CN114379054A - Extrusion process suitable for coating different products - Google Patents
Extrusion process suitable for coating different products Download PDFInfo
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- CN114379054A CN114379054A CN202111677907.8A CN202111677907A CN114379054A CN 114379054 A CN114379054 A CN 114379054A CN 202111677907 A CN202111677907 A CN 202111677907A CN 114379054 A CN114379054 A CN 114379054A
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- coating
- extrusion
- product
- coating material
- extrusion die
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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
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of coating processes, in particular to an extrusion process suitable for coating different products. The extrusion die comprises an extruder and an extrusion die connected to an extrusion end of the extruder, wherein a product coating material extrusion connecting port is formed in the extrusion die and is connected with a coating material extrusion mechanism through a pipeline, a coating flow channel is further arranged in the extrusion die, a plurality of coating glue outlets are formed in the extrusion die, the product coating material extrusion connecting port is communicated with the coating flow channel, the coating flow channel is communicated with the coating glue outlets, and the coating glue outlets are formed in the periphery of a cavity of the extrusion die through flow channels. The invention has the advantages that: the invention saves the use cost of the product, and finishes the adhesion of the coating while extruding the sealing element; by replacing different extrusion dies and runners, coating and production can be carried out on the sealing elements of products in different shapes.
Description
Technical Field
The invention relates to the technical field of coating processes, in particular to an extrusion process suitable for coating different products.
Background
At present, most sealing products in the automobile sealing industry adopt vacuum coatings, and the coatings are attached to the surfaces of the products by utilizing vacuum gasification precipitation; the process has high equipment cost and long production period of the product, and has large investment in the early stage along with the explosive growth of new energy automobiles, and the product, the coating material and corresponding equipment; the production cycle is long, the front and back surfaces of the product need to be coated, and the product needs to pass through a vacuum chamber twice, so that an extrusion process suitable for coating different products needs to be designed to solve the problems.
Disclosure of Invention
The object of the present invention is to provide an extrusion process suitable for coating different products, which overcomes the above-mentioned disadvantages of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an extrusion process suitable for coating different products, which comprises an extruder and an extrusion die connected to the extrusion end of the extruder, and is characterized in that: offer product coating material on the extrusion tooling and extrude the connector, product coating material extrudes the connector and has coating material extrusion mechanism through the pipe connection still be provided with the coating runner in the extrusion tooling, be provided with a plurality of coatings in the extrusion tooling and go out the jiao kou, product coating material extrude the connector with the coating runner is linked together, the coating runner is linked together in coating goes out jiao kou, the coating goes out jiao kou and passes through the runner setting around extrusion tooling's die cavity, specifically includes following step:
firstly, pre-drying raw materials;
step two, adding the raw materials into an extruder, and melting the raw materials in the extruder to form a melt;
adding the product coating material into a coating material extruding mechanism, and melting the product coating material in the coating material extruding mechanism to form a coating melt;
extruding the melt through an extrusion mechanism, discharging the melt along an extrusion die to obtain a product, extruding the coating melt along a coating material extrusion mechanism, extruding the coating melt into the die along a coating material extrusion connecting port of the product, flowing into a coating glue outlet through a coating runner, and flowing into the periphery of the product from the coating glue outlet into the runner so as to attach a coating to the periphery of the product;
and step five, cooling to obtain the product.
Preferably, the coating material extrusion mechanism is capable of adjusting the flow rate of extrusion according to the flow rate of the melt.
Preferably, the coating runner, the coating glue outlet and the runner which are arranged on the extrusion die are all arranged according to the cavity.
The invention has the beneficial effects that: after the coating material is extruded out, the periphery of the product is attached with the coating through the coating runner and the coating glue outlet; the whole adhesion process is completed in the extrusion die without being completed in a production workshop of production, so that the use cost of the product is saved, and the adhesion of the coating is completed while the sealing element is extruded; the coating runner, the coating glue outlet and the runner which are used in a matched mode are matched with products in different shapes for use by replacing different extrusion dies, and sealing elements of the products in different shapes can be produced.
Drawings
FIG. 1 is a schematic view of a portion of an extrusion die suitable for use in an extrusion process for coating various products according to the present invention;
in the figure: 1. extruding the mould; 11. a product coating material extrusion connecting port; 12. a coating flow channel; 13. a coating glue outlet; 14. a coating flow channel; 15. a flow channel; 2. a mold cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the present embodiment is an extrusion process suitable for coating different products, which includes an extruder, an extrusion die 1 connected to an extrusion end of the extruder, and is characterized in that: offer product coating material on the extrusion tooling and extrude connector 11, product coating material extrudes the connector and has coating material extrusion mechanism through the pipe connection still be provided with coating runner 12 in the extrusion tooling, be provided with a plurality of coatings in the extrusion tooling and go out jiao kou 13, product coating material extrudes the connector with coating runner 14 is linked together, the coating runner communicates in coating goes out jiao kou, the coating goes out jiao kou and sets up around extrusion tooling's die cavity 2 through runner 15, specifically includes following steps:
firstly, pre-drying raw materials;
step two, adding the raw materials into an extruder, and melting the raw materials in the extruder to form a melt;
adding the product coating material into a coating material extruding mechanism, and melting the product coating material in the coating material extruding mechanism to form a coating melt;
extruding the melt through an extrusion mechanism, discharging the melt along an extrusion die to obtain a product, extruding the coating melt along a coating material extrusion mechanism, extruding the coating melt into the die along a coating material extrusion connecting port of the product, flowing into a coating glue outlet through a coating runner, and flowing into the periphery of the product from the coating glue outlet into the runner so as to attach a coating to the periphery of the product;
and step five, cooling to obtain the product.
The coating material extrusion mechanism can adjust the flow rate of extrusion according to the flow rate of the melt.
The coating runner, the coating glue outlet and the runner which are arranged on the extrusion die are all arranged according to the cavity.
After the coating material is extruded out, the periphery of the product is attached with the coating through the coating runner and the coating glue outlet; the whole adhesion process is completed in the extrusion die without being completed in a production workshop of production, so that the use cost of the product is saved, and the adhesion of the coating is completed while the sealing element is extruded; the coating runner, the coating glue outlet and the runner which are used in a matched mode are matched with products in different shapes for use by replacing different extrusion dies, and sealing elements of the products in different shapes can be produced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. An extrusion process suitable for coating different products, which comprises an extruder and an extrusion die connected to the extrusion end of the extruder, and is characterized in that: the extrusion die is provided with a product coating material extrusion connecting port, the product coating material extrusion connecting port is connected with a coating material extrusion mechanism through a pipeline, a coating flow channel is further arranged in the extrusion die, a plurality of coating glue outlets are arranged in the extrusion die, the product coating material extrusion connecting port is communicated with the coating flow channel, the coating flow channel is communicated with the coating glue outlets, and the coating glue outlets are arranged around a cavity of the extrusion die through the flow channel, and the extrusion die specifically comprises the following steps:
firstly, pre-drying raw materials;
step two, adding the raw materials into an extruder, and melting the raw materials in the extruder to form a melt;
adding the product coating material into a coating material extruding mechanism, and melting the product coating material in the coating material extruding mechanism to form a coating melt;
extruding the melt through an extrusion mechanism, discharging the melt along an extrusion die to obtain a product, extruding the coating melt along a coating material extrusion mechanism, extruding the coating melt into the die along a coating material extrusion connecting port of the product, flowing into a coating glue outlet through a coating runner, and flowing into the periphery of the product from the coating glue outlet into the runner so as to attach a coating to the periphery of the product;
and step five, cooling to obtain the product.
2. An extrusion process suitable for coating different products according to claim 1, characterized in that: the coating material extrusion mechanism can adjust the flow rate of extrusion according to the flow rate of the melt.
3. An extrusion process suitable for coating different products according to claim 1, characterized in that: the coating runner, the coating glue outlet and the runner which are arranged on the extrusion die are all arranged according to the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111677907.8A CN114379054A (en) | 2021-12-31 | 2021-12-31 | Extrusion process suitable for coating different products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111677907.8A CN114379054A (en) | 2021-12-31 | 2021-12-31 | Extrusion process suitable for coating different products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114379054A true CN114379054A (en) | 2022-04-22 |
Family
ID=81200246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111677907.8A Withdrawn CN114379054A (en) | 2021-12-31 | 2021-12-31 | Extrusion process suitable for coating different products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114379054A (en) |
-
2021
- 2021-12-31 CN CN202111677907.8A patent/CN114379054A/en not_active Withdrawn
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220422 |