slotting and creasing heads in Slotting creasing machine

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slotting and creasing heads in Slotting creasing machine

 QQ截图20160301144152figure 3

The upper head 6, as best shown in Figure 2, comprises a body 12 having a hub portion 13 bored to receive the shaft ,8, which is non-rotatably supported on the shaft by a suitable key 14, indicated in Figure 1. The body 12 has a cylindrical portion ii providing a radial face 10 against which a pair of segmental knives 17 and 18 are secured by a suitable clamping ring or nut 16 which is received in threaded engagement with the hub ll of the body 12, and may be provided with sockets or recesses 19 for receiving a spanner wrench. whereby it may be readily manipulated to secure the knives 17 and 18 in position in the head 6, or release them therefrom. The knife 17 is preferably non-adjustably secured in the head, and is shown retained in fixed position therein by a suitable dowel 21.

The knife 18 is preferably mounted for circumferential adjustment with respect to the knife 17, whereby the spacing between the knives may be varied to suit the particular size of blanks to be operated upon. The cylindrical surface 15 of the head 12 and the similar cylindrical surface 22 of the clamping ring it are preferably of the same diameter and serve as die faces to press the blanks into creasing engagement with the creasing dies or members, subsequently to be described.

The lower head 7 comprises a part which will hereinafter be referred to as the die holder 23. The die holder has a hub 24 mounted on the shaft 9 and restrained against rotation thereon by a suitable key 25. A pair of annular creasing and cutting members 26 and 27 ,are mounted on the hub 24 of the die holder 23 and are spaced apart a predetermined distance by a suitable spacer 28,whose width determines the space between cutting faces of the knives 17 and 18 and therefore the width of the slot in the blank. In other words, by spacing apart the combined creasing and cutting members 26 and 27, as shown in Figure 3,an annular peripheral groove 29 is provided therebetween adapted to receive the cutting knives 17 and 18, as shown in Figure 2.
The combined creasing and cutting members 26 and 27 are secured in fixed position on the holder 23 by a suitable clamping ring or nut 31 received in threaded engagement with the hub 24 and having sockets 32 therein for receiving a suitable spanner wrench in a manner similar to the nut 16.

slotting heads in slotting and creasing machine

slotting heads in slotting and creasing machine

The peripheral surfaces 33 and 34 of the die holder and clamping ring or nut 31, respectively, serve as die faces and co-act with the corresponding surfaces 15 and 22 of the head 6 to engage as blank feeding members and support the blank as it passes between the heads 6 and 7, as will be clearly understood by reference to Figures 2 and 3.

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