CN1104549A

CN1104549A - Manufacture of composite head

Info

Publication number: CN1104549A
Application number: CN93115689A
Authority: CN
Inventors: 罗光男
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-28
Filing date: 1993-12-28
Publication date: 1995-07-05

Abstract

Metal material is used to make up a hollow shell that has beating surface, frame, bottom, and hole in middle. A laminated layer is assembled on side wall of the hollow part and an expanding bag is put in it. A cover body covers the hole. Thus a club head blank is finished. The club head blank is heated at 140-160 deg.C and the expanding bag expands to make laminated layer bind with side wall closely. The cover body is hardened because of being heated to bind with head tightly.

Description

Manufacture of composite head

The present invention relates to a kind of manufacture method of composite head, particularly relate to a kind of mat and bestow suitable temperature and make an expanding bag produce chemical change and expand, and the mat bulbs of pressure make the composite head manufacture method of composite and metal shell applying.

General golf club in the past is that single material is made, and its material is as carbon fibre composite, stainless steel and aluminium alloy etc.; See also shown in Figure 1ly, it is to utilize a mould directly material to be injected in the mould, again through the condition moulding of high pressure-temperature, and because of material is single, so forming method is simple and easy and quick; But the bulb of institute's moulding also only has raw-material characteristic advantage, and is in light weight as the bulb of carbon fibre composite institute moulding, on the overall volume more variation can be arranged, and elasticity is good, ball placement far away can be arranged, but the structure of carbon fiber composite is relatively poor, is easy to generate the situation of splitting, wearing and tearing of hitting; As for made bulbs of metal material such as stainless steel, aluminium alloy or various alloys, then have the hardness height, intensity is good and advantage such as with low cost, and because of metal material density than great, so the bulb Heavy Weight of institute's moulding, influence shot, more limit the manufacturing elasticity of bulb volume; Other has bulb that a kind of timber makes then many because of damage degree height and shortcoming, so the user reduces, does not add narration at this.

The made golf club of above-mentioned single material only has one-side advantage, first-class in the design moulding of bulb in restricted, only can single advantage be improved again, and shortcoming on the other hand can't break through, so the elastic space of whole design and moulding is less, the desirable bulb that mask arrives of can't moulding appearing, so developing, the dealer composite head, promptly a bulb has various material composition, adopt different materials according to the characteristic demand at each position, make with hard metal as housing, the end face bizet is made with the lighter carbon fiber material of material, and beater plate is made with specific alloy, makes a bulb have the advantage of each material, and this class bulb (10), see also shown in Figure 2, it includes a housing (11), one nappe (12) and a beater plate (13) see also shown in Figure 3ly, and its manufacturing step is as follows:

A: housing moulding: including frame portion (111) and bottom (112) during housing (11) moulding inner is hollow, the top is empty thoroughly, and be provided with a groove (113) in the front, and provided a perforation (114) in groove (113) portion, and placed a gas blow pipe in perforation (114).

B: bizet is handled: by the made nappe of composite (12), and form a bizet in top hollow part socket, nappe (12) also extends the sidewall of the hollow bulb of housing (11) downwards.

C: hot-pressing processing: be blown into gases at high pressure by gas blow pipe, make nappe (12) fit tightly madial wall and top, and be placed in oven for baking, make nappe (12) sclerosis and closely close fixed-type with housing (11) in housing.

D: paste beater plate: gas blow pipe is extracted out, in a beater plate (13) of groove (113) cementation of housing (11), promptly finished the manufacturing of a bulb again,, promptly finish a golf clubs then in frame portion (111) the affixed holding rod in top of housing (11).

Yet, the manufacture process of above-mentioned bulb, can find following shortcoming:

1. need provide gases at high pressure through gas blow pipe and a compressed-air actuated machinery when nappe (12) is fitted with housing (11), increase the integral device cost, and molding time be too of a specified duration, is subjected to the restriction of manufacturing equipment again, causes output to promote.

2. housing (11) provides a perforation (114) for blowing into gases at high pressure in housing (11) front, and perforation (114) is positioned at beater plate (13) and locates, it is covered during by cementation beater plate (13), but perforation (114) causes the integrally-built destruction of housing (11), influence overall construction intensity, increase the chance that bulb breaks and damages.

Main purpose of the present invention is the manufacture method that is to provide a kind of composite head, be in housing, to insert an expanding bag, the pressure that produces by inflation pocket inflates is fitted nappe and laminate and housing, to shorten the whole manufacturing process time, to save manpower, and the integrality that can keep bulb strengthens structural strength.

Based on above-mentioned purpose, the invention is characterized in an expanding bag, expanding bag is placed in the bulb housing, and when the young body of bulb is inserted in the heater hot briquetting, the temperature of heater is about 140 ℃-160 ℃, make the natrium nitrosum in the expanding bag, the mixture of ammonium chloride and water produces chemical reaction, and emit nitrogen, this nitrogen can make expanding bag produce the effect of expanding, and the bulbs of pressure of mat expanding bag make laminate and nappe fit in the madial wall and the end face of housing, simultaneously laminate, nappe is also because of being subjected to thermmohardening to become a bulb with the housing driving fit.

Manufacture method according to a kind of composite head provided by the present invention, mainly be to have made a housing with the proper metal material, housing has the scope of attack, frame portion and bottom, and the centre is a hollow bulb, end face is an emptying aperture, go into a laminate in the sidewall group of hollow bulb again, and insert an expanding bag, the saturating emptying aperture of the end face of housing then is coated with a nappe, promptly finish the young body of a golf club, at last young body is inserted in the heater, the temperature of heater is about 140 ℃-160 ℃, make the natrium nitrosum in the expanding bag, the mixture of ammonium chloride and water produces chemical reaction, and emit nitrogen, the effect that this nitrogen can make expanding bag produce expand, and the bulbs of pressure of mat expanding bag cover madial wall and end face that laminate and nappe fit in housing, while laminate, nappe and because of being subjected to thermmohardening and housing driving fit are affixed to become a bulb; And during bulb winding holding rod, be that the end face side in housing provides an open-work, so the thing that produces in the expanding bag behind the chemical reaction can be by pouring out in the open-work, holding rod in the winding is promptly made a complete golf clubs again; Whole process was both simple and easy rapidly, and reduced equipment cost, can promote output, and made bulb overall construction intensity and characteristic are better.

The present invention is described in detail below in conjunction with drawings and Examples:

Fig. 1 is a kind of structural map of bulb in the past.

Fig. 2 is the another kind of stereogram of bulb in the past.

The another kind of manufacturing flow chart of bulb in the past among Fig. 3.

Fig. 4 is the three-dimensional exploded view of preferred embodiment bulb of the present invention.

Fig. 5 is the manufacturing flow chart of preferred embodiment bulb of the present invention.

Fig. 6 is that the expansion of expanding bag of the bulb of preferred embodiment of the present invention covers schematic diagram.

The manufacture method of a kind of composite head of the present invention, its preferred embodiment sees also shown in Figure 4, mainly is to make a housing (20) with the proper metal material, and is provided with a laminate (30), an expanding bag (40) and a nappe (50), see also shown in Figure 5ly, its manufacturing step is as follows:

A: young body formed: housing (20) has been made the scope of attack (21), frame portion (22) and bottom (23), and the centre is a hollow bulb (24), end face is empty, provided an open-work (25) in frame portion side end face, go into laminate (30) in the sidewall group of hollow bulb (24) again, laminate (30) is then made by carbon fibre composite, and insert expanding bag (40), expanding bag (40) is made by the rubber of tool retractility, in it and inserted natrium nitrosum, the mixture of ammonium chloride and water, the end face of housing (20) then is coated with nappe (50), nappe (50) is equally by made of carbon fibre composite, and finishes the young body of a golf club.

B: heat treatment: young body is inserted in the baking box, and the temperature of baking box makes the mixture of natrium nitrosum, ammonium chloride and water in the expanding bag (40) produce chemical reaction, and emits nitrogen about 140 ℃-160 ℃, and its reaction equation is as follows:

Natrium nitrosum (NaNO ₂)+ammonium chloride (NH ₄Cl)+water (H ₂O) → sodium chloride (NaCl)+nitrogen (N ₂)+water (H ₂O)

And nitrogen can make expanding bag (40) produce the effect of expanding, and the bulbs of pressure of mat expanding bag (40) cover madial wall and end face that laminate (30) and nappe (40) fit in housing (20), simultaneously laminate (30), nappe (40) and because of being subjected to thermmohardening and housing (20) driving fit are affixed to become a bulb.

C: club moulding: during bulb winding holding rod, earlier poke expanding bag (40) by the open-work (25) of housing (20), to produce sodium chloride behind the chemical reaction and water in the expanding bag (40) by pouring out in the open-work (25) again, holding rod in the winding is promptly made a complete golf clubs again.

Have following advantage via understanding this case in the above-mentioned step:

1. whole process adopts consistent equalization, and is both simple and easy rapidly, and saves the equipment of supplying with gases at high pressure, reduces the cost and the restriction of equipment, so can increase output.

2. housing and beater plate are can the same metal material one-body molded, also can separately make with different metal materials, increase the elasticity of bulb design.

3. made bulb overall structure does not have the destruction of any hole, so intensity and characteristic are all better.

In sum, the manufacture method of a kind of composite head of the present invention, by producing chemical reaction, the mixture in the expanding bag expands, the pressure that expands namely is enough to cover laminate and nappe and the housing applying of bulb, have that moulding is simple and easy rapidly, cost is low, and the advantage that ball head structure is firm is a quantum jump for the manufacture process of ball, promotes whole operating efficiency, increases output.

Claims

1, a kind of manufacture method of composite head, it is to be that material is made a housing with the metal, and make a laminate and a nappe by carbon fibre composite, housing has been made the scope of attack, frame portion and bottom, and the centre is a hollow bulb, and end face is empty, and laminate fits in the hollow bulb sidewall of housing, nappe is covered in the end face of housing, promptly makes the young body of a bulb; Its manufacturing step includes young body formed and hot-pressing processing, it is characterized in that:

Young when body formed, inserted an expanding bag in the hollow bulb of housing, insert in the expanding bag natrium nitrosum, ammonium chloride and water etc. mixture, and the young body of bulb is when inserting in the suitable heater moulding, mixture in the expanding bag can produce chemical reaction, and emits nitrogen, and its reaction equation is as follows:

And the effect that nitrogen can make expanding bag produce expand, and the bulbs of pressure of mat expanding bag cover madial wall and end face that laminate and nappe fit in housing, also thermmohardening and housing driving fit are affixed to become a bulb because of being subjected to for laminate, nappe simultaneously.

2, according to the manufacture method of the described a kind of composite head of claim 1, it is characterized in that: heater is a baking box, and the temperature of baking box is between 140 ℃-160 ℃.

3, according to the manufacture method of the described a kind of composite head of claim 1, it is characterized in that: be the open-work that provides during bulb winding holding rod in the end face side of housing, sodium chloride and water in the expanding bag behind the generation chemical reaction are poured out by open-work, again holding rod are fixed in open-work.