TWI522146B - Golf club head and manufacturing method thereof - Google Patents

Description

Golf club head and method of manufacturing same

The present invention relates to a sporting article and a method of manufacturing the same, and more particularly to a golf club head and a method of manufacturing the same.

When performing golf, it is necessary to apply a considerable impact force to the golf ball with the club, and the golf club head is directly in contact with the golf ball. The so-called work must be sharpened first, and it is hoped that it will proceed. There is a good performance in golf, and there must be considerable requirements in the production method, material properties and processing of the club head.

In recent years, fiber materials have been widely used in various technical fields. When applied to golf club heads, they are usually combined with non-metallic materials to form a complete golf club head shape, and will be made of metal materials. As an accessory, the function of the metal fitting is mainly the reinforcement of the weight or strength of the golf club head. In the conventional method, the fiber prepreg is pre-impregnated into the resin, and the resin is exuded by heating. After the resin is cured, the shape surrounded by the fiber prepreg can be shaped into a fiber shape, and then the injection molding method is used to make the non-predging method. The metal material is bonded to the fiber, and finally the metal head is joined by adhesive bonding to form the club head.

However, when the golf club head is manufactured by the above method, it is necessary to use two molds respectively during hot press forming and injection molding, so that not only The use of two molds also consumes material costs because it is time consuming to complete the molding in a one-off process. When using an adhesive to join metal and non-metal parts, the adhesion of the two materials to the adhesive used must be considered. If the adhesion is insufficient and the bonding is affected, sandblasting is usually used, or the surface is additionally The surface treatment of the treatment agent improves the adhesion ability, so that not only the process is complicated and time consuming, but also the use of the adhesive when combining different materials also increases the material cost, and thus the disadvantages of the above process must be overcome in the production.

Accordingly, it is an object of the present invention to provide a method of making a golf club head that employs a one-time process and that does not use an adhesive when incorporating different materials.

Thus, the method of manufacturing the golf club head of the present invention comprises: a preparation step, a laying step, and a forming step.

The preparation step is to prepare a mold comprising a flow path for introducing the material for injection molding.

The laying step is to lay a prepreg made of a thermoplastic continuous fiber composite material into the mold.

In the molding step, the prepreg is hot pressed by the mold to melt the prepreg into a molten fiber layer, and a non-metallic material is introduced through the flow path, and the molten fiber layer is combined into a thermoplastic continuous. A finished layer of golf club head having an average thickness of the fiber composite of between 0.2 and 1.5 mm.

The method for manufacturing the golf club head of the present invention can also include: A preparation step, a positioning step, a laying step, and a forming step.

The preparation step is to prepare a mold comprising at least one positioning portion and a flow path for introducing the material for injection molding.

The positioning step is to place at least one metal fitting at the positioning portion, and the metal fitting and the positioning portion have a shape that cooperates with each other.

The laying step is to lay a prepreg made of a thermoplastic continuous fiber composite material into the mold.

In the molding step, the prepreg is hot pressed by the mold to melt the prepreg into a molten fiber layer, and a non-metallic material is introduced through the flow path, and the molten fiber layer is combined into a thermoplastic continuous. The fiber composite has a golf club head finished layer having an average thickness of between 0.2 and 1.5 mm and is formed with the metal fitting.

Another object of the present invention is to provide a golf club head capable of bonding a fibrous material and a non-metallic material without using an adhesive.

The golf club head of the present invention comprises a finished golf club head layer which is hot pressed by a thermoplastic continuous fiber composite material and simultaneously introduced into a non-metal material for injection molding, wherein the thermoplastic continuous fiber composite material is used in the golf ball. The average thickness in the finished layer of the club head is 0.2 to 1.5 mm.

Still another object of the present invention is to provide a golf club head which can be combined with a fibrous material, a non-metallic material, and a metallic material without using an adhesive in the process.

The golf club head of the present invention comprises a thermoplastic continuous fiber The composite material is hot pressed, and at the same time, a non-metallic material is introduced for injection molding to form a finished golf club head layer, and the golf club head finished layer is formed together with at least one metal fitting, wherein the thermoplastic continuous fiber composite material The average thickness in the finished layer of the golf club head is 0.2 to 1.5 mm.

The utility model has the advantages that: when the golf club head is processed, the same mold can be used for the one-time process, and the hot pressing and injection molding steps are simultaneously performed, and the non-metal material and the thermoplastic can be used without using an adhesive. The continuous fiber composite material is molded together, or a metal fitting made of a metal material, a non-metal material, and the thermoplastic continuous fiber composite material are molded together.

101‧‧‧Preparation steps

102‧‧‧ laying steps

103‧‧‧Molding steps

111‧‧‧Preparation steps

112‧‧‧ Positioning steps

113‧‧‧ laying steps

114‧‧‧Molding steps

2‧‧‧Mold

21‧‧‧ Positioning Department

22‧‧‧ flow path

221‧‧‧First Road Department

222‧‧‧Second Road Department

3‧‧‧Golf club head

31‧‧‧Metal fittings

31’‧‧‧Metal fittings

311‧‧‧Matement Department

32‧‧‧Prepreg

320‧‧‧ thermoplastic continuous fiber composites

321‧‧‧ hole

322‧‧‧through holes

32'‧‧‧Fusing fiber layer

33‧‧‧Non-metallic materials

33’‧‧‧ Non-metallic components

34‧‧‧Golf head finished layer

Other features and advantages of the present invention will be apparent from the embodiments of the present invention. FIG. 1 is a flow chart illustrating a first preferred embodiment of the method of manufacturing the golf club head of the present invention; 2 is a schematic view showing the detailed steps of the first preferred embodiment; FIGS. 3 and 4 are cross-sectional views showing the shape of a finished golf club head made by the first preferred embodiment; FIG. Is a schematic view showing another embodiment of the first preferred embodiment; FIG. 6 is a cross-sectional view showing the shape of the finished golf club head made in the embodiment of FIG. 5; FIG. A flow chart illustrating a method of manufacturing a golf club head of the present invention The second preferred embodiment; FIG. 8 is a schematic view showing the detailed steps of the second preferred embodiment; FIG. 9 is a cross-sectional view showing the positioning portion of a mold used in the second preferred embodiment; 10 is a cross-sectional view showing the shape of the finished golf club head made by the second preferred embodiment; FIG. 11 is a perspective view showing a golf club head manufactured by the second preferred embodiment And FIG. 12 is a cross-sectional view, and FIG. 11 is assisted.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1 and 2, a first preferred embodiment of the method of manufacturing a golf club head of the present invention includes a preparation step 101, a laying step 102, and a forming step 103.

This preparation step 101 is to prepare a mold 2 which includes a flow path 22 for introducing the material for injection molding.

The laying step 102 is to lay a prepreg 32 made of a thermoplastic continuous fiber composite material, which is carbon fiber, glass fiber, aramid fiber, basalt fiber, boron fiber, and the like. And one of the carat fibers.

In the molding step 103, the prepreg 32 is hot-pressed by the mold 2, and the prepreg 32 is melted into a molten fiber layer 32', and a non-metallic material 33 is ejected through the flow path 22. Import, the pre The dip cloth 32 melts after heating to have plasticity and is easily bonded to the non-metal material 33. The non-metallic material 33 is combined with the molten fiber layer 32' to form a finished golf club head layer 34 having a thickness of the thermoplastic continuous fiber composite of between 0.2 and 1.5 mm. The non-metallic material 33 not bonded to the molten fiber layer 32' is also molded into a specific non-metallic member 33' in accordance with the predetermined shape of the mold 2.

Referring to Figures 3 and 4, the golf club head of the present invention comprises a finished golf club head layer 34 which is hot pressed by a thermoplastic continuous fiber composite material 320 and simultaneously introduced into a non-metallic material 33 for injection molding. Wherein the thermoplastic continuous fiber composite 320 in the finished golf club head layer 34 has an average thickness of from 0.2 to 1.5 mm.

The golf club head finished layer 34 made by the first preferred embodiment can be made into the non-metallic material 33 of the golf club head finished layer 34 and the thermoplastic continuous fiber composite material 320 as shown in FIG. Layered overlap. Alternatively, as shown in Figure 4, the non-metallic material 33 of the finished golf club head layer 34 can be formed into at least one non-metallic member 33' and lapped over the thermoplastic continuous fiber composite 320.

Referring to FIG. 5, another embodiment of the first preferred embodiment differs from the above embodiment in that the flow path 22 of the mold 2 has a first branch portion 221 and a second branch that are different from each other. In the channel portion 222, a through hole 322 communicating with the first branch portion 221 is defined in the prepreg 32. When the molding step 103 is performed, the non-metallic material 33 flows from the first branch portion 221 through the through hole 322 into the mold 2, and flows into the mold 2 from the second branch portion 222, so that the non-metal material 33 can From the molten fiber layer 32' The opposite faces of the molten fiber layer 32' are coated.

Referring to FIG. 6, in order to utilize the finished golf club head layer 34 made by another embodiment of the first preferred embodiment, the thermoplastic continuous fiber composite material 320 may be coated with a non-metallic material 33. As such, a finished golf club head layer 34 made of another material structure is provided for selection.

Referring to Figures 7 and 8, a second preferred embodiment of the method of manufacturing a golf club head of the present invention includes a preparation step 111, a positioning step 112, a laying step 113, and a forming step 114.

The preparation step 111 is to prepare a mold 2 comprising two mutually spaced positioning portions 21 and a flow path 22 for introducing the material for injection molding.

The positioning step 112 is to place the two metal fittings 31 at the positioning portions 21, and each of the metal fittings 31 has a mating portion 311 matching the shape of the corresponding positioning portion 21, and each metal fitting 31 is supported by the mating portion. The 311 is positioned on the corresponding positioning portion 21. When each positioning portion 21 is a bump as shown in FIG. 8, the engaging portion 311 of each metal fitting 31 is a groove that fits the bump, and each positioning portion 21 is a concave as shown in FIG. In the groove, the fitting portion 311 of each metal fitting 31 is a bump that fits the groove. It should be particularly noted that each positioning portion 21 and the fitting portion 311 of each metal fitting 31 can achieve the effect by being able to cooperate with each metal fitting 31 at a specific position of the mold 2 as long as the shapes can cooperate with each other. It is limited to the aspect disclosed in FIG. 8 or FIG. 9.

Referring to FIG. 7 and FIG. 8, the laying step 113 is to lay a prepreg 32 made of a thermoplastic continuous fiber composite material on the mold 2. The thermoplastic continuous fiber composite material is one of carbon fiber, glass fiber, aramid fiber, basalt fiber, boron fiber, and carat fiber. It should be particularly noted that the prepreg 32 is provided with two holes 321 through which the metal fittings 31 pass, so as to prevent the prepreg 32 from being completely attached to the mold 2.

In the molding step 114, the prepreg 32 is hot-pressed by the mold 2, and the prepreg 32 is melted into a molten fiber layer 32', and a non-metallic material 33 is ejected through the flow path 22. After introduction, the prepreg 32 is melted after heating to have plasticity, and is easily bonded to the non-metal material 33. The non-metallic material 33 is combined with the molten fiber layer 32' to form a finished golf club head layer 34 having a thickness of the thermoplastic continuous fiber composite material of between 0.2 and 1.5 mm, and is formed together with the metal fittings 31.

Referring to FIG. 10, the golf club head of the present invention comprises a golf club head finished layer 34 which is hot pressed by a thermoplastic continuous fiber composite material 320 and simultaneously introduced into a non-metallic material 33 for injection molding. The finished product layer 34 is formed with at least one metal fitting 31, wherein the average thickness of the thermoplastic continuous fiber composite 320 in the golf club head finish layer 34 is from 0.2 to 1.5 mm. The golf club head finished layer 34 made by the second preferred embodiment can form the non-metallic material 33 and the thermoplastic continuous fiber composite material 320 as the finished product of the golf club head as shown in FIG. 34, and is formed together with the metal fitting 31.

Referring to Figure 11, a manufacturing method using the second preferred embodiment The golf club head 3, wherein the metal fittings 31 are weight members, so that the weight distribution of the golf club head 3 is relatively balanced, and the user can easily maintain the stability of the swinging trajectory when swinging the golf club. In order to enable the golf club head 3 to hit the golf ball according to the action of the user's operation.

Referring to FIG. 11 and FIG. 7 and FIG. 8, it is to be noted that, when the positioning step 112 of the preferred embodiment is performed, the metal fittings 31 are used as the weight members except for the type shown in FIG. It may also be a metal fitting 31' which is in the form of a sheet as shown in Fig. 11, and the metal fitting 31' has a function of reinforcing the overall structure. The metal fitting 31 that can be formed in the preferred embodiment can be positioned on the positioning portion 21 in accordance with the design of the positioning portion 21, that is, the golf club head 3 can be formed by matching molding. 8 and the type disclosed in FIG. 11 is limited.

Referring to Figure 12 and in conjunction with Figure 8, the interior of the golf club head 3 is formed with a non-metallic member 33' made of the non-metallic material 33. The non-metallic member 33' has a supporting effect and can strengthen the golf club. The overall strength of the head 3. The type of the non-metallic member 33' can be freely designed in accordance with the mold 2, as long as the effect of strengthening the overall strength can be achieved, and is not limited to the type disclosed in Fig. 12.

In summary, the first and second preferred embodiments utilize a single mold 2 and manufacture the golf club head 3 in a one-off process. In the first preferred embodiment, the thermoplastic continuous fiber composite material and the non-metal material can be bonded without using an adhesive. In the second preferred embodiment, the required metal fitting 31 is positioned on the positioning portion 21, and the steps of hot pressing and injection molding are simultaneously performed, and the thermoplastic can be combined without using an adhesive. The continuous fiber composite material, the non-metal material, and the metal material are formed into the golf club head 3 in which the metal fitting 31 and the non-metal member 33' are disposed, so that the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

2‧‧‧Mold

22‧‧‧ flow path

32‧‧‧Prepreg

32'‧‧‧Fusing fiber layer

33‧‧‧Non-metallic materials

33’‧‧‧ Non-metallic components

34‧‧‧Golf head finished layer

Claims (15)

A method for manufacturing a golf club head, comprising: a preparation step of preparing a mold, the mold comprising a flow path for introducing the material for injection molding; and a laying step of pre-forming a thermoplastic continuous fiber composite material a dip cloth is laid in the mold; and a molding step of hot pressing the prepreg with the mold to melt the prepreg into a molten fiber layer, and simultaneously introducing a non-metallic material through the flow path, and The molten fiber layer is combined into a finished layer of a golf club head having an average thickness of between 0.2 and 1.5 mm of a thermoplastic continuous fiber composite. The method of manufacturing a golf club head according to claim 1, wherein the flow path of the mold has a first branch portion and a second branch portion, and the first branch is opened on the prepreg a through hole communicating with the channel portion, when the molding step is performed, the non-metal material flows into the mold from the first branch portion through the through hole, and flows into the mold from the second branch portion to enable the non-metal material to be The opposite faces of the molten fiber layer coat the molten fiber layer. The method of manufacturing a golf club head according to claim 1, wherein the thermoplastic continuous fiber composite material is one of carbon fiber, glass fiber, aramid fiber, basalt fiber, boron fiber, and carat fiber. A method for manufacturing a golf club head, comprising: a preparation step of preparing a mold, the mold comprising at least one positioning portion, and a flow passage for introducing the material for injection molding; a positioning step of placing at least one metal fitting at the positioning portion, the metal fitting and the positioning portion are matched to each other; and a laying step of laying a prepreg made of a thermoplastic continuous fiber composite material And a molding step of hot pressing the prepreg with the mold to melt the prepreg into a molten fiber layer, and introducing a non-metallic material through the flow path, and the molten fiber layer The golf club head finished layer is bonded to a thermoplastic continuous fiber composite having an average thickness of between 0.2 and 1.5 mm and formed together with the metal fitting. The method of manufacturing a golf club head according to claim 4, wherein the metal fitting has a fitting portion that matches a shape of the positioning portion, and the metal fitting is positioned at the positioning portion by the fitting portion. The method of manufacturing a golf club head according to claim 5, wherein the positioning portion of the mold is a projection, and the fitting portion is a groove that engages the projection. The method of manufacturing a golf club head according to claim 5, wherein the positioning portion of the mold is a groove, and the fitting portion is a protrusion that fits the groove. The method of manufacturing a golf club head according to claim 4, wherein the metal fitting is a weight member. The method of manufacturing a golf club head according to claim 4, wherein the prepreg is provided with at least one hole through which the metal fittings pass. A method of manufacturing a golf club head according to claim 4, wherein The thermoplastic continuous fiber composite material is one of carbon fiber, glass fiber, aramid fiber, basalt fiber, boron fiber, and carat fiber. A golf club head comprising a finished product of a golf club head which is hot pressed by a thermoplastic continuous fiber composite material and simultaneously introduced into a non-metallic material for injection molding, wherein the thermoplastic continuous fiber composite material is used in the golf ball The average thickness in the finished layer of the head is 0.2 to 1.5 mm. The golf club head of claim 11, wherein the non-metallic material from which the finished golf club head layer is formed and the thermoplastic continuous fiber composite material are layered over each other. A golf club head according to claim 11, wherein the non-metallic material from which the finished layer of the golf club head is made is coated with the thermoplastic continuous fiber composite. A golf club head according to claim 11, wherein the non-metallic material from which the finished golf club head layer is formed forms at least one non-metallic member and is lapped over the thermoplastic continuous fiber composite. A golf club head comprising a finished product of a golf club head made by hot pressing a thermoplastic continuous fiber composite material and simultaneously introducing a non-metallic material for injection molding, the finished product layer of the golf club head and at least one metal fitting Formed together, wherein the thermoplastic continuous fiber composite has an average thickness in the finished layer of the golf club head of from 0.2 to 1.5 mm.