CN112743699A - Preparation process of plastic processing lubricant - Google Patents

Preparation process of plastic processing lubricant Download PDF

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Publication number
CN112743699A
CN112743699A CN202011265340.9A CN202011265340A CN112743699A CN 112743699 A CN112743699 A CN 112743699A CN 202011265340 A CN202011265340 A CN 202011265340A CN 112743699 A CN112743699 A CN 112743699A
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CN
China
Prior art keywords
tank body
wall
plastic processing
grinding block
grinding
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CN202011265340.9A
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Chinese (zh)
Inventor
曹禹
王戗戗
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Individual
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Individual
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Priority to CN202011265340.9A priority Critical patent/CN112743699A/en
Publication of CN112743699A publication Critical patent/CN112743699A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
    • B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/105—Silica
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/14—Synthetic waxes, e.g. polythene waxes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic

Abstract

The invention relates to the technical field of plastic processing lubricants, in particular to a preparation process of a plastic processing lubricant, wherein a reaction kettle used in the process comprises a tank body, a discharge hole is formed in one side of a bottom plate of the tank body, a feed hole is formed in one side of an upper cover of the tank body, and a motor is fixedly arranged in the middle of the upper cover; the output end of the motor is rotatably connected with a rotating shaft, and the rotating shaft extends into the tank body and is connected with a plurality of groups of stirring blades; a plurality of groups of heating assemblies are uniformly distributed in the side wall of the tank body; a grinding block is fixedly arranged on a rotating shaft at the upper part in the tank body, the upper end of the grinding block is arranged in a conical surface manner, and a gap is formed between the periphery of the grinding block and the inner wall of the tank body; the arrangement of the grinding block is beneficial to improving the heated surface area of the material, so that the adding and melting speed of the material is improved, the preparation time is shortened, and the working efficiency is improved; meanwhile, the material can be ground and refined, so that the material is easier to stir uniformly, and a better lubricating effect is achieved.

Description

Preparation process of plastic processing lubricant
Technical Field
The invention relates to the technical field of plastic processing lubricants, in particular to a preparation process of a plastic processing lubricant.
Background
The plastic production and processing amount of China is the second place in the world, and the annual demand accounts for ten percent of the total consumption of the world. The domestic practical situation is as follows: the produced general plastic is more and the product is surplus, while the produced engineering plastic is less and needs a large amount of import and supply each year. Taking polypropylene as an example, the import of the polypropylene is 162 tons in 2000, and the import of the polypropylene reaches 520 million tons in 2009.
The method has the advantages that the modification of reinforced plastics is realized, the productivity of engineering plastics is increased, the method is one of fifteen major attack and customs projects in the petrochemical industry, and the current common methods mainly comprise the following two steps: firstly, a high-performance PP product is directly developed by utilizing a polymer synthesis technology, but the technical difficulty of developing and producing the product is high, the investment cost is high, the construction period is long, the environmental protection treatment is difficult, and compared with foreign countries, the product is still in a lagging state at home at present; and secondly, the method of adding the auxiliary agent is utilized, the defects of the polypropylene are overcome through modification, certain performances of the polypropylene are improved, and the polypropylene meets the standards of certain special materials.
In the production process of plastic processing, people usually add a certain amount of processing aids into the polyvinyl chloride resin powder to change the chemical properties of the polyvinyl chloride material, so that the polyvinyl chloride material meets the process requirements of plastic molding and processing and various technical indexes of different polyvinyl chloride products. These processing aids are mainly: plasticizers, toughening agents, lubricants, stabilizers, and the like.
Wherein, the lubricant plays an important role in the processing technology of plastics and the performance of products thereof; at present, the lubricant is obtained by mainly using fatty alcohol, fatty acid, soybean oil and the like as main raw materials and processing the main raw materials. However, in the preparation process of the lubricant, materials need to be added into the reaction kettle to be melted and stirred for mixing, whether the materials are stirred uniformly or not directly affects the quality of the finally prepared lubricant, the stirring effect of the existing reaction kettle is poor, the fluidity of the materials in the reaction kettle is poor, and the materials are difficult to be stirred uniformly, so that the quality of the prepared lubricant is difficult to be guaranteed.
The preparation process of the plastic processing lubricant is designed, and the arrangement of the grinding block is favorable for improving the heated surface area of the material, so that the adding and melting speed of the material is improved, the preparation time is shortened, and the working efficiency is improved; meanwhile, the material can be ground and refined, so that the material is easier to stir uniformly, and a better lubricating effect is achieved.
Disclosure of Invention
The invention provides a preparation process of a plastic processing lubricant, which aims to make up for the defects of the prior art and solve the problems that the stirring effect of the prior reaction kettle is poor, so that the fluidity of the materials in the reaction kettle is poor, the materials are difficult to stir uniformly, and the quality of the prepared lubricant is difficult to ensure.
The technical scheme adopted by the invention for solving the technical problems is as follows: a preparation process of a plastic processing lubricant comprises the following steps:
s1, putting 45-65 parts of polyethylene wax, 15-20 parts of modified polypropylene wax, 10-15 parts of maleic anhydride and 0.5-2.5 parts of calcium stearate by weight into a reaction kettle, heating to 90 ℃, and uniformly stirring to obtain a fluid liquid;
s2, adding 1-5 parts by weight of silicon dioxide powder and 0.5-2 parts by weight of alumina powder into the fluid liquid obtained in the step S1, and uniformly stirring to obtain a lubricant;
s3, heating the lubricant uniformly mixed in the step S2 in a screw extruder, wherein the extrusion temperature is 80-120 ℃, and carrying out extrusion granulation on the lubricant;
the reaction kettle comprises a tank body, a discharge hole is formed in one side of a bottom plate of the tank body, a feed hole is formed in one side of an upper cover of the tank body, and a motor is fixedly arranged in the middle of the upper cover; the output end of the motor is rotatably connected with a rotating shaft, and the rotating shaft extends into the tank body and is connected with a plurality of groups of stirring blades; a plurality of groups of heating assemblies are uniformly distributed in the side wall of the tank body; the grinding block is fixedly arranged on the rotating shaft at the upper part in the tank body, the upper end of the grinding block is arranged as a conical surface, and a gap exists between the periphery of the grinding block and the inner wall of the tank body.
When the material adding device is used, materials are added into the tank body through the feeding hole, the motor and the adding assembly are started, the motor drives the grinding block and the stirring blades to rotate through the rotating shaft, and the upper end face of the grinding block is a conical surface, so that the materials move to the outer side of the grinding block under the action of self weight and centrifugal force and are extruded when passing through a gap between the periphery of the grinding block and the inner wall of the tank body, so that preliminary grinding of polyethylene wax and modified polypropylene wax is realized, the heated surface area of the materials is favorably improved, the adding and melting speed of the materials is further improved, the preparation time is shortened, and the working efficiency is improved; the grinding effect between the grinding block and the inner wall of the tank body can also grind and refine silicon dioxide powder and aluminum oxide powder, so that the silicon dioxide powder and the aluminum oxide powder are easier to stir uniformly, and meanwhile, finer particles can achieve a better lubricating effect; meanwhile, the grinding block can also block hot air at the lower part in the tank body from flowing to the upper part of the tank body, so that a certain heat preservation effect is achieved, and the energy-saving and environment-friendly effects are achieved.
Preferably, the lower end of the grinding block is arranged in an inverted conical surface, the lower end of the grinding block is provided with a grinding disc matched with the lower end of the grinding block, and a grinding gap is formed by a gap between the grinding disc and the lower end surface of the grinding block; a plurality of sieve pores are uniformly distributed on the grinding disc; the grinding disc periphery is provided with the draw-in groove, be provided with the fixture block that matches with the draw-in groove on the internal wall of jar. Through the arrangement of the grinding disc, the material can be secondarily ground by utilizing a gap between the grinding disc and the lower end face of the grinding block, so that the particles of the material are smaller, and the quality of a finished product is improved; meanwhile, the lower end of the grinding block is arranged in an inverted conical surface, so that the lower end part of the grinding block can extend to the position below the molten liquid surface, and further the space of air above the liquid surface is squeezed, the air storage on the liquid surface is reduced, further the foam at the liquid surface during subsequent stirring is reduced, and the problem that the quality of a finished product is influenced by too many bubbles on the liquid surface is avoided; set up draw-in groove and fixture block, can make the installation of abrasive disc change become convenient and fast.
Preferably, a spiral plate is arranged on the rotating shaft between the adjacent stirring blades, and the outer diameter of the spiral plate is smaller than the maximum outer diameter of the stirring blades. Through the arrangement of the spiral plate, the spiral plate can rotate when the rotating shaft rotates, so that the inner layer material is lifted upwards, the material exchange between the inner layer material and the outer layer material is accelerated, the materials are sufficiently dispersed and mixed, the quality stability of a finished product can be ensured, and the production efficiency can be improved; and the ascending material can also impact the stirring blades to continue to be crushed when moving to the stirring blades, so that the stirring effect and the stirring efficiency are further improved.
Preferably, a plurality of groups of vertically arranged mounting plates are uniformly distributed on the inner wall of the tank body, and the tank body is made of ferromagnetic materials. The material on the inner wall of the tank body can be disturbed by the mounting plate, so that the material is further dispersed and mixed, and the stirring effect is improved; meanwhile, the tank body is made of ferromagnetic materials, so that impurities can be adsorbed partially, and the quality of the prepared lubricant is further improved.
Preferably, an inner cylinder which is coaxial with the rotating shaft is arranged in the tank body, a gap exists between the lower end of the inner cylinder and the bottom plate, a gap exists between the outer wall of the inner cylinder and the inner side wall of the mounting plate, and a gap exists between the inner wall of the inner cylinder and the stirring blades; the inner tube outside is fixed and is provided with the multiunit baffle, there is the clearance between baffle and the internal wall of jar, pass through first spring coupling between baffle and the adjacent mounting panel in both sides thereof. Through the arrangement of the inner barrel, the materials in the inner barrel are in an ascending trend under the action of the spiral plate, and the materials on the outer side of the inner barrel are in a descending trend, so that convection is formed, the flowability of the materials is improved, and the stirring effect and the stirring efficiency of the materials are further improved; in addition, when the materials pass through the gap between the outer wall of the inner cylinder and the inner side wall of the mounting plate, the gap between the inner wall of the inner cylinder and the stirring blades and the gap between the partition plate and the inner wall of the tank body, the materials are subjected to higher extrusion force to have higher flow velocity and accelerate mixing, and meanwhile, the shearing force at the gap can further refine the materials, so that the lubricating effect of the finished product is improved; because the setting up of first spring makes the inner tube can shake under less range when in actual use, and then changes the position of baffle between adjacent mounting panel, changes the space size between baffle and the mounting panel for the descending velocity of flow of some material is very fast, and the descending velocity of flow of another part material is slower, thereby accelerates the material exchange between layer and layer, makes the stirring of material more even.
Preferably, an arc plate which is vertically arranged is fixedly arranged between the adjacent stirring blades, and the distance between the arc plate and the inner wall of the inner barrel is gradually increased along the rotating direction of the arc plate. Through the setting of arc, on the one hand, the arc can be along with the rotation of stirring leaf and at the inner tube internal rotation, plays the effect of further stirring, and on the other hand, the arc can utilize its and the inner tube inner wall's clearance to make the material obtain accelerateing when it rotates, and then pushes the material to the inner tube inner wall in order to increase the shearing force, realizes refining, dispersion and homogeneous purpose.
Preferably, a plurality of groups of horizontally arranged connecting rods are arranged between the arc-shaped plate and the rotating shaft. Set up the connecting rod, can further improve the stirring effect in the inner tube, can also carry out auxiliary stay to the arc board simultaneously, improve the structural strength and the stability of arc board.
Preferably, the connecting rod is sleeved with a sliding block capable of sliding freely, the sliding block is connected with the arc-shaped plate through a second spring, and the sliding block is made of a ferromagnetic material and has opposite polarity to the mounting plate. Repulsion and the pulling force of spring between slider and the mounting panel can make the slider can be along with the periodic reciprocating motion on the connecting rod when the connecting rod is rotatory, further carry out the disturbance to the material in the inner tube, improve stirring efficiency.
Preferably, a plurality of vertically arranged grooves are arranged on the inner wall of the inner cylinder. Through the arrangement of the grooves, on one hand, partial materials rotating on the inner wall of the inner cylinder can be intercepted through the interception effect of the grooves, the moving direction of the partial materials is changed, and the stirring and mixing degree is improved; on the other hand, the extrusion force size that the material received is different when inner tube inner wall and slot is being passed through to the arc, and then makes the reaction force of material heap inner tube also different to improve the vibration range of inner tube, made the stirring of material even more quick.
Preferably, the inner wall of the inner cylinder is provided with a plurality of through holes penetrating through the inner cylinder. Through the arrangement of the through holes, partial materials in the inner cylinder can be discharged out of the inner cylinder from the through holes and mixed with the materials outside the inner cylinder, so that the aim of homogenization is fulfilled; meanwhile, the transversely sprayed liquid flow and the vertically flowing liquid flow outside the inner cylinder can also promote the faster dispersion of the materials due to collision, and the homogenization effect is further improved.
Preferably, the inner wall of the through hole is provided with a spiral guide groove extending from the inner side of the inner cylinder to the outer side of the inner cylinder. The liquid flow sprayed out of the inner barrel can be sprayed out in a rotating mode through the spiral guide grooves, so that the effect that substances in the part of liquid flow participate in mixing is better, and the stirring and mixing degree is improved.
The invention has the following beneficial effects:
1. according to the preparation process of the plastic processing lubricant, the grinding block is arranged, so that the heated surface area of the material is favorably increased, the adding and melting speed of the material is further increased, the preparation time is shortened, and the working efficiency is improved; meanwhile, the material can be ground and refined, so that the material is easier to stir uniformly, and a better lubricating effect is achieved.
2. According to the preparation process of the plastic processing lubricant, the inner cylinder and the arc-shaped plate are arranged, so that materials can be stirred more uniformly and rapidly, and meanwhile, the materials are pushed to the inner wall of the inner cylinder to increase shearing force, and the purposes of thinning, dispersing and homogenizing are achieved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a perspective cross-sectional view of one perspective of a reaction vessel used in the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a perspective cross-sectional view of another perspective of a reaction vessel for use in the present invention;
FIG. 5 is a perspective view of a rotary shaft in a reaction vessel used in the present invention;
in the figure: 1. a tank body; 2. a feed inlet; 3. a motor; 4. grinding blocks; 5. a grinding disk; 6. screening holes; 7. a card slot; 8. an inner cylinder; 9. mounting a plate; 10. a partition plate; 11. a first spring; 12. a through hole; 13. a base plate; 14. a rotating shaft; 15. stirring blades; 16. an arc-shaped plate; 17. a spiral plate; 18. a trench; 19. a connecting rod; 20. a slider; 21. a second spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, a preparation process of a plastic processing lubricant comprises the following steps:
s1, putting 45-65 parts of polyethylene wax, 15-20 parts of modified polypropylene wax, 10-15 parts of maleic anhydride and 0.5-2.5 parts of calcium stearate by weight into a reaction kettle, heating to 90 ℃, and uniformly stirring to obtain a fluid liquid;
s2, adding 1-5 parts by weight of silicon dioxide powder and 0.5-2 parts by weight of alumina powder into the fluid liquid obtained in the step S1, and uniformly stirring to obtain a lubricant;
s3, heating the lubricant uniformly mixed in the step S2 in a screw extruder, wherein the extrusion temperature is 80-120 ℃, and carrying out extrusion granulation on the lubricant;
the reaction kettle comprises a tank body 1, a discharge hole is formed in one side of a bottom plate 13 of the tank body 1, a feed hole 2 is formed in one side of an upper cover of the tank body 1, and a motor 3 is fixedly arranged in the middle of the upper cover; the output end of the motor 3 is rotatably connected with a rotating shaft 14, and the rotating shaft 14 extends into the tank body 1 and is connected with a plurality of groups of stirring blades 15; a plurality of groups of heating assemblies are uniformly distributed in the side wall of the tank body 1; the grinding block 4 is fixedly arranged on the rotating shaft 14 at the upper part in the tank body 1, the upper end of the grinding block 4 is arranged in a conical surface mode, and a gap exists between the periphery of the grinding block 4 and the inner wall of the tank body 1.
When the material adding device is used, materials are added into the tank body 1 through the feeding hole 2, the motor 3 and the adding assembly are started, the motor 3 drives the grinding block 4 and the stirring blade 15 to rotate through the rotating shaft 14, and the upper end surface of the grinding block 4 is a conical surface, so that the materials move to the outer side of the grinding block 4 under the action of self weight and centrifugal force and are extruded when passing through a gap between the periphery of the grinding block 4 and the inner wall of the tank body 1, so that preliminary crushing of polyethylene wax and modified polypropylene wax is realized, the heated surface area of the materials is favorably improved, the adding and melting speed of the materials is further improved, the preparation time is reduced, and the working efficiency is; the grinding action between the grinding block 4 and the inner wall of the tank body 1 can also grind and refine silicon dioxide powder and aluminum oxide powder, so that the silicon dioxide powder and the aluminum oxide powder are easier to stir uniformly, and meanwhile, finer particles can achieve a better lubricating effect; meanwhile, the grinding block 4 can also block hot air at the lower part in the tank body 1 from flowing to the upper part of the tank body 1, so that a certain heat preservation effect is achieved, and the energy-saving and environment-friendly effects are achieved.
As an embodiment of the invention, the lower end of the grinding block 4 is arranged in an inverted conical surface, the lower end of the grinding block 4 is provided with a grinding disc 5 matched with the lower end of the grinding block, and a grinding gap is formed by the grinding disc 5 and the lower end surface of the grinding block 4; a plurality of sieve pores 6 are uniformly distributed on the grinding disc 5; the periphery of the grinding disc 5 is provided with a clamping groove 7, and a clamping block matched with the clamping groove 7 is arranged on the inner wall of the tank body 1. Through the arrangement of the grinding disc 5, the material can be secondarily ground by utilizing the gap between the grinding disc 5 and the lower end surface of the grinding block 4, so that the particles of the material are smaller, and the quality of a finished product is improved; meanwhile, the lower end of the grinding block 4 is arranged in an inverted conical surface, so that the part of the lower end of the grinding block 4 can extend to the position below the molten liquid surface, and further the space of air above the liquid surface is squeezed, the air storage on the liquid surface is reduced, further the foam at the liquid surface during subsequent stirring is reduced, and the influence of excessive bubbles on the liquid surface on the quality of a finished product is avoided; set up draw-in groove 7 and fixture block, can make the installation of abrasive disc 5 change become convenient and fast.
In one embodiment of the present invention, a spiral plate 17 is disposed on the rotating shaft 14 between adjacent stirring blades 15, and the outer diameter of the spiral plate 17 is smaller than the maximum outer diameter of the stirring blades 15. Through the arrangement of the spiral plate 17, the spiral plate 17 can rotate when the rotating shaft 14 rotates, so that the inner layer material is lifted upwards, the material exchange between the inner layer material and the outer layer material is accelerated, the materials are fully dispersed and mixed, the quality stability of a finished product can be guaranteed, and the production efficiency can be improved; and the ascending material can impact the stirring blade 15 to continue to be crushed when moving to the stirring blade 15, thereby further improving the stirring effect and the stirring efficiency.
As an embodiment of the present invention, a plurality of groups of vertically arranged mounting plates 9 are uniformly distributed on the inner wall of the tank body 1, and the tank body 1 is made of a ferromagnetic material. The material on the inner wall of the tank body 1 can be disturbed by the mounting plate 9, so that the material is further dispersed and mixed, and the stirring effect is improved; meanwhile, the tank body 1 is made of ferromagnetic materials, so that impurities can be adsorbed partially, and the quality of the prepared lubricant is further improved.
As an embodiment of the invention, an inner cylinder which is coaxial with a rotating shaft 14 is arranged in the tank body 1, a gap exists between the lower end of the inner cylinder and a bottom plate 13, a gap exists between the outer wall of the inner cylinder and the inner side wall of the mounting plate 9, and a gap exists between the inner wall of the inner cylinder and the stirring blades 15; the inner tube outside is fixed and is provided with multiunit baffle 10, there is the clearance between baffle 10 and the jar body 1 inner wall, connect through first spring 11 between baffle 10 and the adjacent mounting panel 9 in both sides thereof. Through the arrangement of the inner barrel, the materials in the inner barrel are in an ascending trend under the action of the spiral plate 17, and the materials on the outer side of the inner barrel are in a descending trend, so that convection is formed, the flowability of the materials is improved, and the stirring effect and the stirring efficiency of the materials are further improved; in addition, when the materials pass through the gap between the outer wall of the inner cylinder and the inner side wall of the mounting plate 9, the gap between the inner wall of the inner cylinder and the stirring blades 15 and the gap between the partition plate 10 and the inner wall of the tank body 1, the materials are subjected to a larger extrusion force to have a faster flow velocity, so that the mixing is accelerated, and meanwhile, the shearing force at the gap can further refine the materials, so that the lubricating effect of the finished product is improved; because the setting up of first spring 11 makes the inner tube can shake under less range when in actual use, and then changes the position of baffle 10 between adjacent mounting panel 9, changes the space size between baffle 10 and the mounting panel 9 for the descending velocity of flow of some material is very fast, and the descending velocity of flow of another part material is slower, thereby accelerates the material exchange between layer and layer, makes the stirring of material more even.
As an embodiment of the invention, an arc-shaped plate 16 which is vertically arranged is fixedly arranged between the adjacent stirring blades 15, and the distance between the arc-shaped plate 16 and the inner wall of the inner cylinder is gradually increased along the rotating direction of the inner cylinder. Through the setting of arc 16, on the one hand, arc 16 can be along with stirring leaf 15's rotation and at the inner tube internal rotation, play the effect of further stirring, and on the other hand, arc 16 can utilize its and the inner tube inner wall's clearance to make the material obtain accelerating when it rotates, and then pushes the material to the inner tube inner wall in order to increase the shearing force, realizes refining, dispersion and the purpose of homogeneity.
In one embodiment of the present invention, a plurality of sets of horizontally arranged connecting rods 19 are disposed between the arc-shaped plate 16 and the rotating shaft 14. Set up connecting rod 19, can further improve the stirring effect in the inner tube, can also carry out auxiliary stay to arc 16 simultaneously, improve the structural strength and the stability of arc 16.
In an embodiment of the present invention, a sliding block 20 capable of freely sliding is sleeved on the connecting rod 19, the sliding block 20 and the arc plate 16 are connected by a second spring 21, and the sliding block 20 is made of a ferromagnetic material and has a polarity opposite to that of the mounting plate 9. Through repulsion between the sliding block 20 and the mounting plate 9 and the pulling force of the spring, the sliding block 20 can periodically reciprocate on the connecting rod 19 when rotating along with the connecting rod 19, the material in the inner cylinder is further disturbed, and the stirring efficiency is improved.
In one embodiment of the invention, the inner wall of the inner barrel is provided with a plurality of vertically disposed grooves 18. Through the arrangement of the grooves 18, on one hand, partial materials rotating on the inner wall of the inner cylinder can be intercepted through the interception effect of the grooves 18, the moving direction of the partial materials is changed, and the stirring and mixing degree is improved; on the other hand, the extrusion force that the arc 16 received when through inner tube inner wall and slot 18 material is different, and then makes the reaction force of material heap inner tube also different to improve the vibration range of inner tube, made the stirring of material more even quick.
In one embodiment of the present invention, the inner wall of the inner cylinder is provided with a plurality of through holes 12 penetrating the inner cylinder. Through the arrangement of the through holes 12, partial materials in the inner cylinder can be discharged to the outside of the inner cylinder from the through holes 12 and mixed with the materials outside the inner cylinder, so that the aim of homogenizing is fulfilled; meanwhile, the transversely sprayed liquid flow and the vertically flowing liquid flow outside the inner cylinder can also promote the faster dispersion of the materials due to collision, and the homogenization effect is further improved.
In one embodiment of the present invention, the inner wall of the through hole 12 is provided with a spiral guide groove extending from the inner side of the inner cylinder to the outer side of the inner cylinder. The liquid flow sprayed out of the inner barrel can be sprayed out in a rotating mode through the spiral guide grooves, so that the effect that substances in the part of liquid flow participate in mixing is better, and the stirring and mixing degree is improved.
When the material adding device is used, materials are added into the tank body 1 through the feeding hole 2, the motor 3 and the adding assembly are started, the motor 3 drives the grinding block 4 and the stirring blade 15 to rotate through the rotating shaft 14, and the upper end surface of the grinding block 4 is a conical surface, so that the materials move to the outer side of the grinding block 4 under the action of self weight and centrifugal force and are extruded when passing through a gap between the periphery of the grinding block 4 and the inner wall of the tank body 1, so that preliminary crushing of polyethylene wax and modified polypropylene wax is realized, the heated surface area of the materials is favorably improved, the adding and melting speed of the materials is further improved, the preparation time is reduced, and the working efficiency is; the grinding action between the grinding block 4 and the inner wall of the tank body 1 can also grind and refine silicon dioxide powder and aluminum oxide powder, so that the silicon dioxide powder and the aluminum oxide powder are easier to stir uniformly, and meanwhile, finer particles can achieve a better lubricating effect; meanwhile, the grinding block 4 can also prevent hot air at the lower part in the tank body 1 from flowing to the upper part of the tank body 1, so that a certain heat preservation effect is achieved, and the energy is saved and the environment is protected; through the arrangement of the grinding disc 5, the material can be secondarily ground by utilizing the gap between the grinding disc 5 and the lower end surface of the grinding block 4, so that the particles of the material are smaller, and the quality of a finished product is improved; meanwhile, the lower end of the grinding block 4 is arranged in an inverted conical surface, so that the part of the lower end of the grinding block 4 can extend to the position below the molten liquid surface, and further the space of air above the liquid surface is squeezed, the air storage on the liquid surface is reduced, further the foam at the liquid surface during subsequent stirring is reduced, and the influence of excessive bubbles on the liquid surface on the quality of a finished product is avoided; the clamping groove 7 and the clamping block are arranged, so that the grinding disc 5 can be conveniently and quickly installed and replaced; through the arrangement of the spiral plate 17, the spiral plate 17 can rotate when the rotating shaft 14 rotates, so that the inner layer material is lifted upwards, the material exchange between the inner layer material and the outer layer material is accelerated, the materials are fully dispersed and mixed, the quality stability of a finished product can be guaranteed, and the production efficiency can be improved; the ascending materials can impact the stirring blades 15 to be continuously crushed when moving to the stirring blades 15, so that the stirring effect and the stirring efficiency are further improved; the material on the inner wall of the tank body 1 can be disturbed by the mounting plate 9, so that the material is further dispersed and mixed, and the stirring effect is improved; meanwhile, the tank body 1 is made of ferromagnetic materials, so that part of the tank body can be adsorbed to be attached with impurities, and the quality of the prepared lubricant is further improved; through the arrangement of the inner barrel, the materials in the inner barrel are in an ascending trend under the action of the spiral plate 17, and the materials on the outer side of the inner barrel are in a descending trend, so that convection is formed, the flowability of the materials is improved, and the stirring effect and the stirring efficiency of the materials are further improved; in addition, when the materials pass through the gap between the outer wall of the inner cylinder and the inner side wall of the mounting plate 9, the gap between the inner wall of the inner cylinder and the stirring blades 15 and the gap between the partition plate 10 and the inner wall of the tank body 1, the materials are subjected to a larger extrusion force to have a faster flow velocity, so that the mixing is accelerated, and meanwhile, the shearing force at the gap can further refine the materials, so that the lubricating effect of the finished product is improved; due to the arrangement of the first spring 11, the inner cylinder can vibrate in a smaller amplitude during actual use, so that the position of the partition plate 10 between the adjacent mounting plates 9 is changed, the size of a space between the partition plate 10 and the mounting plates 9 is changed, the downward flow speed of one part of materials is higher, and the downward flow speed of the other part of materials is lower, so that the material exchange between layers is accelerated, and the materials are stirred more uniformly; through the arrangement of the arc-shaped plate 16, on one hand, the arc-shaped plate 16 can rotate in the inner cylinder along with the rotation of the stirring blades 15 to play a role in further stirring, and on the other hand, the arc-shaped plate 16 can accelerate materials by utilizing a gap between the arc-shaped plate 16 and the inner wall of the inner cylinder when the arc-shaped plate rotates, so that the materials are pushed to the inner wall of the inner cylinder to increase shearing force, and the purposes of refining, dispersing and homogenizing are achieved; the connecting rod 19 is arranged, so that the stirring effect in the inner cylinder can be further improved, the arc-shaped plate 16 can be supported in an auxiliary manner, and the structural strength and the stability of the arc-shaped plate 16 are improved; through repulsion between the sliding block 20 and the mounting plate 9 and pulling force of the spring, the sliding block 20 can periodically reciprocate on the connecting rod 19 when rotating along with the connecting rod 19, so that the material in the inner cylinder is further disturbed, and the stirring efficiency is improved; through the arrangement of the grooves 18, on one hand, partial materials rotating on the inner wall of the inner cylinder can be intercepted through the interception effect of the grooves 18, the moving direction of the partial materials is changed, and the stirring and mixing degree is improved; on the other hand, the extrusion force of the materials is different when the arc-shaped plates 16 pass through the inner wall of the inner cylinder and the grooves 18, so that the reaction force of the inner cylinder of the material pile is different, the vibration amplitude of the inner cylinder is improved, and the materials are stirred more uniformly and quickly; through the arrangement of the through holes 12, partial materials in the inner cylinder can be discharged to the outside of the inner cylinder from the through holes 12 and mixed with the materials outside the inner cylinder, so that the aim of homogenizing is fulfilled; meanwhile, the transversely sprayed liquid flow and the vertically flowing liquid flow outside the inner cylinder can also promote the material to be dispersed more quickly due to collision, so that the homogenization effect is further improved; the liquid flow sprayed out of the inner barrel can be sprayed out in a rotating mode through the spiral guide grooves, so that the effect that substances in the part of liquid flow participate in mixing is better, and the stirring and mixing degree is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (11)

1. The preparation process of the plastic processing lubricant is characterized by comprising the following steps of:
s1, putting 45-65 parts of polyethylene wax, 15-20 parts of modified polypropylene wax, 10-15 parts of maleic anhydride and 0.5-2.5 parts of calcium stearate by weight into a reaction kettle, heating to 90 ℃, and uniformly stirring to obtain a fluid liquid;
s2, adding 1-5 parts by weight of silicon dioxide powder and 0.5-2 parts by weight of alumina powder into the fluid liquid obtained in the step S1, and uniformly stirring to obtain a lubricant;
s3, heating the lubricant uniformly mixed in the step S2 in a screw extruder, wherein the extrusion temperature is 80-120 ℃, and carrying out extrusion granulation on the lubricant;
the reaction kettle comprises a tank body (1), a discharge hole is formed in one side of a bottom plate (13) of the tank body (1), a feed hole (2) is formed in one side of an upper cover of the tank body (1), and a motor (3) is fixedly arranged in the middle of the upper cover; the output end of the motor (3) is rotatably connected with a rotating shaft (14), and the rotating shaft (14) extends into the tank body (1) and is connected with a plurality of groups of stirring blades (15); a plurality of groups of heating components are uniformly distributed in the side wall of the tank body (1); the grinding tank is characterized in that a grinding block (4) is fixedly arranged on a rotating shaft (14) at the upper part in the tank body (1), the upper end of the grinding block (4) is arranged as a conical surface, and a gap exists between the periphery of the grinding block (4) and the inner wall of the tank body (1).
2. The preparation process of the plastic processing lubricant according to claim 1, wherein the lower end of the grinding block (4) is arranged in an inverted conical surface, the lower end of the grinding block (4) is provided with a grinding disc (5) matched with the lower end of the grinding block, and a grinding gap is formed by a gap between the grinding disc (5) and the lower end surface of the grinding block (4); a plurality of sieve pores (6) are uniformly distributed on the grinding disc (5); the grinding disc (5) periphery is provided with draw-in groove (7), be provided with the fixture block that matches with draw-in groove (7) on jar body (1) inner wall.
3. The process for preparing the plastic processing lubricant according to claim 2, wherein a spiral plate (17) is arranged on the rotating shaft (14) between the adjacent stirring blades (15), and the outer diameter of the spiral plate (17) is smaller than the maximum outer diameter of the stirring blades (15).
4. The preparation process of the plastic processing lubricant according to claim 3, wherein a plurality of groups of vertically arranged mounting plates (9) are uniformly distributed on the inner wall of the tank body (1), and the tank body (1) is made of ferromagnetic material.
5. The preparation process of the plastic processing lubricant according to claim 4, wherein an inner cylinder which is coaxial with a rotating shaft (14) is arranged in the tank body (1), a gap exists between the lower end of the inner cylinder and a bottom plate (13), a gap exists between the outer wall of the inner cylinder and the inner side wall of the mounting plate (9), and a gap exists between the inner wall of the inner cylinder and the stirring blades (15); the inner tube outside is fixed and is provided with multiunit baffle (10), there is the clearance between baffle (10) and the jar body (1) inner wall, connect through first spring (11) between baffle (10) and the adjacent mounting panel (9) in both sides thereof.
6. The process for preparing the plastic processing lubricant according to claim 5, wherein an arc-shaped plate (16) which is vertically arranged is fixedly arranged between the adjacent stirring blades (15), and the distance between the arc-shaped plate (16) and the inner wall of the inner barrel is gradually increased along the rotating direction of the inner barrel.
7. Process for the preparation of a plastic processing lubricant according to claim 6, characterized in that a plurality of groups of horizontally arranged connecting rods (19) are arranged between the arc-shaped plate (16) and the rotating shaft (14).
8. The process for preparing a plastic processing lubricant according to claim 7, wherein a slider (20) capable of freely sliding is sleeved on the connecting rod (19), the slider (20) is connected with the arc-shaped plate (16) through a second spring (21), and the slider (20) is made of a ferromagnetic material and has a polarity opposite to that of the mounting plate (9).
9. Process for the preparation of a plastic working lubricant according to claim 8, characterized in that the inner drum wall is provided with a plurality of vertically arranged grooves (18).
10. The process for preparing a plastic processing lubricant as claimed in claim 9, wherein the inner barrel wall is provided with a plurality of through holes (12) passing through the inner barrel.
11. The process for preparing a plastic processing lubricant as claimed in claim 10, wherein the inner wall of the through hole (12) is provided with a spiral guide groove extending from the inner side of the inner cylinder to the outer side of the inner cylinder.
CN202011265340.9A 2020-11-12 2020-11-12 Preparation process of plastic processing lubricant Withdrawn CN112743699A (en)

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Application Number Priority Date Filing Date Title
CN202011265340.9A CN112743699A (en) 2020-11-12 2020-11-12 Preparation process of plastic processing lubricant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011265340.9A CN112743699A (en) 2020-11-12 2020-11-12 Preparation process of plastic processing lubricant

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CN112743699A true CN112743699A (en) 2021-05-04

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Application Number Title Priority Date Filing Date
CN202011265340.9A Withdrawn CN112743699A (en) 2020-11-12 2020-11-12 Preparation process of plastic processing lubricant

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116511497A (en) * 2023-03-23 2023-08-01 江苏巨鑫磁业有限公司 Magnetic powder surface antioxidation processing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116511497A (en) * 2023-03-23 2023-08-01 江苏巨鑫磁业有限公司 Magnetic powder surface antioxidation processing device

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Application publication date: 20210504