pivot (5) swing joint, bottom and fixed plate (15) rotate to be connected in transmission box (16), bull stick (17) and transmission box (16) swing joint, pinion (18) and master gear (19) mesh mutually, and two bull stick (17) are the splayed and distribute the setting.

6. The multi-stage stirring device for the high-volume recycled coarse aggregate concrete according to claim 3, which is characterized in that: one end of the scraping plate (22) is tangent to the inner side wall of the stirring box (1), and two ends of the spring (24) are respectively fixedly connected with the scraping seat (21) and the push plate (23).

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