TWI654073B - Composite golf club head manufacturing method and structure - Google Patents

Abstract

A composite golf club head manufacturing method and structure, the manufacturing method is performed by using a mold set and a pressure forming device having a closed container, wherein a carbon fiber composite prepreg or a metal material preformed hitting panel is placed in the mold In the group, a plurality of carbon fiber composite prepreg laminates are laminated on the mold set, and the ball striking head is formed by combining the hitting panel, and then the closed head of the club head is sealed in the sealed bag by a closed container. The mold set is subjected to vacuum negative pressure and heating until the carbon fiber composite prepreg is laminated and cross-linked to solidify into a club head semi-finished product, and the mold removal and removal of the club head semi-finished product, and the corner residue removal, Surface processing and other steps to form a composite golf club head, and a good joint stability and structural strength between the club head body integrally formed with the shaft and the hitting panel in the club head, and reduced manufacturing Cost and economic benefits of working hours.

Description

Composite golf club head manufacturing method and structure

The present invention relates to a golf club head, and more particularly to a method and construction of a golf club head made of a composite material.

In order to make the golf club swing, it has the performance of long distance and direction stability of the flying ball, and the center of gravity and inertia of the golf club head are the key items for its design. In order to improve the design freedom of the center of gravity and inertia of the club head, the related art has proposed to use a carbon fiber composite material as a material for manufacturing part or all of the components of the club head.

For example, the invention patent case No. I307285 discloses a "golf club head" using a carbon fiber composite material. The golf club head comprises a hitting panel, a carbon fiber crown, a carbon fiber bottom and a weight member, the hitting panel is made of a metal material, and the carbon fiber crown and the carbon fiber bottom are respectively made of a carbon fiber composite material. The heavy component is made of a metal material with a high specific gravity and is fixedly fixed to the bottom of the carbon fiber. The carbon fiber crown is placed up and down with the bottom of the carbon fiber and adhered to the head body by an adhesive, and the batting panel is adhered. Adhered to the front end of the head body, etc., to form a club head of the wood head type.

However, the previously disclosed golf clubs are made of carbon fiber composite materials by the crown and the bottom of the head body, respectively, in order to achieve the effect of increasing the distance of the flying ball when hitting the ball. However, the ball striking panel and the head body of the carbon fiber composite material are fixed by an adhesive, and the overlapping portion of the crown portion and the bottom portion of the head body of the carbon fiber composite material is fixed by an adhesive agent, etc., and the bonding portion has a structure. The strength is not good, and the metal material hitting panel, carbon fiber crown, carbon fiber bottom, carbon fiber rod handle and metal weight member of the golf club head are individually formed parts, and then adhered by adhesive means. Fixed, there are problems such as manufacturing costs and high manufacturing hours.

The main object of the present invention is to provide a method and a structure for manufacturing a composite golf club head, which solves the problem that the rod of the existing carbon fiber composite golf club and the ball head body are not integrally formed, and the rod of the carbon fiber composite material The overlapping portion of the crown and the bottom of the head body is fixed by an adhesive, etc., and has problems such as poor structural strength, high cost, and high working time.

In order to achieve the foregoing object, a composite golf club head manufacturing method according to the present invention is implemented by using a mold set and a pressure forming device, the pressure forming device comprising an openable and closed container, and setting An air pressure acting component and a heating component on the closed container, the composite golf club head manufacturing method comprising: providing a step of forming a ball striking panel preformed from any one of a carbon fiber composite material and a metal material, Forming a fitting portion on the back side of the ball striking panel; laminating the plurality of carbon fiber composite prepreg layers in the mold group in the mold opening state, and placing the ball striking panel to form the club head a step of priming the carbon fiber composite prepreg to form a head body initial having a stem, the front end of the head body being embedded in the back side of the ball striking panel Forming the club head embryo in the inner portion; using a pressure forming device to apply a vacuum negative pressure and a warming action to the mold group having the inner head of the club head, the first step is to have a club inside The mold set of the initial embryo is placed in a bag and sealed, and placed in the closed container, and the inner head of the club head in the envelope is subjected to heating and vacuum negative pressure through the closed container. , the carbon fiber composite prepreg in the initial head of the club head is cross-linked and solidified to form a club head semi-finished product, and then the mold set is removed, and the club head semi-finished product is taken out; and the club is The first semi-finished product is subjected to a step of removing the corner residue and processing the surface to form a finished club head.

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

In the method for manufacturing a composite golf club head according to the above aspect, the step of applying a vacuum negative pressure and a warming action to the mold set having the inner head of the club head using the pressure forming device further includes passing the sealing The container is subjected to input positive air pressure to the outside of the envelope of the mold set in which the club head embryo is placed.

In the method for manufacturing a composite golf club head according to the above aspect, in the step of applying a vacuum negative pressure and a warming action to a mold set having a club head initial embryo using a pressure forming device, the closed container is a pressure The autoclave has a heating temperature of 40 ° C to 250 ° C, a vacuum pressure of -0.1 mbar to -1000 mbar, a positive pressure of 2 bar to 100 bar, and an action time of 1 min to 60 min.

In the method for manufacturing a composite golf club head as described above, the plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and after being placed in the shot panel, the mold is combined to form a ball. In the step of the head embryo, a metal inner handle member is implanted inside the shaft.

In the method for manufacturing a composite golf club head as described above, the plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and after being placed in the shot panel, the mold is combined to form a ball. In the step of the head initial embryo, at least one metal weight is further disposed, and the weight is attached to the carbon fiber composite prepreg or coated on the carbon fiber composite prepreg. In the laminate.

In order to achieve the foregoing object, the composite golf club head of the present invention is made of a front composite golf club head manufacturing method, the composite golf club head comprising a hollow shape formed of a carbon fiber composite material. a head body, and a ball striking panel formed by any one of a carbon fiber composite material and a metal material, wherein a front end of the head body of the carbon fiber composite material is integrally formed with a rod handle, the batting panel back A fitting portion is formed on the side, and the front end of the head body is embedded in a fitting portion fixed to the back side of the ball striking panel.

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

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

In order to achieve the foregoing object, another composite golf club head according to the present invention is produced by a method for manufacturing a composite golf club head comprising a carbon fiber composite material. a carbon fiber back cover portion, and a ball striking panel formed by any one of a carbon fiber composite material and a metal material, the front end side of the carbon fiber back cover portion is integrally formed with a rod handle, and the back side of the ball striking panel forms a In the fitting portion, the front end of the carbon fiber back cover portion is fitted into a fitting portion fixed to the back side of the ball striking panel.

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

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

By the method and structure for manufacturing a composite golf club head, the utility model mainly adopts a closed container to apply a vacuum negative pressure and a heating effect to a mold set with a club head initial embryo after the mold clamping, so as to make a carbon fiber composite. In the heating environment, the carbon fiber composite prepreg laminate in the initial embryo of the club head is crosslinked by pressurization and heating. Curing, the head body of the formed carbon fiber composite material can reach a uniform quality level, and the rod head is directly formed by the head body formed by the carbon fiber composite material in the mold set, and the front end of the head body directly fits into the hitting panel In the fitting part of the rear side, after sealing with the sealed bag, the vacuum forming and vacuuming environment are integrally formed in the closed container together, or the forward air pressure is further applied to make the club head body The rod head body formed with the rod handle and the ball striking panel have excellent joint stability and good structural strength, and are not required to be fixed by fixing means such as bonding.

Furthermore, in the step of applying a vacuum negative pressure and a warming action to the mold set of the inner head of the club head using a closed container, the pressure value and the temperature value can be determined according to the crosslinking reaction of the carbon fiber composite prepreg. The hot pressing conditions required for the chemical cycle, the vacuum negative pressure value (or positive pressure value) and the temperature value at different time points are set by the program control means, 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 prepreg are taken out, so that the carbon fiber composite prepreg is formed under pressure and heating to form a compact and dense high-quality carbon fiber composite material. Compared with the existing composite golf club head, the invention has the economic benefits of reducing manufacturing cost and working time.

The composite golf club head manufacturing method and structure of the present invention are at least suitable for golf club heads or iron heads, etc. According to the technical means described in the foregoing disclosure, the composite golf club head manufacturing method uses a mold set and Performed by a pressure forming device capable of clamping and disassembling, the composition of the mold set is changed according to the shape and configuration of the golf club head to be manufactured, and the pressure forming device comprises an closable seal a container, and a pneumatic acting component and a heating assembly disposed on the closed container, as shown in FIG. 1, the composite golf club head manufacturing method comprises: providing both a carbon fiber composite material and a metal material a step of forming a ball striking panel of any one of the materials, forming a fitting portion on the back side of the ball striking panel; laminating the plurality of carbon fiber composite prepreg laminates in the mold group in the mold opening state, and placing the same After hitting the panel, the mold is combined to form a club head priming, which is formed by laminating a plurality of the carbon fiber composite prepregs a head body of the handle, the front end of the head body is embedded in the fitting portion of the back side of the ball striking panel to form the club head embryo; using a pressure forming device to have a club head embryo The mold group is subjected to a vacuum negative pressure and a heating action step, and the mold set with the inner head of the club head is first placed in a bag and sealed, and placed in the closed container, through The closed container applies warming and vacuum negative pressure to the ejector of the club head in the envelope, so that the carbon fiber composite prepreg in the initial head of the club head is cross-linked and solidified to form a ball. The semi-finished product of the club head, the mold set is removed, and the semi-finished product of the club head is taken out; and the steps of the corner scrap residue removal and surface processing are applied to the semi-finished product of the club head to form a finished club head.

In the above method for manufacturing a composite golf club head, a plurality of carbon fiber composite prepreg laminates are laminated on a mold set in a mold opening state, and after being placed in the shot panel, the mold is combined to form a club head. In the step of the embryo, the plurality of carbon fiber composite prepreg laminates may be directly formed in the mold directly into a head body having an shank; or the shank may be pre-formed with a carbon fiber composite material. The dipping material is pre-formed, and then placed in a mold set to be combined with a plurality of the carbon fiber composite prepreg laminates to form a head main body having a stem.

And laminating the plurality of carbon fiber composite prepreg laminates in the mold group in the mold opening state, and placing the molds into the mold panel to form a club head initial embryo, the rod handle A metal inner handle member can also be implanted inside, or an adjustable angle rod sleeve assembly can be further implanted. Further, at least one metal weight may be further placed, and the weight is attached to the carbon fiber composite prepreg or coated in the laminate of the carbon fiber composite prepreg.

The composite golf club head of the present invention is made by the above-described composite golf club head manufacturing method, taking the wood head shown in FIG. 2 as an example, the composite golf club head comprising an integrally formed carbon fiber composite material. A hollow head body 10 and a ball striking panel 20 formed of a carbon fiber composite material or a metal material, a front end side of the head body 10 formed by the carbon fiber composite material is integrally formed with a rod handle 30, and the ball striking panel 20 is back A fitting portion 21 is formed on the side, and the front end of the head body 10 is fitted into the fitting portion 21 fixed to 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), and the composite golf club head also includes a head body having a rod handle integrally formed of a carbon fiber composite material, and A ball striking panel is formed by any one of a carbon fiber composite material and a metal material, and the front end of the head body is embedded in a fitting portion fixed to the back side of the ball striking panel.

Based on the prior art method of manufacturing a composite golf club head and the technical means of construction, the present invention can also be realized by various specific embodiments through the use of a plurality of different mold sets, and the following further respectively The method of manufacturing the club head such as the product and the iron head product and the structure of the club head made thereof are described in detail.

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

In the first embodiment of the method for manufacturing a composite golf club head, the mold set includes a head cover mold and a head cover mold, and an upper mold cavity is formed in the head cover mold, and the head cover is formed. Forming a mold cavity in the mold, the head cover mold and the head cover mold can be up and down and combined and can be disassembled and separated. After the head cover mold and the head cover mold are closed, the head cover The mold upper mold cavity and the head lower cover mold lower mold cavity form a head mold cavity, and the head mold cavity corresponds to the shape of the wooden head. The pressure forming device comprises a closed container, a pneumatic action component and a heating component, the closed container is an openable and closable container, and can accommodate the mold set, and the air pressure component and the heating component are disposed on The closed container is used to change the air pressure value inside the closed container by controlled vacuuming or further input of forward air pressure, and the temperature inside the sealed container can be controlled and controlled.

As shown in FIG. 3, the specific implementation steps of the first embodiment of the composite golf club head manufacturing method include: providing a step of forming a ball striking panel pre-formed by any one of a carbon fiber composite material and a metal material, wherein The hitting panel can be formed by using a carbon fiber composite prepreg laminate through a panel mold, or by casting a metal material (for example, titanium alloy, stainless steel, etc.) into a panel mold, or by using a metal sheet to form a shape by forging, etc. Forming a fitting portion on the back side of the ball striking panel; laminating the plurality of carbon fiber composite prepreg layers in the mold group in the mold opening state, and placing the ball striking panel to form a club a step of initializing an embryo by laminating a plurality of the carbon fiber composite prepreg laminates in the head cover mold to form a carbon fiber upper cover portion having a stem, and further stacking the plurality of carbon fiber composite prepreg a layer is attached to the mold cavity of the head cover lower mold to form a carbon fiber lower cover portion; the head cover mold having the carbon fiber upper cover portion and the carbon fiber lower cover The lower cover mold of the club head is clamped up and down, so that the carbon fiber upper cover portion with the stem and the carbon fiber upper cover portion are vertically butt-joined and integrally formed into a head body initial embryo, and the head cover mold and the head cover lower mold are oppositely opposed. At the same time of clamping, the ball striking panel is placed together, and the ball striking panel extends into the inner part of the upper cover cavity and the inner part of the lower cover cavity, and the front end of the head main body of the head body (ie, the front end of the carbon fiber upper cover part and the carbon fiber lower cover part) The front end portion is integrated into the fitting portion on the back side of the hitting panel, and a club head primordial is formed in the head cavity of the mold set in combination with the head body and the ball striking panel; using a closed container pair The mold group with the inner head of the club head is subjected to vacuum negative pressure and heating, and the mold group with the inner head of the club head is first placed in a bag and sealed, and placed in In the closed container of the pressure forming device, the heating element and the air pressure acting component are used to warm the air pressure of the club head in the envelope and the pressure of the vacuum by the closed container, or further pass through the closed container. Pair of balls inside The outside of the envelope of the mold set of the head embryo is subjected to the input positive pressure action, etc., and the carbon fiber composite prepreg stack in the head of the club head is pressurized and added by the pressure equalization of the air pressure. The temperature action produces a cross-linking reaction and solidifies to form a club head semi-finished product, and then the mold set is removed, and the club head semi-finished product is taken out; and the club head semi-finished product is subjected to a corner residue removal and surface processing step. It is a finished club head with a wooden head.

In the first embodiment of the method for manufacturing a composite golf club head, a plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and after being placed in the shot panel, the mold is combined to form a mold. In the step of a club head priming, a plurality of the carbon fiber composite prepreg laminates are attached to the head cap mold, and directly form a carbon fiber upper cover portion having a shank; or the shank is further The carbon fiber composite prepreg may be pre-formed, and then placed in a mold set and laminated with a plurality of the carbon fiber composite prepreg to form a carbon fiber upper cover portion having a stem. The inside of the handle can be further implanted with a metal inner member.

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

In the first embodiment of the method for manufacturing a composite golf club head, the plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and placed in the shot panel, the mold combination mold In the step of forming a club head priming, the plurality of carbon fiber composite prepreg layers are laminated on the head back cover mold to form a carbon fiber back cover portion, and at least one can be further inserted. A weight of a metal material, wherein the weight may be a block made of a tungsten metal material having a specific gravity larger than that of the iron-based metal material or other materials. Wherein, after the carbon fiber composite prepreg of the carbon fiber back cover portion is laminated, the weight is attached and fixed to the inner surface of the carbon fiber back cover portion; or the carbon fiber composite of the carbon fiber back cover portion When the material prepreg is laminated, the weight is placed inside the carbon fiber composite prepreg laminate, that is, the stack of the carbon fiber composite prepreg coated with the weight of the carbon fiber back cover portion. in.

A first embodiment of a wood head type composite golf club head made by the first embodiment of the composite golf club head manufacturing method, as shown in FIG. 4, comprising a carbon fiber composite material The head body 10A, a ball striking panel 20A formed of a carbon fiber composite material or a metal material, and a rod handle 30A formed of a carbon fiber composite material.

As shown in FIG. 4, according to the first embodiment of the composite golf club head manufacturing method, the handle and the hitting panel are respectively placed in a mold group in a mold opening state, and the plurality of carbon fiber composite materials are After the prepreg laminate is applied to the mold group in the mold opening state, the mold assembly mold step simulates laminating the plurality of carbon fiber composite prepreg laminates on the head mold of the head cover mold to form a carbon fiber cover. And a three-dimensional exploded view of the golf club head forming a carbon fiber lower cover portion by laminating a plurality of carbon fiber composite prepreg layers to the mold cavity of the head cover lower mold. As shown in FIG. 5, the head main 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 joined to each other and integrally formed. As shown in FIG. 4 and FIG. 5, the back side of the ball striking panel 20A is formed with a fitting portion 21A having a rearward opening, and the front end of the head body 10A is fitted into the fitting portion 21A on the back side of the ball striking panel 20A. The rod handle 30A is integrally formed on the front end side of the head body 30A.

In the configuration of the first embodiment of the wood head type composite golf club head, a metal inner handle member may be further disposed inside the shaft. Alternatively, an adjustable angle rod sleeve assembly can be further implanted, and the adjustable angle rod sleeve assembly can be selected from known components, which are constructed here, and will not be described again. The carbon fiber lower cover portion has at least one metal weight, the weight may be attached to the inner surface of the carbon fiber lower cover portion, or the weight is coated and fixed The inside of the carbon fiber lower cover portion.

When the golf club head is a wooden club head, the composite golf club head manufacturing method of the present invention can also be achieved by the following second embodiment, and the second embodiment of the composite golf club head manufacturing method also uses a mold. The group is executed with a pressure forming device. The second embodiment of the composite golf club head manufacturing method adopts a front and rear combined mold structure, and replaces the mold set of the upper and lower combined mode in the first embodiment of the front composite golf club head manufacturing method. That is, the mold set used in the second embodiment of the composite golf club head manufacturing method comprises a head front cover mold and a head back cover mold, and a front mold hole is formed in the head front cover mold, the rod A rear mold cavity is formed in the head back cover mold, and the head front cover mold and the head back cover mold can be combined and removed before and after the mold can be disassembled and separated, and the head front cover mold and the head back cover mold are closed. Thereafter, the front cover mold of the head cover mold and the front cover mold of the head cover are combined into a head cavity, and the head cavity corresponds to the shape of the wooden head.

The pressure forming device used in the second embodiment of the composite golf club head manufacturing method is the same as the first embodiment described above, and also includes a closed container, a pneumatic acting component and a heating component, and the closed container system An openable and closable container capable of accommodating the mold set, wherein the air pressure acting component and the heating component are disposed on the closed container for controlled vacuuming (or further inputting positive air pressure) The air pressure value inside the closed container, and the temperature inside the closed container can be controlled to be controlled.

As shown in FIG. 6, the specific implementation steps of the second embodiment of the composite golf club head manufacturing method include: providing a step of forming a hitting panel preformed by any one of a carbon fiber composite material and a metal material, The ball striking panel may be formed by using a carbon fiber composite prepreg laminate by a panel mold, or by casting a metal material (for example, titanium alloy, stainless steel, etc.) into a panel mold, or by using a metal sheet to form a shape by forging, etc. Forming a fitting portion on the back side of the ball striking panel; laminating a plurality of carbon fiber composite prepreg laminates in a die set in a mold opening state, and placing the ball striking panel to form a club a step of initializing the embryo, placing the ball striking panel in a cavity before the head cover mold, and laminating the plurality of carbon fiber composite prepreg layers on the front cavity of the head cover mold Forming a carbon fiber front cover portion having a shank, the front end portion of the carbon fiber front cover portion is fitted into the fitting portion on the back side of the ball striking panel, and the plurality of carbon fiber composite prepreg laminates are laminated on a carbon fiber back cover portion is formed in the head back cover mold; the head front cover mold is relatively closed with the head back cover mold, and the carbon fiber front cover portion of the front cover mold is combined with the hitting panel The carbon fiber back cover portion in the mold of the head cover is integrally joined to the front and back of the head of the carbon fiber, and is integrally formed into a head body of the head body; and the mold set of the inner head of the club head is pressurized and heated by using a closed container. The step of the action is that the mold set with the inner head of the club head is placed in a bag and sealed, and placed in the closed container, and the closed container is passed through the heating element and the air pressure acting component. The bulb head in the envelope is heated by the primordial and vacuum negative pressure, or further, the external pressure is applied to the outside of the envelope of the mold set containing the head of the club head through the closed container. Etc., the carbon fiber composite prepreg in the club head embryo is laminated and cross-linked to form a club head semi-finished product, and then the mold set is removed, and the club head semi-finished product is taken out; and the ball is The semi-finished product of the club head is subjected to corner residue removal The step of processing with the surface is a finished product of a club head type.

In a second embodiment of the method for manufacturing a composite golf club head, a plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and after being placed in the shot panel, the mold is combined to form a mold. In the step of the first embryo of the club head, the plurality of carbon fiber composite prepreg laminates may be laminated on the front mold cavity of the head cover mold of the club head to directly form a carbon fiber upper cover portion having a shaft; or The rod handle may also be pre-formed with a carbon fiber composite prepreg, and then placed in the head front cover mold and combined with a plurality of the carbon fiber composite prepreg laminate to form a rod having a stem. Carbon fiber upper cover. The inside of the shaft can be further implanted with a metal inner part of the rod or further inserted into the adjustable angle rod sleeve assembly.

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

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

A construction of a wood head type composite golf club head made by the second embodiment of the composite golf club head manufacturing method, as shown in FIG. 7, comprising a head body 10B formed of a carbon fiber composite material A ball striking panel 20B formed of a carbon fiber composite material or a metal material, and a rod shank 30B formed of a carbon fiber composite material, which is an integrally formed carbon fiber front cover portion 11B and a carbon fiber back cover portion 12B. The front side of the ball striking panel 20B is formed with a fitting portion 21B whose opening faces rearward, and the front end of the carbon fiber front cover portion 11B is fitted into the fitting portion 21B on the back side of the ball striking panel 20B, and the rod is integrally integrated. The shank 30B is integrally formed on the front end side of the carbon fiber front cover portion 11B.

Further, a metal inner member of the rod can be further disposed inside the shaft of the carbon fiber composite material. Alternatively, an adjustable angle rod sleeve assembly can be further implanted, and the adjustable angle rod sleeve assembly can be selected from known components, which are constructed here, and will not be described again. The carbon fiber back cover portion has at least one metal weight, the weight may be attached to the inner surface of the carbon fiber back cover portion, or the weight may be coated It is fixed to the inside of the carbon fiber back cover.

When the golf club head is an iron head, an embodiment of the composite golf club head manufacturing method of the present invention is also performed using a mold set and a pressure forming apparatus, the mold set including a head front cover mold and A head back cover mold, the head front cover mold and the head back cover mold can be combined and disassembled before and after the mold, and after the mold is combined, a mold head corresponding to the iron head shape is formed inside the mold. The pressure forming device comprises an openable and closable container, and an air pressure acting component and a heating component disposed on the closed container. As shown in FIG. 8, the composite golf club head manufacturing method embodiment includes: providing a ball striking panel preformed from a carbon fiber composite material and a metal material (for example, titanium alloy, stainless steel, etc.). a step of forming a fitting portion on the back side of the ball striking panel; laminating the plurality of carbon fiber composite prepreg layers in the mold group in the mold opening state, and placing the ball striking panel to form a mold a step of initializing a club head, wherein a plurality of carbon fiber composite prepreg layers are laminated in the head back cover mold to form a carbon fiber back cover portion having a stem, and the hitting panel is placed In the head front cover mold, the head front cover mold and the head back cover mold are relatively closed, and the carbon fiber back cover portion is integrally formed with the head body of the head body, so as to be located in the head back cover mold The front end of the carbon fiber back cover portion is embedded in the fitting portion on the back side of the ball striking panel, and a club head primordial is formed in the mold group; the vacuum mold is applied to the mold group with the club head primordial in the closed container. a step of pressing and warming, The mold set with the inner head of the club head is placed in a bag and sealed, and placed in the closed container, and the sealed component is used in the sealed bag by the heating component and the pneumatic component. The initial pressure of the club head is heated and the air pressure of the vacuum is applied to laminate the carbon fiber composite prepreg in the initial head of the club head to form a club head semi-finished product, and then the mold set is demolded. And taking out the semi-finished product of the club head; and applying the corner residue removal and surface processing to the semi-finished product of the club head, and the finished product of the club head of the iron head type.

In an embodiment of the method for manufacturing a composite golf club head, the plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and after being placed in the shot panel, the mold is combined to form a mold. In the step of a club head initial embryo, a plurality of the carbon fiber composite prepreg laminates are laminated in the head back cover mold, and directly form a carbon fiber back cover portion having a rod handle; or the rod The handle may also be pre-formed with a carbon fiber composite prepreg, and then placed in the head back cover mold, combined with a plurality of the carbon fiber composite prepreg laminates to form a carbon fiber back with a stem. Cover. The inside of the handle can be further implanted with a metal inner member.

In the embodiment of the method for manufacturing a composite golf club head, the step of applying a vacuum negative pressure and a warming action to a mold set having a club head initial embryo using a closed container is performed by a closed container to the ball. The head primordial is subjected to warming and vacuuming. The air pressure value and the temperature value are set according to conditions such as the shape of the finished iron head of the iron head and the thickness of the carbon fiber composite laminate, wherein the heating temperature is 40 ° C to 250 ° C, and the vacuum pressure is - From 0.1 mbar to -1000 mbar, the duration of action is from about 1 min to 60 min. When the closed vessel is selected from the autoclave, the club head priming can be subjected to heating, vacuuming and input positive air pressure, wherein the positive pressure is input from 2 bar to 100 bar. The gas pressure value and the temperature value may also be determined according to the hot pressing conditions required for the formation cycle of the carbon fiber composite prepreg cross-linking reaction, and the gas pressure value and the temperature value at different time points are set by the program control means to make the carbon fiber composite material. The prepreg is formed under pressure and heating to form a high compact and dense carbon fiber composite solid.

In the embodiment of the method for manufacturing a composite golf club head, the plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and after being placed in the shot panel, the mold assembly mold is In the step of forming a club head embryo, at least one metal weight is further disposed, and the weight may be made of a tungsten metal material or other materials having a specific gravity greater than that of the iron metal material. Block. Wherein, after the carbon fiber composite prepreg is laminated on the carbon fiber back cover portion, the weight is attached and fixed to the inner surface of the carbon fiber back cover portion, or carbon fiber composited on the carbon fiber back cover portion. When the material prepreg is laminated, the weight is placed inside the carbon fiber composite prepreg laminate, that is, the weight is coated on the carbon fiber composite prepreg of the carbon fiber back cover portion. In the laminate.

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

Further, a metal inner member of the rod can be further disposed inside the shaft of the carbon fiber composite material. Alternatively, an adjustable angle rod sleeve assembly can be further implanted, and the adjustable angle rod sleeve assembly can be selected from known components, which are constructed here, and will not be described again. Further, a carbon fiber back cover portion formed by the carbon fiber composite material may further be provided with a metal weight, and the weight may be attached and fixed to the inner surface of the carbon fiber back cover portion, or the weight block may also be It may be coated and fixed inside the carbon fiber back cover portion.

It can be seen from the description of the method and structure of the prior art composite golf club head manufacturing method that the present invention mainly uses a closed container to apply vacuum vacuum to a mold set having a club head initial embryo after clamping. (or further input positive pressure) and heating, so that the carbon fiber composite material of the initial stage of the carbon fiber composite material is heated in the warm environment, and the carbon fiber composite material in the initial embryo of the club head is pre-prepared by the pressure equalization of the air pressure. The dipping material laminate is solidified by a crosslinking reaction by pressurization and heating, so that the head body of the carbon fiber composite material after forming can reach a uniform quality level. At the same time, the rod head is directly formed by the head body formed by the carbon fiber composite material in the mold set, and the front end of the head body is directly embedded in the fitting portion on the rear side of the hitting panel, and is directly disposed in the mold set in combination with the rod handle, together with The pressure of the closed container is integrally formed in the environment of heating and warming, so that the joint body of the rod head integrally formed with the rod handle and the hitting panel have excellent joint stability, and no need to adhere through adhesion or the like. Fixed.

Secondly, in the step of applying pressure and warming to the mold set with the inner head of the club head in the closed container, the pressure value and the temperature value can be determined according to the cross-linking reaction of the carbon fiber composite prepreg. The hot pressing conditions required for the formation cycle are set by the program control means such as the air pressure value and the temperature value at different time points, so that the excess resin in the carbon fiber composite prepreg is extruded from the carbon fiber and remains in the carbon fiber composite material. The bubbles in the dip material are taken out, so that the carbon fiber composite prepreg is pressed and heated, and the carbon fiber composite material is turned into a compact and compact object, compared with the existing composite golf club head, the invention It has the economic benefits of reducing manufacturing costs and working hours.

10, 10A, 10B‧‧‧ head head

10C‧‧‧Carbon fiber back cover

11A‧‧‧carbon fiber upper cover

12A‧‧‧carbon fiber lower cover

11B‧‧‧Carbon fiber front cover

12B‧‧‧Carbon fiber back cover

20, 20A, 20B, 20C‧‧‧ hitting panel

21, 21A, 21B, 21C‧‧‧ fittings

30, 30A, 30B, 30C‧‧‧ rods

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

Claims (18)

A method for manufacturing a composite golf club head, which is performed using a mold set and a pressure forming device, the pressure forming device comprising an openable and closable closed container, and a gas pressure acting on the closed container The assembly and a heating assembly, the composite golf club head manufacturing method comprising: providing a step of forming a ball striking panel preformed from any one of a carbon fiber composite material and a metal material, the back side of the ball striking panel forming a fitting a step of laminating a plurality of carbon fiber composite prepreg layers in a mold set in a mold opening state, and placing the molds in the mold panel to form a club head initial embryo, which is a plurality of The carbon fiber composite prepreg is laminated to form a head body initial body having a shaft, and the front end of the head body is embedded in the fitting portion on the back side of the ball striking panel to form the club head embryo The pressure forming device is used to apply a vacuum negative pressure and a warming action to the mold set with the inner head of the club head, and the mold set with the inner head of the club head is first placed in a bag inner seal. After being placed in the closed container, the closed head of the club head is subjected to heating and vacuum negative pressure to make the carbon fiber composite material in the initial head of the club head. The prepreg is laminated and cross-linked to form a club head semi-finished product, and then the mold set is removed, 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. The steps are to form a finished club head. The method of manufacturing a composite golf club head according to claim 1, wherein the step of applying a pressure forming device to a mold group having a club head initial embryo by applying a vacuum negative pressure and a heating effect, the heating temperature The pressure is from -0.1 mbar to -1000 mbar and the duration of action is from 1 minute to 60 minutes from 40 ° C to 250 ° C. The method of manufacturing a composite golf club head according to claim 1, wherein the step of applying a vacuum forming and vacuuming to the mold set having the head of the club head using the pressure forming device further includes An external positive air pressure is applied to the outside of the envelope of the mold set in which the head of the club head is placed through the closed container. The method of manufacturing a composite golf club head according to claim 3, wherein the sealing is performed by a vacuum forming device that applies a vacuum negative pressure and a warming action to a mold set having a club head initial embryo. The type of vessel is an autoclave, the heating temperature is 40 ° C to 250 ° C, the pressure value of the vacuum is -0.1 mbar to -1000 mbar, the pressure value of the input positive pressure is 2 bar to 100 bar, and the action time is 1 min to 60 min. The method of manufacturing a composite golf club head according to any one of claims 1 to 4, wherein the plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and placed After the ball striking panel, the mold is combined to form a club head ejector, and a metal shank inner part is implanted inside the shank. The method of manufacturing a composite golf club head according to any one of claims 1 to 4, wherein the plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and placed After the ball striking panel, in the step of forming the club head to form the club head ejector, further, at least one metal material weight block is further disposed, and the weight block is attached to the carbon fiber composite prepreg or Wrapped in the laminate of the carbon fiber composite prepreg. The method of manufacturing a composite golf club head according to any one of claims 1 to 4, wherein the mold set comprises a head cover mold and a head cover mold, the head cover mold and the head The lower cover mold can be up and down and combined with the mold and the mold; the plurality of carbon fiber composite prepreg is laminated on the mold group in the mold opening state, and after the shot panel is placed, the mold is combined to form a mold In the step of the head of the club head, a plurality of the carbon fiber composite prepreg is laminated on the head cover mold to form a carbon fiber upper cover portion having a shaft, and the plurality of carbon fiber composite materials are further The prepreg layer is laminated on the head cover lower mold to form a carbon fiber lower cover portion, and the shot cover panel is placed together with the rod head cover mold and the head cover lower cover mold, and has a handle The carbon fiber upper cover portion and the carbon fiber upper cover portion are vertically butt-joined to form the head body of the head body. The method of manufacturing a composite golf club head according to claim 7, wherein the plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and placed in the shot panel. In the step of forming the club head ejector, the mold further comprises at least one metal weight component, and the weight block is attached to the carbon fiber composite prepreg or the package of the carbon fiber lower cover part. A laminate of carbon fiber composite prepregs overlying the carbon fiber lower cover. The method of manufacturing a composite golf club head according to any one of claims 1 to 4, wherein the mold set comprises a head front cover mold and a head back cover mold, the head front cover mold and the The head back cover mold can be combined with the mold and the mold before and after; the plurality of carbon fiber composite prepreg laminates are laminated in the mold group in the mold opening state, and after being placed in the shot panel, the mold combination mold is In the step of forming the club head ejector, the ball striking panel is placed in the club head front cover mold, and a plurality of the carbon fiber composite prepreg laminate layers are attached to the club head front cover mold Forming a carbon fiber front cover portion having a shank, the front end portion of the carbon fiber front cover portion is embedded in the fitting portion on the back side of the ball striking panel, and the plurality of carbon fiber composite prepreg laminate layers are attached to the club head In the back cover mold, a carbon fiber back cover portion is formed, and the head front cover mold is relatively closed with the head back cover mold, so that the carbon fiber front cover portion combined with the hitting panel and the carbon fiber back cover portion are butt-joined to form a joint The head of the head body is described as an embryo. The method of manufacturing a composite golf club head according to claim 9, wherein the plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and placed in the shot panel, In the step of forming the club head ejector, the at least one metal material weight block is further disposed, and the weight block is attached to the carbon fiber composite material prepreg or the package of the carbon fiber back cover portion. Covering the carbon fiber composite prepreg of the carbon fiber back cover portion. The method of manufacturing a composite golf club head according to any one of claims 1 to 4, wherein the mold set comprises a head front cover mold and a head back cover mold, the head front cover mold and the The head back cover mold can be combined with the mold and the mold before and after; the plurality of carbon fiber composite prepreg laminates are laminated in the mold group in the mold opening state, and after being placed in the shot panel, the mold combination mold is In the step of forming the head of the club head, the ball striking panel is placed in the head cover mold, and the plurality of carbon fiber composite prepreg layers are laminated on the head back cover mold to form a carbon fiber back cover portion of the shaft, the carbon fiber back cover portion is the head blank of the head body, and the head front cover mold is relatively closed with the head back cover mold, so that the carbon fiber back cover front end of the joint handle is combined The club head primordial is formed in the mold set embedded in the fitting portion on the back side of the ball striking panel. The method of manufacturing a composite golf club head according to claim 11, wherein the plurality of carbon fiber composite prepreg laminates are laminated in a mold set in a mold opening state, and placed in the shot panel. In the step of forming the club head ejector, the mold is further placed with at least one metal weight, and the weight is attached to the carbon fiber composite prepreg or the package of the carbon fiber back cover. Covering the carbon fiber composite prepreg of the carbon fiber back cover portion. A composite golf club head made by the method of manufacturing a composite golf club head according to claim 1, 2, 3, 4, 7 or 9, the composite golf club head comprising a carbon fiber composite material a hollow head body, and a ball striking panel formed by any one of a carbon fiber composite material and a metal material, wherein a front end of the head body of the carbon fiber composite material is integrally formed with a rod handle, The back side of the ball striking panel forms a fitting portion, and the front end of the club head body is embedded in a fitting portion fixed to the back side of the ball striking panel. The composite golf club head according to claim 13, wherein the club head body formed of the carbon fiber composite material has at least one metal weight. The composite golf club head according to claim 13 or 14, wherein the handle is internally filled with a metal inner member. A composite golf club head made by the composite golf club head manufacturing method of claim 11, the composite golf club head comprising a carbon fiber back cover formed of a carbon fiber composite material, and carbon fiber One of the composite material and the metal material is formed into a ball striking panel, and a front end of the carbon fiber back cover portion is integrally formed with a rod handle, and the back side of the ball striking panel forms a fitting portion, and the carbon fiber back cover portion is formed The front end is embedded in a fitting portion fixed to the back side of the ball striking panel. The composite golf club head according to claim 16, wherein the carbon fiber composite material has at least one metal weight in the carbon fiber back cover portion. A composite golf club head according to claim 16 or 17, wherein the handle is internally filled with a metal inner member.