CN113863777B - Flame-retardant high-strength wood-plastic profile and preparation method thereof - Google Patents
Flame-retardant high-strength wood-plastic profile and preparation method thereof Download PDFInfo
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- CN113863777B CN113863777B CN202111218685.3A CN202111218685A CN113863777B CN 113863777 B CN113863777 B CN 113863777B CN 202111218685 A CN202111218685 A CN 202111218685A CN 113863777 B CN113863777 B CN 113863777B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0003—Producing profiled members, e.g. beams
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0028—Use of organic additives containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0033—Use of organic additives containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0085—Use of fibrous compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F7/20—Means for attaching signs, plates, panels, or boards to a supporting structure for adjustably mounting
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
Abstract
The invention provides a flame-retardant high-strength wood-plastic profile and a preparation method thereof, relates to the technical field of wood-plastic profiles, and solves the problem that the existing wood-plastic profile does not have a production date recording structure; be applied to the wood-plastic section bar of guardrail, when the installation problem appears, generally warn through the warning sign, but warning sign warning range is only limited to a segment on every side, and the problem that the warning mode is not convenient. The flame-retardant high-strength wood-plastic profile comprises a wood-plastic profile main body, wherein a date separating groove penetrating through the rear end face of the wood-plastic profile main body is formed in the middle of the front end face of the wood-plastic profile main body. Through the date separating groove, the date numerical value identification groove A and the date numerical value identification groove B, the record of the date of the production year and the month of the wood-plastic section main body is realized, and a purchasing user can know the production date of the wood-plastic section main body by watching so as to ensure that the purchased wood-plastic section main body is in the quality guarantee time limit.
Description
Technical Field
The invention belongs to the technical field of wood-plastic profiles, and particularly relates to a flame-retardant high-strength wood-plastic profile and a preparation method thereof.
Background
Wood-plastic, i.e. wood-plastic composite, refers to a sheet material formed by mixing plastic, wood powder and additives in a certain proportion and then hot-extruding the mixture.
The service life of the wood-plastic section is about 10 years generally, the quality assurance of the wood-plastic section is about 3 years generally, but the existing wood-plastic section does not have an obvious production date recording structure, so that a user cannot judge whether the current wood-plastic section is within the 3-year time limit of the quality assurance when purchasing the wood-plastic section, because some merchants recover the wood-plastic section exceeding the quality assurance time limit for cost reduction and then renew the wood-plastic section in a spraying mode and the like, and then sell the wood-plastic section, once the user purchases the wood-plastic section, the application time limit is short, and quality problems exist, once the wood-plastic section is applied to some safety protection areas, such as a guardrail along a river, safety accidents are easily caused due to the quality problems, and potential safety hazards exist;
be applied to the wood-plastic section bar of guardrail, when guardrail managers discovers that the guardrail has the installation problem, when having the potential safety hazard of empting, in the time quantum that needs wait for maintenance personal maintenance, generally warn through the warning sign, nevertheless warning sign warning scope is limited to a segment on every side, so need guardrail managers to place a warning sign along every interval distance of guardrail, warning mode is not convenient.
Disclosure of Invention
In order to solve the technical problems, the invention provides a flame-retardant high-strength wood-plastic sectional material and a preparation method thereof, which aim to solve the problem that the existing wood-plastic sectional material does not have an obvious production date recording structure; be applied to the wood-plastic section bar of guardrail, when the installation problem appears, generally warn through the warning sign, but warning sign warning range is only limited to a segment on every side, and the problem that the warning mode is not convenient.
The invention relates to a flame-retardant high-strength wood-plastic section and a preparation method thereof, and aims and effects of the flame-retardant high-strength wood-plastic section are achieved by the following specific technical means:
the flame-retardant high-strength wood-plastic profile comprises a wood-plastic profile main body, wherein the longitudinal section of the wood-plastic profile main body is of a square structure, an inclined plane is arranged between the left end surface and the top end surface of the wood-plastic profile main body, and the inclined plane and the bottom end surface of the wood-plastic profile main body form an included angle of forty-five degrees; the front end face of the wood-plastic section main body is provided with a hollow opening penetrating through the rear end face of the wood-plastic section main body, the hollow opening is of a square opening structure, an inclined plane structure is arranged between the left side face and the top side face of the inner end of the hollow opening, and the inclined plane structure is parallel to the inclined plane;
the middle part of the front end surface of the wood-plastic section main body is provided with a date separation groove which penetrates through the rear end surface of the wood-plastic section main body, the longitudinal section of the date separation groove is of a square structure, and the date separation groove penetrates through the bottom side surface of the inner end of the hollow opening; the date value identification groove A is formed in the front end face of the wood-plastic profile main body and penetrates through the rear end face of the wood-plastic profile main body, and the longitudinal section of the date value identification groove A is of a half-ellipse structure; and the date value identification groove B is formed in the front end face of the wood-plastic section bar main body and penetrates through the rear end face of the wood-plastic section bar main body, and the longitudinal section of the date value identification groove B can be a half lower half structure of I, II, III, IV, V, VI, VII, VIII and IX.
Furthermore, a through display opening is formed in the inclined surface, the through display opening is of a rectangular opening structure, and the through display opening is communicated with the hollow opening; the inner end face of the through display opening is sealed and bonded with a transparent piece, the transparent piece can be glass, a transparent acrylic plate and a transparent plastic plate, and the transparent piece is convenient for pedestrians to observe the display piece positioned in the through display opening through the transparent piece when the display piece is close to the wood-plastic section main body, so that the pedestrians can clearly observe the warning mark on the warning face when the warning face of the display piece faces to the inclined face, the contact with the wood-plastic section main body is avoided, the safety of the pedestrians is guaranteed, and the transparent piece and the inclined face are positioned on the same horizontal plane; a set of rotation auxiliary member C is installed to link up the embedded front side face in show opening inner, rotates auxiliary member C and is the bearing, and link up show opening inner trailing flank embedded installation and have a set of rotation auxiliary member B, rotate auxiliary member B and be the bearing, rotate auxiliary member B and rotate auxiliary member C and be in with the axle center state.
The display piece is integrally of a cylindrical structure, a rotating shaft C is arranged at the axis position of the rear end face of the display piece and is connected with a rotation auxiliary piece B in an installing mode, a rotating shaft B is arranged at the axis position of the front end face of the display piece and is connected with the rotation auxiliary piece C in an installing mode, and a transmission piece B which is a gear is installed on the outer peripheral face of the rotating shaft B in a key mode; a warning surface is arranged on the outer peripheral surface of the display piece, and a row of warning signs of 'danger does not need to be close to' are recorded on the warning surface.
Furthermore, a transverse groove is formed in the top side face of the inner end of the hollow opening, the transverse groove is located at the front side part of the inner end, a chute communicated with the transverse groove is formed in the inclined plane structure of the hollow opening, and the chute is located at the front side part of the inner end; the front side surface of the inner end of the through display opening is provided with a shaft hole communicated with the chute relative to the inner ring part of the rotation auxiliary part C; the shaft hole is passed to pivot B, and transmission piece B is located the chute inside.
Furthermore, a group of rotation auxiliary parts A are embedded in the positions of the rear side faces of the inner ends of the chutes and adjacent through display openings, the rotation auxiliary parts A are bearings, the rotation auxiliary parts A are in installation connection with a rotating shaft A, the outer peripheral faces of the rotating shafts A are provided with keys, transmission parts A are gears, and the transmission parts A are located inside the chutes and meshed with the transmission parts B.
Furthermore, the top end face of the wood-plastic section bar main body is provided with a receiving groove which is in a circular groove structure relative to the transverse groove, and the axis part of the bottom surface of the inner end of the receiving groove is provided with a threaded through hole communicated with the transverse groove; a head end block with the same size as the storage groove is inserted into the storage groove, an insertion groove is formed in the axis position of the top end face of the head end block, and the insertion groove is of a hexagonal structure; the axis part of the bottom end face of the head end block is provided with a round rod, the outer peripheral surface of the round rod is provided with external threads, and the external threads are in threaded connection with the threaded through hole.
Furthermore, the bottom end face of the round rod is rotatably connected with the top end face of a transmission piece C through a group of rotation auxiliary pieces D which are bearings, the transmission piece C is a rack, and the transmission piece C is meshed with the transmission piece A; when the top end face of the head end block and the top end face of the wood-plastic section main body are positioned at the same horizontal plane, the warning face of the display piece does not face the transparent piece.
The invention discloses a preparation method of a flame-retardant high-strength wood-plastic sectional material, which comprises the following steps:
step one, preparing raw materials:
70-100 parts of PVC, 20-30 parts of calcium carbonate, 30-40 parts of bamboo/wood powder, 5-10 parts of ethylene-tetrafluoroethylene copolymer, 1-3 parts of 2, 4-dihydroxy benzophenone, 1-3 parts of peroxide-2-ethylhexyl tert-amyl carbonate, 3-5 parts of alkali-free glass fiber, 1-3 parts of 2- (2H-benzotriazole-2-yl) p-cresol, 1-2 parts of trinonyl phenyl phosphite, 1-3 parts of methacryloxypropyl trimethoxy silane, 1-2 parts of stabilizer, 3-5 parts of foaming regulator, 0.5-1 part of PE wax, 3-4 parts of OPE wax and 0.5-1 part of OB fluorescent whitening agent; 0.5 to 1 portion of phenyl ortho-hydroxybenzoate, 0.5 to 1 portion of stearic acid, 0.5 to 1 portion of AC foaming agent, 1.0 to 2 portions of magnesium hydroxide/aluminum oxide and 0.5 to 2 portions of pigment,
step two, mixing the raw materials:
sequentially adding the raw materials in the step one into a high-speed mixer for mixing at the mixing temperature of 100-110 ℃ for 20-30 min to obtain a mixture;
step three, granulation:
adding the mixture obtained in the step two into a granulator for granulation at the temperature of 140-160 ℃ to obtain granules;
step four, extrusion forming:
adding the granules obtained in the third step into a wood-plastic profile extruder, enabling an extrusion forming die to be consistent with the structure of the wood-plastic profile main body, selecting an extrusion forming bulge corresponding to the current production year, month and date according to the current production date, arranging the extrusion forming bulge in the extrusion forming die, enabling the extrusion forming bulge to be matched with the date separation groove, the date value identification groove A and the date value identification groove B in structure, and performing post-extrusion to obtain a formed flame-retardant high-strength wood-plastic profile main body;
step five, processing:
through the processing equipment, processing goes out chute, cross slot, accomodates groove, screw thread through-hole, shaft hole and link up the show opening, corresponds the installation with transparent, pivot A, driving medium A, rotation auxiliary member B, rotation auxiliary member C again, then accomplishes the matching installation of show piece and driving medium C again.
Compared with the prior art, the invention has the following beneficial effects:
when the wood-plastic section main body is extruded and molded, according to the current production date, the extrusion molding bulge corresponding to the current production year month date is selected and arranged in the extrusion molding die, the extrusion molding bulge is structurally matched with the date separation groove, the date numerical value identification groove A and the date numerical value identification groove B, the molded flame-retardant high-strength wood-plastic section main body is obtained through post extrusion, the record of the production year month date of the wood-plastic section main body is realized through the date separation groove, the date numerical value identification groove A and the date numerical value identification groove B, a user can conveniently watch and know the production date of the wood-plastic section main body to ensure that the purchased wood-plastic section main body is in quality guarantee time limit, the situation that some merchants renew the recovered wood-plastic section which exceeds the quality guarantee time limit in a spraying mode and the like and then sell the new wood-plastic section under the name of a second time is avoided.
The wood-plastic section bar main body is mainly used as a guardrail, when a guardrail manager finds that the guardrail has installation problems and potential safety hazards of toppling over, the guardrail manager can rotate the display piece to enable the warning surface to face the transparent piece in a time period needing to be maintained by a maintenance worker, and a row of warning marks of 'no danger is required to be close' are recorded on the warning surface, so that when a pedestrian is close to the wood-plastic section bar main body, the warning marks can be observed through the transparent piece, the pedestrian is warned, the pedestrian is prevented from being close to the guardrail, and large-scale warning can be realized by the mode.
The wood-plastic profile main body is prepared from PVC, calcium carbonate, bamboo/wood powder, a stabilizer, a foaming regulator, PE wax, stearic acid, an AC foaming agent, a lead-free magnesium-aluminum composite flame retardant and a pigment, wherein the lead-free magnesium-aluminum composite flame retardant additive greatly enhances the flame retardant property of the wood-plastic profile main body; the hardness and rigidity of the wood-plastic section main body are improved by adding the micron calcium carbonate, and the wood-plastic section main body has the performances of high flame retardance, high strength, durability, weather resistance and the like by combining with other anti-aging additives.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a schematic front view of the present invention.
Fig. 3 is a side view of the present invention.
FIG. 4 isbase:Sub>A schematic cross-sectional view A-A of FIG. 3 according to the present invention.
Fig. 5 is a partial enlarged structural view of the present invention at C in fig. 4.
FIG. 6 is a schematic structural view of the display member, the transmission member A, the transmission member C, the round bar and the head block shown in FIG. 5 with the parts removed.
FIG. 7 is a schematic cross-sectional view B-B of FIG. 3 according to the present invention.
Fig. 8 is an axial view structural schematic diagram of the front end of the wood-plastic profile main body.
Fig. 9 is a schematic axial view of the rear end of the wood-plastic profile main body of the invention.
FIG. 10 is a schematic view of the structure of the transmission member C of the present invention.
Fig. 11 is a schematic view of the display structure of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a wood-plastic profile main body; 101. a hollow opening; 102. a bevel; 103. a transparent member; 104. a chute; 105. a transverse groove; 106. a rotating shaft A; 107. a transmission member A; 108. a rotation aid A; 109. a receiving groove; 1010. a threaded through hole; 1011. a shaft hole; 1012. a through display opening; 1013. a rotation aid B; 1014. a rotation aid C; 2. a display member; 201. a rotating shaft B; 202. a transmission member B; 203. a rotating shaft C; 204. a warning surface; 205. a warning sign; 3. a transmission member C; 301. a round bar; 302. a head mass; 303. an external thread; 304. a slot; 305. a rotation aid D; 01. a date separating slot; 02. a date value identification slot A; 03. the date value identification slot B.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example (b):
as shown in figures 1 to 11:
the invention provides a flame-retardant high-strength wood-plastic section and a preparation method thereof, wherein the preparation method comprises the following steps: the wood-plastic profile comprises a wood-plastic profile main body 1, wherein the longitudinal section of the wood-plastic profile main body 1 is of a square structure, an inclined plane 102 is arranged between the left end surface and the top end surface of the wood-plastic profile main body 1, and the inclined plane 102 and the bottom end surface of the wood-plastic profile main body 1 form an included angle of forty-five degrees; the front end face of the wood-plastic profile main body 1 is provided with a hollow opening 101 penetrating through the rear end face of the wood-plastic profile main body, the hollow opening 101 is of a square opening structure, an inclined plane structure is arranged between the left side face and the top side face of the inner end of the hollow opening 101, and the inclined plane structure is parallel to the inclined plane 102; the middle part of the front end face of the wood-plastic section bar main body 1 is provided with a date separating groove 01 which penetrates through the rear end face of the wood-plastic section bar main body 1, the longitudinal section of the date separating groove 01 is of a square structure, and the date separating groove 01 penetrates through the bottom side face of the inner end of the hollow opening 101; the date value identification groove A02 is formed in the front end face of the wood-plastic profile body 1 and penetrates through the rear end face of the wood-plastic profile body 1, and the longitudinal section of the date value identification groove A02 is of a half-ellipse structure; the date value identification groove B03 is formed in the front end face of the wood-plastic section main body 1 and penetrates through the rear end face of the wood-plastic section main body 1, the longitudinal section of the date value identification groove B03 can be of a half lower half-part structure of I, II, III, IV, V, VI, VII, VIII and IX, the date of the production year of the wood-plastic section main body 1 can be recorded through the date separation groove 01, the date value identification groove A02 and the date value identification groove B03, a user can conveniently know the production date of the wood-plastic section main body 1 through watching through the date separation groove 01, the purchased wood-plastic section main body 1 is guaranteed to be in quality guarantee time limit, and the situation that certain merchants renew the recovered wood-plastic sections exceeding the quality guarantee time limit in a spraying mode and the like and sell the wood-plastic sections with new products for the second time is avoided.
Wherein, a through display opening 1012 is arranged on the inclined plane 102, the through display opening 1012 is in a rectangular opening structure, and the through display opening 1012 is communicated with the hollow opening 101; a transparent piece 103 is bonded on the inner end face of the through display opening 1012 in a sealing manner, the transparent piece 103 can be glass, a transparent acrylic plate or a transparent plastic plate, and when a pedestrian approaches the wood-plastic section main body 1, the transparent piece 103 can be used for observing the display piece 2 in the through display opening 1012, so that when the warning face 204 of the display piece 2 faces the inclined plane 102, the pedestrian can clearly observe the warning mark 205 on the warning face 204, thereby avoiding contacting the wood-plastic section main body 1 to ensure the safety of the pedestrian, and the transparent piece 103 and the inclined plane 102 are positioned on the same horizontal plane; a set of rotation auxiliary C1014 is fitted in the front side of the inner end of the through display opening 1012, the rotation auxiliary C1014 is a bearing, a set of rotation auxiliary B1013 is fitted in the rear side of the inner end of the through display opening 1012, the rotation auxiliary B1013 is a bearing, and the rotation auxiliary B1013 and the rotation auxiliary C1014 are in a coaxial state.
The display part comprises a display part 2, the display part 2 is of a cylindrical structure as a whole, a rotating shaft C203 is arranged at the axis position of the rear end face of the display part 2, the rotating shaft C203 is connected with a rotation auxiliary part B1013 in an installing manner, a rotating shaft B201 is arranged at the axis position of the front end face of the display part 2, the rotating shaft B201 is connected with a rotation auxiliary part C1014 in an installing manner, and a transmission part B202 which is a gear is arranged on the peripheral surface of the rotating shaft B201 in a key manner; a warning face 204 has been seted up to 2 outer peripheral faces of show piece, it has one row of warning sign 205 of "danger does not need to be close to" to etch on the warning face 204, when the pedestrian is close to wood-plastic section main part 1, warning sign 205 is observed to its permeable transparency 103 to play the warning to the pedestrian, avoid the pedestrian to be close to the guardrail, through this mode, can realize warning on a large scale, can only warn a segment scope mode with traditional warning sign and compare, the warning mode is more convenient, realize safety warning on a large scale.
Wherein, the top side surface of the inner end of the hollow opening 101 is provided with a transverse groove 105, the transverse groove 105 is positioned at the front side part of the inner end, the inclined surface structure of the hollow opening 101 is provided with an inclined groove 104 communicated with the transverse groove 105, and the inclined groove 104 is positioned at the front side part of the inner end; a shaft hole 1011 communicated with the chute 104 is formed through the front side surface of the inner end of the display opening 1012 and corresponds to the inner ring part of the rotation auxiliary part C1014; the rotating shaft B201 penetrates through the shaft hole 1011, and the transmission piece B202 is positioned inside the chute 104; a group of rotation auxiliary parts A108 are embedded in the positions, adjacent to the through display opening 1012, of the rear side face of the inner end of the chute 104, the rotation auxiliary parts A108 are bearings, the rotation auxiliary parts A108 are connected with a rotating shaft A106 in an installing mode, a transmission part A107 is installed on the peripheral face of the rotating shaft A106 in a key mode, the transmission part A107 is a gear, and the transmission part A107 is located inside the chute 104 and meshed with the transmission part B202; the top end face of the wood-plastic profile main body 1 is provided with a receiving groove 109 which is of a circular groove structure and is opposite to the transverse groove 105, and the axis part of the bottom surface at the inner end of the receiving groove 109 is provided with a threaded through hole 1010 communicated with the transverse groove 105; a head end block 302 with the same size as the structure is inserted into the accommodating groove 109, a slot 304 is arranged at the axle center part of the top end surface of the head end block 302, and the slot 304 is in a hexagonal structure; a round rod 301 is arranged at the axis part of the bottom end surface of the head end block 302, an external thread 303 is arranged on the outer peripheral surface of the round rod 301, and the external thread 303 is in threaded connection with the threaded through hole 1010; the bottom end face of the round rod 301 is rotationally connected with the top end face of the transmission piece C3 through a group of rotation auxiliary pieces D305 which are bearings, so that the rotary motion of the round rod 301 can be converted into linear motion through the rotation auxiliary pieces D305, the transmission piece C3 is a rack, the transmission piece C3 is meshed with the transmission piece A107, and as the transmission piece C3, the transmission piece A107 and the transmission piece B202 are meshed for transmission, the transmission piece B202 is meshed for transmission when the transmission piece C3 moves upwards, so that the display piece 2 is synchronously driven to rotate, a guardrail manager can observe the rotation angle of the display piece 2 through the transparent piece 103 until the warning face 204 faces the transparent piece 103 and stops rotating; when the top end surface of the head block 302 and the top end surface of the wood-plastic profile main body 1 are at the same level, the warning surface 204 of the display member 2 does not face the transparent member 103, so that in the non-warning state of the present invention, the head block 302 is completely accommodated in the accommodating groove 109 and does not exceed the top end surface of the wood-plastic profile main body 1, thereby ensuring that the head block is not damaged by scratching, collision, etc.
The invention discloses a preparation method of a flame-retardant high-strength wood-plastic profile, which comprises the following steps:
step one, preparing raw materials:
70-100 parts of PVC, 20-30 parts of calcium carbonate, 30-40 parts of bamboo/wood powder, 5-10 parts of ethylene-tetrafluoroethylene copolymer, 1-3 parts of 2, 4-dihydroxy benzophenone, 1-3 parts of peroxide-2-ethylhexyl tert-amyl carbonate, 3-5 parts of alkali-free glass fiber, 1-3 parts of 2- (2H-benzotriazole-2-yl) p-cresol, 1-2 parts of trinonyl phenyl phosphite ester, 1-3 parts of methacryloxypropyl trimethoxy silane, 1-2 parts of stabilizer, 3-5 parts of foaming regulator, 0.5-1 part of PE wax, 3-4 parts of OPE wax and 0.5-1 part of OB fluorescent brightener; 0.5 to 1 portion of phenyl ortho-hydroxybenzoate, 0.5 to 1 portion of stearic acid, 0.5 to 1 portion of AC foaming agent, 1.0 to 2 portions of magnesium hydroxide/aluminum oxide and 0.5 to 2 portions of pigment,
step two, mixing the raw materials:
sequentially adding the raw materials in the step one into a high-speed mixer for mixing, wherein the mixing temperature is 100-110 ℃, and the mixing time is 20-30 min, so as to obtain a mixture;
step three, granulation:
adding the mixture obtained in the step two into a granulator for granulation at the temperature of 140-160 ℃ to obtain granules;
step four, extrusion forming:
adding the granules obtained in the third step into a wood-plastic profile extruder, enabling an extrusion forming die to be consistent with the structure of the wood-plastic profile main body 1, selecting extrusion forming bulges corresponding to the current date of production year and month according to the current production date, arranging the extrusion forming bulges in the extrusion forming die, enabling the extrusion forming bulges to be matched with the date separation groove 01, the date value identification groove A02 and the date value identification groove B03 in structure, and then extruding to obtain the formed flame-retardant high-strength wood-plastic profile main body 1;
step five, processing:
the inclined groove 104, the transverse groove 105, the accommodating groove 109, the threaded through hole 1010, the shaft hole 1011 and the through display opening 1012 are processed by processing equipment, then the transparent piece 103, the rotating shaft A106, the transmission piece A107, the rotation auxiliary piece A108, the rotation auxiliary piece B1013 and the rotation auxiliary piece C1014 are correspondingly installed, and then the matching installation of the display piece 2 and the transmission piece C3 is completed.
When in use:
when the wood-plastic section main body 1 is extruded and formed, according to the current production date, the extrusion forming bulge corresponding to the current production year, month and date is selected and arranged in the extrusion forming die, the extrusion forming bulge is matched with the date separation groove 01, the date numerical value identification groove A02 and the date numerical value identification groove B03 in structure, and the formed flame-retardant high-strength wood-plastic section main body 1 is obtained through post extrusion;
for example, the date of the production year is 2021, 09 months, as shown in fig. 2, a date separating groove 01 penetrating through the rear end face of the wood-plastic profile main body 1 is formed in the middle of the front end face of the wood-plastic profile main body 1, the longitudinal section of the date separating groove 01 is in a square structure, the date separating groove 01 penetrates through the bottom side face of the inner end of the hollow opening 101, the date separating groove 01 serves as a separating point of the production date year and the production month, a date value identifying groove a02 having a half-lower half structure with a longitudinal section of "ii", a date value identifying groove a02 having a half-elliptical structure with a longitudinal section, a date value identifying groove a02 having a half-lower half structure with a longitudinal section of "ii", and a date value identifying groove a02 having a half-lower half structure with a longitudinal section of "i" represent "2", "0", "2", "1", the recording of the production date and year is realized, a date value identification groove A02 with a half-ellipse longitudinal section and a half-half IX longitudinal section and a half-half lower half structure longitudinal section are sequentially arranged from left to right on the right side of the date separation groove 01, and are respectively represented as 0 and 9, the recording of the production date and month is realized, the recording of the production year and month date of the wood-plastic profile main body 1 is realized through the date separation groove 01, the date value identification groove A02 and the date value identification groove B03, a purchasing user can conveniently know the production date of the wood-plastic profile main body 1 by watching through the date separation groove 01, the purchased wood-plastic profile main body 1 is ensured to be in the quality guarantee time limit, and the situation that some merchants spray the recycled wood-plastic profiles exceeding the quality guarantee time limit for reducing the cost is avoided, treating the recycled wood-plastic section bar until the recycled wood-plastic section bar is the same as a new wood-plastic section bar, and carrying out secondary selling;
the wood-plastic section bar main body 1 is mainly applied as a guardrail, when a guardrail manager discovers that the guardrail has installation problems and has potential safety hazards of toppling, the guardrail manager can be inserted into the slot 304 through an inner hexagonal wrench and rotates the head end block 302 in a time period needing to be maintained by a maintenance person, so that the round rod 301 is driven to move upwards along the threaded through hole 1010 through the external threads 303, and the round rod 301 and the transmission piece C3 are connected in a rotating mode through a group of rotating auxiliary pieces D305 serving as bearings, so that the round rod 301 is converted into linear motion through the rotating auxiliary pieces D305, the transmission piece C3 is driven to move upwards, the transmission piece C3, the transmission piece A107 and the transmission piece B202 are meshed for transmission, so that the transmission piece C3 moves upwards, the meshed transmission piece B202 rotates, so that the display piece 2 is synchronously driven to rotate, the guardrail manager can observe the rotation angle of the display piece 2 through the transparent piece 103 until the warning surface 204 faces the transparent piece 103, the warning surface 204 stops rotating, and the warning mark 205 can be conveniently observed through a row of warning marks 205 which are not close to pedestrians, and the traditional warning mode that the warning marks are convenient to a large-scale can be realized;
the wood-plastic profile main body is prepared from PVC, calcium carbonate, bamboo/wood powder, a stabilizer, a foaming regulator, PE wax, stearic acid, an AC foaming agent, a lead-free magnesium-aluminum composite flame retardant, an anti-aging agent and a pigment, wherein the lead-free magnesium-aluminum composite flame retardant additive greatly enhances the flame retardant property of the wood-plastic profile main body; and the hardness and rigidity of the main body of the wood-plastic section are improved by adding the micron-sized calcium carbonate, so that the main body of the wood-plastic section has high flame retardance and high strength.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (2)
1. The flame-retardant high-strength wood-plastic section is characterized in that: the flame-retardant high-strength wood-plastic profile comprises a wood-plastic profile main body (1), wherein the longitudinal section of the wood-plastic profile main body (1) is of a square structure, an inclined plane (102) is arranged between the left end surface and the top end surface of the wood-plastic profile main body (1), and the inclined plane (102) and the bottom end surface of the wood-plastic profile main body (1) form an included angle of forty-five degrees; the wood-plastic section bar comprises a wood-plastic section bar main body (1), wherein the front end face of the wood-plastic section bar main body (1) is provided with a hollow opening (101) penetrating through the rear end face of the wood-plastic section bar main body, the hollow opening (101) is of a square opening structure, an inclined plane structure is arranged between the left side face and the top side face of the inner end of the hollow opening (101), and the inclined plane structure is parallel to an inclined plane (102); the middle part of the front end face of the wood-plastic section bar main body (1) is provided with a date separation groove (01) penetrating through the rear end face of the wood-plastic section bar main body (1), the longitudinal section of the date separation groove (01) is of a square structure, and the date separation groove (01) penetrates through the bottom side face of the inner end of the hollow opening (101); the date value identification groove A (02) is formed in the front end face of the wood-plastic profile main body (1) and penetrates through the rear end face of the wood-plastic profile main body (1), and the longitudinal section of the date value identification groove A (02) is of a half-ellipse structure; the date value identification groove B (03) is formed in the front end face of the wood-plastic section main body (1) and penetrates through the rear end face of the wood-plastic section main body (1), and the longitudinal section of the date value identification groove B (03) can be of a half lower half structure of I, II, III, IV, V, VI, VII, VIII and IX;
the inclined surface (102) is provided with a through display opening (1012), the through display opening (1012) is of a rectangular opening structure, and the through display opening (1012) is communicated with the hollow opening (101); a transparent piece (103) is bonded on the inner end face of the through display opening (1012) in a sealing way, and the transparent piece (103) and the inclined plane (102) are positioned on the same horizontal plane; a group of rotation auxiliary parts C (1014) are embedded in the front side surface of the inner end of the through display opening (1012), the rotation auxiliary parts C (1014) are bearings, a group of rotation auxiliary parts B (1013) are embedded in the rear side surface of the inner end of the through display opening (1012), the rotation auxiliary parts B (1013) are bearings, and the rotation auxiliary parts B (1013) and the rotation auxiliary parts C (1014) are in a coaxial state;
the display piece is characterized by further comprising a display piece (2), the display piece (2) is integrally of a cylindrical structure, a rotating shaft C (203) is arranged at the axis of the rear end face of the display piece (2), the rotating shaft C (203) is connected with a rotating auxiliary piece B (1013), a rotating shaft B (201) is arranged at the axis of the front end face of the display piece (2), the rotating shaft B (201) is connected with a rotating auxiliary piece C (1014), and a transmission piece B (202) which is a gear is installed on the outer peripheral face of the rotating shaft B (201) in a key mode; the outer peripheral surface of the display piece (2) is provided with a warning surface (204), and a row of warning marks (205) for 'no approach to danger' are recorded on the warning surface (204);
a transverse groove (105) is formed in the top side face of the inner end of the hollow opening (101), the transverse groove (105) is located at the front side part of the inner end, a chute (104) communicated with the transverse groove (105) is formed in the inclined surface structure of the hollow opening (101), and the chute (104) is located at the front side part of the inner end; the front side surface of the inner end of the through display opening (1012) is provided with a shaft hole (1011) communicated with the chute (104) relative to the inner ring part of the rotation auxiliary part C (1014); the rotating shaft B (201) penetrates through the shaft hole (1011), and the transmission piece B (202) is positioned inside the chute (104);
a group of rotation auxiliary parts A (108) are embedded in the positions, adjacent to the through display openings (1012), of the rear side face of the inner end of the chute (104), the rotation auxiliary parts A (108) are bearings, the rotation auxiliary parts A (108) are connected with a rotating shaft A (106) in an installing mode, a transmission part A (107) is installed on the outer peripheral face of the rotating shaft A (106) in a key mode, the transmission part A (107) is a gear, and the transmission part A (107) is located inside the chute (104) and meshed with the transmission part B (202);
the top end face of the wood-plastic section bar main body (1) is provided with a receiving groove (109) which is of a circular groove structure and is opposite to the transverse groove (105), and the axis part of the bottom surface of the inner end of the receiving groove (109) is provided with a threaded through hole (1010) communicated with the transverse groove (105); a head end block (302) with the same structural size as the accommodating groove (109) is inserted into the accommodating groove (109), a slot (304) is formed in the axis part of the top end face of the head end block (302), and the slot (304) is of a hexagonal structure; a round rod (301) is arranged at the axis part of the bottom end surface of the head end block (302), an external thread (303) is arranged on the peripheral surface of the round rod (301), and the external thread (303) is in threaded connection with the threaded through hole (1010);
the bottom end face of the round rod (301) is rotatably connected with the top end face of the transmission piece C (3) through a group of rotation auxiliary pieces D (305) serving as bearings, the transmission piece C (3) is a rack, and the transmission piece C (3) is meshed with the transmission piece A (107); when the top end face of the head end block (302) and the top end face of the wood-plastic section bar main body (1) are positioned at the same horizontal plane, the warning face (204) of the display piece (2) does not face the transparent piece (103).
2. The method for preparing the flame-retardant high-strength wood-plastic section bar according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
step one, preparing raw materials:
70-100 parts of PVC, 20-30 parts of calcium carbonate, 30-40 parts of bamboo/wood powder, 5-10 parts of ethylene-tetrafluoroethylene copolymer, 1-3 parts of 2, 4-dihydroxy benzophenone, 1-3 parts of peroxide-2-ethylhexyl tert-amyl carbonate, 3-5 parts of alkali-free glass fiber, 1-3 parts of 2- (2H-benzotriazole-2-yl) p-cresol, 1-2 parts of trinonyl phenyl phosphite, 1-3 parts of methacryloxypropyl trimethoxy silane, 1-2 parts of stabilizer, 3-5 parts of foaming regulator, 0.5-1 part of PE wax, 3-4 parts of OPE wax and 0.5-1 part of OB fluorescent whitening agent; 0.5 to 1 portion of phenyl ortho-hydroxybenzoate, 0.5 to 1 portion of stearic acid, 0.5 to 1 portion of AC foaming agent, 1.0 to 2 portions of magnesium hydroxide/aluminum oxide and 0.5 to 2 portions of pigment,
step two, mixing the raw materials:
sequentially adding the raw materials in the step one into a high-speed mixer for mixing at the mixing temperature of 100-110 ℃ for 20-30 min to obtain a mixture;
step three, granulation:
adding the mixture obtained in the step two into a granulator for granulation at the temperature of 140-160 ℃ to obtain granules;
step four, extrusion forming: adding the granules obtained in the third step into a wood-plastic profile extruder, enabling an extrusion forming die to be consistent with the structure of the wood-plastic profile main body (1), selecting extrusion forming protrusions corresponding to the current production year, month and date according to the current production date, arranging the extrusion forming protrusions in the extrusion forming die, enabling the extrusion forming protrusions to be matched with the date separation grooves (01), the date value identification grooves A (02) and the date value identification grooves B (03) in structure, and then extruding to obtain the formed flame-retardant high-strength wood-plastic profile main body (1);
step five, processing:
through the processing equipment, processing goes out chute (104), horizontal groove (105), accomodates groove (109), screw thread through-hole (1010), shaft hole (1011) and link up show opening (1012), again with transparent (103), pivot A (106), driving medium A (107), rotate auxiliary member A (108), rotate auxiliary member B (1013), rotate auxiliary member C (1014) and correspond the installation, then accomplish the matching installation of show piece (2) and driving medium C (3).
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| CN202111218685.3A CN113863777B (en) | 2021-10-20 | 2021-10-20 | Flame-retardant high-strength wood-plastic profile and preparation method thereof |
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| CN113863777A (en) | 2021-12-31 |
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