CN101585224A - Method for manufacturing reinforced seamless table tennis and manufacturing equipment thereof - Google Patents
Method for manufacturing reinforced seamless table tennis and manufacturing equipment thereof Download PDFInfo
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- CN101585224A CN101585224A CNA2009100596555A CN200910059655A CN101585224A CN 101585224 A CN101585224 A CN 101585224A CN A2009100596555 A CNA2009100596555 A CN A2009100596555A CN 200910059655 A CN200910059655 A CN 200910059655A CN 101585224 A CN101585224 A CN 101585224A
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Abstract
A method for manufacturing reinforced seamless table tennis and manufacturing equipment thereof are provided. The brand-new manufacturing method comprises the following steps: blending reinforcing materials in plastics and pouring a spherical mould; and solidifying the spherical mould into a seamless hollow reinforced ball with uniform wall thickness rotatably. The invention further provides a brand-new manufacturing device for realizing the manufacturing processes of holding, moving, positioning, injection moulding, suspending (or supporting) rotating and solidifying; the existing 'seamless' table tennis is formed by adhering two hemispheres and has seams therein; and most of table tennis are damaged from the seams. The whole processing needs dozens to thirty procedures and a period of 50-150 days. The invention eliminates the source of generating seams of table tennis thoroughly, further reinforces the balls, greatly prolongs the service life of table tennis, simplifies the processing and reduces the manufacturing period.
Description
Technical field
The present invention relates to a kind of really production method and the manufacturing equipment of seamless reinforcing table tennis (containing other organic compound hollow ball).This is the table tennis that special method of a kind of usefulness and special manufacturing equipment are produced.
Background technology
" seamless " table tennis of producing is to make with the method for bonding two hemisphere now, and in fact there is seam its inside.In use, exhausted too many number table tennis begins to damage from its seam crossing.Thereby, even two hemisphere are all reinforced, can not prolong its service life yet.Whole production will be through tens to 30 procedures and the cycle about 50 to 150 days.
Summary of the invention
The objective of the invention is to replace original production technology with new method and apparatus, produce real inside and outside all seamless table tennis.And reinforce spheroid, simplify working process, the shortening cycle.Prolong the service life of table tennis greatly.
For achieving the above object, the basic production method that the present invention adopts is: the injection moulding that makes the mould rotation in spherical mould behind the injected plastic.That is: according to different plastics, wherein can mix different reinforced fibers, select different moulds, different temperatures and injection moulding process, mould behind the injected plastic is under the control of the gas of the controlled jet pipe ejection of temperature and pressure, make it to be suspended in aerial (or still be placed on the spring bearing, not unsettled) and controlled comprehensive rotation.The plastics that in mould, inject finally can be even invest the Internal Spherical Surface of mould, will form wall thickness seamless hollow reinforcing spheroid uniformly behind the cure and demold.
The present invention has fundamentally eliminated the source in table tennis generation crack.Further spheroid is reinforced again.
Description of drawings
Fig. 1 represents real seamless reinforcing table tennis production method and manufacturing equipment profile of the present invention.
The specific embodiment
As shown in Figure 1: device housings 1 top is netted cylinder, and the bottom is the pedestal with a plurality of fixing holes 2.Device housings 1 is just avoided mould 3 to be blown when test run flying.It can be removed during ordinary production need not.
When mould 3 was placed in the location, outer tube 7 should be bled earlier, withdrawal locating pin 9.In pipe 5 blow, stretch out pilot pin 8 and be inserted into centre bore 10 on the mould 3.Pipe 6 is air-breathing in this moment, and mould 3 is held with suitable negative pressure.Axially sticking device 4 is located in rotary die 3 or rotation then, and the locating pin 9 on the location sticking device 4 is aimed at the locating hole 11 on the mould.Outer tube 7 is jet, and locating pin 9 is stretched out, and inserts the locating hole 11 (the double steam vent 11 of doing during injection moulding when adopting the photoelectricity location, does not need locating hole 11, and be manufactured with the steam vent 11 of right quantity in advance on mould 3) on the mould 3, plays positioning action.Running fix sticking device 4 is with mould 3 direction clamping and being put on the spring bearing 12 in accordance with regulations.(this spring bearing 12 is a bowl type ball bearing, and the radian of its Internal Spherical Surface is consistent with the radian of mould therefor 3 spherical outside surfaces.Mould 3 is can root firm be placed on above, after removing location sticking device 4, can freely rotate.Spring bearing 12 is fixed on the bearing block 13.Bearing block 13 is fixed on the work top.)
When adopting the photoelectricity location, be printed with the Photoelectric Detection hash mark on mould 3, the interior pipe 5 of location sticking device 4 is blown, and stretches out pilot pin 8, and is inserted into the centre bore 10 on the mould 3, and middle pipe 6 is air-breathing, holds mould 3.Axially sticking device 4 is located in rotary die 3 or rotation then, when photoelectric device detects the Photoelectric Detection hash mark.Mould 3 is stopped on injection molding tube 14 and the position that injection hole 15 is aimed at.
Injection step is as follows: with heating (or not heating) such as the raw material got ready, auxiliary material, moulds.Injection molding tube 14 is inserted the injection hole 15 on (the spherical mould of papery can directly insert, and spherical mould of plastics and metal ball shaped mould need contraposition to insert) mould 3.At this moment, outer tube 7 is air-breathing, and locating pin 9 is sucked back.At this moment locating hole 11 uses with regard to double as steam vent 11 in injection moulding subsequently.After injecting the plastics (when adopting the photoelectricity location, injection molding tube 14 can insert injection hole 15 with injection molding tube 14 after aiming at injection hole 15, and injected plastic) of proper temperature, withdraw from injection molding tube 14.Sealing tube 16 ejection sealing solutions are sealed injection hole 15.In pipe 5 air-breathing, withdrawal pilot pin 8.Mould 3 is unclamped in 6 air inlets of middle pipe.Upwards remove location sticking device 4.The set suspension jet pipe 17 in mould 3 belows is jet immediately, with mould 3 spring bearing 12 that blows off, and makes 3 one-tenth suspended states of mould.Restart the mould set some swivelling-nozzles 18 on every side that suspend, spray the air of suitable direction, temperature and pressure, make mould 3 comprehensive rotation of high speed under suspended state of suspension; Or do not start suspension jet pipe 17, and only start corresponding swivelling-nozzle 18, make the golden orientation rotation of mould 3 high speed on spring bearing 12.Stop jetly, after the cooling curing moulding, move into location sticking device 4, middle pipe is 6 air-breathing, mould 3 is held and presss from both sides out (or do not move into the location inhale special device and directly use suspension jet pipe 17, with mould 3 ejections).
It should send to the demoulding earlier to metal pattern, and the semi-finished product after the die sinking carry out the spheroid appearance and accurately polish.Spherical mould of papery and the spherical mould of plastics then directly send the polishing operation, earlier Mold polishing fallen, and behind the only surplus injection moulding spheroid, accurately polishing again.Concrete grammar (technological process) detailed rules for the implementation are as follows:
1 gets the raw materials ready
1.1 organic and inorganic chemistry raw material such as solidify the back, solidify the heating back, mix that the back is solidified can be prepared to solidify, be cooled off to raw material except that general common used material (as: celluloid), as the basic raw material that forms seamless spheroid according to arts demand in normal temperature.
1.2 auxiliary material comprises fiber (as: carbon fiber, glass fibre, silk, cotton etc.) and demoulding Ji, the sealing solution etc. of the various reinforcing usefulness of all kinds of solvents, dyestuff that need usefulness.
1.3 mould
1.3.1 spherical mould papery (comprising that other is organic and inorganic) fiber)
It there is the fibrous paper of certain intensity, thickness and gas permeability, is processed into two hemisphere in advance and is bonded into spheroid.This mould is disposable use mould.Need not the location before the injection moulding, injection hole can seal voluntarily after injection moulding was finished.Need not the demoulding after the seamless spheroid moulding.
1.3.2 the spherical mould of plastics
Be beforehand with what a centre bore and some, suitably injection hole, the locating hole (steam vent) of size and position in position with the north tablet of suitable material and thickness, be hot pressed into two hemisphere after, heat seal or be bonded into spheroid with holes.When adopting the photoelectricity location, on a hemisphere, need printing coating electro-detection hash mark at least.This mould is disposable use mould.Need not the demoulding after the spheroid moulding.The fusing point of this mould should be far above injecting raw-material fusing point.
1.3.3 metal ball shaped mould
Be beforehand with what a centre bore and some, suitably injection hole, locating hole (steam vent) when size and position in position with the sheet metal of suitable material and thickness, make a hemisphere, a segment (or making two segments).Available thread screws, directly fasten or after mode such as screw-driving makes two one side of something altogether, inside and outsidely all becomes spheroid with holes.At least on a hemisphere, need printing coating electro-detection hash mark when adopting the photoelectricity location.This mould must be coated demoulding Ji for reusing mould at inwall before each the use.
2 prepare and injection moulding
Injection moulding divides three kinds of citation forms.The normal temperature injection moulding: raw material that can solidify voluntarily and auxiliary material, solvent, curing agent etc. mix back injection mould at normal temperatures; Heating injection moulding: will inject mould after the heat fused such as raw material that at high temperature can melt; Powder injection molding: the powder raw material that will at high temperature can melt etc. directly is blown into mould.
2.1 prepare and startup:
2.1.1 prepare: to the product that needs reinforcement, should in raw material, evenly mix selected fiber in advance, when injection moulding, together inject mould.
2.1.2 preheating:
2.1.2.1 before the normal temperature injection moulding: mixing such as raw material that will can solidify voluntarily at normal temperatures and auxiliary material, solvent, curing agent, according to the room temperature situation, can select not heat or heat in advance to reduce the viscosity of charging.
2.1.2.2 before the heating injection moulding: should with raw material in advance heat fused to suitable viscosity.
2.1.2.3 before the powder injection molding: do not need to heat in advance.
2.1.2.4 mould and die preheating: can select whether to be blown into hot gas, make mould preheating under suspended state not with the suspension shower nozzle.
2.1.3 location: by predetermined direction die location is fixed and is clamped on the spring bearing with location sticking device.Provide condition for accurately inserting injection molding tube.Adopt the method front of photoelectricity location to narrate.
2.2 injection moulding:
2.2.1 insert: injection molding tube is aimed at (the spherical mould of papery can directly insert, and spherical mould of plastics and metal ball shaped mould need contraposition) and inserted the injection hole on the mould.
2.2.2 injection moulding: the plastics (raw material and auxiliary material, solvent, curing agent etc.) that inject proper temperature with injection molding tube with suitable pressure.
2.2.3 seal: withdraw from injection molding tube.May cause that at injection hole injection material is more when excessive, sealing tube ejection sealing solution seals injection hole.Also can adopt stickup or coating to wait other method sealing injection hole.
3 outstanding revolve and solidify
3.1 outstanding revolving: after removing location sticking device, open the suspension jet pipe, the gas that injection temperation and pressure are controlled.Mould after the injection moulding is suspended in the air.Open swivelling-nozzle again, the gas that sprays suitable direction, temperature and pressure makes mould comprehensive rotation under suspended state.The plastics that in mould, inject finally can be even invest the Internal Spherical Surface of mould.Also can not start the suspension jet pipe, mould after the injection moulding is placed on the spring bearing, make it under the power of swivelling-nozzle ejection gas, controlled comprehensive rotation on spring bearing.
3.2 solidify: direction, pressure, temperature (heating or refrigeration) and the time of when mould is in suspension or holding state, controlling corresponding jet pipe ejection air, the plastics that inject in mould finally solidify gradually at rotation status, will form the uniform seamless hollow ball of wall thickness after the demoulding.
3.2.1 the normal temperature injection moulding is right: swivelling-nozzle and suspension jet pipe only need spray gas at normal temperature, also can spray heating or refrigerant gas, in order to accelerate the curing process, shorten man-hour.
3.2.2 during the heating injection moulding: preferably select papery or metal ball shaped mould for use, and should suitably control direction, pressure, the temperature and time that revolves floating jet pipe and outstanding commentaries on classics jet pipe ejection gas.And reduce temperature gradually, until final curing.
3.3.3 during powder injection molding: should suitably control and revolve floating jet pipe and outstanding direction, pressure, the temperature and time that changes jet pipe ejection gas.Heating earlier also evenly is attached to the concrete inner surface of spherical mold until powder smelting.Cooling is gradually finally solidified injection material again.
4 demouldings
Stop jet back and press from both sides out (or spray with the suspension jet pipe) mould with location sticking device.Metal ball shaped mould should the first demoulding, only need open its retaining mechanism during the demoulding and get final product.Papery and plastics spherical mold are then directly sent the polishing operation.Metal ball shaped mould is reusable.
5 polishings:
Semi-finished product after the metal ball shaped mould die sinking are directly carried out the spheroid appearance accurately polishes.To the semi-finished product in papery and the spherical mould of plastics, accurately polishing again after the Mold polishing of appearance should being fallen.
6 lid looks:
Because adopt the table tennis gray of carbon fiber reinforcement, a last described accurate polishing can change rough polish into, and to the spheroid appearance after the rough polish, brush again or the hot plastics that spray white or other color etc. covered.Cooled spheroid is accurately polished again.
7 dryings:
Drying equipment is as good as with general table tennis drying table equipment.Temperature during the rotation of control mould, pressure, time etc. can shorten drying time.
8 checks:
Exfactory inspection: identical with general table tennis check.Spheroid to weight and diameter exceed standard can return the polishing operation.
9 letterings:
Be up to the standards and dispatch from the factory behind the lettering.
Claims (12)
1. the production method of a real seamless reinforcing table tennis (containing other organic compound hollow ball) is characterized in that adopting papery (containing other organic and inorganic fiber), plastics and metal ball shaped mould; With pneumatic holding device (location sticking device) press constant bearing (or not orientation) with spherical mould sticking to spring bearing; With the method for injection moulding in spherical mould, inject can final curing material; In injection material, mix (or not mixing) and reinforce the fiber of usefulness; With jet method, make the mould unsettled (or not unsettled) behind the injection material, and rotation, directly (or after die sinking) polish seamless hollow ball after injected plastics material solidifies.
2. production method as claimed in claim 1 is characterized in that: use spherical mould.Mould therefor is disposable use or reusable mould.
3. production method as claimed in claim 1 is characterized in that: the injection moulding process of material such as injected plastic in spherical module, and as the basic skills of producing seamless hollow ball.
4. production method as claimed in claim 1 is characterized in that: mix fiber in the material such as injected plastic in spherical module, in order to the product strength of reinforcing.
5. production method as claimed in claim 1 is characterized in that: make (or on supporter) the comprehensive rotation that suspends of mould behind the injection material aloft with jet method, make injection material evenly be attached to the mould Internal Spherical Surface.Jet body can control hoverheight, temperature, rotary speed and the direction of mould.
6. production method as claimed in claim 1 is characterized in that: use pneumatic holding device (location sticking device) that spherical module is positioned (or adopt the photoelectricity location, the papery spherical module need not the location), make injection molding tube aim at the injection hole of mould; And can carry out clamping to mould, operation such as unclamp, move.
7. the manufacturing equipment of a real seamless reinforcing table tennis (containing other organic compound hollow ball) is characterized in that: this manufacturing equipment is made up of five main portions, parts, and one is: spherical module, as the carrier of seamless hollow ball; It two is: injection molding tube and sealing tube, in order to injection moulding and sealing injection hole; It three is: air jet pipe, in order to the solidification process after suspension, rotation and the injection moulding of control mould (can also with the ejection of the mould after solidifying, so that send next operation); It four is: the supporter of mould (spring bearing), in order to supporting mould; It five is: pneumatic holding device (location sticking device) is in order to control mould.
8. manufacturing equipment as claimed in claim 7 is characterized in that: be equipped with a plurality of injection molding tubes and with the same number of sealing tube of injection molding tube, in order to respectively mould is carried out injection moulding and when injected plastic is excessive, the ejection sealing solution is in order to seal injection hole.
9. manufacturing equipment as claimed in claim 7 is characterized in that: use the spherical mould of being made up of two hemisphere, three kinds of basic moulds are arranged: one, the spherical mould of papery (comprising other organic and inorganic fiber), this mould are that the fibrous paper that will have certain intensity, thickness and gas permeability is processed into two hemisphere in advance and is bonded into spheroid.This mould is disposable use mould.Need not the location before the injection moulding, injection hole can seal voluntarily after injection moulding was finished.Need not the demoulding behind institute's injected plastic curing molding.Directly polish off mould and just produce seamless hollow ball; Its two, the spherical mould of plastics is to have centre bore, injection hole and locating hole (steam vent), be hot pressed into two hemisphere with plastic sheet after, heat seal or the spheroid with holes that is bonded into.When adopting the photoelectricity location, on a hemisphere, need printing coating electro-detection hash mark at least.This mould is disposable use mould.Need not the demoulding behind institute's injected plastic solidified forming, directly polish off mould and just produce seamless hollow ball.The fusing point of this mould should be far above injecting raw-material fusing point; Its three, metal ball shaped mould is the spheroid with holes that centre bore, injection hole and locating hole (steam vent) are arranged, this mould is made a hemisphere, a segment (or making two segments).Available thread screws, directly fasten or after mode such as screw-driving makes two hemisphere altogether, inside and outsidely all becomes spheroid with holes.At least on a hemisphere, need printing coating electro-detection hash mark when adopting the photoelectricity location.This mould must be coated demoulding Ji for reusing mould at inwall before each the use.
10. manufacturing equipment as claimed in claim 7 is characterized in that: one, and below manufacturing equipment, be equipped with and mould can be sprayed onto in the air, become the air jet pipe (suspension jet pipe) of suspended state.Can spray normal temperature, heating or refrigerant gas, the temperature and the hoverheight of mould are controlled.Can also be with the mould spray from spring bearing, so that enter subsequent processing; Its two, a plurality of air jet pipes (swivelling-nozzle) are installed, in order to the comprehensive rotation of control mould around the suspension of mould or Support Position.Also can spray normal temperature, heating or refrigerant gas, temperature, the speed of rotation, the direction of mould are controlled.
11. manufacturing equipment as claimed in claim 7 is characterized in that: a spring bearing is installed below mould, this bearing is a bowl type ball bearing, the radian of its Internal Spherical Surface is consistent with the radian of mould therefor spherical outside surface, mould can be very firm be placed on above, and under the effect of air jet pipe, mould can rotate freely in the above.Bearing fixing is on bearing block.Bearing block is fixed on the work top.
12. manufacturing equipment as claimed in claim 7 is characterized in that: use pneumatic holding device (location sticking device), in order to control spherical mould, this device top is three layers of sleeve structure, (also can be without sleeve structure, and directly be connected on the relevant position of its underpart bowl-shaped body by pipe joint with flexible pipe); The bowl-shaped body structure is adopted in sticking device bottom, location, and the Internal Spherical Surface of bowl-shaped body and the spherical outside surface of mould match, bowl-shaped body by the lower part a plurality of locating pins that can stretch certain distance are housed.The back space and the outer tube of locating pin communicate.(when adopting the photoelectricity location, do not need locating pin, outer tube are installed and are communicated passage) with the back space of locating pin; An aciculiform thing of interior management and control system (pilot pin) of location sticking device, its certain distance that can slide in interior pipe positions in order to the center to mould; The middle pipe of location sticking device communicates with the bowl-shaped body Internal Spherical Surface, and control bowl-shaped body internal air pressure is in order to sticking or relieving mould; The outer tube of location sticking device communicates with the space at locating pin rear portion, and the stretching of control locating pin is in order to the orientation of fixed mould, so that make injection molding tube accurately insert injection hole on the mould.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100596555A CN101585224B (en) | 2009-06-18 | 2009-06-18 | Method for manufacturing reinforced seamless table tennis and manufacturing equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100596555A CN101585224B (en) | 2009-06-18 | 2009-06-18 | Method for manufacturing reinforced seamless table tennis and manufacturing equipment thereof |
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| CN101585224A true CN101585224A (en) | 2009-11-25 |
| CN101585224B CN101585224B (en) | 2012-02-22 |
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| CN2009100596555A Expired - Fee Related CN101585224B (en) | 2009-06-18 | 2009-06-18 | Method for manufacturing reinforced seamless table tennis and manufacturing equipment thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010111920A1 (en) * | 2009-03-31 | 2010-10-07 | Zhang Huilun | Table tennis ball with seamless whole structure |
| CN105128251A (en) * | 2015-07-17 | 2015-12-09 | 上海红双喜股份有限公司 | Table tennis ball manufactured through hot runner |
| CN105398045A (en) * | 2015-12-02 | 2016-03-16 | 苏州聚慧体育用品有限公司 | Ping-pong ball assembly component |
| CN109032718A (en) * | 2018-06-21 | 2018-12-18 | 珠海金山网络游戏科技有限公司 | A kind of methods, devices and systems of the remote dummy computer based on wireless technology |
| CN111319204A (en) * | 2020-03-02 | 2020-06-23 | 罗永莉 | Intelligent injection molding system |
| CN111331787A (en) * | 2020-03-02 | 2020-06-26 | 罗永莉 | Plastic injection mold and injection molding method |
| CN117804871A (en) * | 2024-02-23 | 2024-04-02 | 西南石油大学 | Basalt fiber microdroplet debonding sample curing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2003420B (en) * | 1977-08-31 | 1982-01-06 | Frido Ltd | Moulding of playballs |
| CN1410250A (en) * | 2001-09-25 | 2003-04-16 | 骆益群 | Table tennis and its preparation method |
-
2009
- 2009-06-18 CN CN2009100596555A patent/CN101585224B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010111920A1 (en) * | 2009-03-31 | 2010-10-07 | Zhang Huilun | Table tennis ball with seamless whole structure |
| CN105128251A (en) * | 2015-07-17 | 2015-12-09 | 上海红双喜股份有限公司 | Table tennis ball manufactured through hot runner |
| CN105398045A (en) * | 2015-12-02 | 2016-03-16 | 苏州聚慧体育用品有限公司 | Ping-pong ball assembly component |
| CN105398045B (en) * | 2015-12-02 | 2017-08-25 | 苏州聚慧体育用品有限公司 | A kind of table tennis closes ball component |
| CN109032718A (en) * | 2018-06-21 | 2018-12-18 | 珠海金山网络游戏科技有限公司 | A kind of methods, devices and systems of the remote dummy computer based on wireless technology |
| CN111319204A (en) * | 2020-03-02 | 2020-06-23 | 罗永莉 | Intelligent injection molding system |
| CN111331787A (en) * | 2020-03-02 | 2020-06-26 | 罗永莉 | Plastic injection mold and injection molding method |
| CN111319204B (en) * | 2020-03-02 | 2022-03-29 | 杭州宏凌塑胶五金有限公司 | Intelligent injection molding system |
| CN111331787B (en) * | 2020-03-02 | 2022-05-06 | 无锡市唯尔得塑业有限公司 | Plastic injection mold and injection molding method |
| CN117804871A (en) * | 2024-02-23 | 2024-04-02 | 西南石油大学 | Basalt fiber microdroplet debonding sample curing device |
| CN117804871B (en) * | 2024-02-23 | 2024-05-03 | 西南石油大学 | Basalt fiber microdroplet debonding sample curing device |
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| CN101585224B (en) | 2012-02-22 |
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