CN1272386A - Manufacturing method of specific section of bat by using composite material - Google Patents
Manufacturing method of specific section of bat by using composite material Download PDFInfo
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- CN1272386A CN1272386A CN99105961A CN99105961A CN1272386A CN 1272386 A CN1272386 A CN 1272386A CN 99105961 A CN99105961 A CN 99105961A CN 99105961 A CN99105961 A CN 99105961A CN 1272386 A CN1272386 A CN 1272386A
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- racket
- blow pipe
- mould
- gas blow
- type structure
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Abstract
The present invention relates to an additional patent of Chinese application No.98120129.6 (Production method of special cross-section of composite material racket), and is characterized by that the first air-blowing tube is sleeved on proper position of several band tapes, and its exterior is wrapped with a presoaked material to form a cylinder, then several cylinders are parallelly placed into second air-blowing tube, and the exterior of second air-blowing tube is wrapped with presoaked material, and the proper position of most external layer is covered with presoaked material and foaming material to form preformed structure, after the band tapes are taken out from preformed structure, the preformed structure is heated in mould, and at the same time, the air is fed into first air-blowing tube and second air-blowing tube to make the preformed structure possess a lot of specific concave holes, so that it can be further made into the invented racket with increased effective driving area.
Description
The present invention relates to manufacture of composite material racket with special section, especially refer to centering state invention application number 98120129.6, the additional patent of title " manufacture of composite material racket with special section " is particularly about a kind of manufacture method that increases the sweet spot of racket.
Racket is at square stance, the sweet spot that the Chang Yinwei racket is provided is limited, and can't perfectly bat or fight back ball, influence is serious especially for the professional soccer player, and the reason that influences sweet spot is because the factor of the hole on the frame, hole is to wear for the ball line, form a sphere by this, as shown in Figure 1, when the hole on the frame 10 is circular hole 12, the angle that ball line 14 in the circular hole 12 can be swung by active force approximately has only about 5 degree, and causes racket only to have less sweet spot, so for increasing its sweet spot, so hole is made as elliptical aperture, when the ball line in the elliptical aperture is subjected to active force, can increase the angle that it can be swung, so that bigger sweet spot to be provided.
The method of known formation elliptical aperture, be on frame of racket, to form many circular holes earlier, again circular hole is pondered afterwards and be ellipticity, but it is time-consuming that the formed elliptical aperture of this mode is not only processed trouble, and its not of uniform size and position is difference all therefore and to some extent, when causing the ball line to be located in this elliptical aperture, can't keep the ball line on same plane.
Known have a kind of method to solve above-mentioned puzzlement in addition, as shown in Figure 2, it is a sheathed elliptical aperture former 18 on frame 10 original circular holes 12, make circular hole 12 form an elliptical aperture, but this mode more must be made an elliptical aperture former 18 more in addition except that being drilled with earlier the circular hole 12, and be sheathed on the circular hole 12, not only bother very much but also spend suitable time and cost, so the present invention promptly provides a kind of preparation method, to overcome above-mentioned puzzlement.
Main purpose of the present invention is that a kind of manufacture of composite material racket with special section is being provided, and makes after the racket moulding, and the inner edge of frame of racket forms many oval shrinkage pools naturally and is beneficial to and further is processed into oval perforation.
Another object of the present invention is that a kind of manufacture of composite material racket with special section is being provided, thereby provide racket with the neat oval shrinkage pool of equal and opposite in direction and positional alignment, utilize this ellipse shrinkage pool can be processed as oval perforation easily, increase sweet spot.
For realizing above-mentioned purpose, a kind of manufacture of composite material racket with special section of the present invention is to comprise the following steps:
A. be provided with several tape measures;
B. on the appropriate location of this tape measure, be arranged with one first gas blow pipe, and volume is provided with a preimpregnation material outside this first gas blow pipe, constitutes a cylindrical shell;
C. a plurality of cylindrical shells that this tape measure constituted suitably are arranged side by side, constitute required structure, other is provided with one second gas blow pipe, and the internal diameter of this second gas blow pipe just can be inserted in aforesaid cylindrical shell;
D. coat a preimpregnation material outside this second gas blow pipe, the appropriate location outside this preimpregnation material covers a foam material, coats a preimpregnation material outside this foam material again, constitutes a pre-type structure;
E. this tape measure is detached in this pre-type structure along the y direction place; And
F. should pre-type structure place in the mould again, and heat this mould and pre-type structure simultaneously, and provide gas in this first gas blow pipe and second gas blow pipe, make this pre-type structure in this mould, carry out moulding, wherein, this mould is a plurality of thrusts with a marshalling corresponding to the position of this foam material, when this mould is heated, this foam material expands according to the thrust shape of this mould, forms specific shrinkage pool on this pre-type structure.
This preimpregnation material is a reinforcing fiber.
This reinforcing fiber is the group that is selected from carbon fiber, glass fibre and polyalanine fibre.
This foam material is an epoxy resin.
This specific shrinkage pool is oval shrinkage pool.
Adopt method of the present invention, utilize this ellipse shrinkage pool can be processed as oval perforation easily, make processing simple and convenient, can save time again, make racket have bigger sweet spot.
Below illustrate in detail by the specific embodiment conjunction with figs., make the effect that is easier to understand purpose of the present invention, technology contents, characteristics and is reached.
The simple declaration of accompanying drawing:
Fig. 1 is the part swing schematic diagram of the racket of tool circular hole;
Fig. 2 is the schematic diagram of racket commonly used;
Fig. 3 is a pre-type structural representation of the present invention;
Fig. 4 is the structural representation of molded racket of the present invention;
Fig. 5 is the part swing schematic diagram of the oval perforation of tool of the present invention racket.
Main feature of the present invention is that the frame of racket inner edge forms many oval shrinkage pools, makes it become oval perforation conveniently to process, and increases the drop point of its batting, and makes its sweet spot become big.
The present invention mainly is the cross dimensions according to required Frame of racket, is provided with the hollow tape measure of a plurality of suitable caliber size, and wherein, the length of tape measure then is to cooperate the girth of required racket and decide.
On the appropriate location of above-mentioned tape measure, promptly be arranged with one first gas blow pipe again in the position of this frame desire reinforcement intensity, and volume is provided with a preimpregnation material outside first gas blow pipe, to form a cylindrical shell, and preimpregnation material mainly is made up of a kind of reinforcing fiber, and this reinforcing fiber can be made of carbon fiber, glass fibre or polyalanine fibre.
The present invention is arranged with second gas blow pipe of a larger caliber again and is coated with a preimpregnation material outside tape measure, be about to a plurality of cylindrical shells that above-mentioned tape measure constitutes mutually side by side and be arranged in suitable position to constitute required structure, other is provided with second gas blow pipe 20 of a tool larger caliber, the internal diameter of second gas blow pipe 20 just can be inserted in aforesaid several cylindrical shells, and outside second gas blow pipe 20, be coated with a preimpregnation material 22 in addition, as shown in Figure 3, and the appropriate location on preimpregnation material 22 outer surfaces outside second gas blow pipe 20 covers a foam material 24 again, simultaneously outside foam material 24, also coat a preimpregnation material 26, to constitute a pre-type structure 28.
Wherein, above-mentioned foam material 24 is formed by epoxy resin.
After constituting pre-type 28 structures, tape measure can be detached in the pre-type structure 28 along the y direction place, and make the cylindrical shell that former first gas blow pipe and the preimpregnation material that is sheathed on the tape measure constituted, still remain on same position place in second gas blow pipe, and then pre-type structure placed in the mould, heating mould and pre-type structure, and supply gas is given first gas blow pipe and second gas blow pipe simultaneously, so that pre-type structure is carried out moulding in mould.
Wherein, above-mentioned mould is a plurality of thrusts with a marshalling corresponding to the place of the position of pre-type structure tool foam material, this thrust is to be ellipticity, when mold heated, foam material expands according to the shape of this mold tabs thing, makes it form oval shrinkage pool behind pre-type shaping structures on racket.
Foam material can be on whole ball frame, or other suitable positions, if the position at foam material place is two sides at frame of racket, then it must be in symmetrical position, make it on frame, form many oval shrinkage pools, be to be an in type racket as shown in Figure 4, in a moulding racket 30, the inner edge of its frame 32 forms many oval shrinkage pools 34, the place of projection around the oval shrinkage pool 34, be because it inner is foam material 24, make its expanded by heating in mould, obtain required oval shrinkage pool 34 according to the shape of mould.
This oval shrinkage pool 34 is in that to add man-hour very simple and convenient, only need be drilled with frame according to the position of oval shrinkage pool 34, make it form an elliptical aperture 16, as shown in Figure 5, when the ball line 14 in the elliptical aperture 16 is subjected to active force, the angle that can swing rises to about 15 degree, bigger sweet spot can be provided, and the position of elliptical aperture is marshalling not only, and need not be as known method, be drilled to circular hole earlier, ponder into elliptical aperture again or install an elliptical aperture former additional in circular hole, processing very trouble expends time in again, so manufacture method of the present invention can provide a kind of racket with the neat oval shrinkage pool of equal and opposite in direction and positional alignment, and the oval shrinkage pool on it is not only processed simple and convenient, can save time again, makes racket have bigger sweet spot.
Above-mentioned oval shrinkage pool also can be complied with the mould of different demands, and gives the various specific shrinkage pools of moulding, promptly when die for molding, forms multi-form shrinkage pool.
The above embodiment only is for technological thought of the present invention and characteristics are described, its purpose makes the personage who is familiar with this skill can understand content of the present invention and is implementing according to this, when can not with qualification practical range of the present invention, promptly the equalization of doing according to disclosed spirit generally changes or modifies, and must be encompassed in the technical scheme scope of the present invention.
Claims (5)
1, a kind of manufacture of composite material racket with special section is characterized in that comprising the following steps:
A. be provided with several tape measures;
B. on the appropriate location of this tape measure, be arranged with one first gas blow pipe, and volume is provided with a preimpregnation material outside this first gas blow pipe, constitutes a cylindrical shell;
C. a plurality of cylindrical shells that this tape measure constituted suitably are arranged side by side, constitute required structure, other is provided with one second gas blow pipe, and the internal diameter of this second gas blow pipe just can be inserted in aforesaid cylindrical shell;
D. coat a preimpregnation material outside this second gas blow pipe, the appropriate location outside this preimpregnation material covers a foam material, coats a preimpregnation material outside this foam material again, constitutes a pre-type structure;
E. this tape measure is detached in this pre-type structure along the y direction place; And
F. should pre-type structure place in the mould again, and heat this mould and pre-type structure simultaneously, and provide gas in this first gas blow pipe and second gas blow pipe, make this pre-type structure in this mould, carry out moulding, wherein, this mould is a plurality of thrusts with a marshalling corresponding to the position of this foam material, when this mould is heated, this foam material expands according to the thrust shape of this mould, forms shrinkage pool on this pre-type structure.
2, manufacture of composite material racket with special section as claimed in claim 1 is characterized in that: this preimpregnation material is a reinforcing fiber.
3, manufacture of composite material racket with special section as claimed in claim 2 is characterized in that: this reinforcing fiber is the group that is selected from carbon fiber, glass fibre and polyalanine fibre.
4, manufacture of composite material racket with special section as claimed in claim 1 is characterized in that: this foam material is an epoxy resin.
5, manufacture of composite material racket with special section as claimed in claim 1 is characterized in that: this shrinkage pool is oval shrinkage pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991059611A CN1145508C (en) | 1999-05-04 | 1999-05-04 | Manufacturing method of specific section of bat by using composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991059611A CN1145508C (en) | 1999-05-04 | 1999-05-04 | Manufacturing method of specific section of bat by using composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1272386A true CN1272386A (en) | 2000-11-08 |
| CN1145508C CN1145508C (en) | 2004-04-14 |
Family
ID=5272201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991059611A Expired - Fee Related CN1145508C (en) | 1999-05-04 | 1999-05-04 | Manufacturing method of specific section of bat by using composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1145508C (en) |
-
1999
- 1999-05-04 CN CNB991059611A patent/CN1145508C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1145508C (en) | 2004-04-14 |
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|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040414 Termination date: 20130504 |