DE2056105C3 - Monitoring device for ejected products on production machines, in particular injection molding machines - Google Patents

Description

of the

from the sprue4 nvoneman ^ ^ ^ _r ^

The invention relates to a direct Überwachungsvorrich- lanes Since in tarn _gle e i _c hartige. getting for ejected products at production site 8, while the AnguL ^ « _{An den Rul} . machines, especially injection molding machines, at the S ^e ? ^ub !. ^rlie _o ^gen . ^ Corresponding features ^ one can be seen through an ejected product 8 9 are e.nan £ _{B w} ,

Vibrations excited plate with an electrical for the sake of simplicity with the same g

Signals generating piezo element is connected. ^? ^β £ _{Ι115 (:} ηβη 8 9 are with opposing verses a-

It's at a surveillance device for a. _n ^D ^ _n ^R ^ .SJ ₁ '* _{converging to one} another r. ". Production machine (French patent specification th, _provided in FaI.Tichtung zue. Environmentally _G

1353 644) known that on a baffle plate a piezo-ordered ^p « ^c ; j ⁿ _{bi '13 are} to be provided on each side of the element, which by an ejected rn.elast.sehe _{band a} product electrical signal for a machine pulls ™ π. .Rand rn b ^

fire generated. This monitoring device ^ 'f ^^ f' ^, independent of one another, is suitable for products that weigh more than 10 ρ due to the simply designed baffle plate. 35 ^sc ^ '"i J / fd _es T _r " chters5 is a dachkantfiumi-

In the case of lighter products, especially in the case of a ^sub " ^ha ! ^B _p J '^ g 9 protruding Abwc-s-

Product weighing 0.1 p. are the measures over which slides β, ν η

took to the elimination of interference so ER- some 18 ^ ° ™ j ^net _{carrying sheet} 17 on Maschincnheblich that the use of this monitoring, "- to support" ^ I ^ ^ ^ _serve.

device no longer appears economical. 4 ° frame 1 * or 3 _{b ahl} . _Element duck) 20, 21.

In addition, this monitoring device for vibrations is all (Gu f ^m '; ^Sta ^ f ¹ J ^ ™ £ _{F \ _{3J! Sl} when ejecting from production ».. aschine zum An den Unterse ^^^^ _G ⁸ _e J _use

Products with a tendency to sail are less leveled as each «n Puaocte" «» »« sscrews 24 'can not be ruled out that the product "^. ^de ' ^R J ^^ J ™ _{front face} " _d? r Piezoel does not touch the baffle plate at all. 45 ^{Klem mt} _t; J ^ ^e "L3P lines 22 'are arranged.

The object of the invention is therefore to provide a sensi- mentc , 1 are ^elcklns ^ ^, ₃ ^B _or the sprue 4 lighter ⁸ and at the same time more cost-effective monitoring The ^^^^^^^ J ^ L

To create a device on production machines, ^ "^ ^ ^ Sf ⁵ , SSthe impact on which the slide 8 9 emits a signal even with products of 0.1 ρ em. uu γ

According to the invention, this is achieved by ₅ o Je «b ™. on the PrenWecheJ4 w

ordered chute equipped with prel.l- ₅₅ ', ^^! ÄSg ^ Sllt

dS monitoring device according to the invention With proper-r 'A ₌ rf ^{de s finished product.ls3}

you guarantee that the rubber-elastic bands and the sprue 4 take place on chi eßend at the Aus ielagered, provided with baffle plates, that thrown over «ne evaluation * °" ^ ™ ⁸ _αβ 7 _S J; Äi ei ejected, also prone to sailing pro - 60 signal to the machine control of the

^6s

structure-borne noise generated by the product is the ttezo display ucumgi, un- w «™, ~~ _o -r--

element draws attention to the disruption with the slide from the least possible side.

1 sheet of drawings

Claims (1)

Claim: "hÄ ^ * ^^ Mass with relatively high hardness existing slide Monitoring device for ejected standing on hand Products on production machines, especially 5 zesgt ^ view of an injection molding machine mn more complete injection molding machines in which a rrichtung by a 1 × Ig ■ e ° _hungSVO, the ejected product ^to oscillate | ^ebau ' ^er _H ^ ^b J ^ _acn ungs device according to Fig. 1 excited plate with an electrical signals er ^ ^{1 g} ; 4 ^ ter oersoektivischer view and generating Piezoeleroent is connected, da- invergrouener, F f of _{a P} i _ezoe iementes an characterized by that those with the io ^F '«·; ^{m D} , * _{b caution} device according to Piezo element (22) connected as one in the bottom of the ^¥ ψ ^ζ ' mounted on elastic bands (10 to 13). . ■ two-part open injection molding and with staggered, in l' 8- 'ejection position to each other Direction of fall of the ejected product (3, 4) form 1, 2 . e: in m converging baffle plates (14 to x ₅ casting machine may «« "· _{from each other}