CN201371548Y - Rubber transfer mold - Google Patents
Rubber transfer mold Download PDFInfo
- Publication number
- CN201371548Y CN201371548Y CN200920023586U CN200920023586U CN201371548Y CN 201371548 Y CN201371548 Y CN 201371548Y CN 200920023586 U CN200920023586 U CN 200920023586U CN 200920023586 U CN200920023586 U CN 200920023586U CN 201371548 Y CN201371548 Y CN 201371548Y
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- running channel
- die cavity
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- rubber transfer
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Abstract
The utility model discloses a rubber transfer mold, which comprises an upper mold plate, a middle mold plate, a lower mold plate, a plurality of cavities, a mold core structure, an outer layer parting surface, an inner layer parting surface, pouring systems corresponding to the cavities, an air outlet groove and a rubber overflow groove. The cavities are arranged between two adjacent mold plates and are uniformly distributed on the circumferential surface a certain distance away from the center of the mold; the mold core structure comprises an upper mold core mounted on the upper mold plate and a lower mold core mounted on the lower mold plate; and the contact surfaces where the upper mold core and the lower mold core are in contact with the middle mold plate are bedded in. The utility model adopts the cavities with bilayer structures; and each cavity corresponds to an individual pouring system, thereby being capable of processing a plurality of products at the same time and improving production efficiency; the main pouring channel and the branch pouring channel are short and thin; the flow resistance of rubber is small; and rubber material is saved. The air outlet groove and the rubber overflow groove are formed so as to ensure the air discharge of rubber material in the cavities; deflashing is not required, thereby improving the product quality; and the design is reasonable.
Description
(1) technical field
The utility model relates to the mould design field, and particularly a kind of rubber transfer mould is mainly used in automobile rubber bolster production processing and forming.
(2) background technology
At present, domestic rubber transfer mould is single-layer products version, a running channel can only guarantee a product die cavity, die joint has single die joint and many die joints, but be which kind of die joint all is to decide according to the structure of product, running gate system has main running channel, divides running channel and cast gate to constitute, main running channel long flow path and cross section is thick, waste a large amount of sizing materials, divide running channel to play shunting and steering-effecting, the cast gate section form such as circular and square is arranged but size all within 4mm, easily cause and fill the glue time and grow or the starved phenomenon.Because the injection pressure height can't be run out of the gas in the die cavity, easily cause defectives such as molten trace, bubble, and the pruning on scrap rubber limit has increased by a procedure.
(3) summary of the invention
The technical problems to be solved in the utility model has provided a kind of rubber transfer mould, its die cavity is double-decker and is uniformly distributed along the circumference, main running channel is short and thin, divide that running channel is short, side gate is thin and wide, boundlessly tear mould, outgassing groove and get structures such as product by middle mould centre bore, all guaranteed the raising of product quality and production efficiency.
In order to solve the problems of the technologies described above, the utility model is realized by following measure:
A kind of rubber transfer mould has:
A) cope match-plate pattern, middle template and lower bolster;
B) a plurality of die cavities are between adjacent two templates and be evenly distributed on the periphery of mold center's certain distance;
C) core structure comprises last core that is installed on the cope match-plate pattern and the following core that is installed on the lower bolster, the described equal bedding-in of contact-making surface of going up core, following core and middle template;
D) outer die joint is used for cope match-plate pattern, template and lower bolster separately, is arranged between adjacent two templates and is positioned at die cavity one side;
E) internal layer die joint is used for described upward core and following core are separated, and forms a centre bore after core structure separates up and down in the middle part of middle template;
F) with the corresponding running gate system of each die cavity, comprise main running channel, divide running channel, main cast gate and side gate, wherein main running channel is arranged on the said core structure, branch running channel one end communicates with die cavity, the other end communicates with main running channel, main cast gate is positioned on the cope match-plate pattern and with main running channel and communicates, and side gate is positioned at die cavity one side and is connected with each self-corresponding minute running channel;
G) outgassing groove, an end links to each other with said die cavity, and the other end communicates with the external world;
H) excessive glue groove is positioned at outgassing groove one side and is 0.05-0.1mm apart with die cavity, is used to make the product of formation to form boundless mode structure.
Further, said main running channel cross section is rectangular in shape, and comprises that vertical running channel and horizontal running channel and the two are communicated with by arc transition, and wherein horizontal running channel is connected with dividing running channel.
In the such scheme, said vertical running channel is that upper base is φ 10, goes to the bottom to φ 12, height are 42.5 frustum formula structures, and horizontal running channel is φ 12, highly is the cylindrical structural of 16mm.
Further, described minute running channel cross section is factory's font structure, comprise running channel and down sprue, wherein going up running channel length is that 17.5mm and vertical part cross section are φ 5.5 dome-type structures, and down sprue length is that 25.5mm and vertical part cross section are φ 8 dome-type structures.
Described outgassing groove cross section is a rectangle structure.
Described excessive glue groove cross section is a triangular structure, and is 0.05-0.1mm apart from die cavity distance.
The beneficial effects of the utility model:
1. the corresponding independent running gate system of double-decker die cavity and each die cavity can be processed a plurality of products simultaneously, has improved production efficiency;
2. main running channel, branch running channel weak point and thin, the little and saving sizing material of rubber flow resistance.
3. be provided with outgassing groove and excessive glue groove, guaranteed in the die cavity and the discharge of sizing material gas, do not need deburring again, improved the quality of product, reasonable in design.
(4) description of drawings
Fig. 1 is a structural representation among the utility model embodiment.
Fig. 2 is an I enlarged diagram among Fig. 1.
Fig. 3 is the schematic top plan view of Fig. 1.
1 upper impression among the figure, 2 lower impressions, 3 down sprues, 4 horizontal running channels, running channel on 5,6 vertical running channels, core on 7,8 internal layer die joints, 9 times cores, 10 lower bolsters, template in 11,12 cope match-plate patterns, 13 outer die joints, 14 side gates, the 15 glue grooves that overflow.
(5) specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, following explanation only is exemplary, does not limit protection domain of the present utility model.
1. the design of die joint
Die joint form of the present utility model is for forgiving two layers of die joint version inside and outside the formula shown in Fig. 1 .2.The direction of die joint adopts identical with press injector die sinking direction.Outer die joint 13 is two die joint structures, guarantees cope match-plate pattern 12, middle template 11, lower bolster 10 3 moulds separately; Internal layer die joint 8 is single die joint structures, and core 7 separates with following core 9 in the assurance, and forms the centre bore of φ 137mm at middle mould.
2. the design of cavity layout
The double-deck transfer mould of the utility model as shown in Figure 3, die cavity distribute, and to adopt with the mold center be the center of circle, the annular arrangement form of uniform two layers of 7 die cavity on φ 280mm circumference.Upper impression 1 is made up of the lower plane of cope match-plate pattern 12 and the last plane of middle template 11; Upper impression 1 is made up of the lower plane of middle template 11 and the last plane of lower bolster 12, to guarantee that sizing material is full of each die cavity under identical time uniform temp.
3. the design of running gate system
1) design of main running channel:
Main running channel adopts 7 independently running channels shown in Fig. 2,3, and each running channel all is rectangular shaped, and vertically running channel 6 is that the upper bottom surface diameter is ￠ 10mm, and the bottom surface diameter is ￠ 12mm, and height is the circular cone shape of 42.5mm; Horizontal running channel 4 is that diameter is ￠ 12mm, and height is the cylindric of 16mm; Vertically running channel 6 is the R6mm rounding off with horizontal running channel 4 right angle turns.Whole main running channel flow process is short, easily deviates from from last core 7 after the sulfuration.
2) design of branch running channel:
Branch running channel shown in Fig. 1,3 adopts 14 and independently divides running channel, they are connected with corresponding main running channel separately, described minute running channel cross section is factory's font structure, each divides running channel to be made up of last running channel 5 and down sprue 3 two parts, wherein going up running channel 5 length is that 17.5mm and vertical part cross section are φ 5.5 dome-type structures, down sprue 3 length are that 25.5mm and vertical part cross section are φ 8 dome-type structures, to guarantee the thermodynamic loss of upper and lower die cavity, be full of by rubber simultaneously with the shortest distance minimum.
3) design of cast gate:
The cast gate of the double-deck transfer mould of the utility model adopts 7 independently side gates 14 shown in Fig. 1,3, the curved structure of described side gate 14 cross sections, it is connected with corresponding minute running channel separately, its thickness is that 5mm, corresponding chord length are 30mm, sizing material flows to simultaneously by both sides from die cavity herein, and two strands of melts merge together in the die cavity distal-most edge.
4) design of excessive glue groove and outgassing groove
Each die cavity of the present utility model as shown in Figure 2 all has the glue groove 15 that independently overflows separately, its cross section is that a right-angle side long is 30 ° right angled triangle for the 4mm angle, wherein 30 ° angle is 0.05～0.1mm apart from the distance of die cavity, to form boundless mode structure.
Each die cavity of the present utility model as shown in Figure 2 all has separately independently outgassing groove 16, and its cross section is the rectangle of the dark 0.3mm of wide 1mm, and an end links to each other with said die cavity, and the other end communicates with the external world.Be discharged from the gas that guarantees in the die cavity and sizing material discharges, but do not influence the design of boundless mode structure.
5) design of product taking-up
The core 7 of going up of the present utility model as shown in Figure 2 is fastened on cope match-plate pattern 12, and following core 9 is fastened on lower bolster 10, and they and middle template 11 adopt 10 ° of conical surface bedding-ins.The opening of outer die joint 13 during along with die sinking separately opened cope match-plate pattern 12, middle template 11, lower bolster 10 3 moulds, goes up core 7, time core 9 simultaneously also along with being separated.At this moment just form the centre bore of ￠ 137mm in the centre of middle mould, the running gate system and the two-layer up and down product that are trapped on the middle mould are all taken out from here.
Claims (8)
1. a rubber transfer mould is characterized in that: have
A) cope match-plate pattern, middle template and lower bolster;
B) a plurality of die cavities are between adjacent two templates and be evenly distributed on the periphery of mold center's certain distance;
C) core structure comprises last core that is installed on the cope match-plate pattern and the following core that is installed on the lower bolster, the described equal bedding-in of contact-making surface of going up core, following core and middle template;
D) outer die joint is used for cope match-plate pattern, template and lower bolster separately, is arranged between adjacent two templates and is positioned at die cavity one side;
E) internal layer die joint is used for the described core of going up is separated with following core, forms a centre bore at middle template middle part after core structure separates;
F) with the corresponding running gate system of each die cavity, comprise main running channel, divide running channel, main cast gate and side gate, wherein main running channel is arranged on the said core structure, branch running channel one end communicates with die cavity, the other end communicates with main running channel, main cast gate is positioned on the cope match-plate pattern and with main running channel and communicates, and side gate is positioned at die cavity one side and is connected with each self-corresponding minute running channel;
G) outgassing groove, an end links to each other with said die cavity, and the other end communicates with the external world; With
H) the glue groove that overflows is positioned at outgassing groove one side and communicates with die cavity, is used to make the boundless mode structure of product of formation.
2. according to the described rubber transfer mould of claim 1, it is characterized in that: said main running channel cross section is rectangular in shape, and comprises that vertical running channel and horizontal running channel and the two are communicated with by arc transition, and wherein horizontal running channel is connected with dividing running channel.
3. according to the described rubber transfer mould of claim 2, it is characterized in that: said vertical running channel is that upper base is φ 10, goes to the bottom to φ 12, height are 42.5 frustum formula structures, and horizontal running channel is φ 12, highly is the cylindrical structural of 16mm.
4. according to the described rubber transfer mould of claim 1, it is characterized in that: described minute running channel cross section is factory's font structure, comprise running channel and down sprue, wherein going up running channel length is that 17.5mm and vertical part cross section are φ 5.5 dome-type structures, and down sprue length is that 25.5mm and vertical part cross section are φ 8 dome-type structures.
5. according to the described rubber transfer mould of claim 1, it is characterized in that: the curved structure of described side gate cross section, its thickness are that 5mm, corresponding chord length are 30mm.
6. according to the described rubber transfer mould of claim 1, it is characterized in that: described outgassing groove cross section is a rectangle structure.
7. according to the described rubber transfer mould of claim 1, it is characterized in that: described excessive glue groove cross section is a triangular structure, and is 0.05-0.1mm apart from die cavity distance.
8. according to the described rubber transfer mould of claim 1, it is characterized in that: described die cavity is totally 14 of double-deckers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920023586U CN201371548Y (en) | 2009-03-17 | 2009-03-17 | Rubber transfer mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920023586U CN201371548Y (en) | 2009-03-17 | 2009-03-17 | Rubber transfer mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201371548Y true CN201371548Y (en) | 2009-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920023586U Expired - Fee Related CN201371548Y (en) | 2009-03-17 | 2009-03-17 | Rubber transfer mold |
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| CN (1) | CN201371548Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797790A (en) * | 2010-04-17 | 2010-08-11 | 衡阳华胜精密模具有限公司 | Rubber injection mold |
| CN102173037A (en) * | 2011-03-09 | 2011-09-07 | 青岛科技大学 | Double-layer structured rubber injection molding die |
| CN102653164A (en) * | 2011-03-04 | 2012-09-05 | 深圳富泰宏精密工业有限公司 | Rubber head structure and pad printing machine thereof |
| CN102814934A (en) * | 2012-09-12 | 2012-12-12 | 晟扬精密模具（昆山）有限公司 | Novel pouring structure for mould |
| CN104085083A (en) * | 2014-06-19 | 2014-10-08 | 东莞劲胜精密组件股份有限公司 | Liquid silicone rubber injection mold |
| CN104552806A (en) * | 2014-12-02 | 2015-04-29 | 成都聚智工业设计有限公司 | Rubber injection mold of insulator |
| CN104816406A (en) * | 2015-04-09 | 2015-08-05 | 浙江宏利汽车零部件有限公司 | Top rubber sulfuration die |
| CN104960157A (en) * | 2015-06-10 | 2015-10-07 | 中国重汽集团济南动力有限公司 | Rubber support injection mould |
| CN106738675A (en) * | 2017-01-06 | 2017-05-31 | 张家港天乐橡塑科技股份有限公司 | A kind of beam compression moulding die |
| CN113119408A (en) * | 2021-05-11 | 2021-07-16 | 贵州华烽电器有限公司 | Semi-cone rubber sealing element preparation mould |
-
2009
- 2009-03-17 CN CN200920023586U patent/CN201371548Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797790A (en) * | 2010-04-17 | 2010-08-11 | 衡阳华胜精密模具有限公司 | Rubber injection mold |
| CN102653164A (en) * | 2011-03-04 | 2012-09-05 | 深圳富泰宏精密工业有限公司 | Rubber head structure and pad printing machine thereof |
| CN102173037A (en) * | 2011-03-09 | 2011-09-07 | 青岛科技大学 | Double-layer structured rubber injection molding die |
| CN102814934A (en) * | 2012-09-12 | 2012-12-12 | 晟扬精密模具（昆山）有限公司 | Novel pouring structure for mould |
| CN104085083B (en) * | 2014-06-19 | 2016-09-07 | 东莞劲胜精密组件股份有限公司 | A kind of liquid-state silicon gel injection mold |
| CN104085083A (en) * | 2014-06-19 | 2014-10-08 | 东莞劲胜精密组件股份有限公司 | Liquid silicone rubber injection mold |
| CN104552806A (en) * | 2014-12-02 | 2015-04-29 | 成都聚智工业设计有限公司 | Rubber injection mold of insulator |
| CN104816406A (en) * | 2015-04-09 | 2015-08-05 | 浙江宏利汽车零部件有限公司 | Top rubber sulfuration die |
| CN104960157A (en) * | 2015-06-10 | 2015-10-07 | 中国重汽集团济南动力有限公司 | Rubber support injection mould |
| CN104960157B (en) * | 2015-06-10 | 2017-09-29 | 中国重汽集团济南动力有限公司 | A kind of rubber support injects mould |
| CN106738675A (en) * | 2017-01-06 | 2017-05-31 | 张家港天乐橡塑科技股份有限公司 | A kind of beam compression moulding die |
| CN113119408A (en) * | 2021-05-11 | 2021-07-16 | 贵州华烽电器有限公司 | Semi-cone rubber sealing element preparation mould |
| CN113119408B (en) * | 2021-05-11 | 2023-08-15 | 贵州华烽电器有限公司 | Semicircle cone rubber sealing member preparation mould |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20150317 |
|
| EXPY | Termination of patent right or utility model |