CN115155404A - Novel kneading pot and kneading process - Google Patents
Novel kneading pot and kneading process Download PDFInfo
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- CN115155404A CN115155404A CN202210717357.6A CN202210717357A CN115155404A CN 115155404 A CN115155404 A CN 115155404A CN 202210717357 A CN202210717357 A CN 202210717357A CN 115155404 A CN115155404 A CN 115155404A
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- 238000004898 kneading Methods 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 60
- 230000008569 process Effects 0.000 title claims abstract description 54
- 239000000463 material Substances 0.000 claims abstract description 125
- 238000002156 mixing Methods 0.000 claims abstract description 84
- 238000003756 stirring Methods 0.000 claims description 76
- 239000000843 powder Substances 0.000 claims description 70
- 238000010438 heat treatment Methods 0.000 claims description 30
- 239000000853 adhesive Substances 0.000 claims description 29
- 230000001070 adhesive effect Effects 0.000 claims description 28
- 239000000523 sample Substances 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 22
- 239000002562 thickening agent Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 16
- 238000007667 floating Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 229920000049 Carbon (fiber) Polymers 0.000 description 6
- 239000004917 carbon fiber Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
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- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- 239000003350 kerosene Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
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Images
Classifications
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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
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/80—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations
- B01F31/83—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations comprising a supplementary stirring element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/80—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations
- B01F31/86—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations with vibration of the receptacle or part of it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
- B01F33/71—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming working at super-atmospheric pressure, e.g. in pressurised vessels
-
- 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
- B01F35/21—Measuring
- B01F35/213—Measuring of the properties of the mixtures, e.g. temperature, density or colour
-
- 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
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
-
- 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
- B01F35/94—Heating or cooling systems using radiation, e.g. microwaves or electromagnetic radiation
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to equipment for uniformly mixing materials with different particle sizes in the carbon industry and a kneading process, in particular to a novel kneading pot and a kneading process.
Description
Technical Field
The invention relates to equipment for uniformly mixing various materials with different particle sizes in the carbon industry and a kneading process, in particular to a novel kneading pot and a kneading process.
Background
At present, a heat conduction oil heating mode is generally adopted in the material mixing and kneading process, the method mainly improves the material temperature through a heat conduction heat transfer mode, the heating efficiency is low, the time consumption is long, although the materials are continuously stirred and mixed, the influence on the material temperature is obvious if the materials are not contacted with a heat conduction oil pipeline, the material temperature difference at different areas is large, the material temperature rise time is generally more than half an hour, the material particle size can be changed through long-time stirring, the obvious difference exists between the actual material particle size ratio and the process formula, the process stability is further influenced, in order to prevent floating dust from overflowing in the material stirring and mixing process, negative pressure dust removal equipment always keeps a working state, the loss of fine powder is further aggravated, snow frost is added to the distortion of the material particle size ratio, the production energy consumption is improved, and the production cost is increased; in addition, the stirring form and the stirring process of the existing stirring knife are single, materials with different particle sizes are not sufficiently mixed in the stirring process, the aim of quickly and uniformly mixing cannot be achieved, the sealing failure is easily caused by the temperature rise of a knife shaft in the material stirring process, and lubricating oil at the knife shaft is leaked, so that the materials are impure, and the product quality is seriously influenced.
In the prior art, during the processes of adding materials and stirring and mixing, floating dust is easy to overflow, the working environment is seriously influenced, even the health of staff is harmed, and the negative effect on the industry image is very large.
Therefore, there is a strong need to find a kneading apparatus and a kneading process which can reduce the production time and improve the stirring effect and kneading quality.
Disclosure of Invention
The invention aims to provide a novel kneading pot and a kneading process, which overcome the defects of the prior art by improving the structure of the kneading pot, realize uniform and rapid heating of materials by adopting radio frequency heating, reduce the mixing time of the materials, reduce the variation range of the particle sizes of the materials, ensure the proportion of the formula of the materials with various particle sizes, improve the degree of fit between the components of actual materials and the theoretical formula, increase the stability of the process and further ensure the stability of the product quality; through the design of the powder stirring component, materials with different particle sizes can be stirred and mixed more effectively, floating dust is reduced, and the stability of the proportion of fine powder in the formula is improved; through calculating the material volume, the interior of the pot body is pumped and depressurized in advance according to the proportion, thereby not only effectively reducing the floating dust in the stirring and mixing process, but also reducing the dust removal load, avoiding the formula change caused by pumping away fine particle materials in the formula by high-power dust removal, effectively ensuring the formula stability, and further ensuring the stability of the process and the product quality. The pressure in the paste kneading pot is controlled to be negative pressure and then pressurized and then normal pressure, the ultrasonic generator is matched to generate ultrasonic waves in the pressure change process, and the cavitation effect and the resonance effect generated when the ultrasonic waves are transmitted in a liquid state are utilized to enable the adhesive to be better immersed into capillary micropores of the material, so that the infiltration and kneading effects are effectively improved, and the product compactness is improved.
In order to solve the technical problem, the invention provides a novel kneading pot which comprises a powder mixing pot body and a paste kneading pot body which are sequentially arranged from top to bottom, wherein a first feed port is formed in the top of the powder mixing pot body, an auxiliary feed assembly is arranged below the first feed port, a powder stirring assembly is arranged below the auxiliary feed assembly, a dust absorption device is arranged outside the powder mixing pot body, an oil injection hole is formed in the powder mixing pot body, radio frequency heating elements are arranged between the powder mixing pot body and an inner layer pot body and an outer layer pot body of the paste kneading pot body, an ultrasonic generator is arranged between the inner layer pot body and the outer layer pot body at the bottom of the paste kneading pot body, a first discharge port is formed in the bottom of the powder mixing pot body, a second feed port is formed in the top of the kneading pot body, a discharging assembly is arranged between the first discharge port and the second feed port, and a second discharge port is formed in the bottom of the paste kneading pot body.
Furthermore, the auxiliary feeding assembly comprises at least two electric push rods and an umbrella-shaped distributor, the lower ends of the electric push rods are fixed with the umbrella-shaped distributor, and the upper ends of the electric push rods extend out of the powder mixing pot body and are connected with a driving mechanism.
Furthermore, the powder stirring assembly comprises a gear box, a bevel gear assembly arranged in the gear box, a transmission shaft and a fixed rod which are coaxially arranged, the bevel gear assembly comprises a first bevel gear, a second bevel gear and a third bevel gear, the second bevel gear and the third bevel gear are coaxially and symmetrically arranged in the gear box and are respectively meshed with the first bevel gear, one end of the fixed rod far away from the gear box is fixed on the inner wall of the powder mixing pot body, one end of the transmission shaft penetrates through the outside of the powder mixing pot body and is connected with a motor output end, the other end of the transmission shaft penetrates through the inside of the gear box and is connected with the first bevel gear, the second bevel gear is connected with a first cutter shaft, the end part of the first cutter shaft is provided with a first stirring cutter, the third bevel gear is connected with a second cutter shaft, the second cutter shaft is sleeved on the outer side of the first cutter shaft, and the end part of the second cutter shaft is provided with a second stirring cutter.
Further, arrange the material subassembly including arranging material stopper, bracing piece and carriage release lever, arrange the material stopper with bracing piece fixed connection, the one end of carriage release lever with bracing piece fixed connection, the other end is worn out the thickener thoughtlessly holds between fingers the pot external connection of external actuating mechanism.
Furthermore, an adhesive adding hole is formed in the paste kneading pot body, a paste stirring assembly is arranged in the paste kneading pot body and comprises a Z-shaped stirring knife, and a video probe, a temperature sensing probe and an air pressure adjusting port are arranged on the paste kneading pot body and the powder mixing pot body.
Furthermore, the top of the gear box is conical, and the second bevel gear and the third bevel gear are fixed with the upper inner wall and the lower inner wall of the gear box through bearings.
Furthermore, the lower extreme of bracing piece is connected with the second carriage bar, the one end of second carriage bar is inlayed and is established between the outer pot body of the thickener kneading pot body.
On the other hand, the invention also provides a kneading process of the novel kneading pot, which is used for processing, and the process comprises the following steps:
s1, adjusting the air pressure in a powder mixing pot body and a paste mixing pot body according to the volume of the added materials; according to the volume of the materials and the actual volume of the pot body, the height of the umbrella-shaped distributor from the bottom of the pot is calculated by an external computer according to a height calculation formula, and an electric push rod is controlled to drive the umbrella-shaped distributor to realize position change; and controlling the radio frequency heating element to preheat the powder mixing pot body and the paste mixing pot body.
S2, opening the powder stirring assembly to enable the first stirring knife and the second stirring knife to rotate, and then enabling the materials weighed according to the formula to enter a powder mixing pot body from the first feeding hole through the auxiliary feeding assembly; in the mixing process, the temperature of the materials is known in time through a temperature sensing probe, and signals are fed back to a computer, the computer adjusts the heating frequency according to the material quantity and the detected temperature, the temperature in a pot of the powder mixing pot body is kept at 90-140 ℃, the air pressure in the pot is continuously adjusted through an air pressure adjusting port, evaporated water and other volatile components are separated, and atomized oil is sprayed into an oil spraying hole, so that the oil and the materials are quickly mixed under the stirring effect; the production condition in the pot body can be known in time through the video probe, and the materials are discharged into the paste kneading pot through the discharge hole after the temperature and the mixing condition of the materials meet the process requirements. Wherein the pot temperature of the powder mixing pot body is preferably 110-130 ℃.
S3, opening a paste stirring assembly, spraying the adhesive into the pot body in a spraying mode and then injecting the adhesive in a flowing mode through an adhesive adding hole according to actual production conditions, controlling the pressure in the paste kneading pot to be firstly negative pressure, secondly positive pressure and secondly normal pressure, so that the adhesive is favorably immersed into the capillary aperture of the material, the paste kneading quality is improved, the paste porosity is reduced, and the product compactness is improved; in addition, in the pressure change process, the adhesive is better immersed into the capillary micropores of the material by matching with the ultrasonic wave generated by the ultrasonic generator and utilizing the cavitation effect and the resonance effect generated when the ultrasonic wave is transmitted in the liquid state; in the kneading process, the temperature of the materials in the pot body is known in time through the temperature sensing probe, signals are fed back to the computer, the computer changes the heating frequency in real time according to the material quantity and the detected temperature, the temperature in the pot of the paste kneading pot is kept at 110-160 ℃, and the materials are discharged through the second discharge hole after the kneading is finished. Wherein, know the production conditions in time through video probe, adjust the adhesive quantity according to actual conditions.
Further, in the step S1, air suction and pressure reduction are performed according to 1.1 to 1.3 times of the volume of the material, preferably 1.2 times, wherein the volume of the material can be obtained by dividing the weight by the average density after the average density of the material required for actual production is measured, or an empirical value is obtained by measuring the volume on site after the material is directly weighed, or an average value is obtained between the theoretical value and the actual value; the height calculation formula is H Height from the bottom of the pot ＝KV Volume of material /S Cross section area of kneading pot Wherein the value of the increasing coefficient K is 1.05-1.45, and the optimal value is 1.25; the temperature of preheating the powder mixing pot body and the paste mixing and kneading pot body by the radio frequency heating element is controlled to be 100-120 ℃.
Further, the pot temperature of the paste kneading pot in the step S3 is 140-150 ℃.
The invention has the beneficial effects that:
1. the materials can be rapidly and uniformly heated by a radio frequency heating mode, the production time is shortened, the utilization rate of equipment is improved, and the problems of slow heating, nonuniform material temperature and long stirring time at present are solved; the long time of the material mixing and stirring process can cause the particle size change of the material, cause the inconsistency of the actual material proportion and the formula, and further cause the poor stability of the process and the product quality; the powder mixing pot body and the paste mixing pot body are both made of carbon fiber materials which can be subjected to radio frequency and ultrasonic waves, and the powder mixing pot body and the paste mixing pot body are both provided with access holes, so that the light weight of the equipment is realized, and the maintenance and the repair can be conveniently carried out.
2. Through the design of the auxiliary feeding assembly, the mixing space for uniformly stirring the materials is ensured, and the space for diffusing floating dust is reduced; the design that combines dust absorbing device can reduce or stop the excessive problem of the fly ash of material interpolation and stirring mixing in-process, has not only reduced the probability that fine material is lost, has still optimized the production environment, and is of great benefit to a line of workman's physical and mental health, can effectively promote the industry image.
3. Through the design of the powder stirring component, materials are stirred in two rotating directions, the material mixing uniformity is improved, the equipment stirring efficiency is improved, and the production efficiency is improved;
4. through the designed adhesive adding mode of firstly spraying and then flowing injection, not only can dust fall be effectively reduced and the stability and reliability of the formula be ensured, but also the uniformity of the absorption of the adhesive by the fine materials in the formula is enhanced, the kneading resistance in the adhesive adding process can be reduced, the overload operation of the kneading external motor is prevented, and the severe fluctuation of the power supply voltage is prevented.
5. In the kneading process, the pressure in the paste kneading pot is controlled to be firstly negative pressure and then pressurization and then normal pressure, the ultrasonic oscillation process is assisted in the pressure change process, and the cavitation effect and the resonance effect generated when ultrasonic waves are transmitted in the liquid state are utilized, so that the adhesive is better immersed into capillary micropores of the material, the micropore filling rate and the kneading uniformity of the material are improved, and the kneading quality and the compactness of the product are improved.
6. Can in time know the production conditions through video probe, temperature perception probe, adjust the adhesive quantity, control radio frequency heating temperature according to actual conditions, need not to open the thoughtlessly to hold between the fingers cavity and look over the production conditions, stopped the effusion of thoughtlessly holding between the fingers in-process poisonous volatile substance and dust, optimized operational environment, reduced occupation disease probability, effectively promote the industry image.
7. The cutter body of first stirring sword and second stirring sword adopts carbon fiber material, and first arbor and second arbor adopt metal material, so alright realize: the radio frequency heating element can heat the cutter body without heating the cutter shaft, can effectively avoid the problems of sealing failure, lubricating oil leakage, lubricating failure and cutter shaft damage caused by the temperature rise of the cutter shaft, can effectively solve the problem that the cutter shaft is inconvenient to cool because the stirring cutter is heated by adopting heat conduction oil in the prior art, and can effectively avoid the problems that the lubricating oil leakage pollutes materials caused by the sealing failure of the cutter shaft; and the fiber stirring knife has small self weight, can effectively reduce energy consumption, and the fiber knife body has small temperature difference with materials in the heating process, is more favorable for material temperature rise, and is more favorable for stability and uniformity of stirring and kneading.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of the novel kneader pot of the present invention;
FIG. 2 is a schematic structural view of an auxiliary feeding assembly of the novel kneader pot of the present invention;
FIG. 3 is a schematic structural view of a powder stirring assembly of the novel kneading pot of the present invention;
FIG. 4 is a partial schematic view of a bevel gear assembly of the novel kneader pot of the present invention;
in the figure: 1-powder mixing pot body, 2-paste mixing pot body, 3-discharge component connection, 4-auxiliary feeding component, 5-powder stirring component, 6-dust absorption device, 7-radio frequency heating component, 8-ultrasonic generator, 11-first feeding hole, 12-oil injection hole, 21-second discharge hole, 22-adhesive addition hole, 23-paste stirring component, 31-discharge plug, 32-support rod, 33-moving rod, 34-second moving rod, 41-electric push rod, 42-umbrella distributor, 51-gear box, 52-umbrella gear component, 53-transmission shaft, 54-fixed rod, 521-first bevel gear, 522-second bevel gear, 523-third bevel gear, 524-first cutter shaft, 525-first stirring cutter shaft, 526-second cutter shaft, 527-second stirring cutter shaft, 528-bearing, 100-video probe, 200-temperature sensing probe, 300-air pressure adjusting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In one embodiment of the present invention, as shown in fig. 1, a novel kneading pot comprises a powder mixing pot body 1 and a paste kneading pot body 2 which are sequentially arranged from top to bottom, wherein a first feed port 11 is arranged at the top of the powder mixing pot body 1, and an auxiliary feed assembly 4 is arranged below the first feed port 11, so that fly ash can be effectively reduced, material loss can be reduced, formulation distortion can be prevented, and material mixing uniformity can be effectively improved; a powder stirring component 5 is arranged below the auxiliary feeding component 4, a dust absorption device 6 is arranged on the outer side of the powder mixing pot body 1, an oil injection hole 12 is formed in the powder mixing pot body 1, the injection angle of the injection hole can be adjusted, through injecting materials such as anthracene oil, kerosene and the like, floating dust can be reduced, a layer of infiltration oil film can be formed in material micropores, the infiltration effect of the materials in the formula materials can be effectively improved, the mechanical performance of a product is improved, and the carbon residue rate is improved so as to improve the compactness of the product;
the inner layer pot body of the powder mixing pot body 1 and the inner layer pot body of the paste kneading pot body 2 are made of carbon fiber materials, the radio frequency heating elements 7 are arranged between the inner layer pot body and the outer layer pot body of the powder mixing pot body 1 and the paste kneading pot body 2, materials in the powder mixing pot body 1 and the paste kneading pot body 2 can be uniformly and rapidly heated, moisture can be effectively separated by matching with pressure intensity change in the process, the purity of the materials is improved, the kneading process is convenient to carry out, and the compactness of the product is improved;
be equipped with supersonic generator 8 between the outer layer pot body in the bottom of the thickener thoughtlessly hold between the fingers pot body 2, the bottom of the powder mixing pot body 1 is equipped with first discharge gate, the top that the thickener thoughtlessly holds between the fingers pot body 2 is equipped with the second feed inlet, be equipped with between first discharge gate and the second feed inlet and arrange material subassembly 3, the bottom that the thickener thoughtlessly holds between the fingers pot body 2 is equipped with second discharge gate 21, be equipped with adhesive interpolation hole 22 on the thickener thoughtlessly holds between the fingers pot body 2, be equipped with thickener stirring subassembly 23 in the thickener thoughtlessly holds between the fingers pot body 2, thickener stirring subassembly 23 includes Z style of calligraphy stirring sword, all be equipped with video probe 100 on the thickener thoughtlessly holds between the fingers pot body 2 and the powder mixing pot body 1, temperature sensing probe 200 and air pressure regulation mouth 300, wherein, radio frequency heating member 7, powder stirring subassembly 5, supersonic generator 8, thickener stirring subassembly 23 is by computer control system control.
Actuating mechanism drive carriage release lever 33 makes and pushes down or lifts up the motion, realizes closing or arranging the material action of the mixed pot body 1 of powder, arranges the material process of 3 row of material subassemblies: after the stirring of the interior material of powder mixing pot body 1 is mixed, actuating mechanism drive carriage release lever 33 does and lifts up the motion, and is concrete, and carriage release lever 33 uses and thoughtlessly holds between the fingers pot body 2 contact site with the thickener to rotate as the fulcrum, drives bracing piece 32 and rotates with the tie point with carriage release lever 33 for arrange material stopper 31 and rotate out from between first discharge gate and the second feed inlet, form the material mouth, and the material of being convenient for gets into the thickener and thoughtlessly holds between the fingers pot body 2 and carry out the operation of thoughtlessly holding between the fingers of thickener on next step. Wherein, the second moving rod 34 rotates by taking the contact part of the paste kneading pot body 2 as a fulcrum, and the stability in the rotating process is improved.
As shown in fig. 2, the auxiliary feeding assembly 4 includes an electric push rod 41 and an umbrella-shaped distributor 42, the electric push rod 41 has four parts and is distributed equidistantly along the circumference, the lower end of the electric push rod 41 is fixed to the umbrella-shaped distributor 42, the upper end of the electric push rod extends out of the powder mixing pot 1 and is connected with a driving mechanism, the electric push rod 41 drives the umbrella-shaped distributor 42 to adjust the vertical distance, so as to ensure the uniform mixing space for the materials, reduce the dispersion space of floating dust, reduce the loss of fine powder in the formula, improve the matching degree between the actual material ratio and the formula material ratio, and further improve the process and product stability.
As shown in fig. 3-4, the powder stirring assembly 5 includes a gear box 51, a bevel gear assembly 52 disposed in the gear box 51, a transmission shaft 53 and a fixing rod 54 coaxially disposed, the bevel gear assembly 52 includes a first bevel gear 521, a second bevel gear 522 and a third bevel gear 523, the top of the gear box 51 is in a conical shape, the second bevel gear 522 and the third bevel gear 523 are coaxially and symmetrically disposed in the gear box 51 and respectively engaged with the first bevel gear 521, one end of the fixing rod 54 far away from the gear box 51 is fixed on the inner wall of the powder mixing pot 1, one end of the transmission shaft 53 penetrates through the powder mixing pot 1 and is connected to an output end of a motor, the other end penetrates through the gear box 51 and is connected to the first bevel gear 521, the second bevel gear 522 is connected to a first cutter shaft 524, an end of the first cutter shaft 524 is provided with a first stirring cutter shaft 525, the third bevel gear 523 is connected to a second cutter shaft 526, the second cutter shaft 526 is sleeved on the outer side of the first cutter shaft 524, an end of the second cutter shaft 526, and the second bevel gear 522 and the third bevel gear are fixed to the upper and lower inner wall of the gear box 51 through a bearing 528.
The output end of the motor drives the transmission shaft 53 to rotate, so as to drive the first bevel gear 521 to rotate, so as to drive the second bevel gear 522 and the third bevel gear 523 to rotate, indirectly drive the first stirring knife 525 and the second stirring knife 527 to rotate, and stir materials in two directions, so that the uniformity of material mixing is improved, and the stirring speed and the production efficiency are improved.
The first stirring knife 525, the second stirring knife 527 and the Z-shaped stirring knife are made of carbon fiber materials, and the first knife shaft 524 and the second knife shaft 526 are made of metal materials, so that the radio frequency heating element 7 can heat the knife bodies without heating the knife shafts, the situation that lubricating oil fails due to temperature rise of the knife shafts and the knife shafts are damaged is prevented, and the problem that the knife shafts are inconvenient to cool in the process of heating the stirring knives by heat conduction oil in the prior art can be effectively solved; the conditions that the sealing damage of the cutter shaft and the impure paste caused by the leakage of lubricating oil seriously affect the kneading quality of products are avoided; and the fiber stirring knife has small self weight, the carbon fiber knife body has high heating rate and uniform temperature rise, the temperature difference between the carbon fiber knife body and the material and the adhesive is small, the uniformity of material stirring and mixing kneading is more favorable, and the production energy consumption can be effectively reduced.
On the other hand, the invention also provides a kneading process of the novel kneading pot, which adopts the novel kneading pot for processing and comprises the following process steps:
s1, exhausting air according to 1.1-1.3 times of the volume of the material, adjusting the air pressure in a powder mixing pot, and preventing fine powder floating dust in the material from overflowing, wherein different from the prior art which adopts high-power negative pressure dust collection, the method can effectively avoid fine material loss, improve the fit degree of actual material proportion and formula, and improve the process stability; according to the volume of the materials and the actual volume of the pot body, the materials are pressed according to H by an external computer Height from the bottom of the pot ＝1.25V Volume of material /S Cross section area of kneading pot Calculating the height of the umbrella-shaped distributor from the bottom of the pot and controlling an electric push rod to drive the umbrella-shaped distributor to realize position change; not only the mixing space for uniformly stirring the materials is ensured, but also the diffusion space of the floating dust is reduced; the temperature of the radio frequency heating element for preheating the powder mixing pot body and the paste kneading pot body is controlled to be 100-120 ℃.
S2, opening a powder stirring assembly to enable a first stirring knife and a second stirring knife to rotate rapidly, then enabling materials weighed according to a formula to enter a powder mixing pot body through an auxiliary feeding assembly from a first feeding hole, continuously adjusting air pressure in the pot through an air pressure adjusting port, separating volatile components such as evaporated water, spraying oil into oil spraying holes, reducing floating dust, improving uniform adsorption of the materials to the oil, and enabling the oil and the materials to be rapidly mixed under the stirring effect; in the mixing process, the temperature of the materials is known in time through the temperature sensing probe, the radio frequency heating frequency is adjusted, the temperature in the pot of the powder mixing pot body is kept at 100-120 ℃, the production condition is known in time through the video probe, and the materials are discharged into the paste mixing pot through the first discharge port after being uniformly mixed.
S3, opening a paste stirring assembly, controlling the pressure in a paste kneading pot to be negative pressure, spraying atomized adhesive into the adhesive adding holes, controlling the air pressure to be pressurized and then keeping the pressure at normal pressure in the stirring process, effectively improving the infiltration of the adhesive such as asphalt and the like to the material, reducing the ratio of gaps in the material, matching ultrasonic waves generated by an ultrasonic generator in the pressure change process, and making the adhesive better immersed into capillary micropores of the material by utilizing the cavitation effect and the resonance effect generated when the ultrasonic waves are transmitted in a liquid state; in the kneading process, the temperature of the materials is known in time through a temperature sensing probe capable of freely adjusting the angle, the radio frequency heating frequency is adjusted, the temperature in the pot of the paste kneading pot is kept at 140-150 ℃, and the materials are discharged through a second discharge hole after the temperature is up.
The method comprises the following steps of adding mixed and stirred materials into a paste kneading pot, spraying an adhesive in a spraying mode in the process, changing the spraying mode into flowing injection when a video probe is used for observing that floating dust in the pot body is basically inhibited, controlling time parameters or the dosage of the adhesive in the process by using a computer, achieving the function of spraying and flowing, determining the dosage of the adhesive formula when the video probe is started, and monitoring the operation process after the dosage is determined.
The above disclosure is only one preferred embodiment of the present invention, and certainly should not be construed as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a novel mix and hold between fingers pot, a serial communication port, include from last to down the powder mixing pot body (1) and the thickener that set gradually mix and hold between the fingers pot body (2), the top of the powder mixing pot body (1) is equipped with first feed inlet (11), the below of first feed inlet (11) is equipped with supplementary feeding subassembly (4), the below of supplementary feeding subassembly (4) is equipped with powder stirring subassembly (5), the outside of the powder mixing pot body (1) is equipped with dust absorbing device (6), be equipped with oil jet orifice (12) on the powder mixing pot body (1), the powder mixing pot body (1) with mix and hold between the outer pot body of the interior outer floor of the kneading pot body (2) and all be equipped with radio frequency heating member (7), the thickener mixes and is equipped with supersonic generator (8) between the bottom of the kneading pot body (2), the bottom of the powder mixing pot body (1) is equipped with first discharge gate, the top of the mixing pot body (2) is equipped with the second feed inlet, first discharge gate with be equipped with between the second discharge gate (3), the thickener discharge gate (21) is equipped with the bottom of kneading pot body (2).
2. The novel kneading pot according to claim 1, characterized in that the auxiliary feeding assembly (4) comprises at least two electric pushing rods (41) and an umbrella-shaped distributor (42), the lower end of each electric pushing rod (41) is fixed with the umbrella-shaped distributor (42), and the upper end of each electric pushing rod extends out of the powder mixing pot (1) and is connected with a driving mechanism.
3. Kneading pot in accordance with claim 1, characterized in that the powder stirring assembly (5) comprises a gear box (51), a bevel gear assembly (52) arranged inside the gear box (51), a coaxially arranged transmission shaft (53) and a fixing rod (54), the bevel gear assembly (52) comprises a first bevel gear (521), a second bevel gear (522) and a third bevel gear (523), the second bevel gear (522) and the third bevel gear (523) are coaxially and symmetrically arranged in the gear box (51) from top to bottom, and are respectively engaged with the first bevel gear (521), one end of the fixed rod (54) far away from the gear box (51) is fixed on the inner wall of the powder mixing pot body (1), one end of the transmission shaft (53) penetrates out of the powder mixing pot body (1) and is connected with a motor output end, the other end of the transmission shaft penetrates into the gear box (51) and is connected with the first bevel gear (521), a first cutter shaft (524) is connected to the second bevel gear (522), a first stirring knife (525) is arranged at the end part of the first knife shaft (524), a second knife shaft (526) is connected to the third bevel gear (523), the second cutter shaft (526) is sleeved on the outer side of the first cutter shaft (524), and a second stirring knife (527) is arranged at the end part of the second knife shaft (526).
4. The mixing kneading pot as claimed in claim 1, characterized in that the discharging assembly (3) comprises a discharging plug (31), a support rod (32) and a moving rod (33), the discharging plug (31) is fixedly connected with the support rod (32), one end of the moving rod (33) is fixedly connected with the support rod (32), and the other end of the moving rod penetrates out of the paste mixing kneading pot (2) and is connected with a driving mechanism.
5. The novel kneading pot of claim 1, wherein the paste kneading pot body (2) is provided with an adhesive adding hole (22), the paste kneading pot body (2) is provided with a paste stirring component (23), the paste stirring component (23) comprises a Z-shaped stirring knife, and the paste kneading pot body (2) and the powder mixing pot body (1) are provided with a video probe (100), a temperature sensing probe (200) and an air pressure adjusting port (300).
6. A novel kneading pot according to claim 3, characterized in that the top of the gear box (51) is conical, and the second bevel gear (522) and the third bevel gear (523) are fixed to the upper and lower inner walls of the gear box (51) by means of bearings (528).
7. A novel kneading pot as claimed in claim 4, characterized in that the lower end of the support bar (32) is connected with a second moving bar (34), and one end of the second moving bar (34) is embedded between the inner and outer pot bodies of the paste kneading pot body (2).
8. A kneading process of a novel kneading pot, which is processed by adopting the novel kneading pot as claimed in claims 1-7, and is characterized by comprising the following steps:
s1, adjusting the air pressure in a powder mixing pot body and a paste mixing pot body according to the volume of the added materials; according to the volume of the materials and the actual volume of the pot body, the height of the umbrella-shaped distributor from the bottom of the pot is calculated by an external computer according to a height calculation formula, and an electric push rod is controlled to drive the umbrella-shaped distributor to realize position change; controlling a radio frequency heating element to preheat the powder mixing pot body and the paste material kneading pot body;
s2, opening the powder stirring assembly to enable the first stirring knife and the second stirring knife to rotate, and then enabling the materials weighed according to the formula to enter a powder mixing pot body from the first feeding hole through the auxiliary feeding assembly; in the mixing process, the temperature of the materials is known in time through a temperature sensing probe, and signals are fed back to a computer, the computer adjusts the heating frequency according to the material quantity and the detected temperature, and the pot temperature of the powder mixing pot body is kept at 90-140 ℃; continuously adjusting the air pressure in the pot through an air pressure adjusting port, separating volatile components from evaporated moisture, and spraying atomized oil into the oil spraying holes so that the oil and the material are quickly mixed under the stirring action; the production condition in the pot body can be known in time through the video probe, and the materials are discharged into the paste kneading pot through the discharge hole after the temperature and the mixing condition of the materials meet the process requirements.
S3, opening a paste stirring assembly, spraying the adhesive into the pot body in a spray mode firstly through an adhesive adding hole according to the actual production situation, then injecting the adhesive in a flowing mode, controlling the pressure in the paste kneading pot to be negative pressure firstly, then pressurizing and then carrying out normal pressure, matching with ultrasonic waves generated by an ultrasonic generator in the pressure change process, and enabling the adhesive to be better immersed into capillary micropores of the material by utilizing the cavitation effect and the resonance effect generated when the ultrasonic waves are transmitted in a liquid state; in the kneading process, the temperature of the paste material in the pot body is known in time through a temperature sensing probe, and a signal is fed back to a computer, the computer changes the heating frequency in time according to the paste material amount and the detected temperature, and the temperature in the pot of the paste material kneading pot is kept at 110-160 ℃; and discharging through a second discharge port after the kneading is finished. Wherein, in time know the production conditions through video probe, adjust the adhesive quantity according to actual conditions.
9. According to the rightThe kneading process of the novel kneading pot according to claim 8, characterized in that in S1, air is pumped and depressurized according to 1.1-1.3 times of the volume of the material; the height calculation formula is H Height from the bottom of the pot ＝KV Volume of material /S Cross section area of kneading pot Wherein the value of the increasing coefficient K is 1.05-1.45; the temperature of the radio frequency heating element for preheating the powder mixing pot body and the paste kneading pot body is controlled to be 100-120 ℃.
10. The kneading process of a novel kneader pot as claimed in claim 8, characterized in that the pot temperature of the paste kneader pot in S3 is 140-150 ℃.
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| CN202210717357.6A CN115155404A (en) | 2022-06-23 | 2022-06-23 | Novel kneading pot and kneading process |
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| CN202210717357.6A CN115155404A (en) | 2022-06-23 | 2022-06-23 | Novel kneading pot and kneading process |
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