TWI609729B - Golf club head manufacturing method - Google Patents

Description

Golf club head manufacturing method

The invention relates to a golf club head manufacturing method, in particular to a method for manufacturing a golf club head by punching and processing a ball head surface.

In recent years, due to the popularity of golf, golf equipment and related products have become a market that many businesses are keen to develop. When designing a golf club, in order to make a friction between the golf club head and the golf ball when striking, and then rotating the golf ball to extend the distance to be hit, usually a plurality of grooves are formed on the golf club head hitting surface. Slots to improve the performance of the shot. In addition, the material of the striking surface provided with the groove is specially adjusted to be more elastic and tough titanium metal.

The existing golf club head is mainly made by hot forging method. For example, the invention patent case No. I270421 "the golf ball constant temperature forging method" provides a hot forging method for a golf club head, and the steps of the method include: a Providing blanking, taking metal pre-forged material; b, providing constant temperature forging type, the forging material is forged under the same heating temperature as the forming mold, and the preferred temperature is 600 to 1000 ° C c; provide shape processing, its forging type forgings for contouring; d, providing surface treatment, complete forging forgings. However, this type of forging must operate the mold at a high temperature and consume a considerable amount of energy. Moreover, the forging method limits the head to only one material, and cannot change the face of the head. Made of materials such as titanium or alloys, it is difficult to adjust the overall impact performance of the club. In addition, if it is necessary to make the surface effect on the head surface, the conventional method must use a plate with a higher overall height than the cavity. For example, when the maximum height of the cavity is 5 mm, the thickness of the selected plate must be 5.4 mm or above. The required function, this method must remove a large amount of residual material after processing, resulting in material waste. Therefore, the prior art has been improved.

It is an object of the present invention to improve the above-described prior art method of manufacturing a golf club head that has high energy consumption and that cannot be constructed of a plurality of materials.

In order to achieve the above object, the present invention provides a golf club head manufacturing method, which is used in conjunction with a punching die, which includes a male die, a female die, and a die defined by the male die and the master die. The manufacturing method includes the following steps: Step S1. Providing a pair of head face materials that should have a cavity volume, and placing the head face material on the master mold; Step S2. Quickly closing the male mold and the The master mold is pressed against the master mold by the male mold to correspond to the mold cavity deformation; step S3. The head surface material is taken out, and the head surface material is connected to a head member.

Further, the master mold includes a forming seat projected from the mold cavity on the master mold, a ring is disposed on the punching groove of the forming seat, and the male mold includes a pair of punching modules that protrude from the master mold.

Further, in the step S1, the head surface material is slightly larger than the volume of the mold cavity, and the projected area of the head face material and the master mold is smaller than the area of the forming seat.

Further, in the step S2, the following steps are included: the step S21. defines that the part of the head face material corresponding to the cavity is a finished part, and the remaining part is a flashing part. Step S22. Cutting the flash portion.

Further, in step S22, the flashing portion is cut by a numerical control machine tool and a hydraulic trimmer.

Further, the head face material and the material of the head part are selected from the group consisting of iron, copper, steel, titanium or alloys thereof.

Further, the male mold and the master mold are installed in a hydraulic press or a press.

Further, the head face material is a uniform plate member having a volume slightly larger than the volume of the cavity, and the highest height of the cavity is higher than the thickness of the face face.

Therefore, the present invention has the following beneficial effects over the prior art:

1. The invention manufactures a head face material by means of punching and forging, and has a club head which is fast, energy-saving and can be matched with different materials to produce a club head with lighter or higher strength, and the head after punching and forging The strength of the surface material is increased, which is beneficial to maintain the quality and performance of the club. For the punching and forging, the groove or mark can be made on the head surface material with the uneven surface.

2. When the present invention utilizes the punching and forging method to manufacture the head face material, the head face material having a volume slightly larger than the cavity volume is selected, and the highest height of the mold cavity is higher than the thickness of the head face material. After the punching and forging process, the head surface material corresponding to the highest part of the cavity height is higher than the thickness of the head surface material before processing, and the convex shape effect can be produced. Compared with the conventional hot forging method, it is necessary to prepare a plate which is thicker than the whole cavity of the cavity, and then remove a large amount of surplus material after processing, thereby saving material cost.

For a more detailed description of the technical features and operation modes of the present application, and with reference to the illustrations, please refer to the review. In addition, the present invention is not intended to limit the scope of the invention as claimed.

Regarding the technology of the present invention, please refer to FIG. 1 , the present invention provides a golf club head manufacturing method, and the golf club head according to the present invention is not limited to an iron pole, a wood pole or a sand pole, etc., as in the second. As shown in FIG. 3, the method of the present invention is used in conjunction with a punching die 100 comprising a male die 10, a master die 20, and a common die 10 and the master die 20 Define the cavity. The term "head face" as used in the present invention refers to the portion of the face of the golf club head, which has a different appearance depending on the processing stage, and is distinguished by the reference numerals 30a, 30b or 30c in the following description. The head face material is a finished/semi-finished product at each processing stage, which is described first. Referring to Figure 4, the manufacturing method includes the following steps:

First, step S1 is performed to provide a pair of head face materials 30a which should have a cavity volume, and the head face material 30a is placed on the master mold 20. The volume of the cavity can be obtained by the cavity data when the punching die 100 is produced, and the volume of the face face 30a can be obtained through multiple trials to obtain the molded sample, and the control is increased and decreased to obtain the most The head face material 30a is good in size. In this embodiment, the female mold 20 includes a forming seat 21 projected from the mold cavity on the female mold 20 for being placed in the head surface 30a. The female mold 20 further includes a ring disposed thereon. The punching groove 22 of the forming seat 21, and the male die 10 includes a pair of punching modules 11 protruding from the female die 20, and the punching groove 22 can be closed and forged when the male die 10 and the female die 20 are closed. Providing a space for the head surface material 30a to be squeezed and unfolded, to avoid cracking or damage after the processing, and the punching and forging module 11 is provided with a ridge or the like, and correspondingly generating a groove and pattern on the head surface 30a .

The material of the head face material 30a is selected from the group consisting of iron, copper, steel, titanium or alloys thereof, or other metals having ductility and plasticity, which are determined by the needs of the manufacturer. The head surface 30a preferably has a volume slightly larger than the volume of the cavity, and the projected area of the head face 30a and the female die 20 is smaller than the area of the forming seat 21, thereby ensuring the rod after the punch forming The head face material 30a is pressed by the male mold 10 and extruded toward the periphery so that its shape can completely conform to the shape of the cavity.

Referring to FIG. 5-1 and FIG. 5-2, step S2 is successively performed to quickly close the male mold 10 and the female mold 20, so that the head surface material 30a is pressed by the male mold 10 to the female mold 20. In turn, it is necessary to change the cavity. In this step, the male mold 10 and the master mold 20 can be installed in a hydraulic press or a press machine, and a large amount of pressure is generated on the head face material 30a during the punching and forging process. The gap inside the head face material 30a is compressed to increase the density, thereby increasing strength and durability.

Referring to Figs. 6 to 9, finally step S3 is performed to take out the head face materials 30b, 30c and connect the head face materials 30b, 30c to a head member 40. The term "head member" of the present invention refers to the back of a golf club head for weighting the center of gravity of the end of the golf club so that the user can properly apply force to the golf ball when swinging. In addition, since the head face material 30b is subjected to punching and forging, the problem may be caused by flashing, burrs, etc., in the method of the present invention, the step S2 may include the following steps: the step S21. The portion of the face material 30b corresponding to the cavity is a finished portion 31, and the remaining portion is a flash portion 32; and the overflow portion 32 is cut out in step S22. In step S22, the flashing portion 32 can be cut by a numerical control machine tool (CNC) and a hydraulic trimmer to obtain the head face material 30c having a higher quality and a more complete appearance.

Correspondingly, the head face material 30c can be provided with a wire groove to increase the frictional force at the time of hitting the ball to generate the motion of the up and down rotation. In this step, the head face material 30c can be welded, bonded, or formed with a splicing, snapping structure or the like between the head face material 30c and the head member 40. In addition, the material of the head member 40 can be different from the head surface 30c, and the manufacturer can adjust an appropriate material according to requirements, which is not limited herein. Referring to FIG. 4, in the embodiment, the head face material 30a is a uniform plate member having a volume slightly larger than the volume of the cavity, and the highest height of the cavity is compared with the head face 30a. The thickness is higher. Referring to FIG. 7 again, after processing, the head surface material 30c corresponds to the highest height portion of the mold cavity portion, which is higher than the thickness 30a of the head surface material before processing, and other portions. The thickness of the head face material 30a is lower than that before processing, and the effect of the convex shape can be produced by the punching and forging method. According to the above steps, the method of the present invention can be formed by punching and forging, that is, the head face material 30c can be produced at low cost and high efficiency.

In summary, the present invention manufactures a head face material by means of punching and forging, and has a club head member which is fast, energy-saving and can be made of different materials to produce a lighter or stronger club head, and after punching and forging The strength of the club head surface material is increased, which is beneficial to maintain the quality and performance of the club head. The punching and forging can also make the groove or mark on the head surface material with the uneven surface to reduce the production. Finished products, improve the flexibility of processing.

100‧‧‧Forging die
10‧‧‧Male model
11‧‧‧Forging module
20‧‧‧Female model
21‧‧‧ forming seat
22‧‧‧Indented channel
30a, 30b, 30c‧‧‧ head face material
31‧‧‧ Finished Products Department
32‧‧‧Ferry Department
40‧‧‧ head parts
S1~S3‧‧‧ steps

Figure 1: Flow chart of the method of the present invention. Fig. 2 is a perspective view of the master mold of the present invention. Figure 3 is a perspective view of the male mold of the present invention. Fig. 4 is a perspective view showing the face material of the present invention placed on a punching die. Figure 5-1 is a schematic view showing the closure of the punching and forging die of the present invention. Figure 5-2: is a cross-sectional view of the 5-1 position at the A-A position. Figure 6 is a perspective view of the head face material of the present invention after preliminary processing. Figure 7 is a perspective view of the face material of the present invention after being trimmed. Figure 8 is an exploded perspective view of the head face material and the head member of the present invention. Figure 9 is a perspective exploded view of the head face material of the present invention and another head member.

S1~S3‧‧‧ steps

Claims (7)

A golf club head manufacturing method is used in combination with a punching die comprising a male die, a female die, and a cavity defined by the male die and the master die, wherein the manufacturing method comprises The method has the following steps: Step S1: providing a pair of head face materials corresponding to the cavity volume, and placing the head face material on the master mold, the master mold comprising a forming seat projected by the mold cavity on the master mold And a ring punching groove provided in the forming seat, and the male die includes a pair of punching and forging modules protruding from the female die; and step S2. quickly closing the male die and the female die, so that the face of the head is subjected to The male mold is pressed against the master mold to correspond to the cavity deformation; and step S3. The head face material is taken out and the head face material is attached to a head member. The golf club head manufacturing method according to claim 1, wherein the head surface material is slightly larger than the volume of the mold cavity in the step S1, and the projected surface area of the head surface material and the female mold Less than the area of the forming seat. The golf club head manufacturing method according to claim 1, wherein the step S2 includes the following steps: the step S21. defines that the part of the head surface corresponding to the cavity is a finished part, and the remaining part is An overflow department. Step S22. Cutting the flash portion. The golf club head manufacturing method according to claim 3, wherein in step S22, the flashing portion is cut by a numerically controlled machine tool or a hydraulic trimmer. The golf club head manufacturing method according to claim 1, wherein the material of the head face material is selected from the group consisting of iron, copper, steel, titanium or alloys thereof. The golf club head manufacturing method according to claim 1, wherein the male mold and the master mold are installed in a hydraulic press or a press. The golf club head manufacturing method according to claim 1, wherein the club head surface material is a uniform thickness plate having a volume slightly larger than the volume of the cavity, and the highest height of the cavity is higher than the head surface material. The thickness is higher.