CN208667578U - Cap band structure - Google Patents

Abstract

The utility model provides a kind of cap band structure, it can provide two kinds of drawing modes, to seal a carrying belt, including a base, one glue-line and two groovings, wherein, the glue-line is coated on the base lower surface, for bonding the base and the carrying belt and forming corresponding peel strength, two grooving is located relatively at the inside of base's dual side-edge, cap band is set to form a middle portion and two sides, and make between the middle portion and two side that formation is corresponding to tear off intensity, to form the separate mode that diversification can be selected for use demand, and it can be widely used in the lid band structure of heat-sealing type and certainly glutinous type.

Description

Cap band structure

Technical field

The utility model relates to encapsulate the lid band of electronic component carrying belt, espespecially one kind have both polynary peeling mechanism, can be because It answers a variety of removing demands and heat-sealing type or the cap band structure from glutinous type can be widely used in.

Background technique

Plastics carrying belt (Carrier Tape) and lid band (Cover Tape) are mainly SMT (Surface Mounted Technology a kind of important packaging material of production auxiliary) is provided, general carrying belt is by plastics load-bearing strip-coil sheet material (material Band) it is processed through molding, punching etc., the depressed area for meeting the receiving of preset shape supplied for electronic part is formed, and lid band is then to combine To carrying belt to close depressed area, to achieve the purpose that pack electronic component.Recently as setting for various electronic products Meter demand is more light and short, and consumer electrical product obviously has the tendency that small and exquisite exquisiteness, therefore is producing and processing to SMT The demand of the production capacity of journey, precision, quality, service etc. is also more strong, requirement of the different electronic components to packaging material Also more polynary, seem pulling capacity when separating lid band, often there is different condition and requirement.

Lid band usual at present can be divided into heat-sealing type and from glutinous two kinds of type, heat-sealing type lid band system passed through according to the kenel of sealing Viscosity is generated after being heated by heat-activated binder (or being hot melt adhesive), the lid band of single film layer is sticked on carrying belt, and from Viscous type lid band then relies on pressure sensitive adhesives (or for self-adhesive, PSA pressure-sensing glue), and the lid band through pressing single film layer, which is sticked to, to be held On carrier band.

In practical application, the design of carrying belt selects material appropriate to mention mainly according to the demand of encapsulating parts For carrying support strength accordingly, multiple material, such as PS (Polystyrene, polystyrene), PC common are (Polycarbonate, polycarbonate), PET (Polyethylene Tterephthalate, polyethylene terephthalate), PP (Polypropylene, polypropylene) etc.；And the design of band is covered, except the primary demand for considering part and kenel is sealed, it is still necessary to The interaction, such as sealing strength, peel strength, stability etc. for considering itself and carrying interband again, when to avoid removing The problems such as component shift, bounce, adherency, therefore, for different demands, often needing special lid band and sealing to be just able to satisfy is needed It asks, also therefore, many costs can be often expended in design, research and development, test, production.

It is that this industry is long in view of this, designing the general lid band structure of one kind to meet the multi-demands of a variety of carrying belts Have since long with the project broken through, this case utility model designer continues the road of Improvement to this, there is the utility model finally It generates.

Utility model content

The main purpose of the utility model be provide it is a kind of with removing with tear off the encapsulation of two kinds of drawing modes Lid band structure can remove glue-line by with higher pulling capacity when use, or tear off Ban Duan base with lower pulling capacity, be formed more The separation mechanism of memberization can be widely used in a variety of different demands in practice.Into person, the utility model can matching by glue-line System and the depth of grooving to regulate and control expected peel strength and tear off intensity, can more increase applicability, and can be fully adapted to heat In the lid band structure of envelope type and self-adhering-type, the cost of R&D and production is reduced.

To reach above-mentioned purpose, the utility model provides a kind of cap band structure, special to seal a carrying belt Sign is to include:

The base of one strip sheet, it includes parallel dual side-edges；

One is coated on the glue-line of the base lower surface, for bonding base removing corresponding with the carrying belt and formation one Intensity, the peel strength are 50g~90g；

Two groovings are located on the inside of the dual side-edge and extend parallel to, and form cap band between two grooving One middle portion and two sides on the outside of two grooving, each grooving pass through the glue-line and cut the base with a predetermined depth Layer, make to be formed between the middle portion and two side one it is corresponding tear off intensity, and this tears off intensity and is less than the peel strength.

The cap band structure, in which: it is 30g~50g that this, which tears off intensity,.

The cap band structure, in which: the predetermined depth that each grooving cuts the base is at least base thickness The 50% of degree.

The cap band structure, in which: the predetermined depth is at most the 80% of the groundwork thickness.

The cap band structure, in which: the base upper surface is coated with a function coating layer.

The cap band structure a, in which: side surface of the glue-line far from the base is at least in the corresponding middle portion Position be coated with a function coating layer.

The cap band structure, in which: respectively the function coating layer is antistatic layer.

The cap band structure, in which: the base is PET material.

The cap band structure, in which: the glue-line is the hot melt adhesive that the peel strength can be adjusted with heat-sealing temperature.

The cap band structure, in which: the glue-line is the PSA glue that the peel strength can be adjusted with pressing pressure.

By the utility model, which adjusts sealing strength in sealing operation Shi Nengyi heat-sealing temperature or sealing pressure Or corresponding peel strength, the needs of upper was used to meet, and in overburden operation, it can select on demand with the side of high pulling capacity Formula removes the glue-line, or tears off middle portion in a manner of low pulling capacity, and overburden operation is stably accomplished in condition and range, is reached To the effect of being widely used in different bearer band and demand.

To make the relevant technologies personage that can further appreciate that the content of the utility model, it is preferable that the utility model is hereby lifted below Embodiment, and cooperate schema that technological means that the utility model is adopted and the effect of reaching are explained in detail.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure of one preferred embodiment of the utility model；

Fig. 2 a and Fig. 2 b are respectively the schematic diagram that the grooving cuts different predetermined depths；

Fig. 3 is embodiment sealing in the diagrammatic cross-section of carrying belt；

Fig. 4 is one use state diagram of embodiment；

Fig. 5 is another use state diagram of the embodiment.

Fig. 6 is the sealing of the utility model another preferred embodiment in the diagrammatic cross-section of carrying belt；

Fig. 7 is one use state diagram of embodiment；

Fig. 8 is another use state diagram of the embodiment.

Description of symbols: 10- cap band；11- middle portion；The side 12-；20- base；The side 21-；The lower surface 22-； The upper surface 23-；30- glue-line；40- grooving；D1, D2- predetermined depth；50- carrying belt；60,61- function coating layer.

Specific embodiment

Referring to Fig. 1, there is a base 20 in the primary structure system of the utility model cap band 10, it is in strip sheet knot Structure body has generally in the dual side-edge 21 and a upper surface 23 and a lower surface 22 extended in parallel, the material of the base 20 It is mainly selected to PET (Polyethylene Terephthalate, polyethylene terephthalate), heated injection is pressed into piece Material makes it that can keep the physical characteristics such as good toughness, intensity, shock resistance；In other possible embodiments, material also be can be selected Fish OPP (O-phenylphenol, o-phenyl phenol), PS (Polystyrene), ABS (Acrylonitrile Butadiene ) or the materials such as PC (Polycarbonate) Styrene.

The lower surface 22 of the base 20 is laid with a glue-line 30, for bonding the base 20 to scheduled carrying belt, and should 30 system of glue-line can form expected sealing strength or peel strength according to heat-sealing temperature or sealing pressure, wherein the glue-line 30 is glutinous Conjunction is formed by peel strength and is preferred with person between 50g~90g, can provide comparable sealing strength and in stripping cap band 10 When provide stablize removing ability.

In this present embodiment, cap band 10 offers two groovings 40, which is located at 20 2 side of base The inside on side 21 is substantially parallel to the dual side-edge 21 in longitudinally extending, forms the cap band 10 and is located at two grooving A middle portion 11 between 40 and two sides 12 on the outside of two grooving 40, each grooving system pass through the glue-line 30 from downside And the base 20 is cut with a predetermined depth, make to be formed between the middle portion 11 and two side 12 one it is corresponding tear off intensity, and This tears off intensity less than the peel strength；Wherein, what is formed between the middle portion 11 and two side 12 tears off intensity with 30~50g Between person be preferred, be avoided that intensity too low the problem of being easily broken off, and when stripping cap band 10 provide another kind with smaller Pulling capacity separates the mode of cap band 10, forms the design for being able to satisfy different pulling capacity demands.

In feasible embodiment, usually there are many different thickness, such as 15 μm, 18 μm, 23 μm, 36 μm for the base 20 Deng the predetermined depth that each grooving 40 cuts base 20 is generally at least the 50% of 20 thickness of base, and to be no more than the base The 80% of 20 thickness of layer are preferred；For example, as shown in Figure 2 a, it is assumed that the base 20 with a thickness of 23 μm, when the grooving 40 The predetermined depth D1 for cutting base 20 is about 12 μm (be equivalent to 20 thickness of base 50%), can allow the middle portion 11 and two sides About 50g is formed between 12 tears off intensity；Again as shown in Figure 2 b, if the predetermined depth D2 of the grooving 40 incision base 20 is about 18 μm (be equivalent to 20 thickness of base 80%) can allow form about 30g between the middle portion 11 and two sides 12 to tear off intensity.

When practical application, as shown in Figures 3 to 5,10 system of cap band is incorporated on carrying belt 50 by sealing operation, By taking heat-sealing type as an example, 20 system of glue-line positioned at two sides 12 is bonded in 50 two sides of carrying belt by way of sealing, according to heat-sealing Temperature can allow the glue-line 30 to be formed with stable peel strength 50g~90g, and two groovings 40 can be according to 50 depressed area of carrying belt Specification, the rough position corresponding to depressed area, and make to be formed between middle portion 11 and two sides 12 and stable tear off intensity 30g ~50g；When cap band 10 to be separated, can be selected in a manner of integrally stripping cap band 10 according to the demand in practice (as shown in Figure 4) is removed from the position that glue-line 30 binds with larger drawing masterpiece, or strips cap band 10 with part Mode (as shown in Figure 5) allows middle portion 11 to tear off along grooving 40 and two sides 12, with smaller pulling capacity to meet diversification Requirement.

In feasible embodiment, the material of the glue-line 30 is optional to be used for hot melt adhesive or PSA glue (pressure-sensing glue, Pressure Sensitive Adhesive), form the cap band 10 of heat-sealing type or self-adhering-type；And relying on design above-mentioned, this is practical new Type cap band 10 can be widely used in the carrying belt 50 of a variety of different demands.

It is the example of another embodiment of the utility model, primary structure is in addition to including as shown in Figure 6 to 8 into person The part such as base 20, glue-line 30 described in preceding embodiment, two groovings 40 is outer, further includes the painting of one function of base's 20 upper surface, 23 coating Layer of cloth 60 and 30 lower surface of glue-line are to the one function coating layer 61 of position coating being less than corresponding to middle portion 11, in actually answering With function coating layer 61 can be a conductive layer or antistatic layer, to avoid in exterior static damage 50 depressed area of carrying belt The electronic component of accommodating.

When in actual use, cap band 10 is incorporated on carrying belt 50 by sealing operation, by taking self-adhering-type as an example, is located at 20 system of glue-line of two sides 12 is bonded in 50 two sides of carrying belt by way of pressing, allows the glue-line 30 in two according to pressing dynamics Be formed with stable peel strength 50g~90g between person, two groovings 40 can allow between middle portion 11 and two sides 12 be formed with it is stable Tear off intensity 30g~50g；When cap band 10 to be separated, can be selected according to the demand in practice from the position that glue-line 30 bonds It sets, in such a way that larger drawing masterpiece integrally strips cap band 10 (as shown in Figure 7), or from the position of middle portion 11, with Smaller pulling capacity allows middle portion 11 to tear off the mode (as shown in Figure 8) in two sides 12 along grooving 40, to meet making for diversification With requiring.

In summary, the utility model can really be common to large-scale use demand, it is effectively reduced development & production Cost, suitable for volume production and improve the output value, and product is avoided that in lid band stripping process and generates part with stable effect The situations such as offset, bounce, adherency.

It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art Understand, without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or it is equivalent, but It falls within the protection scope of the utility model.

Claims (10)

1. a kind of cap band structure, to seal a carrying belt, it is characterized in that including:

The base of one strip sheet, it includes parallel dual side-edges；

One is coated on the glue-line of the base lower surface, strong for bonding base removing corresponding with the carrying belt and formation one Degree, the peel strength are 50g~90g；

Two groovings are located on the inside of the dual side-edge and extend parallel to, and form cap band in one between two grooving Section portion and two sides on the outside of two grooving, each grooving pass through the glue-line and cut the base with a predetermined depth, Make to be formed between the middle portion and two side one it is corresponding tear off intensity, and this tears off intensity and is less than the peel strength.

2. cap band structure according to claim 1, it is characterised in that: it is 30g~50g that this, which tears off intensity,.

3. cap band structure according to claim 1 or 2, it is characterised in that: each grooving cut the base this is pre- If depth is at least the 50% of the groundwork thickness.

4. cap band structure according to claim 3, it is characterised in that: the predetermined depth is at most the groundwork thickness 80%.

5. cap band structure according to claim 4, it is characterised in that: the base upper surface is coated with function coating Layer.

6. cap band structure according to claim 5, it is characterised in that: a side surface of the glue-line far from the base is extremely Few position in the corresponding middle portion is coated with a function coating layer.

7. cap band structure according to claim 6, it is characterised in that: respectively the function coating layer is antistatic layer.

8. cap band structure according to claim 7, it is characterised in that: the base is PET material.

9. cap band structure according to claim 7, it is characterised in that: the glue-line is can to adjust the stripping with heat-sealing temperature Hot melt adhesive from intensity.

10. cap band structure according to claim 7, it is characterised in that: the glue-line is can to adjust to be somebody's turn to do with pressing pressure The PSA glue of peel strength.