Quantitative feeding mechanism of water reducing agent mixing device

By designing a weighing platform and a detachable conveyor cylinder structure, the cleaning problem of the quantitative feeding mechanism when changing powdered raw materials was solved, realizing accurate addition and efficient cleaning of water-reducing agent and ensuring mixing quality.

CN223861693UActive Publication Date: 2026-02-03HENAN XINXING BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202520423082.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-03
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing quantitative feeding mechanisms have difficulty cleaning residues when changing powdered raw materials, which affects the quality of water-reducing agents.

Method used

A quantitative feeding mechanism was designed, comprising a weighing platform, a conveying cylinder, a receiving box, a stirring assembly, and a driving mechanism. The weight of the powdered raw material is recorded by weighing, and the addition of the raw material is controlled by a drive motor and a cylinder. The detachable structure facilitates cleaning and ensures a cleanliness effect.

Benefits of technology

It enables accurate addition and cleaning of powdered raw materials, facilitates cleaning, and ensures the quality and mixing effect of water-reducing agents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of water reducing agent processing, and discloses a quantitative feeding mechanism of a water reducing agent mixing device.The quantitative feeding mechanism comprises a mixing tank, a feeding port, a water inlet pipe, a discharging valve, a stirring assembly, a weighing table, a mounting plate, a conveying barrel and an L-shaped plate, the conveying barrel is provided with an output port, an input port, a containing box and a mounting column, and a rotating hole is formed in the mounting column; a rotating shaft is rotationally arranged in the rotating hole, a spiral blade is arranged on the rotating shaft, a first connecting block is arranged at one end of the rotating shaft, a first square hole is formed in the first connecting block, a driving motor is arranged on the mounting plate, a second connecting block is arranged on an output shaft of the driving motor, and a first square rod is arranged on the second connecting block. The L-shaped plate is separated from the mounting plate, then the conveying cylinder slides to enable the first square rod to be separated from the first square hole, the conveying cylinder can be taken down, then the mounting column is rotated to enable the mounting column, the rotating shaft and the spiral blade to be separated from the conveying cylinder, the interior of the conveying cylinder and the spiral blade are conveniently cleaned, and the cleaning effect is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water reducing agent processing technical field, especially in water reducing agent mixing arrangement's ration feeding mechanism. BACKGROUND

[0002] Water reducing agent is a kind of concrete additive that can reduce the water quantity of mixing under the condition of maintaining the slump of concrete basically unchanged. Most of them are anionic surfactants, such as lignosulfonate, naphthalenesulfonate formaldehyde polymer, etc. After adding to concrete mixture, they have dispersing effect on cement particles, can improve the workability, reduce the unit water quantity, improve the fluidity of concrete mixture; or reduce the unit cement quantity, save cement. Water reducing agent is divided into water agent and powder, and water agent form water reducing agent needs to use mixing device to mix liquid raw materials with various powdery raw materials. The ration feeding mechanism of water reducing agent mixing device is usually used to ensure the accuracy of the addition of water reducing agent powdery raw materials.

[0003] At present, the existing ration feeding mechanism is usually in a fixed state, so when producing different types of water reducing agent and replacing powdery raw materials are needed, it is difficult to clean the old powdery raw materials remaining in the ration feeding mechanism, so it is difficult to ensure the quality of water reducing agent. UTILITY MODEL CONTENT

[0004] In order to solve the above problems, the utility model provides a ration feeding mechanism of water reducing agent mixing device.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a ration feeding mechanism of water reducing agent mixing device, including mixing tank, the mixing tank top side is equipped with feed inlet, the mixing tank jar body upper side is connected with water inlet pipe, the lower side is equipped with discharge valve, the mixing tank is equipped with stirring assembly, the mixing tank top is equipped with weighing platform, the weighing platform mesa is equipped with mounting plate horizontally, the mounting plate top is equipped with conveying cylinder horizontally, the conveying cylinder both sides are equipped with L-shaped plate, the L-shaped plate is detachably connected with mounting plate, the conveying cylinder corresponds feed inlet and is equipped with output port, the conveying cylinder upper part is equipped with input port away from output port side, the conveying cylinder is equipped with containing box at input port, the conveying cylinder is equipped with internal thread on the inner wall away from discharge port side, the conveying cylinder is spirally equipped with mounting column through internal thread, the mounting column is concentrically equipped with rotating hole, the rotating hole is rotatably equipped with rotating shaft, the rotating shaft is equipped with helical blade on the shaft in the conveying cylinder, the rotating shaft is equipped with first connecting block away from helical blade end, the first connecting block is equipped with first square hole, the mounting plate is equipped with driving motor horizontally, the driving motor output shaft is equipped with second connecting block, the second connecting block is equipped with first square rod corresponding first square hole, the first square rod is matched with first square hole.

[0006] By adopting the technical scheme, the weighing table, the conveying cylinder and the containing box are arranged, the containing box is used for storing the powdery raw material, the powdery raw material enters the conveying cylinder through the input port, and the weighing table records the weight after the powdery raw material is placed in the containing box. When the water reducing agent needs to be mixed, the second connecting block and the first square rod are driven to rotate by the driving motor, the first connecting block, the rotating shaft and the spiral blade are driven to rotate, the powdery raw material in the conveying cylinder is pushed towards the output port, the powdery raw material falls into the feeding port and then reaches the mixing tank from the output port, and the weighing table records the weight of the added powdery raw material. When the conveying cylinder needs to be cleaned, the L-shaped plate is separated from the mounting plate, then the conveying cylinder is slid to separate the first square rod from the first square hole, the conveying cylinder can be removed, then the mounting column is rotated to separate the mounting column, the rotating shaft, the spiral blade and the conveying cylinder, the inside of the conveying cylinder and the spiral blade are cleaned, the cleaning effect is ensured, and the quality of the water reducing agent is ensured.

[0007] Further, a blocking ring is slidably arranged on the conveying cylinder, a driving cylinder is horizontally arranged on the mounting plate, and a piston rod of the driving cylinder is connected with the blocking ring.

[0008] By adopting the technical scheme, the blocking ring and the driving cylinder are arranged, after the powdery raw material is added to a specified weight, the driving cylinder drives the blocking ring to slide, so that the blocking ring completely blocks the output port, and the powdery raw material near the output port is prevented from falling off from the output port to cause inaccurate proportioning of the water reducing agent.

[0009] Further, a clamping column is arranged at the lower part of the blocking ring, a fixing seat is arranged on the mounting plate, a second square hole is horizontally arranged on the fixing seat, a second square rod is slidably arranged in the second square hole, one end of the second square rod is connected with the piston rod of the driving cylinder, the other end of the second square rod is provided with a moving block, a clamping groove is arranged on the moving block, and the clamping groove is matched with the clamping column.

[0010] By adopting the technical scheme, the clamping column, the fixing seat, the second square rod and the moving block are arranged, the driving cylinder drives the second square rod to slide to drive the moving block to slide, so as to drive the clamping column and the blocking ring to move, and the clamping column and the clamping groove are separated when cleaning is needed.

[0011] Further, two limiting rings are arranged on the conveying cylinder at intervals, a guide rod is arranged between the two limiting rings, and the blocking ring is slidably connected with the guide rod through a guide hole.

[0012] By adopting the technical scheme, the limiting ring and the guide rod are arranged, the movement range of the blocking ring is limited by the limiting ring, and the guide rod ensures that the blocking ring can only slide and cannot rotate, so as to limit the position of the clamping column.

[0013] Further, the vertical section of the L-shaped plate is connected with the conveying cylinder, and a through hole is formed in the horizontal section; a threaded hole is formed in the mounting plate corresponding to the through hole, and a bolt is screwed into the threaded hole through the through hole to connect the L-shaped plate with the mounting plate.

[0014] By adopting the technical scheme, the through hole is arranged, and the L-shaped plate can be separated from the mounting plate by unscrewing the bolt.

[0015] Further, two guide strips are arranged on the mounting plate at intervals, and the distance between the guide strips is consistent with the distance between the outer ends of the L-shaped plates on the two sides of the conveying cylinder.

[0016] By adopting the technical scheme, the two guide strips are arranged on the mounting plate at intervals, and the position of the L-shaped plate is limited during installation, thereby facilitating the installation.

[0017] Further, the mixing tank is provided with a feeding pipe at the feeding port.

[0018] By adopting the technical scheme, the feeding pipe is arranged at the feeding port of the mixing tank, and the powdery raw material falling from the output port can fall into the mixing tank.

[0019] Further, the stirring assembly comprises a rotating shaft vertically arranged in the mixing tank, a plurality of stirring blades are arranged on the rotating shaft, a mounting seat is arranged at the bottom of the mixing tank, a rotating motor is vertically arranged on the mounting seat, and the lower end of the rotating shaft penetrates through the bottom of the mixing tank and is connected with the output shaft of the rotating motor.

[0020] By adopting the technical scheme, the rotating shaft, the stirring blades, the mounting seat and the rotating motor are arranged, the rotating motor drives the rotating shaft to rotate, and the rotating shaft drives the stirring blades to rotate, thereby ensuring that the liquid raw material and the powdery raw material in the mixing tank are fully stirred.

[0021] In summary, the utility model has the following beneficial effects: the mixing tank, the weighing table, the conveying cylinder and the containing box are arranged, the containing box is used for storing the powdery raw material, the powdery raw material enters the conveying cylinder through the input port, and the weighing table records the weight after the powdery raw material is placed in the containing box. When the water reducing agent needs to be mixed, the second connecting block and the first square rod are driven to rotate by the driving motor, the first connecting block, the rotating shaft and the spiral blade are driven to rotate, the powdery raw material in the conveying cylinder is pushed towards the output port, the powdery raw material falls into the feeding port and then reaches the mixing tank from the output port, and the weighing table records the weight of the added powdery raw material. When the conveying cylinder needs to be cleaned, the L-shaped plate is separated from the mounting plate, then the conveying cylinder is slid to separate the first square rod from the first square hole, the conveying cylinder is taken down, then the mounting column, the rotating shaft and the spiral blade are separated from the conveying cylinder, the interior of the conveying cylinder and the spiral blade are cleaned, the cleaning effect is ensured, and the quality of the water reducing agent is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is the whole structure schematic view of the embodiment of the utility model;

[0023] Figure 2 is the internal structure schematic view of the embodiment of the utility model mixing tank;

[0024] Figure 3 is the structure schematic view of the embodiment of the utility model weighing platform, conveying cylinder;

[0025] Figure 4 is the structure schematic view of the embodiment of the utility model weighing platform, mounting plate;

[0026] Figure 5 is the structure schematic view of the embodiment of the utility model conveying cylinder;

[0027] Figure 6 is the structure schematic view of the embodiment of the utility model conveying cylinder another angle;

[0028] Figure 7 is the internal structure schematic view of the embodiment of the utility model conveying cylinder.

[0029] In the drawing: 10, mixing tank;11, water inlet pipe;12, discharge valve;13, feed pipe;20, stirring assembly;21, rotating shaft;22, stirring blade;23, mounting seat;24, rotating motor;30, weighing platform;31, mounting plate;32, threaded hole;33, guide strip;40, conveying cylinder;41, L-shaped plate;42, output port;43, containing box;44, mounting column;45, rotating shaft;46, helical blade;47, first connecting block;48, first square hole;49, through hole;50, drive motor;51, second connecting block;52, first square rod;60, blocking ring;61, drive cylinder;62, clamping column;63, fixed seat;64, second square rod;65, moving block;66, clamping groove;70, limiting ring;71, guide rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments; Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0031] As Figures 1-7As shown, the embodiment of the application discloses a quantitative feeding mechanism of a water reducing agent mixing device, which comprises a weighing table 30, a conveying cylinder 40 and a containing box 43. A feeding port is formed in one side of the top of a mixing tank 10. The mixing tank 10 is provided with a feeding pipe 13 at the feeding port, so that the powdery raw materials falling from an output port 42 can fall into the mixing tank 10. The upper side of the tank body of the mixing tank 10 is communicated with a water inlet pipe 11, and the lower side is provided with a discharge valve 12. The mixing tank 10 is provided with a stirring assembly 20. The weighing table 30 is arranged on the top of the mixing tank 10. A mounting plate 31 is horizontally arranged on the table top of the weighing table 30. The conveying cylinder 40 is horizontally arranged above the mounting plate 31. The conveying cylinder 40 is a cylinder body with one end open and the other end closed. Two L-shaped plates 41 are arranged on the two sides of the conveying cylinder 40. The L-shaped plates 41 are detachably connected with the mounting plate 31. The L-shaped plates 41 can be separated from the mounting plate 31, and then the conveying cylinder 40 can be taken off. The conveying cylinder 40 is provided with the output port 42 corresponding to the feeding port. An input port is arranged on the upper side of the conveying cylinder 40 away from the output port 42. The containing box 43 is arranged on the input port of the conveying cylinder 40. The containing box 43 is used for storing the powdery raw materials. The powdery raw materials enter the conveying cylinder 40 through the input port. The weighing table 30 records the weight after the powdery raw materials are put into the containing box 43. The inner wall of the side of the conveying cylinder 40 away from the discharge port is provided with an internal thread. The conveying cylinder 40 is spirally provided with a mounting column 44 through the internal thread. The mounting column 44 is concentric with the conveying cylinder 40. A rotating hole is concentrically formed in the mounting column 44. A rotating shaft 45 is rotatably arranged in the rotating hole. The rotating shaft 45 is concentric with the conveying cylinder 40. The rotating shaft 45 is provided with a spiral blade 46 on the shaft arranged in the conveying cylinder 40. The rotating shaft 45 drives the spiral blade 46 to rotate, and pushes the powdery raw materials in the conveying cylinder 40 towards the output port 42. The powdery raw materials fall into the feeding port from the output port 42 and then enter the mixing tank 10. The weighing table 30 records the weight of the added powdery raw materials. Then, the liquid raw materials enter the mixing tank 10 from the water inlet pipe 11, and the liquid raw materials and the powdery raw materials in the mixing tank 10 are stirred by the stirring assembly 20. When the conveying cylinder 40 needs to be cleaned, the L-shaped plates 41 are separated from the mounting plate 31. Then, the mounting column 44, the rotating shaft 45 and the spiral blade 46 are separated from the conveying cylinder 40, so that the interior of the conveying cylinder 40 and the spiral blade 46 can be cleaned, the cleaning effect is ensured, and the quality of the water reducing agent is ensured.

[0032] Specifically, the rotating shaft 45 is provided with a first connecting block 47 at one end away from the spiral blade 46, a first square hole 48 is horizontally formed on the first connecting block 47, a driving motor 50 is horizontally arranged on the mounting plate 31, a second connecting block 51 is arranged on the output shaft of the driving motor 50, a first square rod 52 is arranged on the second connecting block 51 corresponding to the first square hole 48, the first square rod 52 is matched with the first square hole 48, the driving motor 50 drives the second connecting block 51 and the first square rod 52 to rotate, thereby driving the first connecting block 47 and the rotating shaft 45 to rotate, after the L-shaped plate 41 is separated from the mounting plate 31, the sliding conveying cylinder 40 is slid, so that the first square rod 52 is separated from the first square hole 48.

[0033] When arranged, the blocking ring 60 is slidably sleeved on the conveying cylinder 40, the driving cylinder 61 is horizontally arranged on the mounting plate 31, the piston rod of the driving cylinder 61 is connected with the blocking ring 60, after the powdered raw material is added to a specified weight, the driving cylinder 61 drives the blocking ring 60 to slide, so that the blocking ring 60 completely blocks the output port 42, thereby avoiding that the powdered raw material near the output port 42 collapses and falls from the output port 42, so as to cause the water reducing agent to be not accurately proportioned. The blocking ring 60 is provided with a clamping column 62 at the lower part, the mounting plate 31 is provided with a fixing seat 63, a second square hole is horizontally formed on the fixing seat 63, a second square rod 64 is slidably arranged in the second square hole, one end of the second square rod 64 is connected with the piston rod of the driving cylinder 61, the other end is provided with a moving block 65, the driving cylinder 61 drives the second square rod 64 to slide, thereby driving the moving block 65 to slide. The moving block 65 is provided with a clamping groove 66, the clamping groove 66 is matched with the clamping column 62, the moving block 65 slides, thereby driving the clamping column 62 and the blocking ring 60 to move, when cleaning is needed, the conveying cylinder 40 is moved, the clamping column 62 is separated from the clamping groove 66. Two limiting rings 70 are arranged on the conveying cylinder 40 at intervals, the limiting rings 70 limit the moving area of the blocking ring 60. A guide rod 71 is arranged between the two limiting rings 70, the blocking ring 60 is slidably connected with the guide rod 71 through a guide hole, the guide rod 71 ensures that the blocking ring 60 can only slide and cannot rotate, thereby limiting the position of the clamping column 62.

[0034] The vertical section of the L-shaped plate 41 is connected with the conveying cylinder 40, a through hole 49 is formed on the horizontal section, a threaded hole 32 is formed on the mounting plate 31 corresponding to the through hole 49, a screw is screwed into the threaded hole 32 through the through hole 49, thereby connecting the L-shaped plate 41 with the mounting plate 31, the L-shaped plate 41 can be separated from the mounting plate 31 by unscrewing the screw. Two guide strips 33 are arranged on the mounting plate 31 at intervals, the distance between the guide strips 33 is consistent with the distance between the outer ends of the L-shaped plates 41 on both sides of the conveying cylinder 40, when mounted, the position of the L-shaped plate 41 is limited, thereby facilitating the installation.

[0035] Specifically, the stirring assembly 20 comprises a rotating shaft 21 vertically arranged in the mixing tank 10, a plurality of stirring blades 22 are arranged on the rotating shaft 21, a mounting seat 23 is arranged at the bottom of the mixing tank 10, a rotating motor 24 is vertically arranged on the mounting seat 23, the lower end of the rotating shaft 21 penetrates through the bottom of the mixing tank 10 and is connected with the output shaft of the rotating motor 24, the rotating motor 24 drives the rotating shaft 21 to rotate, thereby driving the stirring blades 22 to rotate, so that the liquid raw material and the powder raw material in the mixing tank 10 are fully stirred.

[0036] The use principle of the quantitative feeding mechanism of the water reducing agent mixing device in the embodiment is as follows:

[0037] The powder raw material is added into the containing box 43, and the weighing table 30 records the weight after the powder raw material is placed in the containing box 43. The powder raw material enters the conveying cylinder 40 through the input port, and when the water reducing agent needs to be mixed, the second connecting block 51 and the first square rod 52 are driven to rotate by the driving motor 50, thereby driving the first connecting block 47, the rotating shaft 45 and the spiral blade 46 to rotate, and the powder raw material in the conveying cylinder 40 is pushed towards the output port 42. The powder raw material falls into the feeding port and then reaches the mixing tank 10, and the weighing table 30 records the weight of the added powder raw material. After the powder raw material is added to the specified weight, the driving cylinder 61 drives the second square rod 64, the moving block 65, the clamping column 62 and the blocking ring 60 to move, so that the blocking ring 60 completely blocks the output port 42, thereby avoiding the powder raw material near the output port 42 from falling off the output port 42 and causing inaccurate water reducing agent proportioning. Then, the rotating motor 24 is started to drive the rotating shaft 45 to rotate, thereby driving the stirring blades 22 to rotate, so that the liquid raw material and the powder raw material in the mixing tank 10 are fully stirred.

[0038] When the conveying cylinder 40 needs to be cleaned, the screw is unscrewed, then the conveying cylinder 40 is slid to separate the first square rod 52 from the first square hole 48, and then the conveying cylinder 40 is moved upwards to separate the clamping column 62 from the clamping groove 66, so that the conveying cylinder 40 can be removed. Then, the mounting column 44, the rotating shaft 45 and the spiral blade 46 are separated from the conveying cylinder 40, so that the interior of the conveying cylinder 40 and the spiral blade 46 can be cleaned, the cleaning effect is ensured, and the quality of the water reducing agent is ensured.

[0039] The preferred embodiments of the utility model are described above, the protection scope of the utility model is not limited to the above-mentioned embodiments only, any technical scheme falling within the concept of the utility model belongs to the protection scope of the utility model. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the utility model can also be considered as the protection scope of the utility model.

Claims

1. A quantitative feeding mechanism for a water-reducing agent mixing device, comprising a mixing tank (10), wherein a feed inlet is provided on one side of the top of the mixing tank (10), a water inlet pipe (11) is connected to the upper side of the mixing tank (10), and a discharge valve (12) is provided on the lower side, and a stirring assembly (20) is provided inside the mixing tank (10), characterized in that: The mixing tank (10) is provided with a weighing table (30) at the top, a mounting plate (31) is horizontally arranged on the table top of the weighing table (30), a conveying cylinder (40) is horizontally arranged above the mounting plate (31), L-shaped plates (41) are arranged on both sides of the conveying cylinder (40), the L-shaped plates (41) are detachably connected with the mounting plate (31), an output port (42) is formed in the conveying cylinder (40) corresponding to the feeding port, an input port is arranged on the upper part of the conveying cylinder (40) away from the output port (42), a containing box (43) is arranged on the conveying cylinder (40) at the input port, an internal thread is formed in the inner wall of the conveying cylinder (40) away from the output port, a mounting column (44) is screwedly arranged on the conveying cylinder (40) through the internal thread, a rotating hole is concentrically formed in the mounting column (44), a rotating shaft (45) is rotatably arranged in the rotating hole, helical blades (46) are arranged on the shaft of the rotating shaft (45) in the conveying cylinder (40), a first connecting block (47) is arranged on the end of the rotating shaft (45) away from the helical blades (46), a first square hole (48) is formed in the first connecting block (47), a driving motor (50) is horizontally arranged on the mounting plate (31), a second connecting block (51) is arranged on the output shaft of the driving motor (50), a first square rod (52) is arranged on the second connecting block (51) corresponding to the first square hole (48), and the first square rod (52) is matched with the first square hole (48).

2. The water-reducing agent mixing device of claim 1, wherein the quantitative feeding mechanism comprises a quantitative feeding device and a quantitative feeding device driving mechanism. A blocking ring (60) is slidably arranged on the conveying cylinder (40), a driving cylinder (61) is horizontally arranged on the mounting plate (31), and the piston rod of the driving cylinder (61) is connected with the blocking ring (60).

3. The water-reducing agent mixing device of claim 2, wherein the quantitative feeding mechanism comprises a quantitative feeding device and a quantitative feeding device driving mechanism. A clamping column (62) is arranged on the lower part of the blocking ring (60), a fixing seat (63) is arranged on the mounting plate (31), a second square hole is horizontally formed in the fixing seat (63), a second square rod (64) is slidably arranged in the second square hole, one end of the second square rod (64) is connected with the piston rod of the driving cylinder (61), the other end of the second square rod (64) is provided with a moving block (65), a clamping groove (66) is formed in the moving block (65), and the clamping groove (66) is matched with the clamping column (62).

4. The water-reducing agent mixing device of claim 3, wherein the quantitative feeding mechanism comprises a quantitative feeding device and a quantitative feeding device driving mechanism. Two limiting rings (70) are arranged on the conveying cylinder (40) at intervals, and a guide rod (71) is arranged between the two limiting rings (70).

5. The water-reducing agent mixing device of claim 1, wherein the quantitative feeding mechanism comprises a quantitative feeding device and a quantitative feeding device driving mechanism. The vertical section of the L-shaped plate (41) is connected with the conveying cylinder (40), a through hole (49) is formed in the horizontal section of the L-shaped plate (41), a threaded hole (32) is formed in the mounting plate (31) corresponding to the through hole (49), and the L-shaped plate (41) is connected with the mounting plate (31) by means of bolts penetrating through the through hole (49) and being screwed into the threaded hole (32).

6. The water-reducing agent mixing device of claim 5, wherein the quantitative feeding mechanism comprises a quantitative feeding device and a quantitative feeding device driving mechanism. Two guide strips (33) are arranged on the mounting plate (31) at intervals, and the distance between the guide strips (33) is consistent with the distance between the outer ends of the L-shaped plates (41) on both sides of the conveying cylinder (40).

7. The water-reducing agent mixing device of claim 1, wherein the quantitative feeding mechanism comprises a quantitative feeding device and a quantitative feeding device driving mechanism. The mixing tank (10) is provided with a feeding pipe (13) at the feeding port.

8. The water-reducing agent mixing device of claim 1, wherein the quantitative feeding mechanism comprises a quantitative feeding device and a quantitative feeding device driving mechanism. The stirring assembly (20) comprises a rotating shaft (21) vertically arranged in the mixing tank (10), a plurality of stirring blades (22) are arranged on the rotating shaft (21), a mounting base (23) is arranged at the bottom of the mixing tank (10), a rotating motor (24) is vertically arranged on the mounting base (23), and the lower end of the rotating shaft (21) penetrates through the bottom of the mixing tank (10) and is connected with the output shaft of the rotating motor (24).