CN101766894B - Method for manufacturing table tennis bat - Google Patents
Method for manufacturing table tennis bat Download PDFInfo
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- CN101766894B CN101766894B CN2010100444502A CN201010044450A CN101766894B CN 101766894 B CN101766894 B CN 101766894B CN 2010100444502 A CN2010100444502 A CN 2010100444502A CN 201010044450 A CN201010044450 A CN 201010044450A CN 101766894 B CN101766894 B CN 101766894B
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- cut
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- table tennis
- racket
- handle
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Abstract
The invention relates to a method for manufacturing a table tennis bat and aims to provide a method for manufacturing the table tennis bat with fiber material so as to improve the performance of the table tennis bat. The steps sequentially included in the method are as follows: the closed end of a fiber long tube is wound in a bat-shaped first cut piece made of two pieces of the fiber material; one end of a second nylon tube is closed and inserted at the connecting part of the first cut piece and a bat handle, and is covered by a second cut piece made of the fiber material to form the handle. The open ends of the fiber long tube and the second nylon tube are arranged at the outer end of the handle of the pre-profiling bat, the pre-profiling bat is placed in a forming mold of the table tennis bat and sequentially passes through preheating, inflating for the pre-profiling bat from the open end, heating and setting, and cutting for the open ends of the fiber long tube and the second nylon tube arranged outside the bat handle and the tail end of the handle, thereby obtaining the full-fiber table tennis bat through integrated molding. The table tennis bat has high strength, difficult deterioration and stable performance.
Description
Technical field
The present invention relates to a kind of preparation method of table tennis bat, relate in particular to the method for fibrous material making of using the clappers of table tennis bat.
Background technology
Existing table tennis bat, be generally wooden structures, the conventional method of making is on one flat plate, uses machine directly to cut out the clappers of the table tennis bat that has face and handle, face, handle are one-body molded, and then cross section is the both sides of the handle that is attached to of the handle of semicircle or arc.
The table tennis bat of wooden structures has a lot of shortcomings, as: perishable, mouldy, intensity is relatively poor; The performance of the quality of racket and wood materials self is related very big, because of factor affecting such as density of material, overall weight, the duplicate racket of performance is arranged seldom, the racket performance and the instability that promptly adopt traditional approach to make.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned defective that exists in the prior art, provides a kind of method of table tennis bat of whole use fibrous material making.
The technical solution adopted for the present invention to solve the technical problems is, a kind of preparation method of table tennis bat is provided, and comprises the following steps: successively
A. cut-parts: described cut-parts are meant first cut-parts that cut out at least two table tennis bat shapes on the fibrous material on plane, many second cut-parts of slightly being longer than the strip of handle;
B. around pipe: with fibrous material first plastics or nylon tube outer surface are all coated, make first fiber long tube of an end opening, other end sealing;
C. will be coiled in an orderly manner through described first fiber long tube of step B in described first cut-parts of tiling, another Zhang Suoshu first cut-parts are tiled in above described first fiber long tube after the coiling, described two first cut-parts are symmetrically distributed in described first fiber long tube outside after the coiling again; The blind end of described first fiber long tube is positioned at the described first cut-parts middle position, and the openend of described first fiber long tube is reserved in the outer end of described first cut-parts and racket handle junction;
D. with after second plastics or the sealing of nylon tube one end, be plugged on described first cut-parts and racket handle junction, the openend of described second plastics or nylon tube and the openend of described fiber long tube are parallel to be settled;
E. in an orderly manner the pipe shaft position through the openend of described first fiber long tube of step C and second plastics or nylon tube is coated repeatedly from the two sides with described second cut-parts, progressively form the handle of pre-profiling racket; The opening of described first fiber long tube and second plastics or nylon tube still is reserved in the handle outside of the racket of described pre-profiling;
F. from the face of the racket of described pre-profiling and the junction of handle, with the 3rd fibrous material cut-parts of a strip racket side parcel one circle, to the face of the racket of described pre-profiling and another junction of handle along described pre-profiling;
G. the racket of described pre-profiling is put into the shaper of table tennis bat, passed through preheating successively, thermal finalization is inflated, added to the racket of described pre-profiling from the opening of described first fiber long tube and second plastics or nylon tube;
H. to the typing racket of step G gained, opening and the described handle end handle outside, described first fiber long tube and second plastics or nylon tube that are reserved in described racket are cut apart.
In prior art, the present invention almost all uses fibrous material to make table tennis bat, is easier to accurately control the weight of racket, and the racket weight that makes is light, racket intensity height, not perishable and performance is highly stable.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples,
Fig. 1 is the structural representation that single layer fibre material intersection is superimposed as double-deck fibrous material of the present invention;
Fig. 2 is the structural representation that cuts various cut-parts on the plane fibers material of the present invention;
Fig. 3 is the structural representation of pre-profiling die of the present invention;
Fig. 4 is the technical process schematic diagram that usefulness second cut-parts of the present invention coat handle;
Fig. 5 is the structural representation of shaper of the present invention;
Fig. 6 is the semi-finished product structural representation after typing of the present invention;
Fig. 7 is the cover and the decomposition texture schematic diagram of racket behind the handle of the present invention;
Fig. 8 is the technical process schematic diagram of table tennis bat preparation method of the present invention;
Fig. 9 is the technical process schematic diagram that coils the fiber long tube and second nylon tube in first cut-parts.
The specific embodiment
Please together with reference to each accompanying drawing, the raw material that table tennis bat preparation method of the present invention is selected for use mainly are carbon fibre material or glass fiber material, also can both mix use, because two kinds of materials that use are on the technology of making table tennis bat, difference is little, and the ratio of specifically selecting for use can freely be selected as required.Because the cost of carbon fibre material is higher, but the quality of gained racket, performance are also better, therefore, in the practice, are standard with the content of carbon fibre material, generally the content of carbon fibre material can be controlled in the scope of 20-100%, can meet the demands substantially.
At first with two without the single layer fibre material that cuts, as carbon fibre material cloth or glass fiber material cloth, according to the machine direction of moulding wherein, mode with right-angled intersection, being that the orthogonal mode of machine direction is overlapping pastes into a double-deck fibrous material cloth, as shown in Figure 1, for cutting, to guarantee the intensity of each cut-parts.
On the plane fibers web of material of gained, as shown in Figure 2, with with former single layer fibre material on the angle that intersects of fiber orientation, the angle of cut as the 30-60 degree, cut out first cut-parts 11 of at least two table tennis bat shapes, shown in Fig. 2 be: the central shaft of first cut-parts 11 and described machine direction are miter angle; The shaped slightly of these first cut-parts is greater than the face shape of table tennis bat, be the semicircle face shape of not being with handle, can certainly directly cut out first cut-parts of the table tennis bat shape of band handle, but obviously the mode that cuts shown in Figure 2 is more saved fibrous material; Be slightly larger than the shape of the face of table tennis bat, purpose is in following step C, and after the prepared fiber long tube of tiling step B, the outer peripheral redundant material of face can roll opposite to each other, is convenient to pre-profiling.
Many second cut-parts of slightly being longer than the strip of handle that cut out, use during for ensuing coating handle, in Fig. 2, each second cut-parts can be inconsistent on the concrete specification of length and width, reason is, concrete order when coating handle is from inside to outside, coat repeatedly, corresponding, the length of second cut-parts, wide specification can suitably change, show second cut-parts 121 of three kinds of different sizes among Fig. 2 respectively, 122,123, each row all includes second cut-parts of three same specifications, is positioned at more outer field second cut-parts little by little, only works to reinforce handle, be preset with the technology joint-cutting 124 that is overmolding to handle in each second cut-parts, in order to operation.
Step B: around pipe: use a long band of making of fibrous material one first nylon tube (plastic flexible pipe also can) outer surface all to be coated, make the fiber long tube of an end opening, other end sealing in the mode of twining; Concrete mode can be: earlier the effective metal cylinder slightly thinner than caliber of first dragon is worn; On the rotatable axle bed of being supported at both ends in of metal bar, rely on this axle bed to drive of the central shaft rotation of described metal cylinder along cylinder; The long band that fibrous material is made is spent the mode of the angles of cut to be 45 with central shaft, be wrapped in the first nylon tube outer surface; During winding, can be earlier described long band be wound into the other end from the end order of described first nylon tube after, twine in the opposite direction again, all coated to make the described first nylon tube outer surface as far as possible.After coating first nylon tube, metal bar is released from nylon tube, use the end sealing of sealing machine with first nylon tube, form length and be about 170cm-220cm's, the fibrous material long tube of one end sealing, the coating of this canoe will make fiber long tube be filled with air, it is firm to coat, fiber long tube stressed everywhere comparatively even, not yielding.
Concrete operations content from steps A and step B, there is no strict order between two steps, can two independently station finish separately, therefore, the concrete order of steps A among the present invention and step B also should not done strict the qualification, aforementioned " comprising steps A, step B successively ", only be convenience for literal expression, but not concrete qualification, this should be that those skilled in the art can understand.
Step C: use one shown in Figure 3 to include first die that is equivalent to the table tennis bat shape, pre-profiling mould 5 as table tennis bat, earlier one first cut-parts are laid in the pre-profiling mould, with the prepared fiber long tube 51 of step B as shown in Figure 9, be coiled in an orderly manner in described first cut-parts of tiling, another Zhang Suoshu first cut-parts are tiled in above the described fiber long tube 51 after the coiling, these two first cut-parts are symmetrically distributed in the described fiber long tube outside after the coiling again; That is, the coiling of the laying of two first cut-parts, fiber long tube is all finished in described pre-profiling mould; The blind end of described fiber long tube is positioned at the described first cut-parts middle position, promptly from inside to outside coils fiber long tube, and the openend of fiber long tube then is reserved in the outer end of first cut-parts and racket handle junction, as the fill opening of back technology;
Step D: after another second plastics or the sealing of nylon tube 52 1 ends, be plugged on described first cut-parts and racket handle junction, the openend of second plastics or nylon tube and the openend of described fiber long tube are parallel to be settled, these second plastics or nylon tube owing to do not need to resemble coils in first cut-parts the described fiber long tube, therefore, its length needs only the handle through pre-profiling mould 5, along meeting the demands substantially to handle and face junction, as shown in Figure 9, these second plastics or nylon tube outer surface can coat, also can not coat its fibrous material, in the practice, general at its inner blind end, after with the leftover pieces of fibrous material mouth of pipe position being coated, fold up, so both as the mode of its port of sealing, the fibrous material that stacks multilayer can also make the racket after the moulding more firm in the junction of handle and face again.At this moment, the outer rim of two first cut-parts can be rolled up in opposite directions folded, be bonded together, make the face part pre-profiling of racket, in the practice, because the qualification at pre-profiling mould 5 edges, behind the first cut-parts laying and pre-profiling mould, redundant outer rim position is rolled naturally, and is after the upset blade, as the same when re-laying another piece first cut-parts, the fibrous material of turned up portion utilizes the viscosity of himself, and both are sticked together promptly realize: the outer rim of two first cut-parts is rolled up folded, bonding in opposite directions.
Step e. with described second cut-parts from the two sides in an orderly manner the pipe shaft position to the openend of described first fiber long tube and second plastics or nylon tube coat, form the handle of pre-profiling racket; The opening of described first fiber long tube and second plastics or nylon tube still is reserved in the handle outside of the racket of described pre-profiling; Concrete coating mode can be with reference to Fig. 4: use first medium sized second cut-parts earlier, pipe shaft position as the openend of 122 pairs first fiber long tube and second plastics or nylon tube coats, again racket is turned, use second cut-parts 122 of second same specification, from the bonding place of last second cut-parts, coat described pipe shaft position in opposite directions; Change second more bigger cut-parts again, as the cut-parts of 121 specifications according to aforementioned manner again row coat, so circulation coats repeatedly, along with coating carrying out step by step of handle technology, handle is more and more thicker, up to the handle that forms the pre-profiling racket.Three kinds of specifications of general use, amounting to six second cut-parts can meet the demands.
Step F. from the face of the racket of described pre-profiling and the junction of handle, with the 3rd fibrous material cut-parts 13 of a strip racket side parcel one circle, to the face of the racket of described pre-profiling and another junction of handle along described pre-profiling; Make the racket of pre-profiling more firm.After finishing this step, before carrying out next step, can also be in handle and face junction, from the two sides of racket, attaching is reinforced in the cut-parts that re-use the making of some fibre material respectively specially, as selects for use the rectangle cut-parts 14 shown in Fig. 2 to reinforce attaching at handle and face junction.On this basis, can also be further at the central part of face, each attaches the square or rectangle cut-parts 15 that one deck carbon fibre material is made again from the two sides, as the technological measure that further improves the racket performance.
After carrying out above-mentioned steps F, before the following step G, the racket of described pre-profiling is put into a pre-profiling die that is equivalent to the table tennis bat shape, carry out cooling and shaping, chilling temperature is limited in one 10 ℃-0 ℃, use such technology to be: usually, when adopting the present invention to make table tennis bat, be continuous productive process, the semi-finished product behind the initial shaping do not drop in the mould, at this moment immediately, environment temperature may make semi-finished product behind the initial shaping for a long time still behind the prepattern, produce the softening transform phenomenon, for guaranteeing product quality, behind initial shaping, cooling can be avoided the generation of this type of phenomenon immediately.
Step G. is with reference to Fig. 5, the racket of described pre-profiling is put into the shaper of table tennis bat, Figure 5 shows that the structural representation of upper and lower mould under open mode of shaper, after the racket of pre-profiling is put into, the upper and lower mould pressing of shaper, tighten together, the racket of pre-profiling passes through preheating successively, from the opening of described first fiber long tube and second plastics or nylon tube thermal finalization is inflated, added to the racket of described pre-profiling; In this step, the time of preheating was controlled at 5 seconds-1 minute, with the air pressure of 0.2-0.6Mpa, from the opening of described first fiber long tube and second plastics or nylon tube the racket of described pre-profiling was inflated again; Carrying out the described heat-setting time that adds was controlled at 5 minutes-10 minutes, temperature is controlled between 150 ℃-180 ℃, the technological parameter of these typing fibrous materials also can be decided according to the performance of fibrous material self, time such as preheating will be done suitable adjustment with reference to the temperature of mould self, as long as can guarantee that racket is indeformable in type-approval process, basic variation does not take place and gets final product in fibre property.In the practice, owing to the temperature that shaper self is original is higher.The time of preheating was controlled at about 8 seconds, with the air pressure of 0.45Mpa, from the opening of described first fiber long tube and second plastics or nylon tube the racket of described pre-profiling was inflated again; Carry out the described heat-setting time that adds and be controlled at 7.5 minutes, temperature is controlled at about 165 ℃ and is advisable.
Step H. is to the typing racket of step G gained, and semi-finished product are as shown in Figure 6 cut apart opening and the described handle end handle outside, described first fiber long tube and second plastics or nylon tube that are reserved in described racket.
Through after the above-mentioned steps, use and remove burr, the processing of polishing, deoil,, conventional surface-treated technologies such as primer spray, application, carry out perfect to semi-finished product.At aforementioned otch 80 places, as shown in Figure 7, use a moulding in advance, and can with handle that this otch matches after overlap 81, the otch that described division process is formed covers and is closed, and can make the table tennis bat of full fibrous material.
Claims (9)
1. the preparation method of a table tennis bat comprises the following steps: successively
A. cut-parts: described cut-parts are meant first cut-parts that cut out at least two table tennis bat shapes on the fibrous material on plane, many second cut-parts of slightly being longer than the strip of handle;
B. around pipe: with fibrous material first plastics or nylon tube outer surface are all coated, make first fiber long tube of an end opening, other end sealing;
C. will be coiled in an orderly manner through described first fiber long tube of step B in described first cut-parts of tiling, another Zhang Suoshu first cut-parts are tiled in above described first fiber long tube after the coiling, described two first cut-parts are symmetrically distributed in described first fiber long tube outside after the coiling again; The blind end of described first fiber long tube is positioned at the described first cut-parts middle position, and the openend of described first fiber long tube is reserved in the outer end of described first cut-parts and racket handle junction;
D. with after second plastics or the sealing of nylon tube one end, be plugged on described first cut-parts and racket handle junction, the openend of described second plastics or nylon tube and the openend of described fiber long tube are parallel to be settled;
E. in an orderly manner the pipe shaft position through the openend of described first fiber long tube of step C and second plastics or nylon tube is coated repeatedly from the two sides with described second cut-parts, progressively form the handle of pre-profiling racket; The opening of described first fiber long tube and second plastics or nylon tube still is reserved in the handle outside of the racket of described pre-profiling;
F. from the face of the racket of described pre-profiling and the junction of handle, with the 3rd fibrous material cut-parts of a strip racket side parcel one circle, to the face of the racket of described pre-profiling and another junction of handle along described pre-profiling;
G. the racket of described pre-profiling is put into the mould of table tennis bat, passed through preheating successively, thermal finalization is inflated, added to the racket of described pre-profiling from the opening of described first fiber long tube and second plastics or nylon tube;
H. to the typing racket of step G gained, opening and the described handle end handle outside, described first fiber long tube and second plastics or nylon tube that are reserved in described racket are cut apart.
2. the preparation method of table tennis bat as claimed in claim 1, it is characterized in that: in described steps A, the shaped slightly of described first cut-parts is preset with the joint-cutting that is overmolding to handle greater than the face shape of table tennis bat in described second cut-parts; In described step C, use first die that is equivalent to the table tennis bat shape, as the pre-profiling mould of table tennis bat, the laying of described first cut-parts, the coiling of described fiber long tube are all finished in described pre-profiling mould; After described step D, before the step e, with the outer rim of described two first cut-parts roll up in opposite directions folded, be bonded together.
3. the preparation method of table tennis bat as claimed in claim 1, it is characterized in that: in described step B, concrete mode at described first plastics or nylon tube outer surface covered fiber material is, the mode of long band of using fibrous material to make to twine, after first end order from described first plastics or nylon tube is wound into the other end with described long band, twine in the opposite direction again, so that described first plastics or nylon tube outer surface all coat.
4. as the preparation method of each the described table tennis bat in the claim 1,2 or 3, it is characterized in that: after described step F, before the step G, the racket of described pre-profiling is put into a pre-profiling die that is equivalent to the table tennis bat shape, carry out cooling and shaping, chilling temperature is limited in-10 ℃-0 ℃.
5. the preparation method of table tennis bat as claimed in claim 4, it is characterized in that: in described step e, use the following step repeatedly: use first described second cut-parts that the pipe shaft position of the openend of described first fiber long tube and second plastics or nylon tube is coated earlier, re-use second described second cut-parts, from the bonding place of last second cut-parts, coat described pipe shaft position in opposite directions; Up to the handle that forms the pre-profiling racket.
6. the preparation method of table tennis bat as claimed in claim 5, it is characterized in that: in described step G, the time of preheating was controlled at 5 seconds-1 minute, with the air pressure of 0.2-0.6Mpa, the racket of described pre-profiling is inflated again from the opening of described first fiber long tube and second plastics or nylon tube; Carry out the described heat-setting time that adds and be controlled at 5 minutes-10 minutes, temperature is controlled between 150 ℃-180 ℃.
7. the preparation method of table tennis bat as claimed in claim 6 is characterized in that: behind described step H, overlap after using a handle, will cover through the otch that step H is cut apart formation.
8. as the preparation method of each the described table tennis bat in the claim 1,2 or 3, it is characterized in that: in described steps A, at first with two without the single layer fibre material that cuts, according to machine direction, paste into a double-deck fibrous material so that the mode of right-angled intersection is overlapping, for cutting; Described first cut-parts central shaft and described machine direction are the 30-60 degree.
9. the preparation method of table tennis bat as claimed in claim 8 is characterized in that: after described step F, before the step G, in described handle and face junction, from the two sides of described racket, re-use the cut-parts that fibrous material makes respectively and reinforce attaching; At the central part of described face, each attaches the square or rectangle cut-parts that one deck carbon fibre material is made again from the two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100444502A CN101766894B (en) | 2010-01-18 | 2010-01-18 | Method for manufacturing table tennis bat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100444502A CN101766894B (en) | 2010-01-18 | 2010-01-18 | Method for manufacturing table tennis bat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101766894A CN101766894A (en) | 2010-07-07 |
| CN101766894B true CN101766894B (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100444502A Expired - Fee Related CN101766894B (en) | 2010-01-18 | 2010-01-18 | Method for manufacturing table tennis bat |
Country Status (1)
| Country | Link |
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| CN (1) | CN101766894B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105148475A (en) * | 2015-09-11 | 2015-12-16 | 盐城市艾斯特体育器材有限公司 | Method for manufacturing table tennis bat |
| CN110000862B (en) * | 2018-12-14 | 2023-06-30 | 香港蒂尔控股集团有限公司 | Die for plate or racket through hole of cricket or beach tennis |
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2010
- 2010-01-18 CN CN2010100444502A patent/CN101766894B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101766894A (en) | 2010-07-07 |
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Granted publication date: 20111102 Termination date: 20170118 |