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Inner wall groove molding die and process

A technology for forming molds and grooves, which is applied in the field of molds for forming inner wall grooves of pipes and forming technology for inner wall grooves, can solve the problems of cumbersome control and complicated operation, and achieve improved production efficiency, convenient operation, simple structure control and forming process Effect

Inactive Publication Date: 2011-09-14
ZHUJI BIHAN FINE MOLDING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention solves the defects of cumbersome control and complicated operation in the use of the existing inner wall groove forming mold for pipe fittings, and provides an inner wall groove forming mold with simple structure control and reliable operation

Method used

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  • Inner wall groove molding die and process
  • Inner wall groove molding die and process
  • Inner wall groove molding die and process

Examples

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Embodiment Construction

[0032] see Figure 2-9 , this embodiment includes a mold base 1, a slidable main slider 2 is provided on the mold base 1, a drawer slider 3 sliding in the first limiting groove 21 provided by the main slider 2, the main slider 2, The driving device of the slotted slider 3; the main slider 2 is provided with a positioning seat 22, a radially shrinkable inner wall groove core 4 arranged on the positioning seat 22, and a driving block 31 connected to the slotted slider 3; The inner wall groove core 4 includes a number of driven sliders 41 and a number of active sliders 42 matched with the driven sliders 41, the number of driven sliders 41 and the number of active sliders 42 are alternately arranged in a ring shape, and the driving block 31 drives the active slider. The slider 42 drives the driven slider 41 to shrink; the driving device drives the slotted slider to retreat to the rear end of the first limit groove 21, the driving block 31 drives the inner wall groove core 4 to com...

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PUM

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Abstract

The invention discloses inner wall groove molding die and process. The inner wall groove molding die comprises a die holder on which a slideable main slider, a groove extraction slider which slides in a first limit groove of the main slider, a driving device of the main slider and a driving device of the groove extraction slider are arranged; a positioning seat, an inner wall groove core which is arranged on the positioning seat and capable of radial shrinkage and a driving block which is connected to the groove extraction slider are arranged on the main slider; the inner wall groove core comprises a plurality of driven sliders and a plurality of driving sliders which are matched with the driven sliders; and the driving block drives the plurality of driving sliders to drive the driven sliders to shrink. In the invention, through the matching of the main slider and the groove extraction slider, the shrinkage and the core extraction of the inner wall groove core are controlled, the core extraction of an inward shrinkage port is synchronous with the die opening and the resetting is synchronous with the die closing so that the production efficiency is greatly improved and the die making cost. The inner wall groove molding die is simple in structure control and molding process and convenient for operation.

Description

technical field [0001] The invention relates to a mold for forming an inner wall groove of a pipe and a forming process for the inner wall groove. Background technique [0002] figure 1 Shown is the schematic diagram of the socket end of the polypropylene silent drainage pipe fitting. The sealing groove on the inner wall of the injection molding part must make the groove bottom core of the trapezoidal sealing ring reach the size below the diameter of the socket pipe fitting through splitting and shrinking. At present, the core demoulding structure of this kind of shrinking mold in the market uses an oil cylinder to pull the core, and the core is controlled separately by two oil cylinders. One oil cylinder is equipped with a travel switch to shrink the mouth before the mold is opened, and then the core is pulled after the mold is opened. , complex structure, cumbersome control, high mold cost, long molding process and low production efficiency. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/26B29C33/42
Inventor 李朝晖
Owner ZHUJI BIHAN FINE MOLDING