CN105216169B - A kind of molding die of rubber block product - Google Patents
A kind of molding die of rubber block product Download PDFInfo
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- CN105216169B CN105216169B CN201510740619.0A CN201510740619A CN105216169B CN 105216169 B CN105216169 B CN 105216169B CN 201510740619 A CN201510740619 A CN 201510740619A CN 105216169 B CN105216169 B CN 105216169B
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Abstract
The present invention discloses a kind of molding die of rubber block product, including upper die and lower die, upper impression is equipped among the lower end surface of upper mold, lower impressions are equipped among the upper surface of lower die, the cross section of the lower impressions is V-shaped, the cross section of the upper impression is inverted v-shaped, and when upper mold and lower die mold, two endpoints on the upside of the lower impressions cross section coincide with two endpoints on the downside of the upper impression cross section；Two sides of upper mold are respectively equipped with the multiple upper air-vents for being connected to the upper impression, and two sides of lower die are respectively equipped with the multiple lower gas vents for being connected to the lower impressions；A lower torn edges slot is respectively arranged in lower impressions two sides in the upper surface of the lower die, and a upper torn edges slot is respectively arranged in upper impression two sides in the lower end surface of the upper mold, and each lower torn edges slot is corresponded to each other with the position of a upper torn edges slot；Product can effectively remove die parting line after present invention processing, not only improve the appearance of product, but also can reduce manufacturing cost, improve yield rate.
Description
Technical field
The present invention relates to the molding die of rubber product, especially a kind of molding die of rubber block product.
Background technique
Attached drawing 1 is a kind of cross-sectional view of common rubber block product, is needed when manufacturing this rubber block product by upper
Mould and lower die, which cooperate, to be completed, and well known mold is that meta position installs die joint in the product, i.e., in attached m-m shown in FIG. 1
Die joint, that is, the mutually matched position in the lower end surface of upper mold and the upper surface of lower die is arranged in dotted line position, then in upper mold
Lower end surface and the upper surface of lower die air discharge duct and flash groove are set again.The rubber block product that this traditional mold manufactures
Can there are problems that two: first is that product surface has die parting line, product appearance is plain, it usually needs later process carries out
Finishing, will increase the processing cost of product；Second is that the gas and extra sizing material in mold cavity are difficult in manufacture product process
In timely discharge, product is also easy to produce chip phenomenon in die parting line position, can reduce yield rate.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of molding dies of rubber block product, can there is product after processing
Effect removal die parting line, had not only improved the appearance of product, but also can reduce manufacturing cost, and had improved yield rate.
In order to achieve the above objectives, the technical scheme is that a kind of molding die of rubber block product, including upper mold,
Lower die, the lower end surface centre of upper mold are equipped with upper impression, are equipped with lower impressions, the cross section of the lower impressions among the upper surface of lower die
For V-shaped, the cross section of the upper impression is inverted v-shaped, when upper mold and lower die mold, on the upside of the lower impressions cross section two
A endpoint coincides with two endpoints on the downside of the upper impression cross section；Two sides of upper mold, which are respectively equipped with, to be connected on described
Multiple upper air-vents of type chamber, two sides of lower die are respectively equipped with the multiple lower gas vents for being connected to the lower impressions.
It is preferred that the upper air-vent and the lower gas vent are stepped hole.Both facilitated upper air-vent and lower gas vent plus
Work, and can be convenient for exhaust and discharge clout.
It is further improved, the upper surface of the lower die is additionally provided with the lower part that lower holding tank supports a mandrel, and mandrel is across institute
The lower impressions of lower die upper surface are stated, the lower end surface of the upper mold is additionally provided with holding tank and matches with the top of the mandrel.It is logical
The rubber block product with through-hole can be processed by crossing mandrel.
It is preferred that the mandrel is cylinder, the lower holding tank is arc, and the upper holding tank is arc.
Further, one end of the mandrel is ladder circle cylindricality.To facilitate the taking-up and positioning of mandrel.
It is further improved, a lower torn edges slot is respectively arranged in lower impressions two sides in the upper surface of the lower die, the upper mold
A upper torn edges slot is respectively arranged in upper impression two sides in lower end surface, and the position of each lower torn edges slot and a upper torn edges slot is mutually right
It answers.Being matched by lower torn edges slot with upper torn edges slot may make up the extra rubber mass accommodated at die joint, preferably extra rubber
Sizing material is separated from the die joint of rubber block product.
Further, the cross section of the lower torn edges slot is V-shaped, and the cross section of the upper torn edges slot is inverted v-shaped.This
Torn edges slot and the adjacent edge of lower impressions just form blade-like under sample, and the adjacent edge of upper torn edges slot and upper impression also forms blade-like,
When upper mold is mutually molded with lower die, the adjacent edge in lower die with the adjacent edge in upper mold as two blades match, can be compared with
Extra rubber mass is conveniently cut off, the die parting line of rubber block product is further removed.
For the present invention since the cross section of the lower impressions is V-shaped, the cross section of the upper impression is inverted v-shaped, upper mold
When being molded with lower die, two endpoints on the upside of the lower impressions cross section and two endpoint phases on the downside of the upper impression cross section
It is overlapped；Die joint is on the cornerwise cross section of rubber block product in this way, therefore is not in die parting line, is effectively improved
The appearance of rubber block product reduces manufacturing cost without being modified by later process.
On the other hand, two sides of upper mold are respectively equipped with the multiple upper air-vents for being connected to the upper impression, and the two of lower die
A side is respectively equipped with the multiple lower gas vents for being connected to the lower impressions, the gas in such rubber block product molding type chamber and more
Remaining rubber mass can facilitate to be discharged from the two sides of upper die and lower die, solves the problems, such as that chip occurs in product, thus
Greatly improve yield rate.
The present invention is applicable not only to manufacture rubber block product, rubber bar product can be also manufactured very well, for regular pattern composite thickness rubber
Glue product can be applicable in.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of common rubber block product；
Fig. 2 is perspective view when upper mold of the present invention and lower die mold；
Fig. 3 is the top perspective view of lower die of the present invention；
Fig. 4 is the face upwarding stereogram of upper mold of the present invention；
Fig. 5 is the top view of Fig. 2；
Fig. 6 is the A-A cross-sectional view of Fig. 5；
Fig. 7 is the B-B cross-sectional view of Fig. 5.
Specific embodiment
Invention is further described in detail with specific embodiment with reference to the accompanying drawing.
Shown in Fig. 2 to Fig. 7, a kind of molding die of rubber block product, including upper mold 1, lower die 2, in the lower end surface of upper mold 1
Between be equipped with upper impression 11, lower impressions 21 are equipped among the upper surface of lower die 2, upper impression 11 and lower impressions 21 constitute rubber block product
Forming recess；
In conjunction with Fig. 6 can with it is further seen that, the cross sections of the lower impressions 21 is V-shaped, the upper impression 11 it is transversal
Face is inverted v-shaped, two endpoints and the upper impression when upper mold 1 and lower die 2 mold, on the upside of 21 cross section of lower impressions
Two endpoints on the downside of 11 cross sections coincide；
A lower torn edges slot 22, the lower end surface of the upper mold 1 is respectively arranged in 21 two sides of lower impressions in the upper surface of the lower die 2
One upper torn edges slot 12 is respectively set in 11 two sides of upper impression, the position of each lower torn edges slot 22 and a upper torn edges slot 12 is mutually right
It answers, each lower torn edges slot 22 matches the accommodating chamber that can constitute extra rubber mass with a upper torn edges slot 12；
The cross section of the lower torn edges slot 22 is V-shaped, and the cross section of the upper torn edges slot 12 is inverted v-shaped, in this way under
Torn edges slot 22 and the adjacent edge 20 of lower impressions 21 just form blade-like, and upper torn edges slot 12 and the adjacent edge 10 of upper impression 11 are also formed
Blade-like, when upper mold 1 is molded with 2 phase of lower die, the adjacent edge 20 in lower die 2 and the adjacent edge 10 in upper mold 1 are as two knives
Sword matches, and more convenient can cut off extra rubber mass.
Two sides of upper mold 1 are respectively equipped with the multiple upper air-vents 13 for being connected to the upper impression 11, two sides of lower die 2
Face is respectively equipped with the multiple lower gas vents 23 for being connected to the lower impressions 21.
The upper air-vent 13 and the lower gas vent 23 are stepped hole, and the aperture close to outside is larger, lean on plesiotype chamber
The aperture of side is smaller, so the both processing in easy to exhaust hole, is also more convenient for being vented and being discharged extra rubber mass.
The upper surface of the lower die 2 is additionally provided with the lower part that lower holding tank 24 supports a mandrel 3, and mandrel 3 is across the lower die 2
The lower impressions 21 of upper surface, the lower end surface of the upper mold 1 are additionally provided with holding tank 14 and match with the top of the mandrel 3.
The mandrel 3 is cylinder, and the lower holding tank 24 is arc, and the upper holding tank 14 is arc.
One end of the mandrel 3 is ladder circle cylindricality, to facilitate mandrel 3 to take out and positioning.
Then the present embodiment makes upper mold 1 and lower die 2 in use, insert enough rubber mass in the lower impressions 21 of lower die 2
Molding is heated by machine to upper mold 1 and lower die 2, and upper mold 1 and lower die 2 are heated to rubber mass, and rubber mass just realizes that vulcanization is handed over
Gas in connection, lower impressions 21 and upper impression 11 is discharged from upper air-vent 13 and lower gas vent 23, if any extra rubber at die joint
Sizing material can be discharged into the accommodating chamber that lower torn edges slot 22 is constituted with upper torn edges slot 12, and most extra rubber mass is from upper exhaust
Hole 13 and the discharge of lower gas vent 23.
The present invention is not in a point mould since die joint is arranged on the cornerwise cross section of rubber block product
Line effectively improves the appearance of rubber block product, without being modified by later process.
The above is only a preferred embodiment of the invention, those skilled in the art is made equivalent change by claim
Both fall within the protection scope of this case.
Claims (5)
1. the lower end surface centre of a kind of molding die of rubber block product, including upper die and lower die, upper mold is equipped with upper impression, lower die
Upper surface among be equipped with lower impressions, it is characterised in that: the cross section of the lower impressions be V-shaped, the upper impression it is transversal
Face is inverted v-shaped, two endpoints and the upper impression cross section when upper mold and lower die mold, on the upside of the lower impressions cross section
Two endpoints of downside coincide；Two sides of upper mold are respectively equipped with the multiple upper air-vents for being connected to the upper impression, lower die
Two sides be respectively equipped with the multiple lower gas vents for being connected to the lower impressions；
A lower torn edges slot is respectively arranged in lower impressions two sides in the upper surface of the lower die, and the lower end surface of the upper mold is in upper impression two
A upper torn edges slot is respectively arranged in side, and each lower torn edges slot is corresponded to each other with the position of a upper torn edges slot；
The cross section of the lower torn edges slot is V-shaped, and the cross section of the upper torn edges slot is inverted v-shaped.
2. a kind of molding die of rubber block product according to claim 1, it is characterised in that: the upper air-vent and institute
Stating lower gas vent is stepped hole.
3. a kind of molding die of rubber block product according to claim 1, it is characterised in that: the upper surface of the lower die
It is additionally provided with the lower part that lower holding tank supports a mandrel, lower impressions of the mandrel across the lower die upper surface, the lower end of the upper mold
Face is additionally provided with holding tank and matches with the top of the mandrel.
4. a kind of molding die of rubber block product according to claim 3, it is characterised in that: the mandrel is cylinder
Shape, the lower holding tank are arc, and the upper holding tank is arc.
5. a kind of molding die of rubber block product according to claim 3, it is characterised in that: one end of the mandrel is
Ladder circle cylindricality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510740619.0A CN105216169B (en) | 2015-11-04 | 2015-11-04 | A kind of molding die of rubber block product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510740619.0A CN105216169B (en) | 2015-11-04 | 2015-11-04 | A kind of molding die of rubber block product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105216169A CN105216169A (en) | 2016-01-06 |
| CN105216169B true CN105216169B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510740619.0A Active CN105216169B (en) | 2015-11-04 | 2015-11-04 | A kind of molding die of rubber block product |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110103364A (en) * | 2019-04-26 | 2019-08-09 | 科耐特输变电科技股份有限公司 | A kind of production mould of GIS stress cone |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2895010Y (en) * | 2006-03-27 | 2007-05-02 | 汕头天阳模具有限公司 | Fin-trimming-free tyre segmented mould |
| CN101609738A (en) * | 2009-07-21 | 2009-12-23 | 国网电力科学研究院武汉南瑞有限责任公司 | Be used for forming method and mould thereof that the HV cable accessories insulated part is made |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02148744A (en) * | 1988-11-29 | 1990-06-07 | Mitsubishi Electric Corp | Mold die for resin-sealed semiconductor |
| US7842220B2 (en) * | 2007-11-09 | 2010-11-30 | Bridgestone Sports Co., Ltd. | Mold for forming golf ball and golf ball manufactured using the same |
| CN101537684A (en) * | 2008-12-31 | 2009-09-23 | 黄吉力 | Polyurethane foam forming mould and manufacturing method of mould cavities |
| CN204109288U (en) * | 2014-09-09 | 2015-01-21 | 青岛金立磁性材料有限公司 | A kind of mould with air discharge duct |
| CN205167314U (en) * | 2015-11-04 | 2016-04-20 | 厦门市金汤橡塑有限公司 | Forming die of block rubber goods |
-
2015
- 2015-11-04 CN CN201510740619.0A patent/CN105216169B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2895010Y (en) * | 2006-03-27 | 2007-05-02 | 汕头天阳模具有限公司 | Fin-trimming-free tyre segmented mould |
| CN101609738A (en) * | 2009-07-21 | 2009-12-23 | 国网电力科学研究院武汉南瑞有限责任公司 | Be used for forming method and mould thereof that the HV cable accessories insulated part is made |
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| CN105216169A (en) | 2016-01-06 |
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