CN207643537U - A kind of plastic inner lining and the close-connected jet pipe of metal shell - Google Patents
A kind of plastic inner lining and the close-connected jet pipe of metal shell Download PDFInfo
- Publication number
- CN207643537U CN207643537U CN201721751796.XU CN201721751796U CN207643537U CN 207643537 U CN207643537 U CN 207643537U CN 201721751796 U CN201721751796 U CN 201721751796U CN 207643537 U CN207643537 U CN 207643537U
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- CN
- China
- Prior art keywords
- metal shell
- plastic inner
- inner lining
- jet pipe
- close
- 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.)
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model is related to a kind of plastic inner linings and the close-connected jet pipe of metal shell, belong to compression molding field.The jet pipe of the utility model, including metal shell and plastic inner lining are provided with compacting hole on the side wall of the metal shell, and plastic inner lining is compressed on the inner cavity of metal shell.To further enhance the bonding force of metal shell and plastic inner lining, the annular screens portion inwardly to close up is machined in the end of the big opening end of metal shell, while annular pressing trough is provided in the inner cavity of metal shell.The jet pipe of the utility model increases the binding force of plastic inner lining and metal shell by the way that annular groove and increase annular screens portion etc. are punched, opened on metal shell.When solving compression molding demoulding, the problem of plastic inner lining is easy to fall off or loosens.
Description
Technical field
The utility model is related to a kind of plastic inner linings and the close-connected jet pipe of metal shell, belong to compression molding field.
Background technology
Certain jet pipe product includes the metal shell of outside, and is compressed on the plastic inner lining of metal shell inner cavity.In compression moulding
In molding process, process is by liner direct pressing inside metal shell, and production procedure is as follows：Shell body cleaning is pre-
Shell --- is put into mold (small oral area is downward) --- charging molding --- elevated cure --- by hot (while mold preheating)
Heat preservation --- die sinking pickup.Since the shape of metal shell inner cavity is taper, after the completion of compacting during mold releasability, liner
In the presence of the risk to fall off from shell, product quality is influenced.
Utility model content
Purpose of the utility model is to solve traditional nozzle structures after the completion of compacting during mold releasability, liner
In the presence of the risk for falling off or loosening from metal shell, a kind of plastic inner lining and the close-connected jet pipe of metal shell are provided.
The purpose of this utility model is achieved through the following technical solutions：
A kind of plastic inner lining of the utility model and the close-connected jet pipe of metal shell, including in metal shell and plastics
It serves as a contrast, is provided with compacting hole on the side wall of the metal shell, plastic inner lining is compressed on the inner cavity of metal shell.
To further enhance the bonding force of metal shell and plastic inner lining, it is machined in the end of the big opening end of metal shell
The annular screens portion inwardly to close up, while being provided with annular pressing trough in the inner cavity of metal shell.
The course of work
Before compression moulding, the small oral area of metal shell is first packed into mold downward, then compression moulding compounds are fitted into mold, are then closed
Mould starts to warm up, and mold is heated to heat preservation solidification after technological temperature, pickup is molded after cooling.
Advantageous effect
The jet pipe of the utility model is increased by the way that annular groove and increase annular screens portion etc. are punched, opened on metal shell
Add the binding force of plastic inner lining and metal shell.When solving compression molding demoulding, plastic inner lining is easy to fall off or what is loosened asks
Topic, improves product quality and production efficiency, has important application value in similar-type products.
Description of the drawings
Fig. 1 is the structural schematic diagram of traditional jet pipe；
Fig. 2 is the structural schematic diagram of the utility model jet pipe
Specific implementation mode
The content of the utility model is further described with reference to the accompanying drawings and examples.
Embodiment
A kind of plastic inner lining of the utility model and the close-connected jet pipe of metal shell, including in metal shell and plastics
It serves as a contrast, is provided with compacting hole on the side wall of the metal shell, plastic inner lining is compressed on the inner cavity of metal shell.
To further enhance the bonding force of metal shell and plastic inner lining, it is machined in the end of the big opening end of metal shell
The annular screens portion inwardly to close up, while being provided with annular pressing trough in the inner cavity of metal shell.
The course of work
Before compression moulding, the small oral area of metal shell is first packed into mold downward, then compression moulding compounds are fitted into mold, are then closed
Mould starts to warm up, and mold is heated to heat preservation solidification after technological temperature, pickup is molded after cooling.
Claims (3)
1. a kind of plastic inner lining and the close-connected jet pipe of metal shell, including metal shell and plastic inner lining, it is characterized in that：Institute
It states and is provided with compacting hole on the side wall of metal shell, plastic inner lining is compressed on the inner cavity of metal shell.
2. jet pipe as described in claim 1, it is characterized in that：It is machined in the end of the big opening end of metal shell and inwardly closes up
Annular screens portion.
3. jet pipe as claimed in claim 1 or 2, it is characterized in that：It is provided with annular pressing trough in the inner cavity of metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751796.XU CN207643537U (en) | 2017-12-14 | 2017-12-14 | A kind of plastic inner lining and the close-connected jet pipe of metal shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751796.XU CN207643537U (en) | 2017-12-14 | 2017-12-14 | A kind of plastic inner lining and the close-connected jet pipe of metal shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207643537U true CN207643537U (en) | 2018-07-24 |
Family
ID=62880405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721751796.XU Active CN207643537U (en) | 2017-12-14 | 2017-12-14 | A kind of plastic inner lining and the close-connected jet pipe of metal shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207643537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670476A (en) * | 2022-03-30 | 2022-06-28 | 晋西工业集团有限责任公司 | Compression molding method for slender tubular composite part |
-
2017
- 2017-12-14 CN CN201721751796.XU patent/CN207643537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670476A (en) * | 2022-03-30 | 2022-06-28 | 晋西工业集团有限责任公司 | Compression molding method for slender tubular composite part |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |