CN111888978A - Raw material mixing device and process for hygroscopic improved nylon 6 - Google Patents
Raw material mixing device and process for hygroscopic improved nylon 6 Download PDFInfo
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- CN111888978A CN111888978A CN202010580493.6A CN202010580493A CN111888978A CN 111888978 A CN111888978 A CN 111888978A CN 202010580493 A CN202010580493 A CN 202010580493A CN 111888978 A CN111888978 A CN 111888978A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/95—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2215—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/93—Heating or cooling systems arranged inside the receptacle
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a raw material mixing device and a process of hygroscopicity improved nylon 6, belongs to the technical field of nylon 6 production and processing, and comprises a supporting mechanism, a heating and mixing mechanism and a stirring and mixing mechanism, wherein the supporting mechanism comprises a vertical supporting plate, the top end of the vertical supporting plate is fixedly connected with an upper supporting plate, the bottom end of the vertical supporting plate is fixedly connected with a lower supporting plate, the heating and mixing mechanism comprises a heating box, and the outer wall of the top of the heating box is communicated with a feeding pipe. Can realize through the addition of modifier, reduce nylon 6's hygroscopicity, make nylon 6's hygroscopicity obtain effective, the improvement of progress to reduced nylon 6's shrinkage factor simultaneously, and at the in-process that the raw materials mixes, through mixing arrangement's setting, make the mixing of modifier and caprolactam abundant, improved the effect of modifier, and then improved the effect to nylon 6 performance improvement.
Description
Technical Field
The invention relates to the technical field of nylon 6 production and processing, in particular to a raw material mixing device and a process of hygroscopic improved nylon 6.
Background
Nylon 6, also called polyamide-6, PA6, nylon 6 is a translucent or opaque milky white semi-crystalline polymer, its characteristics are excellent thermodynamic properties, light weight, good toughness, good chemical and durability, and also has good wear resistance, self-lubricating properties. Nylon 6 has very similar chemical and physical properties to nylon 66, however, it has a low melting point and a wide range of process temperatures.
Nylon 6 has better impact resistance and dissolution resistance than nylon 66 plastic, but has stronger hygroscopicity, because many quality characteristics of the plastic part are influenced by hygroscopicity, and the too strong hygroscopicity also causes too high shrinkage of the nylon 6 plastic raw material, so that the hygroscopicity of nylon 6 is required to be improved and reduced.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a raw material mixing device and a process for hygroscopic improved nylon 6, which can reduce the hygroscopicity of the nylon 6 by adding a modifier, effectively and progressively improve the hygroscopicity of the nylon 6 and simultaneously reduce the shrinkage rate of the nylon 6, and in the process of mixing raw materials, the modifier is fully mixed with caprolactam by arranging a mixing device, so that the action effect of the modifier is improved, and the effect of improving the performance of the nylon 6 is further improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A raw material mixing device of hygroscopicity improvement type nylon 6 comprises a supporting mechanism, a heating and mixing mechanism and a stirring and mixing mechanism, wherein the supporting mechanism comprises a vertical supporting plate, the top end of the vertical supporting plate is fixedly connected with an upper supporting plate, the bottom end of the vertical supporting plate is fixedly connected with a lower supporting plate, the heating and mixing mechanism comprises a heating box, a feeding pipe is communicated with the outer wall of the top of the heating box, electric heating blocks are fixedly connected with the inner walls of the two sides of the heating box, a three-way pipe is communicated with the bottom end of the heating box, the stirring and mixing mechanism comprises a stirring box, the two ends, far away from the heating box, of the three-way pipe penetrate through the outer wall of the top of the stirring box and are communicated with the inside of the stirring box, a driving motor is fixedly connected with the inner wall of the top of the stirring box, a stirring shaft is fixedly connected with the output end of the, the bottom end of the stirring shaft is provided with a direction adjusting box, the stirring shaft penetrates through the outer wall at the top end of the direction adjusting box and is fixedly connected with the direction adjusting box, the bottom end of the stirring shaft is fixedly connected with a driving gear in the direction adjusting box, the inner wall of the direction adjusting box is fixedly connected with two bearings which are symmetrically arranged and are respectively positioned at two sides of the stirring shaft, the inside of each bearing is rotatably connected with a linkage shaft, one end of each linkage shaft is fixedly connected with a driven gear which is meshed with the driving gear, the other end of each linkage shaft penetrates through the outer wall of the direction adjusting box and extends to the outer wall of the direction adjusting box, a plurality of upper shifting plates are fixedly connected on the outer wall of the linkage shaft, a plurality of linkage balls are fixedly connected on the outer walls at two sides of the upper shifting plates, a discharging pipe is communicated on the outer wall at one side of the stirring box, and a temperature control mechanism is fixedly, the linkage ball comprises a balloon, an inflation ball is arranged in the balloon, and a filler filling agent is filled between the inflation ball and the inner wall of the balloon.
Furthermore, the heating box is fixedly arranged at the top end of the upper supporting plate, and the stirring box is fixedly arranged at the top end of the lower supporting plate, so that the supporting mechanism can effectively support and fix the heating box and the stirring box.
Furthermore, the linkage shaft is rotatably connected with the outer wall of the direction adjusting box, a rotary sealing ring is arranged at the joint of the linkage shaft and the outer wall of the direction adjusting box, and the arrangement of the rotary sealing ring can improve the sealing property of the joint of the linkage shaft and the driving gear and prevent raw materials from being adjusted into the box.
Further, driving gear and driven gear are bevel gear, and driving gear and driven gear set up perpendicularly, through driving motor, (mixing) shaft, the puddler, the accent is to the case, the driving gear, a bearing, the universal driving shaft, driven gear, the rotary seal circle, the setting of dialling the board on, start driving motor, can make the (mixing) shaft drive the puddler and rotate, and drive the universal driving shaft through the accent and rotate to the case, stir raw materials primary mixture, make caprolactam and modifier carry out the secondary and mix, drive under driving gear, driven gear's transmission simultaneously, can make the universal driving shaft drive and dial the board and overturn, thereby prevent to have the material to deposit, make caprolactam and modifier more abundant, the effect of modifier has been improved, and then the effect to nylon 6 performance improvement has been improved.
Furthermore, the number of the driven gears on the outer wall of each linkage shaft is four, and the four driven gears are uniformly distributed on the outer wall of the linkage shaft in an annular shape.
Furthermore, valves are arranged on the outer walls of the discharge pipe and the three-way pipe, and a sealing cover is arranged at the top end of the feed pipe.
Further, the material of sacculus is full fluoroether rubber, and full fluoroether rubber elasticity is good and high temperature resistant, wear-resisting, and the sacculus aerifys the ball intussuseption and is filled with the air, the material of filler is the thermoplastic resin granule, through the setting of sacculus, aerifys ball, filler, at the in-process of mixing, and the linkage ball collides with the material, under the elastic effect of sacculus, can further make more abundant that caprolactam and modifier further mix, and the high temperature messenger in the agitator tank aerifys the air inflation in the ball, and then extrudees the ball, and it is exothermic to aerify the ball receive the extrusion, can be convenient for to the heating of raw materials primary mixture.
A raw material mixing process of hygroscopic improved nylon 6 comprises the following steps:
s1, opening a sealing cover at the top end of a feeding pipe, adding a proper amount of hygroscopic improved nylon 6 production raw material into a heating box, closing the sealing cover, starting an electric heating block, adjusting the temperature in a stirring box to 180-;
s2, after heating, opening a valve on the three-way pipe to enable the raw material primary mixture to flow into the stirring box through the three-way pipe, starting a temperature control mechanism, and adjusting the temperature in the stirring box to 220-;
s3, starting a driving motor, enabling a stirring shaft to drive a stirring rod to rotate, enabling a driven gear to rotate and simultaneously driving an upper shifting plate to turn over, and further mixing the primary raw material mixture for a second time, wherein the mixing time is 3-4 hours, so as to obtain a final raw material mixture;
and S4, after the mixing is finished, opening the discharge pipe, and leading out the final raw material mixture to finish the mixing of the raw materials.
Furthermore, the raw materials for producing the hygroscopic improved nylon 6 comprise caprolactam and a modifier, wherein the modifier comprises phenolic resin, polyvinyl phenol and glass fiber, and the weight components of all the components are as follows: 90 parts of caprolactam, 4 parts of phenolic resin, 3 parts of polyvinyl phenol and 4 parts of glass fiber.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the hygroscopicity of nylon 6 is reduced through the addition of the modifier to this scheme, makes the hygroscopicity of nylon 6 obtain effective, progressive improvement to reduced nylon 6's shrinkage factor simultaneously, and at the in-process that the raw materials mixes, through mixing arrangement's setting, make the mixture of modifier and caprolactam abundant, improved the effect of modifier, and then improved the effect to nylon 6 performance improvement.
(2) The hygroscopic improved nylon 6 production raw material comprises caprolactam and a modifier, wherein the modifier comprises phenolic resin, polyvinyl phenol and glass fiber, and the weight components of all the components are as follows: 90 parts of caprolactam, 4 parts of phenolic resin, 3 parts of polyvinyl phenol and 4 parts of glass fiber, wherein the addition of the phenolic resin and the polyvinyl phenol can reduce the hygroscopicity of the nylon 6, so that the hygroscopicity of the nylon 6 is effectively and further improved, and the addition of the glass fiber can reduce the shrinkage rate of the nylon 6 and improve the improvement effect.
(3) Heating cabinet fixed mounting is on the top of last backup pad, and agitator tank fixed mounting is on the top of backup pad down for supporting mechanism can carry out effectual support to heating cabinet and agitator tank and fix.
(4) The universal driving gear box comprises a driving gear, a universal driving gear, a.
(5) Through the setting of heating cabinet, inlet pipe, electrical heating piece, can melt the raw materials heating to make caprolactam and modifier carry out preliminary mixing.
(6) Through driving motor, the (mixing) shaft, the puddler, the accent is to the case, the driving gear, a bearing, the universal driving shaft, driven gear, rotary seal circle, the setting of dialling the board on, start driving motor, can make the (mixing) shaft drive the puddler and rotate, and drive the universal driving shaft through the accent to the case and rotate, stir raw materials primary mixture, make caprolactam and modifier carry out the secondary and mix, simultaneously at the driving gear, driven gear's transmission drives down, can make the universal driving shaft drive and dial the board and overturn, thereby prevent that there is the material to deposit, make caprolactam and modifier more abundant, the effect of modifier has been improved, and then the effect to nylon 6 performance improvement has been improved.
(7) The material of sacculus is full fluoroether rubber, full fluoroether rubber elasticity is good and high temperature resistant, wear-resisting, the ball intussuseption is inflated to the sacculus has the air, the material of filler is the thermoplastic resin granule, through the sacculus, inflate the ball, the setting of filler, at the in-process of mixing, the linkage ball collides with the material, under the elastic effect of sacculus, can further make caprolactam and modifier more abundant of further mixing, and the high temperature messenger in the agitator tank inflates the air inflation in the ball, and then the extrusion inflation ball, it releases heat to inflate the ball to receive the extrusion, can be convenient for to the heating of raw materials primary mixture.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic diagram of a test structure of the present invention;
FIG. 3 is a cross-sectional view of the interior of the heating chamber of the present invention;
FIG. 4 is a cross-sectional view of the inside of the stirring box of the present invention;
FIG. 5 is a cross-sectional view of the invention oriented within the tank;
FIG. 6 is a side view at the linkage shaft of the present invention;
fig. 7 is a schematic view of the layered structure of the interlocking ball of the present invention.
The reference numbers in the figures illustrate:
101 vertical supporting plates, 102 upper supporting plates, 103 lower supporting plates, 201 heating boxes, 202 feeding pipes, 203 electric heating blocks, 204 tee pipes, 301 stirring boxes, 302 driving motors, 303 stirring shafts, 304 stirring rods, 305 direction regulating boxes, 306 driving gears, 307 bearings, 308 linkage shafts, 309 driven gears, 310 rotary sealing rings, 311 upper shifting plates, 312 discharging pipes, 313 temperature control mechanisms, 004 linkage balls, 401 balloons, 402 inflation balls and 403 filling agents.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-7, a raw material mixing device of hygroscopic improved nylon 6 comprises a supporting mechanism, a heating and mixing mechanism and a stirring and mixing mechanism, wherein the supporting mechanism comprises a vertical supporting plate 101, the top end of the vertical supporting plate 101 is fixedly connected with an upper supporting plate 102, the bottom end of the vertical supporting plate 101 is fixedly connected with a lower supporting plate 103, the heating and mixing mechanism comprises a heating box 201, the outer wall of the top of the heating box 201 is communicated with a feeding pipe 202, the inner walls of the two sides of the heating box 201 are fixedly connected with electric heating blocks 203, the raw materials can be heated and melted through the arrangement of the heating box 201, the feeding pipe 202 and the electric heating blocks 203, so that caprolactam and a modifier are primarily mixed, the bottom end of the heating box 201 is communicated with a three-way pipe 204, the stirring and mixing mechanism comprises a stirring box 301, the heating box 201 is fixedly arranged at the top end of the upper supporting plate 102, so that the supporting mechanism can effectively support and fix the heating box 201 and the stirring box 301, two ends of the three-way pipe 204 far away from the heating box 201 both penetrate through the top outer wall of the stirring box 301 and are communicated with the inside of the stirring box 301, the top inner wall of the stirring box 301 is fixedly connected with the driving motor 302, the output end of the driving motor 302 is fixedly connected with the stirring shaft 303, two sides of the stirring shaft 303 are fixedly connected with a plurality of stirring rods 304 which are uniformly and symmetrically arranged, the bottom end of the stirring shaft 303 is provided with the direction adjusting box 305, the stirring shaft 303 penetrates through the top outer wall of the direction adjusting box 305 and is fixedly connected with the direction adjusting box 305, the bottom end of the stirring shaft 303 is fixedly connected with a driving gear 306 positioned inside the direction adjusting box 305, the inner wall of the direction adjusting box 305 is fixedly connected with two bearings 307 which are symmetrically arranged, the two bearings 307 are respectively positioned at two sides, the number of the driven gears 309 on the outer wall of each linkage shaft 308 is four, the four driven gears 309 are uniformly distributed on the outer wall of the linkage shaft 308 in an annular mode, one end of the linkage shaft 308 is fixedly connected with the driven gear 309, the driven gear 309 is meshed with the driving gear 306, the other end of the linkage shaft 308 penetrates through the outer wall of the direction adjusting box 305 and extends to the outer wall of the direction adjusting box 305, the linkage shaft 308 is rotatably connected with the outer wall of the direction adjusting box 305, a rotary sealing ring 310 is arranged at the joint of the linkage shaft 308 and the outer wall of the direction adjusting box 305, the arrangement of the rotary sealing ring 310 can improve the sealing performance of the joint of the linkage shaft 308 and the driving gear 306 and prevent raw materials from being adjusted into the direction adjusting box 305, a plurality of upper shifting plates 311 are fixedly connected to the outer wall of the linkage shaft 308, the driving gear 306 and the driven gear 309 are bevel gears, the driving gear 306 and the, The stirring rod 304, the direction-adjusting box 305, the driving gear 306, the bearing 307, the linkage shaft 308, the driven gear 309, the rotary sealing ring 310 and the upper shifting plate 311 are arranged, the driving motor 302 is started, the stirring shaft 303 can drive the stirring rod 304 to rotate, the linkage shaft 308 is driven by the direction-adjusting box 305 to rotate, a raw material primary mixture is stirred, caprolactam and a modifier are secondarily mixed, the caprolactam and the modifier are driven by the driving gear 306 and the driven gear 309 to drive the linkage shaft 308 to drive the upper shifting plate 311 to turn over, so that material precipitation is prevented, the caprolactam and the modifier are more sufficient, the action effect of the modifier is improved, the performance improvement effect of nylon 6 is improved, a plurality of linkage balls 004 are fixedly connected to the outer walls of two sides of the upper shifting plate 311, the outer wall of one side of the stirring box 301 is communicated with the valve 312, a discharging pipe 312 and the outer wall of the three-way pipe 204 are provided with valves, the top end of the feeding pipe 202 is provided with a sealing cover, the outer wall of one side of the front surface of the stirring box 301 is fixedly connected with a temperature control mechanism 313, the linkage ball 004 comprises a balloon 401, an inflatable ball 402 is arranged in the balloon 401, a filler 403 is filled between the inflatable ball 402 and the inner wall of the balloon 401, the balloon 401 is made of perfluoro-ether rubber which has good elasticity, high temperature resistance and wear resistance, the inflatable ball 402 of the balloon 401 is filled with air, the filler 403 is made of thermoplastic resin particles, and through the arrangement of the balloon 401, the inflatable ball 402 and the filler 403, in the mixing process, the linkage ball 004 collides with the materials, and under the action of the elasticity of the balloon 401, the caprolactam and the modifier can be further mixed more fully, and the air in the inflatable ball 402 is expanded by the high temperature in the stirring box 301, thereby squeezing the inflatable ball 402, the inflatable ball 402 is squeezed to release heat, which can facilitate heating of the raw material mixture.
Referring to fig. 1-7, a process for mixing hygroscopic modified nylon 6 includes the following steps:
s1, opening a sealing cover at the top end of the feeding pipe 202, adding a proper amount of hygroscopic modified nylon 6 production raw material into the heating box 201, closing the sealing cover, starting the electric heating block 203, adjusting the temperature in the stirring box 301 to 180-210 ℃, and heating for 2-3h to melt and preliminarily mix the raw materials to obtain a raw material primary mixture;
s2, after heating, opening a valve on the three-way pipe 204 to enable the raw material primary mixture to flow into the stirring box 301 through the three-way pipe 204, starting the temperature control mechanism 313, and adjusting the temperature in the stirring box 301 to 220-;
s3, starting the driving motor 302, enabling the stirring shaft 303 to drive the stirring rod 304 to rotate, enabling the driven gear 309 to rotate and simultaneously driving the upper shifting plate 311 to turn over, and further mixing the primary raw material mixture for the second time, wherein the mixing time is 3-4h, so as to obtain a final raw material mixture;
and S4, opening the discharge pipe 312 after the mixing is finished, and leading out the final raw material mixture to finish the mixing of the raw materials.
The hygroscopic improved nylon 6 production raw material comprises caprolactam and a modifier, wherein the modifier comprises phenolic resin, polyvinyl phenol and glass fiber, and the weight components of all the components are as follows: 90 parts of caprolactam, 4 parts of phenolic resin, 3 parts of polyvinyl phenol and 4 parts of glass fiber, wherein the addition of the phenolic resin and the polyvinyl phenol can reduce the hygroscopicity of the nylon 6, so that the hygroscopicity of the nylon 6 is effectively and further improved, and the addition of the glass fiber can reduce the shrinkage rate of the nylon 6 and improve the improvement effect.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a hygroscopicity improvement type nylon 6's raw materials mixing device, includes supporting mechanism, heating mixing mechanism, stirring mixing mechanism, its characterized in that: the supporting mechanism comprises a vertical supporting plate (101), an upper supporting plate (102) is fixedly connected to the top end of the vertical supporting plate (101), a lower supporting plate (103) is fixedly connected to the bottom end of the vertical supporting plate (101), the heating and mixing mechanism comprises a heating box (201), a feeding pipe (202) is communicated with the outer wall of the top of the heating box (201), electric heating blocks (203) are fixedly connected to the inner walls of the two sides of the heating box (201), a three-way pipe (204) is communicated with the bottom end of the heating box (201), the stirring and mixing mechanism comprises a stirring box (301), two ends, far away from the heating box (201), of the three-way pipe (204) penetrate through the outer wall of the top of the stirring box (301) and are communicated with the inside of the stirring box (301), a driving motor (302) is fixedly connected to the inner wall of the top of the stirring box (301), and a stirring shaft (303) is fixedly connected, the stirring mechanism is characterized in that a plurality of stirring rods (304) which are uniformly and symmetrically arranged are fixedly connected to two sides of the stirring shaft (303), a direction adjusting box (305) is arranged at the bottom end of the stirring shaft (303), the stirring shaft (303) penetrates through the outer wall of the top end of the direction adjusting box (305) and is fixedly connected with the direction adjusting box (305), a driving gear (306) is fixedly connected to the bottom end of the stirring shaft (303) and is positioned inside the direction adjusting box (305), two bearings (307) which are symmetrically arranged are fixedly connected to the inner wall of the direction adjusting box (305), the two bearings (307) are respectively positioned on two sides of the stirring shaft (303), a linkage shaft (308) is rotatably connected to the inside of each bearing (307), a driven gear (309) is fixedly connected to one end of the linkage shaft (308), the driven gear (309) is meshed with the driving gear (306), and the other end of the linkage shaft (308) penetrates through the outer wall of the direction adjusting box (305) and extends, the utility model discloses a packing machine, including universal driving shaft (308), be equipped with on the outer wall of universal driving shaft (308) fixedly connected with a plurality of boards (311) of dialling, on dial a plurality of linkage balls (004) of equal fixedly connected with on the outer wall of board (311) both sides, the intercommunication has discharging pipe (312) on the outer wall of one side of agitator tank (301), fixedly connected with temperature control mechanism (313) on the outer wall of positive one side of agitator tank (301), linkage ball (004) include sacculus (401), the inside of sacculus (401) is provided with inflatable ball (402), it has filler (403) to fill between the inner wall of inflatable ball (402) and sacculus (401).
2. The raw material mixing device of hygroscopic modified nylon 6 as claimed in claim 1, wherein: the heating box (201) is fixedly arranged at the top end of the upper supporting plate (102), and the stirring box (301) is fixedly arranged at the top end of the lower supporting plate (103).
3. The raw material mixing device of hygroscopic modified nylon 6 as claimed in claim 1, wherein: the linkage shaft (308) is rotatably connected with the outer wall of the direction adjusting box (305), and a rotary sealing ring (310) is arranged at the joint of the linkage shaft (308) and the outer wall of the direction adjusting box (305).
4. The raw material mixing device of hygroscopic modified nylon 6 as claimed in claim 1, wherein: the driving gear (306) and the driven gear (309) are both bevel gears, and the driving gear (306) and the driven gear (309) are vertically arranged.
5. The raw material mixing device of hygroscopic modified nylon 6 as claimed in claim 1, wherein: the number of the driven gears (309) on the outer wall of each linkage shaft (308) is four, and the four driven gears (309) are uniformly distributed on the outer wall of the linkage shaft (308) in an annular shape.
6. The raw material mixing device of hygroscopic modified nylon 6 as claimed in claim 1, wherein: the outer walls of the discharge pipe (312) and the three-way pipe (204) are provided with valves, and the top end of the feed pipe (202) is provided with a sealing cover.
7. The raw material mixing device of hygroscopic modified nylon 6 as claimed in claim 1, wherein: the balloon (401) is made of perfluoro ether rubber, the inflatable ball (402) is filled with air, and the filler (403) is made of thermoplastic resin particles.
8. The process for mixing raw materials of hygroscopic modified nylon 6 as claimed in claims 1-7, wherein: the method comprises the following steps:
s1, opening a sealing cover at the top end of a feeding pipe (202), adding a proper amount of hygroscopic modified nylon 6 production raw material into a heating box (201), closing the sealing cover, starting an electric heating block (203), adjusting the temperature in a stirring box (301) to 180 ℃ and 210 ℃, and heating for 2-3h to melt and preliminarily mix the raw materials to obtain a raw material primary mixture;
s2, after heating, opening a valve on a three-way pipe (204) to enable the raw material primary mixture to flow into the stirring box (301) through the three-way pipe (204), starting a temperature control mechanism (313), and adjusting the temperature in the stirring box (301) to 220 and 230 ℃;
s3, starting a driving motor (302), enabling a stirring shaft (303) to drive a stirring rod (304) to rotate, enabling a driven gear (309) to rotate and simultaneously drive an upper shifting plate (311) to turn over, and further mixing the primary raw material mixture for the second time, wherein the mixing time is 3-4 hours, so as to obtain a final raw material mixture;
and S4, after the mixing is finished, opening the discharge pipe (312) and leading out the final raw material mixture, thus finishing the mixing of the raw materials.
9. The process for mixing raw materials of hygroscopic modified nylon 6 as claimed in claim 8, wherein: the hygroscopic improved nylon 6 production raw material comprises caprolactam and a modifier, wherein the modifier comprises phenolic resin, polyvinyl phenol and glass fiber, and the hygroscopic improved nylon 6 production raw material comprises the following components in parts by weight: 90 parts of caprolactam, 4 parts of phenolic resin, 3 parts of polyvinyl phenol and 4 parts of glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580493.6A CN111888978A (en) | 2020-06-23 | 2020-06-23 | Raw material mixing device and process for hygroscopic improved nylon 6 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580493.6A CN111888978A (en) | 2020-06-23 | 2020-06-23 | Raw material mixing device and process for hygroscopic improved nylon 6 |
Publications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116139798A (en) * | 2023-04-23 | 2023-05-23 | 山东天弘化学有限公司 | Production device and method for preparing acetone through oxidative decomposition of isobutane |
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