SU793777A1 - Mould for making polymeric articles with undercut portions - Google Patents
Mould for making polymeric articles with undercut portions Download PDFInfo
- Publication number
- SU793777A1 SU793777A1 SU792742004A SU2742004A SU793777A1 SU 793777 A1 SU793777 A1 SU 793777A1 SU 792742004 A SU792742004 A SU 792742004A SU 2742004 A SU2742004 A SU 2742004A SU 793777 A1 SU793777 A1 SU 793777A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- mould
- undercut portions
- polymeric articles
- making polymeric
- column
- Prior art date
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
Сущность изобретени по сн етс чертежом , где на фиг. 1 - продольный разрез формы с наклонной колонкой некруглого сечени ; на фиг. 2 - разрез А-А фиг. 1; на фиг. 3 - продольный разрез формы с колонкой круглого сечени ; на фиг. 4 - разрез Б-Б фиг. 3.The invention is illustrated in the drawing, where in FIG. 1 is a longitudinal section of a mold with an inclined column of non-circular cross section; in fig. 2 - section A-A of FIG. one; in fig. 3 is a longitudinal section of a mold with a round column; in fig. 4 - section bb FIG. 3
Литьева форма содержит неподвижную литниковую плиту 1 с закрепленными в ней наклонной колонкой 2 и литниковой втулкой 3, подвижную плиту 4, плиту матрицы 5, размещенную на подвижной плите, формирующий в изделии поднутрение знак 6, перемещаемый в плите матрицы, на которой размещены направл ющие 7, вход щие в пазы 8, выполненные на свободном конце наклонной колонки. Длина направл ющих 7 больще или равна ходу подвижной части, обеспечивающему полное извлечение знака 6.The casting mold contains a fixed gating plate 1 with an inclined column 2 and a gating sleeve 3 fixed in it, a movable plate 4, a matrix plate 5 placed on a movable plate forming an undercut sign 6 in the product, which is moved in the matrix plate on which the guides 7 are placed inserted into the slots 8, made at the free end of the inclined column. The length of the guides 7 is longer or equal to the travel of the movable part, ensuring the complete extraction of the sign 6.
В варианте формы на фиг. 3 и 4 отличие заключаетс лишь в сечении колонки: колонка выполнена круглого сечени .In the embodiment of the form in FIG. 3 and 4, the difference is only in the column section: the column is made in a circular section.
При разъеме формы колонка 2, воздейству на знак 6, извлекает его из отливки. Колонка 2 имеет две опоры: с одной стороны она закреплена в неподвижной плите 1, а с другой стороны взаимодействует пазами 8 с направл ющими 7 подвижной плиты матрицы. При раскрытии формы направл ющие перемещаютс в пазах колонок, обеспечива опору свободному концу колонки на период движени знака.At the connector of the shape of the column 2, I act on the sign 6, removes it from the casting. Column 2 has two supports: on the one hand it is fixed in the fixed plate 1, and on the other hand it interacts with the slots 8 with the guides 7 of the movable matrix plate. When the mold is opened, the guides move in the grooves of the columns, providing support to the free end of the column for the period of movement of the mark.
Предлагаема литьева форма надежна в работе.The proposed casting form is reliable in operation.
ичich
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792742004A SU793777A1 (en) | 1979-03-26 | 1979-03-26 | Mould for making polymeric articles with undercut portions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792742004A SU793777A1 (en) | 1979-03-26 | 1979-03-26 | Mould for making polymeric articles with undercut portions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU793777A1 true SU793777A1 (en) | 1981-01-07 |
Family
ID=20817493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU792742004A SU793777A1 (en) | 1979-03-26 | 1979-03-26 | Mould for making polymeric articles with undercut portions |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU793777A1 (en) |
-
1979
- 1979-03-26 SU SU792742004A patent/SU793777A1/en active
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