Water reducing agent conveying and accurate dropwise adding device

By introducing a scraper and gear mechanism into the water-reducing agent production unit, the problem of residue on the inner wall of the drip tube was solved, enabling precise dripping of additives and improving production efficiency and product quality.

CN224024975UActive Publication Date: 2026-03-24JU SUO BAO TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing water-reducing agent production equipment, additives are prone to remain on the inner wall of the dripping tube during the dripping process, resulting in inaccurate dripping amount and affecting the performance of the final product.

Method used

A precise dripping device for water-reducing agent delivery, comprising a scraper, rack and pinion mechanism, was designed. The scraper and sealing plate work together to ensure that the additive enters the dripping tube smoothly and scrapes off the residue on the inner wall of the dripping tube, thus achieving precise dripping.

Benefits of technology

This ensured the accuracy of additive dosage, improved production efficiency, and prevented product performance degradation due to residues.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a water reducing agent conveying and accurate dripping device which comprises a tank body, a top cover is fixedly installed on the inner wall of the tank body, a material storage tank is fixedly installed at the bottom of the top cover, a dripping pipe is fixedly installed at the bottom of the material storage tank, and a sealing plate is movably connected to the bottom wall of the material storage tank. According to the accurate dripping device for conveying the water reducing agent, the scraping plate, the rack and the first gear are arranged, when the scraping plate slides upwards and is in contact with a sealing ring at the bottom of the sealing plate, the sealing plate can be jacked upwards, so that a gap is formed between the storage tank and the dripping pipe, and an additive can smoothly flow into the dripping pipe; and when a scraping plate quickly slides downwards by utilizing a first spring, residual additives on the inner wall of a dropwise adding pipe can be quickly scraped into a mixture, so that the accuracy of the actual dosage of the additives dropwise added into the mixture is ensured, the influence on the final product performance is avoided, the aim of dropwise adding while stirring can be fulfilled by arranging a worm, and the practicability is high. And the production efficiency is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water reducing agent processing technical field, especially relate to a water reducing agent conveying precision drop adding device. BACKGROUND

[0002] Water reducing agent is the common admixture when preparing concrete, it can reduce the water consumption when concrete construction, reduces water cement ratio, improves concrete strength, shortens concrete curing age, guarantees engineering construction progress, makes concrete have long-term durability and corrosion resistance, the existing water reducing agent in the production process, especially when mixing operation, needs to control the dosage of additive;

[0003] Such as the utility model discloses a kind of for producing polycarboxylate water reducing agent drop adding premix tank, "including premix tank, and premix tank's surface is fixedly connected with chassis by support rod, the top of premix tank is fixedly installed with storage tank, the bottom of storage tank is provided with material drop adding mechanism, and premix tank is realized water reducing agent drop adding operation of material drop adding mechanism by being provided with up and down movement and rotating mixing stirring mechanism, the utility model relates to water reducing agent processing technical field.The drop adding premix tank for producing polycarboxylate water reducing agent, by being provided with material drop adding mechanism, reciprocating up and down movement is utilized to mixing stirring mechanism, realizes the contact operation of jacking rod and contact plate, to realize the intermittent opening of sealing ring and sealing plate, to complete the drop adding operation of quantitative additive, and realizes the synchronous operation of mixing and stirring and drop adding, to effectively improve the quality of processing product".

[0004] The above device realizes the operation of drop adding when using the gap between sealing plate and sealing ring, and realizes sealing again by reset spring, but when additive passes through from drop adding pipe, part of additive is left on the inner wall of drop adding pipe, so that the dosage of actually drop added into mixture is reduced, and the performance of final product is affected, for this reason, we propose a kind of water reducing agent conveying precision drop adding device. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a kind of water reducing agent conveying precision drop adding device, can effectively solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0007] A water-reducing agent delivery and precise dripping device includes a tank body. A top cover is fixedly installed on the inner wall of the tank body. A storage tank is fixedly installed at the bottom of the top cover. A dripping tube is fixedly installed at the bottom of the storage tank. A sealing plate is movably connected to the bottom wall of the storage tank, and a sealing ring is provided at the bottom of the sealing plate. A first movable rod is fixedly installed on the top of the sealing plate and is slidably connected to the inner wall of the top cover. A second movable rod is slidably connected to the inner wall of the first movable rod and is slidably connected to the inner wall of the sealing plate. A scraper is fixedly installed at the tail end of the second movable rod and is slidably connected to the inner wall of the dripping tube. A rack is fixedly installed on the inner wall of the second movable rod. A support block is fixedly installed on the top of the top cover. A worm gear is rotatably connected to one side of the support block. A first gear, which is a half gear, is fixedly installed at the front end of the worm gear. Two sets of first connecting blocks are fixedly installed on the outer surface of the front end of the second movable rod. A first spring is fixedly installed at the bottom of each set of first connecting blocks, and the tail end of the first spring is fixedly connected to the top of the top cover.

[0008] Preferably, two sets of second connecting blocks are fixedly installed on the outer surface of the front end of the first movable rod, and a second spring is fixedly installed at the bottom of each set of second connecting blocks, with the tail end of the second spring fixedly connected to the top of the top cover.

[0009] Preferably, the inner wall of the second movable rod is slidably engaged with a limiting block, and the tail end of the limiting block is fixedly connected to the top of the top cover, and a conveying pipe is fixedly installed on the inner wall of the top cover.

[0010] Preferably, the inner wall of the top cover is rotatably connected to a rotating shaft, and the tail end of the rotating shaft is rotatably connected to the bottom wall of the tank. A second gear is fixedly installed at the front end of the rotating shaft.

[0011] Preferably, a support frame is fixedly installed on the top of the top cover, and the tail end of the worm gear is rotatably connected to the inner wall of the support frame. A motor is fixedly installed on the top wall of the support frame, and the output end of the motor is fixedly connected to the front end of the rotating shaft.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In this invention, by setting a scraper, a rack, and a first gear, when the scraper slides upward and contacts the sealing ring at the bottom of the sealing plate, it can lift the sealing plate upward, creating a gap between the storage tank and the dripping tube, so that the additive can flow smoothly into the dripping tube. When the scraper slides down quickly using the first spring, it can quickly scrape the additive remaining on the inner wall of the dripping tube into the mixture, thereby ensuring the accuracy of the actual dosage added to the mixture and avoiding affecting the performance of the final product. By setting a worm gear, the purpose of adding additive while stirring can be achieved, effectively improving production efficiency. Attached Figure Description

[0014] Figure 1 It is the whole structure schematic view of the water reducing agent conveying precision dropping device of the utility model;

[0015] Figure 2 It is the inside structure schematic view of the tank of the water reducing agent conveying precision dropping device of the utility model;

[0016] Figure 3 It is the top cover structure schematic view of the water reducing agent conveying precision dropping device of the utility model;

[0017] Figure 4 It is the storage tank and dropping pipe structure schematic view of the water reducing agent conveying precision dropping device of the utility model;

[0018] Figure 5 It is the first movable rod and second movable rod split drawing of the water reducing agent conveying precision dropping device of the utility model.

[0019] In the drawing: 1, tank; 2, top cover; 3, storage tank; 4, dropping pipe; 5, sealing plate; 6, first movable rod; 7, second movable rod; 8, scraper; 9, rack; 10, support block; 11, worm; 12, first gear; 13, first connecting block; 14, first spring; 15, second connecting block; 16, second spring; 17, limit block; 18, rotating shaft; 19, second gear; 20, support frame; 21, motor; 22, conveying pipe. DETAILED DESCRIPTION

[0020] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] Embodiment one:

[0022] As Figures 1-5As shown, a water-reducing agent delivery precision drop device, including tank 1, the inner wall of tank 1 is fixedly installed with top cover 2, the bottom of top cover 2 is fixedly installed with storage tank 3, the bottom of storage tank 3 is fixedly installed with drop pipe 4, storage tank 3 and drop pipe 4 are communicated with each other, the bottom wall of storage tank 3 is movably connected with sealing plate 5, and the bottom of sealing plate 5 is provided with sealing ring, the top of sealing plate 5 is fixedly installed with first movable rod 6, and first movable rod 6 is slidably connected to the inner wall of top cover 2, the inner wall of first movable rod 6 is slidably connected with second movable rod 7, and second movable rod 7 is slidably connected to the inner wall of sealing plate 5, second movable rod 7 penetrates the inside of sealing plate 5 and first movable rod 6, and can move up and down along the inner wall of both, the tail end of second movable rod 7 is fixedly installed with scraper 8, and scraper 8 is slidably connected to the inner wall of drop pipe 4, the inner wall of second movable rod 7 is fixedly installed with rack 9, the top of top cover 2 is fixedly installed with supporting block 10, one side of supporting block 10 is rotatably connected with worm 11, the front end of worm 11 is fixedly installed with first gear 12, and first gear 12 is half gear, the toothed part of first gear 12 is engaged with rack 9, when first gear 12 rotates and engages with rack 9, it will drive second movable rod 7 to slide upwards, in turn drive scraper 8 to slide upwards along the inner wall of drop pipe 4, when scraper 8 contacts with the sealing ring at the bottom of sealing plate 5, it will lift sealing plate 5 upwards, so that a gap is generated between storage tank 3 and drop pipe 4, in turn make the additive stored in storage tank 3 flow smoothly into drop pipe 4, then added into the mixture, the outer surface of the front end of second movable rod 7 is fixedly installed with two groups of first connecting blocks 13, the bottom of two groups of first connecting blocks 13 is fixedly installed with first spring 14, and the tail end of first spring 14 is fixedly connected to the top of top cover 2, when second movable rod 7 slides upwards, it will drive first spring 14 to stretch, when first gear 12 and rack 9 are disengaged, first spring 14 rebounds, in turn drive second movable rod 7 to slide downwards quickly, at the same time, sealing plate 5 is also quickly slid downwards to reset under the action of gravity, so that storage tank 3 and drop pipe 4 are sealed again, when scraper 8 slides downwards quickly, it will scrape off the additive remaining on the inner wall of drop pipe 4, avoiding the problem of inaccurate dosage caused by residue;

[0023] The outer surface of the front end of the first movable rod 6 is fixedly provided with two groups of second connecting blocks 15, the bottom of each of the two groups of second connecting blocks 15 is fixedly provided with a second spring 16, and the tail end of the second spring 16 is fixedly connected to the top of the top cover 2. When the scraper plate 8 lifts the sealing plate 5 upward, the sealing plate 5 drives the first movable rod 6 to slide upward, thereby stretching the second spring 16. When the sealing plate 5 falls downward due to gravity, the second spring 16 can assist the sealing plate 5 to quickly fall downward. The inner wall of the second movable rod 7 is slidably connected with a limiting block 17, and the tail end of the limiting block 17 is fixedly connected to the top of the top cover 2. The limiting block 17 increases the stability of the upward and downward sliding of the second movable rod 7. The inner wall of the top cover 2 is fixedly provided with a conveying pipe 22, which is in communication with the inside of the storage tank 3, and is used for conveying the additive to be added into the storage tank 3. The inner wall of the top cover 2 is rotatably connected with a rotating shaft 18, and the tail end of the rotating shaft 18 is rotatably connected to the bottom wall of the tank body 1. A plurality of stirring blades are arranged on the rotating shaft 18. The front end of the rotating shaft 18 is fixedly provided with a second gear 19, which is meshed with the worm 11. When the rotating shaft 18 rotates to stir, the second gear 19 is driven to rotate, thereby driving the worm 11 to rotate, and then driving the first gear 12 to rotate, so as to realize the purpose of intermittent addition of a certain amount of additive while stirring.

[0024] It should be noted that the utility model is a kind of water-reducing agent conveying precision droping device, when using, additive is conveyed into storage tank 3 from conveying pipe 22, then control motor 21 is electrified, so that rotating shaft 18 and second gear 19 start to rotate, when rotating shaft 18 rotates, it will drive the stirring blade on its surface to rotate and stir the mixture in the tank, at the same time, under the linkage of worm 11 and second gear 19, first gear 12 is rotated, thereby, under the cooperation of rack 9 and first spring 14, sealing plate 5 and scraper plate 8 reciprocatingly move up and down, so as to realize the purpose of intermittent addition of a certain amount of additive, and when scraper plate 8 slides downward, the additive remaining on the inner wall of droping pipe 4 can be scraped off, avoiding the problem of inaccurate dosage caused by remaining.

[0025] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A precise dripping device for delivering water-reducing agent, comprising a tank (1), characterized in that: A top cover (2) is fixedly installed on the inner wall of the tank (1). A storage tank (3) is fixedly installed at the bottom of the top cover (2). A dripping tube (4) is fixedly installed at the bottom of the storage tank (3). A sealing plate (5) is movably connected to the bottom wall of the storage tank (3). A sealing ring is provided at the bottom of the sealing plate (5). A first movable rod (6) is fixedly installed on the top of the sealing plate (5). The first movable rod (6) is slidably connected to the inner wall of the top cover (2). A second movable rod (7) is slidably connected to the inner wall of the first movable rod (6). The second movable rod (7) is slidably connected to the inner wall of the sealing plate (5). A scraper is fixedly installed at the tail end of the second movable rod (7). (8), and the scraper (8) is slidably connected to the inner wall of the drip tube (4). The inner wall of the second movable rod (7) is fixedly installed with a rack (9). The top of the top cover (2) is fixedly installed with a support block (10). A worm gear (11) is rotatably connected to one side of the support block (10). A first gear (12) is fixedly installed at the front end of the worm gear (11). The first gear (12) is a half gear. Two sets of first connecting blocks (13) are fixedly installed on the outer surface of the front end of the second movable rod (7). A first spring (14) is fixedly installed at the bottom of both sets of first connecting blocks (13). The tail end of the first spring (14) is fixedly connected to the top of the top cover (2).

2. The water-reducing agent delivery and precise dripping device according to claim 1, characterized in that: Two sets of second connecting blocks (15) are fixedly installed on the outer surface of the front end of the first movable rod (6). A second spring (16) is fixedly installed at the bottom of each of the two sets of second connecting blocks (15), and the tail end of the second spring (16) is fixedly connected to the top of the top cover (2).

3. The water-reducing agent delivery and precise dripping device according to claim 1, characterized in that: The inner wall of the second movable rod (7) is slidably engaged with the limiting block (17), and the tail end of the limiting block (17) is fixedly connected to the top of the top cover (2). The inner wall of the top cover (2) is fixedly installed with a conveying pipe (22).

4. The water-reducing agent delivery and precise dripping device according to claim 1, characterized in that: The inner wall of the top cover (2) is rotatably connected to a rotating shaft (18), and the tail end of the rotating shaft (18) is rotatably connected to the bottom wall of the tank body (1). A second gear (19) is fixedly installed at the front end of the rotating shaft (18).

5. The water-reducing agent delivery and precise dripping device according to claim 1, characterized in that: A support frame (20) is fixedly installed on the top of the top cover (2), and the tail end of the worm (11) is rotatably connected to the inner wall of the support frame (20). A motor (21) is fixedly installed on the top wall of the support frame (20), and the output end of the motor (21) is fixedly connected to the front end of the rotating shaft (18).

Citation Information

Patent Citations

  • Dripping premixing tank for producing polycarboxylate superplasticizer

    CN220758963U