CN218795828U - Stirring and mixing reaction kettle with controllable scraping wall - Google Patents

Abstract

The utility model relates to the technical field of reaction kettles, and discloses a stirring and mixing reaction kettle with controllable scraping walls, which is provided with a stirring device for stirring, mixing and scraping walls, wherein the stirring device comprises a stirring main shaft and a scraping wall rod, and the upper end of the stirring main shaft is connected with a motor; the wall scraping rod is connected with a scraping plate, the upper end of the wall scraping rod is provided with a scraping plate control component used for controlling the wall scraping rod to move, and the scraping plate control component realizes the separation and the contact of the scraping plate and the inner wall of the kettle body through controlling the wall scraping rod. Scrape the motion state of wall pole through the adjustment, if scrape wall pole rotation or horizontal migration, drive the scraper blade and realize breaking away from and the contact of scraper blade and cauldron internal wall for the scraper blade position is adjustable, can independently select whether to scrape the wall, reduces and scrapes the wall time, thereby reduces the friction, reduces the scraper blade and drops the risk of polluting the raw materials.

Description

Stirring and mixing reaction kettle with controllable scraping wall

Technical Field

The utility model relates to a reation kettle technical field especially relates to a scrape controllable stirring of wall and mix reation kettle.

Background

When stirring or mixing high viscosity material, the material leads to stirring or mixes inhomogeneously on reation kettle bottom or wall, consequently stirring mixing apparatus has all set up the scraper blade for scrape off the material on the wall, thereby make high viscosity material mix more evenly.

For example, chinese utility model patent publication No. CN215312388U discloses a reation kettle with agitating unit, paragraph [0005] records "including the reaction box, the inside of reaction box is rotated and is connected with the dwang, stirring vane has been cup jointed on the dwang, stirring vane's outer end fixedly connected with scraper blade, the scraper blade is n type structure, and bellying fixedly connected with scraper blade, and [0011] records" sets up the scraper blade through the outer end on stirring vane, clears up the inner wall of reaction box, avoids the material to remain, makes things convenient for the clearance of reaction box ", scrapes off the material on the wall through setting up the scraper blade.

In the operation process of the existing equipment, when the scraper scrapes the wall, the scraper continuously rubs the wall of the reaction kettle, so that the scraper is abraded, and the abraded part of the scraper is powdery small particles and can be mixed into a product, so that raw material products are polluted, and the produced product is poor in performance. How to reduce wear is therefore critical to the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scrape controllable stirring of wall and mix reation kettle, to prior art disappearance, solve the long-term cauldron wall of scraper blade and take place the friction, cause the technical problem that the scraper blade wearing and tearing produced the tiny particle so that pollute the raw materials.

In order to achieve the above object, the utility model discloses a scrape controllable stirring of wall and mix reation kettle's concrete technical scheme as follows:

the utility model provides a pair of scrape controllable stirring of wall and mix reation kettle has following advantage:

a stirring and mixing reaction kettle with controllable wall scraping comprises a kettle body, an upper kettle cover and a lower kettle cover, wherein the upper kettle cover and the lower kettle cover are positioned at the upper end and the lower end of the kettle body; the wall scraping rod is connected with a scraping plate, the upper end of the wall scraping rod is provided with a scraping plate control component used for controlling the wall scraping rod to move, and the scraping plate control component realizes the separation and contact of the scraping plate and the inner wall of the kettle body through controlling the wall scraping rod to rotate or move horizontally. The motion state of scraping the wall pole through the adjustment, if scrape wall pole rotation or horizontal migration, drive the scraper blade and realize breaking away from and the contact of scraper blade and the internal wall of cauldron for the scraper blade position is adjustable, can independently select whether to scrape the wall, reduces and scrapes the wall time, thereby reduces the friction. The risk that the scraper falls to pollute the raw materials is reduced.

Further, a top plate fixedly connected with the stirring main shaft, a stirring rod parallel to the stirring main shaft and a rotating rod parallel to the kettle bottom are arranged, the stirring rod is fixedly connected with the top plate, and a scraping plate for scraping the kettle bottom is arranged on the rotating rod; the inside cover of puddler is provided with the montant, and the lower extreme of montant passes through the reversing gear structure to be connected with the dwang meshing, and the upper end of montant is provided with and is used for controlling montant pivoted first drive parts. The scraping plate is rotated at a certain angle in the vertical direction through gear engagement, and can contact with the bottom of the lower kettle cover when rotating downwards, so that the bottom scraping function is realized; when the bottom scraping is not needed, the scraper plate can be controlled to rotate upwards, and the scraper plate is separated from the bottom of the lower kettle cover.

Further, scrape the wall pole including the first vertical section that connects gradually, turn to section and the vertical section of second, the length of first vertical section is less than the length of the vertical section of second, the scraper blade is connected on the vertical section of second, has to turn to the section scrape the wall pole when rotation can realize keeping away from with the cauldron wall by a large distance.

Further, the motor includes first motor, second motor and third motor, and first drive parts is the second motor, scrapes wall pole and roof swing joint, and second actuating mechanism is the third motor, and first motor drives the roof and rotates, and the second motor drives the montant rotation, and the rotation of third motor drive scraping wall pole.

Further, the motor comprises a first motor, the first motor is connected with a driving wheel, the first driving part is a first driven wheel, the second driving mechanism is a second driven wheel, the driving wheel is respectively meshed with the first driven wheel and the second driven wheel, the first motor drives the top plate and the driving wheel to rotate, and the driving wheel, the first driven wheel and the second driven wheel are gears.

Furthermore, the wall scraping rod is movably connected with the top plate through a bearing structure, and a gear clutch switch used for controlling the driving wheel, the first driven wheel and the second driven wheel is further arranged.

Further, the roof is connected with the stirring main shaft, be provided with scraper blade control unit on the stirring main shaft, scraper blade control unit include with stirring main shaft fixed connection and vertically telescopic horizontal pole, the horizontal pole includes canned paragraph and flexible section, the both ends of horizontal pole are provided with the wall pole of scraping that is on a parallel with the stirring main shaft respectively, it is provided with the scraper blade on the wall pole to scrape, the canned paragraph top is provided with the slider, the stirring main shaft can be followed to the slider and reciprocated, the spring has been placed between slider and the canned paragraph, the top of slider is provided with the control lever, the control lever is connected with the outer switch of reation kettle, the switch is used for controlling the position of slider, be connected with the connecting rod between the both sides of slider and the flexible section respectively. When the slider moves downwards, the connecting rod stretches the cross rod, so that the scraper blade is in contact with the kettle wall to realize the wall scraping function, and when the slider moves upwards, the cross rod contracts, and the scraper blade leaves the kettle wall. Thereby realizing controllable wall scraping.

Furthermore, a sliding groove is formed in the stirring main shaft, a first spring positioning column is arranged at the top of the fixing section, a second spring positioning column is arranged at the bottom of the sliding block, the first spring positioning column and the second spring positioning column are arranged in the spring sleeve, and a limiting block used for moving up and down in the sliding groove is arranged on the rear side of the sliding block.

Preferably, the sliding groove is a T-shaped groove, and the limiting block is a T-shaped block.

Furthermore, a stopper used for limiting the position of the fixed section is fixedly arranged on the stirring main shaft, the sliding block is provided with a through hole used for moving the sliding block up and down along the stirring main shaft, and the spring is sleeved on the stirring main shaft.

Further, the scraper blade includes rigidity portion and flexible portion, and the flexible portion cladding is in rigidity portion periphery, and the material of rigidity portion is metal or polytetrafluoroethylene, and the material of flexible portion is silica gel or rubber.

Further, the scraper blade is provided with an installation part inserted in or connected with an outer hoop, and the installation part is used for realizing detachable connection with the rotating rod of the connected body and/or the wall scraping rod.

The utility model provides a pair of scrape controllable stirring of wall and mix reation kettle has following advantage:

the scraper is driven to realize the separation and contact of the scraper and the inner wall of the kettle body by adjusting the motion state of the wall scraping rod, such as the rotation or horizontal movement of the wall scraping rod; the scraper plate position can be adjusted, whether wall scraping is carried out or not can be selected independently, the wall scraping time is reduced, and therefore friction is reduced. The risk that the scraper falls to pollute the raw materials is reduced. In addition, the scraper on the gear meshing rotating rod rotates at a certain angle in the vertical direction, and can contact with the bottom of the lower kettle cover when rotating downwards, so that the bottom scraping function is realized; when the bottom scraping is not needed, the scraper plate can be controlled to rotate upwards, and the scraper plate is separated from the bottom of the lower kettle cover.

Drawings

FIG. 1 is a three-dimensional structure diagram of a first stirring and mixing reactor provided by the present invention;

FIG. 2 is a three-dimensional structure diagram of a second stirring and mixing reaction kettle provided by the utility model;

FIG. 3 is a three-dimensional structure diagram of a third stirring and mixing reactor provided by the present invention;

FIG. 4 is a perspective view of a first embodiment of a stirring mechanism for a kettle bottom according to the present invention;

fig. 5 is a three-dimensional structure diagram of a second embodiment of the stirring mechanism for the kettle bottom provided by the utility model;

FIG. 6 is a perspective view of a first embodiment of a stirring mechanism for a kettle wall according to the present invention;

FIG. 7 is a three-dimensional structure diagram of a first embodiment of a combined stirring mechanism for a kettle bottom and a kettle wall provided by the present invention;

FIG. 8 is a perspective view of a second embodiment of the combined stirring mechanism for the kettle bottom and the kettle wall according to the present invention;

fig. 9 is a schematic plan structure view of a second embodiment of the stirring mechanism for the kettle wall according to the present invention;

fig. 10 is a schematic view of a first three-dimensional structure of a second embodiment of a stirring mechanism for a kettle wall provided by the present invention;

fig. 11 is a schematic perspective view of a second embodiment of a stirring mechanism for a kettle wall according to the present invention;

fig. 12 is a schematic three-dimensional structure diagram of a second embodiment of the stirring mechanism for the kettle wall provided by the present invention;

fig. 13 is a schematic plan view of a first embodiment of a scraper according to the present invention;

fig. 14 is a schematic perspective view of a first embodiment of a scraper according to the present invention;

fig. 15 is a schematic perspective view of a wall scraping rod or a rotating rod provided by the present invention;

fig. 16 is a schematic plan view of a second embodiment of a scraper according to the present invention;

fig. 17 is a schematic plan view of a third embodiment of a scraper according to the present invention.

In the figure: 10. a reaction kettle; 11. a kettle body; 12. putting on a kettle cover; 13. a lower kettle cover; 21. a stirring rod; 22. a vertical rod; 23. rotating the rod; 24. a first gear; 25. a second gear; 26. a squeegee; 261. a rigid portion; 262. a flexible portion; 263. an installation part; 27. a connecting frame; 28. a top plate; 29. a wall scraping rod; 291. a first vertical section; 292. a turning section; 293. a second vertical section; 31. a first motor; 32. a second motor; 33. a third motor; 41. a driving wheel; 42. a first driven wheel; 43. a second driven wheel; 51. a stirring shaft; 511. a chute; 512. a stopper; 52. a cross bar; 521. a fixed section; 522. a second telescopic section; 523. a first telescoping section; 54. a slider; 55. a connecting rod; 551. a connecting seat; 56. a control lever; 57. a spring; 58. a paddle; 61. a rigid portion; 62. a flexible portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model provides a stirring mixing reaction kettle with controllable wall scraping, referring to fig. 1, a kettle body 11 is a circular cylinder, and an upper kettle cover 12 and a lower kettle cover 13 are flat plates; referring to fig. 2, the kettle body 11 is a circular cylinder, and the upper kettle cover 12 and the lower kettle cover 13 are arc-shaped or spherical panels; referring to fig. 3, the kettle body 11 is a circular cylinder, the upper kettle cover 12 is a flat plate, and the lower kettle cover 13 is a conical plate; in summary, the shape of the upper and lower covers 12, 13 may be a combination of the above forms, i.e. the upper and lower covers 12, 13 may be curved plates, flat plates, or curved plates, tapered plates, respectively.

Based on the interval mode of adjusting scraper blade 26 and cauldron bottom, cauldron internal wall, provide embodiment one:

referring to fig. 4, for the distance between regulation scraper blade and the lower kettle cover 13, be applicable to the lower kettle cover 13 of dull and stereotyped shape, the utility model provides a scraper blade actuating mechanism, including being located the puddler 21 of last kettle cover 12 below, the montant 22 is equipped with to the puddler 21 endotheca, and the below of montant 22 is provided with dwang 23, the horizontal pole of this dwang 23 linear type, dwang 23 perpendicular to montant 22, dwang 23 and montant 23 pass through gear engagement, fixedly connected with scraper blade 26 on the dwang 23. A connecting frame 27 is arranged between the rotating rod 23 and the stirring rod 21 and is used for setting the position of the rotating rod 23 relative to the vertical rod 22.

Referring to fig. 5, for the distance between regulation scraper blade and the lower kettle cover 13, be applicable to conical lower kettle cover, the utility model provides a scraper blade actuating mechanism, including being located the puddler 21 of kettle cover 12 below, the montant 22 is equipped with to the puddler 21 endotheca, and the below of montant 22 is provided with dwang 23, and dwang 23 and montant 22 are non-perpendicular, and dwang 23 is on a parallel with lower kettle cover 13, and dwang 23 passes through gear engagement with montant 23, fixedly connected with scraper blade 26 on the dwang 23. A connecting frame 27 is arranged between the rotating rod 23 and the stirring rod 21 and is used for setting the position of the rotating rod 23 relative to the vertical rod 22.

For the arc-shaped or spherical lower kettle cover 13, the rotating rod 23 can be deformed into an arc rod corresponding to the radian of the lower kettle cover 13, and the arc rod is driven to rotate through the vertical rod 22 and the gear structure according to the method.

Specifically, in view of the above three situations, the rotating rod 23 is provided with a first gear 24, the bottom end of the vertical rod 22 is connected with a second gear 25, the first gear 24 and the second gear 25 may be bevel gears or helical gears, when the vertical rod 22 rotates, the first gear 24 drives the second gear 25 to rotate and change the direction of the force, so that the scraper 26 rotates at a certain angle in the vertical direction, and when the scraper rotates downwards, the scraper can contact with the bottom of the lower kettle cover 13, thereby achieving a bottom scraping function; when bottom scraping is not needed, the scraper 26 can be controlled to rotate upwards, and the scraper 26 can be separated from the bottom of the lower kettle cover 13.

Referring to fig. 6, in order to clean the inner wall of the kettle, i.e. the kettle wall, a wall scraping rod 29 is provided, the upper end of the wall scraping rod 29 is movably connected with a top plate 28, a scraping plate 26 is connected to the wall scraping rod 29, and a driving member for controlling the rotation of the vertical rod 22 is provided at the upper end of the wall scraping rod 29, and the driving member can provide a direct or indirect power source, or directly provide power for a motor, or transmit power for a gear. Wherein, the top plate 28 can be a disc shape, a rectangle shape or a prism shape; the purpose is to connect the mixing spindle 51, to which the mixing rod 21 is fixedly connected and to which the wall scraping rod 29 is movably connected.

Further, the wall scraping rod 29 may also be of a bending or inclined type, specifically, the wall scraping rod 29 includes a first vertical section 291, a turning section 292, and a second vertical section 293 which are connected in sequence, the length of the first vertical section 291 is smaller than that of the second vertical section 293, the scraper 26 is connected to the second vertical section 293, and a large distance from the kettle wall can be achieved when the wall scraping rod 29 with the turning section 292 rotates. The turning section 292 may be inclined, horizontal, or other forms, and functions to make the first vertical section 291 and the second vertical section 293 not on the same line, and is preferably inclined.

When the inner wall of the kettle body 11 needs to be scraped, the wall scraping rod 29 rotates automatically, so that the second vertical section 293 approaches to the inner wall of the kettle body 11, and the scraping plate 26 on the second vertical section 293 contacts with the inner wall to realize the wall scraping function; when the scraping of the wall is not needed, the second vertical section 293 can be controlled to rotate, so as to separate the scraper 26 from the inner wall.

Referring to fig. 7, in an embodiment, a top plate 28 is fixedly connected to an upper end of the stirring rod 21, the top plate 28 is disposed below the upper kettle cover 12, the top plate 28 is connected to a first motor 31, a vertical rod 22 penetrates through the top plate 28 and is connected to a second motor 32, a top end of the wall scraping rod 29 is connected to a third motor 33, a bearing is disposed between the wall scraping rod 29 and the top plate 28, the first motor 31 drives the top plate 28 to rotate, the stirring rod 21 and the wall scraping rod 29 revolve with the top plate 28, the second motor 32 drives the vertical rod 22 to rotate, and the third motor 33 drives the wall scraping rod 29 to rotate. By controlling the second motor 32 and the third motor 33, the bottom scraping and the wall scraping can be realized in a customized time.

Referring to fig. 8, in an embodiment, the upper end of the stirring rod 21 is fixedly connected with a top plate 28, the top plate 28 is disposed below the upper kettle cover 12, the top plate 28 is connected with a first motor 31, the first motor 31 is further connected with a driving wheel 41, the vertical rod 22 sequentially penetrates through the top plate 28 and the upper kettle cover 12 to be connected with a first driven wheel 42, and the first driven wheel 42 is engaged with the driving wheel 41; the top end of the wall scraping rod 29 penetrates through the top plate 28 to be connected with a second driven wheel 43, a bearing is arranged between the wall scraping rod 29 and the top plate 29, and the second driven wheel 42 is meshed with the driving wheel 41. The first motor 31 drives the top plate 28 to rotate, the stirring rod 21 and the wall scraping rod 29 revolve along with the top plate 28, the first driven wheel 42 drives the vertical rod 22 to rotate, and the second driven wheel 43 drives the wall scraping rod 29 to rotate. The driving wheel 41 is meshed with the first driven wheel 42 and the second driven wheel 43, so that the periodic bottom scraping and wall scraping can be realized, and the length of the period is realized by adjusting the specification of the gears.

Further, the wall scraping rod 29 is movably connected with the top plate 28, and a switch is arranged, and the wall scraping rod 29 is controlled to rotate on the top plate 28 through the switch. The second driven pulley 43 is clutched to the driving pulley 41 by, for example, a gear clutch switch. When the scrapers 26 on the wall scraping rods 29 are perpendicular to the tangent line of the kettle wall, the scrapers 26 are in contact with the kettle wall. The scraper bar 29 is rotated to move the scraper 26 away from the kettle wall, thereby realizing controllable wall scraping.

Other expanded embodiments: two top plates (not shown in the figure) can be further arranged and are defined as a first top plate and a second top plate, the upper ends of the stirring rod 21 and the wall scraping rod 29 are respectively connected with the first top plate and the second top plate on the stirring device, the first top plate is connected with the second motor 32, the second top plate is connected with the third motor 33, and the stirring rod 21 and the wall scraping rod 29 are controlled by the second motor 32 and the second motor 33 to stir and scrape the wall, so that the wall scraping is controllable.

The number of the stirring rods 21 can be two or more, and the stirring rods comprise a high-speed stirring rod and a low-speed stirring rod, and a high-speed shearing rotor is arranged at the lower end of the high-speed stirring rod; wherein the low-speed stirring rod is provided with one or more horizontal rods, the horizontal rods form an angle of 45 degrees with the horizontal direction, and the horizontal rods are sequentially staggered by 90 degrees from top to bottom

Based on the interval mode of adjusting scraper blade 26 and the internal wall of cauldron, refer to fig. 9 to 12, the utility model also provides a flexible adjustment mechanism, include the stirring main shaft 51 of being connected with first motor 31, stirring main shaft 51 top is connected with first motor 31, is provided with paddle 58 on the stirring main shaft 51, is provided with scraper blade control unit on the stirring main shaft 51, scraper blade control unit include with stirring main shaft 51 vertical fixation set up telescopic horizontal pole 52. The two ends of the cross bar 52 far away from the mixing spindle 51 are respectively provided with a wall scraping bar 29 parallel to the mixing spindle 51, and the vertical bar 53 is provided with a detachable scraper 26. The stirring main shaft 51 is provided with a slide block 54, the slide block 54 can move up and down on the stirring main shaft 51, a spring 57 is arranged between the slide block 54 and the cross rod 52, a control rod 56 is arranged above the slide block 54, the control rod 56 is connected with a switch outside the kettle body 11, and the position of the slide block 54 can be controlled through the switch. The two sides of the sliding block 54 are respectively connected with a connecting rod 55, one end of the connecting rod 55 is connected with the sliding block 54, the other end is connected with the cross rod 52, and the connecting mode can be fixed connection or hinged connection. When the slide block 54 moves downwards, the connecting rod 55 extends the cross rod 52 to enable the scraper 26 to be in contact with the kettle wall to achieve the wall scraping function, and when the slide block 54 moves upwards, the cross rod 52 contracts and the scraper 26 leaves the kettle wall. Thereby realizing controllable wall scraping.

Specifically, the cross rod 52 includes the fixed segment 521, and the both ends of the fixed segment 521 are respectively overlapped and are equipped with first flexible section 523, the flexible section 522 of second for the fixed segment 521 is flexible, are provided with the spring 57 between fixed segment 521 and the slider 54, are provided with the connecting seat that is used for connecting the connecting rod 55 on the both sides of slider 54, first flexible section 523, the flexible section 522 of second respectively.

Referring to fig. 10, in an embodiment, the stirring spindle 51 is provided with a sliding slot 511, the top of the fixing section 521 is provided with a first spring positioning column, the bottom of the sliding block 57 is provided with a second spring positioning column, and the spring 57 is sleeved on the first spring positioning column and the second spring positioning column to prevent the spring 57 from deviating. The rear side of the slider 54 is provided with a stopper 58 for moving up and down in the slide slot 511 so that the slider 54 and the cross bar 52 can slide along the slide slot 511.

Preferably, the sliding groove 511 is a T-shaped groove, and the limiting block 58 is a T-shaped block.

Referring to fig. 11 and 12, in an embodiment, a stopper 512 for fixing a position of the fixed section 521 is fixedly disposed on the stirring main shaft 51, the fixed section 521 and the slider 54 are provided with through holes, the fixed section 521 and the slider 54 are sleeved on the stirring main shaft 51, and the fixed section 521 is disposed in the stopper 512. The stirring main shaft 51 is also sleeved with a spring 57, and the spring 57 is arranged between the fixed section 521 and the sliding block 54.

Preferably, the flight 512 is slot-shaped.

Referring to fig. 13 to 17, the scraper 26 is composed of a rigid portion 261 and a flexible portion 262, the flexible portion 262 covers the rigid portion 261, and the rigid portion 261 may be made of metal or teflon; the flexible portion 262 may be silicone or rubber. The flexible portion 262 can be selected to have different lengths according to different viscosities, a flexible portion with a high viscosity can be selected to have a small size, and a flexible portion with a low viscosity can be selected to have a short size.

The scraper 26 is detachable and can be replaced by detaching when the abrasion is too large, as shown in fig. 13 and 14, in one embodiment, the bottom end of the rigid portion 261 is exposed to form a strip-shaped plate, and the strip-shaped plate is provided with a fixing hole; as shown in fig. 15, the rotating rod 23 and/or the wall scraping rod 29 are/is a cylinder, a mounting groove is formed in the cylinder, a mounting hole penetrating through one side or two sides of the mounting groove is further formed, the bottom end of the scraper 26 is inserted into the mounting groove, the scraper 26 can be placed in the mounting groove through a fastener, and the scraper and the rotating rod 23 or the wall scraping rod 29 can be conveniently detached.

Referring to fig. 16, in an embodiment, an arc-shaped mounting portion 263 is disposed at a bottom end of the rigid portion 261, a fixing hole is formed on the mounting portion 263, the rotating rod 23 and/or the wall scraping rod 29 are/is a cylinder, a mounting hole is formed inside the cylinder, the mounting portion 263 is clamped on the cylinder, and the scraper 26 is fixed on the cylinder by using a fastener, so that the scraper can be conveniently detached from the rotating rod 23 or the wall scraping rod 29.

Referring to fig. 17, in an embodiment, the bottom end of the rigid portion 261 is provided with a mounting portion 263 in a square groove shape, the mounting portion 263 is provided with a fixing hole, the rotating rod 23 and/or the wall scraping rod 29 are/is a cuboid, the left side and the right side of the cuboid are/is provided with mounting holes, the mounting portion 263 is clamped on the cuboid, the scraper 26 is fixed on the cuboid by adopting a fastener, and the scraper and the rotating rod 23 or the wall scraping rod 29 are conveniently detached.

To sum up, the utility model provides a pair of scrape controllable stirring of wall and mix reation kettle, the scraper blade position is adjustable, can independently select whether to scrape the wall, reduces and scrapes the wall time to reduce the friction. The risk that the scraper falls to pollute the raw materials is reduced. The flexible scraper is contacted with the kettle wall, and the friction force is smaller than that of rigid scraper, so that the friction is reduced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A stirring and mixing reaction kettle with controllable wall scraping comprises a kettle body (11), an upper kettle cover (12) and a lower kettle cover (13) which are positioned at the upper end and the lower end of the kettle body (11), and a stirring device for stirring, mixing and wall scraping is arranged on the kettle, and is characterized in that the stirring device comprises a stirring main shaft (51) and a wall scraping rod (29), and the upper end of the stirring main shaft (51) is connected with a motor; scrape and be connected with scraper blade (26) on wall pole (29), the upper end of scraping wall pole (29) is provided with the scraper blade control unit who is used for control to scrape wall pole (29) motion, scraper blade control unit scrapes wall pole (29) rotation or horizontal migration through control and realizes breaking away from and contacting of scraper blade (26) and cauldron body (11) inner wall.

2. The stirring and mixing reaction kettle with the controllable scraping wall as claimed in claim 1, wherein a top plate (28) fixedly connected with the stirring main shaft (51), a stirring rod (21) parallel to the stirring main shaft (51), and a rotating rod (23) parallel to the kettle bottom are provided, the stirring rod (21) is fixedly connected with the top plate (28), and a scraping plate (26) for scraping the kettle bottom is provided on the rotating rod (23); a vertical rod (22) is arranged inside the stirring rod (21) in a sleeved mode, the lower end of the vertical rod (22) is connected with a rotating rod (23) in a meshed mode through a reversing gear structure, and a first driving part used for controlling the vertical rod (22) to rotate is arranged at the upper end of the vertical rod (22).

3. The stirring mixing reactor with controllable wall scraping function as claimed in claim 2, wherein the motor includes a first motor (31), a second motor (32) and a third motor (33), the first driving member is the second motor (32), the wall scraping rod (29) is movably connected with the top plate (28), the scraper control component is the third motor (33), the first motor (31) drives the top plate (28) to rotate, the second motor (32) drives the vertical rod (22) to rotate, and the third motor (33) drives the wall scraping rod (29) to rotate.

4. The stirring and mixing reactor with the controllable wall scraping function as claimed in claim 2, wherein the motor comprises a first motor (31), the first motor (31) is connected with a driving wheel (41), the first driving mechanism is a first driven wheel (42), the scraper control part is a second driven wheel (43), the driving wheel (41) is respectively connected with the first driven wheel (42) and the second driven wheel (43) in a meshing manner, the first motor (31) drives the top plate (28) and the driving wheel (41) to rotate, and the driving wheel (41), the first driven wheel (42) and the second driven wheel (43) are gears.

5. The stirring and mixing reaction kettle with the controllable wall scraping function as claimed in claim 4, wherein the wall scraping rod (29) is movably connected with the top plate (28) through a bearing structure, and a gear clutch switch for controlling the driving wheel (41), the first driven wheel (42) and the second driven wheel (43) is further arranged.

6. The stirring and mixing reaction kettle with the controllable wall scraping function according to claim 2 is characterized in that the scraper control component comprises a telescopic cross rod (52) which is fixedly connected with and perpendicular to the stirring main shaft (51), the cross rod (52) comprises a fixed section (521) and a telescopic section, two ends of the cross rod (52) are respectively connected with the wall scraping rod (29), the wall scraping rod (29) is parallel to the stirring main shaft (51), a sliding block (54) is arranged above the fixed section, the sliding block (54) can move up and down along the stirring main shaft (51), a spring (57) is placed between the sliding block (54) and the fixed section, a control rod (56) is arranged above the sliding block (54), the control rod (56) is connected with a switch outside the reaction kettle, the switch is used for controlling the position of the sliding block (54), and connecting rods (55) are respectively connected between two sides of the sliding block (54) and the telescopic section.

7. The stirring and mixing reactor with the controllable wall scraping function as claimed in claim 6, wherein a sliding groove (511) is formed in the stirring main shaft (51), a first spring positioning column is arranged at the top of the fixing section (521), a second spring positioning column is arranged at the bottom of the sliding block (54), the first spring positioning column and the second spring positioning column are sleeved with the spring (57), and a limiting block (58) for moving up and down in the sliding groove (511) is arranged at the rear side of the sliding block (54).

8. The stirring and mixing reactor with controllable wall scraping as claimed in claim 6, wherein the stirring main shaft (51) is fixedly provided with a stopper (512) for limiting the position of the fixed section (521), the slide block (54) is provided with a through hole for sliding up and down along the stirring main shaft (51), and the stirring main shaft (51) is sleeved with the spring (57).

9. The stirring and mixing reactor with the controllable wall scraping function as claimed in claim 1, wherein the scraper (26) comprises a rigid portion (61) and a flexible portion (62), the flexible portion (62) is coated on the periphery of the rigid portion (61), the rigid portion (61) is made of metal or polytetrafluoroethylene, and the flexible portion (62) is made of silica gel or rubber.

10. A stirred mixing tank reactor with controlled wall scraping according to any of claims 1 to 9, characterized in that the scraper (26) is provided with an inner inserted or outer hoop attached mount (263) for detachable connection to the turning rod (23) and/or the wall scraping rod (29).

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