CN117001966A - Preparation method for shell molding rubber patterns - Google Patents
Preparation method for shell molding rubber patterns Download PDFInfo
- Publication number
- CN117001966A CN117001966A CN202310991115.0A CN202310991115A CN117001966A CN 117001966 A CN117001966 A CN 117001966A CN 202310991115 A CN202310991115 A CN 202310991115A CN 117001966 A CN117001966 A CN 117001966A
- Authority
- CN
- China
- Prior art keywords
- injection molding
- pressure
- injection
- condition
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000010112 shell-mould casting Methods 0.000 title claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims abstract description 42
- 238000002347 injection Methods 0.000 claims abstract description 32
- 239000007924 injection Substances 0.000 claims abstract description 32
- 239000004033 plastic Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000005530 etching Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000010892 electric spark Methods 0.000 claims description 5
- 238000003486 chemical etching Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 239000003973 paint Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 13
- 238000005507 spraying Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000013532 laser treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
- B29C33/3857—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
-
- 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
- B29C45/1756—Handling of moulds or mould parts, e.g. mould exchanging means
-
- 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
- B29C45/461—Injection of measured doses
-
- 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
- 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
-
- 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
- B29C2945/76595—Velocity
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a preparation method for shell molding rubber patterns, which comprises the following steps: etching the die cavity of the die; injection molding based on ABS material; the injection molding further includes the following conditions: first condition: injection molding is carried out based on the temperature, the first pressure, the first speed and the injection plastic quantity of the mold cavity as set indexes, at least three-section injection is carried out in human set time, and the temperature in the three-section injection is configured to be 210-230 degrees; second condition: performing pressure maintaining based on the second pressure, the second speed and the time as set indexes, and performing pressure maintaining in at least two stages in the set time; third condition: the cooling time is 60-80 seconds; the preparation method provided by the invention solves the problems that the outer surface of the existing shell is difficult to prepare rubber lines with soft holding feel on the hard plastic shell, the existing mode is high in cost and short in service life.
Description
Technical Field
The invention relates to the field of production of oral hygiene products, in particular to a preparation method for shell molding rubber patterns.
Background
In the existing tooth cleaner, the main body outer surface is mostly displayed in two forms:
the first is a smooth surface shell, namely, the surface is smooth and has certain light reflection, the glossiness is high, and the shell is commonly called a smooth surface; when the mould is manufactured, the cavity surface of the mould is polished to be a mirror surface, and then the mould is formed into a main body through injection molding, and the main body has smooth surface and high aesthetic degree, but the following defects are also caused: (1) The water in the flushing process is easy to adhere to the outer surface of the main body and is easy to hang dirt; (2) The transition is smooth, a certain holding force is needed for holding after the surface is soaked with water, otherwise, the surface is easy to slip from the hand; (3) The plastic is hard to hold after injection molding, and has no soft rubber or soft plastic feeling;
the second is a rubber surface shell, the surface of the shell has higher sense, and the shell is usually used in high-end products in the class; that is, after injection molding, the surface of the injection molded shell is subjected to subsequent processing treatment, namely, paint spraying (rubber paint) treatment, so that the grip feeling of the grip rubber body is achieved when the grip is achieved, and better experience is given, but the following defects are caused: (1) The cost of the rubber paint is very high, and the cost of the paint spraying procedure and the paint is equivalent to the cost of half of the injection molding cost of the shell; (2) The paint is prepared by adopting a paint spraying mode, people with abundant experience are needed to process in the spraying process, the thickness is required to be uniform, otherwise, chromatic aberration is easy to generate, and the reject ratio is high; (3) The rubber paint is easy to fall off, the tooth cleaner is generally used in a bathroom, the wet environment of the tooth cleaner enables the rubber paint to fall off easily after being wetted or changed at high and low temperatures, the rubber paint is easy to be wetted and oxidized, and the like, and the service life is short;
in summary, the existing molding preparation method of the rubber texture of the main body of the tooth cleaner still needs to be further improved and promoted.
Disclosure of Invention
The invention aims to overcome the defects or problems in the prior art, and provides a preparation method for forming rubber patterns on a shell, which is simple and convenient to manufacture, easy to implement and low in cost, and solves the problems that the rubber patterns with soft holding feel on a hard plastic shell are difficult to prepare on the outer surface of the existing shell, the cost of the existing mode is high, and the service life is short.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a method for producing a molded rubber grain for a housing, the method comprising:
etching the die cavity of the die;
injection molding is carried out based on ABS materials, and the temperature of a die cavity of a corresponding die is raised to 65-85 degrees before injection molding;
the injection molding further includes the following conditions:
first condition: injection molding is performed based on the temperature, the first pressure, the first speed and the amount of plastic injected into the mold cavity as set indexes, at least three-stage injection is performed within a manually set time, and the temperatures in the three-stage injection are configured to be 210-230 degrees, and the first pressure ratio is as follows: 1:1:0.94, first speed ratio is: the injection quantity ratio of the plastic injected into the die cavity is 1:1.67:1: 3.8:5.7:1;
second condition: performing pressure maintaining based on the second pressure, the second speed and the time as set indexes, and performing pressure maintaining in at least two stages in the set time; wherein, the second pressure ratio of the two stages is 1:0.55, and the second speed ratio is 1:1;
third condition: the cooling time is 60-80 seconds.
Further, the method for forming the etching pattern by the die cavity comprises the following steps:
(1) Polishing the die cavity to a mirror surface or manually setting lines by electric spark machining;
(2) The mold cavity is treated by chemical etching with a chemical or laser.
Further, the ABS material is of the type ABS 757.
Further, the cavity of the corresponding mold was warmed to 70 ° before injection molding.
Further, the set index values of the first pressure and the second pressure are 90Mpa.
Further, in the first condition: the set index value of the first speed is 15 mm/second; in the second condition: the setting index value of the second speed is 10 mm/sec.
Further, in three-stage injection, the ABS material temperatures correspond to 225 °, 220 ° and 210 °, respectively.
Further, in the second condition, dwell times of the two stages are 240 seconds and 300 seconds, respectively.
From the above description of the present invention, compared with the prior art, the present invention has the following advantages:
the invention provides a preparation method for shell molding rubber patterns, which is simple and convenient to manufacture, easy to realize and low in cost, and solves the problems that the outer surface of the existing shell is difficult to prepare rubber patterns with soft holding feel on a hard plastic shell, and the cost of rubber paint sprayed in the existing mode is high and the service life is short; the preparation method of the shell molding rubber patterns can directly prepare the shell surface with the rubber holding sense (the rubber holding sense refers to the shell made of soft materials and the holding sense with anti-skid property) by injection molding at one time without spraying; in the preparation process, the mold cavity is etched firstly, then the mold is subjected to one-step injection molding through heating, setting indexes such as specific temperature, pressure, speed, injection molding amount and time, and the like, the cost of the rubber paint and the cost of the spraying processing are saved after injection molding, more importantly, the mold is not easy to fall off after injection molding, the service life is long, the surface is uniform, the mold is soft, the mold is not easy to hang dirt, and the anti-skid effect is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments below are briefly introduced, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a preparation method according to the present invention;
FIG. 2 is a table showing the injection molding process in the preparation method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are preferred embodiments of the invention and should not be taken as excluding other embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without creative efforts, are within the protection scope of the present invention.
In the claims, specification and drawings hereof, unless explicitly defined otherwise, the terms "first," "second," or "third," etc., are used for distinguishing between different objects and not for describing a particular sequential order.
In the claims, specification and drawings hereof, unless explicitly defined otherwise, references to orientation terms such as "center", "transverse", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counter-clockwise", etc., are based on the orientation and positional relationship shown in the drawings and are for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have or be constructed and operated in a particular orientation, nor should it be construed as limiting the particular scope of protection of the invention.
In the claims, specification and drawings of the present invention, unless explicitly defined otherwise, the term "fixedly connected" or "fixedly connected" should be construed broadly, i.e. any connection between them without a displacement relationship or a relative rotation relationship, that is to say includes non-detachably fixedly connected, integrally connected and fixedly connected by other means or elements.
In the claims, specification and drawings of the present invention, the terms "comprising," having, "and variations thereof as used herein, are intended to be" including but not limited to.
Referring to fig. 1-2, the preparation method of the shell molding rubber texture is mainly used for preparing shells of tooth washers and electric toothbrushes;
the preparation method comprises the following steps:
etching the die cavity of the die; the invention is illustrated with a dental washer housing: the mold of the tooth cleaner shell is prepared and molded by machining, matching the mold and the like; then mirror polishing the die cavity in the die or making the set grains by electric spark (the electric spark is the name of processing equipment); the invention uses electric spark to manufacture the set grain as an example;
then carrying out etching treatment, wherein the mode of the etching treatment can be that chemical etching or laser is carried out on the die cavity through liquid medicine; the invention is exemplified by laser treatment, the cost of the method is higher than that of chemical etching, but the process difficulty is low, and the effect is better;
then placing the prepared mould into an injection molding machine for injection molding to form a shell; the invention loads the mould into injection molding machine with tonnage of 180, and tests the mould and prints the mould in the processes of mould opening, mould closing, injection, pressure maintaining, cooling and the like;
the invention carries out injection molding based on ABS material; it should be noted here that ABS757 is preferable;
referring to fig. 1-2, the mold cavity of the corresponding mold is heated to 65-85 ° before injection molding, preferably to 70 °, and injection (injection molding) is performed after the mold reaches that temperature;
the injection process comprises an injection process, a pressure maintaining process and a cooling process, wherein the injection process and the pressure maintaining process need the following conditions in sequence:
first condition: injection molding is carried out based on the temperature, the first pressure, the first speed and the injection quantity of plastic injected into the mold cavity as set indexes;
in the present invention, the set index value of the first pressure is 90Mpa; the set index value of the first speed is 15 mm/second; the temperatures of the ABS materials are respectively 225 DEG, 220 DEG and 210 DEG for illustration;
at least three-stage injection is arranged in the artificial setting time, the temperature in the three-stage injection is configured to be 210-230 degrees, and the first pressure ratio is as follows: 1: 1:0.94 (i.e. 90:90:85 MPa), a first speed ratio of: 1:1.67:1 (i.e. 15:25:15 mm/s), the injection amount ratio of the plastic into the die cavity is as follows: 3.8:5.7:1;
that is, during the injection, injection molding is performed based on the temperature, the first pressure, the first speed, and the amount of the cavity injected plastic; the amount of injected plastic here means: the ABS757 is made of plastic rice, the plastic rice is poured into an injection device after being dried, the injection device is internally provided with a heating component for heating the plastic rice to be in a molten state and is pushed by a screw, the plastic quantity is calculated by the distance from the end of the screw to the position of an injection opening of the injection device, for example, the part between the end of the screw and the position of the injection opening is filled with the plastic in the molten state, then the plastic between the positions is driven (injected) into a mold by the displacement of the screw, the volume is calculated by calculating the change of the distance between the positions, and the quantity of the injected plastic is calculated;
it should be noted that the injection process of the invention is divided into three-section injection examples;
(1) The first section: heating ABS757 at 225 DEG and high temperature to form a molten state, and then performing injection molding at a first speed of 15 mm/s at a preset index pressure value of 90Mpa, wherein the end part of the screw rod is linearly displaced towards the injection port to 82 from 120, thus completing the first-stage injection molding;
(2) And a second section: heating ABS757 at 220 DEG and high temperature to form a molten state, and then performing injection molding at a first speed of 25 mm/s at a preset index pressure value of 90Mpa, wherein the end part of the screw rod is linearly displaced towards the injection port and is displaced from the 82 position to 25, thus completing the second injection molding; this second stage increases the velocity so that air within the mold cavity is forced out of the mold cavity faster;
(3) Third section: heating ABS757 at a high temperature of 210 DEG to form a molten state, and then performing injection molding at a first speed of 15 mm/s at a preset index pressure value of 85Mpa, wherein the end part of the screw rod is linearly displaced towards the injection port, and the position of the screw rod is displaced from 25 to 0, so that the third-stage injection molding is completed; slowing down in this third section, allowing the interior residual air to empty and the rest to fill;
then, pressure maintaining is carried out;
in the pressure maintaining process, the invention still uses the second pressure, the second speed and the time as set indexes to maintain pressure, and the pressure is maintained in at least two stages in the set time;
wherein, the second pressure ratio of the two stages is 1:0.55, and the second speed ratio is 1:1;
(4) The first stage of pressure maintaining, wherein the set reference value of the second pressure is 90Mpa, the second speed is kept at 10 mm/s, and the first stage of pressure maintaining is carried out after the second speed is kept for 240 seconds;
(5) The second stage of pressure maintaining, wherein the second pressure is reduced to 50Mpa, then the pressure is maintained at the second speed of 10 mm/s, and the second stage of pressure maintaining is performed after the pressure is maintained for 360 seconds;
finally, cooling and die opening are carried out;
third condition: the whole die is cooled for 60-80 seconds; the mold is opened preferably after 70 seconds, and the product defined by the ejector pins is taken out by a mechanical arm or manually to form the tooth washer shell with rubber patterns.
The invention provides a preparation method for shell molding rubber patterns, which is simple and convenient to manufacture, easy to realize and low in cost, and solves the problems that the outer surface of the existing shell is difficult to prepare rubber patterns with soft holding feel on a hard plastic shell, and the cost of rubber paint sprayed in the existing mode is high and the service life is short; the preparation method of the shell molding rubber patterns can directly prepare the shell surface with the rubber holding sense (the rubber holding sense refers to the shell made of soft materials and the holding sense with anti-skid property) by injection molding at one time without spraying; in the preparation process, the mold cavity is etched firstly, then the mold is subjected to one-step injection molding through heating, setting indexes such as specific temperature, pressure, speed, injection molding amount and time, and the like, the cost of the rubber paint and the cost of the spraying processing are saved after injection molding, more importantly, the mold is not easy to fall off after injection molding, the service life is long, the surface is uniform, the mold is soft, the mold is not easy to hang dirt, and the anti-skid effect is good.
The foregoing description of the embodiments and description is presented to illustrate the scope of the invention, but is not to be construed as limiting the scope of the invention.
Claims (8)
1. A preparation method for a shell molding rubber grain is characterized by comprising the following steps: the preparation method comprises the following steps:
etching the die cavity of the die;
injection molding is carried out based on ABS materials, and the temperature of a die cavity of a corresponding die is raised to 65-85 degrees before injection molding;
the injection molding further includes the following conditions:
first condition: injection molding is performed based on the temperature, the first pressure, the first speed and the amount of plastic injected into the mold cavity as set indexes, at least three-stage injection is performed within a manually set time, and the temperatures in the three-stage injection are configured to be 210-230 degrees, and the first pressure ratio is as follows: 1: 1:0.94, first speed ratio: the injection quantity ratio of the plastic injected into the die cavity is 1:1.67:1: 3.8:5.7:1;
second condition: performing pressure maintaining based on the second pressure, the second speed and the time as set indexes, and performing pressure maintaining in at least two stages in the set time; wherein, the second pressure ratio of the two stages is 1:0.55, and the second speed ratio is 1:1;
third condition: the cooling time is 60-80 seconds.
2. The method for producing a molded rubber grain for a housing according to claim 1, wherein: the method for carrying out the etching forming on the die cavity comprises the following steps:
(1) Polishing the die cavity to a mirror surface or manually setting lines by electric spark machining;
(2) The mold cavity is treated by chemical etching with a chemical or laser.
3. A method for producing a molded rubber grain for a housing as claimed in claim 2, wherein: the ABS material is of the model ABS 757.
4. A method for producing a molded rubber grain for a housing as claimed in claim 3, wherein: the mold cavity of the corresponding mold was warmed to 70 ° prior to injection molding.
5. The method for producing a molded rubber grain for a housing according to claim 4, wherein: the set index values of the first pressure and the second pressure are 90Mpa.
6. The method for producing a molded rubber grain for a housing according to claim 5, wherein: in the first condition: the set index value of the first speed is 15 mm/second; in the second condition: the setting index value of the second speed is 10 mm/sec.
7. The method for producing a molded rubber grain for a housing according to claim 6, wherein: in the three-stage injection, the temperatures of the ABS material correspond to 225 °, 220 ° and 210 °, respectively.
8. The method for producing a molded rubber grain for a housing according to claim 7, wherein: in the second condition, the dwell times of the two stages are 240 seconds and 300 seconds, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310991115.0A CN117001966A (en) | 2023-08-08 | 2023-08-08 | Preparation method for shell molding rubber patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310991115.0A CN117001966A (en) | 2023-08-08 | 2023-08-08 | Preparation method for shell molding rubber patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117001966A true CN117001966A (en) | 2023-11-07 |
Family
ID=88570728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310991115.0A Pending CN117001966A (en) | 2023-08-08 | 2023-08-08 | Preparation method for shell molding rubber patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117001966A (en) |
-
2023
- 2023-08-08 CN CN202310991115.0A patent/CN117001966A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX9601034A (en) | Method of manufacturing moulded frozen pastry articles. | |
| JPH078171A (en) | Method for removing bubble from chocolate | |
| CN113276326A (en) | Skin forming process and interior skin | |
| EP1533099A3 (en) | Method and device for producing thick-walled moulded parts | |
| CN117001966A (en) | Preparation method for shell molding rubber patterns | |
| CN101244617B (en) | Method for manufacturing anthropomorphic robot coat | |
| EP1293334B1 (en) | Nonslip thermoplastic part and method for the production thereof | |
| CN211994042U (en) | Automatic stripping device for thin nozzle injection mold | |
| CN210651582U (en) | Multipurpose injection molding device for mold processing | |
| CN210880702U (en) | Mould capable of quickly demoulding | |
| KR930702144A (en) | Manufacturing method of multilayer molded article | |
| JP3709861B2 (en) | Method for producing soap, mold used therefor, and soap molded body molded with the mold | |
| CN113729387B (en) | Internal and external relief cosmetic, preparation method and mold thereof | |
| CN218576882U (en) | Fruit and vegetable box decorative plate mold | |
| WO1986003450A1 (en) | Baby pacifier | |
| CN107157598B (en) | Manufacturing method of orthodontic traction device mold and manufacturing method of orthodontic traction device | |
| CN117359961B (en) | Noninvasive glucometer shell injection molding device and method | |
| CN204566512U (en) | Two material fluid silicone rubber mould | |
| CN218366205U (en) | Injection mold | |
| CN218966030U (en) | Glue inlet structure for optimizing product appearance | |
| CN209207869U (en) | A kind of injection molding apparatus in dumb-bell shape hole | |
| CN216329773U (en) | Injection mold with multi-cavity detachable structure for toy production | |
| CN210253960U (en) | Eccentric block production is with mold processing that has positioning mechanism | |
| CN220261952U (en) | Blow molding shaping machine with holding structure | |
| JPS63237922A (en) | Molding method for resin product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |