一种成型零件及模具

Abstract

本实用新型涉及注塑成型装置技术领域，尤其涉及一种成型零件及模具，其技术方案的要点是：包括：模仁，具有成型凸部以及滑动面，所述滑动面的一侧与所述成型凸部的底部连接；滑块，通过所述滑动面与所述模仁滑动配合，所述滑块的一侧与所述成型凸部相活动抵接，当所述滑块与所述成型凸部相抵接时，所述成型凸部与所述滑块之间形成型腔；所述成型凸部的底部具有延伸段，所述延伸段使所述型腔的分型面与滑动面相互错开，本申请提供的技术方案解决了产品在滑动面与型腔的交接处容易产生披锋的问题。

Claims

1. A shaped part, characterized by, include: The mold core (1) has a forming protrusion (3) and a sliding surface (11), one side of the sliding surface (11) being connected to the bottom of the forming protrusion (3); The slider (2) slides with the mold core (1) through the sliding surface (11). One side of the slider (2) moves and abuts against the forming protrusion (3). When the slider (2) abuts against the forming protrusion (3), a cavity (6) is formed between the forming protrusion (3) and the slider (2). The bottom of the forming protrusion (3) has an extension section (31) that makes the parting surface (9) of the cavity (6) and the sliding surface (11) offset from each other.

2. The shaped part of claim 1, wherein, It also includes an insert (4), and the slider (2) has an installation groove (21) on one side near the shaped protrusion (3). The insert (4) is embedded in the installation groove (21) and connected to the slider (2). One side of the slider (2) abuts against the extension section (31), and the other side slides against the sliding surface (11).

3. The shaped part of claim 2, wherein, The insert (4) has a positioning protrusion (41) on one side, and the mounting groove (21) has a positioning recess (211) on the groove wall. The positioning protrusion (41) is inserted and positioned in the positioning recess (211).

4. The shaped part of claim 3, wherein, At least two positioning protrusions (41) are provided on the insert (4), and the number of positioning recesses (211) provided in the mounting groove (21) is adapted to the number of positioning protrusions (41). Multiple positioning protrusions (41) are correspondingly inserted and positioned into at least two positioning recesses (211).

5. The molded part according to claim 2, characterized in that, It also includes a threaded fastener (5), an assembly hole (42) is provided through the insert (4), and a threaded hole (22) is provided on the slider (2) that communicates with the assembly hole (42). The threaded fastener (5) passes through the assembly hole (42) and is threadedly connected to the threaded hole (22).

6. A shaped part according to any one of claims 2-5, characterized in that The slider (2) has a dirt-collecting groove (23) on the side near the sliding surface (11), and the dirt-collecting groove (23) is located on the surface and / or edge of the slider (2).

7. The shaped part of claim 1, wherein, The slider (2) is provided in multiple ways, and the multiple sliders (2) are arranged around the forming protrusion (3). The multiple sliders (2) are simultaneously spliced ​​with the forming protrusion (3) to form a cavity (6).

8. The shaped part of claim 7, wherein, The surface area of ​​the molding protrusion (3) away from the extension section (31) is provided with a molding groove (32). The slider (2) is provided with a mating surface (24) and a flow channel groove (25) connected to the mating surface (24) on the side facing the molding protrusion (3). Multiple mating surfaces (24) and molding grooves (32) are mated together to form a cavity (6). Multiple flow channel grooves (25) are spliced ​​together to form an injection channel connected to the cavity (6).

9. The shaped part of claim 8, wherein, A sprue pull rod (7) is embedded in the molding protrusion (3), and one end of the sprue pull rod (7) extends into the cavity (6) and is arranged opposite to the injection channel.

10. A mold characterized in that, Includes the molded parts as described in any one of claims 1-9.

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