CN105617622A - Seamless table tennis ball with skeleton and manufacturing technology thereof - Google Patents
Seamless table tennis ball with skeleton and manufacturing technology thereof Download PDFInfo
- Publication number
- CN105617622A CN105617622A CN201511014120.8A CN201511014120A CN105617622A CN 105617622 A CN105617622 A CN 105617622A CN 201511014120 A CN201511014120 A CN 201511014120A CN 105617622 A CN105617622 A CN 105617622A
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- China
- Prior art keywords
- skeleton
- table tennis
- seamless
- spherical
- glue
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B39/00—Hollow non-inflatable balls, i.e. having no valves
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B39/00—Hollow non-inflatable balls, i.e. having no valves
- A63B39/06—Special coverings
- A63B39/08—Special coverings made of two halves
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a seamless table tennis ball with a skeleton and a manufacturing technology thereof. A shell of the seamless table tennis ball with the skeleton comprises circular-arc longitude skeleton bodies. A spherical structure is defined by the multiple longitude skeleton bodies, and the two ends of the multiple longitude skeleton bodies are connected into a whole through top covers to form the elastic spherical skeleton; a fine net layer connected with the skeleton into a whole is arranged outside the skeleton; a glue connection layer is arranged outside of the fine net layer; a PVC ball shell integrally formed through injection molding is arranged outside the glue connection layer. The defects that a hemisphere-glue-type table tennis ball in the prior art is prone to damage, and the service life is not long; meanwhile, production steps are excessive, and consumed time is overlong are overcome.
Description
Technical field
The present invention is specifically related to sports goods technical field, is specially seamless table tennis and the manufacturing process thereof of band skeleton.
Background technology
The spherical shell that the spherical PVC material of the many employings of the table tennis of prior art two and half is made sticks into spherical by adhesive glue, its processing step comprises PVC board is cut into spherical sheet material, again spherical sheet material heat fusion jig is pressed into semisphere, again by the two halves of semisphere in use, the seam of the table tennis of this kind of structure is very easily damaged. Even if using more advanced gluing formula, two hemisphere all being reinforced, also can not extend its work-ing life. The scrappy step of whole production process is excessively long simultaneously, consuming time excessively long.
Summary of the invention
For the problems referred to above, the present invention provides seamless table tennis and the manufacturing process thereof of band skeleton. The hemisphere adhesive type table tennis solving prior art easily damages, and the life-span is not long, and production stage is too much simultaneously, excessively long shortcoming consuming time.
An object of the present disclosure is to provide the seamless table tennis of a kind of band skeleton, the shell of the seamless table tennis of above-mentioned band skeleton comprises circular arc warp bone, many described warp bones are crowded around into spherical, the two ends of multiple described warp bone are connected by top cover and form the spherical skeleton of elasticity, the fine and closely woven net layer being connected with skeleton it is provided with outside above-mentioned skeleton, it is provided with glue interconnect layer outside above-mentioned fine and closely woven net layer, outside above-mentioned glue interconnect layer, it is provided with the PVC spherical shell by injection moulding integrated molding.
Further, above-mentioned warp bone and parallel bone are 1/5th of table tennis PVC spherical shell at the thickness of table tennis radial direction.
Further, the end, two ends of above-mentioned warp bone is provided with groove, and described groove connects with the circular fin card being arranged on described top cover end face.
The present invention the 2nd object is to provide the manufacturing process of the seamless table tennis of above-mentioned band skeleton.
The first step, makes bone, utilizes 3D printer or mold pressing to make above-mentioned warp bone and top cover, and is assembled into the spherical skeleton of elasticity,
2nd step, spray silk, utilizes extruding type spray silk machine, spray by the filament of molten for heat state and be set on above-mentioned skeleton, repeatedly spray and formed be attached to above-mentioned skeleton outward and the fine and closely woven net layer being connected with skeleton;
3rd step, spray epoxy glue, thermally melting PVC sheet ultrasonic grinding is become ultra tiny PVC material powder, hot melt adhesive powder and above-mentioned PVC material powder are mixed according to the volume ratio of 1:1-1:2, and join and common glue also stirs evenly formation mixing glue, afterwards epoxy glue is coated with also forming section and penetrates into transition epoxy glue interconnect layer in fine and closely woven net layer;
4th step, the work in-process in the 3rd step are placed in condensing chamber condensation by condensation;
5th step, work in-process are placed into and spherical close up in the spherical shell mould formed by two and half, again by injection moulding machine to the PVC material injecting molten state between work in-process and spherical shell type mould, cooling afterwards forms seamless spherical shell 3, die sinking, deburring, can obtain having one-body molded and completely seamless table tennis.
Further, the injection hole of above-mentioned injection moulding machine is at the end points up and down of above-mentioned spherical shell mould.
Further, above-mentioned injection moulding machine injection temperature is 150-200 degree.
Further, the material of above-mentioned skeleton is high temperature resistant plastics, comprises LCP, and above-mentioned high temperature resistant plastic hot melt temperature is higher than above-mentioned PVC material hot melting temperature.
Further, the hot melting temperature of above-mentioned filament is more than or equal to above-mentioned PVC material hot melting temperature.
Useful effect
The seamless table tennis of the band skeleton that invention provides and manufacturing process thereof, table tennis manufacturing process compared to existing technology, processing step of the present invention is few, manufacture fast, completely seamless table tennis can be formed, there is skeleton in table tennis simultaneously, effectively prevent table tennis from damaging.
Figure of description
Fig. 1 is the table tennis sectional structure schematic diagram of the present invention.
Fig. 2 is the sectional view of skeleton of the present invention.
Fig. 3 is the vertical view of skeleton of the present invention.
Embodiment
Below by specific embodiment, the technical scheme of the present invention is further described in detail.
Embodiment 1
An object of the present disclosure is to provide the seamless table tennis of a kind of band skeleton, the shell of the seamless table tennis of above-mentioned band skeleton comprises circular arc warp bone 11, many described warp bones 11 are crowded around into spherical, the two ends of multiple described warp bone 11 are connected by top cover 12 and form the spherical skeleton 1 of elasticity, the fine and closely woven net layer 2 being connected with skeleton it is provided with outside skeleton 1, it is provided with glue interconnect layer 3 outside fine and closely woven net layer, outside glue interconnect layer, it is provided with the PVC spherical shell 4 by injection moulding integrated molding.
As the preferred embodiment of the present invention, warp bone is 1/5th of table tennis PVC spherical shell at the thickness of table tennis radial direction.
As the preferred embodiment of the present invention, the end, two ends of warp bone 11 described above is provided with groove, and described groove connects with the circular fin card 13 being arranged on described top cover 12 end face.
Embodiment 2
Seamless table tennis manufacturing process with skeleton. Its step is as follows:
The first step, makes bone, utilizes 3D printer or mold pressing to make described warp bone 11 and top cover 12, and is assembled into the spherical skeleton 1 of elasticity,
2nd step, spray silk, utilizes extruding type spray silk machine, spray by the filament of molten for heat state and be set on skeleton 1, repeatedly spray and formed be attached to skeleton 1 outward and the fine and closely woven net layer 2 being connected with skeleton;
3rd step, spray epoxy glue, thermally melting PVC sheet ultrasonic grinding is become ultra tiny PVC material powder, hot melt adhesive powder and PVC material powder are mixed according to the volume ratio of 1:1-1:2, and join and common glue also stirs evenly formation mixing glue, afterwards epoxy glue is coated with also forming section and penetrates into transition epoxy glue interconnect layer 3 in fine and closely woven net layer;
4th step, the work in-process in the 3rd step are placed in condensing chamber condensation by condensation;
5th step, work in-process are placed into and spherical close up in the spherical shell mould formed by two and half, again by injection moulding machine to the PVC material injecting molten state between work in-process and spherical shell type mould, cooling afterwards forms seamless spherical shell 4, die sinking, deburring, can obtain having one-body molded and completely seamless table tennis.
As the preferred embodiment of the present invention, the injection hole of injection moulding machine is at the end points up and down of spherical shell mould.
As the preferred embodiment of the present invention, injection moulding machine injection temperature is 150-200 degree.
As the preferred embodiment of the present invention, the material of skeleton is high temperature resistant plastics, comprises LCP, and high temperature resistant plastic hot melt temperature is higher than PVC material hot melting temperature.
As the preferred embodiment of the present invention, the hot melting temperature of filament is more than or equal to PVC material hot melting temperature.
Above-described embodiment is the one preferably scheme of the present invention, not the present invention is done any restriction in form, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (8)
1. the seamless table tennis of band skeleton, it is characterized in that, the shell of the seamless table tennis of above-mentioned band skeleton comprises circular arc warp bone, many described warp bones are crowded around into spherical, the two ends of multiple described warp bone are connected by top cover and form the spherical skeleton of elasticity, it is provided with the fine and closely woven net layer being connected with skeleton outside described skeleton, outside described fine and closely woven net layer, it is provided with glue interconnect layer, outside described glue interconnect layer, be provided with the PVC spherical shell by injection moulding integrated molding.
2. the seamless table tennis of band skeleton as claimed in claim 1, it is characterised in that, described warp bone is 1/5th of table tennis PVC spherical shell at the thickness of table tennis radial direction.
3. the seamless table tennis of band skeleton as claimed in claim 1, it is characterised in that, the end, two ends of described warp bone is provided with groove, and described groove connects with the circular fin card being arranged on described top cover end face.
4. the seamless table tennis manufacturing process of band skeleton as described in claim 1-3, it is characterised in that, its step is as follows:
The first step, makes bone, utilizes 3D printer or mold pressing to make described warp bone and top cover, and is assembled into the spherical skeleton of elasticity,
2nd step, spray silk, utilizes extruding type spray silk machine, spray by the filament of molten for heat state and be set on described skeleton, repeatedly spray and formed be attached to described skeleton outward and the fine and closely woven net layer being connected with skeleton;
3rd step, spray epoxy glue, thermally melting PVC sheet ultrasonic grinding is become ultra tiny PVC material powder, hot melt adhesive powder and described PVC material powder are mixed according to the volume ratio of 1:1-1:2, and join and common glue also stirs evenly formation mixing glue, afterwards epoxy glue is coated with also forming section and penetrates into transition epoxy glue interconnect layer in fine and closely woven net layer;
4th step, the work in-process in the 3rd step are placed in condensing chamber condensation by condensation;
5th step, injection moulding, work in-process are placed into and spherical close up in the spherical shell mould formed by two and half, again by injection moulding machine to the PVC material injecting molten state between work in-process and spherical shell type mould, cooling afterwards forms seamless spherical shell 3, die sinking, deburring, can obtain having one-body molded and completely seamless table tennis.
5. the seamless table tennis manufacturing process of band skeleton as claimed in claim 4, it is characterised in that, the injection hole of described injection moulding machine is at the end points up and down of described spherical shell mould.
6. the seamless table tennis manufacturing process of band skeleton as described in claim 4 or 5, it is characterised in that, described injection moulding machine injection temperature is 150-200 degree.
7. the seamless table tennis manufacturing process of band skeleton as described in claim 4 or 5, it is characterised in that, the material of described skeleton is high temperature resistant plastics, comprises LCP, and described high temperature resistant plastic hot melt temperature is higher than described PVC material hot melting temperature.
8. the seamless table tennis manufacturing process of band skeleton as described in claim 4 or 5, it is characterised in that, the hot melting temperature of described filament is more than or equal to described PVC material hot melting temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511014120.8A CN105617622B (en) | 2015-12-31 | 2015-12-31 | Seamless table tennis with skeleton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511014120.8A CN105617622B (en) | 2015-12-31 | 2015-12-31 | Seamless table tennis with skeleton |
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| Publication Number | Publication Date |
|---|---|
| CN105617622A true CN105617622A (en) | 2016-06-01 |
| CN105617622B CN105617622B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511014120.8A Active CN105617622B (en) | 2015-12-31 | 2015-12-31 | Seamless table tennis with skeleton |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536215A (en) * | 2015-12-31 | 2016-05-04 | 浙江曙光体育用品有限公司 | Seamless table tennis ball with skeleton |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2774577Y (en) * | 2005-01-27 | 2006-04-26 | 黄建文 | Table tennis ball |
| CN201719763U (en) * | 2010-04-12 | 2011-01-26 | 陆臻 | Pingpong ball with convex rib net on inner wall of ball body |
| CN102700684A (en) * | 2012-05-30 | 2012-10-03 | 周涛 | Spherical buoy and manufacturing method thereof |
| CN105111671A (en) * | 2015-09-28 | 2015-12-02 | 无锡市科恩塑胶有限公司 | Table tennis ball and production method thereof |
-
2015
- 2015-12-31 CN CN201511014120.8A patent/CN105617622B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2774577Y (en) * | 2005-01-27 | 2006-04-26 | 黄建文 | Table tennis ball |
| CN201719763U (en) * | 2010-04-12 | 2011-01-26 | 陆臻 | Pingpong ball with convex rib net on inner wall of ball body |
| CN102700684A (en) * | 2012-05-30 | 2012-10-03 | 周涛 | Spherical buoy and manufacturing method thereof |
| CN105111671A (en) * | 2015-09-28 | 2015-12-02 | 无锡市科恩塑胶有限公司 | Table tennis ball and production method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536215A (en) * | 2015-12-31 | 2016-05-04 | 浙江曙光体育用品有限公司 | Seamless table tennis ball with skeleton |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105617622B (en) | 2018-07-27 |
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