INTERNAL LATCH LOCK Optional Guided Ejection and Return Sleeves Add Guided Ejection and Return Pin Functions to Internal Latch Lock Mechanism with the Optional Sleeve The optional Guided Ejection and Return Sleeves, although not required for the Internal Latch Lock, can add two functions to the mold base that are typically required in most molds. These optional sleeves can add guided ejection and ejector assembly return functions to the mold base. Additionally, these added functions fall within the space requirements of the plate latching mechanism. However, these optional sleeves do not create an early ejection return system that is occasionally required in some applications. • Sleeves can add guided ejection function to mold base along with plate latching mechanism • Sleeves can replace function of return pins in mold base for most applications using the plate latching mechanism • Sleeves fit around the center puller pin of the plate latching mechanism and are mounted in the ejector assembly, thus eliminating the need for additional mold space usually required for the guided ejection and return pin functions
L41 MIN Optional Guided Ejection and Return Sleeves are no longer available
U.S. Patent No. 5,494,435
L35
Cut off only on this end; refer to note 1 below
L39
L40
Ø D30 +1.6 +1
+0.02 +0
+0.02 +0
-0.01 -0.03
Ø D28
Ø D28
Ø D30
Ø D28
Ø D29
+0.9 +0.6
Ø D30
L36
L38
L37
OPTIONAL SLEEVES – GUIDED EJECTION AND RETURN SLEEVE DIMENSIONS
BASIC LATCH SIZE
INTERNAL LATCH LOCK ASSEMBLY ITEM NUMBER
L37 THICKNESS
L35 LENGTH D28 DIA D29 DIA D30 DIA L36 LENGTH
L38 LENGTH L39 LENGTH L40 LENGTH L41 MIN
COMPONENT ITEM NO
mm in mm in mm in mm in mm in mm in mm in mm in mm in mm in
DKL2101 90 3.543 24 .9449 30 1.181 16 .630 12 .472 5 .197 14 .55 40 1.57 30 1.18 12 .472
28mm DIA (Small)
DKL2811, DKL2812, DKL2821 & DKL2822
DKL2102 140 5.512
DKL3101 110 4.331 28 1.1024 35 1.378 19 .748 14 .551 6 .236 16 .63 50 1.97 35 1.38 15 .591
34mm DIA (Medium)
DKL3411, DKL3412, DKL3421 & DKL3422
DKL3102 160 6.299
DKL4101 140 5.512 38 1.4961 46 1.811 26 1.024 18 .709 8 .315 20 .79 70 2.76 40 1.57 20 .787
45mm DIA (Large)
DKL4511, DKL4512, DKL4521 & DKL4522
DKL4102 200 7.874
60mm DIA (Extra)
DKL6011, DKL6012, DKL6021 & DKL6022
OPTIONAL SLEEVES NOT OFFERED FOR THIS DIAMETER
NOTE: 1. C hoose the appropriate length sleeve so that it can be cut off to a length that will fully return the ejector assembly. See installation data. 2. T he center puller pins must support and guide the sleeves, as well as the ejector assembly. The pins must have sufficient bearing surface contact as specified by dimension “L41” minimum. 3. A dditional bearing surface contact for the center puller pins may require a thicker bottom clamping plate or the addition of another plate to the bottom of the mold for some applications. See installation data.
4. A minimum of four assemblies are typically recommended per mold. However, for larger molds, thick plates, or an application where loads are near maximum, additional assemblies and/or next largest size assemblies may be required. An application must never exceed the maximum recommended load values. A balanced load must be maintained to avoid cocking and binding which could cause severe overloading. Only one size latch lock assembly should be used in each mold base.
149
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