CN113680248A

CN113680248A - Paper pulp stirring device for production of coated white board paper

Info

Publication number: CN113680248A
Application number: CN202111042291.7A
Authority: CN
Inventors: 黄开伟; 洪雪中
Original assignee: Jiangsu Fuxing Paper Co ltd
Current assignee: Jiangsu Fuxing Paper Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2021-11-23

Abstract

The utility model provides a coating white board paper production is with paper pulp agitating unit, includes the box, and fixed mounting vertical axis in the box, the coaxial standpipe of installation several is rotated to the periphery of vertical axis, and the adjacent end of upper and lower adjacent standpipe passes through sealed bearing and rotates the connection, and fixed mounting can drive the positive and negative drive arrangement who turns to of standpipe of the top on the box, is equipped with first helical gear between the adjacent standpipe respectively, and first helical gear rotates and installs on vertical axis. The stirring plate can stir the paper pulp upwards and downwards, so that the collision mixing of the paper pulp layered on the upper side and the lower side is further increased, the paper pulp precipitation is reduced, the stirring plate can stir at a fixed angle, and the angle of the stirring plate is adjusted according to different stirring requirements.

Description

Paper pulp stirring device for production of coated white board paper

Technical Field

The invention belongs to the field of stirring devices, and particularly relates to a paper pulp stirring device for production of coated white board paper.

Background

At present the paper pulp of coating white board paper in process of production is in order to guarantee the quality of paper, need stir paper pulp, current unipolar puddler is because the stirring is revolved to unchangeably, form centrifugal force easily, lead to stirring efficiency to reduce, for avoiding forming centrifugal force, increase the baffle at the inner wall of agitator tank, thereby make the difficult clearance of agitator tank, current paper pulp agitating unit's (mixing) shaft need constantly reciprocate, avoid paper pulp to precipitate, lead to the structure complicacy, can't satisfy the actual demand, so we have invented a coating white board paper production and use paper pulp agitating unit.

Disclosure of Invention

The invention provides a paper pulp stirring device for producing coated white board paper, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a pulp stirring device for production of coated white board paper comprises a box body, wherein a vertical shaft is fixedly installed in the box body, a plurality of coaxial vertical pipes are rotatably installed on the periphery of the vertical shaft, the adjacent ends of the vertical pipes which are adjacent up and down are rotatably connected through a sealing bearing, a driving device capable of driving the vertical pipe on the uppermost side to rotate forward and backward is fixedly installed on the box body, first bevel gears are respectively arranged between the adjacent vertical pipes, the first bevel gears are rotatably installed on the vertical shaft, the upper side and the lower side of each first bevel gear are respectively provided with an annular bevel gear in a meshed fit mode, the annular bevel gears are respectively fixedly connected with the corresponding vertical pipes, and stirring plates which are symmetrical left and right are arranged on the periphery of the vertical pipes; bilateral symmetry's through groove is seted up to the periphery of standpipe, pass through the sealed rotation installation spliced pole of inslot, the outer end and the stirring board fixed connection of spliced pole, the inner fixed mounting ring gear of spliced pole, one side of ring gear is equipped with the back shaft of rotation installation on the standpipe, the first gear of periphery fixed mounting of back shaft, first gear and ring gear meshing cooperation, the inner fixed mounting worm wheel of back shaft, one side meshing cooperation of worm wheel is equipped with the worm, the worm rotates on the standpipe, the other end of worm passes through one-way bearing and rotates installation second gear, the periphery of vertical axis corresponds second gear fixed mounting third gear, the second gear respectively with the third gear meshing cooperation that corresponds, the dog-house is seted up to the top side of box, the bin outlet is seted up to the bottom side of box.

According to the pulp stirring device for producing the coated white board, the upper end of the vertical pipe at the uppermost side is closed and is provided with the reserved hole, the inner periphery of the reserved hole is rotatably connected with the outer periphery of the vertical shaft through the sealing bearing, the lower end of the vertical pipe at the lowermost side is closed, and the lower end of the vertical shaft is rotatably connected with the bottom of the vertical pipe at the lowermost side through the bearing.

As above a coating white cardboard paper production is with pulp agitating unit, the circular shape through-hole is seted up to the centre of stirring board outer end, through-hole internal rotation installation pivot, the inner of pivot passes the centre bore of spliced pole, the internal week of spliced pole centre bore is passed through sealed bearing and is rotated with the periphery of pivot and be connected, the inner fixed mounting second helical gear of pivot, the periphery of vertical axis corresponds second helical gear fixed mounting third helical gear, the second helical gear respectively with the meshing cooperation of the third helical gear that corresponds, the periphery fixed mounting helical blade of pivot, the periphery of helical blade and the internal week sliding contact cooperation of through-hole, the pore that a row of several is linked together with the through-hole is seted up respectively to the front and back both sides of stirring board.

According to the pulp stirring device for producing the coated white board, the inner end of the through hole is provided with the scraping rod, the scraping rod is fixedly connected with the rotating shaft through the connecting rod, and the outer side of the scraping rod is in sliding contact fit with the inner end of the inner periphery of the through hole.

As above a coating white board paper production pulp agitating unit, drive arrangement includes the motor, and motor fixed mounting is in the top side of box, and the roof that the box was passed in the pivot of motor is located the box, the lower extreme fixed mounting drive gear of motor shaft, and one side meshing cooperation of drive gear is equipped with the ring gear, and the ring gear passes through connecting rod fixed connection with the standpipe of the top, and the ring gear is coaxial with the standpipe.

According to the pulp stirring device for producing the coated white board, the cross section of the stirring board is in a shuttle shape with a thick middle part and thin upper and lower ends.

As above, a coating white cardboard paper production is with paper pulp agitating unit, the box includes top side open-ended round tank, and the bin outlet is seted up in the bottom of round tank, and the top side activity of round tank is equipped with the apron, and the dog-house is seted up on the apron, the upper end and the apron fixed connection of vertical axis, the apron is connected through several electric telescopic handle with the round tank.

The invention has the advantages that: the stirring plate has a simple structure and an ingenious design, the upper and lower adjacent stirring plates can rotate reversely, the integral rotation of the paper pulp is avoided, and the layered rotation of the paper pulp is realized, so that the paper pulp collision among different layers is increased, the stirring effect is improved, the angle of the stirring plate can be flexibly changed, the stirring plate can upwards and downwards stir the paper pulp, the paper pulp collision mixing of the upper and lower layered sides is further increased, the paper pulp precipitation is reduced, the stirring plate can stir at a fixed angle, the angle of the stirring plate is adjusted according to different stirring requirements, the market requirement can be met, and the stirring plate is suitable for popularization. When the device is used, firstly, paper pulp, ingredients, additives and the like to be stirred are put into a box body through a feeding port, then a driving device is electrified to drive the uppermost vertical pipe to rotate in a forward direction, the uppermost vertical pipe drives a first helical gear to rotate through an annular helical gear, the first helical gear drives a second vertical pipe on the upper side and the annular helical gear to rotate in a reverse direction, the second vertical pipe on the upper side drives a third vertical pipe on the upper side to rotate in a forward direction through the annular gear and the first helical gear, and the like, all the vertical pipes start to rotate, the rotating directions of the vertical pipes adjacent to each other up and down are opposite, the vertical pipes drive stirring plates to rotate, the rotating directions of the stirring plates adjacent to each other up and down are opposite, so that the paper pulp is stirred in different directions, and the paper pulp is discharged out of the box body through a discharging port after being stirred; when the vertical pipe rotates, the worm and the second gear are driven to revolve along the axis of the vertical shaft, the second gear rolls along the third gear, the second gear rotates in an autorotation manner, when the uppermost vertical pipe rotates in a forward direction, the second gear drives the worm to rotate through the one-way bearing, the worm drives the support shaft and the first gear to rotate through the worm gear, the first gear drives the toothed ring, the connecting column and the stirring plates to rotate slowly, meanwhile, the other stirring plates rotate slowly respectively, the rotating directions of the upper and lower adjacent stirring plates are opposite, so that the angle of the stirring plates is changed, in the rotating process of the stirring plates, when the stirring plates are vertical, the adjacent sides of the upper and lower adjacent stirring plates are in sliding contact fit, the stirring resistance is maximum, the paper pulp is stirred in a layered manner, when the stirring plates are horizontal, the stirring resistance is minimum, when the stirring plates are inclined upwards, the paper pulp is lifted upwards, and when the stirring plates are inclined downwards, the paper is extruded and conveyed, so that different stirring states are formed, when the stirring plate at the lowest side is inclined upwards, the paper pulp at the bottom of the box body can be conveyed upwards, so that the paper pulp is prevented from settling at the bottom of the box body; when the standpipe contrarotation of the top, the second gear can't drive the worm to rotate through the one-way bearing, thereby keeping the stirring angle of the stirring plate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; fig. 3 is a state diagram A, B, C, D of the agitating plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A paper pulp stirring device for production of coated white board paper comprises a box body 1, wherein a vertical shaft 2 is fixedly installed in the box body 1, a plurality of coaxial vertical pipes 3 are rotatably installed at the periphery of the vertical shaft 2, the vertical shaft 2 is coaxial with the box body 1 and the vertical pipes 3, the upper end of the vertical shaft 2 is fixedly connected with the top of the box body 1, the adjacent ends of the vertical pipes 3 which are adjacent up and down are rotatably connected through a sealing bearing, a driving device capable of driving the vertical pipe 3 at the uppermost side to rotate forward and backward is fixedly installed on the box body 1, first helical gears 4 are respectively arranged between the adjacent vertical pipes 3, the first helical gears 4 are rotatably installed on the vertical shaft 2, the first helical gears 4 are rotatably connected with one end of a supporting rod 5 through bearings, the other end of the supporting rod 5 is fixedly connected with the vertical shaft 2, annular helical gears 6 are respectively arranged at the upper side and the lower side of each first helical gear 4 in a meshing fit mode, the annular helical gears 6 are respectively fixedly connected with the corresponding vertical pipes 3, the inner periphery of the annular bevel gear 6 is rotationally connected with the outer periphery of the vertical shaft 2 through a bearing, the outer periphery of the annular bevel gear 6 is fixedly connected with the inner periphery of the corresponding vertical pipe 3, the annular bevel gear 6 is coaxial with the vertical pipe 3, and the outer periphery of the vertical pipe 3 is provided with stirring plates 7 which are symmetrical left and right; the inner end of a stirring plate 7 is in sliding contact fit with the outer periphery of a vertical pipe 3, the outer periphery of the vertical pipe 3 is provided with a through groove 16 which is bilaterally symmetrical, a connecting column 8 is installed in the through groove 16 in a sealed and rotating mode, the inner periphery of the through groove 16 is rotatably connected with the middle part of the outer periphery of the connecting column 8 through a sealed bearing, the outer end of the connecting column 8 is fixedly connected with the stirring plate 7, a gear ring 9 is fixedly installed at the inner end of the connecting column 8, one side of the gear ring 9 is provided with a supporting shaft 10 rotatably installed on the vertical pipe 3, the outer end of the supporting shaft 10 is rotatably connected with the vertical pipe 3 through a bearing, a first gear 11 is fixedly installed at the outer periphery of the supporting shaft 10, the first gear 11 is in meshing fit with the gear ring 9, a worm wheel 12 is fixedly installed at the inner end of the supporting shaft 10, one side of the worm wheel 12 is in meshing fit with a worm 13, the worm 13 rotates on the vertical pipe 3 through the bearing, and the shaft seat is fixedly connected with the vertical pipe 3, the other end of the worm 13 is rotatably provided with a second gear 14 through a one-way bearing, the periphery of the vertical shaft 2 is fixedly provided with a third gear 15 corresponding to the second gear 14, the second gears 14 are respectively engaged with the corresponding third gears 15, the top side of the box body 1 is provided with a feeding port 17, and the bottom side of the box body 1 is provided with a discharging port 18. The stirring plate has a simple structure and an ingenious design, the upper and lower adjacent stirring plates can rotate reversely, the integral rotation of the paper pulp is avoided, and the layered rotation of the paper pulp is realized, so that the paper pulp collision among different layers is increased, the stirring effect is improved, the angle of the stirring plate can be flexibly changed, the stirring plate can upwards and downwards stir the paper pulp, the paper pulp collision mixing of the upper and lower layered sides is further increased, the paper pulp precipitation is reduced, the stirring plate can stir at a fixed angle, the angle of the stirring plate is adjusted according to different stirring requirements, the market requirement can be met, and the stirring plate is suitable for popularization. When the device is used, firstly, paper pulp, ingredients, additives and the like to be stirred are put into the box body 1 through the feeding port 17, then the driving device is electrified, the driving device drives the uppermost vertical pipe 3 to rotate in a forward direction, the uppermost vertical pipe 3 drives the first bevel gear 4 to rotate through the annular bevel gear 6, the first bevel gear 4 drives the second vertical pipe 3 on the upper side and the annular bevel gear 6 to rotate in a reverse direction, the second vertical pipe 3 on the upper side and the third vertical pipe 3 on the upper side are driven to rotate in a forward direction through the annular bevel gear 6 and the first bevel gear 4, the analogy is repeated, all the vertical pipes 3 start to rotate, the rotating directions of the vertical pipes 3 adjacent to each other are opposite, the vertical pipes 3 drive the stirring plates 7 to rotate, the rotating directions of the stirring plates 7 adjacent to each other are opposite, so that the paper pulp is stirred in different directions, and the paper pulp is discharged out of the box body 1 through the discharge port 18 after being stirred; when the vertical pipe 3 rotates, the worm 13 and the second gear 14 are driven to revolve along the axis of the vertical shaft 2, the second gear 14 rolls along the third gear 15, the second gear 14 rotates in an autorotation manner, when the uppermost vertical pipe 3 rotates in a forward direction, the second gear 14 drives the worm 13 to rotate through a one-way bearing, the worm 13 drives the support shaft 10 and the first gear 11 to rotate through the worm wheel 12, the first gear 11 drives the toothed ring 9, the connecting column 8 and the stirring plates 7 to rotate slowly, meanwhile, the other stirring plates 7 respectively rotate slowly, the rotating directions of the upper and lower adjacent stirring plates 7 are opposite, so that the angle of the stirring plates 7 is changed, when the stirring plates 7 rotate in the process, the vertical stirring plates 7 are in sliding contact fit with the adjacent sides of the upper and lower adjacent stirring plates 7, the stirring resistance is the largest, when the stirring plates 7 stir paper pulp in layers, the stirring resistance is the smallest, when the stirring plates 7 are transverse, and when the stirring plates 7 are inclined upwards, the paper pulp is lifted upwards, when the stirring plate 7 is inclined downwards, the stirring plate is extruded downwards to convey, so that different stirring states are formed, and when the stirring plate 7 at the lowest side is inclined upwards, the paper pulp at the bottom of the box body 1 can be conveyed upwards, so that the paper pulp is prevented from settling at the bottom of the box body; when the uppermost vertical pipe 3 rotates reversely, the second gear 14 cannot drive the worm 13 to rotate through the one-way bearing, so that the stirring angle of the stirring plate 7 is maintained.

Specifically, as shown in the figure, the upper end of the standpipe 3 at the uppermost side of the present embodiment is closed and is provided with a prepared hole, the inner periphery of the prepared hole is rotatably connected with the outer periphery of the vertical shaft 2 through a sealing bearing, the lower end of the standpipe 3 at the lowermost side is closed, and the lower end of the vertical shaft 2 is rotatably connected with the bottom of the standpipe 3 at the lowermost side through a bearing. Make standpipe 3 constitute with the inside relative confined space of box 1, reduce paper pulp to 3 internal gear meshing's of standpipe influence to reduce the clearance degree of difficulty.

Specifically, as shown in the figure, in the embodiment, a circular through hole 30 is formed in the middle of the outer end of the stirring plate 7, a rotating shaft 31 is rotatably installed in the through hole 30, the inner end of the rotating shaft 31 penetrates through the central hole of the connecting column 8, the inner periphery of the central hole of the connecting column 8 is rotatably connected with the outer periphery of the rotating shaft 31 through a sealing bearing, a second helical gear 32 is fixedly installed at the inner end of the rotating shaft 31, a third helical gear 33 is fixedly installed at the outer periphery of the vertical shaft 2 corresponding to the second helical gear 32, the second helical gear 32 is respectively engaged with the corresponding third helical gear 33, a helical blade 34 is fixedly installed at the outer periphery of the rotating shaft 31, the outer periphery of the helical blade 34 is in sliding contact with the inner periphery of the through hole 30, the rotating directions of the helical blades 34 at the left side and the right side are opposite, and a row of fine holes 35 communicated with the through hole 30 are respectively formed at the front side and the back side of the stirring plate 7. When the vertical pipe 3 rotates relative to the vertical shaft 2, the vertical pipe 3 drives the rotating shaft 31 and the second helical gear 32 to revolve along the axis of the vertical shaft 2 through the connecting column 8, the second helical gear 32 rolls along the third helical gear 33, the second helical gear 32 drives the rotating shaft 31 and the helical blade 34 to rotate, the rotating speed of the helical blade 34 is far higher than that of the stirring plate 7, when the vertical pipe 3 drives the stirring plate 7 to revolve, the stirring plate 7 generates centrifugal force on paper pulp, so that coagulated paper pulp and incompletely crushed paper pulp are thrown to the side wall of the box body 1 under the action of the centrifugal force, the helical blade 34 on one side transmits the paper pulp to the through hole 30, so that the coagulated paper pulp and incompletely crushed paper pulp are sucked into the through hole 30 on one side and extruded out of the through hole 35 under the thrust action of the helical blade 34, a part of the paper pulp with larger volume is extruded into the through hole 35 and rotates along with the helical blade 34, the helical blade 34 can cut off the pulp with larger volume and cut off the pulp in the pore 35 by the pulp output subsequently, thereby achieving the purpose of crushing the pulp; at the same time, the spiral blade 34 on the other side sucks the pulp into the through-hole 30 through the fine hole 35 and pushes out the pulp in the through-hole 30 through the outer end of the through-hole 30, thereby moving the small volume of pulp toward the side wall of the casing 1.

Further, as shown in the drawings, the inner end of the through hole 30 of the present embodiment is provided with a scraping rod 40, the scraping rod 40 is fixedly connected with the rotating shaft 31 through a connecting rod 41, and the outer side of the scraping rod 40 is in sliding contact with the inner end of the inner circumference of the through hole 30. When the rotating shaft 31 rotates, the connecting rod 41 drives the scraping rod 40 to rotate, the scraping rod 40 can stir and crush the paper pulp in the through hole 30, and meanwhile, the paper pulp is prevented from being blocked at the inner end of the through hole 30.

Furthermore, as shown in the figure, the driving device of the present embodiment includes a motor 50, the motor 50 is fixedly installed on the top side of the box 1, the rotating shaft of the motor 50 penetrates through the top wall of the box 1 and is located in the box 1, a driving gear 51 is fixedly installed on the lower end of the rotating shaft of the motor 50, a gear ring 52 is engaged and matched with one side of the driving gear 51, the gear ring 52 is fixedly connected with the uppermost vertical pipe 3 through a connecting rod 53, and the gear ring 52 is coaxial with the vertical pipe 3.

Further, as shown in the figure, the cross section of the stirring plate 7 of the present embodiment is in a shuttle shape with a thick middle and thin upper and lower ends. The rotation resistance of the stirring plate 7 is reduced.

Furthermore, as shown in the drawings, the box body 1 of the present embodiment includes a round tank 70 with an open top, the discharge port 18 is disposed at the bottom of the round tank 70, a cover plate 71 is movably disposed at the top of the round tank 70, the feed port 17 is disposed on the cover plate 71, the upper end of the vertical shaft 2 is fixedly connected to the cover plate 71, and the cover plate 71 is connected to the round tank 70 through a plurality of electric telescopic rods 72. The electric telescopic rod 72 is electrified to extend the electric telescopic rod 72, so that the cover plate 71 is moved away from the round tank 70, the stirring plate 7 is moved away from the round tank 70, and the stirring plate 7 is convenient to clean.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a coating white board production is with pulp agitating unit which characterized in that: the vertical shaft type automatic steering device comprises a box body (1), wherein a vertical shaft (2) is fixedly installed in the box body (1), a plurality of coaxial vertical pipes (3) are rotatably installed on the periphery of the vertical shaft (2), the adjacent ends of the vertical pipes (3) which are adjacent up and down are rotatably connected through a sealing bearing, a driving device capable of driving the vertical pipe (3) at the uppermost side to rotate forward and backward is fixedly installed on the box body (1), first helical gears (4) are respectively arranged between the adjacent vertical pipes (3), the first helical gears (4) are rotatably installed on the vertical shaft (2), the upper side and the lower side of each first helical gear (4) are respectively provided with annular helical gears (6) in a meshing and matching mode, the annular helical gears (6) are respectively and fixedly connected with the corresponding vertical pipes (3), and stirring plates (7) which are symmetrical left and right are arranged on the periphery of the vertical pipes (3); the periphery of a vertical pipe (3) is provided with bilaterally symmetrical through grooves (16), a connecting column (8) is installed in the through grooves (16) in a sealed and rotating mode, the outer end of the connecting column (8) is fixedly connected with a stirring plate (7), a toothed ring (9) is fixedly installed at the inner end of the connecting column (8), one side of the toothed ring (9) is provided with a supporting shaft (10) which is installed on the vertical pipe (3) in a rotating mode, a first gear (11) is fixedly installed at the periphery of the supporting shaft (10), the first gear (11) is meshed and matched with the toothed ring (9), a worm wheel (12) is fixedly installed at the inner end of the supporting shaft (10), one side of the worm wheel (12) is meshed and matched with a worm (13), the worm (13) rotates on the vertical pipe (3), the other end of the worm (13) is rotatably installed with a second gear (14) through a one-way bearing, a third gear (15) is fixedly installed at the periphery of the vertical shaft (2) corresponding to the second gear (14), the second gears (14) are respectively engaged with the corresponding third gears (15), a feeding port (17) is formed in the top side of the box body (1), and a discharging port (18) is formed in the bottom side of the box body (1).

2. The coated white board production pulp stirring device as recited in claim 1, characterized in that: the most upper side the upper end of standpipe (3) is sealed and is equipped with the preformed hole, and the interior week in preformed hole passes through sealed bearing with the periphery of vertical axis (2) and rotates and be connected, and the lower extreme of downside standpipe (3) seals, and the lower extreme of vertical axis (2) passes through the bearing rotation with the bottom of downside standpipe (3) and is connected.

3. The coated white board production pulp stirring device as recited in claim 1, characterized in that: circular shape through-hole (30) are seted up to the centre of stirring board (7) outer end, through-hole (30) internal rotation installation pivot (31), the centre bore of spliced pole (8) is passed to the inner of pivot (31), the internal week of spliced pole (8) centre bore is passed through sealed bearing and is rotated with the periphery of pivot (31) and be connected, the inner fixed mounting second helical gear (32) of pivot (31), the periphery of vertical axis (2) corresponds second helical gear (32) fixed mounting third helical gear (33), second helical gear (32) respectively with the meshing cooperation of the third helical gear (33) that corresponds, the periphery fixed mounting helical blade (34) of pivot (31), the periphery of helical blade (34) and the internal week sliding contact cooperation of through-hole (30), pore (35) that one row of several is linked together with through-hole (30) are seted up respectively to both sides around stirring board (7).

4. The coated white board production pulp stirring device as recited in claim 3, characterized in that: the inner end of the through hole (30) is provided with a scraping rod (40), the scraping rod (40) is fixedly connected with the rotating shaft (31) through a connecting rod (41), and the outer side of the scraping rod (40) is in sliding contact fit with the inner end of the inner periphery of the through hole (30).

5. The coated white board production pulp stirring device as recited in claim 1, characterized in that: drive arrangement includes motor (50), and motor (50) fixed mounting is in the top side of box (1), and the roof that box (1) was passed in the pivot of motor (50) is located box (1), lower extreme fixed mounting drive gear (51) of motor (50) pivot, and the meshing cooperation of one side of drive gear (51) is equipped with gear ring (52), and connecting rod (53) fixed connection is passed through with standpipe (3) of the top in gear ring (52), and gear ring (52) are coaxial with standpipe (3).

6. The coated white board production pulp stirring device as recited in claim 1, characterized in that: the cross section of the stirring plate (7) is in a shuttle shape with a thick middle part and thin upper and lower ends.

7. The coated white board production pulp stirring device as recited in claim 1, characterized in that: the box body (1) comprises a round tank (70) with an opening on the top side, a discharge port (18) is formed in the bottom of the round tank (70), a cover plate (71) is movably arranged on the top side of the round tank (70), a feeding port (17) is formed in the cover plate (71), the upper end of a vertical shaft (2) is fixedly connected with the cover plate (71), and the cover plate (71) is connected with the round tank (70) through a plurality of electric telescopic rods (72).