阅读说明：本技术 一种滑雪板以及滑雪板制造方法 (Skis and skis manufacturing method ) 是由 刘奉喜 李雨健 于 2021-07-02 设计创作，主要内容包括：本申请涉及一种滑雪板以及滑雪板制造方法,一种滑雪板,其包括板芯、设置在板芯两侧的纤维层设置在纤维层上侧的面层和设置在纤维层下侧对的底层,纤维层包括玻璃纤维,玻璃纤维粘接在板芯的两侧；纤维层还包括粘接在玻璃纤维与板芯之间的毛毡状玻璃纤维；玻璃纤维通过毛毡状玻璃纤维与板芯进行粘接,毛毡状玻璃纤维的表面粗糙度更高,且粘接能力更强,不仅可以有利于纤维层与板芯之间的粘合,增强粘接稳定性。本申请具有结构稳定、韧性强和提高物理性能的效果。(The application relates to a snowboard and a manufacturing method thereof, the snowboard comprises a board core, fiber layers arranged at two sides of the board core, a surface layer arranged at the upper side of the fiber layers and a bottom layer arranged at the lower side of the fiber layers, wherein the fiber layers comprise glass fibers, and the glass fibers are bonded at two sides of the board core; the fiber layer also comprises felt-shaped glass fibers which are bonded between the glass fibers and the plate core; the glass fiber is bonded with the plate core through the felt-shaped glass fiber, the surface roughness of the felt-shaped glass fiber is higher, the bonding capability is stronger, the bonding between the fiber layer and the plate core can be facilitated, and the bonding stability is enhanced. The application has the effects of stable structure, strong toughness and improved physical properties.)

1. The utility model provides a snowboard, includes board core (1), sets up surface course (3) and setting bottom (4) right at fibre layer (2) downside that set up at fibre layer (2) upside at fibre layer (2) of board core (1) both sides, and fibre layer (2) include glass fiber (21), and glass fiber (21) bond in the both sides of board core (1), its characterized in that: the fiber layer (2) also comprises felt-shaped glass fibers (22) which are bonded between the glass fibers (21) and the plate core (1).

2. A ski as claimed in claim 1, in which: the glass fiber (21), the felt-shaped glass fiber (22) and the plate core (1) are all bonded through epoxy resin curing.

3. A ski as claimed in claim 1, in which: the composite board further comprises reinforcing members (5) clamped at the fiber layer (2) and the two side edges of the board core (1).

4. A ski as claimed in claim 3, in which: be provided with on core (1) and be used for offering to reinforcement (5) mounting groove (11), leave the space difference of glass fiber (21) and felt-like glass fiber (22) thickness between mounting groove (11) and reinforcement (5).

5. A snowboard manufacturing process for manufacturing a snowboard as claimed in any one of claims 1 to 4, characterised in that: the method comprises the following steps:

s1: polishing the plate, namely polishing the plate core (1), the surface layer (3) and the bottom layer (4) to a specified thickness and width according to the drawing size;

s2: preparing materials, namely preparing glass fibers (21), felt-shaped glass fibers (22) and epoxy resin, trimming the glass fibers (21) and the felt-shaped glass fibers (22) into a size matched with the plate core (1), and weighing the epoxy resin and the glass fibers (21) to ensure that the weight ratio of the epoxy resin to the glass fibers (21) is 13: 7;

s3: after the glass fiber (21) raw material is spread flatly, epoxy resin is evenly coated on the glass fiber (21), and then felt-shaped glass fiber (22) is covered on the glass fiber (21) which is evenly coated;

s4: curing the fiber layer (2), putting the glass fiber (21) and the felt-like glass fiber (22) into a hot press for curing, and extruding 20wt% of epoxy resin in the extrusion process;

s5: and (3) compression molding, namely uniformly coating epoxy resin among the board core (1), the fiber layer (2), the surface layer (3) and the bottom layer (4), putting the uniformly coated epoxy resin into a hot press for extrusion, curing the epoxy resin, and molding the ski.

6. A ski manufacturing method, as claimed in claim 5, characterised in that: in the step S4, when the hot press fixes the glass fiber (21), the felt-like glass fiber (22), and the epoxy resin, the temperature of the hot press is adjusted to 70 ℃, and the hot press is extruded and cured for 15 to 20 minutes.

7. A ski manufacturing method, as claimed in claim 5, characterised in that: in the step S5, when the hot press fixes each layer of the ski material, the temperature of the hot press is adjusted to 70 ℃, and the ski material is extruded and cured for 20-25 minutes.

8. A ski manufacturing method, as claimed in claim 5, characterised in that: in the step S5, after the epoxy resin is applied between the board core (1) and the two fiber layers (2), the reinforcing member (5) is clamped between the board core (1) and the edges of the fiber layers (2) on both sides.

9. A snowboard manufacturing method as claimed in claim 8, wherein: in the step S4, when the fiber layer (2) is cured, the corresponding position of the fiber layer (2) and the mounting groove (11) is processed into a groove shape adapted to the mounting groove (11).

10. A ski manufacturing method, as claimed in claim 5, characterised in that: further comprising step S6: polishing the edge of the snowboard, and performing water grinding on the bottom of the snowboard by using a water grinder; cleaning, drying, waxing and cleaning the snowboard in sequence, packaging and sealing the snowboard, and performing thermal shrinkage on the sealed snowboard.

Technical Field

The present application relates to the field of snowboards, and more particularly, to a snowboard and a method of manufacturing a snowboard.

Background

The snowboard is an important sports apparatus in winter snowfield sports. The traditional snowboard is made of thin wood boards which are tilted front and back, and the strength, the effect and the service life are not ideal.

The skis used in modern sports competitions are generally made by covering a wood core plate with a glass fiber layer, are light and durable, have strength far higher than that of the traditional skis, can provide high controllability for athletes, and can enable the athletes to realize a plurality of actions which are difficult to realize in the past. The snowboard comprises a board core, glass fiber layers bonded on two sides of the board core, and a surface layer and a bottom layer which are wrapped on the outermost side of the snowboard.

However, after a long period of use, the inventor found that the fiberglass layers covering both sides of the core are easily turned up because the edge of the snowboard is often subjected to impact force during skiing.

Disclosure of Invention

In order to make the bonding between the glass fiber layers on the two sides of the board core and the board core more firm, the application provides a snowboard and a manufacturing method of the snowboard.

In a first aspect, the present application provides a snowboard, which adopts the following technical scheme:

a snowboard comprises a board core, surface layers arranged on the upper sides of fiber layers arranged on two sides of the board core, and bottom layers arranged on the lower sides of the fiber layers, wherein the fiber layers comprise glass fibers which are bonded on two sides of the board core; the fiber layer also includes felt-like glass fibers bonded between the glass fibers and the core.

By adopting the technical scheme, the glass fiber is bonded with the plate core through the felt-shaped glass fiber, the felt-shaped glass fiber has higher surface roughness and stronger bonding capability, and not only can the bonding between the fiber layer and the plate core be facilitated, but also the bonding stability is enhanced; the firmness of the fiber layer can be further improved, so that the physical performance of the snowboard is enhanced, the toughness of the snowboard is greatly improved, and the snowboard provides stronger elasticity for the sportsman and is not easy to break brittle when the sportsman performs jumping, landing, twisting and other actions in the skiing movement;

optionally, the glass fiber, the felt-like glass fiber and the plate core are bonded together by epoxy resin curing.

By adopting the technical scheme, the epoxy resin has excellent physical mechanical and electrical insulation performance and bonding performance with various materials, and can bond glass fibers, felt-shaped glass fibers and board cores more firmly.

Optionally, the composite board further comprises reinforcing members clamped at the two side edges of the fiber layers and the board core.

Through adopting above-mentioned technical scheme, through the centre gripping of reinforcement, make the fibre layer receive the physics restriction, the difficult perk of border department that makes fibre layer and core-board be connected.

Optionally, be provided with the mounting groove that is used for stepping down the reinforcement on the board core, leave the space difference of glass fiber and felt-like glass fiber thickness between mounting groove and the reinforcement.

By adopting the technical scheme, the reinforcing member is not easy to deviate in the horizontal direction through the matching between the reinforcing member and the mounting groove, so that the mounting of the reinforcing member is more stable; the reinforcing member can be arranged to protrude out of the fiber layer, so that firm bonding can be performed easily when the surface layer and the bottom layer are bonded subsequently, and the surface of the pressed snowboard is not prone to protruding and is smoother.

In a second aspect, the present application provides a snowboard manufacturing method, which adopts the following technical scheme:

a snowboard manufacturing method comprising the steps of:

s1: polishing the plate, namely polishing the plate core, the surface layer and the bottom layer to the specified thickness and width according to the drawing size;

s: preparing materials, namely preparing glass fibers, felt-shaped glass fibers and epoxy resin, maintaining and cutting the glass fibers and the felt-shaped glass fibers into sizes matched with the plate core, and weighing the epoxy resin and the glass fibers to ensure that the weight ratio of the epoxy resin to the glass fibers is 13: 7;

s3: after paving glass fiber raw materials, uniformly coating epoxy resin on the glass fibers, and then covering felt-shaped glass fibers on the uniformly coated glass fibers;

s: curing the fiber layer, namely putting the glass fiber and the felt-shaped glass fiber into a hot press for curing, and extruding 20wt% of epoxy resin in the extrusion process;

s5: and (3) pressing and molding, namely uniformly coating epoxy resin among the board core, the fiber layer, the surface layer and the bottom layer, putting the uniformly coated epoxy resin into a hot press for extrusion, curing the epoxy resin, and molding the ski.

By adopting the technical scheme, the working personnel firstly need to prepare the epoxy resin independently, and the epoxy resin is fully cured by mixing the glass fiber, the felt-shaped glass fiber and the epoxy resin and then hot-pressing the mixture by a hot-pressing machine to form a plate with toughness; the formed fiber layer is bonded with the plate core from one side of the felt-shaped glass fiber, so that the bonding is firmer; after the upper fiber layer is prepared, each layer of material is pressed and molded, and the fiber layer is fully cured, so that the situation that epoxy resin is extruded in the hot pressing process cannot occur, and the overall physical performance of the snowboard is improved.

Optionally, in step S4, when the hot press fixes the glass fibers, the felt-like glass fibers, and the epoxy resin, the temperature of the hot press is adjusted to 70 ℃, and the glass fibers, the felt-like glass fibers, and the epoxy resin are extruded and cured for 15 to 20 minutes.

By adopting the technical scheme, the epoxy resin and the glass fiber are fully mixed and cured under the pressing of 15-20 minutes, so that the molding of the fiber layer is ensured; because the both ends of skis are the radian, set up hot press temperature for 70 degrees centigrade, make the section bar take place deformation more easily, improved hot pressing efficiency.

Optionally, in step S5, when the hot press fixes each layer of the ski material, the temperature of the hot press is adjusted to 70 ℃, and the ski material is pressed and fixed for 20-25 minutes.

By adopting the technical scheme, each layer of the snowboard is fully mixed and solidified under the pressing of the hot press at 70 ℃ for 20-25 minutes, so that the efficiency of the snowboard in solidification and molding is higher.

Alternatively, in step S5, after applying epoxy resin between the core and the two fiber layers, the reinforcing member is clamped between the core and the fiber layers at the edges of the two sides.

By adopting the technical scheme, the fiber layer is physically limited by clamping the reinforcing piece, so that the edge of the connection between the fiber layer and the plate core is not easy to tilt; arranging the reinforcing members on one sides of the surface layer and the bottom layer close to the plate core, so that the reinforcing members are not easy to separate; and the reinforcing member is cured together, so that the mounting of the reinforcing member is firmer, and the structural stability of the snowboard is further improved.

Optionally, in step S4, when the fiber layer is cured, the position of the fiber layer corresponding to the position of the mounting groove is processed into a groove shape adapted to the mounting groove.

Through adopting above-mentioned technical scheme, through processing out the fibrous layer with the structure of mounting groove adaptation, make the reinforcement when with the fibrous layer centre gripping in core both sides, the position corresponds more easily, and can also make the cooperation between reinforcement and the mounting groove better.

Optionally, the method further includes step S6: polishing the edge of the snowboard, and performing water grinding on the bottom of the snowboard by using a water grinder; cleaning, drying, waxing and cleaning the snowboard in sequence, packaging and sealing the snowboard, and performing thermal shrinkage on the sealed snowboard.

By adopting the technical scheme, after the skis are taken out of the die, the glue solution and the excess material remained in the die need to be cleaned so as to avoid influencing the hot press molding of the rest skis, and the bottoms of the skis are polished, so that the bottoms of the skis are smoother, and the friction force between the skis and the snow surface when the skis are used is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the glass fiber is bonded with the plate core through the felt-shaped glass fiber, the felt-shaped glass fiber has higher surface roughness and stronger bonding capability, and not only can the bonding between the fiber layer and the plate core be facilitated, but also the bonding stability is enhanced;

2. through setting up the reinforcement, make the fibre layer receive physical limitation, make the difficult perk of border department that fibre layer and core-board are connected.

Drawings

FIG. 1 is a perspective view of a snowboard;

figure 2 is an exploded perspective view of the snowboard.

Description of reference numerals: 1. a board core; 11. mounting grooves; 2. a fibrous layer; 21. glass fibers; 22. felt-like glass fibers; 3. a surface layer; 4. a bottom layer; 5. a reinforcement.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a snowboard.

Referring to fig. 1 and 2, the snowboard includes a core 1 as a main structure, a fiber layer 2 for improving toughness of the snowboard, a face layer 3 and a back layer 4 on both sides of the snowboard, and a reinforcing member 5 for improving bonding stability of the fiber layer 2; the fiber layers 2 are symmetrically arranged on two sides of the board core 1, the surface layer 3 is arranged on the upper side of the fiber layers 2, and the bottom layer 4 is arranged on the lower side of the fiber layers 2; the board core 1, the fiber layer 2, the surface layer 3 and the bottom layer 4 are bonded through epoxy resin curing.

The fiber layer 2 comprises glass fibers 21 for improving the toughness of the snowboard and felt-like glass fibers 22 for improving the bonding firmness of the fiber layer 2, the felt-like glass fibers 22 are arranged on one side close to the board core 1, and the glass fibers 21 and the felt-like glass fibers 22 are bonded through epoxy resin curing.

The glass fiber 21 is bonded with the plate core 1 through the felt-shaped glass fiber 22, the felt-shaped glass fiber 22 has higher surface roughness and stronger bonding capability, and not only can the bonding between the fiber layer 2 and the plate core 1 be facilitated, but also the bonding stability is enhanced; the firmness of the fibre layer 2 can be further increased, so that the toughness of the snowboard is further increased.

In order to further improve the connection stability between the fiber layer 2 and the plate core 1, the reinforcing members 5 are clamped at the edges of the fiber layer 2 and the plate core 1, and four groups of the reinforcing members 5 are arranged; the two ends of the snowboard are in a tilting shape, and the holding positions of the reinforcing pieces 5 are positioned at the two side edges of the horizontal part of the snowboard close to the bending part.

The reinforcing member 5 is in a C-shaped structure, and the thickness of the middle of the reinforcing member 5 is matched with the sum of the thicknesses of the plate core 1 and the fiber layers 2 at two sides. Through the centre gripping of reinforcement 5, make fibre layer 2 receive physical restriction, make fibre layer 2 and the difficult perk of border department that the board core 1 is connected.

In order to make the installation of the reinforcing member 5 more stable, a mounting groove 11 for yielding the reinforcing member 5 is arranged on the plate core 1 corresponding to the position of the reinforcing member 5, the size of the mounting groove 11 is slightly larger than the size of a clamping part of the reinforcing member 5, a space difference consistent with the thickness of the fiber layer 2 is reserved between the mounting groove 11 and the reinforcing member 5, and the reinforcing member 5 can press the corresponding position of the fiber layer 2 into the mounting groove 11.

Through the matching between the reinforcing member 5 and the mounting groove 11, the reinforcing member 5 is not easy to deviate in the horizontal direction, so that the mounting of the reinforcing member 5 is more stable; the reinforcing member 5 is not easy to protrude out of the fiber layer 2 after being installed, firm bonding can be easily carried out when the surface layer 3 and the bottom layer 4 are bonded subsequently, and the surface of the pressed snowboard is not easy to protrude and is smoother.

The implementation principle of the snowboard in the embodiment of the application is as follows: the glass fiber 21 is bonded with the plate core 1 through the felt-shaped glass fiber 22, the felt-shaped glass fiber 22 has higher surface roughness and stronger bonding capability, and not only can the bonding between the fiber layer 2 and the plate core 1 be facilitated, but also the bonding stability is enhanced; the firmness of the fibre layer 2 can be further increased, so that the toughness of the snowboard is further increased.

The embodiment of the application discloses a manufacturing method of a snowboard.

Referring to fig. 1, the snowboard manufacturing method includes the steps of:

s1: polishing the plate, namely polishing the plate core 1, the surface layer 3 and the bottom layer 4 to a specified thickness and width according to the drawing size, and then engraving and copying the bottom plate, the plate core and the panel according to the drawing size; the bonding surfaces of the bottom plate, the plate core and the panel are processed more smoothly, so that the subsequent bonding is facilitated;

s2: preparing materials, namely preparing glass fibers 21, felt-shaped glass fibers 22 and epoxy resin, wherein the glass fibers 21 adopt a weaving method to form two shafts, and the gram weight of the glass fibers is not less than 600 g/square meter;

because the glass fiber 21 and the epoxy resin jointly form part of the fiber layer 2 of the snowboard, if the number of the adopted glass fiber 21 axes is more, the whole weight of the snowboard is influenced, the operating performance of the snowboard is reduced, and if the number of the adopted axes of the glass fiber 21 is less, the toughness of the snowboard is influenced, so the glass fiber 21 with two axes is more suitable;

trimming the glass fiber 21 and the felt-like glass fiber 22 into a size matched with the plate core 1, and weighing the epoxy resin and the glass fiber 21 to ensure that the weight ratio of the epoxy resin to the glass fiber 21 is 13: 7;

s3: paving the raw material of the glass fiber 21 on a working platform, uniformly coating epoxy resin on the glass fiber 21, and covering the uniformly coated glass fiber 21 with felt-shaped glass fiber 22;

the glass fiber 21 is bonded with the plate core 1 through the felt-shaped glass fiber 22, the felt-shaped glass fiber 22 has higher surface roughness and stronger bonding capability, and not only can the bonding between the fiber layer 2 and the plate core 1 be facilitated, but also the bonding stability is enhanced; the firmness of the fiber layer 2 can be further improved, so that the toughness of the snowboard is further improved;

s4: curing the fiber layer 2, putting the glass fiber 21 coated with the epoxy resin and the felt-shaped glass fiber 22 into a hot press, adjusting the temperature of the hot press to 70 ℃, and extruding the material in the die; processing the corresponding position of the fiber layer 2 and the mounting groove 11 into a groove shape matched with the mounting groove 11 through a die during extrusion;

in order to ensure the extrusion thickness, the redundant epoxy resin can be extruded out from the gap of the die, the extrusion process is kept for extrusion, the extrusion is kept for 20-25 minutes, the epoxy resin is fully cured, and 20wt% of epoxy resin is extruded out in the extrusion process;

taking out the cured fiber layer 2, and repeating the steps S2 and S3 to manufacture the fiber layer 2 on the other side of the plate core 1 for standby; finally, cleaning the interior of the mold for subsequent work;

s5: pressing and molding, namely uniformly coating epoxy resin between the plate core 1 and the fiber layer 2 to enable the felt-shaped glass fiber 22 to face one side of the plate core 1, and clamping the reinforcing member 5 at the position of the plate core 1 and the fiber layer 2 corresponding to the mounting groove 11; then, evenly coating epoxy resin among the fiber layer 2, the surface layer 3 and the bottom layer 4;

sequentially placing the bottom layer 4, the two layers of the board core 1 provided with the fiber layer 2 and the surface layer 3 into a hot press for extrusion, setting the temperature of the hot press to be 70 ℃, carrying out hot pressing on the boards in the template, keeping the extrusion state for 20-25 minutes, curing the epoxy resin, and forming the skis in the die;

because the fiber layer 2 is prepared separately before compression molding, the epoxy resin in the fiber layer is fully cured, and the ratio of the epoxy resin to the glass fiber 21 is not influenced in the final compression molding, the physical performance of the snowboard is ensured, the toughness of the snowboard is greatly improved, and the snowboard provides stronger elasticity for athletes when jumping, landing, twisting and other actions are carried out in the skiing movement, and is not easy to break;

s6: polishing the edge of the ski, taking the ski out of the mould, cleaning the mould, cutting off redundant glue solution, polishing the edge of the ski, and performing water grinding on the bottom of the ski by using a water grinder; drilling and tapping holes at the joints of the snowboard panel and the snowshoe;

cleaning and drying the skis in sequence, waxing the bottom plate, cleaning the skis with alcohol, sealing the skis, and performing heat shrinkage on the sealed skis.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.