CN113292846A - Corrosion-resistant composite glass fiber material and preparation method thereof - Google Patents
Corrosion-resistant composite glass fiber material and preparation method thereof Download PDFInfo
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- CN113292846A CN113292846A CN202110619124.8A CN202110619124A CN113292846A CN 113292846 A CN113292846 A CN 113292846A CN 202110619124 A CN202110619124 A CN 202110619124A CN 113292846 A CN113292846 A CN 113292846A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention belongs to the technical field of glass material preparation, and particularly relates to an erosion-resistant composite glass fiber material and a preparation method thereof, wherein the preparation method comprises the following steps of S1: mixing natural paraffin and a silane coupling agent in proportion, mixing the mixture with glass fibers, and carrying out surface treatment on the glass fibers to obtain surface modified glass fibers; s2: accurately weighing methyl methacrylate, surface modified glass fiber, aluminum sol, polyamide resin and erosion-resistant agent, putting the methyl methacrylate, the surface modified glass fiber, the aluminum sol, the polyamide resin and the erosion-resistant agent into a high-speed stirrer, and uniformly stirring and mixing for 5-10 min; s3: adding the mixture obtained in the step S2 into a granulator for granulation, and controlling the processing temperature to be 170-240 ℃ to obtain the composite glass fiber material; the invention provides an erosion-resistant composite glass fiber material and a preparation method thereof, and aims to solve the problems that when a granulator feeds materials, the materials entering a sleeve are not uniform, and the materials are agglomerated, so that the materials cannot be completely melted in the propelling process of a propeller, and the discharging quality is poor.
Description
Technical Field
The invention belongs to the technical field of glass material preparation, and particularly relates to an erosion-resistant composite glass fiber material and a preparation method thereof.
Background
The glass fiber is an inorganic non-metallic material with excellent performance, is various in variety, is prepared by taking six kinds of ores of pyrophyllite, quartz sand, limestone, dolomite, borocalcite and boromagnesite as raw materials through processes of high-temperature melting, wire drawing, winding, weaving and the like, has the diameter of a single filament of several micrometers to twenty micrometers, is equivalent to 1/20-1/5 of one hair, and each bundle of fiber precursor consists of hundreds of even thousands of single filaments. Glass fibers are commonly used as reinforcing materials in composite materials, electrical and thermal insulation materials, circuit substrates, and other various fields of the national economy.
Some technical schemes related to the preparation of glass materials also appear in the prior art, for example, a chinese patent with application number 201610192900X discloses a glass fiber reinforced polypropylene composite material and a preparation method thereof, which comprises the following raw materials in parts by weight: 50-80 parts of polypropylene, 10-50 parts of chopped glass fiber reinforcement, 5-10 parts of interfacial compatilizer and 0.5-3 parts of microstructure adjusting aid. According to the invention, the glass fiber reinforced systems with different structures and diameters are matched, and under the auxiliary effects of efficient interface compatibilization and rapid crystallization nucleation, an organic-inorganic two-phase reinforced system with uniform distribution and good interface bonding is jointly constructed, the warping deformation of the obtained polypropylene composite material is reduced by 30-60% compared with that of the traditional material, especially the low-content glass fiber reinforced system is more prominent, the rigidity indexes of the material such as bending strength and bending modulus are improved by 30% at the same time, the shrinkage rate of the material is lower, and the polypropylene composite material has excellent dimensional stability in high and low temperature environments.
In the prior art, when a granulator feeds materials, the materials entering a sleeve are not uniform, and the materials are agglomerated, so that the materials cannot be completely melted in the propelling process of a propeller, and the discharging quality is poor.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that when a granulator feeds materials, the materials entering a sleeve are not uniform, and the materials are agglomerated, so that the materials cannot be completely melted in the propelling process of a propeller, and the discharging quality is poor, the invention provides the corrosion-resistant composite glass fiber material and the preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an erosion-resistant composite glass fiber material which is prepared from the following raw materials in parts by weight:
5-8 parts of methyl methacrylate
8-10 parts of silane coupling agent
6-8 parts of natural paraffin
7-10 parts of polyamide resin
4-6 parts of alumina sol
8-10 parts of glass fiber;
the erosion-resistant agent is prepared from the following raw materials in parts by weight:
5-7 parts of polyphenylene sulfide
7-9 parts of a toughening agent.
A preparation method of an anti-corrosion composite glass fiber material is suitable for the anti-corrosion composite glass fiber material, and comprises the following steps:
s1: mixing natural paraffin and a silane coupling agent in proportion, mixing the mixture with glass fibers, and carrying out surface treatment on the glass fibers to obtain surface modified glass fibers;
s2: accurately weighing methyl methacrylate, surface modified glass fiber, aluminum sol, polyamide resin and erosion-resistant agent, putting the methyl methacrylate, the surface modified glass fiber, the aluminum sol, the polyamide resin and the erosion-resistant agent into a high-speed stirrer, and uniformly stirring and mixing for 5-10 min;
s3: and (4) adding the mixture obtained in the step (S2) into a granulator for granulation, and controlling the processing temperature to be 170-240 ℃ to obtain the composite glass fiber material.
Preferably, the pelletizer in S3 thereof comprises a sleeve; the upper end of the sleeve is provided with a feed hopper, the side wall of the sleeve is provided with a propeller, and the bottom end of the sleeve is fixedly connected with a support; the feed hopper comprises a dispersion cavity and a blanking cavity; a feed inlet is formed in the top end of the feed hopper; the dispersion cavity is positioned above the blanking cavity, the cross section of the dispersion cavity is in an inverted trapezoid shape, and the cross section of the blanking cavity is rectangular; the side wall of the dispersion cavity is fixedly connected with a fixing plate through a fixing rod; the bottom end of the fixed plate is fixedly connected with a bidirectional motor, the bottom end of the bidirectional motor is fixedly connected with a packing auger, the packing auger extends into the blanking cavity, the top end of the bidirectional motor is fixedly connected with a first rotating shaft, the first rotating shaft penetrates through the fixed plate, and the end part of the first rotating shaft is fixedly connected with a conical block; in the prior art, when a granulator feeds materials, the materials entering a sleeve are not uniform, and the materials are agglomerated, so that the materials cannot be completely melted in the propulsion process of a propeller, and the discharging quality is poor.
Preferably, a group of first grooves are formed in the outer side wall, close to the inner wall of the blanking cavity, of the packing auger; a first magnet is fixedly connected to the bottom of the first groove; an adsorption ball is arranged in the first groove, and the adsorption ball and the first magnet attract each other; the side wall of the first groove is connected with a push block in a sliding manner, and the side wall of the push block close to the inner wall of the blanking cavity is provided with a soft brush; the adsorption balls are connected with each other through a string and a push block; when the feeding device works, the length of some glass fibers in the mixture is 2-5mm, the mixture is powdery, materials discharged from the discharging cavity are easily adhered to the inner wall of the discharging cavity, when the auger rotates, the push block moves outwards under the action of centrifugal force to drive the soft hairbrush to contact with the inner wall of the discharging cavity for cleaning, the push block drives the adsorption ball to separate from the first magnet through the thin rope when moving outwards, after feeding is finished, the push block can move to the bottom of the first groove under the action of adsorption force of the adsorption ball to drive the soft hairbrush to separate from the inner wall of the discharging cavity, deformation of the soft hairbrush is prevented, and the service life of the soft hairbrush is prolonged.
Preferably, a second groove is formed in the side wall, close to the blanking cavity, of the push block; an elastic curved membrane is fixedly connected to the side wall of the opening of the second groove; the elastic curved membrane is concave towards the bottom of the second groove; the soft brush is fixedly connected to the side wall of the elastic curved film far away from the bottom of the second groove; when the cleaning brush works, when the push block is subjected to centrifugal force, the elastic curved membrane protrudes outwards under the action of the centrifugal force, and the elastic curved membrane protrudes outwards to drive the soft brush to expand, so that the cleaning range of the soft brush is enlarged, and the cleaning effect of the soft brush is improved.
Preferably, a third groove is formed in the side wall of the first groove; a group of elastic pieces are fixedly connected to the bottom of the third groove and the side wall of the pushing block, and elastic balls are fixedly connected to the end parts of the elastic pieces; a group of convex blocks are arranged on the elastic ball; the during operation receives centrifugal force to move outwards or receives the adsorption affinity inward movement who adsorbs the ball after the feeding is ended at the ejector pad, and in the ejector pad motion process, the elastic ball on ejector pad and the third recess all can collide, and the elastic ball bumps and can drive the flexure strip and take place the tremor, can drive the pappus brush simultaneously and take place vibrations, conveniently cleans up self after the pappus brush cleans.
Preferably, the side wall of the elastic curved membrane close to the second groove is fixedly connected with a magnetic ball; a buffer pad is fixedly connected to the bottom of the second groove relative to the position of the magnetic ball; a spiral magnetic stripe is fixedly connected to the position, opposite to the outer side wall of the packing auger, on the side wall of the blanking cavity; the magnetic ball and the spiral magnetic strip are mutually exclusive; the during operation, because of the magnetism ball is the rigid coupling on the crooked membrane of elasticity, when the ejector pad received centrifugal force, the magnetism ball can further be ejecting with the crooked membrane of elasticity, increase the scope of cleaning of pappus brush, and magnetism ball and spiral magnetic stripe repel each other, when the auger is rotatory, the spiral magnetic stripe can promote the magnetism ball and move to second recess tank bottom, can drive the ejector pad simultaneously and move to first recess tank bottom, reciprocating motion is done in the effect of the repulsion force of centrifugal force and magnetism ball and screw thread magnetic stripe to the ejector pad, the ejector pad motion takes place the tremor through the collision between the elasticity ball, the tremor not only can let the pappus brush clean self, can further drive the auger vibrations, let some caking forms in small bits further dispersed in small bits.
Preferably, a group of through grooves are formed in the side wall of the top end of the first groove; a corrugated plate is fixedly connected to the side wall of the push block close to the bottom of the first groove, and a corrugated groove in the corrugated plate faces the side wall of the top end of the first groove; a first blade is arranged in the through groove, the bottom end of the first blade extends into the first groove and is fixedly connected with an arc-shaped block, and the tool nose of the first blade is positioned on the side wall of the packing auger; the arc-shaped block is fixedly connected to the side wall of the top end of the first groove through an elastic sheet, and the arc-shaped block slides on the corrugated groove of the corrugated plate; when the reciprocating crushing device works, when the pushing block does reciprocating motion, the arc-shaped block is pushed to move on the corrugated groove through the movement of the corrugated plate, the first blade is driven to move up and down, impact cutting force exists on the first blade when the first blade moves upwards, rolling ball blocks can be further crushed, and the effect of dispersing and crushing the material blocks is further enhanced.
Preferably, the first blade comprises a blade body; the bottom end of the knife body is fixedly connected to the arc-shaped block, and the top end of the knife body is an arc-shaped end; the top end of the knife body is hinged with a pair of symmetrically distributed second blades, the bottom ends of the second blades close to the knife body are arc-shaped openings, and the arc-shaped openings correspond to the arc-shaped ends of the knife body; the second blade is connected with the knife body through a spring; the side wall of the through groove is fixedly connected with an anti-cutting piece; when the cutting tool works, when the first blade moves upwards, the second blade on the top end of the first blade can be scattered, cutting force is applied to two sides under the action of spring force, then when the first blade moves downwards, the pair of second blades are folded, the cutting force is applied inwards, the periphery of the first blade can be further cut, and the cutting range and the cutting force of the first blade are enlarged.
Preferably, a pair of bosses which are symmetrically distributed is fixedly connected to the top end of the fixing plate; the bottom end of the conical block is fixedly connected with a pair of first air bags which are symmetrically distributed; a group of first cavities is formed in the outer side wall of the conical block; a push plate is fixedly connected to the side wall of the first cavity far away from the outer side wall of the conical block through a spring; the push plate is rotatably connected with a lead screw, the end part of the lead screw penetrates through the first cavity and extends out of the conical block, and a lead screw nut pair is arranged at the penetrating point of the first cavity; a group of third blades is fixedly connected to the lever of the lead screw extending out of the first cavity; the first air bag is communicated with the first cavity, and the communication point is positioned on the side wall of the first cavity far away from the outer side wall of the conical block; during operation, when the toper piece is rotatory, the first gasbag of toper piece bottom can receive the extrusion of boss, and gas in the first gasbag can get into first cavity in, promotes the push pedal motion, and the ejector pad motion can drive the lead screw and rotate on screw nut is vice, and it is rotatory that the lead screw rotates the third blade that can drive on the thick stick, and further the broken some caking materials that drop on toper piece lateral wall of dispersion improve the dispersion effect of material.
The invention has the following beneficial effects:
1. according to the erosion-resistant composite glass fiber material and the preparation method thereof, the conical block rotates to break up some caking materials, the caking materials are uniformly distributed in the dispersion cavity, the auger rotates to uniformly and continuously convey the materials, the materials can be completely in a molten state at high temperature after entering the sleeve, and the discharging quality is further improved. .
2. According to the erosion-resistant composite glass fiber material and the preparation method thereof, the push block reciprocates under the action of centrifugal force and repulsive force of the magnetic balls and the threaded magnetic strips, and the push block vibrates through collision between the elastic balls, so that the vibration can not only enable the soft brush to clean the soft brush, but also further drive the packing auger to vibrate, and further disperse some finely-crushed caking shapes.
3. According to the erosion-resistant composite glass fiber material and the preparation method thereof, the arc-shaped blocks are pushed to move on the corrugated grooves through the movement of the corrugated plates, the first blade is driven to move up and down, impact cutting force exists when the first blade moves up, rolling ball blocks can be further crushed, and the effect of dispersing and crushing material lumps is further enhanced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a partial cross-sectional view of the auger;
FIG. 5 is an enlarged view of area B of FIG. 4;
FIG. 6 is a cross-sectional view of a through slot;
FIG. 7 is a method of making an erosion resistant composite fiberglass material;
in the figure: 1. a sleeve; 11. a feed hopper; 12. a propeller; 13. a support; 2. a feed inlet; 21. a dispersion chamber; 22. a blanking cavity; 23. a fixing plate; 24. a bi-directional motor; 25. a first rotating shaft; 26. a packing auger; 27. a conical block; 3. a first groove; 31. a first magnet; 32. adsorbing the ball; 33. a string; 34. a push block; 35. a soft brush; 4. a second groove; 41. an elastic curved film; 42. a magnetic ball; 43. a cushion pad; 44. a spiral magnetic strip; 45. a third groove; 46. an elastic sheet; 47. an elastic ball; 48. a bump; 5. a corrugated plate; 51. a through groove; 52. an arc-shaped block; 53. a first blade; 54. a second blade; 55. a blade body; 6. a first cavity; 61. pushing the plate; 62. a lead screw; 63. a third blade; 64. a first air bag; 65. and (4) a boss.
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.
Example one
An erosion-resistant composite glass fiber material comprises the following raw materials in parts by weight: 5-8 parts of methyl methacrylate, 8-10 parts of a silane coupling agent, 6-8 parts of natural paraffin, 7-10 parts of polyamide resin, 4-6 parts of aluminum sol, 8-10 parts of glass fiber and 4 parts of an erosion resistant agent; wherein the erosion-resistant agent comprises the following raw materials in parts by weight: 5-7 parts of polyphenylene sulfide and 7-9 parts of a toughening agent.
The raw materials are produced according to a preparation method, and the material is placed in a detection box for 2 hours to detect the erosion degree of the material.
Example two
An erosion-resistant composite glass fiber material comprises the following raw materials in parts by weight: 5-8 parts of methyl methacrylate, 8-10 parts of a silane coupling agent, 6-8 parts of natural paraffin, 7-10 parts of polyamide resin, 4-6 parts of aluminum sol, 8-10 parts of glass fiber and 5 parts of an erosion resistant agent; wherein the erosion-resistant agent comprises the following raw materials in parts by weight: 5-7 parts of polyphenylene sulfide and 7-9 parts of a toughening agent.
The raw materials are produced according to a preparation method, and the material is placed in a detection box for 2 hours to detect the erosion degree of the material.
EXAMPLE III
An erosion-resistant composite glass fiber material comprises the following raw materials in parts by weight: 5-8 parts of methyl methacrylate, 8-10 parts of a silane coupling agent, 6-8 parts of natural paraffin, 7-10 parts of polyamide resin, 4-6 parts of aluminum sol, 8-10 parts of glass fiber and 6 parts of an erosion resistant agent; wherein the erosion-resistant agent comprises the following raw materials in parts by weight: 5-7 parts of polyphenylene sulfide and 7-9 parts of a toughening agent.
The raw materials are produced according to a preparation method, and the material is placed in a detection box for 2 hours to detect the erosion degree of the material.
The use effect of the obtained corrosion-resistant composite glass fiber material is shown in table 1.
| Degree of surface corrosion of material | |
| Example 1 | 0.05% |
| Example 2 | 0.01% |
| Example 3 | 0.03% |
TABLE 1
As can be seen from examples 1-3, the material produced by the erosion resistant agent added in example 2 has the strongest surface erosion resistance, thus proving that the formula of the invention is reasonable.
As shown in fig. 1 to 7, the preparation method of an erosion-resistant composite glass fiber material according to the present invention is suitable for the above erosion-resistant composite glass fiber material, and comprises the following steps:
s1: mixing natural paraffin and a silane coupling agent in proportion, mixing the mixture with glass fibers, and carrying out surface treatment on the glass fibers to obtain surface modified glass fibers;
s2: accurately weighing methyl methacrylate, surface modified glass fiber, aluminum sol, polyamide resin and erosion-resistant agent, putting the methyl methacrylate, the surface modified glass fiber, the aluminum sol, the polyamide resin and the erosion-resistant agent into a high-speed stirrer, and uniformly stirring and mixing for 5-10 min;
s3: and (4) adding the mixture obtained in the step (S2) into a granulator for granulation, and controlling the processing temperature to be 170-240 ℃ to obtain the composite glass fiber material.
As an embodiment of the present invention, the pelletizer in S3 includes a barrel 1; the upper end of the sleeve 1 is provided with a feed hopper 11, the side wall of the sleeve 1 is provided with a propeller 12, and the bottom end of the sleeve 1 is fixedly connected with a support 13; the feed hopper 11 comprises a dispersion cavity 21 and a blanking cavity 22; the top end of the feed hopper 11 is provided with a feed inlet 2; the dispersing cavity 21 is positioned above the blanking cavity 22, the cross section of the dispersing cavity 21 is in an inverted trapezoid shape, and the cross section of the blanking cavity 22 is rectangular; the side wall of the dispersion cavity 21 is fixedly connected with a fixing plate 23 through a fixing rod; the bottom end of the fixing plate 23 is fixedly connected with a bidirectional motor 24, the bottom end of the bidirectional motor 24 is fixedly connected with an auger 26, the auger 26 extends into the blanking cavity 22, the top end of the bidirectional motor 24 is fixedly connected with a first rotating shaft 25, the first rotating shaft 25 penetrates through the fixing plate 23, and the end part of the first rotating shaft 25 is fixedly connected with a conical block 27; in the prior art, when a granulator feeds materials, the materials entering the sleeve 1 are not uniform, and the materials are agglomerated, so that the materials cannot be completely melted in the pushing process of the propeller 12, and the discharging quality is poor.
As an embodiment of the invention, a group of first grooves 3 are arranged on the outer side wall of the packing auger 26 close to the inner wall of the blanking cavity 22; a first magnet 31 is fixedly connected to the bottom of the first groove 3; an adsorption ball 32 is arranged in the first groove 3, and the adsorption ball 32 and the first magnet 31 are mutually attracted; the side wall of the first groove 3 is connected with a push block 34 in a sliding manner, and the side wall of the push block 34 close to the inner wall of the blanking cavity 22 is provided with a soft brush 35; the adsorption balls 32 are connected with each other through a string 33 and a push block 34; during operation, because of the length of some glass fiber in the mixture is 2-5mm, and the mixture is powdered, the material easy adhesion of unloading from unloading chamber 22 is at unloading chamber 22 inner wall, when auger 26 is rotatory, ejector pad 34 receives the effect of centrifugal force and outwards removes, drive pappus brush 35 and unloading chamber 22 inner wall mutual contact and clean, and the ejector pad 34 drives through string 33 when outwards removing and adsorbs ball 32 and breaks away from first magnet 31, after the feeding, ejector pad 34 can be at the effect of adsorbing ball 32 adsorption to 3 tank bottoms of first recess motions, drive pappus brush 35 and break away from unloading chamber 22 inner wall, prevent that pappus brush 35 from appearing warping, improve the life of pappus brush 35.
As an embodiment of the present invention, a second groove 4 is formed on the side wall of the push block 34 close to the blanking cavity 22; an elastic curved membrane 41 is fixedly connected to the side wall of the opening of the second groove 4; the elastic curved membrane 41 is concave towards the bottom of the second groove 4; the soft brush 35 is fixedly connected to the side wall of the elastic curved membrane 41 far away from the bottom of the second groove 4; when the cleaning device works, when the push block 34 is subjected to centrifugal force, the elastic curved membrane 41 protrudes outwards under the action of the centrifugal force, and the protruding elastic curved membrane 41 can drive the soft brush 35 to expand, so that the cleaning range of the soft brush 35 is enlarged, and the cleaning effect of the soft brush 35 is improved.
As an embodiment of the present invention, a third groove 45 is disposed on a side wall of the first groove 3; a group of elastic sheets 46 are fixedly connected to the bottom of the third groove 45 and the side wall of the push block 34, and elastic balls 47 are fixedly connected to the end parts of the elastic sheets 46; a group of convex blocks 48 are arranged on the elastic ball 47; the during operation receives centrifugal force outward movement or receives the adsorption affinity inward movement of adsorbing ball 32 after the feeding at ejector pad 34, and ejector pad 34 motion in-process, elastic ball 47 on ejector pad 34 and the third recess 45 all can collide, and elastic ball 47 collides and can drive flexure strip 46 and take place the tremor, can drive the pappus brush 35 simultaneously and take place vibrations, conveniently clears up self after the pappus brush 35 cleans.
As an embodiment of the present invention, a magnetic ball 42 is fixed on the side wall of the elastic curved film 41 close to the second groove 4; a buffer pad 43 is fixedly connected to the groove bottom of the second groove 4 at the position corresponding to the magnetic ball 42; a spiral magnetic stripe 44 is fixedly connected to the side wall of the blanking cavity 22 at a position corresponding to the outer side wall of the packing auger 26; the magnetic ball 42 and the spiral magnetic strip 44 repel each other; when the cleaning device works, the magnetic balls 42 are fixedly connected to the elastic curved membrane 41, when the pushing block 34 is subjected to centrifugal force, the magnetic balls 42 can further eject the elastic curved membrane 41, the cleaning range of the soft brush 35 is enlarged, the magnetic balls 42 and the spiral magnetic strips 44 repel each other, when the auger 26 rotates, the spiral magnetic strips 44 can push the magnetic balls 42 to move towards the bottom of the second groove 4, meanwhile, the pushing block 34 can be driven to move towards the bottom of the first groove 3, the pushing block 34 can reciprocate under the action of the centrifugal force and the repulsive force of the magnetic balls 42 and the thread magnetic strips, the pushing block 34 moves to generate vibration through collision between the elastic balls 47, the vibration can not only enable the soft brush 35 to clean itself, but also can further drive the auger 26 to vibrate, and some fine-crushed lumps are further dispersed.
As an embodiment of the present invention, a set of through slots 51 is disposed on the sidewall of the top end of the first groove 3; the side wall of the push block 34 close to the bottom of the first groove 3 is fixedly connected with a corrugated plate 5, and the corrugated groove on the corrugated plate 5 faces the side wall of the top end of the first groove 3; a first blade 53 is arranged in the through groove 51, the bottom end of the first blade 53 extends into the first groove 3 and is fixedly connected with an arc-shaped block 52, and the tool tip of the first blade 53 is positioned on the side wall of the packing auger 26; the arc-shaped block 52 is fixedly connected to the side wall of the top end of the first groove 3 through an elastic sheet, and the arc-shaped block 52 slides on the corrugated groove of the corrugated plate 5; when the pushing block 34 reciprocates during operation, the arc-shaped block 52 is pushed to move on the corrugated groove by the movement of the corrugated plate 5 at the moment, the first blade 53 is driven to move up and down, and the first blade 53 has impact cutting force upwards when moving upwards, so that rolling ball blocks can be further crushed, and the dispersing and crushing effect on material caking is further enhanced.
As an embodiment of the present invention, the first blade 53 includes a blade body 55; the bottom end of the knife body 55 is fixedly connected to the arc-shaped block 52, and the top end is an arc-shaped end; the top end of the knife body 55 is hinged with a pair of symmetrically distributed second blades 54, the bottom end of the second blade 54 close to the knife body 55 is an arc-shaped opening, and the arc-shaped opening and the arc-shaped end of the knife body 55 are corresponding to each other; the second blade 54 and the blade body 55 are connected through a spring; the side wall of the through groove 51 is fixedly connected with an anti-cutting piece; in operation, when the first blade 53 moves upward, the second blades 54 at the top of the first blade 53 are spread apart, and have cutting force to both sides under the action of the spring force, and then when the first blade 53 moves downward, the pair of second blades 54 are folded, and have cutting force inward, so that the periphery of the first blade 53 can be further cut, and the cutting range and the cutting force of the first blade 53 can be increased.
As an embodiment of the present invention, a pair of symmetrically distributed bosses 65 is fixed to the top end of the fixing plate 23; a pair of first air bags 64 which are symmetrically distributed are fixedly connected to the bottom end of the conical block 27; a group of first cavities 6 are formed in the outer side wall of the conical block 27; a push plate 61 is fixedly connected to the side wall of the first cavity 6 far away from the outer side wall of the conical block 27 through a spring; the push plate 61 is rotatably connected with a lead screw 62, the end part of the lead screw 62 penetrates through the first cavity 6 and extends out of the conical block 27, and a lead screw nut pair is arranged at the penetrating point of the first cavity 6; a group of third blades 63 are fixedly connected to the bar of the screw rod 62 extending out of the first cavity 6; the first air bag 64 and the first cavity 6 are communicated with each other, and the communication point is positioned on the side wall of the first cavity 6 far away from the outer side wall of the conical block 27; the during operation, when toper piece 27 is rotatory, the first gasbag 64 of toper piece 27 bottom can receive the extrusion of boss 65, in gas in the first gasbag 64 can get into first cavity 6, promote the motion of push pedal 61, the motion of push pedal 34 can drive lead screw 62 and rotate on screw nut is vice, lead screw 62 rotates and can drive the third blade 63 rotation on the thick stick, further the broken some caking materials that drop on toper piece 27 lateral wall of dispersion, the dispersion effect of improvement material.
The working principle is as follows: when the bidirectional motor 24 works, the bidirectional motor 24 is turned on, the first rotating shaft 25 and the packing auger 26 are driven to rotate at the same time, the first rotating shaft 25 rotates to drive the conical block 27 to rotate, and the packing auger 26 rotates to drive materials in the feed hopper 11 to uniformly enter the sleeve 1; when the conical block 27 rotates, the first air bag 64 at the bottom end of the conical block 27 is extruded by the boss 65, air in the first air bag 64 enters the first cavity 6 to push the push plate 61 to move, the push block 34 moves to drive the lead screw 62 to rotate on the lead screw nut pair, the lead screw 62 rotates to drive the third blade 63 on the lever to rotate, and agglomerated materials falling on the outer side wall of the conical block 27 are further dispersed and crushed, so that the dispersion effect of the materials is improved; when the auger 26 rotates, the pushing block 34 moves outwards under the action of centrifugal force to drive the soft brush 35 and the inner wall of the blanking cavity 22 to contact with each other for cleaning, and when the pushing block 34 is subjected to centrifugal force, the elastic curved film 41 protrudes outwards under the action of centrifugal force, and the protruding elastic curved film 41 can drive the soft brush 35 to expand to enlarge the cleaning range of the soft brush 35; when the packing auger 26 rotates, the pushing block 34 does reciprocating motion under the action of centrifugal force and repulsive force of the magnetic balls 42 and the threaded magnetic strips, the pushing block 34 vibrates through collision between the elastic balls 47, and the vibration can not only enable the soft brush 35 to clean itself, but also further drive the packing auger 26 to vibrate, so that some finely crushed caking shapes are further dispersed.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
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 (10)
1. The composite glass fiber material with the corrosion resistance is characterized by comprising the following raw materials in parts by weight:
5-8 parts of methyl methacrylate
8-10 parts of silane coupling agent
6-8 parts of natural paraffin
7-10 parts of polyamide resin
4-6 parts of alumina sol
8-10 parts of glass fiber;
the erosion-resistant agent is prepared from the following raw materials in parts by weight:
5-7 parts of polyphenylene sulfide
7-9 parts of a toughening agent.
2. A method for preparing an erosion-resistant composite glass fiber material, which is suitable for the erosion-resistant composite glass fiber material of claim 1, comprising the steps of:
s1: mixing natural paraffin and a silane coupling agent in proportion, mixing the mixture with glass fibers, and carrying out surface treatment on the glass fibers to obtain surface modified glass fibers;
s2: accurately weighing methyl methacrylate, surface modified glass fiber, aluminum sol, polyamide resin and erosion-resistant agent, putting the methyl methacrylate, the surface modified glass fiber, the aluminum sol, the polyamide resin and the erosion-resistant agent into a high-speed stirrer, and uniformly stirring and mixing for 5-10 min;
s3: and (4) adding the mixture obtained in the step (S2) into a granulator for granulation, and controlling the processing temperature to be 170-240 ℃ to obtain the composite glass fiber material.
3. The method for preparing an erosion-resistant composite glass fiber material according to claim 2, wherein the pelletizer in S3 comprises a barrel (1); a feed hopper (11) is arranged at the upper end of the sleeve (1), a propeller (12) is arranged on the side wall of the sleeve (1), and a support (13) is fixedly connected to the bottom end of the sleeve (1); the feed hopper (11) comprises a dispersion cavity (21) and a blanking cavity (22); the top end of the feed hopper (11) is provided with a feed inlet (2); the dispersing cavity (21) is positioned above the blanking cavity (22), the cross section of the dispersing cavity (21) is in an inverted trapezoid shape, and the cross section of the blanking cavity (22) is rectangular; the side wall of the dispersion cavity (21) is fixedly connected with a fixing plate (23) through a fixing rod; the bottom of fixed plate (23) rigid coupling has two-way motor (24), and the bottom rigid coupling of two-way motor (24) has auger (26), and in auger (26) stretched into unloading chamber (22), the top rigid coupling of two-way motor (24) had first axis of rotation (25), and first axis of rotation (25) run through fixed plate (23), and first axis of rotation (25) tip rigid coupling has conical block (27).
4. The preparation method of the erosion-resistant composite glass fiber material according to claim 3, wherein a group of first grooves (3) are formed in the outer side wall of the packing auger (26) close to the inner wall of the blanking cavity (22); a first magnet (31) is fixedly connected to the bottom of the first groove (3); an adsorption ball (32) is arranged in the first groove (3), and the adsorption ball (32) and the first magnet (31) are mutually attracted; the side wall of the first groove (3) is connected with a push block (34) in a sliding manner, and the side wall of the push block (34) close to the inner wall of the blanking cavity (22) is provided with a soft brush (35); the adsorption balls (32) are connected with each other through a string (33) and a push block (34).
5. The preparation method of the erosion-resistant composite glass fiber material according to claim 4, wherein a second groove (4) is formed in the side wall of the push block (34) close to the blanking cavity (22); an elastic curved membrane (41) is fixedly connected to the side wall of the opening of the second groove (4); the elastic curved membrane (41) is inwards concave towards the bottom of the second groove (4); the soft brush (35) is fixedly connected to the side wall of the elastic curved membrane (41) far away from the bottom of the second groove (4).
6. The preparation method of the erosion-resistant composite glass fiber material according to claim 5, wherein a third groove (45) is formed in the side wall of the first groove (3); a group of elastic sheets (46) are fixedly connected to the bottom of the third groove (45) and the side wall of the push block (34), and elastic balls (47) are fixedly connected to the end parts of the elastic sheets (46); a group of convex blocks (48) are arranged on the elastic ball (47).
7. The preparation method of the erosion-resistant composite glass fiber material according to claim 6, wherein the side wall of the elastic curved membrane (41) close to the second groove (4) is fixedly connected with a magnetic ball (42); a buffer pad (43) is fixedly connected to the bottom of the second groove (4) at a position corresponding to the magnetic ball (42); a spiral magnetic stripe (44) is fixedly connected to the position, corresponding to the outer side wall of the packing auger (26), on the side wall of the blanking cavity (22); the magnetic ball (42) and the helical magnetic strip (44) repel each other.
8. The preparation method of the erosion-resistant composite glass fiber material according to claim 7, wherein a group of through grooves (51) are formed in the side wall of the top end of the first groove (3); the side wall of the push block (34) close to the bottom of the first groove (3) is fixedly connected with a corrugated plate (5), and the corrugated groove on the corrugated plate (5) faces the side wall of the top end of the first groove (3); a first blade (53) is arranged in the through groove (51), the bottom end of the first blade (53) extends into the first groove (3) and is fixedly connected with an arc-shaped block (52), and the tool tip of the first blade (53) is positioned on the side wall of the packing auger (26); the arc-shaped block (52) is fixedly connected to the side wall of the top end of the first groove (3) through an elastic sheet, and the arc-shaped block (52) slides on the corrugated groove of the corrugated plate (5).
9. The method for preparing an erosion-resistant composite glass fiber material according to claim 8, wherein the first blade (53) comprises a blade body (55); the bottom end of the knife body (55) is fixedly connected to the arc-shaped block (52), and the top end is an arc-shaped end; the top end of the knife body (55) is hinged with a pair of second blades (54) which are symmetrically distributed, the bottom end of each second blade (54) close to the knife body (55) is an arc-shaped opening, and the arc-shaped openings correspond to the arc-shaped ends of the knife body (55); the second blade (54) is connected with the knife body (55) through a spring; the side wall of the through groove (51) is fixedly connected with an anti-cutting piece.
10. The method for preparing the erosion-resistant composite glass fiber material according to claim 9, wherein a pair of symmetrically distributed bosses (65) is fixedly connected to the top end of the fixing plate (23); a pair of first air bags (64) which are symmetrically distributed is fixedly connected to the bottom end of the conical block (27); a group of first cavities (6) are formed in the outer side wall of the conical block (27); a push plate (61) is fixedly connected to the side wall of the first cavity (6) far away from the outer side wall of the conical block (27) through a spring; the push plate (61) is rotatably connected with a lead screw (62), the end part of the lead screw (62) penetrates through the first cavity (6) and extends out of the conical block (27), and a lead screw nut pair is arranged on a penetrating point of the first cavity (6); a group of third blades (63) are fixedly connected to the bar of the lead screw (62) extending out of the first cavity (6); the first air bag (64) and the first cavity (6) are communicated with each other, and the communication point is positioned on the side wall of the first cavity (6) far away from the outer side wall of the conical block (27).
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Cited By (1)
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| CN113725124A (en) * | 2021-08-31 | 2021-11-30 | 广东良友科技有限公司 | Comprehensive packaging mechanism and method for LED Surface Mount Device (SMD) support |
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