CN220639175U

CN220639175U - Composite compression roller for ultrasonic compositing of non-woven fabrics

Info

Publication number: CN220639175U
Application number: CN202322047766.2U
Authority: CN
Inventors: 韩龙; 刘宇鹏; 赵莘卡
Original assignee: Kunshan Jiaodian Laser Roller Making Co ltd
Current assignee: Kunshan Jiaodian Laser Roller Making Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-03-22
Anticipated expiration: 2033-08-01

Abstract

The utility model discloses a non-woven fabric ultrasonic composite press roller, which is provided with a plurality of bulges with rectangular press-contact surfaces, wherein the long side direction of each bulge press-contact surface is perpendicular to the axial direction of the composite press roller, the bulge press-contact surface is provided with a plurality of grooves which are arranged at intervals, and the directions of the grooves are parallel to the axial direction of the composite press roller. The utility model can form denser contact ribs on the press-bonding surface through the design of the grooves, so that the press-bonding points of the non-woven fabric during ultrasonic lamination are richer, and the lamination bonding force is reliable and stable. The strength of the convex structure on the composite press roller is greatly improved, deformation damage is not easy to generate in an ultrasonic vibration environment, and the effective service life of the composite press roller is prolonged. The bulge arrangement that adopts curved protruding periphery and axial protruding row to combine together, it is difficult for producing resonance damage, satisfies non-woven fabrics supersound compound demand, also can not destroy the wholeness that the bonding point constitutes simultaneously.

Description

Composite compression roller for ultrasonic compositing of non-woven fabrics

Technical Field

The utility model relates to a composite press roller for ultrasonic compositing of non-woven fabrics, and belongs to the technical field of composite rollers.

Background

At present, there is a composite operation of non-woven fabrics, that is, a plurality of non-woven fabrics are composited, and an adhesive is present between adjacent non-woven fabrics, and the bonding is generally achieved by a rolling mode.

The traditional adhesive generally adopts fluid adhesive material, hot-melt adhesive material and ultrasonic fusion adhesive material for compounding, and is rolled by a compounding press roller, wherein the fluid adhesive material and the hot-melt adhesive material are basically surface compounded, the compounding binding force is poor, and the conditions such as wrinkles and the like are easy to occur, so that ultrasonic fusion compounding occurs, namely, under the compounding press rolling state, an ultrasonic source can produce fusion compounding on a pressed non-woven fabric layer, and the requirement of multi-layer compounding uniformity is met.

In ultrasonic compounding, a pressing point is required to be designed on the compounding press roller, and salient points with a certain arrangement rule are generally adopted for pressing and pasting, so that multi-layer compound bonding points are formed on the non-woven fabric compound layer, and the compound quality of the multi-layer non-woven fabric is greatly improved.

In general, the bump adopts the matrix distribution, the S-shaped distribution and other arrangement forms, but the traditional bump is generally a circular and rectangular convex column, the end face of the traditional bump is of a plane structure, in ultrasonic compounding, the compound reliability is insufficient, the linearity of insufficient stripping force exists, in addition, the bump can be contacted with an ultrasonic vibration source, and when the specification of the bump is reduced and designed, the strength is insufficient and deformation is easy to generate.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a composite press roller for ultrasonic compositing of non-woven fabrics, aiming at the problems that the structural strength of salient points on a traditional composite roller is insufficient and the stripping force can be influenced by larger salient points.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a composite press roller for ultrasonic compounding of non-woven fabrics is provided with a plurality of bulges with rectangular press-contact surfaces, the long side direction of the press-contact surfaces of the bulges is vertical to the axial direction of the composite press roller,

the raised press-connection surface is provided with a plurality of grooves which are arranged at intervals, and the directions of the grooves are parallel to the axial direction of the composite press roll.

Preferably, the protrusion comprises conical surface walls respectively connected with two long sides of two press contact surfaces, and the two conical surface walls form an included angle alpha which is more than or equal to 30 degrees and less than or equal to 45 degrees.

Preferably, the included angle α=38°.

Preferably, an arc-shaped connecting pile is arranged between the conical surface wall and the roller surface of the composite compression roller.

Preferably, the cross section of the groove is semicircular.

Preferably, a plurality of axial protruding rows which are arranged in parallel are arranged on the roller surface of the composite press roller, and each axial protruding row comprises a plurality of protruding parts which are arranged at equal intervals.

Preferably, the protrusions of any adjacent axial protrusion row are arranged in an axial dislocation.

Preferably, the protrusions of the plurality of axial protrusion rows form a plurality of curved protrusion circumferences which are axially arranged at intervals.

The beneficial effects of the utility model are mainly as follows:

1. the dense contact ribs formed on the press-bonding surface can be designed through a plurality of grooves, so that the press-bonding points of the non-woven fabric during ultrasonic lamination are rich, and the lamination bonding force is reliable and stable.

2. The strength of the convex structure on the composite press roller is greatly improved, deformation damage is not easy to generate in an ultrasonic vibration environment, and the effective service life of the composite press roller is prolonged.

3. The bulge arrangement that adopts curved protruding periphery and axial protruding row to combine together, it is difficult for producing resonance damage, satisfies non-woven fabrics supersound compound demand, also can not destroy the wholeness that the bonding point constitutes simultaneously.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

fig. 1 is a schematic structural view of a composite press roll for ultrasonic composite of nonwoven fabrics.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1.

FIG. 3 is a schematic cross-sectional view of a protrusion in a composite press roll for ultrasonic compounding of nonwoven fabric according to the present utility model.

Fig. 4 is a schematic cross-sectional structure of a protrusion in a composite press roll for ultrasonic composite of nonwoven fabric according to the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

The utility model provides a non-woven fabric ultrasonic composite press roll, as shown in fig. 1 to 4, a plurality of rectangular bulges 2 are arranged on a composite press roll 1, the long side direction of the press surface 20 of each bulge 2 is perpendicular to the axial direction of the composite press roll, the bulges 2 with the press surface 20 belong to the prior art, the rectangular press surface 20 also belongs to the prior art, the long side and the short side of the rectangle exist, and the design that the long side is perpendicular to the axial direction of the composite press roll is adopted, so that the stress is better, tangential force can be resisted, deformation is not easy to generate, and the arrangement of the long side direction also belongs to the prior art.

In the scheme, a plurality of grooves 3 are arranged on the press joint surface 20 of the bulge 2 at intervals, and the directions of the grooves are parallel to the axial direction of the composite press roll.

Namely, the forming of a plurality of contact ribs 4 can be realized on the pressure welding surface 20 through the design of the grooves 3, and when the laminated non-woven fabrics are subjected to pressure welding ultrasonic compounding, a large number of compound bonding points are generated by the denser contact ribs 4, so that the compound reliability of the non-woven fabrics ultrasonic compounding is improved, and stripping is not easy to generate. And meanwhile, a gap without adhesion is provided, a certain deformation amount of the non-woven fabric can be released, and wrinkles are not easy to generate.

In one embodiment, as shown in FIG. 4, the protrusion includes tapered walls 22 connected to the two long sides 21 of the two crimping faces 20, respectively, the two tapered walls forming an included angle α,30 α 45.

The included angle alpha design shown in fig. 4 is adopted, so that the ultrasonic vibration device can resist the acting force of axial movement in the ultrasonic vibration process, and the convex structure is more stable and reliable.

In one particular embodiment, the included angle α=38°. The included angle meets the actual application requirement, and meanwhile, the forming is convenient, and the structural strength is ensured.

In one embodiment, an arcuate connecting pile 5 is provided between the conical wall 22 and the roll surface of the composite roll 1.

The arc-shaped connecting pile 5 increases the raised shock-resistant structural strength, and is easy to carry out the machining transition of the raised forming on the composite press roller 1.

In one embodiment, as shown in FIG. 3, the grooves are semi-circular in cross-section. Of course, other cross-sectional structures, such as rectangular, trapezoidal, etc., may be used, and only the requirement of forming the grooves is satisfied to separate the contact ribs 4.

In a specific embodiment, the roller surface of the composite press roller 1 is provided with a plurality of parallel axial bulge rows 6, and each axial bulge row comprises a plurality of bulges which are arranged at equal intervals. The protrusions of any adjacent axial protrusion rows are axially staggered. The protrusions of the axial protrusion rows form a plurality of curved protrusion circumferences 7 which are arranged at intervals in the axial direction.

The arrangement meets the requirement of ultrasonic composite rolling of the non-woven fabric, a bonding point pressing area with a certain rule exists, meanwhile, the point pressing surface with the whole surface specification cannot be generated, when the non-woven fabric is partially stuck in place, the integral bonding reliability is ensured, and the integrity of the bonding area formed by the non-woven fabric cannot be damaged.

Through the description, the utility model can form denser contact ribs on the press-bonding surface through the design of a plurality of grooves, so that the press-bonding points of the non-woven fabric during ultrasonic lamination are richer, and the lamination bonding force is reliable and stable. The strength of the convex structure on the composite press roller is greatly improved, deformation damage is not easy to generate in an ultrasonic vibration environment, and the effective service life of the composite press roller is prolonged. The bulge arrangement that adopts curved protruding periphery and axial protruding row to combine together, it is difficult for producing resonance damage, satisfies non-woven fabrics supersound compound demand, also can not destroy the wholeness that the bonding point constitutes simultaneously.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus/apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus/apparatus.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims

1. The utility model provides a compound compression roller of non-woven fabrics supersound complex, be equipped with a plurality of crimping faces on the compound compression roller and be rectangular arch, the long limit direction of bellied crimping face is mutually perpendicular with the axial of compound compression roller, its characterized in that:

2. The ultrasonic composite press roll for non-woven fabrics according to claim 1, wherein:

the bulge comprises conical surface walls which are respectively connected with two long sides of two compression joint surfaces, and an included angle alpha is formed by the two conical surface walls, and is more than or equal to 30 degrees and less than or equal to 45 degrees.

3. The ultrasonic composite press roll for non-woven fabrics according to claim 2, wherein:

the included angle α=38°.

4. The ultrasonic composite press roll for non-woven fabrics according to claim 2, wherein:

an arc-shaped connecting pile is arranged between the conical surface wall and the roller surface of the composite compression roller.

5. The ultrasonic composite press roll for non-woven fabrics according to claim 1, wherein:

the cross section of the groove is semicircular.

6. The ultrasonic composite press roll for non-woven fabrics according to any one of claims 1-5, which is characterized in that:

the roller surface of the composite press roller is provided with a plurality of axial bulge rows which are arranged in parallel, and each axial bulge row comprises a plurality of bulges which are arranged at equal intervals.

7. The ultrasonic composite press roll for non-woven fabrics according to claim 6, wherein:

the protrusions of any adjacent axial protrusion rows are axially staggered.

8. The ultrasonic composite press roll for non-woven fabrics according to claim 7, wherein: the protrusions of the axial protrusion rows form a plurality of curved protrusion circumferences which are axially arranged at intervals.