CN109822786B - Forming die of rubber spare - Google Patents
Forming die of rubber spare Download PDFInfo
- Publication number
- CN109822786B CN109822786B CN201910262211.5A CN201910262211A CN109822786B CN 109822786 B CN109822786 B CN 109822786B CN 201910262211 A CN201910262211 A CN 201910262211A CN 109822786 B CN109822786 B CN 109822786B
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- cavity
- lower die
- rubber
- forming
- air outlet
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- 239000000463 material Substances 0.000 claims abstract description 15
- 238000000465 moulding Methods 0.000 claims description 7
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a novel forming die for rubber parts, which comprises an upper die plate and a lower die plate, wherein the lower die plate is provided with a lower die cavity for forming the lower part of the rubber part with a convex column, the upper die plate is provided with an upper die cavity for forming the upper part of the rubber part with a groove, the lower die plate is provided with crisscrossed air outlet channels, the lower die plate is divided into four areas by the air outlet channels, a plurality of lower die cavities are arranged in each area, the plurality of lower die cavities in the areas enclose a multi-star structure, the part of a forming base angle of the lower die cavity is closest to the center of the multi-star, the part of the forming outer edge of the lower die cavity is positioned at the edge of the multi-star structure and is connected with an air exhaust groove, the upper die cavity and the lower die cavity are arranged in one-to-one correspondence, and the top surface of the upper die plate is provided with a material channel communicated with the upper die cavity. The design of the cavity of the molded rubber piece is planned again, an exhaust channel is designed, and the yield of the rubber piece is improved; and a feeding channel of rubber is designed, so that the generation of waste materials is reduced.
Description
Technical Field
The invention relates to a die for producing rubber products on automobiles, in particular to a novel forming die for rubber parts.
Background
Rubber parts are a widely and largely used component in automobiles, and are mainly used for shock absorption and buffering in automobiles. As shown in fig. 1, the rubber piece 00 is in a ladder-shaped sheet-mounted structure, and is provided with a convex column and a groove, wherein the bottom angle of the rubber piece, which is not provided with the groove, is denoted as a base angle a, and the inclined edge of one side, which is provided with the groove, is denoted as an outer edge B. As shown in fig. 2, i am an existing working mold. In the actual production and processing process, the obtained rubber piece is easy to bulge and has low yield. A large number of feed inlets are arranged to realize feeding of products, so that the amount of waste materials in the processing process is large.
Accordingly, the present inventors have conducted intensive studies on the above problems, and have actively sought a solution by virtue of years of development experience and manufacturing experience in the related industries. Through long-term effort research and development, the novel forming die for rubber parts is successfully developed to solve the problems in the prior art.
Disclosure of Invention
The invention aims to solve the technical problems of providing a novel forming die for rubber parts, re-planning the design of a cavity for forming the rubber parts, designing an exhaust channel and improving the yield of the rubber parts; and a feeding channel of rubber is designed, so that the generation of waste materials is reduced.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a novel forming die of rubber spare, includes cope match-plate pattern and lower bolster, the lower bolster set up and be used for the shaping to have the lower die cavity of rubber spare lower part of projection, the cope match-plate pattern set up and be used for the shaping to have the last die cavity on recess rubber spare upper portion, the lower bolster be provided with crisscross air outlet channel, air outlet channel separates into four regions with the lower bolster, all be provided with a plurality of lower die cavities in every region, a plurality of lower die cavities in the region enclose into the multiaspect star structure, the part of lower die cavity shaping base angle be closest to the center of multiaspect star, the part outside the shaping of lower die cavity is located the edge of multiaspect star structure and is connected with the exhaust duct, last die cavity and lower die cavity one-to-one setting, the top surface of cope match-plate pattern be provided with material way and last die cavity intercommunication.
The invention further preferably comprises the following steps: the material channel comprises a main channel connected at the center of the upper die plate and extending towards four directions, and a main channel connected at the end part of the main channel and extending towards the periphery in multiple directions, wherein the end part of the main channel is provided with a through hole communicated with the upper die cavity, and the through hole corresponds to the part of the forming base angle of the upper die cavity.
The invention further preferably comprises the following steps: the end part of the main channel is opposite to the center of the multi-pointed star.
The invention further preferably comprises the following steps: five lower cavities are arranged in each area and are regularly arranged into five-pointed star by taking the part of the forming base angle as the most center.
The invention further preferably comprises the following steps: five main channels in different directions are connected to the end of the main channel, one main channel corresponds to one upper cavity, and the through hole is opposite to the part of the upper cavity forming base angle.
The invention further preferably comprises the following steps: the outer edge of the lower die plate is also provided with a circle of air outlet grooves, the air outlet grooves enclose a closed pattern, and the air outlet grooves are positioned outside the plurality of lower die cavities.
The invention further preferably comprises the following steps: the exhaust groove connected with the lower cavity is closely connected with the air outlet channel or the air outlet groove.
The invention further preferably comprises the following steps: the air outlet channel is suitable for the arrangement of the lower cavity.
Compared with the prior art, the invention has the advantages that the rubber part is divided into two parts up and down and is molded by the upper cavity and the lower cavity respectively, unlike the existing molding die. The lower template is provided with crisscross air outlet channels, and the air outlet channels divide the lower template into four areas. An air outlet channel is arranged to realize the air discharge in the lower cavity. The lower cavity is connected with an exhaust groove, and the exhaust grooves can be connected with the exhaust channels nearby by arranging the crisscross exhaust channels. A plurality of lower cavities in the area enclose a multi-star structure, the part of the lower cavity forming base angle is closest to the center of the multi-star, and the part of the lower cavity forming outer edge is positioned at the edge of the multi-star structure and is connected with an exhaust groove. The lower die cavity is planned in the lower die plate, the first requirement of exhaust is met, the bulge of rubber parts is avoided, the second requirement of arranging the lower die cavity as much as possible, the production efficiency of products is improved, the third requirement of planning a material channel structure is met, and the bottom materials are saved. A plurality of lower cavities are surrounded into a multi-star structure, namely, the requirements can be perfectly met. According to the invention, the design of the cavity for molding the rubber piece is re-planned, and the exhaust channel is designed, so that the yield of the rubber piece is improved; and a feeding channel of rubber is designed, so that the generation of waste materials is reduced.
Drawings
FIG. 1 is a diagram of a rubber part structure to be produced;
FIG. 2 is a prior art working mold;
FIG. 3 is a schematic diagram of a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of the second embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 3 to 4: the utility model provides a novel forming die of rubber spare, including cope match-plate pattern 1 and lower bolster 2, lower bolster 2 sets up the lower die cavity 3 that is used for the shaping to have the rubber spare lower part of projection, cope match-plate pattern 1 sets up the last die cavity 4 that is used for the shaping to have the rubber spare upper portion of recess, lower bolster 2 is provided with crisscross air outlet channel 5, air outlet channel 5 separates into four regions with lower bolster 2, all be provided with a plurality of lower die cavities 3 in every region, a plurality of lower die cavities 3 in the region enclose into the multiangle star structure, the part of lower die cavity 3 shaping base angle is closest to the center of multiangle star, the part outside of lower die cavity 3 shaping is located the edge of multiangle star structure and is connected with exhaust duct 6, it sets up with lower die cavity 3 one-to-one to go up die cavity 4, the top surface of cope match-plate pattern 1 is provided with the material way and last die cavity 4 intercommunication.
The material channel comprises a main channel 7 connected at the center of the upper die plate 1 and extending towards four directions, and a main channel 8 connected at the end part of the main channel 7 and extending towards the periphery in multiple directions, wherein a through hole 9 communicated with the upper die cavity 4 is arranged at the end part of the main channel 8, and the through hole 9 corresponds to the part of the upper die cavity 4 where the base angle is formed. The feed inlet is arranged in the center of the main channel 7, the bottom materials flow into the main channel 8 along the main channel 7 extending towards four directions, and enter the upper cavity 4 through the channel arranged at the end part of the main channel 8 for forming rubber parts. The invention well plans the material channel structure, can smoothly feed materials, saves the bottom materials well and avoids waste.
The end of the main channel 7 is opposite to the center of the polygon. The end part of the main channel 7 is arranged at the center of the polygon, is the most suitable position, is the shortest distance for the bottom material to flow into each upper cavity 4, and avoids the waste of the bottom material.
Five lower cavities 3 are arranged in each area, and the five lower cavities 3 are regularly arranged into five-pointed star by taking the part of the forming base angle as the most center. The five lower cavities 3 are optimally arranged in the area, and of course, four or six lower cavities can be arranged.
Five main channels 8 in different directions are connected to the end part of the main channel 7, one main channel 8 corresponds to one upper cavity 4, and the through hole 9 is opposite to the part of the upper cavity 4 where the base angle is formed. The trunk way 8 is arranged corresponding to the upper cavity 4 and the lower cavity 3.
The outer edge of the lower die plate 2 is also provided with a circle of air outlet grooves 10, the air outlet grooves 10 form a closed pattern, and the air outlet grooves 10 are positioned outside the plurality of lower die cavities 3.
The vent groove 6 connected with the lower cavity 3 is closely connected with the vent channel 5 or the vent groove 10.
The air outlet channel 5 is suitable for the arrangement of the lower cavity 3.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The forming die for the rubber piece comprises an upper die plate and a lower die plate and is characterized in that the lower die plate is used for forming a lower die cavity of the lower portion of the rubber piece with a convex column, the upper die plate is used for forming an upper die cavity of the upper portion of the rubber piece with a groove, the lower die plate is provided with crisscrossed air outlet channels, the lower die plate is divided into four areas by the air outlet channels, a plurality of lower die cavities are arranged in each area, the plurality of lower die cavities in the areas enclose a multi-star structure, the part of a forming base angle of the lower die cavity is closest to the center of the multi-star structure, the part of the forming outer edge of the lower die cavity is located at the edge of the multi-star structure and is connected with an air outlet groove, the upper die cavity and the lower die cavity are arranged in one-to-one correspondence, and the top surface of the upper die plate is provided with a material channel communicated with the upper die cavity;
The material channel comprises a main channel connected with the center of the upper die plate and extending towards four directions, and a main channel connected with the end part of the main channel and extending towards the periphery in multiple directions, wherein the end part of the main channel is provided with a through hole communicated with the upper die cavity, and the through hole corresponds to the part of the forming base angle of the upper die cavity; the outer edge of the lower die plate is also provided with a circle of air outlet grooves, the air outlet grooves enclose a closed pattern, and the air outlet grooves are positioned outside the plurality of lower die cavities.
2. The molding die of a rubber member according to claim 1, wherein the end portion of the main channel is located opposite to the center of the polygonal star.
3. The molding die for rubber parts according to claim 1, wherein five lower cavities are provided in each region, and the five lower cavities are regularly arranged in a five-pointed star shape with a part of a molding base angle as a center.
4. A rubber part forming die according to claim 3, wherein the main channel end is connected with five main channels in different directions, one main channel corresponds to one upper cavity, and the through hole is opposite to the part of the upper cavity forming base angle.
5. The molding die for rubber parts according to claim 4, wherein the vent groove connected to the lower cavity is connected to the vent passage or the vent groove in the vicinity.
6. The molding die for rubber parts according to claim 1, wherein the air outlet channel is adapted to the arrangement of the lower cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910262211.5A CN109822786B (en) | 2019-04-02 | 2019-04-02 | Forming die of rubber spare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910262211.5A CN109822786B (en) | 2019-04-02 | 2019-04-02 | Forming die of rubber spare |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109822786A CN109822786A (en) | 2019-05-31 |
| CN109822786B true CN109822786B (en) | 2024-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910262211.5A Active CN109822786B (en) | 2019-04-02 | 2019-04-02 | Forming die of rubber spare |
Country Status (1)
| Country | Link |
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| CN (1) | CN109822786B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012161952A (en) * | 2011-02-04 | 2012-08-30 | Hoya Corp | Injection molding machine, mold and method for producing injection-molded article |
| CN204773390U (en) * | 2015-07-14 | 2015-11-18 | 东莞市贝洛橡胶制品有限公司 | Automatic exhaust major diameter cushion rubber spare forming die |
| CN205997285U (en) * | 2016-07-07 | 2017-03-08 | 台州市黄岩天惠模具有限公司 | A kind of die venting structure |
| CN206106237U (en) * | 2016-08-30 | 2017-04-19 | 天津三卓韩一橡塑科技股份有限公司 | Dust catcher seals parts rubber injection vulcanization mould utensil |
| CN207327488U (en) * | 2017-08-25 | 2018-05-08 | 东莞市裕城模具科技有限公司 | A kind of efficient injection mold of central feeding |
| CN109177056A (en) * | 2018-07-31 | 2019-01-11 | 上海众力汽车部件有限公司 | A kind of rubber mold of bushing non-trimming structure |
| CN209738107U (en) * | 2019-04-02 | 2019-12-06 | 宁波千汇汽车饰件有限公司 | Novel forming die of rubber spare |
-
2019
- 2019-04-02 CN CN201910262211.5A patent/CN109822786B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012161952A (en) * | 2011-02-04 | 2012-08-30 | Hoya Corp | Injection molding machine, mold and method for producing injection-molded article |
| CN204773390U (en) * | 2015-07-14 | 2015-11-18 | 东莞市贝洛橡胶制品有限公司 | Automatic exhaust major diameter cushion rubber spare forming die |
| CN205997285U (en) * | 2016-07-07 | 2017-03-08 | 台州市黄岩天惠模具有限公司 | A kind of die venting structure |
| CN206106237U (en) * | 2016-08-30 | 2017-04-19 | 天津三卓韩一橡塑科技股份有限公司 | Dust catcher seals parts rubber injection vulcanization mould utensil |
| CN207327488U (en) * | 2017-08-25 | 2018-05-08 | 东莞市裕城模具科技有限公司 | A kind of efficient injection mold of central feeding |
| CN109177056A (en) * | 2018-07-31 | 2019-01-11 | 上海众力汽车部件有限公司 | A kind of rubber mold of bushing non-trimming structure |
| CN209738107U (en) * | 2019-04-02 | 2019-12-06 | 宁波千汇汽车饰件有限公司 | Novel forming die of rubber spare |
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| Publication number | Publication date |
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| CN109822786A (en) | 2019-05-31 |
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