Side core-pulling mechanism, injection mold and core-pulling method of injection mold
An injection mold and side core-pulling technology, which is applied in the field of side core-pulling mechanisms, can solve the problems of poor working reliability, complex structure of the side core-pulling mechanism, and high mold cost, so as to improve work reliability, simplify the structure of injection molds, and reduce mold costs. cost effect
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Embodiment 1
[0060] This embodiment provides a side core pulling mechanism, such as figure 2 As shown, it includes a first slide block 1 with a first core 2, a bent tie rod 3, a second core 4 and a transmission mechanism. in,
[0061] The first slider 1 is suitable to be arranged on the horizontal direction X side of the end of the plastic part 9 to be core-pulled, the first slider 1 can slide left and right along the horizontal direction X, and the first core 2 is fixed on The first slider 1 extends toward the horizontal direction X, and the first core 2 is used for pulling the end of the plastic part 9 to be core-pulled along a horizontal square side, and the plastic part can be made 9 It is necessary to form a hole or a groove at the end of the core-pulling. The first slider 1 is formed with a first oblique guide hole 11 suitable for matching with the bending rod 3, and the first oblique guide hole 11 runs through the first The top and bottom of the slider 1 and the first oblique gui...
Embodiment 2
[0079] Such as Figure 8-13 As shown, this embodiment provides an injection mold, including a fixed mold 7, a movable mold 8, and a side core-pulling mechanism assembled in the cavity formed by the fixed mold 7 and the movable mold 8, and the injection mold is opened The mold clamping direction is set along the up and down movement direction of the movable mold 8, and the side core pulling mechanism includes
[0080] The curved tie rod 3 installed on the fixed mold 7, the curved tie rod 3 includes a straight rod part 31 and a bottom end connected to the straight rod part 31 at one end, and a diagonal rod part 32 with the other end inclined toward the left and right direction;
[0081] The first slider 1 which is installed on the movable mold 8 and can slide left and right along the horizontal direction X, one side of the first slider 1 is provided with an extension towards the horizontal direction X, which is used to align the horizontal direction of the end of the plastic par...
Embodiment 3
[0094] This embodiment provides a side core-pulling method for an injection mold, including
[0095] Such as Figure 8 and Figure 9 As shown, when the movable mold 8 moves upwards to close the mold, the first oblique guide hole 11 of the first slider 1 is inserted into the oblique rod part 32 of the curved tie rod 3, and by means of the mold clamping force of the movable mold 8, the oblique rod part 32 drives the first slider 1 to slide toward the end of the plastic part 9 along the horizontal direction X, and when the oblique rod part 32 completely passes through the first oblique guide hole 11 of the first slider 1, the first The slider 1 stops sliding along the horizontal direction X, and the first core 2 on the first slider 1 moves to the side core pulling position;
[0096] Such as Figure 10 and Figure 11 As shown, the movable mold 8 continues to move upwards to close the mold, the transmission mechanism installed on the movable mold 8 and located below the first s...
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Abstract
Description
Claims
Application Information
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