CN114043700A - Liquid silica gel double-color high-speed glue injection method - Google Patents
Liquid silica gel double-color high-speed glue injection method Download PDFInfo
- Publication number
- CN114043700A CN114043700A CN202111271873.2A CN202111271873A CN114043700A CN 114043700 A CN114043700 A CN 114043700A CN 202111271873 A CN202111271873 A CN 202111271873A CN 114043700 A CN114043700 A CN 114043700A
- Authority
- CN
- China
- Prior art keywords
- glue
- runner
- flow channel
- auxiliary
- main
- 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.)
- Granted
Links
- 239000003292 glue Substances 0.000 title claims abstract description 159
- 238000002347 injection Methods 0.000 title claims abstract description 92
- 239000007924 injection Substances 0.000 title claims abstract description 92
- 239000007788 liquid Substances 0.000 title claims abstract description 75
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000000741 silica gel Substances 0.000 title claims abstract description 66
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 25
- 229920001971 elastomer Polymers 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 62
- 238000003860 storage Methods 0.000 claims description 14
- 229920001296 polysiloxane Polymers 0.000 claims description 11
- 239000000499 gel Substances 0.000 claims description 9
- 239000004944 Liquid Silicone Rubber Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000008602 contraction Effects 0.000 description 16
- 238000004513 sizing Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000003086 colorant Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of silica gel injection, and discloses a liquid silica gel double-color high-speed injection method, which comprises a mold for injecting glue, wherein the mold is provided with a main glue injection port for injecting liquid silica gel and an auxiliary glue injection port for injecting colored glue stock, a main runner for circulating the liquid silica gel and an auxiliary runner for circulating the colored glue stock are arranged in the mold, the auxiliary runner is communicated with the main runner, and the bottom of the main runner is provided with a glue outlet for outputting a double-color wire formed by injecting the glue; when double-color glue injection is carried out, liquid silica gel is added into the main glue injection port, colored glue materials are added into the auxiliary glue injection port, the liquid silica gel is injected into the main runner through the main glue injection port, and the colored glue materials are injected into the auxiliary runner through the auxiliary glue injection port and flow into the main runner; the liquid silica gel and the colored rubber material that mix in the sprue extrude through going out the jiao kou and form two-color wire rod, and colored rubber material forms on the surface of two-color wire rod, realizes the two-color injecting glue to the wire rod.
Description
Technical Field
The invention relates to the technical field of silica gel injection, in particular to a liquid silica gel double-color high-speed injection method.
Background
In modern society, industrial manufacturing is developed vigorously, a mold becomes one of important tools in the manufacturing industry, and the mold is used for shaping various high-temperature liquid materials to produce products with set shapes and sizes; the liquid silica gel injection mold is widely applied in some industries.
At present, most of common liquid silica gel injection molds are single-color liquid silica gel injection molds, some manufacturers need to perform double-color liquid silica gel injection on products, generally adopt the single-color liquid silica gel injection mold to perform twice glue injection, and realize double-color liquid silica gel injection on the products.
In the prior art, two sets of molds need to be manufactured for secondary glue injection cladding in some double-color glue injection, the two sets of molds use liquid silica gel with different colors respectively, and two production processes are generally needed in the glue injection process, so that the problems of complicated manufacturing process and excessive manufacturing process are caused by twice glue injection on a product subjected to double-color glue injection.
Disclosure of Invention
The invention aims to provide a liquid silica gel double-color high-speed glue injection method, and aims to solve the problem that in the prior art, the double-color glue injection manufacturing process is excessive for a product.
The invention is realized in this way, the liquid silica gel double-color high-speed glue injection method, including the mould used for injecting glue, the said mould is used for injecting the glue main injecting mouth and auxiliary injecting the glue mouth used for colored sizing material to inject into used for liquid silica gel, there are main runner and auxiliary runner that supplies colored sizing material to circulate in the said mould for liquid silica gel to circulate, the said auxiliary runner connects the said main runner, the bottom of the said main runner has glue outlets for the double-color wire rod output that the glue injection takes shape;
adding liquid silica gel into the main glue injection port and adding colored glue stock into the auxiliary glue injection port, wherein the liquid silica gel is injected into the main runner through the main glue injection port, and the colored glue stock is injected into the auxiliary runner through the auxiliary glue injection port and flows into the main runner; the liquid silica gel and the colored rubber material mixed in the main runner are extruded through the rubber outlet to form a double-color wire, and the colored rubber material is formed on the surface of the double-color wire.
Further, in the process of double-color glue injection, the colored glue stock is coated on the surface of the liquid silica gel according to a set numerical range along with the liquid silica gel is extruded by the flow of the main runner towards the glue outlet.
Further, along the flowing direction of the colored rubber in the auxiliary flow channel, the diameter of the auxiliary flow channel is gradually reduced.
Further, the auxiliary flow channel is provided with an upper side wall arranged downwards and a lower side wall arranged upwards, along the flowing direction of the colored rubber in the auxiliary flow channel, the lower side wall of the auxiliary flow channel is arranged obliquely downwards, and the upper side wall of the auxiliary flow channel is arranged in a downward bending mode; the upper side wall and the lower side wall are respectively provided with a plurality of drainage grooves, and the plurality of drainage grooves extend along the flowing direction of the colored rubber material in the auxiliary flow channel.
Furthermore, the inner end of the auxiliary runner is communicated with the main runner in a butt joint mode, a contraction nozzle is arranged at the inner end of the auxiliary runner, the contraction nozzle is in a contraction state, the auxiliary runner and the main runner are arranged in a spaced mode, and when the colored rubber material flows through the contraction nozzle, the contraction nozzle is extruded and opened by the colored rubber material, so that the inner end of the auxiliary runner is communicated with the main runner.
Further, the mold is provided with a horizontally surrounding annular runner, the top of the annular runner is arranged in an open mode to form a top opening, the annular runner surrounds the periphery of the main runner, and the auxiliary runner is communicated with the annular runner;
the annular flow channel is provided with an injection port for injecting colored rubber in the auxiliary flow channel, the top of the side wall of the annular flow channel is respectively deviated from the annular flow channel and is bent outwards to form a bent wall, the bottom of the annular flow channel is provided with a plurality of flow holes, and the flow holes are arranged at intervals along the circumferential direction of the annular flow channel;
colored rubber in the auxiliary runner is injected into the annular runner through the injection port, and the colored rubber in the annular runner flows into the main runner through the plurality of flow holes; when the colored rubber material is filled in the annular flow channel, the colored rubber material overflows into the main flow channel from the bent wall of the annular flow channel.
Further, the main runner comprises a glue storage section and a glue outlet section, the glue storage section is communicated with the top of the glue outlet section, the glue outlet is formed at the bottom of the glue outlet section, and the glue storage section and the glue outlet section are vertically and longitudinally arranged in a butt joint manner; when the liquid silica gel is injected into the main runner from the main gel injection port, the liquid silica gel flows through the gel storage section and the gel outlet section in sequence and is output from the gel outlet port.
Further, the auxiliary runner is communicated with the glue outlet section, and colored glue materials flow into the glue outlet section of the main runner through the auxiliary runner.
Further, along liquid silica gel in the circulation direction of the section of gluing out, the aperture of the section of gluing out reduces gradually.
Furthermore, the main glue injection port is arranged on the side edge of the mold and is horizontally arranged.
Compared with the prior art, the liquid silica gel double-color high-speed glue injection method provided by the invention has the advantages that when double-color high-speed glue injection is carried out, the liquid silica gel flows into the main runner through the main glue injection port by injecting the liquid silica gel into the auxiliary glue injection port, the colored glue flows into the auxiliary runner through the auxiliary glue injection port by injecting the colored glue into the auxiliary glue injection port, the auxiliary runner flows with the main runner, the colored glue flows into the main runner, the bottom of the main runner is provided with a glue outlet for outputting double-color wires formed by glue injection, the liquid silica gel and the colored glue are mixed in the main runner, and the colored glue is extruded through the glue outlet to form the double-color wires.
Drawings
FIG. 1 is a schematic view of a mold for a two-color high-speed liquid silicone gel injection method according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic view of a drainage groove in an auxiliary flow channel provided by the present invention;
FIG. 4 is a schematic view of an annular flow passage provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-4, preferred embodiments of the present invention are shown.
The liquid silica gel double-color high-speed glue injection method comprises a mould 108 for injecting glue, wherein the mould 108 is provided with a main glue injection port 101 for injecting liquid silica gel and an auxiliary glue injection port 103 for injecting colored glue materials, a main runner 100 for allowing the liquid silica gel to circulate and an auxiliary runner 102 for allowing the colored glue materials to circulate are arranged in the mould 108, the liquid silica gel is injected into the main runner 100 through the main glue injection port 101, the colored glue materials are injected into the auxiliary runner 102 through the auxiliary glue injection port 103, the auxiliary runner 102 is communicated with the main runner 100, the colored glue materials in the auxiliary runner 102 flow into the main runner 100 and are injected with the liquid silica gel to form double-color wires, and the bottom of the main runner 100 is provided with a glue outlet 104 for outputting the double-color wires formed by injecting the glue;
liquid silica gel is added into the main glue injection port 101, colored glue is added into the auxiliary glue injection port 103, the liquid silica gel is injected into the main runner 100 through the main glue injection port 101, and the colored glue is injected into the auxiliary runner 102 through the auxiliary glue injection port 103 and flows into the main runner 100; the liquid silica gel and the colored rubber compound mixed in the main flow passage 100 are extruded through the rubber outlet 104 to form a two-color wire, and the colored rubber compound is formed on the surface of the two-color wire.
In the method for injecting liquid silica gel in two colors at a high speed, when injecting the liquid silica gel in two colors, the liquid silica gel flows into the main flow passage 100 through the main injection port 101, the colored rubber material flows into the auxiliary flow passage 102 through the auxiliary injection port 103, the auxiliary flow passage 102 and the main flow passage 100 are communicated, the colored rubber material flows into the main flow passage 100, the bottom of the main flow passage 100 is provided with the rubber outlet 104 for outputting the two-color wires formed by injection molding, the liquid silica gel and the colored rubber material are mixed in the main flow passage 100, and the colored rubber material is extruded through the rubber outlet 104 to form the two-color wires.
In the process of double-color glue injection, liquid silica gel is injected into the main flow channel 100 from the main glue injection port 101, and as the liquid silica gel flows and is extruded from the main flow channel 100 towards the glue outlet 104, colored rubber materials are injected into the auxiliary flow channel 102 from the auxiliary glue injection port 103, the colored rubber materials flow into the main flow channel 100 through the auxiliary flow channel 102, the colored rubber materials are coated on the surface of the liquid silica gel according to a set numerical range, and wires subjected to double-color glue injection are extruded from the glue outlet 104.
Along the flowing direction of the colored rubber in the auxiliary runner 102, the diameter of the auxiliary runner 102 is gradually reduced, and after the colored rubber is injected into the auxiliary runner 102 from the auxiliary rubber injection port 103, the colored rubber is wide in the auxiliary runner 102 with the gradually reduced diameter and narrow out, so that the colored rubber is smoothly and labor-saving extruded in the auxiliary runner 102.
The auxiliary runner 102 is provided with an upper side wall 200 arranged downwards and a lower side wall 201 arranged upwards, along the flowing direction of the colored rubber in the auxiliary runner 102, the lower side wall 201 of the auxiliary runner 102 is arranged obliquely downwards, the upper side wall 200 of the auxiliary runner 102 is arranged in a downward bending manner, the lower side wall 201 arranged obliquely downwards is beneficial to the colored rubber to flow from the auxiliary runner 102, and the upper side wall 200 arranged in a downward bending manner can enable the colored rubber to flow smoothly in the auxiliary runner 102 and control the flowing speed and the flowing direction; go up and be equipped with a plurality of drainage grooves 202 on lateral wall 200 and the lower lateral wall 201 respectively, a plurality of drainage grooves 202 extend along the circulation direction of coloured sizing material in assisting runner 102 and arrange, and coloured sizing material injects into and assists runner 102 through assisting injecting glue mouth 103, and when coloured sizing material flows through drainage groove 202, coloured sizing material is in the same direction as smooth circulation in drainage groove 202, and drainage groove 202 still possesses the effect that makes coloured sizing material velocity of flow remain stable.
A plurality of filter screens 203 are arranged in the auxiliary flow passage 102, a plurality of meshes are arranged in the filter screens 203, the filter screens 203 are used for screening out impurities or sizing material caking blocks in the colored sizing material, the filter screens 203 are arranged at intervals along the flowing direction of the colored sizing material in the auxiliary flow passage 102, and the filter screens 203 filter the colored sizing material layer by layer, so that the finally fine colored sizing material flows out of the auxiliary flow passage 102 and enters the main flow passage 100; along the flowing direction of the colored sizing material in the auxiliary flow channel 102, the diameters of meshes of the plurality of filter screens 203 are gradually reduced, so that impurities with smaller and smaller diameters can be gradually screened, and the colored sizing material can obtain sufficiently fine colored sizing material through the plurality of filter screens 203; in the process of circulating the colored rubber in the auxiliary flow channel 102, the colored rubber is screened and refined layer by layer through a plurality of filter screens 203;
the inner end of the auxiliary runner 102 is communicated with the main runner 100 in a butt joint mode, the inner end of the auxiliary runner 102 is provided with a contraction nozzle 204, the contraction nozzle 204 is in a contraction state, the contraction nozzle 204 is used for spraying colored rubber, the contraction nozzle 204 separates the auxiliary runner 102 from the main runner 100, when colored rubber flows through the contraction nozzle 204, the contraction nozzle 204 is extruded and expanded by the colored rubber, the inner end of the auxiliary runner 102 is communicated with the main runner 100, the colored rubber in the auxiliary runner 102 flows into the main runner 100 through the contraction nozzle 204, and when the colored rubber is stopped from being injected into the auxiliary runner 102, the contraction nozzle 204 is in a contraction state, and separates the auxiliary runner 102 from the main runner 100.
Specifically, the mold 108 is provided with a horizontally surrounding annular runner 205, the top of the annular runner 205 is arranged in an open manner, a top opening is formed, the annular runner 205 surrounds the periphery of the main runner 100, and the auxiliary runner 102 is communicated with the annular runner 205; the annular flow channel 205 can guide the colored rubber material to flow to the main flow channel 100 in multiple directions, so that the colored rubber material flows to the rubber outlet 104 in multiple directions;
the annular runner 205 is provided with an injection port 300 for injecting the colored rubber material in the auxiliary runner 102, the contraction nozzle 204 is in butt joint with the injection port 300, the colored rubber material is injected into the annular runner 205, the top of the side wall of the annular runner 205 deviates from the annular runner 205 and bends outwards respectively to form a bending wall 302, and when the colored rubber material is filled in the annular runner 205, the colored rubber material overflows from the bending wall 302; the bottom of the annular flow channel 205 is provided with a plurality of flow holes 301, the plurality of flow holes 301 are arranged along the flow direction of the colored rubber material, and the colored rubber material flows into the annular flow channel 205 and flows into the main flow channel 100 through the plurality of flow holes 301;
colored rubber material is injected into the annular flow channel 205 through the injection opening 300, the colored rubber material flows into the main flow channel 100 through the plurality of flow holes 301, and when the annular flow channel 205 is filled with the colored rubber material, the colored rubber material overflows into the main flow channel 100 from the curved wall 302 of the annular flow channel 205, so that the colored rubber material can be injected with colored rubber uniformly in multiple directions and is output from the rubber outlet 104.
The main runner 100 comprises a glue storage section 106 and a glue outlet section 105, the glue storage section 106 is communicated with the top of the glue outlet section 105, a glue outlet 104 is formed at the bottom of the glue outlet section 105, the glue storage section 106 and the glue outlet section 105 are vertically and longitudinally arranged in a butt joint mode, liquid silica gel is injected into the main runner 100 from a main glue injection port 101, and the liquid silica gel firstly flows into the glue storage section 106 and then flows into the glue outlet section 105 through the glue storage section 106; when the liquid silicone rubber is injected into the main channel 100 from the main rubber injection port 101, the liquid silicone rubber flows through the rubber storage section 106 and the rubber discharge section 105 in sequence, and is discharged from the rubber discharge port 104.
The auxiliary runner 102 is communicated with the glue outlet section 105, the colored glue material flows into the glue outlet section 105 of the main runner 100 through the auxiliary runner 102, the colored glue material is coated on the liquid silica gel in the glue outlet section 105, and the colored glue material and the liquid silica gel glue the wires to form the bicolor wires.
Along the circulation direction of liquid silica gel in the section 105 that goes out to glue, the aperture of the section 105 that goes out to glue reduces gradually, and the liquid silica gel of being convenient for reduces the aperture gradually at the section 105 that goes out to extrude to be convenient for extrude of liquid silica gel.
The main glue injection port 101 is arranged on the side edge of the mold 108 and is horizontally arranged, liquid silica gel is horizontally injected from the main glue injection port 101 on the side edge of the mold 108, and the injected liquid silica gel flows to the main runner 100 through the main glue injection port 101; the die 108 has a connection portion 107, and the connection portion 107 is used for connecting an extruder, and liquid silicone rubber is injected into a main injection port of the die 108 through the extruder, so that the liquid silicone rubber is extruded from the rubber outlet 104.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The liquid silica gel double-color high-speed glue injection method is characterized by comprising a mold for injecting glue, wherein the mold is provided with a main glue injection port for injecting the liquid silica gel and an auxiliary glue injection port for injecting colored glue materials, a main runner for circulating the liquid silica gel and an auxiliary runner for circulating the colored glue materials are arranged in the mold, the auxiliary runner is communicated with the main runner, and the bottom of the main runner is provided with a glue outlet for outputting double-color wires formed by injecting the glue;
adding liquid silica gel into the main glue injection port and adding colored glue stock into the auxiliary glue injection port, wherein the liquid silica gel is injected into the main runner through the main glue injection port, and the colored glue stock is injected into the auxiliary runner through the auxiliary glue injection port and flows into the main runner; the liquid silica gel and the colored rubber material mixed in the main runner are extruded through the rubber outlet to form a double-color wire, and the colored rubber material is formed on the surface of the double-color wire.
2. The liquid silicone double-color high-speed glue injection method according to claim 1, wherein in the process of double-color glue injection, the colored glue material is coated on the surface of the liquid silicone according to a set numerical range as the liquid silicone flows and is extruded from the main runner toward the glue outlet.
3. The liquid silicone double-color high-speed glue injection method according to claim 1, wherein the diameter of the auxiliary flow channel is gradually reduced along the flowing direction of the colored glue in the auxiliary flow channel.
4. The liquid silicone double-color high-speed glue injection method according to claim 1, wherein the auxiliary flow channel has an upper side wall arranged downward and a lower side wall arranged upward, the lower side wall of the auxiliary flow channel is arranged obliquely downward along the flowing direction of the colored glue in the auxiliary flow channel, and the upper side wall of the auxiliary flow channel is arranged in a downward bending manner; the upper side wall and the lower side wall are respectively provided with a plurality of drainage grooves, and the plurality of drainage grooves extend along the flowing direction of the colored rubber material in the auxiliary flow channel.
5. The liquid silicone double-color high-speed glue injection method according to claim 1, wherein the inner end of the auxiliary flow channel is in butt joint communication with the main flow channel, the inner end of the auxiliary flow channel is provided with a shrinking nozzle, the shrinking nozzle is in a shrinking state, the auxiliary flow channel and the main flow channel are arranged in a spaced manner, and when the colored glue flows through the shrinking nozzle, the colored glue extrudes and expands the shrinking nozzle, so that the inner end of the auxiliary flow channel is communicated with the main flow channel.
6. The liquid silicone double-color high-speed glue injection method according to any one of claims 1 to 5, wherein the mold is provided with a horizontally-surrounding annular runner, the top of the annular runner is arranged in an open manner to form a top opening, the annular runner surrounds the periphery of the main runner, and the auxiliary runner is communicated with the annular runner;
the annular flow channel is provided with an injection port for injecting colored rubber in the auxiliary flow channel, the top of the side wall of the annular flow channel is respectively deviated from the annular flow channel and is bent outwards to form a bent wall, the bottom of the annular flow channel is provided with a plurality of flow holes, and the flow holes are arranged at intervals along the circumferential direction of the annular flow channel;
colored rubber in the auxiliary runner is injected into the annular runner through the injection port, and the colored rubber in the annular runner flows into the main runner through the plurality of flow holes; when the colored rubber material is filled in the annular flow channel, the colored rubber material overflows into the main flow channel from the bent wall of the annular flow channel.
7. The liquid silicone rubber dual-color high-speed glue injection method according to any one of claims 1 to 5, wherein the main runner comprises a glue storage section and a glue outlet section, the glue storage section is communicated with the top of the glue outlet section, the glue outlet is formed at the bottom of the glue outlet section, and the glue storage section and the glue outlet section are vertically and longitudinally butted; when the liquid silica gel is injected into the main runner from the main gel injection port, the liquid silica gel flows through the gel storage section and the gel outlet section in sequence and is output from the gel outlet port.
8. The dual-color high-speed glue injection method for liquid silicone rubber according to claim 7, wherein the auxiliary flow channel is communicated with the glue outlet section, and colored glue flows into the glue outlet section of the main flow channel through the auxiliary flow channel.
9. The liquid silicone double-color high-speed glue injection method according to any one of claim 7, wherein the pore size of the glue outlet section is gradually reduced along the flow direction of the liquid silicone in the glue outlet section.
10. The liquid silicone double-color high-speed glue injection method according to any one of claims 1 to 5, wherein the main glue injection ports are arranged on the side edge of the mold and are horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111271873.2A CN114043700B (en) | 2021-10-29 | 2021-10-29 | Liquid silica gel double-color high-speed glue injection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111271873.2A CN114043700B (en) | 2021-10-29 | 2021-10-29 | Liquid silica gel double-color high-speed glue injection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114043700A true CN114043700A (en) | 2022-02-15 |
| CN114043700B CN114043700B (en) | 2024-07-16 |
Family
ID=80206472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111271873.2A Active CN114043700B (en) | 2021-10-29 | 2021-10-29 | Liquid silica gel double-color high-speed glue injection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114043700B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH258422A (en) * | 1944-09-25 | 1948-11-30 | Standard Telephone & Radio Sa | Process for coating a wire with insulating materials of different colors, and machine for carrying out the process. |
| US4087222A (en) * | 1975-02-25 | 1978-05-02 | Noel, Marquet & Cie, S.A. | Continuous extrusion of thermoplastic materials |
| US5162121A (en) * | 1988-01-30 | 1992-11-10 | Toyo Seikan Kaisha, Ltd. | Apparatus for extruding multiple synthetic resins |
| CN2606953Y (en) * | 2003-02-13 | 2004-03-17 | 河北省线缆科学技术研究所有限公司 | Non-eccentric align-ree double colour extruding mould for wire and cable |
| CN101546632A (en) * | 2009-04-30 | 2009-09-30 | 长江高科电缆有限公司 | Bicolor electric wire and cable jacket extrusion mould |
| CN202507506U (en) * | 2012-03-02 | 2012-10-31 | 北京化工大学 | Composite conductive silicone rubber extruder head |
| CN206264309U (en) * | 2016-11-07 | 2017-06-20 | 中山市天键电声有限公司 | The extrusion mechanism and double-colored spiral wire of double-colored wire rod process units |
| US20180029277A1 (en) * | 2015-02-13 | 2018-02-01 | Societe Bic S.A. | Coextrusion processes and products produced thererom |
| CN207240795U (en) * | 2017-09-28 | 2018-04-17 | 石狮市新华塑料机械有限公司 | A kind of novel dual-color co-extruding mould |
| CN209304954U (en) * | 2018-12-14 | 2019-08-27 | 广州市蓝旗广告器材有限公司 | A kind of dual-color silica gel synchronization extrusion die |
| CN112192823A (en) * | 2020-09-17 | 2021-01-08 | 江苏亨通光电股份有限公司 | Double-heterochromatic strip sheath and extrusion die thereof |
| CN214027118U (en) * | 2020-09-19 | 2021-08-24 | 中山市龙鑫政龙重工机械有限公司 | Multi-color machine head for plastic extruder |
-
2021
- 2021-10-29 CN CN202111271873.2A patent/CN114043700B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH258422A (en) * | 1944-09-25 | 1948-11-30 | Standard Telephone & Radio Sa | Process for coating a wire with insulating materials of different colors, and machine for carrying out the process. |
| US4087222A (en) * | 1975-02-25 | 1978-05-02 | Noel, Marquet & Cie, S.A. | Continuous extrusion of thermoplastic materials |
| US5162121A (en) * | 1988-01-30 | 1992-11-10 | Toyo Seikan Kaisha, Ltd. | Apparatus for extruding multiple synthetic resins |
| CN2606953Y (en) * | 2003-02-13 | 2004-03-17 | 河北省线缆科学技术研究所有限公司 | Non-eccentric align-ree double colour extruding mould for wire and cable |
| CN101546632A (en) * | 2009-04-30 | 2009-09-30 | 长江高科电缆有限公司 | Bicolor electric wire and cable jacket extrusion mould |
| CN202507506U (en) * | 2012-03-02 | 2012-10-31 | 北京化工大学 | Composite conductive silicone rubber extruder head |
| US20180029277A1 (en) * | 2015-02-13 | 2018-02-01 | Societe Bic S.A. | Coextrusion processes and products produced thererom |
| CN206264309U (en) * | 2016-11-07 | 2017-06-20 | 中山市天键电声有限公司 | The extrusion mechanism and double-colored spiral wire of double-colored wire rod process units |
| CN207240795U (en) * | 2017-09-28 | 2018-04-17 | 石狮市新华塑料机械有限公司 | A kind of novel dual-color co-extruding mould |
| CN209304954U (en) * | 2018-12-14 | 2019-08-27 | 广州市蓝旗广告器材有限公司 | A kind of dual-color silica gel synchronization extrusion die |
| CN112192823A (en) * | 2020-09-17 | 2021-01-08 | 江苏亨通光电股份有限公司 | Double-heterochromatic strip sheath and extrusion die thereof |
| CN214027118U (en) * | 2020-09-19 | 2021-08-24 | 中山市龙鑫政龙重工机械有限公司 | Multi-color machine head for plastic extruder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114043700B (en) | 2024-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CS273323B2 (en) | Equipment for ribbed tubes production | |
| CN114043700A (en) | Liquid silica gel double-color high-speed glue injection method | |
| CN107696390B (en) | A kind of method manufacturing clamping ring and its manufacture the equipment of clamping ring, injection molding machine | |
| CN219838178U (en) | Straw forming die of straw machine | |
| US6976603B1 (en) | Dual-chamber container, and method and apparatus for its manufacture | |
| CN203305475U (en) | Novel multi-mold cavity flow balance cold runner structure | |
| CN204701100U (en) | Cable jacket identification strip polychrome note bar mould | |
| CN110549579A (en) | extrusion molding device and optical cable roundness improving process | |
| CN218053884U (en) | Forming die of double-color tube | |
| CN216400327U (en) | Liquid silica gel double-color glue injection mold | |
| CN106024134B (en) | The double-colored insulated cable core of more vittas and its manufacture mould and manufacture method | |
| CN107738410B (en) | Runner structure of rubber mold | |
| CN201320839Y (en) | Film blowing machine head | |
| CN209176140U (en) | The three-layer co-extruded spiral mould of PE tubing | |
| CN2491213Y (en) | Plastic pipes extruding forming mould | |
| CN106626315A (en) | Extrusion forming die capable of producing two optical cables simultaneously | |
| CN220482520U (en) | Pipe color line forming die | |
| JPS6056515A (en) | Die for blow forming | |
| CN217528753U (en) | Extrusion die | |
| CN218985694U (en) | Extrusion molding die | |
| CN216683249U (en) | Double-layer co-extrusion die for multi-cavity pipe | |
| CN217891794U (en) | Steel wire rope extrusion molding die | |
| CN118046565B (en) | Multilayer extrusion blow molding die head with adjustable flow channel | |
| CN220031119U (en) | Bar extrusion die | |
| CN209869290U (en) | Multi-cavity mold runner structure |
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 | ||
| GR01 | Patent grant |