EP1284916B1 - Device for drawing off and cutting a tape from a supply roll - Google Patents

Description

The above invention relates to a device for Pulling and cutting a tape from a supply roll. It is known in the art that adhesive tapes usually on a tubular core be wound up so as to create a roll of tape, which receives a predetermined amount of adhesive tape.

Tapes that are offered in the form of a roll can e.g. without the help of a special rolling or Cutting device are removed from the tape roll.

This procedure prevents a quick and clean Handling during a striping operation of the tape.

They are also from the state of the art Receiving devices have become known, which is a tape roll store and create the opportunity to strip the tape and also to separate quickly and cleanly.

These devices, especially when used for Extracting and cutting wider bands, are heavy, take larger dimensions and point often a considerable technical structure.

There are also devices for pulling and cutting of Tapes have become known as stationary facilities are formed and handling tape rolls with serve larger diameter.

From the prior art are also smaller Cutting devices have become known, the z. B. off Plastic are made.

These facilities have the disadvantage that they are the Do not pick up the tape roll safely and practically. That's the way it is in these known devices during Abziehoder This tape is especially important in this chapter Carefully perform actions.

Furthermore, precautions must be taken to avoid them That is, the free end of the tape coming from the Scope of the roll protrudes, on the roll circumference to the support can come and stick to the circumference of the roll.

From DE 26 26 687 A is a dispenser for a roll of tape with a wound on an open annular core Adhesive tape with a Kemteil known which in the None of Tape roll can be used and on the the core is rotatably supported, with a cover on the Outside of the roll of tape, with one in the cover provided guide slot for the tape to be unrolled and with a separator provided on the cover for separating a rolled strip piece from the remaining tape on the roll of tape.

The core part is crescent-shaped and has a first peripheral area, which fits the shape of the Inner wall of the core of the roll of tape is matched, as well a second peripheral portion formed as a grip portion is.

The cover has a cover plate, the underside partly to the outer circumference of the unwinding tape roll is matched, also opposite each other Sidewalls which the roll of tape to be unrolled laterally partially cover.

The cover plate and the side walls form one another tapered approach to which the separator provided is.

The core part is hinged to the side walls of the cover connected.

The guide slot is limited by tape guides in the Area of the approach substantially parallel to the bottom the cover plate and at a small distance from the same run.

The distance between the sides facing each other Tape guides is less than the width of the unrolling Band.

It is an object of the present invention, the disadvantages of the prior art to avoid and a device for removing and cutting a section of a To allow adhesive tape, the peel and the Cutting process can be carried out quickly and cleanly, regardless of the diameter of the roll of tape, and further the Possibility is created, the location of the Cutting edge against the changing scope of the role sure to set.

Furthermore, it should be ensured that the of the Roll protruding end of the tape, after separating one desired band section not on the circumference of the roll for Plant comes to stick there.

This object is achieved with a device for removing and cutting an adhesive tape from one Supply roll solved by a tubular Core of the role rotatable a bearing and guide bracket receives, from an elastically deformable elbow piece is formed and the arcuate bracket at its free End transversely arranged pins receives, which are pivotable store two arms parallel to each other extend along the lateral surfaces of the roller, wherein the free end of the mutually parallel arms connected by a cross rib and by the Plane of the transverse rib a cutting blade protrudes and arranged on the front side of the parallel Arms aligned in striping direction of the band Holding wings are provided, on which the free end of the Bandes rests.

In accordance with the transverse pin, each arm widens disc-shaped and points along a portion of its circumference on a toothing, which barb-like interacts with teeth that are provided at the end of the recording bracket.

With a stripping device having these features, is a device created by the technical Point of view is simply formed, it is with the new device possible, automatically and continuously to the changing diameter of the Adjust tape roll.

Advantageously, the device for stripping and Cutting the tape from a roll with one Equipped with a pick-up bracket with lateral ribs, which are the lateral surfaces of the tubular Kerns and thus form leadership institutions.

The inventive toothing, the barb-like with teeth in operative connection occurs on the Are provided at the end of the mounting bracket, opens up the possibility of being arranged in parallel Arms in one direction, opposite to that Clockwise, to block, but at the same time one To allow movement in the clockwise direction, to constantly adapt to the decreasing To allow diameter of the roll of tape.

The device has a simple structure and can be a pick up any roll of tape.

In a particularly advantageous manner, the components are located on the changing volume of the tape roll, causing the Possibility is created, quickly and safely remove the required section from the adhesive tape and separate.

Furthermore, it is advantageously avoided that the free and sticky tape towards the Roll scope can spring back; this will avoid that the band is undesirably on the circumference of the Tape roll comes to the plant and rests there.

The device according to the invention will now be more accurate described and illustrated in the accompanying drawings. Figure 1 shows a perspective view of the role of a Adhesive tape together with the device according to the invention. Figure 2 shows in view of a roll of tape with a larger Diameter (D) together with a peel and Cutting device, partially shown in section is.

Figure 3 shows in view the tape roll with a smaller Diameter (d) with a peeling and cutting device, which is partially shown in section.

Figure 4 shows the roll of tape together with the peel and Cutting device in front view.

As can be seen from FIG. 1, there is the total amount with 1 marked roll of tape from a wound Adhesive tape 2 wound on a tubular core 3 is.

The roller 1 has a diameter (D) in the origin. During the removal of the tape decreases the Diameter (d) until exhaustion of the tape 2.

The tubular core 3 receives a bearing bracket 4, the arcuate is formed and in an advantageous manner Plastic exists and is elastically deformable.

The bearing bracket 4 has laterally projecting ribs 5, which the tubular core 3 and the Grip band roll 1 laterally.

The ribs 5 serve as guide elements during the Rotational movement of the roll of tape 1. This rotation takes place during the peeling operation of the adhesive tape 2.

At the free end of the retaining bracket 4, that of the track with the the lateral guide ribs is opposite, takes the Retaining clip 4 has a transverse pin 6 on both sides, this supports pivoting arms 7, which are parallel to the Pages of the roll of tape 1 are arranged.

The free ends 8 of the parallel arms 7 are connected to each other via a plate or transverse ribs 9.

Perpendicular to the plate 9 stands from this one blade 10, which is provided with a cutting edge 11.

The ends 8 of the arms 7 have at the bottom - in Departure direction of the tape 2 seen - under the plate. 9 small protruding wings 12, which are directed against each other are. On the wings 12 is the front piece of tape 2, which protrudes from the circumference of the roll of tape 1 on.

In accordance with the transverse pins 6 each arm 7 widens and goes into one disk-shaped body 13 over.

The disk-shaped body 13 points along a Part of its circumference a toothing 14, with the corresponding holding tooth 15 in operative connection occurs, the holding tooth 15 is at each free end of the elastically deformable bracket 4 is provided.

In Figure 2, the tape roll 1, consisting of a wound tape 2, to be seen in side view. The upper portion 8 of the arm 7 is shown in section. The roller 1 has according to Figure 2 has a larger diameter (D) on.

The figure 2 can also be seen that at the free End 8, the arms 7 via a rib 9 with each other are connected. The rib 9 crosses the bridge Circumference C of the roll 1.

From the rib 9 is a blade 10 from which at her Top has a cutting edge 11, which is for separating a portion 2 'of the band of desired length serves.

From Figure 2 it can be seen that the barb-like trained teeth 15, on both sides of the elastic deformable stirrups 4 are provided with the toothing 14 of the arms 7 work together.

At the front and under the transverse rib 9 each arm has 7 wing-like projections 12 which confront each other and to form conditions or Guiding means for the band 2 serve.

The teeth 15 can with the corresponding teeth 14 in Connection, whereby a locking device for the Arms 7 is created, which pivot against the Pins 6 allows.

In Figure 3, the role of the belt 2 is smaller Diameter (d) shown.

The figure 4, the device 1 in front view according to Arrow IV of Figure 1 are taken.

To remove the tape 2 from the roll 1 is the Entity, consisting of elastic strap 4, tubular trained core 3 and 2 in the hand of the user held. By pulling the tape leads the tubular Part 3 a rotation relative to the bracket 4 through.

Thanks to the Providence of the side of the bracket 4 protruding Ribs 5, the tubular core 3 has the Possibility of a guided and unimpeded rotational movement perform.

By providence of gearing 14 and 15 becomes the advantage achieved that the rear edge 12 of the rib 9 always is aligned across the back of the roll, thereby becomes ensures that the cutting edge 11 always with constant Distance from the circumference 10 of the roll of the belt 1 is arranged.

Thanks to the provision of a toothing 14, which along the Scope of each disc 13 is provided, the Advantage achieved that the role formed by the band 1 free movable in an anticlockwise direction, i.e. in the direction of the removal process of the tape 2. By the teeth 14 and 15 will move the roller 1 in the Clockwise avoided.

While performing a cutting operation of a Band section 2 'is at any diameter (D, d) of the roll 1 ensures that the back arranged edges 12 with blocking effect on the circumference C rest against the reel, making it more precise, faster and safer separation of the band piece 2 'allows becomes.

Claims (3)

1. Device for drawing off and cutting a tape (2) from a supply roll (1), the tape (2) being wound onto a tubular core piece, the tubular core piece (3) of the tape roll (1) rotatably accommodating a holding and guiding bracket (4) which is formed from an elastically deformable curved piece, and, at its free end, the curved bracket (4) accommodates pins (6) which are arranged transversely and pivotably mount two arms (7) which are arranged parallel to each other, extend along the side surfaces of the roll (1) and which are connected to each other at free ends (8) of the arms (7) arranged parallel to each other by a transverse rib (9), and a cutting blade (10) projecting from the plane of the transverse rib (9), and holding wings (12) which are aligned in the draw-off direction of the tape (2) and on which the free end of the tape (2) rests being arranged at the front side of the parallel arms (7), characterized in that, coinciding with the transverse pins, each arm (7) has a disc-like widening (13), and the disc-like widening (13) has toothing (14) along part of the circumference, said toothing coming into an operative connection with teeth (15) which are arranged at the end of the holding and guiding bracket (4).
2. Device, for drawing off and cutting a tape from a tape roll, according to Patent Claim 1, characterized in that the holding and guiding bracket (4) has ribs (5) which are arranged laterally and which engage around part of the side surfaces of the roll (1) formed by a tubular core (3) and the tape (2).
3. Device for drawing off and cutting a tape from a roll according to Patent Claim 1, characterized in that the toothing (14) and the teeth (15) are designed in such a way that free rotational movement of the tape roll (1) in the counterclockwise direction is possible, while in the clockwise direction, the movement of the roll (1) is blocked.

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