CN106564161A - Multi-color rubber manufacturing process - Google Patents
Multi-color rubber manufacturing process Download PDFInfo
- Publication number
- CN106564161A CN106564161A CN201611003637.1A CN201611003637A CN106564161A CN 106564161 A CN106564161 A CN 106564161A CN 201611003637 A CN201611003637 A CN 201611003637A CN 106564161 A CN106564161 A CN 106564161A
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- Prior art keywords
- rubber
- molding
- color
- manufacturing process
- pressing mold
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1769—Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/57—Exerting after-pressure on the moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4427—Cutters therefor; Dies therefor combining cutting and forming operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of rubber production, in particular to a multi-color rubber manufacturing process which comprises the following steps: 1, preparation of a mold; 2, compression molding; 3, removal of rubber scraps; and 4, vulcanization molding. Compared with the prior art, the multi-color rubber manufacturing process provided by the invention has the advantages that a middle plate and a rubber pressed skin are arranged between an upper die and a lower die in the mold, so that after the compression molding of multi-color rubber is finished, the molded multi-color rubber is pressed and broken along the shape of the mold by utilizing the middle plate and the rubber pressed skin, thereby removing the rubber scraps; accordingly, the multi-color rubber production efficiency can be improved; and meanwhile, the reject ratio can be greatly lowered.
Description
Technical field
The present invention relates to technical field of rubber production, and in particular to a kind of manufacturing process of multi-color rubber.
Background technology
At present, the application of multi-color rubber product widely, is especially widely used in the production of footwear product.Multi-color rubber
Product refers to the rubber that chromatic colour abaculus is arranged on one layer of monochromatic bed material.In prior art, multi-color rubber is usually to adopt
Prepared with the method for injection mo(u)lding, multi-color rubber after moulding, needs cleaning to remove rubber leftover bits, traditional way
It is manually multi-color rubber to be broken so that target finished product is obtained according to shape of product PU rods, but, this traditional way is not only
Low production efficiency, and cause the fraction defective of prepared multi-color rubber high.
The content of the invention
Present invention aims to the deficiencies in the prior art, there is provided a kind of manufacturing process of multi-color rubber, the polychrome
The manufacturing process of rubber has production efficiency high, and the fraction defective of obtained multi-color rubber is low.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of manufacturing process of multi-color rubber is provided, it comprises the following steps：
Step one, preparation mould：Mould includes upper die and lower die and the middle plate being arranged between upper die and lower die and rubber pressure
Upper cavity and lower mode cavity are offered respectively in skin, upper die and lower die；
Step 2, pressing mold molding：The rubber raw materials of two kinds of different hardness and color are injected separately into by automatic feeding device
In die cavity and lower mode cavity, extrusion forming is then carried out；
Step 3, clears up rubber leftover bits：In utilization plate and rubber pressure skin by the multi-color rubber after molding along mould shape
Shape breaks, to clear up rubber leftover bits；
Step 4, sulfidization molding：After completing the cleaning rubber leftover bits step of step 3, in mould after Moulding and shaping
Rubber proceed sulfidization molding, then die sinking take out product, that is, complete the manufacture of multi-color rubber.
In above-mentioned technical proposal, in the step 2 compression-moulding step, the temperature of pressing mold molding is 130 DEG C ~ 145 DEG C.
In above-mentioned technical proposal, in the step 2 compression-moulding step, the pressure of pressing mold molding is 155 kilogram ~ 165
Kilogram.
In above-mentioned technical proposal, in the step 2 compression-moulding step, the time of pressing mold molding is 5min ~ 10min.
In above-mentioned technical proposal, in the step 4 sulfidization molding step, the temperature of sulfidization molding is 200 DEG C ~ 220 DEG C.
In above-mentioned technical proposal, in the step 4 sulfidization molding step, the pressure of sulfidization molding is 300 kilogram ~ 350
Kilogram.
In above-mentioned technical proposal, in the step 4 sulfidization molding step, the time of sulfidization molding is 7min ~ 10min.
Compared with prior art, beneficial effect is the present invention：
（1）The present invention provide a kind of multi-color rubber manufacturing process, compared with prior art, due to go up in a mold mould with
Middle plate and rubber pressure skin are provided between mould, after multi-color rubber pressing mold molding is completed, will by using middle plate and rubber pressure skin
Multi-color rubber after molding is broken along the shape of mould, to clear up rubber leftover bits, therefore, it is possible to improve multi-color rubber
Production efficiency, while fraction defective can be substantially reduced.
（2）A kind of manufacturing process of multi-color rubber that the present invention is provided, with process is simple, low production cost, and can
Suitable for the characteristics of large-scale production.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to explain
The present invention, is not intended to limit the present invention.
Embodiment 1.
A kind of manufacturing process of multi-color rubber, it comprises the following steps：
Step one, preparation mould：Mould includes upper die and lower die and the middle plate being arranged between upper die and lower die and rubber pressure
Upper cavity and lower mode cavity are offered respectively in skin, upper die and lower die；
Step 2, pressing mold molding：The rubber raw materials of two kinds of different hardness and color are injected separately into by automatic feeding device
In die cavity and lower mode cavity, extrusion forming is then carried out；In the present embodiment, the temperature of pressing mold molding is 135 DEG C, the pressure of pressing mold molding
Power is 160 kilograms, and the time of pressing mold molding is 8min；
Step 3, clears up rubber leftover bits：In utilization plate and rubber pressure skin by the multi-color rubber after molding along mould shape
Shape breaks, to clear up rubber leftover bits；
Step 4, sulfidization molding：After completing the cleaning rubber leftover bits step of step 3, in mould after Moulding and shaping
Rubber proceed sulfidization molding, then die sinking take out product, that is, complete the manufacture of multi-color rubber.In the present embodiment, sulfuration
The temperature of molding is 210 DEG C, and the pressure of sulfidization molding is 320 kilograms, and the time of sulfidization molding is 8min.
A kind of manufacturing process of the multi-color rubber of the present embodiment, compared with prior art, due to go up in a mold mould and under
Middle plate and rubber pressure skin are provided between mould, after multi-color rubber pressing mold molding is completed, will by using middle plate and rubber pressure skin
Multi-color rubber after molding is broken along the shape of mould, to clear up rubber leftover bits, therefore, it is possible to improve multi-color rubber
Production efficiency, while fraction defective can be substantially reduced.
Embodiment 2.
A kind of manufacturing process of multi-color rubber, it comprises the following steps：
Step one, preparation mould：Mould includes upper die and lower die and the middle plate being arranged between upper die and lower die and rubber pressure
Upper cavity and lower mode cavity are offered respectively in skin, upper die and lower die；
Step 2, pressing mold molding：The rubber raw materials of two kinds of different hardness and color are injected separately into by automatic feeding device
In die cavity and lower mode cavity, extrusion forming is then carried out；In the present embodiment, the temperature of pressing mold molding is 130 DEG C, the pressure of pressing mold molding
Power is 165 kilograms, and the time of pressing mold molding is 5min；
Step 3, clears up rubber leftover bits：In utilization plate and rubber pressure skin by the multi-color rubber after molding along mould shape
Shape breaks, to clear up rubber leftover bits；
Step 4, sulfidization molding：After completing the cleaning rubber leftover bits step of step 3, in mould after Moulding and shaping
Rubber proceed sulfidization molding, then die sinking take out product, that is, complete the manufacture of multi-color rubber.In the present embodiment, sulfuration
The temperature of molding is 200 DEG C, and the pressure of sulfidization molding is 350 kilograms, and the time of sulfidization molding is 7min.
A kind of manufacturing process of the multi-color rubber of the present embodiment, compared with prior art, due to go up in a mold mould and under
Middle plate and rubber pressure skin are provided between mould, after multi-color rubber pressing mold molding is completed, will by using middle plate and rubber pressure skin
Multi-color rubber after molding is broken along the shape of mould, to clear up rubber leftover bits, therefore, it is possible to improve multi-color rubber
Production efficiency, while fraction defective can be substantially reduced.
Embodiment 3.
A kind of manufacturing process of multi-color rubber, it comprises the following steps：
Step one, preparation mould：Mould includes upper die and lower die and the middle plate being arranged between upper die and lower die and rubber pressure
Upper cavity and lower mode cavity are offered respectively in skin, upper die and lower die；
Step 2, pressing mold molding：The rubber raw materials of two kinds of different hardness and color are injected separately into by automatic feeding device
In die cavity and lower mode cavity, extrusion forming is then carried out；In the present embodiment, the temperature of pressing mold molding is 145 DEG C, the pressure of pressing mold molding
Power is 155 kilograms, and the time of pressing mold molding is 10min；
Step 3, clears up rubber leftover bits：In utilization plate and rubber pressure skin by the multi-color rubber after molding along mould shape
Shape breaks, to clear up rubber leftover bits；
Step 4, sulfidization molding：After completing the cleaning rubber leftover bits step of step 3, in mould after Moulding and shaping
Rubber proceed sulfidization molding, then die sinking take out product, that is, complete the manufacture of multi-color rubber.In the present embodiment, sulfuration
The temperature of molding is 220 DEG C, and the pressure of sulfidization molding is 300 kilograms, and the time of sulfidization molding is 10min.
A kind of manufacturing process of the multi-color rubber of the present embodiment, compared with prior art, due to go up in a mold mould and under
Middle plate and rubber pressure skin are provided between mould, after multi-color rubber pressing mold molding is completed, will by using middle plate and rubber pressure skin
Multi-color rubber after molding is broken along the shape of mould, to clear up rubber leftover bits, therefore, it is possible to improve multi-color rubber
Production efficiency, while fraction defective can be substantially reduced.
Embodiment 4.
A kind of manufacturing process of multi-color rubber, it comprises the following steps：
Step one, preparation mould：Mould includes upper die and lower die and the middle plate being arranged between upper die and lower die and rubber pressure
Upper cavity and lower mode cavity are offered respectively in skin, upper die and lower die；
Step 2, pressing mold molding：The rubber raw materials of two kinds of different hardness and color are injected separately into by automatic feeding device
In die cavity and lower mode cavity, extrusion forming is then carried out；In the present embodiment, the temperature of pressing mold molding is 135 DEG C, the pressure of pressing mold molding
Power is 162 kilograms, and the time of pressing mold molding is 6min；
Step 3, clears up rubber leftover bits：In utilization plate and rubber pressure skin by the multi-color rubber after molding along mould shape
Shape breaks, to clear up rubber leftover bits；
Step 4, sulfidization molding：After completing the cleaning rubber leftover bits step of step 3, in mould after Moulding and shaping
Rubber proceed sulfidization molding, then die sinking take out product, that is, complete the manufacture of multi-color rubber.In the present embodiment, sulfuration
The temperature of molding is 205 DEG C, and the pressure of sulfidization molding is 340 kilograms, and the time of sulfidization molding is 9min.
A kind of manufacturing process of the multi-color rubber of the present embodiment, compared with prior art, due to go up in a mold mould and under
Middle plate and rubber pressure skin are provided between mould, after multi-color rubber pressing mold molding is completed, will by using middle plate and rubber pressure skin
Multi-color rubber after molding is broken along the shape of mould, to clear up rubber leftover bits, therefore, it is possible to improve multi-color rubber
Production efficiency, while fraction defective can be substantially reduced.
Embodiment 5.
A kind of manufacturing process of multi-color rubber, it comprises the following steps：
Step one, preparation mould：Mould includes upper die and lower die and the middle plate being arranged between upper die and lower die and rubber pressure
Upper cavity and lower mode cavity are offered respectively in skin, upper die and lower die；
Step 2, pressing mold molding：The rubber raw materials of two kinds of different hardness and color are injected separately into by automatic feeding device
In die cavity and lower mode cavity, extrusion forming is then carried out；In the present embodiment, the temperature of pressing mold molding is 142 DEG C, the pressure of pressing mold molding
Power is 158 kilograms, and the time of pressing mold molding is 9min；
Step 3, clears up rubber leftover bits：In utilization plate and rubber pressure skin by the multi-color rubber after molding along mould shape
Shape breaks, to clear up rubber leftover bits；
Step 4, sulfidization molding：After completing the cleaning rubber leftover bits step of step 3, in mould after Moulding and shaping
Rubber proceed sulfidization molding, then die sinking take out product, that is, complete the manufacture of multi-color rubber.In the present embodiment, sulfuration
The temperature of molding is 215 DEG C, and the pressure of sulfidization molding is 310 kilograms, and the time of sulfidization molding is 9min.
A kind of manufacturing process of the multi-color rubber of the present embodiment, compared with prior art, due to go up in a mold mould and under
Middle plate and rubber pressure skin are provided between mould, after multi-color rubber pressing mold molding is completed, will by using middle plate and rubber pressure skin
Multi-color rubber after molding is broken along the shape of mould, to clear up rubber leftover bits, therefore, it is possible to improve multi-color rubber
Production efficiency, while fraction defective can be substantially reduced.
Finally it should be noted that above example is only illustrating technical scheme, rather than to present invention guarantor
The restriction of shield scope, although having made to explain to the present invention with reference to preferred embodiment, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (7)
1. a kind of manufacturing process of multi-color rubber, it is characterised in that：It comprises the following steps：
Step one, preparation mould：Mould includes upper die and lower die and the middle plate being arranged between upper die and lower die and rubber pressure
Upper cavity and lower mode cavity are offered respectively in skin, upper die and lower die；
Step 2, pressing mold molding：The rubber raw materials of two kinds of different hardness and color are injected separately into by automatic feeding device
In die cavity and lower mode cavity, extrusion forming is then carried out；
Step 3, clears up rubber leftover bits：In utilization plate and rubber pressure skin by the multi-color rubber after molding along mould shape
Shape breaks, to clear up rubber leftover bits；
Step 4, sulfidization molding：After completing the cleaning rubber leftover bits step of step 3, in mould after Moulding and shaping
Rubber proceed sulfidization molding, then die sinking take out product, that is, complete the manufacture of multi-color rubber.
2. the manufacturing process of a kind of multi-color rubber according to claim 1, it is characterised in that：The step 2 pressing mold molding
In step, the temperature of pressing mold molding is 130 DEG C ~ 145 DEG C.
3. the manufacturing process of a kind of multi-color rubber according to claim 1, it is characterised in that：The step 2 pressing mold molding
In step, the pressure of pressing mold molding is 155 kilogram ~ 165 kilograms.
4. the manufacturing process of a kind of multi-color rubber according to claim 1, it is characterised in that：The step 2 pressing mold molding
In step, the time of pressing mold molding is 5min ~ 10min.
5. the manufacturing process of a kind of multi-color rubber according to claim 1, it is characterised in that：The step 4 sulfidization molding
In step, the temperature of sulfidization molding is 200 DEG C ~ 220 DEG C.
6. the manufacturing process of a kind of multi-color rubber according to claim 1, it is characterised in that：The step 4 sulfidization molding
In step, the pressure of sulfidization molding is 300 kilogram ~ 350 kilograms.
7. the manufacturing process of a kind of multi-color rubber according to claim 1, it is characterised in that：The step 4 sulfidization molding
In step, the time of sulfidization molding is 7min ~ 10min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003637.1A CN106564161A (en) | 2016-11-15 | 2016-11-15 | Multi-color rubber manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003637.1A CN106564161A (en) | 2016-11-15 | 2016-11-15 | Multi-color rubber manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106564161A true CN106564161A (en) | 2017-04-19 |
Family
ID=58542256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611003637.1A Pending CN106564161A (en) | 2016-11-15 | 2016-11-15 | Multi-color rubber manufacturing process |
Country Status (1)
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| CN (1) | CN106564161A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785308A (en) * | 2012-08-31 | 2012-11-21 | 宁波乔士橡塑有限公司 | Once-shaped forming die of air chamber rubber diaphragm and forming process |
| CN203752419U (en) * | 2013-12-06 | 2014-08-06 | 亿玛斯自动化精密工业（东莞）有限公司 | Plastic forming mold of automated mass-production functional mechanism for sheet product |
| CN203919559U (en) * | 2014-05-21 | 2014-11-05 | 广东美的集团芜湖制冷设备有限公司 | A kind of air-conditioning filter net injection mold |
| CN105904640A (en) * | 2016-04-20 | 2016-08-31 | 东莞市鑫艺来塑胶制品有限公司 | Moulding process of foamed multicolor material |
-
2016
- 2016-11-15 CN CN201611003637.1A patent/CN106564161A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785308A (en) * | 2012-08-31 | 2012-11-21 | 宁波乔士橡塑有限公司 | Once-shaped forming die of air chamber rubber diaphragm and forming process |
| CN203752419U (en) * | 2013-12-06 | 2014-08-06 | 亿玛斯自动化精密工业（东莞）有限公司 | Plastic forming mold of automated mass-production functional mechanism for sheet product |
| CN203919559U (en) * | 2014-05-21 | 2014-11-05 | 广东美的集团芜湖制冷设备有限公司 | A kind of air-conditioning filter net injection mold |
| CN105904640A (en) * | 2016-04-20 | 2016-08-31 | 东莞市鑫艺来塑胶制品有限公司 | Moulding process of foamed multicolor material |
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Application publication date: 20170419 |
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