SU1646971A1 - Reel for winding tape - Google Patents

Abstract

The invention relates to radio electronics, in particular, to means of automatic surface mounting of radioelements (OM) on printed circuit boards (PP), and can be used in cases when it is necessary to quickly remove adhesive tape from a reel that is wound on it. when recharging automatics of surface mounting of RE on PP and simplifying the design of the coil. In a coil containing a core with two walls, one of which is removable, inserts installed in the longitudinal grooves of the core and protruding above the surface of the core, the grooves of the core are made open at the end of the core from the side of the detachable wall with a cross-sectional profile overall size placed in Laz liner. The liner cross-section profile repeats the groove cross-section profile, and each liner is mounted for reciprocating along its groove with the wall removed. As a result, the reel of the cover tape with a ligate inner surface on the liners, as on the guides, is pushed out of the core, which is impossible for coils with a different design of the core and the liners (the reel moves relatively to the liners). The bob v / n can be stuck on the coil. The insertion of the inserts from the f reel removed from the coil is performed in turn, and access to the inserts is free. with 2 z. p. f-ly, 5 ill. i

Description

The invention relates to radio electronics, in particular to means of automatic surface mounting of radioelements on printed circuit boards, and can be applied in cases when it is necessary to quickly remove adhesive tape with adhesive residues onto it from a reel.

The aim of the invention is to increase productivity and usability when winding adhesive tape.

Figure 1 shows the proposed bobbin; FIG. 2 is the same side view; FIG. 3 is a section A-A in FIG. one; FIG. 4 shows a reel of a cover tape removed from a reel along with

liners; figure 5 - coil with cylindrical liners.

The coil for winding the tape contains a core 1 with longitudinal grooves 2 equally spaced along the side surface of the core, a wall 3, a removable wall 4, inserts 5, which are installed in the slots 2 and one of their side surfaces b protrude above the side surface 7 of the core 1, a clamp 8 fixed on the end face of the core 1 in the figured hole 9, made in the removable wall 4. The hole 9 has a local opening 10, against which the head 11 of the clamp 8 and the section

about

Os Oh x |

12, which is larger in size head 11,

The cross-sectional shape of the liner is selected taking into account the smallest contact of the outer surface of the liners with the inner surface of the reels, their secure attachment to the core and easy detachment from the inner surface of the reel of adhesive tape.

The coil works as follows.

The covering tape is wound on the liners 5, without touching the side surface of the core 1. Walls 3 and 4 serve as side guides to evenly wind the tape. After the coil is filled with tape, the removable wall 4 rotates, the protrusion 10 leaves the retainer 8, section 12 is under the head 11 and the removable wall 4 is removed from the core 1. The reel of the cover tape together with the liners 5 is removed from the core 1. The liners 5 are separated from the removed reel (Fig. 4) by pressing into their end. The separated liners 5 and the removable wall 4 are installed in their original place in the coil. The coil is ready for winding a new portion of the cover tape,

A reel of a cover tape with a sticky inner surface on the liners, as on guides, is pushed out of the core, which is impossible for coils with a different design of the core and liners (the reel moves relative to the liners) and due to the presence of a sticky layer, the reel may be stuck on the reel. The insertion of the inserts from the reel removed from the coil is performed alternately, since access to the inserts is free. Shape 6 7

12

FIG. one

The liner cross section allows easy separation of the coils from the wound reel due to the small area of contact between the liners and the reel and convenient shape to be applied by lightly pressing on their end.

Claims (3)

1. A coil for winding a tape containing flanges, one of which is made a removable cylindrical core with longitudinal through grooves, the cross-sectional profile of each of which is made according to the shape of a truncated geometric figure, and liners installed in the core grooves, the cross-sectional profile of each of which is made according to the corresponding geometric shape of the groove cross-section profile, characterized in that , in order to increase productivity and usability when winding adhesive tape, the distance between the walls of the groove in the plane of the cross section of its transverse profile is less than at least one of the distances between the walls of the liner at the intersection of its cross section, which enters the groove, straight, parallel to the plane of the groove section, and more than the specified distances, when crossing parallel straight lines to the transverse profile of the liner on the other side of the groove plane. 2. The coil according to claim 1, wherein the transverse profile of the liner is trapezoidal. 3. The coil according to claim 1, about tl and h and you and sch the fact that the transverse profile of the liner has the shape of a circle. 21Z 2 Fig.Z Fy FIG. five