Feeding device for polycarboxylate superplasticizer

Abstract

The utility model relates to the technical field of polycarboxylate superplasticizer preparation, and discloses a polycarboxylate superplasticizer feeding device which comprises a dosing barrel, the top of the dosing barrel is connected with a barrel cover, the top of the barrel cover is fixedly connected with a connecting column and a feeding pipe, one end of the connecting column is fixedly connected with a supporting frame, and the inner wall of the supporting frame is fixedly connected with a motor. An output shaft of the motor penetrates through the barrel cover and is fixedly connected with a connecting rod I; compared with the prior art, the feeding device has the advantages that scraps in a raw material bag, sediments or insoluble substances in raw materials and other impurities cannot be brought in in the feeding process, the blocking phenomenon in the filtering process is reduced, and the feeding device can operate continuously and efficiently; the polycarboxylate superplasticizer in the dosing barrel is fully mixed with other concrete raw materials; corrosion and abrasion of the residues to the inner wall of the feeding device are reduced, the service life of the feeding device for the polycarboxylate superplasticizer is prolonged, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of polycarboxylic acid water reducer preparation, in particular to a feeding device for polycarboxylic acid water reducer. Background Art

[0002] Polycarboxylate water reducer, also known as superplasticizer, is a concrete admixture with good comprehensive performance and environmental protection performance. Its core preparation principle is: a macromolecular surfactant with a comb-shaped structure is synthesized by free radical copolymerization of macromolecular compounds with sulfonic acid groups, carboxyl groups, amino groups and polyoxyethylene side chains in aqueous solution. The feeding device for polycarboxylate water reducer is a device specially used to accurately and efficiently feed polycarboxylate water reducer into the mixing equipment during the concrete production process. The existing feeding device for polycarboxylate water reducer is not equipped with a filter screen, and impurities and particles may be directly fed into the concrete, affecting the feeding accuracy and the quality of the concrete. The filter screen is easily blocked after long-term use, reducing the operating efficiency; the polycarboxylate water reducer cannot be fully mixed with the concrete raw materials after feeding, resulting in uneven distribution of the water reducer in the concrete; the accumulation of residues may lead to increased corrosion or wear of the inner wall of the feeding device, thereby shortening the service life of the equipment and increasing maintenance costs. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a feeding device for polycarboxylic acid water-reducing agent.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a feeding device for polycarboxylic acid water-reducing agent, comprising a feeding bucket, a bucket cover is connected to the top of the feeding bucket, a connecting column and a feeding pipe are fixedly connected to the top of the bucket cover, one end of the connecting column is fixedly connected to a support frame, a motor is fixedly connected to the inner wall of the support frame, the output shaft of the motor passes through the bucket cover and is fixedly connected to a connecting rod, a connecting block is fixedly sleeved on the outside of the connecting rod, a scraper is fixedly connected to the side of the connecting block, a filter is fixedly connected to the inner wall of the feeding bucket, and the filter is located below the scraper.

[0005] As a further description of the above technical solution:

[0006] A connecting sleeve is fixedly sleeved at the center of the filter screen, one end of the connecting rod passes through the connecting sleeve and is fixedly connected to a second connecting rod, and a stirring blade is fixedly connected to the side of the second connecting rod.

[0007] As a further description of the above technical solution:

[0008] The second connecting rod is externally fixedly sleeved with a second connecting block, and the second connecting block is side-fixedly connected with a connecting frame.

[0009] As a further description of the above technical solution:

[0010] The side of the connecting frame is fixedly connected with a second scraper, and the connecting frame and the second scraper are both provided with multiple groups.

[0011] As a further description of the above technical solution:

[0012] A discharge pipe is connected to the side of the bottom end of the medicine dispensing barrel, and a sealing cover is externally threadedly connected to one end of the discharge pipe.

[0013] As a further description of the above technical solution:

[0014] The top of the feed pipe is fixedly connected with a feed hopper.

[0015] As a further description of the above technical solution:

[0016] The stirring blades are provided in multiple groups.

[0017] The utility model has the following beneficial effects:

[0018] 1. In the utility model, a filter screen is arranged on the inner wall of the medicine feeding barrel to ensure that impurities such as debris from the raw material bag, sediment or insoluble matter in the raw material will not be brought into the feeding process. Then the motor is started, and the motor drives the scraper to rotate to clean the filter screen, which can continuously scrape off the solid impurities on the filter screen, reduce the blockage phenomenon in the filtering process, and enable the feeding device to operate continuously and efficiently.

[0019] 2. In the utility model, the rotation of the first connecting rod can drive the second connecting rod to rotate, and the second connecting rod drives the stirring blade to rotate, so as to fully mix the polycarboxylate water reducer and other concrete raw materials inside the dosing bucket to ensure that the components are evenly distributed, thereby avoiding the difference in concrete performance caused by uneven mixing.

[0020] 3. In the utility model, the connection rod 2 can also drive the connection frame to rotate while rotating, and the connection frame drives the scraper 2 to rotate to scrape the residues on the inner wall of the dosing barrel, thereby reducing the corrosion and wear of the inner wall of the dosing device by these residues, extending the service life of the dosing device for polycarboxylic acid water reducer, and reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a feeding device for a polycarboxylate water-reducing agent proposed in the utility model;

[0022] Figure 2 A cross-sectional view of a feeding device for a polycarboxylate water reducer proposed in the utility model Figure 1 ;

[0023] Figure 3A cross-sectional view of a feeding device for a polycarboxylate water reducer proposed in the utility model Figure 2 .

[0024] Legend:

[0025] 1. Dosing barrel; 2. Barrel cover; 3. Connecting column; 4. Support frame; 5. Motor; 6. Connecting rod 1; 7. Filter; 8. Connecting block 1; 9. Scraper 1; 10. Connecting sleeve; 11. Connecting rod 2; 12. Stirring blade; 13. Connecting block 2; 14. Connecting frame; 15. Scraper 2; 16. Discharge pipe; 17. Sealing cover; 18. Feed pipe; 19. Feed hopper. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figure 1-Figure 3 The utility model provides an embodiment: a feeding device for polycarboxylic acid water-reducing agent, comprising a medicine-feeding barrel 1, a barrel cover 2 is connected to the top of the medicine-feeding barrel 1, a connecting column 3 and a feeding pipe 18 are fixedly connected to the top of the barrel cover 2, one end of the connecting column 3 is fixedly connected to a support frame 4, a motor 5 is fixedly connected to the inner wall of the support frame 4, the output shaft of the motor 5 passes through the barrel cover 2 and is fixedly connected to a connecting rod 6, a connecting block 8 is fixedly sleeved on the outside of the connecting rod 6, a scraper 9 is fixedly connected to the side of the connecting block 8, a filter screen 7 is fixedly connected to the inner wall of the medicine-feeding barrel 1, and the filter screen 7 is located below the scraper 9.

[0028] A connecting sleeve 10 is fixedly sleeved at the center of the filter screen 7, one end of the connecting rod 16 passes through the connecting sleeve 10 and is fixedly connected to a connecting rod 2 11, a stirring blade 12 is fixedly connected to the side of the connecting rod 2 11, a connecting block 2 13 is fixedly sleeved on the outside of the connecting rod 2 11, a connecting frame 14 is fixedly connected to the side of the connecting block 2 13, a scraper 2 15 is fixedly connected to the side of the connecting frame 14, and multiple groups of connecting frames 14 and scraper 2 15 are provided. A discharge pipe 16 is connected to the side of the bottom end of the medicine barrel 1, and a sealing cover 17 is externally threadedly connected to one end of the discharge pipe 16 to prevent outflow during stirring and cause waste. A feed hopper 19 is fixedly connected to the top of the feed pipe 18 to improve the feeding efficiency. Multiple groups of stirring blades 12 are provided.

[0029] Working principle: a filter screen 7 is arranged on the inner wall of the medicine-dosing barrel 1 to ensure that impurities such as debris from the raw material bag, sediment or insoluble matter in the raw material will not be brought into the medicine-dosing process. Then the motor 5 is started, and the motor 5 drives the connecting rod 6 to rotate. The connecting rod 6 drives the scraper 9 to rotate through the connecting block 8. The scraper 9 rotates to clean the filter screen 7, which can continuously scrape off the solid impurities on the filter screen 7 and reduce the blockage phenomenon during the filtration process; the connecting rod 6 rotates and drives the connecting rod 2 11 to rotate. The connecting rod 2 11 drives the stirring blade 12 to rotate, and the polycarboxylate water-reducing agent and other concrete raw materials in the medicine-dosing barrel 1 are fully mixed; the connecting rod 2 11 rotates and drives the connecting frame 14 to rotate. The connecting frame 14 drives the scraper 2 15 to rotate, and the residues on the inner wall of the medicine-dosing barrel 1 are scraped, so as to reduce the corrosion and wear of these residues on the inner wall of the feeding device.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A feeding device for polycarboxylate water-reducing agent, comprising a feeding bucket (1), characterized in that: The top of the medicine barrel (1) is connected to a barrel cover (2), the top of the barrel cover (2) is fixedly connected to a connecting column (3) and a feeding pipe (18), one end of the connecting column (3) is fixedly connected to a support frame (4), the inner wall of the support frame (4) is fixedly connected to a motor (5), the output shaft of the motor (5) passes through the barrel cover (2) and is fixedly connected to a connecting rod (6), the outer part of the connecting rod (6) is fixedly sleeved with a connecting block (8), the side of the connecting block (8) is fixedly connected to a scraper (9), the inner wall of the medicine barrel (1) is fixedly connected to a filter screen (7), and the filter screen (7) is located below the scraper screen (9).

2. A feeding device for polycarboxylate water-reducing agent according to claim 1, characterized in that: A connecting sleeve (10) is fixedly sleeved at the center of the filter screen (7); one end of the connecting rod 1 (6) passes through the connecting sleeve (10) and is fixedly connected to the connecting rod 2 (11); and a stirring blade (12) is fixedly connected to the side of the connecting rod 2 (11).

3. A feeding device for polycarboxylate water-reducing agent according to claim 2, characterized in that: The second connecting rod (11) is externally fixedly sleeved with a second connecting block (13), and the side surface of the second connecting block (13) is fixedly connected with a connecting frame (14).

4. A feeding device for polycarboxylate water-reducing agent according to claim 3, characterized in that: The side of the connecting frame (14) is fixedly connected with a second scraper (15), and the connecting frame (14) and the second scraper (15) are both provided with multiple groups.

5. The feeding device for polycarboxylate water-reducing agent according to claim 1, characterized in that: A discharge pipe (16) is connected to the side of the bottom end of the medicine dispensing barrel (1), and a sealing cover (17) is externally threadedly connected to one end of the discharge pipe (16).

6. A feeding device for polycarboxylate water-reducing agent according to claim 1, characterized in that: The top of the feeding pipe (18) is fixedly connected with a feeding hopper (19).

7. A feeding device for polycarboxylate water-reducing agent according to claim 2, characterized in that: The stirring blades (12) are provided in multiple groups.

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