阅读说明：本技术 一种混凝土减水剂制备工艺 (Preparation process of concrete water reducing agent ) 是由 冯艳萍 于涛 刘存兵 于 2021-08-10 设计创作，主要内容包括：本发明公开了一种混凝土减水剂制备工艺,包括以下步骤：S1、将需要烘干的混凝土减水剂适量放入动摩擦板和定摩擦板之间；S2、控制驱动组件一方面带动减水剂在定摩擦板上摩擦,另一方面将结块的减水剂可以被压碎；被搓成粉的减水剂会通过下料间隙落至承接组件上；同时烘干组件对减水剂进行干燥；S3、在动摩擦板运动至与定摩擦板平行时,控制清洁组件将动摩擦板和定摩擦板上附着的减水剂粉末刷下,并且扫下的减水剂落在烘干板上烘干,不造成浪费；S4、当烘干板对减水剂进行彻底烘干后,承接组件控制烘干板转动,完成减水剂生产；该混凝土减水剂制备工艺不仅操作简单,而且能够高效实现将结块减水剂搓成粉末。(The invention discloses a preparation process of a concrete water reducing agent, which comprises the following steps: s1, putting a proper amount of concrete water reducing agent to be dried between the dynamic friction plate and the fixed friction plate; s2, controlling the driving assembly to drive the water reducing agent to rub on the fixed friction plate on one hand, and crushing the agglomerated water reducing agent on the other hand; the water reducing agent which is kneaded into powder falls onto the bearing assembly through the blanking gap; meanwhile, the drying component dries the water reducing agent; s3, when the dynamic friction plate moves to be parallel to the fixed friction plate, the cleaning assembly is controlled to brush down the water reducer powder attached to the dynamic friction plate and the fixed friction plate, and the swept water reducer falls on the drying plate to be dried, so that waste is avoided; s4, when the drying plate thoroughly dries the water reducer, the bearing assembly controls the drying plate to rotate to complete the production of the water reducer; the preparation process of the concrete water reducing agent is simple to operate, and can efficiently realize the twisting of the caking water reducing agent into powder.)

1. A concrete water reducing agent preparation process uses crushing equipment, the crushing equipment comprises a rack, and the concrete water reducing agent preparation process is characterized in that a fixed friction plate vertically extends upwards from the right end of the rack, a movable friction plate and a driving assembly for driving the movable friction plate to move are arranged on the left side of the fixed friction plate on the rack, and a blanking gap is formed between the lower end of the movable friction plate and the fixed friction plate; a bearing assembly connected with the driving assembly is arranged right below the blanking gap in the rack; the dynamic friction plate, the fixed friction plate and the bearing assembly are all provided with a drying assembly; a cleaning component is arranged between the dynamic friction plate and the fixed friction plate on the frame; the preparation process of the concrete water reducing agent comprises the following steps:

s1, putting a proper amount of concrete water reducing agent to be dried between the dynamic friction plate and the fixed friction plate;

s2, controlling the driving assembly to drive the dynamic friction plate to move relative to the fixed friction plate so as to drive the water reducing agent to rub on the fixed friction plate, and controlling the dynamic friction plate to approach the fixed friction plate so that the agglomerated water reducing agent can be crushed and further be kneaded into powder; the water reducing agent which is kneaded into powder falls onto the bearing assembly through the blanking gap; the drying component dries the water reducing agent while the water reducing agent is subjected to powder rubbing, so that the water reducing agent is dried more thoroughly; the driving assembly drives the dynamic friction plate to move and simultaneously drives the bearing assembly to enable the powdery water reducing agent scattered from the blanking gap to be uniformly paved on the drying plate;

s3, when the dynamic friction plate moves to be parallel to the fixed friction plate, the water reducer agglomerates are completely rubbed into powder, the cleaning assembly is controlled to brush down the water reducer powder attached to the dynamic friction plate and the fixed friction plate, and the swept water reducer falls on the drying plate to be dried, so that waste is avoided;

s4, after the water reducing agent is thoroughly dried by the drying plate, the connection assembly controls the rotation of the drying plate, and a worker can collect and pack the water reducing agent at the outlet of the right end of the drying plate to complete the production of the water reducing agent.

2. The preparation process of the concrete water reducing agent according to claim 1, characterized in that the driving assembly comprises a double-shaft motor and a movable frame, and a left side plate parallel to the fixed friction plate extends upwards from the left end of the frame; the left side surface of the movable frame is symmetrically hinged with two first connecting rods, the other ends of the two first connecting rods are hinged on a left side plate, a parallelogram structure is formed among the left side plate, the movable frame and the two first connecting rods, and the left side plate and the left side surface of the movable frame are in parallel; the lower end of the dynamic friction plate is hinged at the right end of the dynamic frame; the double-shaft motor is fixedly arranged on the left side plate, a second connecting rod is fixedly arranged on a right output shaft of the double-shaft motor, the other end of the second connecting rod is hinged to the left side surface of the movable frame, and the second connecting rod is the same as the first connecting rod in structure; the double-shaft motor drives the movable frame to move through the second connecting rod when rotating; and the movable frame is provided with a transmission assembly for driving the movable friction plate to turn.

3. The preparation process of the concrete water reducing agent according to claim 2, wherein the transmission assembly comprises a transmission slide block, the transmission slide block is connected in a movable frame in a sliding manner along the left-right direction, a screw rod in threaded connection with the transmission slide block is connected in the movable frame in a rotating manner, and the screw rod drives the transmission slide block to move left and right in the movable frame when rotating; the upper end of the transmission sliding block is hinged with a third connecting rod, the other end of the third connecting rod is hinged to the left side of the dynamic friction plate, and the dynamic friction plate is pushed to turn towards the direction close to the fixed friction plate through the third connecting rod when the transmission sliding block moves rightwards; when the transmission slide block moves leftwards, the third connecting rod pulls the dynamic friction plate to turn over towards the direction far away from the fixed friction plate; the left end of the screw rod extends out of the movable frame and is fixedly provided with a first gear, and a second gear meshed with the first gear is arranged on the right side of the left side plate at the right output shaft of the double-shaft motor; the second connecting rod is hinged with the movable frame through the left end of the screw rod.

4. The preparation process of the concrete water reducing agent according to claim 3, characterized in that the receiving assembly comprises a movable plate, the left end of the frame is provided with two guide slide bars extending leftwards, and the movable plate is slidably connected between the two guide slide bars and is in a position parallel to the left side plate; the lower end of the movable plate is provided with a horizontal plate extending horizontally rightwards, the right end of the horizontal plate is hinged with a drying plate, the bottom of the horizontal plate close to the right end is hinged with a first electric push rod, and the telescopic end of the first electric push rod is hinged with the drying plate; when the first electric push rod is completely extended out, the drying plate and the horizontal plate are positioned in the same horizontal plane; when the first electric push rod is contracted, the outlet at the right end of the drying plate is turned downwards; a rotating plate is fixedly arranged on a left output shaft of the double-shaft motor, a ball at the eccentric position of the rotating plate is hinged with a fourth connecting rod, and the other end of the fourth connecting rod is hinged with a moving plate ball; when the rotating plate rotates, the fourth connecting rod drives the movable plate to reciprocate left and right.

5. The preparation process of the concrete water reducing agent according to claim 4, wherein a notch is formed in the machine frame close to the fixed friction plate and is located right below a blanking gap.

6. The preparation process of the concrete water reducer according to claim 1, wherein the cleaning assembly comprises a cleaning brush, the thickness of the cleaning brush is the same as the blanking gap, second electric push rods are fixedly arranged on the front side and the rear side of the fixed friction plate of the frame, the cleaning brush is attached to the fixed friction plate, and the front end and the rear end of the cleaning brush are respectively fixedly connected with the telescopic ends of the second electric push rods; the second electric push rod is used for controlling the cleaning brush to move up and down.

7. The preparation process of the concrete water reducing agent according to claim 1, wherein the drying assembly comprises a first heating plate, a second heating plate and a third heating plate, the first heating plate is fixedly arranged on the right side of the fixed friction plate, the second heating plate is fixedly arranged on the left side of the movable friction plate, and the third heating plate is fixedly arranged on the lower surface of the drying plate.

Technical Field

The invention relates to the technical field of concrete water reducing agent preparation, in particular to a preparation process of a concrete water reducing agent.

Background

The concrete water reducing agent is a concrete admixture capable of reducing the mixing water consumption under the condition of maintaining the slump constant of concrete, and most of the concrete water reducing agent belongs to anionic surfactants, such as lignosulfonate, naphthalene sulfonate formaldehyde polymer and the like. After the concrete mixture is added, the dispersion effect on cement particles is achieved, the workability of the concrete mixture can be improved, the unit water consumption is reduced, the fluidity of the concrete mixture is improved, or the unit cement consumption is reduced, and the cement is saved. The existing concrete water reducing agent often has a large amount of caking phenomena in the production process, and the drying effect is influenced when the water reducing agent is dried, so that the quality is influenced.

Disclosure of Invention

The invention aims to provide a preparation process of a concrete water reducing agent, which is simple to operate and can efficiently realize the twisting of an agglomerated water reducing agent into powder.

In order to achieve the purpose, the invention provides the following technical scheme: a preparation process of a concrete water reducing agent uses crushing equipment, the crushing equipment comprises a rack, a fixed friction plate vertically extends upwards from the right end of the rack, a dynamic friction plate and a driving assembly for driving the dynamic friction plate to move are arranged on the left side of the fixed friction plate on the rack, and a blanking gap is formed between the lower end of the dynamic friction plate and the fixed friction plate; a bearing assembly connected with the driving assembly is arranged right below the blanking gap in the rack; the dynamic friction plate, the fixed friction plate and the bearing assembly are all provided with a drying assembly; a cleaning component is arranged between the dynamic friction plate and the fixed friction plate on the frame; the preparation process of the concrete water reducing agent comprises the following steps:

s1, putting a proper amount of concrete water reducing agent to be dried between the dynamic friction plate and the fixed friction plate;

s2, controlling the driving assembly to drive the dynamic friction plate to move relative to the fixed friction plate so as to drive the water reducing agent to rub on the fixed friction plate, and controlling the dynamic friction plate to approach the fixed friction plate so that the agglomerated water reducing agent can be crushed and further be kneaded into powder; the water reducing agent which is kneaded into powder falls onto the bearing assembly through the blanking gap; the drying component dries the water reducing agent while the water reducing agent is subjected to powder rubbing, so that the water reducing agent is dried more thoroughly; the driving assembly drives the dynamic friction plate to move and simultaneously drives the bearing assembly to enable the powdery water reducing agent scattered from the blanking gap to be uniformly paved on the drying plate;

s3, when the dynamic friction plate moves to be parallel to the fixed friction plate, the water reducer agglomerates are completely rubbed into powder, the cleaning assembly is controlled to brush down the water reducer powder attached to the dynamic friction plate and the fixed friction plate, and the swept water reducer falls on the drying plate to be dried, so that waste is avoided;

s4, after the water reducing agent is thoroughly dried by the drying plate, the connection assembly controls the rotation of the drying plate, and a worker can collect and pack the water reducing agent at the outlet of the right end of the drying plate to complete the production of the water reducing agent.

Furthermore, the driving assembly comprises a double-shaft motor and a movable frame, and a left side plate parallel to the fixed friction plate extends upwards from the left end of the rack; the left side surface of the movable frame is symmetrically hinged with two first connecting rods, the other ends of the two first connecting rods are hinged on a left side plate, a parallelogram structure is formed among the left side plate, the movable frame and the two first connecting rods, and the left side plate and the left side surface of the movable frame are in parallel; the lower end of the dynamic friction plate is hinged at the right end of the dynamic frame; the double-shaft motor is fixedly arranged on the left side plate, a second connecting rod is fixedly arranged on a right output shaft of the double-shaft motor, the other end of the second connecting rod is hinged to the left side surface of the movable frame, and the second connecting rod is the same as the first connecting rod in structure; the double-shaft motor drives the movable frame to move through the second connecting rod when rotating; and the movable frame is provided with a transmission assembly for driving the movable friction plate to turn.

Furthermore, the transmission assembly comprises a transmission sliding block, the transmission sliding block is connected into the movable frame in a sliding mode along the left-right direction, a screw rod in threaded connection with the transmission sliding block is connected into the movable frame in a rotating mode, and the transmission sliding block is driven to move left and right in the movable frame when the screw rod rotates; the upper end of the transmission sliding block is hinged with a third connecting rod, the other end of the third connecting rod is hinged to the left side of the dynamic friction plate, and the dynamic friction plate is pushed to turn towards the direction close to the fixed friction plate through the third connecting rod when the transmission sliding block moves rightwards; when the transmission slide block moves leftwards, the third connecting rod pulls the dynamic friction plate to turn over towards the direction far away from the fixed friction plate; the left end of the screw rod extends out of the movable frame and is fixedly provided with a first gear, and a second gear meshed with the first gear is arranged on the right side of the left side plate at the right output shaft of the double-shaft motor; the second connecting rod is hinged with the movable frame through the left end of the screw rod.

Furthermore, the receiving assembly comprises a movable plate, the left end of the rack extends leftwards to be provided with two guide sliding rods, and the movable plate is connected between the two guide sliding rods in a sliding manner and is in parallel with the left side plate; the lower end of the movable plate is provided with a horizontal plate extending horizontally rightwards, the right end of the horizontal plate is hinged with a drying plate, the bottom of the horizontal plate close to the right end is hinged with a first electric push rod, and the telescopic end of the first electric push rod is hinged with the drying plate; when the first electric push rod is completely extended out, the drying plate and the horizontal plate are positioned in the same horizontal plane; when the first electric push rod is contracted, the outlet at the right end of the drying plate is turned downwards; a rotating plate is fixedly arranged on a left output shaft of the double-shaft motor, a ball at the eccentric position of the rotating plate is hinged with a fourth connecting rod, and the other end of the fourth connecting rod is hinged with a moving plate ball; when the rotating plate rotates, the fourth connecting rod drives the movable plate to reciprocate left and right.

Furthermore, a notch is formed in the machine frame and close to the fixed friction plate, and the notch is located right below the blanking gap.

Furthermore, the cleaning assembly comprises a cleaning brush, the thickness of the cleaning brush is the same as the blanking gap, second electric push rods are fixedly arranged on the front side and the rear side of the fixed friction plate of the frame, the cleaning brush is attached to the fixed friction plate, and the front end and the rear end of the cleaning brush are respectively fixedly connected with the telescopic ends of the second electric push rods; the second electric push rod is used for controlling the cleaning brush to move up and down.

Further, the stoving subassembly includes first hot plate, second hot plate, third hot plate, first hot plate fixed mounting is on the right side of deciding the friction plate, second hot plate fixed mounting is on the left side of moving the friction plate, third hot plate fixed mounting is on the lower surface of stoving board.

Advantageous effects

Compared with the prior art, the technical scheme of the invention has the following advantages:

1. the movable friction plate which is in a moving state and can be turned over is used, so that the water reducing agent with the agglomerates can be kneaded into powder before the water reducing agent is dried, and the water reducing agent is dried more uniformly;

2. by using the cleaning brush, the water reducing agent remained on the dynamic friction plate and the fixed friction plate can be swept down, and the automatic cleaning is realized, and no waste is caused;

3. the drying plate is driven to reciprocate left and right by the cooperation of the ball hinge and the rotating plate, so that powder formed by the caked water reducer and kneaded by the movable friction plate and the fixed friction plate can be uniformly scattered on the drying plate and can be paved, and the drying effect is improved;

4. through set up first hot plate on deciding the friction plate, set up the second hot plate on moving the friction plate for decide friction plate and move the friction plate and when becoming the powder with the caking water-reducing agent with the hands, also can dry the water-reducing agent, make the stoving effect more thorough.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

fig. 3 is a sectional view illustrating cleaning of a dynamic friction plate and a fixed friction plate according to the present invention.

Detailed Description

Referring to fig. 1-3, a concrete water reducing agent preparation process uses a crushing device, the crushing device includes a frame 1, a fixed friction plate 1a is vertically and upwardly extended from the right end of the frame 1, a movable friction plate 2 and a driving assembly for driving the movable friction plate 2 to move are arranged on the frame 1 on the left side of the fixed friction plate 1a, and a blanking gap 2a is formed between the lower end of the movable friction plate 2 and the fixed friction plate 1 a; a bearing assembly connected with the driving assembly is arranged right below the blanking gap 2a in the frame 1; the dynamic friction plate 2, the fixed friction plate 1a and the bearing assembly are all provided with a drying assembly; a cleaning component is arranged between the dynamic friction plate 2 and the fixed friction plate 1a on the frame 1; the preparation process of the concrete water reducing agent comprises the following steps:

s1, putting a proper amount of concrete water reducing agent to be dried between the dynamic friction plate 2 and the fixed friction plate 1 a;

s2, controlling the driving assembly to drive the dynamic friction plate 2 to move relative to the fixed friction plate 1a so as to drive the water reducing agent to rub on the fixed friction plate 1a, and controlling the dynamic friction plate 2 to approach the fixed friction plate 1a so that the agglomerated water reducing agent can be crushed and further be kneaded into powder; the water reducing agent which is kneaded into powder falls onto the bearing assembly through the blanking gap 2 a; the drying component dries the water reducing agent while the water reducing agent is subjected to powder rubbing, so that the water reducing agent is dried more thoroughly; the driving assembly drives the dynamic friction plate 2 to move and simultaneously drives the bearing assembly to ensure that the powdery water reducing agent scattered from the blanking gap 2a can be uniformly paved on the drying plate;

s3, when the dynamic friction plate 2 moves to be parallel to the fixed friction plate 1a, the water reducer agglomerates are completely rubbed into powder, the cleaning assembly is controlled to brush down the water reducer powder attached to the dynamic friction plate 2 and the fixed friction plate 1a, and the swept water reducer falls on the drying plate 16 to be dried, so that waste is avoided;

s4, after the water reducer is thoroughly dried by the drying plate 16, the connection assembly controls the drying plate 16 to rotate, and a worker can collect and pack the water reducer at the outlet at the right end of the drying plate 16 to complete the production of the water reducer.

The driving assembly comprises a double-shaft motor 10 and a movable frame 4, and a left side plate 101 parallel to the fixed friction plate 1a extends upwards from the left end of the frame 1; the left side surface of the movable frame 4 is symmetrically hinged with two first connecting rods 9a, the other ends of the two first connecting rods 9a are hinged on a left side plate 101, a parallelogram structure is formed among the left side plate 101, the movable frame 4 and the two first connecting rods 9a, and the left side surfaces of the left side plate 101 and the movable frame 4 are in parallel with each other; the lower end of the dynamic friction plate 2 is hinged at the right end of the dynamic frame 4; the double-shaft motor 10 is fixedly arranged on the left side plate 101, a second connecting rod 9b is fixedly arranged on a right output shaft of the double-shaft motor 10, the other end of the second connecting rod 9b is hinged to the left side surface of the movable frame 4, and the second connecting rod 9b and the first connecting rod 9a are identical in structure; when the double-shaft motor 10 rotates, the movable frame 4 is driven to move by the second connecting rod 9 b; and a transmission assembly for driving the dynamic friction plate 2 to turn over is arranged on the dynamic frame 4.

The transmission assembly comprises a transmission slide block 5, the transmission slide block 5 is connected in the movable frame 4 in a sliding mode along the left-right direction, a screw rod 6 in threaded connection with the transmission slide block 5 is connected in the movable frame 4 in a rotating mode, and the transmission slide block 5 is driven to move left and right in the movable frame 4 when the screw rod 6 rotates; the upper end of the transmission sliding block 5 is hinged with a third connecting rod 7, the other end of the third connecting rod 7 is hinged to the left side of the dynamic friction plate 2, and the dynamic friction plate 2 is pushed to turn towards the direction close to the fixed friction plate 1a through the third connecting rod 7 when the transmission sliding block 5 moves rightwards; when the transmission slide block 5 moves leftwards, the third connecting rod 7 pulls the dynamic friction plate 2 to turn towards the direction far away from the fixed friction plate 1 a; the left end of the screw rod 6 extends out of the movable frame 4 and is fixedly provided with a first gear 8, and the right side of the left side plate 101 is provided with a second gear 1d meshed with the first gear 8 at the right output shaft of the double-shaft motor 10; the second connecting rod 9b is hinged with the movable frame 4 through the left end of the screw rod 6.

The receiving assembly comprises a movable plate 131, the left end of the rack 1 extends leftwards to be provided with two guide sliding rods 1c, and the movable plate 131 is connected between the two guide sliding rods 1c in a sliding manner and is in parallel with the left side plate 101; the lower end of the movable plate 131 is provided with a horizontal plate 13 extending horizontally to the right, the right end of the horizontal plate 13 is hinged with a drying plate 16, the bottom of the horizontal plate 13 close to the right end is hinged with a first electric push rod 14, and the telescopic end of the first electric push rod 14 is hinged with the drying plate 16; when the first electric push rod 14 is completely extended, the drying plate 16 and the horizontal plate 13 are in the same horizontal plane; when the first electric push rod 14 is contracted, the outlet at the right end of the drying plate 16 is turned downwards; a rotating plate 11 is fixedly arranged on a left output shaft of the double-shaft motor 10, a fourth connecting rod 12 is hinged to an eccentric position of the rotating plate 11 through a ball, and the other end of the fourth connecting rod 12 is hinged to a movable plate 131 through a ball; when the rotating plate 11 rotates, the fourth connecting rod 12 drives the movable plate 131 to reciprocate left and right. A notch 1b is formed in the rack 1 at a position close to the fixed friction plate 1a, and the notch 1b is located right below the blanking gap.

The cleaning assembly comprises a cleaning brush 17, the thickness of the cleaning brush 17 is the same as the blanking gap, second electric push rods 18 are fixedly arranged on the front side and the rear side of a fixed friction plate 1a of the frame 1, the cleaning brush 17 is attached to the fixed friction plate 1a, and the front end and the rear end of the cleaning brush 17 are fixedly connected with the telescopic ends of the second electric push rods 18 respectively; the second electric push rod 18 is used for controlling the cleaning brush 17 to move up and down.

The stoving subassembly includes first hot plate 3b, second hot plate 3a, third hot plate 3c, first hot plate 3b fixed mounting is on the right side of deciding friction plate 1a, second hot plate 3a fixed mounting is on the left side of moving friction plate 2, third hot plate 3c fixed mounting is on the lower surface of stoving board 16.

In the above S2, when the driving assembly works, the dual-axis motor 10 is started, the second connecting rod 9b rotates around the right output shaft of the dual-axis motor 10, the two first connecting rods 9a are hinged to the movable frame 4 at one end and hinged to the left side plate 101 at the other end, so that the dual-axis motor 10 rotates to drive the movable frame 4 to perform a planar motion, thereby driving the movable friction plate 2 to move relative to the fixed friction plate 1a, further driving the water reducing agent to rub on the fixed friction plate 1a, the first gear 8 is engaged with the second gear 1d, so that the second connecting rod 9b drives the first gear 8 to rotate around the second gear 1d, the first gear 8 drives the lead screw 6 to rotate, and the transmission slide block 5 slides in the movable frame 4 due to the threaded fit between the transmission slide block 5 and the lead screw 6, so that the lead screw 6 rotates to drive the transmission slide block 5 to move rightward, and the movable friction plate 2 is pushed by the third connecting rod 7 to change the angle, approaching to the fixed friction plate 1a, so that the agglomerated water reducing agent can be crushed and further kneaded into powder; the water reducing agent which has been ground into powder falls through the blanking gap 2a onto the lower drying plate 16. When the water reducing agent is subjected to powder rubbing, the first heating plate 3b, the second heating plate 3a and the third heating plate 3c are simultaneously heated, so that the dynamic friction plate 2 and the fixed friction plate 1a can be simultaneously heated, and the water reducing agent is dried while being subjected to powder rubbing, so that the water reducing agent is dried more thoroughly; when the double-shaft motor 10 rotates, the rotating plate 11 is driven to rotate, because one end of the fourth connecting rod 12 is hinged with the rotating plate 11, the other end of the fourth connecting rod is hinged with the movable plate 131, the movable plate 131 is in sliding fit with the sliding guide rod 1c, the rotating plate 11 is driven to rotate, the drying plate 16 can be driven to do reciprocating motion through the movable plate 131 and the horizontal plate 13, the powdery water reducing agent scattered from the blanking gap 2a can be uniformly paved on the drying plate 16, and thorough drying is performed through heating of the third heating plate 3 c.

In the above S2, when the transmission slide block 5 drives the dynamic friction plate 2 to move to the position shown in fig. 3, the dual-shaft motor 10 stops rotating, the water reducing agent agglomerates are completely rubbed into powder, and at this time, the dynamic friction plate 2 and the fixed friction plate 1a are both tightly attached to the cleaning brush 17, when the cleaning assembly works, the second electric push rod 18 contracts to drive the cleaning brush 17 to move in the gap between the dynamic friction plate 2 and the fixed friction plate 1a, so as to brush down the water reducing agent powder attached to the dynamic friction plate 2 and the fixed friction plate 1a, thereby playing a cleaning role, and the swept water reducing agent falls on the drying plate 16 to be dried, so that no waste is caused.

In the aforesaid S5, when the stoving board 16 overturns, first electric putter 14 contracts, and the right-hand member export of drive stoving board 16 overturns downwards, and the right-hand member export of stoving board 16 descends, and the staff can collect the bagging-off with the water-reducing agent in the right-hand member exit of stoving board 16, accomplishes water-reducing agent production.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.