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Mould thickness regulation mechanism for injection moulding machine

An injection molding machine and mold thickness adjustment technology, which is applied in the field of mold thickness adjustment mechanism, can solve the problems of time spent on liners, error accumulation, and inability to obtain mold clamping force, etc., and achieve the effect of simple structure

Inactive Publication Date: 2004-01-21
FANUC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, it takes time to prepare multiple liners with different thicknesses. In addition, overlapping multiple liners will cause errors to accumulate, and correct mold clamping force cannot be obtained.

Method used

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  • Mould thickness regulation mechanism for injection moulding machine
  • Mould thickness regulation mechanism for injection moulding machine
  • Mould thickness regulation mechanism for injection moulding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] figure 1 It is a schematic diagram of a mold thickness adjusting mechanism according to an embodiment of the present invention. and figure 2 Like components of the illustrated examples are marked with like symbols. figure 1 The mold thickness adjusting mechanism shown in this point is provided with a thrust device between the back plate 1 and the pull rod 4 and figure 2 Die thickness adjustment mechanism shown is different.

[0027] The background board 1 is connected with the fixed board 2 through a plurality of tie rods 4 . A movable platen 3 is freely slidably arranged on these pull rods 4 . A fixed-side die 5 a and a movable-side die 5 b are attached to the fixed platen 2 and the movable platen 3 , respectively. In addition, a toggle-type mold clamping mechanism (not shown) is provided between the back panel 1 and the movable platen 3 , and the movable platen 3 is moved forward and backward along the tie bars by the toggle-type mold clamping mechanism. So fa...

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PUM

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Abstract

A fixed platen (2) and a rear platen (1) of an injection molding machine are connected to each other via tie bars (4). A coil spring (7) is disposed between the tie bar (4) and the rear platen (1) such that the rear platen (1) is urged in a direction away from the fixed platen (2). A mold thickness adjusting member such as a nut (10) is also provided for causing the rear platen (1) to move along the tie bar (4) toward the fixed platen (2) against the resilience of the urging means (7), thereby to adjust the mold thickness provided by the fixed platen (2), a movable platen (3), and attached fixed and movable dies (5a, 5b).

Description

technical field [0001] The invention relates to a mold thickness adjustment mechanism of an injection molding machine with a toggle mold clamping mechanism. Background technique [0002] The toggle mold clamping mechanism of the injection molding machine connects the fixed platen with the back plate through multiple pull rods, and drives the movable platen that can slide freely relative to the pull rods through the toggle link mechanism, so that The fixed metal mold on the platen is matched with the movable metal mold installed on the movable platen. [0003] The toggle mold clamping mechanism is arranged between the back plate and the movable platen, and limits the moving range of the movable platen driven by the toggle mold clamping mechanism. In addition, the mold clamping ends of the metal molds respectively installed on the fixed platen and the movable platen are usually in the locked state where the toggle link of the toggle mold clamping device protrudes. The clampi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/64B29C45/17
CPCB29C45/1751
Inventor 吉冈光志
Owner FANUC LTD