CN111271361A - Fastening screw for vulcanizing machine, preparation method of fastening screw and vulcanizing machine - Google Patents
Fastening screw for vulcanizing machine, preparation method of fastening screw and vulcanizing machine Download PDFInfo
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- CN111271361A CN111271361A CN202010209677.1A CN202010209677A CN111271361A CN 111271361 A CN111271361 A CN 111271361A CN 202010209677 A CN202010209677 A CN 202010209677A CN 111271361 A CN111271361 A CN 111271361A
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/002—Component parts, details or accessories; Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
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- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
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- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
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- B32B2262/10—Inorganic fibres
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Abstract
The invention discloses a fastening screw for a vulcanizing machine, a preparation method thereof and the vulcanizing machine, wherein at least one end of the fastening screw is provided with a thread, the fastening screw comprises an inner core, and the inner core is formed by carbon fiber filaments arranged along the axial direction of the fastening screw; the first carbon fiber layer is coated on the surface of the inner core; the inner core and the first carbon fiber layer are bonded by an adhesive. This fastening screw for vulcanizer has alleviateed self weight when guaranteeing compressive strength, has reduced the construction degree of difficulty for construction speed.
Description
Technical Field
The invention relates to the technical field of vulcanizing machine equipment, in particular to a fastening screw for a vulcanizing machine, a preparation method of the fastening screw and the vulcanizing machine.
Background
The conveyer belt joint vulcanizer is one of main devices required in the joint connection of the conveyer belt of a mine, and the body shadow of the conveyer belt joint vulcanizer can be seen in a plurality of operating places such as coal mines, steel and wharfs, so that the demand of people on the vulcanizer is large, and enterprises for producing the vulcanizer also have a lot. Currently, the vulcanizing machines on the market are mainly made of aluminum alloy materials, and a small number of vulcanizing machines are made of stainless steel or other metals.
However, although the existing vulcanizing machine meets the requirements on hardness and strength of the existing vulcanizing machine in the industrial process, most of the traditional vulcanizing machines are heavy and are not easy to disassemble and install, especially, the bolts for the traditional vulcanizing machines are large in size and large in mass, and need large external force to hold for assembly in the middle of actual operation, so that the difficulty of site construction is increased, the operation efficiency is reduced, and meanwhile, the equipment is overweight and has great potential safety hazards.
For example, in order to ensure the strength, a conventional aluminum alloy vulcanizer is usually very thick and massive, and multiple sets of vulcanizer equipment are usually required to be combined for use in the field construction process, so that dozens of aluminum beams, hundred and ten large bolts and other auxiliary accessories are required to be assembled, and the total weight of the finally obtained vulcanizer reaches about 15 tons. Due to the limited space of the construction site, most of the appliances cannot use mechanical hoisting equipment and can only be transported and installed by manpower, so that the labor intensity is very high, and the efficiency is very low.
Disclosure of Invention
Objects of the invention
The embodiment of the invention aims to provide a fastening screw for a vulcanizing machine, a preparation method thereof and the vulcanizing machine, so as to solve the problems that the existing vulcanizing machine is too high in equipment weight, large in specific gravity of bolts for the vulcanizing machine and not easy to assemble.
(II) technical scheme
In order to solve the above technical problem, a first aspect of embodiments of the present invention provides a fastening screw for a vulcanizing machine, at least one end of the fastening screw having a thread, the fastening screw including: the inner core 1 is formed by carbon fiber wires arranged along the axial direction of the fastening screw rod; the first carbon fiber layer 2 is coated on the surface of the inner core 1; the inner core 1 and the first carbon fiber layer 2 are bonded by an adhesive.
Further, the first carbon fiber layer 2 includes: a carbon fiber cloth layer and a carbon fiber yarn layer; the carbon fiber cloth layers and the carbon fiber silk layers of the first carbon fiber layer 2 are alternately wound on the surface of the inner core 1 layer by layer; the carbon fiber cloth layer and the carbon fiber yarn layer of the first carbon fiber layer 2 are bonded by an adhesive.
Further, the thickness of the first carbon fiber layer 2 is 1-2 MM; the layer number ratio of the carbon fiber cloth layer and the carbon fiber silk layer of each first carbon fiber layer 2 is 1: 3-5.
Further, the carbon fiber filament layer of the first carbon fiber layer 2 is composed of carbon fiber filaments arranged along the axial direction of the fastening screw and the circumferential direction thereof; the number ratio of the carbon fiber filaments arranged in the axial direction to the carbon fiber filaments arranged in the circumferential direction of each carbon fiber filament layer is 4-6: 1.
Further, the inner core 1 is composed of carbon fiber tows bonded by a binder.
Further, the diameter of the inner core 1 is 10-40 mm.
Further, the fastening screw further includes: the metal layer 3 is arranged on the surface of the first carbon fiber layer 2; at least one end of the fastening screw is provided with a metal layer 3; the surface of the metal layer 3 is provided with screw threads.
A second aspect of embodiments of the present invention provides a vulcanizer comprising: the fastening screw for any one of the above-mentioned vulcanizer.
Further, the vulcanizer still includes: a plurality of bearing beams 4; the material of the pressure-bearing beam 4 is carbon fiber, glass fiber or glass fiber reinforced plastic.
Further, the vulcanizer still includes: a plurality of heating plates 5; the heating plate 5 includes a clamping structure 51 made of carbon fiber.
The third aspect of the embodiments of the present invention provides a method for manufacturing a fastening screw for a vulcanizer, including: bonding the carbon fiber filaments into a columnar shape by using an adhesive to form an inner core 1; the carbon fiber cloth layer and the carbon fiber silk layer of the first carbon fiber layer 2 are alternately paved on the surface of the inner core 1 to obtain a pretreated workpiece meeting a certain thickness requirement; sleeving metal pipes at two ends of the pretreatment workpiece to obtain a pretreatment fastening screw; placing the preprocessed fastening screw in a mold, and performing vacuumizing treatment and heating curing treatment to obtain a rough-processed fastening screw; and finishing the rough machining fastening screw to obtain the fastening screw for the vulcanizing machine.
(III) advantageous effects
The technical scheme of the embodiment of the invention has the following beneficial technical effects:
according to the technical scheme, the weight of the fastening screw for the vulcanizing machine is reduced, so that the vulcanizing machine is convenient to transport and assemble, and the labor intensity is reduced.
Drawings
FIG. 1 is a schematic view of a fastening screw for a vulcanizer according to a first embodiment of the present invention;
FIG. 2 is a schematic axial structural view of a fastening screw according to an embodiment of the present invention;
FIG. 3 is a schematic view of a fastening screw for a vulcanizer according to a second embodiment of the present invention;
FIG. 4 is a schematic axial structural view of a fastening screw according to a second embodiment of the present invention;
FIG. 5 is a view showing a state of use of a fastening screw for a vulcanizer according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a pressure bearing beam in a vulcanizing machine according to a second aspect of the embodiment of the invention;
FIG. 7 is a schematic structural view of a heating plate in the vulcanizer provided by the second aspect of the embodiment of the present invention;
fig. 8 is an assembled schematic view of a vulcanizer provided in accordance with a second aspect of the embodiment of the present invention.
Reference numerals:
1-inner core, 2-first carbon fiber layer, 3-metal layer, 4-bearing beam, 41-inner film layer, 42-framework, 43-outer film layer, 5-heating plate, 51-clamping structure, 52-heating blanket, and 53-heat insulation pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The various regions, shapes, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and those skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as the actual requirements dictate.
It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
Example one
Referring to fig. 1 and 2, a fastening screw for a vulcanizing machine according to a first embodiment of the present invention has a thread at least at one end thereof, and includes: the inner core 1 is formed by carbon fiber wires arranged along the axial direction of the fastening screw rod; the first carbon fiber layer 2 is coated on the surface of the inner core 1; the inner core 1 and the first carbon fiber layer 2 are bonded by an adhesive. After the inner core 1 and the first carbon fiber layer 2 are wrapped, the inner core is placed into a mold for vacuumizing and heating curing treatment, and optionally, a fastening screw finished product is obtained and then machined, so that at least one end of the fastening screw forms a thread. In one embodiment, the binder is made of a resin-based material. In some embodiments, the adhesive is an adhesive resin, wherein the adhesive resin may be a resin-based resin, specifically designated as YG-04. In some embodiments, the binder resin may also be one or more of a phenolic resin, an epoxy resin, and a polyamino resin.
In a particular embodiment, the first carbon fibre layer 2 comprises: a carbon fiber cloth layer and a carbon fiber yarn layer; the carbon fiber cloth layers and the carbon fiber silk layers of the first carbon fiber layer 2 are alternately wound on the surface of the inner core 1 layer by layer; the carbon fiber cloth layer and the carbon fiber yarn layer of the first carbon fiber layer 2 are bonded by an adhesive. In the embodiment of the invention, the carbon fiber cloth of the first carbon fiber layer 2 can enable the fastening screw to sufficiently meet the strength requirement of the vulcanizing machine, and the carbon fiber layers of the first carbon fiber layer 2 are arranged between the carbon fiber cloth layers of the first carbon fiber layer 2 at intervals, so that the axial direction of the fastening screw can meet the tensile force requirement of the terminal bolt A of the vulcanizing machine.
In a particular embodiment, the thickness of the first carbon fibre layer 2 is 1-2 MM; the layer number ratio of the carbon fiber cloth layer and the carbon fiber silk layer of each first carbon fiber layer 2 is 1: 3-5. Optionally, the specific gravity of the carbon fiber cloth of each first carbon fiber layer 2 is 1.5-2.0g/cm3The specific gravity of the carbon fiber yarns after each first carbon fiber layer 2 is laid is 1.3-1.9g/cm3. In one embodiment, the specific gravity of the carbon fiber cloth of each first carbon fiber layer 2 is 1.8g/cm3The thickness is 0.25mm, and the specific gravity of the carbon fiber filaments of each first carbon fiber layer 2 is 1.6g/cm3. In a specific embodiment, the surface of the inner core 1 is coated with one or more layers of carbon fiber cloth after being coated with an adhesive, optionally, the surface of the carbon fiber cloth is coated with the adhesive, when the thickness of the carbon fiber cloth layer reaches a target specification, carbon fiber wires are wound on the surface of the carbon fiber cloth layer, in one embodiment, the carbon fiber wires and the adhesive are alternately coated, and when the thickness of the carbon fiber wire layer reaches the target specification, the carbon fiber cloth and the carbon fiber wires are wound in turn again until the diameter requirement of the fastening screw is reached. In a specific embodiment, the ratio of the number of layers of the carbon fiber cloth to the number of layers of the carbon fiber filaments in one first carbon fiber layer 2 is 1:3 or 1:5, and preferably, the layers of the carbon fiber cloth layer and the carbon fiber filament layerThe number ratio is 1: 4.
In a preferred embodiment, the carbon fiber filament layer of the first carbon fiber layer 2 is composed of carbon fiber filaments arranged in the axial direction and the circumferential direction of the fastening screw; the number ratio of the carbon fiber filaments arranged axially to the carbon fiber filaments arranged circumferentially is 4-6: 1. Specifically, the number ratio of the axial carbon fiber filaments to the circumferential carbon fiber filaments is: 4.9:1, 5:1, 5.1:1 or 6:1, and preferably, the number ratio of the monofilaments of the axial carbon fiber filaments to the monofilaments of the circumferential carbon fiber filaments is 5: 1. In a specific embodiment, the carbon fiber filaments are uniformly wound for a circle along the circumferential direction of the fastening screw, the adhesive is coated, then a layer of vertical carbon fiber filaments are laid along the axial direction of the fastening screw, and if the thickness does not meet the requirement, the carbon fiber filaments are continuously and alternately laid along the circumferential direction and the axial direction of the fastening screw respectively until the thickness requirement is met. In another alternative embodiment, the carbon fiber filament layer of the first carbon fiber layer 2 is woven by means of a needle threading manner, specifically, carbon fiber filaments distributed along the axial direction and the circumferential direction of the fastening screw are mutually crossed and laid, so that the carbon fiber filament layer is in a net shape, and the tensile capacity of the fastening screw in the axial direction is enhanced.
In a particular embodiment, the inner core 1 is composed of carbon fiber tows bonded by a binder. In one embodiment, the plurality of carbon fiber tows are coated with an adhesive and bonded to form the inner core 1 after forming a column of a certain diameter before subsequent operations.
In a preferred embodiment, the diameter of the inner core 1 is 10-40mm, in a particular embodiment the diameter of the inner core 1 is 36 mm. According to the specification of the vulcanizing machine, the size of a fastening screw for the vulcanizing machine and the corresponding size of the inner core 1 are selected.
Example two
Referring to fig. 3 and 4, the fastening screw according to the second embodiment of the present invention further includes: the metal layer 3 is arranged on the surface of the first carbon fiber layer 2; at least one end of the fastening screw is provided with a metal layer 3; the surface of the metal layer 3 is provided with screw threads. In an optional embodiment, the metal layer 3 is an inner-core outer-thread metal tube sleeved on the outer surface of the first carbon fiber layer 2, a contact surface of the metal tube and the first carbon fiber layer 2 is coated with an adhesive, after the metal tube is sleeved, the fastening screw is placed into a mold to be heated and cured, and the metal tube is fixedly bonded on the surface of the first carbon fiber layer 2 through curing of the adhesive.
Referring to fig. 5, an embodiment of the present invention provides a use method of a fastening screw, in an alternative embodiment, a nut is fixedly connected to one end of the fastening screw, and the other end of the fastening screw is connected to the nut through a thread, so as to form a terminal bolt a for a vulcanizing machine; in another alternative embodiment, both ends of the fastening screw are provided with threads, and the fastening members at both ends, such as nuts, are connected with the fastening screw through the threads, and also form the terminal bolt A for the vulcanizing machine. In this embodiment, the terminal bolt a for a vulcanizer further includes a washer provided on the fastening screw; the anti-slip nut is arranged at least one end of the fastening screw rod and used for preventing the nut from slipping.
Referring to fig. 8, a second aspect of the embodiment of the present invention provides a vulcanizer, comprising: the fastening screw for any one of the above-mentioned vulcanizer.
Referring to fig. 6, in the present embodiment, the vulcanizer further includes: a plurality of bearing beams 4; the material of the pressure-bearing beam 4 is carbon fiber, glass fiber or glass fiber reinforced plastic. In a specific embodiment, a cross section perpendicular to the length direction of the pressure bearing beam 4 sequentially comprises an inner membrane layer 41, a framework 42 and an outer membrane layer 43 from inside to outside, wherein the inner membrane layer 41 and the outer membrane layer 43 are formed by stacking carbon fiber cloth and adhesive resin, and the thickness of the inner membrane layer 41 and the thickness of the outer membrane layer 43 are between 2 and 7 mm; wherein the thickness of the framework 42 is 1-2 mm. The thickness range can ensure strength and simultaneously make the weight lighter. Optionally, the outer layer of the framework 42 is also provided with fiber yarns in a transversely and longitudinally staggered manner.
Referring to fig. 7, in the present embodiment, the vulcanizer further includes: a plurality of heating plates 5; the heating plate 5 includes a clamping structure 51 made of carbon fiber. The clamping structure 51 is made of carbon fiber, so that the weight of the heating plate 5 can be effectively reduced under the condition that the strength and the performance of the heating plate 5 are ensured. The holding structure 51 is plural.
In an embodiment, the pressure beam 4 comprises: the first wing plate, the second wing plate, the first web plate and the second web plate; the first web and the second web are arranged between the first wing plate and the second wing plate; the both ends of first pterygoid lamina and second pterygoid lamina length direction all are provided with the opening of looks adaptation, and the opening is used for installing the fastening screw for the vulcanizer. Optionally, reinforcing ribs are arranged on the opposite sides of the first web plate and the second web plate. Optionally, the reinforcing ribs are arranged parallel to the length direction of the first web and/or the second web.
In one embodiment, a first mounting hole matched with the first wing plate is formed in the middle position of the first wing plate and the second wing plate. In one embodiment, the first wing plate and the second wing plate are provided with second mounting holes near both ends in the longitudinal direction.
In one embodiment, the first and second wing plates are identical in shape and are arranged in parallel. In one embodiment, the first and second webs are arranged in parallel. The first wing plate and the second wing plate are arranged in parallel, and the first wing plate, the second wing plate, the first web plate and the second web plate form a hollow rectangular structure.
In an embodiment, the material of the first wing panel, the second wing panel, the first web and the second web is carbon fiber, glass fiber or glass fiber reinforced plastic. Compared with metal materials, the material has lighter specific gravity and does not change much in strength, and the glass fiber or the glass fiber reinforced plastic has high elasticity and high modulus. Preferably, the material is carbon fiber or carbon fiber cloth, and the material has the advantages of high strength, light weight and strong functionality.
In another embodiment, a heating plate 5 is placed between the pressure-bearing beams 4, and the heating plate 5 is used for heating the vulcanizing machine; the fastening screw is used for fastening the bearing beam 4.
In another embodiment, the heating plate 5 includes: a clamping structure 51, a heating blanket 52, and a thermal insulation mat 53; the heat insulation pad 53 is attached to one side of the heating blanket 52; a heating blanket 52 and a thermal insulation mat 53 are disposed in the receiving space of each holding structure 51. The holding structure 51 is a plurality of, specifically, the household pool structure is two arranged up and down correspondingly.
In another embodiment, the clamping structure 51 comprises: a base plate; the cover plate is matched with the bottom plate, the cover plate is buckled with the bottom plate, and an accommodating space is formed inside the cover plate; the bottom plate and the cover plate are made of carbon fiber materials. The bottom plate and the cover plate made of carbon fibers can effectively reduce the weight of the clamping structure 51 under the condition of ensuring the strength and the performance of the clamping structure 51.
In another embodiment, the base plate and the cover plate have a thickness of 5-15 mm. The cover plate is matched with the bottom plate. The larger the specification and the model of the conveyor belt vulcanizing machine are, the higher the required strength is, and the thickness of the bottom plate and the cover plate can be properly increased.
In another embodiment, the base plate and the cover plate comprise a plurality of second carbon fiber layers arranged one above the other; the second carbon fiber layer comprises a carbon fiber cloth layer and a carbon fiber silk layer; the carbon fiber cloth layers and the carbon fiber silk layers of the second carbon fiber layer are alternately stacked; the thickness of the second carbon fiber layer is 1-2 MM. The second carbon fiber layer may be suitably arranged according to the strength requirements of the base plate and the cover plate. In some embodiments, an adhesive is included for bonding adjacent second carbon fiber layers to make the second carbon fiber layers more firmly bonded. In some embodiments, the adhesive is an adhesive resin, wherein the adhesive resin may be a resin-based resin, specifically designated as YG-04. In some embodiments, the binder resin may also be one or more of a phenolic resin, an epoxy resin, and a polyamino resin.
In another embodiment, the ratio of the mass ratio of the carbon fiber cloth layer to the carbon fiber filament layer of the second carbon fiber layer is 5: 1.
in another embodiment, the second carbon-carbon fiber filament layer comprises carbon fiber filaments; the carbon fiber yarns are transversely and longitudinally distributed in a crossed manner; wherein the mass ratio of the longitudinal carbon fiber filaments to the transverse carbon fiber filaments is 3-7: 1.
In the embodiment of the present application, the clamping structure 51 includes a bottom plate and a cover plate, and the thickness of the bottom plate and the cover plate may be 3-6 mm. The base plate has a groove or a recess, the cover plate is adapted to the base plate, or has a corresponding groove or recess, the cover plate and the base plate are fastened to form a clamping structure 51, and an accommodating space is formed inside the clamping structure for accommodating the heating member. The cover plate and the bottom plate are made of carbon fiber. Specifically, bottom plate and apron include the second carbon fiber layer of a plurality of superpositions settings, and when the thickness of second carbon fiber layer was 1mm, superpose layer second carbon fiber layer promptly. The second plurality of carbon fiber layers are attached by an adhesive, specifically a bonding resin of type number YG-04.
The second carbon fiber layer comprises a carbon fiber cloth layer and a carbon fiber layer, the carbon fiber cloth layer and the carbon fiber layer of the second carbon fiber layer are alternately stacked, namely one carbon fiber cloth layer is stacked with one carbon fiber layer, the other carbon fiber cloth layer is stacked on the carbon fiber layer until the preset thickness is reached, and the mass ratio of the carbon fiber cloth layer to the carbon fiber layer of the second carbon fiber layer can be 4: 1.
The carbon fiber wire layer comprises carbon fiber wires which are transversely and longitudinally distributed in a crossed manner. The longitudinal carbon fiber filaments are stressed greatly, so the using amount is larger, and the mass ratio of the longitudinal carbon fiber filaments to the transverse carbon fiber filaments can be 5: 1.
In some embodiments, the materials for the components of the vulcanizer may also be fiberglass or glass reinforced plastic. The components include, but are not limited to, the clamping structure 51, the heating plate 5, the pressure beam 4 and the terminal bolt a in the above-described embodiment.
The third aspect of the embodiments of the present invention provides a method for manufacturing a fastening screw for a vulcanizer, including: bonding the carbon fiber filaments into a columnar shape by using an adhesive to form an inner core 1; the carbon fiber cloth and the carbon fiber yarns of the first carbon fiber layer 2 are alternately paved on the surface of the inner core 1 to obtain a pretreated workpiece meeting a certain thickness requirement; sleeving metal pipes at two ends of the pretreatment workpiece to obtain a pretreatment fastening screw; placing the preprocessed fastening screw in a mold, and performing vacuumizing treatment and heating curing treatment to obtain a rough-processed fastening screw; and finishing the rough machining fastening screw to obtain the fastening screw for the vulcanizing machine.
In particular embodiments, the finishing process includes preparing threads on the exterior surface of the metal tube, as well as removing excess resin flash from the finished fastening screw, applying protective coatings, and the like. And assembling the finished product of the fastening screw for the vulcanizing machine to obtain the terminal bolt A for the vulcanizing machine. And further, quality detection is carried out on the terminal bolt A for the vulcanizing machine, and specifically, about 40KN of pulling force is applied to the terminal bolt A for the vulcanizing machine, so that the terminal bolt A for the vulcanizing machine with high-quality load standard is screened out.
The technical scheme of the invention enables the vulcanizing machine to realize the advantages of light specific gravity, high tensile strength, corrosion resistance, long service life and the like, greatly improves the construction efficiency, reduces the operation difficulty while meeting the service performance requirement of the vulcanizing machine, and practically solves the problems of high labor intensity, difficult transportation, low safety coefficient and the like of the existing manpower; make simultaneously for vulcanizer fastening screw's assembly more convenient, reduce the operation degree of difficulty.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (11)
1. A fastening screw for a vulcanizing machine, at least one end of the fastening screw having a thread, characterized by comprising:
the inner core (1), the said inner core (1) is formed by the carbon fiber filament arranged along axial of the said fastening screw;
the first carbon fiber layer (2), the first carbon fiber layer (2) is coated on the surface of the inner core (1);
the inner core (1) and the first carbon fiber layer (2) are bonded by an adhesive.
2. The fastening screw for a vulcanizer according to claim 1,
the first carbon fiber layer (2) includes: a carbon fiber cloth layer and a carbon fiber yarn layer;
the carbon fiber cloth layers and the carbon fiber wire layers of the first carbon fiber layer (2) are alternately wound on the surface of the inner core (1) layer by layer;
the carbon fiber cloth layer and the carbon fiber silk layer of the first carbon fiber layer (2) are bonded through an adhesive.
3. The fastening screw for a vulcanizer according to claim 2,
the thickness of the first carbon fiber layer (2) is 1-2 MM;
the layer number ratio of the carbon fiber cloth layer to the carbon fiber silk layer of each first carbon fiber layer (2) is 1: 3-5.
4. The fastening screw for a vulcanizer according to claim 2,
the carbon fiber wire layer of the first carbon fiber layer (2) is formed by carbon fiber wires arranged along the axial direction and the circumferential direction of the fastening screw;
the number ratio of the carbon fiber filaments arranged in the axial direction to the carbon fiber filaments arranged in the circumferential direction of each carbon fiber filament layer is 4-6: 1.
5. The fastening screw for a vulcanizer according to claim 1,
the inner core (1) is made of carbon fiber tows bonded by an adhesive.
6. The fastening screw for a vulcanizer according to claim 1,
the diameter of the inner core (1) is 10-40 mm.
7. A fastening screw for a vulcanizer according to claim 1, further comprising:
the metal layer (3), the said metal layer (3) locates the surface of the said first carbon fiber layer (2);
at least one end of the fastening screw is provided with the metal layer (3);
the surface of the metal layer (3) is provided with the threads.
8. A vulcanizer characterized by comprising:
a fastening screw for a vulcanizer as set forth in any one of claims 1 to 7.
9. The vulcanizer of claim 8, further comprising:
a plurality of bearing beams (4);
the bearing beam (4) is made of carbon fiber, glass fiber or glass fiber reinforced plastic.
10. The vulcanizer of claim 8, further comprising:
a plurality of heating plates (5);
the heating plate (5) comprises a clamping structure (51) made of carbon fiber.
11. A preparation method of a fastening screw for a vulcanizing machine is characterized by comprising the following steps:
bonding carbon fiber filaments into a columnar shape by using an adhesive to form an inner core (1);
the carbon fiber cloth layer and the carbon fiber wire layer of the first carbon fiber layer (2) are paved on the surface of the inner core (1) in turn to obtain a pretreated workpiece meeting a certain thickness requirement;
sleeving metal pipes at two ends of the pretreatment workpiece to obtain a pretreatment fastening screw rod;
placing the pretreated fastening screw rod in a mold, and performing vacuumizing treatment and heating curing treatment to obtain a rough-machined fastening screw rod;
and finishing the rough machining fastening screw rod to obtain the fastening screw rod for the vulcanizing machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010209677.1A CN111271361A (en) | 2020-03-23 | 2020-03-23 | Fastening screw for vulcanizing machine, preparation method of fastening screw and vulcanizing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010209677.1A CN111271361A (en) | 2020-03-23 | 2020-03-23 | Fastening screw for vulcanizing machine, preparation method of fastening screw and vulcanizing machine |
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| CN111271361A true CN111271361A (en) | 2020-06-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956061A (en) * | 2021-11-12 | 2022-01-21 | 中国航空制造技术研究院 | Preparation method of continuous fiber reinforced ceramic matrix composite screw |
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