TW202000433A - Manufacturing method and structure of composite material golf club head capable of achieving excellent joining stability and structural strength between club head body and striking faceplate and reducing manufacturing cost and labor hours - Google Patents

Abstract

The present invention relates to a manufacturing method and structure of golf club head made of composite material. The manufacturing method is performed by using a mold set and a pressure forming device having a sealed container. In which, the carbon-fiber composite material prepreg material or striking faceplate of pre-formed metal material is placed in the mold set. A plurality of carbon-fiber composite material prepreg material layers are laminated in the mold set to be combined with the striking faceplate to compose the club head embryo. Apply vacuum negative pressure and heating to the mold set containing the club head embryo sealed in a bag by the sealed container until the carbon-fiber composite prepreg material layers have undergone cross-linking reaction and cured as a club head semi-product. Detach the mold and take out the club head semi-product and perform the steps of removing corner residuals and surface treatment to fabricate the composite material for golf club head. The present invention may provide the club head with excellent joining stability and structural strength between the club head body integrally formed with the club stem and the striking faceplate and may achieve the economic benefit of reducing manufacturing cost and working hours.

Description

Manufacturing method and structure of composite material golf club head

The invention relates to a golf club head, in particular to a manufacturing method and structure of a golf club head made of composite materials.

In order to make the golf club swing and hit the ball, it has the performance of long-distance and directional stability of the flying ball, and the center of gravity and inertia of the golf club head are its design key items. In order to improve the design freedom of the center of gravity and the inertia of the club head, related companies currently propose to use carbon fiber composite materials as materials for manufacturing some or all parts of the club head.

For example, our country’s announcement No. I307285 discloses a "golf club head" that uses carbon fiber composite materials. The golf club head includes a striking panel, a carbon fiber crown, a carbon fiber bottom and a weight member. The striking panel is made of a metal material. The carbon fiber crown and the carbon fiber bottom are made of carbon fiber composite materials, respectively. The heavy component is made of metal material with high specific gravity, and is fixed by adhesion in the bottom of the carbon fiber. The carbon fiber crown and the bottom of the carbon fiber are up and down and fixed with an adhesive to make the head body, and then the hitting panel is made of adhesive Stick to the front end of the head body, etc., to form a wooden head type club head.

However, the golf clubs known in the foregoing disclosure use the crown and bottom of the head body to be made of carbon fiber composite materials, in order to increase the flying distance when hitting. However, the hitting panel and the carbon fiber composite material head body are fixed with an adhesive, and the overlapped portion between the crown and the bottom of the carbon fiber composite material head body is fixed with an adhesive. The strength is not good, and the metal striking panel, carbon fiber crown, carbon fiber bottom, carbon fiber handle and metal weight member of the golf club head are all individually formed parts, and then adhered in order by means of adhesion Fixed, there are problems such as high manufacturing costs and high manufacturing hours.

The main purpose of the present invention is to provide a manufacturing method and structure of a composite material golf club head, which solves the problem that the existing carbon fiber composite material golf club shaft and the club head body are not made in one piece, and the carbon fiber composite material shaft The overlapping part between the crown and the bottom of the head body is fixed with adhesive, etc., which has the problems of poor structural strength, high cost and high working hours.

In order to achieve the above-mentioned purpose, the method for manufacturing a composite material golf club head proposed by the present invention is performed by using a mold set and a pressure forming device, which includes an openable and closable container and an arrangement An air pressure acting component and a heating component on the closed container. The manufacturing method of the composite material golf club head includes: the step of providing a ball striking panel pre-formed from any one of carbon fiber composite material and metal material, A fitting portion is formed on the back side of the ball striking panel; a plurality of carbon fiber composite prepregs are laminated to the mold set in the mold-open state, and after the ball striking panel is placed, the mold is combined to form a club head The step of primary embryo is to laminate a plurality of the carbon fiber composite prepregs to form a primary embryo of a head body with a shank, the front end of the primary embryo of the head body is embedded in the back side of the hitting panel Forming the initial club head embryo; using a pressure forming device to apply vacuum negative pressure and heating to the mold set with the initial club head embryo, which is the first step After the mold set is placed in a bag and sealed, it is placed in the sealed container. The sealed container is subjected to heating and vacuum negative pressure on the initial embryo of the club head in the sealed bag to make the The carbon fiber composite prepreg in the initial club head is cross-linked and cured to form a semi-finished club head, and then the mold set is demolded, and the semi-finished club head is removed; and the semi-finished club head is applied. Steps of removing corner residues and surface processing to form a finished club head.

In the method of manufacturing a composite material golf club head as described above, in the step of applying a vacuum negative pressure and a heating function to the mold assembly with the initial embryo of the club head using a pressure forming device, the heating temperature is 40°C to At 250°C, the pressure of the vacuum is -0.1mbar to -1000mbar, and the action time is 1min to 60min.

In the manufacturing method of a composite material golf club head as described above, the step of applying a vacuum negative pressure and a heating effect to the mold set with the initial embryo of the club head using the pressure forming device also includes The type of container applies positive air pressure to the outside of the sealed bag of the mold set with the initial embryo of the club head.

In the method for manufacturing a composite material golf club head as described above, in the step of applying a vacuum negative pressure and heating effect to the mold set with the initial embryo of the club head using a pressure forming device, the closed container is under pressure The kettle is heated at a temperature of 40°C to 250°C, the pressure value of the vacuum is -0.1mbar to -1000mbar, the pressure value of the input positive pressure is 2bar to 100bar, and the action time is 1min to 60min.

In the method for manufacturing a composite material golf club head as described above, a plurality of carbon fiber composite material prepregs are laminated and bonded to a mold set in an open mold state, and after being placed into the striking panel, the mold is combined to form a ball In the initial stage of the head, a metal shaft inner part is implanted inside the shaft.

In the method for manufacturing a composite material golf club head as described above, a plurality of carbon fiber composite material prepregs are laminated and bonded to a mold set in an open mold state, and after being placed into the striking panel, the mold is combined to form a ball In the step of the initial embryo of the head, at least one metal weight is further placed, the weight is attached to the carbon fiber composite prepreg or coated with the carbon fiber composite prepreg In the stack.

In order to achieve the purpose of pre-disclosure, the composite material golf club head proposed by the present invention is made by the method of manufacturing the pre-discovered composite material golf club head. The composite material golf club head includes a hollow shape formed of carbon fiber composite material The head body, and a hitting panel formed of either carbon fiber composite material or metal material, the front end side of the head body formed of carbon fiber composite material is integrally formed with a stem, the back of the hitting panel A fitting portion is formed on the side, and the front end of the head body is embedded and fixed in the fitting portion on the back side of the ball striking panel.

In the composite material golf club head described above, the head body formed of the carbon fiber composite material has at least one weight made of metal material.

In the composite golf club head as described above, a metal shaft inner part is implanted inside the shaft.

In order to achieve the purpose of pre-disclosure, another composite golf club head according to the present invention is made by a method for manufacturing a pre-discovered composite golf club head. The composite golf club head includes a carbon fiber composite material A carbon fiber back cover portion, and a hitting panel formed of any one of carbon fiber composite material and metal material, the front end side of the carbon fiber back cover portion is integrally formed with a lever, and the back side of the hitting panel forms a A fitting portion, the front end of the carbon fiber back cover portion is embedded and fixed in the fitting portion on the back side of the hitting panel.

In the composite material golf club head as described above, the carbon fiber composite material molded carbon fiber back cover portion has at least one metal weight.

In the composite golf club head as described above, a metal shaft inner part is implanted inside the shaft.

Through the manufacturing method and structure of the golf club head of the front-exposed composite material, it mainly uses a closed container to apply vacuum negative pressure and heating to the mold group with the initial embryo of the club head after the mold is closed to make the carbon fiber composite In the heating environment of the club, the carbon fiber composite prepreg stack in the club head embryo is cross-linked due to pressure and heating due to the isotropic isotropy of the air pressure. Curing, so that the body of the carbon fiber composite material after forming can reach a uniform thickness of the quality level, at the same time, the shaft body formed of the carbon fiber composite material in the mold set is used to directly form the handle, and the front end of the body of the head is directly embedded in the hitting panel Inside the fitting part on the rear side, and first sealed with a sealed bag, they are integrally formed in a sealed container with vacuum negative pressure and heating environment, or further applied with positive air pressure to make the club head one body The head body formed with a shank has excellent bonding stability and good structural strength between the hitting face plate, and there is no need to be fixed by fixing means such as bonding.

In addition, in the step of applying vacuum negative pressure and heating to the mold set with the club head initial embryo in a closed container, the air pressure value and temperature value can be based on the cross-linking reaction of the carbon fiber composite prepreg. The heat and pressure conditions required for the chemical cycle are set by the program control means to set the vacuum negative pressure value (or positive air pressure value) and temperature value at different points in time, so that the excess resin in the carbon fiber composite prepreg is extruded from the carbon fiber At the same time, the bubbles remaining in the carbon fiber composite material prepreg are taken out, so that the carbon fiber composite material prepreg is formed under the action of pressure and heating to form a compact and dense high-quality carbon fiber composite material object. Compared with the existing composite material golf club head, the invention has the economic benefits of reducing the manufacturing cost and working hours.

The manufacturing method and structure of the composite material golf club head of the present invention are at least suitable for golf wood heads or iron club heads and other products. According to the technical means described in the foregoing disclosure, the composite material golf club head manufacturing method uses a mold set and It is executed by a pressure forming device. The mold set can be closed and disassembled. The composition of the mold set changes according to the shape and structure of the golf club head to be manufactured. The pressure forming device includes a hermetic seal Type container, and an air pressure acting component and a heating component disposed on the closed container, as shown in FIG. 1, the manufacturing method of the composite material golf club head includes: providing both carbon fiber composite material and metal material The step of pre-forming a hitting panel of any material, forming a fitting portion on the back side of the hitting panel; laminating a plurality of carbon fiber composite prepregs in the mold set in the mold-open state and placing it in the After striking the face plate, the mold combines the molds to form a club head initial embryo, which is a plurality of the carbon fiber composite prepregs laminated to form a club head primary embryo with a handle, the club head body The front end of the initial embryo is embedded in the fitting portion on the back side of the hitting panel to form the initial embryo of the club head; the step of applying vacuum negative pressure and heating to the mold set with the initial embryo of the club head using a pressure forming device , Which is to put the mold set with the initial embryo of the club head into a bag and seal it, and then put it into the sealed container, and then through the sealed container to the club head in the sealed bag The embryo is subjected to heating and vacuum negative pressure, so that the carbon fiber composite prepreg in the initial head of the club head is laminated and cross-linked to solidify to form a semi-finished club head, and then the mold group is demolded, and the Take out the semi-finished club head; and apply the steps of removing corner residue and surface processing to the semi-finished club head to form a finished club head.

In the aforementioned method for manufacturing a composite material golf club head, a plurality of carbon fiber composite material prepregs are laminated and bonded to a mold set in an open mold state, and after being placed into the striking panel, the mold is combined to form a club head. In the step of embryo, a plurality of the carbon fiber composite prepreg laminates can be directly formed in a mold to directly form a primary body of a head body with a shaft handle; alternatively, the shaft handle can also be pre-treated with carbon fiber composite material The impregnated material is pre-formed, and then placed in a mold set and combined with a plurality of the carbon fiber composite material prepreg laminates to form a preliminary body of the head body with a shaft handle.

In the step of laminating a plurality of carbon fiber composite material prepregs in the mold set in the mold-opening state and placing it in the batting panel, the mold combines the molds to form an initial embryo of the club head. A metal shaft inner part can also be implanted inside, or a rod cover assembly with adjustable angle can be further implanted. In addition, at least one weight block made of a metal material may be further placed, and the weight block is attached to the carbon fiber composite material prepreg or coated in the stack of the carbon fiber composite material prepreg.

The composite material golf club head of the present invention is made by the aforementioned composite material golf club head manufacturing method. Taking the wooden club head shown in FIG. 2 as an example, the composite material golf club head includes a carbon fiber composite material integrally formed A hollow head body 10 and a hitting panel 20 formed of carbon fiber composite material or metal material, a front end side of the head body 10 formed of carbon fiber composite material is integrally formed with a stem 30, the back of the hitting panel 20 A fitting portion 21 is formed on the side, and the front end of the head body 10 is embedded and fixed in the fitting portion 21 on the back side of the ball striking panel 20. In addition, the composite golf club head of the present invention may also be an iron head type product (not shown). The composite golf club head also includes a head body with a shaft integrally formed of carbon fiber composite material, and One of the hitting panels is formed of any one of the carbon fiber composite material and the metal material, and the front end of the head body is embedded and fixed in the fitting portion on the back side of the hitting panel.

On the basis of the manufacturing method and the technical means of the composite material golf club head, the invention can also be implemented in a variety of specific embodiments through the use of a variety of different mold sets. The manufacturing methods of club heads, such as products and iron head products, and the structure of the club heads made here are explained in detail.

When the golf club head is a wood club head, the first embodiment of the method for manufacturing a composite material golf club head of the present invention is performed using a mold set and a pressure forming device.

In the first embodiment of the manufacturing method of the composite material golf club head, the mold set includes a club head upper cover mold and a club head lower cover mold, an upper mold cavity is formed in the club head upper cover mold, and the club head lower cover A mold cavity is formed in the mold, and the club head upper cover mold and the club head lower cover mold can be combined up and down and can be disassembled and separated. After the club head upper cover mold and the club head lower cover mold are closed together, the club head top cover The upper mold cavity of the mold and the lower mold cavity of the club head form a club cavity, and the cavity corresponds to the shape of a wooden club head. The pressure forming device includes an airtight container, an air pressure acting component and a heating component. The airtight container is an openable and closed airtight container and can accommodate the mold set. The air pressure operating component and the heating component are arranged in The closed container is used to change the air pressure value inside the closed container by controlled application of vacuum or further input of positive air pressure, etc., and the temperature inside the closed container can be controlled and adjusted.

As shown in FIG. 3, the specific implementation steps of the first embodiment of the method for manufacturing a composite golf club head include: the step of providing a striking panel pre-formed from any one of carbon fiber composite materials and metal materials, wherein the The ball striking panel can be formed by laminating a carbon fiber composite material prepreg through a panel mold, or using metal materials (such as titanium alloy, stainless steel, etc.) to cast into a panel mold, or using a metal plate by forging to form, etc. Forming a fitting part on the back side of the hitting panel; laminating a plurality of carbon fiber composite material prepregs in the mold set in the mold-opening state, and putting it into the hitting panel, the molds are combined to form a club The first step of the first embryo is to laminate a plurality of the carbon fiber composite prepregs to the head cover mold to form a carbon fiber upper cover portion with a shank, and stack the plurality of carbon fiber composite prepregs The layer is attached to the lower cavity of the club head mold to form a carbon fiber lower cover part; the club head upper mold with the carbon fiber upper cover part and the club head lower cover mold with the carbon fiber lower cover part are closed up and down , The carbon fiber upper cover part with the shaft and the carbon fiber upper cover part are butted up and down to form an initial body of the head body, and the batting head mold and the lower head mold are closed together at the same time, and the ball is put together The face plate, the ball striking panel extends into the inside of the upper cover cavity and the lower cover cavity, the front end of the head body of the head body (that is, the sum of the front end of the carbon fiber upper cover portion and the front end of the carbon fiber lower cover portion) is embedded in the hitting panel In the fitting part on the back side, combine the initial embryo of the club head body and the hitting panel to form an initial embryo of the club head in the cavity of the club head of the mold set; use a closed container to match the mold set with the initial embryo of the club head The steps of applying vacuum negative pressure and heating effect are that the mold set with the initial embryo of the club head is placed in a bag and sealed, and then placed in the closed container of the pressure forming device. The heating element and the air pressure action component are used to heat and evacuate the club head embryo in the sealed bag through the closed container, or, further, the club head preliminary embryo is installed through the closed container The outside of the sealing bag of the mold set is subjected to the input of positive air pressure, etc. By the pressure isobaric isotropy, the carbon fiber composite prepreg laminate in the initial embryo of the club head is exposed to pressure and heating. It will form a club head semi-finished product through joint reaction, then remove the mold from the mold set, and take out the club head semi-finished product; and apply the corner residue removal and surface processing steps to the club head semi-finished product, which is a wood Finished club head type.

In the first embodiment of the method for manufacturing a composite golf club head, a plurality of carbon fiber composite prepregs are laminated to a mold set in an open mold state, and after being placed into the striking panel, the mold is combined to form a mold In the step of the initial embryo of a club head, a plurality of the carbon fiber composite prepregs are laminated and attached to the club head cover mold to directly form a carbon fiber cover part with a shaft handle; or, the shaft handle The carbon fiber composite material prepreg may be preformed first, and then placed in a mold set to be combined with a plurality of the carbon fiber composite material prepregs to form a carbon fiber upper cover portion with a stem. A metal inner part of the shaft can be further implanted inside the shaft.

In the first embodiment of the manufacturing method of the composite material golf club head, the step of applying pressure and heating to the mold set with the initial embryo of the club head using the closed container is through the closed container pair The first embryo of the club head is subjected to heating and vacuuming, or when the closed vessel is selected as an autoclave, the first embryo of the club head can be heated, evacuated and input positive air pressure. The heating temperature is 40 ℃ to 250 ℃, the vacuum pressure value is -0.1mbar to -1000mbar, the action time is about 1min to 60min. Alternatively, when a pressure vessel is used for the closed container, the initial embryo of the club head can be heated, evacuated, and input positive air pressure, wherein the input air pressure is 2 bar to 100 bar. The air pressure value and the temperature value are set according to conditions such as the shape of the club head, the finished shape of the club head, and the thickness of the carbon fiber composite material laminate. The air pressure value and the temperature value can also be set according to the hot pressing conditions required for the formation cycle of the cross-linking reaction of the carbon fiber composite prepreg material, and the conditions such as the air pressure value and the temperature value at different time points are set by program control means to make the carbon fiber composite material Excess resin in the prepreg is extruded from the carbon fiber, and at the same time, the bubbles remaining in the carbon fiber composite material prepreg are taken out, thereby forming the carbon fiber composite material prepreg under pressure and heating. Highly compact and dense carbon fiber composite material solid.

In the first embodiment of the manufacturing method of the composite material golf club head, the laminated carbon fiber composite material prepreg is laminated to the mold set in the mold-opening state, and the mold assembly mold is placed after being placed in the striking panel In the step of forming an initial embryo of a club head, the lamination of a plurality of carbon fiber composite material prepregs is applied to the head back cover mold to form a carbon fiber back cover portion, at least one A counterweight block made of metal. The counterweight block may be a block made of tungsten metal material or other materials having a specific gravity greater than that of an iron-based metal material. Wherein, after the carbon fiber composite material prepregs of the carbon fiber back cover are laminated, the weight block is attached and fixed to the inner surface of the carbon fiber back cover; or, the carbon fiber composite at the carbon fiber back cover When the material prepreg is laminated, the weight block is placed inside the carbon fiber composite material prepreg stack, that is, the carbon fiber composite material prepreg laminated with the weight block coated on the carbon fiber back cover in.

The structure of the first embodiment of the wooden club head type composite material golf club head made by the first embodiment of the composite material golf club head manufacturing method, as shown in FIG. 4, includes a carbon fiber composite material The head body 10A, a hitting panel 20A formed of carbon fiber composite material or metal material, and a shaft 30A formed of carbon fiber composite material.

As shown in FIG. 4, according to the first embodiment of the method for manufacturing a composite golf club head, the shaft and the striking face plate are placed in a mold set in a mold-open state, respectively, and a plurality of carbon fiber composite materials are used After the prepreg laminate is attached to the mold set in the mold-opening state, the step of the mold assembly mold simulates the application of a plurality of carbon fiber composite prepreg laminates to the top cover mold of the club head to form a carbon fiber cover The three-dimensional exploded schematic view of a golf club head forming a carbon fiber lower cover part by laminating a plurality of carbon fiber composite material prepregs on the lower cover mold cavity of the club head lower cover mold. As shown in FIG. 5, the head body 10A is in a form in which the carbon fiber upper cover portion 11A and the carbon fiber lower cover portion 12A are vertically integrated and integrally formed. As shown in FIGS. 4 and 5, the back side of the ball striking panel 20A is formed with a fitting portion 21A with an opening facing backward, and the front end of the head body 10A is inserted into the fitting portion 21A on the back side of the ball striking panel 20A to be consolidated and integrated The handle 30A is integrally formed on the front end side of the head body 30A.

In the structure of the aforementioned first embodiment of the wooden head type composite material golf club head, an inner part of the metal shaft may be further provided inside the shaft. Alternatively, an angle-adjustable pole cover assembly may be further implanted. The angle-adjustable pole cover assembly may use a known component, which is constructed here and will not be described in detail. The carbon fiber lower cover portion has at least one metal weight block, the weight block can be attached to and fixed on the inner surface of the carbon fiber lower cover portion, or the weight block is covered and fixed to the The inside of the carbon fiber lower cover part is described.

When the golf club head is a wood club head, the manufacturing method of the composite material golf club head of the present invention can also be achieved by the following second embodiment, and the second embodiment of the composite material golf club head manufacturing method also uses a mold Group and a pressure forming device to perform. The mold set used in the second embodiment of the method for manufacturing a composite golf club head adopts the structure of the front-rear and combined molds, and replaces the first embodiment of the method for manufacturing the composite material golf club head in which the mold is assembled in the up-down and combined modes. That is, the mold assembly used in the second embodiment of the method for manufacturing a composite golf club head includes a club head front cover mold and a club head rear cover mold, a club front cavity is formed in the club head front cover mold, and the club A rear mold cavity is formed in the head and back cover mold, the head front cover mold and the head back cover mold can be combined back and forth and can be disassembled and separated, and the head front cover mold and the head back cover mold are closed Afterwards, the cavity of the front cover of the club head and the cavity of the rear mold of the club head are combined into a cavity of the club head, and the cavity of the club head corresponds to the shape of the wooden club head.

The pressure forming device used in the second embodiment of the manufacturing method of the composite material golf club head is the same as the first embodiment disclosed above, and it also includes a sealed container, an air pressure acting component and a heating component. A closed container that can be opened and closed, and can accommodate the mold set, and the air pressure action component and the heating component are arranged on the closed container for controlled evacuation (or further input of positive air pressure) and other ways to change The air pressure value inside the closed container, and the temperature inside the closed container can be controlled and adjusted.

As shown in FIG. 6, the specific implementation steps of the second embodiment of the method for manufacturing a composite golf club head include: the step of providing a ball striking panel pre-formed with either carbon fiber composite material or metal material, The ball striking panel can be formed by laminating a carbon fiber composite material prepreg through a panel mold, or using metal materials (such as titanium alloy, stainless steel, etc.) to cast into a panel mold, or using a metal plate by forging to form, etc. A fitting portion is formed on the back side of the ball striking panel; a plurality of carbon fiber composite material prepregs are laminated to the mold set in the mold-open state, and after the ball striking panel is placed, the mold is combined to form a cue The first step of the first embryo is to place the ball striking panel in the cavity before the head cover mold, and laminate a plurality of carbon fiber composite prepregs to the front cavity of the head cover mold In the middle, a carbon fiber front cover portion with a shaft is formed, the front end of the carbon fiber front cover portion is embedded in the fitting portion on the back side of the hitting panel, and a plurality of carbon fiber composite prepregs are laminated and attached to the head A carbon fiber back cover part is formed in the cover mold; the head front cover mold and the head back cover mold are relatively closed, so that the carbon fiber front cover part and the carbon fiber front cover part located in the head front cover mold are combined with the The carbon fiber back cover part in the head back cover mold is butt-joined back and forth to form an initial body of the head body; using a closed container to apply pressure and heating to the mold set with the initial head of the club head It is to put the mold set with the initial embryo of the club head into a bag and seal it, and put it in the closed container, and use the heating component and the air pressure action component to pass through the closed container to the sealed bag. The heating of the first club head embryo and the effect of vacuum negative pressure, or, through the closed container, the positive pressure action of the positive pressure is applied to the outside of the sealed bag of the mold set containing the first club head embryo. The carbon fiber composite prepreg in the initial club head is laminated and cross-linked to solidify to form a semi-finished club head, and then the mold set is demolded and the semi-finished club head is removed; and the semi-finished club head The steps of removing corner residues and surface processing are applied to produce a club head type of finished club head.

In the second embodiment of the method for manufacturing a composite golf club head, the multiple carbon fiber composite prepregs are laminated to the mold set in the mold-opening state, and the mold is combined to form the batting panel. In the step of the initial embryo of a club head, a plurality of carbon fiber composite prepregs can be laminated and laminated in the front cavity of the club head front cover mold to directly form a carbon fiber upper cover portion with a shaft handle; or, The stem can also be preformed with carbon fiber composite prepreg first, and then placed in the head cover mold of the club head and combined with a plurality of the carbon fiber composite prepreg laminates to form a rod with a stem Carbon fiber cover part. A metal inner part of the stem can be further implanted inside the stem, or a stem sleeve assembly with adjustable angle can be further implanted.

In the second embodiment of the method for manufacturing a composite material golf club head, the step of applying a pressurization and heating effect to the mold set with the initial embryo of the club head using the closed container is through the closed container pair The initial embryo of the club head is subjected to the air pressure effect of heating and vacuuming. The air pressure value and the temperature value are set according to the conditions of the shape of the finished club head type club head and the thickness of the carbon fiber composite material stack, among which The heating temperature is 40°C to 250°C, the pressure value of the vacuum is -0.1mbar to -1000mbar, and the action time is about 1min to 60min. When a pressure vessel is used for the closed container, the initial embryo of the club head can be heated, evacuated and the positive air pressure is input. The pressure value of the input positive air pressure is 2bar to 100bar. The air pressure value and the temperature value can also be set according to the hot pressing conditions required for the formation cycle of the cross-linking reaction of the carbon fiber composite prepreg material, and the conditions such as the air pressure value and the temperature value at different time points are set by program control means to make the carbon fiber composite material Excess resin in the prepreg is extruded from the carbon fiber, and at the same time, the bubbles remaining in the carbon fiber composite material prepreg are taken out, thereby forming the carbon fiber composite material prepreg under pressure and heating. Highly compact and dense carbon fiber composite material solid.

In the second embodiment of the method for manufacturing a composite material golf club head, the step of laminating a plurality of carbon fiber composite material prepregs in the head cover mold to form a carbon fiber back cover portion, A weight block of at least one metal material may be further inserted. The weight block may be a block made of tungsten metal material or other materials having a specific gravity greater than that of an iron-based metal material. Wherein, after the carbon fiber composite prepregs of the carbon fiber back cover are laminated, the weight block is attached and fixed to the inner surface of the carbon fiber back cover, or the carbon fiber composite of the carbon fiber back cover When the material prepreg is laminated, the weight block is placed inside the carbon fiber composite material prepreg stack, that is, the carbon fiber composite material prepreg laminated with the weight block coated on the carbon fiber back cover in.

The structure of a wooden head type composite material golf club head made by the second embodiment of the composite material golf club head manufacturing method, as shown in FIG. 7, includes a club head body 10B formed of carbon fiber composite material 1. A ball striking panel 20B formed of carbon fiber composite material or metal material, and a shaft 30B formed of carbon fiber composite material, the head body 10B is an integrally formed carbon fiber front cover portion 11B and a carbon fiber rear cover portion 12B Combined back and forth, the back side of the ball striking panel 20B forms a fitting portion 21B with an opening facing backward, the front end of the carbon fiber front cover portion 11B is embedded in the fitting portion 21B on the back side of the ball striking panel 20B, and the rod is consolidated and integrated. The handle 30B is integrally formed on the front end side of the carbon fiber front cover portion 11B.

The carbon fiber composite material can be further provided with an inner part of the metal shaft inside the shaft. Alternatively, an angle-adjustable pole cover assembly may be further implanted. The angle-adjustable pole cover assembly may use a known component, which is constructed here and will not be described in detail. The carbon fiber rear cover portion has at least one metal weight block, the weight block can be attached and fixed to the inner surface of the carbon fiber rear cover portion, or the weight block can also be covered It is fixed inside the carbon fiber back cover.

When the golf club head is an iron club head, an embodiment of the method for manufacturing a composite material golf club head of the present invention is also performed using a mold set and a pressure forming device. The mold set includes a club head front cover mold and A club head back cover mold, the club head front cover mold and the club head back cover mold can be separated before and after the combined mold and disassembly. After the mold combined mold, a club head cavity corresponding to the shape of an iron club head is formed inside. The pressure forming device includes a closed container that can be opened and closed, and an air pressure acting component and a heating component disposed on the closed container. As shown in FIG. 8, the embodiment of the manufacturing method of the composite material golf club head includes: providing a ball striking panel pre-formed by any one of the materials of carbon fiber composite material and metal material (for example: titanium alloy, stainless steel, etc.) Step, forming a fitting part on the back side of the hitting panel; laminating a plurality of carbon fiber composite material prepregs in the mold set in the mold-opening state, and putting it into the hitting panel, the mold is combined to form a mold The first step of the club head is to laminate a plurality of carbon fiber composite prepregs to the head cover mold to form a carbon fiber back cover portion with a shaft handle, and then put the hitting panel into In the club head front cover mold, the club head front cover mold and the club head back cover mold are clamped relative to each other, and the primary body of the club head body integrally formed with the carbon fiber back cover part is located in the club head back cover mold The front end of the carbon fiber back cover part is embedded in the fitting part on the back side of the hitting panel to form a preliminary club head embryo in the mold set; a closed container is used to apply a vacuum negative to the mold set with the initial club head embryo The steps of pressing and heating are to put the mold set with the first embryo of the club head into a bag and seal it, and then put it in the closed container, and use the heating component and the air pressure action component to pass through the The sealed container heats the club head embryo in the sealed bag and the air pressure is evacuated, so that the carbon fiber composite prepreg in the club head embryo is laminated and cross-linked to form a club head. Semi-finished products, then remove the mold from the mold set, and take out the semi-finished club head; and apply corner residue removal and surface processing to the semi-finished club head, which is a finished iron head type club head.

An embodiment of a method for manufacturing a golf club head of a composite material disclosed in the foregoing, in which a plurality of carbon fiber composite material prepregs are laminated and bonded to a mold set in an open mold state, and after being placed into the striking panel, the mold is combined to form a mold In the step of the initial embryo of a club head, a plurality of the carbon fiber composite material prepregs are laminated to the head cover mold to form a carbon fiber back cover portion with a shaft handle; or, the rod The shank can also be preformed with carbon fiber composite prepreg first, and then placed in the head cover mold to combine with a plurality of the carbon fiber composite prepreg laminates to form a carbon fiber back with a shank Cover part. A metal inner part of the shaft can be further implanted inside the shaft.

In the embodiment of the manufacturing method of the composite material golf club head, the step of applying the vacuum negative pressure and the heating function to the mold set with the initial embryo of the club head in the closed container is to seal the ball through the closed container The first embryo of the head is subjected to the air pressure effect of heating and vacuuming. The air pressure value and the temperature value are set according to conditions such as the shape of the iron head type of the club head and the thickness of the carbon fiber composite material laminate, where the heating temperature is 40°C to 250°C, and the vacuum pressure value is- 0.1mbar to -1000mbar, the action time is about 1min to 60min. When a pressure vessel is used for the closed container, the initial embryo of the club head can be heated, evacuated and the positive air pressure is input. The pressure value of the input positive air pressure is 2bar to 100bar. The air pressure value and the temperature value can also be set according to the hot pressing conditions required for the formation cycle of the cross-linking reaction of the carbon fiber composite prepreg material, and the conditions such as the air pressure value and the temperature value at different time points are set by program control means to make the carbon fiber composite material The prepreg is formed under pressure and heating to form a high-density and dense carbon fiber composite solid.

In the embodiment of the manufacturing method of the composite material golf club head, the laminated carbon fiber composite material prepreg is laminated to the mold set in the mold-opening state, and placed in the hitting panel, the mold assembly mold In the step of forming the initial embryo of a club head, at least one metal weight is further placed. The weight can be made of tungsten metal material or other materials with a specific gravity greater than that of iron-based metal materials. Block. Wherein, after stacking the carbon fiber composite material prepregs of the carbon fiber back cover portion, the weight block is attached and fixed to the inner surface of the carbon fiber back cover portion, or, the carbon fiber composite at the carbon fiber back cover portion When the material prepreg is laminated, the weight block is placed inside the carbon fiber composite prepreg stack, that is, the weight block is coated on the carbon fiber composite prepreg of the carbon fiber back cover In the stack.

The structure of the iron-head type composite material golf club head made by the embodiment of the method for manufacturing a composite material golf club head, as shown in FIG. 9, includes a carbon fiber back cover portion 10C formed of a carbon fiber composite material, and A hitting panel 20C formed of a carbon fiber composite material or a metal material, the back side of the hitting panel forms a fitting portion with an opening facing backward, and the front end of the carbon fiber back cover portion 10C is embedded and fixed to the back side of the hitting panel 20C In the fitting portion 21C, a shank 30C is integrally formed on the front end side of the carbon fiber back cover portion 10C.

The carbon fiber composite material can be further provided with an inner part of the metal shaft inside the shaft. Alternatively, an angle-adjustable pole cover assembly may be further implanted. The angle-adjustable pole cover assembly may use a known component, which is constructed here and will not be described in detail. The carbon fiber back cover formed by the carbon fiber composite material may further be provided with a metal weight, the weight may be attached and fixed to the inner surface of the carbon fiber back cover, or the weight It may be coated and fixed inside the carbon fiber rear cover.

It can be known from the description of the embodiment of the manufacturing method and structure of the front-exposed composite material golf club head that the present invention mainly uses a closed container to apply vacuum negative pressure to the mold group with the initial embryo of the club head after mold clamping (Or further input positive air pressure) and heating effect, make the carbon fiber composite material's initial embryo of the club under the heating environment, through the air pressure isobaric isotropy, the carbon fiber composite material in the initial embryo of the club head The impregnated material laminate is cured by the crosslinking reaction caused by the action of pressure and heating, so that the head body of the carbon fiber composite material after forming can reach the quality level of uniform thickness. At the same time, the club head body formed of carbon fiber composite material in the mold group is directly used to form the shaft handle, and the front end of the club head body is directly embedded in the fitting portion on the rear side of the hitting panel, and is directly combined with the shaft handle and arranged in the mold group, together The pressurization and heating of the closed container are integrally formed in the environment of the action, so that the club head body integrally formed in the club head has excellent bonding stability between the hitting face plate and no need to be fixed by means of bonding, etc. To be fixed.

Secondly, in the step of applying pressure and heating to the mold set with the initial embryo of the club head using a closed container, the air pressure value and the temperature value can be based on the crosslinking reaction of the carbon fiber composite prepreg The heat and pressure conditions required for the chemical conversion cycle are set by the program control method to set the air pressure value and temperature value at different points in time, so that the excess resin in the carbon fiber composite prepreg is extruded from the carbon fiber, and the residual carbon fiber composite material The air bubbles in the impregnated material are brought out, so that the carbon fiber composite material prepreg is pressed and heated, and the carbon fiber composite material becomes a compact and dense object. Compared with the existing composite material golf club head, the present invention It has the economic benefits of reducing manufacturing costs and working hours.

10, 10A, 10B‧‧‧Head body 10C‧‧‧Carbon fiber back cover part 11A‧‧‧Carbon fiber upper cover part 12A‧‧‧Carbon fiber lower cover part 11B‧‧‧Carbon fiber front cover part 12B‧‧‧Carbon fiber back cover part 20, 20A, 20B, 20C ‧‧‧ batting panel 21, 21A, 21B, 21C ‧‧‧ fitting part 30, 30A, 30B, 30C ‧ ‧ ‧ handle

FIG. 1 is a flowchart of an embodiment of a method for manufacturing a composite golf club head of the present invention. FIG. 2 is a schematic exploded perspective view of a wooden head type golf club head simulated with reference to the method for manufacturing a composite material golf club head shown in FIG. 1. FIG. 3 is a flow chart of the first embodiment of the method for manufacturing a wood head type composite material golf club head according to the present invention. 4 is a schematic perspective view of a wooden head type golf club head made by the first embodiment of the method for manufacturing a composite material golf club head shown in FIG. 3. FIG. 5 is a schematic exploded perspective view of a golf club head simulated with reference to the manufacturing method of the wooden head type golf club head shown in FIG. 3. 6 is a flowchart of a second embodiment of the present invention is a method of manufacturing a wood head type composite material golf club head. FIG. 7 is a schematic exploded schematic view of a golf club head simulated with reference to the second embodiment of the method for manufacturing a wooden head type golf club head shown in FIG. 6. FIG. 8 is a flow chart of an embodiment of the present invention is one method of manufacturing an iron head type composite material golf club head. 9 is a perspective view of an iron head type golf club head made by an embodiment of the method for manufacturing a composite material golf club head shown in FIG. 8.

Claims (18)

A method for manufacturing a composite material golf club head, which is performed using a mold set and a pressure forming device, the pressure forming device including an openable and closable closed container, and an air pressure effect disposed on the closed container An assembly and a heating assembly. The manufacturing method of the composite golf club head includes the steps of: providing a striking panel pre-formed from any one of carbon fiber composite materials and metal materials, and forming a fit on the back side of the striking panel The step of laminating a plurality of carbon fiber composite prepregs in the mold set in the mold-opening state and placing it in the batting panel, and then combining the molds to form the initial embryo of the club head. The carbon fiber composite prepregs are laminated to form a head body primary embryo with a shaft handle, and the front end of the head body primary embryo is embedded in the fitting portion on the back side of the hitting panel to form the club head primary embryo ; Use a pressure forming device to apply vacuum negative pressure and heating to the mold set with the first club head embryo. It is to put the mold set with the first club head embryo into a bag and seal it. Afterwards, it is placed in the closed container, and the closed head container is used to apply heating and vacuum negative pressure to the club head embryo in the sealed bag, so that the carbon fiber composite material in the club head embryo The prepreg laminate is cross-linked and cured to form a club head semi-finished product, and then the mold set is demolded and the club head semi-finished product is taken out; and the club head semi-finished product is subjected to corner residue removal and surface processing treatment Steps to form a finished club head. The method for manufacturing a composite material golf club head according to claim 1, wherein in the step of applying a vacuum negative pressure and a heating function to the mold set with the initial embryo of the club head using a pressure forming device, the heating temperature 40 ℃ to 250 ℃, the vacuum pressure value is -0.1mbar to -1000mbar, the action time is 1min to 60min. The method for manufacturing a composite material golf club head according to claim 1, wherein the step of applying a vacuum negative pressure and a heating function to the mold set with the initial embryo of the club head using a pressure forming device further includes A positive air pressure is applied to the outside of the sealed bag of the mold set containing the club head initial embryo through the closed container. The method for manufacturing a composite material golf club head according to claim 3, wherein in the step of applying a vacuum negative pressure and a heating function to the mold set with the initial embryo of the club head using a pressure forming device, the seal The type vessel is a pressure kettle, the heating temperature is 40°C to 250°C, the pressure value of the vacuum is -0.1mbar to -1000mbar, the pressure value of the input positive pressure is 2bar to 100bar, and the action time is 1min to 60min. The method for manufacturing a composite material golf club head according to any one of claims 1 to 4, wherein the laminate of a plurality of carbon fiber composite prepregs is laminated to a mold set in a mold-open state and placed After the ball striking panel, in the step of combining molds to form the initial embryo of the club head, a metal shaft inner part is implanted inside the shaft. The method for manufacturing a composite material golf club head according to any one of claims 1 to 4, wherein the laminate of a plurality of carbon fiber composite prepregs is laminated to a mold set in a mold-open state and placed After the ball striking panel, in the step of combining the mold to form the initial embryo of the club head, at least one metal weight is further placed, the weight is attached to the carbon fiber composite prepreg or Wrapped in the laminate of the carbon fiber composite material prepreg. The method for manufacturing a composite golf club head according to any one of claims 1 to 4, wherein the mold set includes a club head cover mold and a club head cover mold, the club head cover mold and the club head The lower cover mold can be combined up and down and combined with the mold opening; the lamination of a plurality of carbon fiber composite prepregs in the mold group in the mold opening state, and after being placed into the batting panel, the mold is combined to form a mold In the initial step of the club head, a plurality of the carbon fiber composite material prepregs are laminated to the club head cover mold to form a carbon fiber upper cover portion with a handle, and the carbon fiber composite material A prepreg laminate is attached to the club head cover mold to form a carbon fiber lower cover part, and is placed into the ball striking panel when the club head cover mold and the club head bottom cover mold are relatively closed, and has a shaft handle The carbon fiber upper cover portion and the carbon fiber upper cover portion are vertically butted and combined to form the initial embryo of the head body. The method for manufacturing a composite material golf club head according to claim 7, wherein the laminate of a plurality of carbon fiber composite material prepregs is attached to the mold set in the mold-opening state, and placed into the ball striking panel, In the step of combining the molds to form the initial embryo of the club head, at least one metal weight block is further placed, the weight block is attached to the carbon fiber composite material prepreg of the carbon fiber lower cover portion or wrapped The carbon fiber composite material prepreg covering the carbon fiber lower cover part is laminated. The method for manufacturing a composite material golf club head according to any one of claims 1 to 4, wherein the mold set includes a club head front cover mold and a club head rear cover mold, the club head front cover mold and the The head back cover mold can be combined back and forth and combined with the mold opening; the laminated carbon fiber composite material prepreg is laminated to the mold set in the mold opening state and placed into the batting panel, the mold combination mold is In the step of forming the initial embryo of the club head, the ball striking panel is placed in the head cover mold, and a plurality of the carbon fiber composite prepreg laminates are laminated to the head cover mold A carbon fiber front cover portion with a shaft is formed, the front end of the carbon fiber front cover portion is embedded in the fitting portion on the back side of the ball striking panel, and a plurality of the carbon fiber composite prepreg laminates are laminated to the head In the back cover mold, a carbon fiber back cover portion is formed, and the head front cover mold and the head back cover mold are relatively closed, so that the carbon fiber front cover portion and the carbon fiber back cover portion of the hitting panel are butted and combined to form a Describe the initial embryo of the head body. The method of manufacturing a composite material golf club head according to claim 9, wherein the laminated carbon fiber composite prepreg is laminated to the mold set in the mold-open state and placed in the ball striking panel, In the step of combining the molds to form the initial embryo of the club head, at least one metal weight block is further placed, the weight block is attached to the carbon fiber composite material prepreg of the carbon fiber back cover or is wrapped It is covered in the stack of carbon fiber composite prepregs of the carbon fiber back cover. The method for manufacturing a composite material golf club head according to any one of claims 1 to 4, wherein the mold set includes a club head front cover mold and a club head back cover mold, the club head front cover mold and the The head back cover mold can be combined back and forth and combined with the mold opening; the laminated carbon fiber composite material prepreg is laminated to the mold set in the mold opening state and placed into the batting panel, the mold combination mold is In the step of forming the initial embryo of the club head, the ball striking panel is placed in the head cover mold, and a plurality of the carbon fiber composite prepregs are laminated to the head cover mold to form A carbon fiber back cover portion of the handle, the carbon fiber back cover portion is the initial embryo of the head body, the head cover mold and the head cover mold are relatively closed, so that the front end of the carbon fiber back cover portion combined with the handle Embedded in the fitting portion on the back side of the hitting panel, the club head initial embryo is formed in the mold set. The method for manufacturing a composite material golf club head according to claim 11, wherein the laminate of a plurality of carbon fiber composite prepregs is attached to the mold set in the mold-open state, and placed in the ball striking panel, In the step of combining the molds to form the initial embryo of the club head, at least one metal weight block is further placed, the weight block is attached to the carbon fiber composite material prepreg of the carbon fiber back cover or is wrapped It is covered in the stack of carbon fiber composite prepregs of the carbon fiber back cover. A composite material golf club head, made by the method for manufacturing a composite material golf club head according to claim 1, 2, 3, 4, 7 or 9, the composite material golf club head comprises a carbon fiber composite material A hollow club head body, and a hitting panel formed of either carbon fiber composite material or metal material, the front end side of the club head body formed of carbon fiber composite material is integrally formed with a lever handle, the A fitting portion is formed on the back side of the hitting panel, and the front end of the head body is embedded and fixed in the fitting portion on the back side of the hitting panel. The composite golf club head according to claim 13, wherein the head body formed of the carbon fiber composite material has at least one metal weight. The composite material golf club head according to claim 13 or 14, wherein a metal shaft inner part is implanted inside the shaft. A composite material golf club head made by the method for manufacturing a composite material golf club head according to claim 11, the composite material golf club head includes a carbon fiber back cover formed of a carbon fiber composite material, and a carbon fiber One of the composite material and the metal material is formed into one hitting panel, the carbon fiber back cover portion is integrally formed with a lever at the front side, the back side of the hitting panel forms a fitting portion, and the carbon fiber back cover portion The front end is embedded and fixed in the fitting portion on the back side of the ball striking panel. The composite material golf club head according to claim 16, wherein the carbon fiber back cover portion formed of the carbon fiber composite material has at least one metal weight. The composite material golf club head according to claim 16 or 17, wherein a metal shaft inner part is implanted inside the shaft.

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