CN100404167C - Wax mould for golf club head and its making method - Google Patents

Abstract

A wax pattern for golf club head mainly comprises: a first wax pattern and a second wax pattern; the outer periphery of at least one of the first and second wax molds has a tangent plane, a wax injection groove is formed between the first and second wax molds and the corresponding joint surface, and a wax liquid joint is formed in the wax injection groove. The manufacturing method comprises the following steps: firstly, prefabricating two sets of moulds of the two-piece type wax mould; manufacturing a first wax mould and a second wax mould; thirdly, pressing a rod head wax mold to prefabricate a mold; combining the first wax mold, the second wax mold and the mold; fifthly, pouring a wax mold of the rod head; and (VI) demolding to prepare the golf club head wax mold. It can relatively improve the flatness of the outer peripheral surface of the combining surface, the production efficiency and the product quality.

Description

Golf club head wax mold and manufacturing method thereof

technical field

The invention relates to a wax mold manufacturing method of a golf club head, in particular to a wax mold of a golf club head capable of improving the surface flatness of the outer peripheral edge of a joint surface and a manufacturing method thereof.

Background technique

The wax mold manufacturing method of customary golf club head, as Taiwan Patent No. 514574 " the manufacturing method of golf iron club head " invention patent described, it comprises the following steps: Molten wax is injected into the mold and the second mold respectively, and a two-piece wax pattern is formed respectively after the mold is opened; (3) dipping into a sand shell mold, soaking the surface of the two-piece wax mold bonded together to form a sand shell mold, and then pouring out the wax mold. And form mold cavity in sand shell mould, and leave sprue mouth in one side of sand shell mold; After solidification, the sand shell mold is crushed to take out the integrally formed seamless iron club head.

However, in actual use, the wax pattern manufacturing method of the above-mentioned golf club head usually performs the wax sticking operation on the outer surface of the joint boundary line of the two-piece wax pattern when the wax pattern is bonded. Therefore, after the two-piece wax pattern is bonded, it is still necessary to further perform surface trimming at the junction of the two-piece wax pattern, that is, to flatten the excess residual wax that protrudes from the surface, thereby relatively increasing the manufacturing process. and reduce production efficiency. In addition, using the combination method of sticking wax may cause the joint boundary of the two-piece wax molds to not be completely filled with wax liquid, that is, there is still a gap between the two-piece wax molds, thus making the head casting There may be defects at the junction line of the joint, which will reduce the yield and quality of the product. Therefore, it is necessary to further improve the wax mold manufacturing method of the above-mentioned golf club head.

In view of this, the present invention improves on the above-mentioned shortcomings, and at least a cut surface is provided on the outer periphery of the joint junction of the two wax patterns, so that an outwardly exposed wax injection groove is formed between the two wax patterns; The two wax models are placed in a mould, and the wax injection groove between the two wax models is subjected to wax injection treatment. Therefore, a flat outer bonding surface can be formed between the two wax patterns, thereby relatively increasing production efficiency. In addition, the wax injection treatment for the wax injection groove between the two wax patterns can completely eliminate the gap between the two wax patterns, thereby improving product quality.

Contents of the invention

The main purpose of the present invention is to provide a golf club head wax mold and its manufacturing method, which is to be provided with at least a cut surface on the outer periphery of the junction of the two wax molds, and then put the two wax molds into a mould, so as to The wax injection groove formed by the cutting surface between the two wax patterns is subjected to wax injection treatment to make a golf club head wax pattern, so that the present invention has the effect of improving the surface smoothness of the wax pattern.

Technical scheme of the present invention:

A wax mold of a golf club head, mainly comprising: a first wax mold with a joint surface and a second wax mold with a joint surface; it is characterized in that: at least one of the first and second wax molds has an outer periphery of the joint surface. There is a cut surface, a wax injection groove is formed between the first and second wax patterns and the corresponding joint surfaces, and a wax liquid connection part is formed in the wax injection groove.

A method for manufacturing a wax mold of a golf club head, the main technological process includes: prefabricating a first wax mold and a second wax mold; performing wax injection on the initially combined first and second wax molds to form a connected wax mold; It is characterized by:

(1), according to the preset bonding surface of the golf club head wax mold of the present invention, the club head wax mold is divided into a first wax mold and a second wax mold, and two sets of molds of the two-piece wax mold are prefabricated respectively;

(2), making the first wax model and the second wax model, pouring the molten wax liquid into the two sets of moulds, respectively, to make two independent first wax models and second wax models;

(3), according to this golf club head wax pattern prefabricated mold, the mold cavity of this mold is closely matched with this golf club head wax pattern shape, only leaves the wax injection space at the wax injection groove;

(4), combine the first and second wax patterns and moulds, and combine the first and second wax patterns in the mould, forming wax injection grooves;

(5), casting rod head wax mold, molten wax liquid is poured in the wax injection groove in this mould, forms the wax liquid connection part, and the first and second wax molds in this mould are melted and solidified as a whole;

(6), demoulding; open this mold after wax liquid solidifies, can take out a seamless complete golf club head wax mold.

The advantages of the present invention are:

Because the present invention is provided with a cutting surface on the outer periphery of one of the joint surfaces of the first and second wax patterns, a wax injection groove is formed; then the first and second wax patterns are combined in closely matched molds to carry out the wax injection process, which can Obtain a golf club head wax model with a flat and smooth surface, so the flatness of the outer peripheral surface of the bonding surface, production efficiency and product quality can indeed be relatively improved.

Description of drawings

Fig. 1 is a flow block diagram of the first embodiment of the present invention.

Fig. 2 is a three-dimensional exploded view of the wax mold of the club head according to the first embodiment of the present invention.

Fig. 3 is a partial enlarged view of the first embodiment of the present invention in which the cutting surface of the wax mold of the club head is a plane.

Fig. 4 is a partial enlarged view of the first embodiment of the present invention in which the cutting surface of the wax mold of the club head is a curved surface.

Fig. 5 is a sectional view of the combination of the club head wax pattern and the mold according to the first embodiment of the present invention.

Fig. 6 is a cross-sectional view of the wax mold of the club head according to the first embodiment of the present invention.

Fig. 7 is a three-dimensional exploded view of the wax mold of the club head according to the second embodiment of the present invention.

Fig. 8 is a top view of the wax mold of the club head according to the second embodiment of the present invention.

Fig. 9 is a partial enlarged view of the connection of the wax injection grooves of the wax mold of the club head according to the second embodiment of the present invention.

Fig. 10 is a three-dimensional exploded view of the wax mold of the club head according to the third embodiment of the present invention.

Fig. 11 is a sectional view of the wax mold of the club head according to the third embodiment of the present invention.

concrete way

In order to make the purpose, technical features and advantages of the present invention more obvious and understandable, the preferred embodiments of the present invention are specifically cited below, and detailed descriptions are as follows in conjunction with the accompanying drawings:

With reference to Fig. 1-4, shown in 6, the first embodiment of the present invention, a kind of golf club head wax mold 1, is a kind of two-piece combination wax mold, mainly comprises: a first wax mold 11 and a second wax mold mold 12, and at least one of the first and second wax molds 11, 12 is provided with cut surfaces 112, 122 on the outer periphery of the joint surface, so when combined, the first and second wax molds 11, 12, or between the corresponding joint surface A wax injection groove 13 is formed, and a wax liquid connection portion 131 is formed in the wax injection groove 13 .

The first wax model 11 is the panel part of the golf club head (including the body and the collar), and the second wax model 12 is a part of the back of the golf club head body. Each cut surface 112 , 122 forms an included angle (not shown in the figure) with the joint surface 111 , 121 respectively, and each cut plane 112 , 122 is continuously arranged on the corresponding joint surface 111 , 121 . In addition, each cut surface 112 , 122 can be in different shapes such as plane (as shown in FIG. 3 ) or curved surface (as shown in FIG. 4 ). Moreover, the first and second wax molds 11 and 12 can be two different parts of the body, and can also be any relative two components of the golf club head, such as the body, the collar, the face plate, the back plate, the cover plate, the side plate or bottom plate etc. In addition, the depth a of each cut surface 112 , 122 is preferably between 15% and 75% of the width b of each joint surface 111 , 121 .

Each cutting surface 112 , 122 can also be formed between the corresponding joint surfaces 111 , 121 of one of the first wax pattern 11 or the second wax pattern 12 , forming a single-sided wax injection groove 13 .

Referring to Figures 2-5, the first embodiment of the present invention, a method for manufacturing a golf club head wax mold, the main process flow:

(1), according to the preset bonding surfaces 111, 121 of the golf club head wax mold 1, the club head wax mold is divided into a first wax mold 11 and a second wax mold 12, and two sets of two-piece wax molds are prefabricated respectively mold;

(2), making the first wax pattern 11 and the second wax pattern 12; pouring the molten wax liquid into the two sets of moulds, respectively, to make two independent first wax patterns 11 and the second wax patterns 12;

(3), prefabricated mold 2, except that this mold 2 has a wax injection space at the wax injection groove 13, its mold cavity and the golf club head wax mold shape are closely matched (as shown in Figure 5);

(4), combination first, second wax pattern 11,12 and mold 2 (as shown in Figure 5); The first, second wax pattern 11,12 are combined in the mold 2, and the die cavity of this mold 2 and this golf ball The shapes of the wax molds of the club head are closely matched, and only the wax injection groove 13 has space for wax injection;

(5), casting rod head wax mold; Melting wax liquid is poured in the wax injection space in this mold 2 respectively, forms wax liquid connection part 131, makes first and second wax mold 11,12 in this mold 2 melt solidly integrated, and the outer peripheral edges of the two joint surfaces 111, 121 form a flat and smooth outer surface;

(6), demoulding; open this mold 2 after wax liquid is solidified, can take out a seamless complete golf club head wax mold 1.

Referring to Figs. 2-5, the golf club head wax mold 1 according to the first embodiment of the present invention is suitable for precision casting of various conventional golf club heads such as iron type, wood type, utility type (utility) or putter type. , It is especially suitable for the investment casting of the iron golf club head with deep hole shape (undercut) forming the back hole 10.

Please refer to Figs. 7-9, the golf club head wax mold and its manufacturing method in the second embodiment of the present invention are basically the same as the first embodiment, the difference is: the golf club head wax mold 1 in the second embodiment The cut surfaces 112', 122' of the first and second wax models 11, 12 are arranged in a staggered manner on the outer peripheral edges of the joint surfaces 111, 121 of the first and second wax models 11, 12, that is, the first wax model 11 The cutting surface 112' of the second wax pattern 12 corresponds to the bonding surface 121, and the cutting surface 122' of the second wax pattern 12 corresponds to the bonding surface 111 of the first wax pattern 11 (as shown in FIGS. 7 and 8 ). Therefore, interlaced wax injection grooves 13' are formed between the first and second wax patterns 11 and 12, which can also achieve the same purpose of the first embodiment. As shown in Figure 9, in the second embodiment, the first and second wax molds 11, 12 of the golf club head wax mold 1 form the wax injection grooves 13' formed by the cut surfaces 112', 122' and the corresponding joint surfaces 111, 121. , can also communicate with each other, so that the wax liquid can flow between each wax injection groove 13', forming a wax liquid connection part 131'.

Please refer to Figures 10 and 11, the golf club head wax mold and its manufacturing method in the third embodiment of the present invention are basically the same as the first or second embodiment, the difference is that the golf club head wax in the third embodiment The first and second wax molds 11 and 12 of the mold 1 are respectively a club head body wax mold and a back combination wax mold. The bonding surface 111 of the first wax pattern 11 is formed on the inner edge of the bottom side of the first wax pattern 11, and the bonding surface 121 of the second wax pattern 12 is formed on the bottom side of the second wax pattern 12, corresponding to the first wax pattern. The bonding surface 111 of the mold 11. The two ends of the joint surfaces 111, 121 of the first and second wax patterns 11, 12 extend upward in an arc. A wall portion 123 of the second wax model 12 and the panel portion 113 and the inner edge of the bottom (not shown) of the first wax model 11 jointly form a back hole 10 (as shown in FIG. 11 ) with a deep hole (undercut) molding. Show). The outer edges (towards the back) of the joint surfaces 111, 121 of the first and second wax patterns 11, 12 are respectively provided with cut surfaces 112, 122, and each cut surface 112, 122 forms a wax injection groove 13 "together. The subsequent injection of wax forms the wax liquid connection portion 131". According to the technological process of the first and second embodiments, the first and second wax patterns 11, 12 are combined into a golf club head wax pattern 1 (not shown in the figure), and likewise, the outer periphery of the bonding surface of the golf club head wax pattern ( That is, the junction of the first and second wax patterns 11 and 12) forms a flat and smooth outer surface.

As mentioned above, the wax mold manufacturing method of the conventional golf club head is to directly carry out the wax sticking operation at the joint boundary of the two-piece wax mold, so there must be shortcomings such as residual wax protruding from the surface and increasing the difficulty of finishing. One of the joint surfaces of the first and second wax patterns 11, 12 is provided with a cut surface 112 or 122 on the outer periphery to form a wax injection groove 13; then the first and second wax patterns 11, 12 are combined in a closely matched mold 2. Carrying out the waxing treatment in 2 can obtain the golf club head wax model 1 with a smooth outer surface, which can indeed relatively improve the flatness of the outer surface of the outer periphery of the bonding surface and the quality of the product.

Claims (12)

1. golf driver head wax-pattern, mainly comprise: first wax-pattern and with faying face has second wax-pattern of faying face; It is characterized in that: the faying face outer peripheral edges of one of first, second wax-pattern are provided with a tangent plane at least, form one between first and second wax-pattern and the corresponding faying face and penetrate the wax groove, and this is penetrated and is formed with wax liquid linking part in the wax groove.

2. golf driver head wax-pattern according to claim 1 is characterized in that: described tangent plane is located on the outer peripheral edges of this first wax-pattern faying face in continuous or discontinuous mode.

3. golf driver head wax-pattern according to claim 1 is characterized in that: described tangent plane is located on the outer peripheral edges of this second wax-pattern faying face in continuous or discontinuous mode.

4. golf driver head wax-pattern according to claim 1 is characterized in that: the wax groove of respectively penetrating that the tangent plane of described first, second wax-pattern and corresponding faying face form is staggered annular arrangement respectively.

5. golf driver head wax-pattern according to claim 4 is characterized in that: described first wax-pattern respectively penetrate the corresponding wax groove of penetrating that the wax groove is communicated in the second wax-pattern adjacency.

6. golf driver head wax-pattern according to claim 1 is characterized in that: the wax groove is penetrated in the common formation one of the tangent plane of described first, second wax-pattern.

7. golf driver head wax-pattern according to claim 1 is characterized in that: described tangent plane is the plane.

8. golf driver head wax-pattern according to claim 1 is characterized in that: described tangent plane is a curved surface.

9. golf driver head wax-pattern according to claim 1 is characterized in that: the described tangent plane degree of depth between a faying face width of first and second wax-pattern 15% to 75% between.

10. golf driver head wax-pattern according to claim 1 is characterized in that: the body that described first wax-pattern is a golf driver head, panel and cover neck, second wax-pattern is the part at this golf driver head body back.

11. golf driver head wax-pattern according to claim 1 is characterized in that: described first and second wax-pattern is respectively the wax-pattern of the member that golf driver head two is connected, and it is body, cover neck, panel, backboard, cover plate, side plate or base plate that described member is selected from.

12. the manufacture method of a golf driver head wax-pattern, the main technique flow process comprises: prefabricated first wax-pattern and second wax-pattern; First and second wax-pattern of preliminary combination is penetrated wax handle, form the wax-pattern that connects as one; It is characterized in that:

(1), press the default faying face of golf driver head wax-pattern, bar head wax-pattern is divided into first wax-pattern and second wax-pattern, respectively two molds of prefabricated two-piece type wax-pattern;

(2), make first wax-pattern and second wax-pattern, molten wax liquid is cast in respectively in this two mold, make two independently first wax-pattern and second wax-patterns;

(3), by this golf driver head wax-pattern prefabricated mould, for closely cooperating, leave and penetrate the wax space penetrating the wax groove between the die cavity of this mould and this golf driver head wax-pattern profile;

(4), make up first and second wax-pattern and mould, first and second wax-pattern is combined in this mould, form and to penetrate the wax groove;

(5), cast bar head wax-pattern, molten wax liquid is cast in penetrating in the wax groove in this mould, form wax liquid connecting portion, first and second wax-pattern blow in this mould is an one;

(6), the demoulding; After wax liquid solidifies, open this mould, can take out a jointless complete golf driver head wax-pattern.

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