CN201693727U - Die for forming hollow bouncing ball and hollow bouncing ball formed by using die - Google Patents
Die for forming hollow bouncing ball and hollow bouncing ball formed by using die Download PDFInfo
- Publication number
- CN201693727U CN201693727U CN2010201937447U CN201020193744U CN201693727U CN 201693727 U CN201693727 U CN 201693727U CN 2010201937447 U CN2010201937447 U CN 2010201937447U CN 201020193744 U CN201020193744 U CN 201020193744U CN 201693727 U CN201693727 U CN 201693727U
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- elastic force
- hollow elastic
- force ball
- mould
- moulding
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Abstract
The utility model discloses a die for forming a hollow bouncing ball and a hollow bouncing ball formed by using the die. A convex portion is arranged on a die cavity surface on the main body of the die; a concave taper is arranged on the end face of the convex portion; the center of the taper is provided with a penetrative center hole which ensures to form a fluid injecting nozzle on the formed hollow bouncing ball main body, whose outer surface is a concave hole and the concave hole bottom face is a projecting taper. The utility model also includes a mold core passing through the center hole; after the mold core is penetrative in the center hole, one end in the die cavity and the die cavity surface keep a proper distance, thus forming the projecting taper on the inner side face of the fluid injecting nozzle on the formed hollow bouncing ball main body.
Description
Technical field
The utility model relates to a kind of mould and this formed in mould hollow elastic force ball of use that possesses flexible hollow elastic force ball that be used for making.
Background technology
Common ball such as basketball, football is after utilizing the elastomeric material moulding, air injected to expand in the spheroid make spheroid produce elastic force; Another kind of then is to be solid by PU (polyurethane) forming materials near the elastic force ball of toy character, utilizes the rubber-like character of material own that elastic force is provided.The elastic force ball of another hollow is also for utilizing the PU material to come moulding, and the space can be injected liquid according to need or insert ornament in the spheroid of its hollow, even can or form various appearance at internal face colored drawing pattern, the decorative pattern of spheroid.
The PU material that is used for making described elastic force ball is to be formed according to the special ratios mixing preparation by at least two kinds of liquid chemical raw materials, and this liquid material can produce chemical reaction after mixing, and is solidified into elastomer in a period of time gradually.Based on technology limitation, make wherein a kind of mode of hollow elastic force ball at present with the PU material, be the PU material to be coated mould inner surface come moulding; In the process, utilize mould on the spheroid of moulding, to reserve fluid and annotate mouth, inject spheroid, and then utilize that envelope mouth plug is crowded goes into fluid and annotate mouth and seal in the successive process gas or liquid being annotated mouth via this fluid.
The fluid of existing hollow elastic force ball is annotated mouth, is a kind ofly to extend to the longitudinal bodies in space in the spheroid from the spheroid inner surface, and annotates mouth at fluid and form and have the inside and outside through hole of the spheroid of perforation; After fluid is injected in the spheroid via this through hole, utilize envelope mouth plug crowded again in this through hole, utilize fluid to annotate the elasticity of the material of mouth itself, the fluid pressure action of adding in the spheroid is annotated mouth in fluid, uses and clamps envelope mouth plug fixing.But described existing envelope mouth plug only utilizes envelope mouth plug cock body to provide fixed effect with the frictional force of the centre bore internal diameter wall that is cooperated, and still has the not enough problem of stability.In addition, existing will seal that the mouth plug is crowded and enter fluid and annotate the centre bore of mouth after, present smooth sphere in order to make outer surface of spheroid, must will give prominence to the outer part of spheroid and seal the mouth plug and excised, in other words, its procedure is more, has directly increased production cost.
The utility model content
The purpose of this utility model is to solve hollow elastic force ball in the prior art will seal that the mouth plug is crowded goes into after fluid annotates the centre bore of mouth, only utilize envelope mouth plug will seal the mouth plug with the frictional force of center bore inner wall face and fix, and its stability is the problem of deficiency comparatively.
Another purpose of the present utility model, be to solve hollow elastic force ball in the prior art, with envelope mouth plug is crowded enter fluid and annotate the centre bore of mouth after, must will give prominence to the outer part of spheroid and seal the mouth plug and excised, so that procedure is more, the manufacturing cost problem of higher.
Feature of the present utility model, provide a kind of mould that is exclusively used in moulding hollow elastic force ball, the elastic force ball that utilizes this mould molding to go out, can directly form a fluid at spheroid and annotate mouth, this fluid is annotated mouth and is included a shrinkage pool that is formed at spherome surface, forms one first bullet in this shrinkage pool bottom surface simultaneously, even forms second bullet at the spheroid inner surface, form a centre bore between two bullets, specially designed envelope mouth plug is crowded goes into this centre bore and seals to cooperate.
Based on this, the mould that the utility model provides, be on the die cavity surface of die ontology one protuberance to be set, the end face of this protuberance is the taper of indent, and the center of this taper has a centre bore that runs through, when desiring moulding hollow elastic force ball, earlier penetrate a core at this centre bore, therefore, after the die cavity surface evenly has been coated with PU material and cure and demold, can be formed on outer surface of spheroid and have shrinkage pool, and the shrinkage pool bottom surface has the fluid notes mouth of first bullet.
Another technological means of the present utility model, be after described core passes described centre bore from the mould inboard, the end and the die cavity surface that allow core penetrate in the die cavity keep a distance, use in die cavity, mold hollow elastic force ball after, be able to form the second outstanding bullet at the inner surface of hollow elastic force ball, by this, cooperate specially designed envelope mouth plug to pass described centre bore after, can obtain better sealing effectiveness.
As preferable selection, the utility model is located at the taper of the shrinkage pool bottom surface of described mould, can be taper shape or pyramid.
Select as another kind, the outline that the utility model is located at the protuberance of described mould can be circle or polygon.
In order to obtain and seal the fiting effect of mouth plug the best, the utility model is located at the protuberance of mould, and the height on its outstanding this die cavity surface is less than 1/2nd of the spheroid thickness of the hollow elastic force ball of desire moulding.
Utilize the hollow elastic force ball of aforementioned mould institute moulding, the fluid of its moulding is annotated mouth, has a shrinkage pool that is positioned at the outer surface of spheroid of this hollow elastic force ball, one-body molded first bullet that goes out projection in the bottom surface of this shrinkage pool, with then one-body molded second bullet that goes out outstanding this internal face of the sphere inner wall face of this first bullet symmetric position, form a through hole that runs through between the center of this first bullet and second bullet, by this, after one specially designed envelope mouth plug being combined in the centre bore of this fluid notes mouth, being able to direct outer surface at spheroid forms smooth, and centre bore obtains good sealing, and utilize the blocking part of being located at envelope mouth plug to fix, avoid sealing the mouth plug and break away from spheroid.
The aforementioned envelope mouth plug that is used for cooperating the utility model hollow elastic force ball, it is less that it has the two ends diameter, and two ends are toward the middle cock body of enlarged diameter gradually, one end of this cock body connects a flat board, and the other end connects a umbrella shape blocking part relatively, behind the through hole that the umbrella shape blocking part is passed fluid notes mouth, make cock body be packed in through hole, and utilize blocking part to be barred from the spheroid inboard, and break away from spheroid to avoid sealing the mouth plug, allow flat board fill up that fluid is annotated the shrinkage pool of mouth simultaneously and concordant with outer surface of spheroid.
Description of drawings
Fig. 1 is for showing the stereogram of mould appearance of the present utility model.
Fig. 2 is for showing the plane exploded view of mould structure of the present utility model.
Fig. 3 is for showing the flat assembly drawing of mould structure of the present utility model.
Fig. 4 is presented at the embodiment section plan that in-mold molding of the present utility model goes out hollow elastic force ball.
Fig. 5 is for showing the section plan of the structure after the hollow elastic force ball demoulding after the moulding.
Fig. 6 is the hollow elastic force ball and the plane exploded view that seals mouth plug syntagmatic after the moulding of demonstration the utility model.
Fig. 7 has made up the embodiment section plan of envelope mouth plug for showing hollow elastic force ball of the present utility model.
The specific embodiment
Those skilled in the art below cooperate Figure of description that embodiment of the present utility model is done more detailed description, so that can implement after studying this specification carefully according to this.
Consult Fig. 1 and shown in Figure 2; the mould 1 that the utility model provides; include a patrix 1A and a counterdie 1B, can utilize the fastener 10 of being located at patrix or counterdie that upper and lower mould is fixed to one another after patrix and counterdie are involutory, and constitute the die cavity of the interior space of a sphere as moulding hollow elastic force ball.The die cavity surface of described patrix 1A body (being inner surface) has a protuberance 11, and the end face of this protuberance 11 is indent taper 12, and the center of this taper has a centre bore that runs through 13.The outline of described protuberance 11 can be circle or polygon.Described indent taper 12 can be conical or polygonal taper.The utility model also is further provided with the core that cooperates this mould 1, and described core is substantially a roofbolt form; Core 14 can be passed centre bore 13 by the lateral surface of patrix 1A, up to core 14 penetrate a end in the die cavity and patrix die cavity surface keep one specific apart from the time with core 14 fixing (as shown in Figure 3); The mode that core 14 is fixed on mould is not the improved emphasis of the utility model, so will not give unnecessary details.Described " specific distance ", be meant desire the spheroid thickness of the hollow elastic force ball of moulding.Based on spheroid intensity and cooperate the consideration of the sealing of envelope mouth plug, the height on described protuberance 11 outstanding die cavity surfaces is less than 1/2nd of spheroid 2 thickness of the hollow elastic force ball of desire moulding.
Utilize the mould of structure shown in Figure 3; it carries out the mode of moulding hollow elastic force ball; be at upper and lower mould not before the matched moulds; earlier raw material is inserted in the die cavity of patrix or counterdie; then with both matched moulds and fixing; again mould is placed the make-up machine (not shown); driving mould by make-up machine constantly overturns; also solidify (as shown in Figure 4) attached to the die cavity surface equably up to raw material; carry out the demoulding at last and extract core 14, promptly obtain to have the hollow elastic force ball finished product (ginseng Fig. 5) that fluid is annotated mouth 20.Described fluid after institute's moulding is annotated mouth 20, has a shrinkage pool 201 that is positioned at spheroid 2 outer surfaces of this hollow elastic force ball, the bottom surface of this shrinkage pool 201 molds first bullet 202 of projection by aforementioned indent taper 12, then mold second bullet 203 of outstanding this internal face with spheroid 2 internal faces of these first bullet, 202 symmetric positions, and utilize core 14 between the center of this first bullet 202 and second bullet 203, to form a through hole that runs through 204 by the core of outstanding die cavity.
Fig. 6 shows that the utility model provides a specially designed envelope mouth plug 3 in addition, to cooperate the fluid of spheroid 2 is annotated mouth 20 sealings.It is less relatively that this envelope mouth plug 3 includes a two ends diameter, and two ends are toward the middle cock body 30 of enlarged diameter gradually, and an end of this cock body 30 connects the flat board of a corresponding described shrinkage pool 201, and the other end of cock body 30 then connects the blocking part 32 of a umbrella shape.After fluids such as gas or liquid inject in the spheroids 2 via through hole 204, can utilize special instrument or machine will seal that mouth plug 3 is crowded finishes sealing in through hole 204.The sealing means of 3 pairs of through holes 204 of this envelope mouth plug, be that the blocking part 32 that will have tapering is forced into through hole 204 by shrinkage pool 201, after blocking part 32 passes through hole 204, utilize these blocking part 32 clips in the medial extremity of through hole 204, simultaneously dull and stereotyped 31 fill in shrinkage pool 201 fully and concordant with spheroid 2 outer surfaces; Under this state, 30 of similar olivary cock bodys fully are packed in the through hole 204 (joining shown in Figure 7); The position, stage casing of cock body 30 big external diameters then possesses second road and prevents to seal the effect that mouth plug 3 breaks away from spheroid 2.
The above only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; therefore; all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the category of the utility model intention protection.
Claims (7)
1. mould that is used in moulding hollow elastic force ball, this mould are provided with and are used for hollow elastic force ball forming is gone out the structure that fluid is annotated mouth, it is characterized in that:
The die cavity surface of this die ontology has a protuberance, and the end face of this protuberance is the taper of indent, and the center of this taper has a centre bore that runs through, and this centre bore wears a core, and an end and this die cavity surface that this core penetrates die cavity have a distance.
2. the mould that is used in moulding hollow elastic force ball as claimed in claim 1 is characterized in that, the taper of described indent is conical.
3. the mould that is used in moulding hollow elastic force ball as claimed in claim 1 is characterized in that the taper of described indent is polygonal taper.
4. the mould that is used in moulding hollow elastic force ball as claimed in claim 1 is characterized in that, the outline of described protuberance is circular.
5. the mould that is used in moulding hollow elastic force ball as claimed in claim 1 is characterized in that the outline of described protuberance is a polygon.
6. the mould that is used in moulding hollow elastic force ball as claimed in claim 1 is characterized in that, the height on outstanding this die cavity surface of described protuberance is less than 1/2nd of the spheroid thickness of the hollow elastic force ball of desire moulding.
7. one kind is used the described formed in mould hollow elastic force ball of claim 1, and the described hollow elastic force ball after the moulding has a fluid to annotate mouth, it is characterized in that:
Described fluid is annotated mouth and is had a shrinkage pool that is positioned at the outer surface of spheroid of this hollow elastic force ball, the bottom surface of this shrinkage pool is first bullet of projection, then have second bullet of outstanding this internal face, formation one through hole that runs through between the center of this first bullet and second bullet with the sphere inner wall face of this first bullet symmetric position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201937447U CN201693727U (en) | 2010-05-18 | 2010-05-18 | Die for forming hollow bouncing ball and hollow bouncing ball formed by using die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201937447U CN201693727U (en) | 2010-05-18 | 2010-05-18 | Die for forming hollow bouncing ball and hollow bouncing ball formed by using die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201693727U true CN201693727U (en) | 2011-01-05 |
Family
ID=43394972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201937447U Expired - Fee Related CN201693727U (en) | 2010-05-18 | 2010-05-18 | Die for forming hollow bouncing ball and hollow bouncing ball formed by using die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201693727U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283702A (en) * | 2017-08-14 | 2017-10-24 | 夏敏月 | A kind of ball-type toy for children die for manufacturing |
| CN113334812A (en) * | 2021-07-08 | 2021-09-03 | 滁州恒佳体育用品有限公司 | Production method of colorful toy ball |
-
2010
- 2010-05-18 CN CN2010201937447U patent/CN201693727U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283702A (en) * | 2017-08-14 | 2017-10-24 | 夏敏月 | A kind of ball-type toy for children die for manufacturing |
| CN113334812A (en) * | 2021-07-08 | 2021-09-03 | 滁州恒佳体育用品有限公司 | Production method of colorful toy ball |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110105 Termination date: 20120518 |