JPS5828357A - Injection molding die for t-shaped tube joint - Google Patents
Injection molding die for t-shaped tube jointInfo
- Publication number
- JPS5828357A JPS5828357A JP12652681A JP12652681A JPS5828357A JP S5828357 A JPS5828357 A JP S5828357A JP 12652681 A JP12652681 A JP 12652681A JP 12652681 A JP12652681 A JP 12652681A JP S5828357 A JPS5828357 A JP S5828357A
- Authority
- JP
- Japan
- Prior art keywords
- joint
- core
- molding
- mold
- cavity
- 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
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
- B29C45/26—Moulds
- B29C45/261—Moulds having tubular mould cavities
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
本発明はプラスチック製Ｔ字型管継手の射出成形用金型
の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in an injection mold for a plastic T-shaped pipe joint.
プラスチック製Ｔ字型管継手は、直線管路に分岐管を接
続する場合に使用されるが、分岐管の接続がフランジ方
式、螺合方式、ゴム輪方式あるいは接着剤方式等、多様
な方式で行われるので、そのＴ字型管継手には、Ｔ字型
脚部の継手部分をフランジ付、螺子溝付、ゴム輪装着用
溝付、あるいはテーパ付とした多種類のものが必要とな
る。Plastic T-shaped pipe joints are used to connect branch pipes to straight pipes, but branch pipes can be connected in a variety of ways, such as by flanges, screws, rubber rings, or adhesives. Therefore, various types of T-shaped pipe joints are required, with the joint portion of the T-shaped leg having flanges, screw grooves, grooves for attaching rubber rings, or tapered joints.
而るに、従来においては、Ｔ字型管継手の上記種類ごと
に、金型を製作しており、その金型材料費、加工費が高
価となって不利である。However, conventionally, molds have been manufactured for each of the above-mentioned types of T-shaped pipe joints, which is disadvantageous because the mold material costs and processing costs are high.
本発明に係るＴ字型管継手の射出成形用金型は、金型材
料費、加工費等を節減し得るものであり、プラスチック
製Ｔ字型管継手の射出゛成形金型において、Ｔ字型脚部
の継手部分を成形するための中子を装着するキャビティ
部分を取替可能としたことを特徴とする構成である。The injection mold for a T-shaped pipe joint according to the present invention can reduce mold material costs, processing costs, etc. This configuration is characterized in that the cavity portion into which the core for molding the joint portion of the mold leg is mounted is replaceable.
以下、図面により本発明を説明する。The present invention will be explained below with reference to the drawings.
第１図Ａ〜第１図Ｅは本発明に係る金型によって成形す
るプラスチック製の各種継手を示し、直管継手部分はゴ
ム輪装着溝を備え、その寸法、形状は全継手とも異なる
ところがなく、Ｔ字型脚部の継手部分１のみが形状、寸
法を異にしている。Figures 1A to 1E show various types of plastic joints molded using the mold according to the present invention.The straight pipe joint part is equipped with a rubber ring mounting groove, and its dimensions and shape are the same as all the joints. , only the joint portion 1 of the T-shaped leg differs in shape and dimensions.
第１図Ａに示す継手においては、Ｔ字型脚部の継手部分
１が７ランジ１１を備えている。In the joint shown in FIG. 1A, the joint part 1 of the T-leg is provided with seven flanges 11.
第１図Ｂに示す継手においては、同上継手部分１が螺子
溝１２を備えている。In the joint shown in FIG. 1B, the joint portion 1 is provided with a threaded groove 12. As shown in FIG.
第１図Ｃに示す継手においては、同上継手部分１がゴム
輪装着用溝１３を備えている。In the joint shown in FIG. 1C, the joint portion 1 is provided with a groove 13 for attaching a rubber ring.
第１図りに示す継手においては、同上継手部分１がＴＳ
接合用のテーパ面１４を備えている。In the joint shown in the first drawing, the joint part 1 is TS
A tapered surface 14 for bonding is provided.
第１図Ｅに示す継手においては、同上継手部分１が存在
せず、直線接続用に用いられる。In the joint shown in FIG. 1E, the joint portion 1 is not present and is used for a straight connection.
第２図は本発明に係る金型を示し、２は継手の上記種類
に関係なく共用される共通キャビティである。３．３は
継手の上記種類に関係なく゛共用される共通中子である
。３０はＴ字型脚部の継手部分を成形するための上記継
手の種類に応じた固有の中子であり、図示するものにお
いては、第１図Ｃの継手に対する固有中子が示されてい
る。２０は固有中子３０を装着するためのキャビティ部
分であり、取替自在とされずいる。４，４・・・は中子
押えである。FIG. 2 shows a mold according to the present invention, and 2 is a common cavity that is shared regardless of the above-mentioned types of joints. 3.3 is a common core that is commonly used regardless of the above-mentioned types of joints. Reference numeral 30 denotes a unique core for molding the joint portion of the T-shaped leg according to the type of the joint described above, and in the illustrated one, the unique core for the joint of FIG. 1C is shown. . 20 is a cavity portion for mounting the unique core 30, and is not replaceable. 4, 4... are core pressers.
２第２図において、固有中子３０並びにキャビティ部分
２０には、第１図００継手に対応するものが使用されて
いる。2 In FIG. 2, a unique core 30 and a cavity portion 20 corresponding to the 00 joint in FIG. 1 are used.
而るに、例えば、第１図Ａに示す継手を射出成形するに
は、第３図に示す固有中子３００並びにキャビティ部分
２００に取替えればよい。For example, in order to injection mold the joint shown in FIG. 1A, it is sufficient to replace it with the unique core 300 and cavity portion 200 shown in FIG.
又、第１図Ｅに示す直管継手を射出成形するには、第４
図に示すように、盲のキャビティ部分２０１に取替えれ
ばよい。In addition, in order to injection mold the straight pipe joint shown in Fig. 1E, the fourth
As shown in the figure, it may be replaced with a blind cavity portion 201.
本発明に係るＴ字型管継手の射出成形用金型は、上述し
た通りの構成であり、Ｔ字型脚部の継手部分を成形する
中子部分並びにキャビティ部分のみをＴ字型管継手Ｏ種
類に応じて製作すればよく、金型の大部分を構成するそ
の他の中子並びにキャビティは上記継手の種類に関係な
。The injection mold for a T-shaped pipe joint according to the present invention has the configuration as described above, and only the core part and cavity part for molding the joint part of the T-shaped leg part are molded into the T-shaped pipe joint O. The other cores and cavities that make up the majority of the mold are not related to the type of joint.
く共用できるから、金型材料費、加工費を充分に節減で
きる。Since it can be shared widely, mold material costs and processing costs can be reduced considerably.
又、機械的最弱点箇所がＴ字脚つけ根に在るＴ字型管継
手の金型においては、同つけ根を成形する金型部分の保
守が重要であるが、本発明によれば、その金型部分を含
むキャビティ部分を取替えることができるので、上記の
保守も容易である。Furthermore, in a mold for a T-shaped pipe joint where the mechanically weakest point is at the base of the T-shaped leg, maintenance of the mold part that molds the base is important, but according to the present invention, the Since the cavity portion including the mold portion can be replaced, the above-mentioned maintenance is also easy.
第１図Ｃ１第１図Ｂ、第１図Ｃ１第１図り並びに第１図
Ｅは本発明に係る金型によって成形される各種のＴ字型
管網手並びに直管継手を示す説明図、第２図は本発明に
係る金型を示す説明図、第３図は本発明において使用す
るキャビティ部分並びに中子の一例を示す説明図、第４
図は本発明に係る金型の一使用状態を示す説明図である
。
図において、２０，２００，２０１はキャビティ部分、
３０、３００はキャビティ部分の中子である。
Ｔｌｌ：１Ｊ１４ Ｔ１１
ｆＪＤアｌ５ｉｌＥ
７２房Fig. 1C1 Fig. 1B, Fig. 1C1 1st diagram, and Fig. 1E are explanatory views showing various T-shaped pipe meshes and straight pipe joints molded by the mold according to the present invention. Fig. 2 is an explanatory diagram showing a mold according to the present invention, Fig. 3 is an explanatory diagram showing an example of a cavity portion and a core used in the present invention, and Fig. 4 is an explanatory diagram showing an example of a cavity portion and a core used in the present invention.
The figure is an explanatory view showing one usage state of the mold according to the present invention. In the figure, 20, 200, 201 are cavity parts,
30 and 300 are cores of the cavity portion. Tll:1J14 T11
fJD al5ilE 72 cells
Claims (1)
において、Ｔ字型脚部の継手部分を成形するための中子
を装着するキャビティ部分を取替可能としたことを特徴
とするＴ字型管継手の射出成形用金型。(1) In an injection molding mold for a plastic T-shaped pipe joint, a T-shaped pipe joint is characterized in that the cavity part into which a core for molding the joint part of the T-shaped leg part is installed is replaceable. Mold for injection molding of pipe fittings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12652681A JPS5828357A (en) | 1981-08-11 | 1981-08-11 | Injection molding die for t-shaped tube joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12652681A JPS5828357A (en) | 1981-08-11 | 1981-08-11 | Injection molding die for t-shaped tube joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5828357A true JPS5828357A (en) | 1983-02-19 |
Family
ID=14937382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12652681A Pending JPS5828357A (en) | 1981-08-11 | 1981-08-11 | Injection molding die for t-shaped tube joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5828357A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6339515U (en) * | 1986-08-29 | 1988-03-14 | ||
| CN106273132A (en) * | 2015-05-15 | 2017-01-04 | 北新集团建材股份有限公司 | A kind of drain pipe trap mould |
| CN106273127A (en) * | 2015-05-15 | 2017-01-04 | 北新集团建材股份有限公司 | A kind of drain pipe trap common mode production method |
-
1981
- 1981-08-11 JP JP12652681A patent/JPS5828357A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6339515U (en) * | 1986-08-29 | 1988-03-14 | ||
| CN106273132A (en) * | 2015-05-15 | 2017-01-04 | 北新集团建材股份有限公司 | A kind of drain pipe trap mould |
| CN106273127A (en) * | 2015-05-15 | 2017-01-04 | 北新集团建材股份有限公司 | A kind of drain pipe trap common mode production method |
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