DE19700185B4 - Coil for receiving wound strand material - Google Patents

Abstract

Kitchen sink for receiving wound strand material with a rotationally symmetric Coil core, at its two ends with a radially projecting Flange is provided and divided in a radial plane, wherein the core parts are hollow, extending from the flange discs truncated cone rejuvenate to divisional level and solvable connected to each other, wherein the facing the division plane End sides of the core parts each matching connecting means have and the connecting means of locking arms and recesses consisting of a rotatable between two connected core parts Bayonet closure form, characterized in that the Parting plane facing end side of the core parts (3, 15) as an annular end face (4) is formed, at or in the end face (4) at least two locking arms (5) and the same number of recesses (6) are provided, the recesses passages (16) for the locking arm (5) of the engageable core part (3, 15) and of these passages (16) outgoing rear handles (21) and draft angles (17) and the latching recesses (6) have a circular arc surface (19) having a circular arc surface ...

Description

The The invention relates to a coil for receiving wound strand material with a rotationally symmetrical coil core, at its two ends provided with a radially projecting flange and in one Radial plane is divided, wherein the core parts are hollow, tapering from the flange frusto-conical to the dividing plane and solvable connected to each other, wherein the dividing plane facing end faces the core parts each matching connecting means have and the connecting means consist of locking arms and recesses, between two connected core parts a rotatable bayonet lock form.

A coil of the generic type is from the DE 42 02 218 A1 known.

These Scripture shows a spool made of two interconnectable coil halves consists. The bobbins are frustoconical, what the stackability the coil halves guaranteed.

Of the conical bobbins runs tubular and consists only in the connection plane with the second bobbin out of the thin one Tube wall, which is extremely unstable in terms of dimensional stability the coil during operation affects.

By The beginning of the winding material is the coil in the connection area deformed punctually by the following windings of the winding material, what the connection of the coil halves adversely affect. By this punctual deformation Individual locking connections are overstressed.

The characterized by slight undercut sliding connections can partially except Engage or break out of the thin tubular coil wall by the load occurring.

The known coils are for the rough workshop and transport operation disadvantageous. Because such Coils are also used directly in the processing area of the winding material There is a risk that the coil halves in operation through the low form-fitting automatically to solve.

Also the shear strength of the coil halves to each other is due to low form-fitting coverage the paired groove and Stegraster not given. It are practically only four punctiform Compounds arranged on the circumference, whereas the vast extent between the snap-in connections is formed by the labile thin tube wall.

Of the Invention is the object of a coil of the above mentioned type to make the coil parts so that each coil part a kit with every other coil part of the kit to a robust coils can be connected.

These Task is inventively characterized solved, that the partition plane facing end side of the core parts as annular Formed end face is, on or in the face at least two locking arms and the same number of recesses are provided, the recesses passages for the locking arm the detachable core part and of these passage openings have outgoing rear handles and Anzugsschrägen and the recesses a circular arc surface have, with a circular arc surface of the locking arm in the coupled position of the core parts cooperates.

By the inventive design the connecting means of the coil parts can be the same coil parts a robust and highly resilient coil interconnected become.

Further Features of the invention will become apparent from the dependent claims.

One embodiment a kit of coil parts with core parts of different axial length is shown in the drawings and will be described below.

It demonstrate:

1 a coil part with a frustum-shaped core part with a small axial length,

2 a second coil part with a larger axial length,

3 on an enlarged scale a view in the direction of arrow III in 1 and in 2 .

4 . 5 and 6 Embodiments of coils which are composed of two coil parts differing in axial length,

7 the stacking of two coil parts with a small axial length and

8th the stacking of two coil parts with a larger axial length.

The 1 shows a coil part 1 that is a flange washer 2 has, which is provided on its side facing away from the coil core with ribs. Integral with the flange is a frustum-shaped core part 3 , This core part 3 indicates the flange plate 2 facing away from an annular end face 4 on, on the locking arm 5 and bayonet-like recesses 6 are provided.

From the inner diameter C of the annular surface 4 extends a cylindrical ring 7 with a small axial length in the interior of the core part 3 , Between the ring 7 and the inner wall of the core part 3 are ribs 8th intended.

In the area of each locking arm 5 between the axial ring 7 and the inner wall of the conical core part 3 are by radially extending ribs limited receiving spaces for locking arm 5 the adjacent coil portion provided in a stack of intermeshing coil parts. Such stacks are in the 7 and 8th demonstrated.

So that this stacking in the 7 and 8th is shown, the outer diameter A of the annular end face 4 slightly smaller than the inner diameter B in the support plane 9 passing through the free edge of the ribs 8th is formed near the conical core wall. The 7 and 8th show that both in the stacking of the coil parts 1 as well as in the stacking of the coil parts 10 after 2 by nesting these coil parts the task on the ribs 8th he follows.

For stiffening the flange washers 2 are the outer and the inner contour forming annular walls 11 . 12 intended. Between these annular walls 11 . 12 are radially extending, uniformly distributed over the circumference ribs 13 intended. These ribs 13 slightly overshoot the annular walls in height 11 . 12 , where the outer edge of the walls 11 . 12 remains free and can serve as a stacking surface of the coils, provided that the coils are stacked in each case in the region of two flanges.

The annular wall 12 also serves to center a lid 14 which is used to adapt the overall bobbin on a unwinding device.

The 2 shows a coil part 10 , its core part 15 opposite the core part 3 after 1 is extended in the axial direction. All other embodiments are the same as those of the coil part 1 match. This applies in particular to the annular end face 4 , for the training of the locking arm 5 and for the arrangement and design of the recesses 6 , The diameters A and B are those of the execution of the 1 identical.

The 3 shows a view in the direction of arrow III after the 1 , From this illustration it can be seen that the locking arm 5 and the recesses 6 evenly on the circumference of the annular end face 4 are arranged distributed.

The recesses 6 have a passage openings 16 for the locking arms 5 of the coil part to be coupled on. After inserting the boom 5 in the passages 16 of the second coil part, the first coil part is rotated clockwise, so that the locking arm 5 over a suit slope 17 in a positive final position 18 to be moved.

The suit slope 17 acts on the one hand centering, since the circular arc surface 19 the recess 16 with the circular arc surface 20 of the locking arm 5 interacts.

The backgrip 21 for the locking arm 5 is also provided with a tightening slope, which is a contraction of the faces 4 causes the two coil parts.

In the conical surface of the core parts are distributed on the circumference breakthroughs 22 arranged, which serve to introduce the beginning of the goods to be wound, thereby fixing the winding material.

The 4 to 6 show different possible combinations of coil parts 1 and 10 ,

The 4 to 6 prove that it already by means of two coil parts 1 and 10 possible to create three different coils.

By between the 4 and 5 marked escape lines 23 illustrates that the filled coils can be fixed in the region of the flange in the stacking means of the ribs.

The 7 and 8th show the possibility of the coil parts 1 and 10 or to stack each additional coil part space-saving for the return transport for refilling.

Since the taper of the core parts of the individual coil parts is identical, a stackability of already stacked bobbins is also possible. Only when stacking the coil parts 10 on the coil part 1 results in a greater distance between the flange discs. When stacking the coil parts 1 on the coil part 10 The Flans are directly on each other.

1

coil part

2

flange

3

core part

4

face

5

Rest boom

6

recess

7

ring

8th

rib

9

support plane

10

coil part

11

wall

12

wall

13

rib

14

cover

15

core part

16

recess

17

tightening incline

18

end position

19

Circular arc surface

20

Circular arc surface

21

rear grip

22

breakthrough

Claims (9)

Coil for receiving wound strand material with a rotationally symmetrical coil core, which is provided at both ends with a radially projecting flange and divided in a radial plane, wherein the core parts are hollow, taper frustoconically from the flange to divisional plane and are detachably connected to each other, wherein the dividing plane facing end faces of the core parts each have matching connecting means and the connecting means consist of latching arms and latching recesses which form a rotatable bayonet lock between two connected core parts, characterized in that the dividing plane facing end face of the core parts ( 3 . 15 ) as an annular end face ( 4 ) is formed on or in the end face ( 4 ) at least two locking arms ( 5 ) and the same number of recesses ( 6 ) are provided, the latching recesses passages ( 16 ) for the locking arms ( 5 ) of the detachable core part ( 3 . 15 ) and of these passage openings ( 16 ) outgoing attacks ( 21 ) and draft angles ( 17 ) and the recesses ( 6 ) a circular arc surface ( 19 ) having a circular arc surface ( 20 ) of the latching arm ( 5 ) in the coupled position of the core parts ( 3 . 15 ) cooperates. Coil according to claim 1, characterized in that the rear grip ( 21 ) for the locking arm ( 5 ) is provided with a suit bevel. Coil according to claim 1 or 2, characterized in that the locking arm ( 5 ) and the recesses ( 6 ) evenly on the circumference of the end face ( 4 ) are distributed. Coil according to one of claims 1 to 3, characterized in that of the inner diameter C of the annular end face ( 4 ) a cylindrical ring ( 7 ) of small axial length in the interior of the core part ( 3 . 15 ) and between the ring ( 7 ) and the inner wall of the conical core part ribs ( 8th ) are provided. Coil according to claim 4, characterized in that in the region of each latching arm ( 5 ) between the axial ring ( 7 ) and the inner wall of the conical core part ( 3 . 15 ) by radially extending ribs limited receiving spaces for locking arm ( 5 ) of the adjacent coil part ( 1 . 10 ) are provided in a stack intermeshing coil parts. Coil according to claim 5, characterized in that the outer diameter A of the end face ( 4 ) is a little smaller than the inner diameter B of the spool core part ( 3 . 15 ) in the plane ( 9 ) of the free edges of the ribs ( 8th ) and the free rib edge adjacent to the conical core wall rest the support of a coil part which has been inverted for stacking (US Pat. 1 . 10 ). Coil according to one of the preceding claims, characterized in that the flange discs ( 2 ) the outer and the inner contour forming annular walls ( 11 . 12 ) between which radially extending ribs ( 13 ) are provided, whose overall height is a little larger than that of the annular walls. Coil according to one of the preceding claims, characterized in that in the conical outer surface of the core part ( 3 . 15 ) at least one breakthrough ( 22 ) is provided for fixing the winding material. Coil according to one of the preceding claims, characterized in that it consists of two coil parts which are different in axial length ( 1 . 10 ) and the end faces ( 4 ) of the core parts ( 3 . 15 ) have the same outer diameter A.