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Self-locking mechanism and mold

A self-locking and shovel technology, applied in the field of injection molds, can solve the problems of sliding back, burrs, poor product dimensional accuracy, etc.

Pending Publication Date: 2021-06-04
东莞市欧若拉精密塑料制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this application is to provide a self-locking mechanism and a mold, which solves to a certain extent the problems in the prior art that the slider retreats due to the injection pressure after the oil cylinder is released, resulting in poor dimensional accuracy of the product, burrs and flashes, etc. problem technical problem

Method used

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  • Self-locking mechanism and mold

Examples

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Embodiment 1

[0042] see Figure 1 to Figure 4 As shown, the embodiment of the present application provides a self-locking mechanism, including: a shovel 2 and a slider 1;

[0043] Wherein, the slider 1 is slidingly connected with the shovel 2;

[0044] The shovel 2 is formed with a first locking part, and the slider 1 forms a second locking part. When the slider 1 is clamped in place, the first locking part of the slider 1 snaps into the second locking part of the shovel 2. part to prevent slider 1 from going backwards.

[0045] Note that the moving direction of the slider 1 is the first direction, and the moving direction of the shovel 2 is the second direction.

[0046] The self-locking mechanism can be especially applied in injection molds, of course, it is not limited thereto, and can also be applied in other molds, and the following will specifically use the application of the self-locking mechanism in injection molds for illustration.

[0047] When the mold is injected, when the o...

Embodiment 2

[0076] Embodiments of the present application also provide a mold, including the self-locking mechanism described in any one of the above-mentioned embodiments, thus having all the beneficial technical effects of the self-locking mechanism, which will not be repeated here.

[0077] In this embodiment, preferably, the mold also includes a core and a template; wherein, the end of the slider of the self-locking mechanism away from the shovel is connected to the core, and the driving cylinder of the self-locking mechanism is fixed on the template, automatically The pressing member of the lock mechanism is fixed on the formwork by fasteners such as screws or bolts, which play a role in limiting the position of the slider along the second direction, preventing its displacement along the second direction, so that the slider can only Driven by an external force, it advances or retreats along the first direction. (not shown in the figure)

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Abstract

The invention relates to the technical field of injection molds, in particular to a self-locking mechanism and a mold. The self-locking mechanism comprises a shoveling machine and a sliding block, wherein the sliding block is connected to the shoveling machine in a sliding manner, a first locking part is formed on the shoveling machine, a second locking part is formed on the sliding block, and after the sliding block is subjected to die assembly in place, the first locking part of the sliding block is connected to the second locking part of the shoveling machine in a clamped mode so as to prevent the sliding block from retreating. When the self-locking mechanism provided by the invention is applied to mold injection molding, after the sliding block is subjected to the die assembly in place, the first locking part of the sliding block is connected to the second locking part of the shoveling machine in a clamped mode, so that the sliding block is prevented from retreating, the precision of an injection molding product is favorably ensured, and the problems of burrs, flash and the like can be effectively avoided.

Description

technical field [0001] The present application relates to the technical field of injection molds, in particular to a self-locking mechanism and a mold. Background technique [0002] At present, the core-pulling structure of the oil cylinder generally includes a shovel, a slider, and an oil cylinder. The slider is slidably connected to the shovel, and the oil cylinder drives the slider to move through the shovel. In the prior art, the slider retreats due to the injection pressure after the cylinder is released. Problems, resulting in poor product dimensional accuracy, burrs, flash and other problems. Contents of the invention [0003] The purpose of this application is to provide a self-locking mechanism and a mold, which solves to a certain extent the problems in the prior art that the slider retreats due to the injection pressure after the oil cylinder is released, resulting in poor dimensional accuracy of the product, burrs and flashes, etc. technical issues of the prob...

Claims

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Application Information

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IPC IPC(8): B29C45/67
CPCB29C45/67
Inventor 施旭东张伟
Owner 东莞市欧若拉精密塑料制品有限公司
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