WO2021120473A1

WO2021120473A1 - Coating and printing apparatus for pressure-sensitive adhesive tape

Info

Publication number: WO2021120473A1
Application number: PCT/CN2020/085936
Authority: WO
Inventors: 陈道远; 沈鸣杰; 闵忠杰
Original assignee: 极涂自动化科技(苏州)有限公司
Priority date: 2019-12-19
Filing date: 2020-04-21
Publication date: 2021-06-24
Also published as: CN211255810U; DE202020103492U1

Abstract

Disclosed is a coating and printing apparatus for a pressure-sensitive adhesive tape. The pressure-sensitive adhesive tape comprises a surface material and a base material, wherein the surface material and the base material are both tray-type materials. The surface material is arranged on a first unreeling mechanism and is driven by a first traction mechanism, and the surface material enters a combination unit after sequentially passing through a corona apparatus, a dust removal apparatus and a printing unit. The base material is arranged on a second unreeling mechanism and is driven by a second traction mechanism, and the base material sequentially passes through a silicone oil coating unit, a pressure-sensitive adhesive coating unit and a drying apparatus, and then enters the combination unit. The surface material and the base material are combined by means of the combination unit, and are reeled in by means of a reeling mechanism after being combined. By means of the coating apparatus in the present utility model, a printing operation can be carried out before a surface material of a pressure-sensitive adhesive is subjected to coating and combination, such that a printing layer is positioned between a coating adhesive and the surface material, an anti-counterfeiting mark can be printed by means of the printing layer, and the anti-counterfeiting mark is encapsulated by the pressure-sensitive adhesive layer, thereby protecting the integrity of the anti-counterfeiting mark and preventing the anti-counterfeiting mark from being damaged.

Description

Coating and printing equipment for pressure sensitive tape

Technical field

The utility model belongs to the technical field of coating equipment, in particular to a coating and printing equipment for pressure-sensitive adhesive tapes.

Background technique

Pressure-sensitive adhesive, commonly known as self-adhesive, is a type of adhesive that is sensitive to pressure. It is a composite material with paper, film or special materials as the fabric, adhesive on the back, and silicon-coated protective paper as the base paper. . Pressure-sensitive adhesive is a special type of adhesive that can be bonded with finger pressure without heating, solvents or other means. Generally, pressure-sensitive adhesives are not directly used for bonding and must be applied to the tape. It can only be used when various pressure-sensitive adhesive products are made on the substrate. Pressure-sensitive adhesive products include pressure-sensitive tape and pressure-sensitive adhesive labels

There are three major categories of label paper and pressure-sensitive adhesive sheet. Pressure-sensitive adhesive tape is composed of pressure-sensitive adhesive, substrate, primer, backside treatment agent, etc. Pressure-sensitive adhesive is the most important component of pressure-sensitive adhesive tape, and its function makes the tape have For pressure-sensitive adhesive properties, fabrics, plastic films, paper, etc. are mainly used as substrates. The primer is to increase the bonding strength of the pressure-sensitive adhesive and the substrate. When in use, tear off the protective film and gently press to bond the tape to the surface of the adherend. The finished products have the following characteristics, which can be achieved by finger pressure during bonding. When peeling off, the adhesive will not pollute. The surface of the adherend, its bonding process is very sensitive to pressure, so the adhesive in the pressure-sensitive tape is literally called pressure-sensitive adhesive. In the prior art, the anti-counterfeiting of the pressure-sensitive adhesive (for the preparation of pressure-sensitive adhesives) Adhesive companies), there is no good way to achieve, so for companies that prepare pressure-sensitive adhesive materials, they cannot get the corresponding protection and are often counterfeited.

Utility model content

The main technical problem solved by the utility model is to provide a pressure-sensitive adhesive tape coating and printing equipment, which can perform printing operations before the surface material of the pressure-sensitive adhesive is coated and compounded, so that the printing layer is located between the coating and the surface material , The anti-counterfeiting mark can be printed through the printing layer, and it is encapsulated by the pressure-sensitive adhesive layer to protect its integrity and prevent it from being damaged.

In order to solve the above technical problems, a technical solution adopted by the present utility model is: a pressure-sensitive adhesive tape coating and printing equipment, the pressure-sensitive tape includes a face material and a substrate, and the pressure-sensitive tape includes a face material and a substrate , One side of the face material is coated with a pressure-sensitive adhesive layer, and there is a printing layer between the face material and the pressure-sensitive adhesive layer; one side of the substrate is coated with a silicone oil layer, and the face material is provided with One side of the pressure-sensitive adhesive layer overlaps with the side of the substrate provided with a silicone oil layer to form a complete pressure-sensitive adhesive tape;

The equipment includes a printing unit, a silicone oil coating unit, a pressure-sensitive adhesive coating unit, a drying device, a composite unit, a control unit, and a client. The control unit is electrically connected to the printing unit, the silicone oil coating unit, and the pressure sensitive adhesive. Glue coating unit, drying equipment and compounding unit, the client is in signal connection with the control unit;

The surface material and the substrate are both tray-shaped materials. The surface material is placed in the first unwinding mechanism and driven by the first traction mechanism. The surface material passes through the corona device, the dust removal device, and the Enter the composite unit after the printing unit;

The substrate is placed in the second unwinding mechanism and driven by the second traction mechanism. The substrate sequentially passes through the silicone oil coating unit, the pressure-sensitive adhesive coating unit and the drying equipment and then enters the In the composite unit, the face material and the substrate are composited by the composite unit, and the rewinding mechanism is used to rewind after the composite is completed.

Furthermore, the printing unit is a flexographic printing device.

Furthermore, the printing unit includes a front-side printing device and/or a back-side printing device.

Furthermore, the corona device is a double-sided corona device.

Furthermore, the silicone oil coating unit is a five-roll coating equipment.

Furthermore, the pressure-sensitive adhesive coating unit is a water-based adhesive coating device.

Furthermore, the drying equipment includes several hot-air drying ovens and cold-air drying ovens.

Furthermore, the composite unit is a cooling composite device.

Furthermore, a deviation correction mechanism is provided upstream of the composite unit, and two deviation correction mechanisms are provided, and the two deviation correction mechanisms are respectively located on the transmission path of the face material and the substrate.

Furthermore, the correction mechanism is a single-roller correction mechanism.

Furthermore, the face material is synthetic paper, high-quality paper, cotton paper or crepe paper, and the substrate is made of polyethylene, polypropylene, polyester or polyvinyl chloride.

The beneficial effects of the utility model:

The pressure-sensitive adhesive tape prepared by this equipment has a printing layer between the surface material and the pressure-sensitive adhesive layer, through which the anti-counterfeiting mark can be printed, and is encapsulated by the pressure-sensitive adhesive layer to protect its integrity, Prevent it from being destroyed.

Description of the drawings

Figure 1 is a schematic diagram of a cross-sectional structure of the pressure-sensitive adhesive of the present invention;

Figure 2 is a schematic diagram of the control flow of the coating equipment of the present invention

The parts in the drawings are marked as follows:

Printing unit 1, silicone oil coating unit 2, pressure-sensitive adhesive coating unit 3, drying equipment 4, composite unit 5, corona equipment 6, dust removal equipment 7, winding mechanism 8, surface material 20 and substrate 30.

Detailed ways

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, so as to make a clearer and clearer definition of the scope of protection of the utility model. .

Example: A coating and printing equipment for pressure-sensitive adhesive tape. The pressure-sensitive adhesive tape is shown in FIG. 1: comprising a face material and a substrate. The pressure-sensitive adhesive tape comprises a face material 20 and a substrate 30. The face material One side of the substrate is coated with a pressure-sensitive adhesive layer 40, and there is a printing layer 50 between the face material and the pressure-sensitive adhesive layer; one side of the substrate is coated with a silicone oil layer 60, and the face material is provided with a pressure-sensitive adhesive layer. One side of the adhesive layer is overlapped with the side of the substrate provided with a silicone oil layer to form a complete pressure-sensitive adhesive tape;

The surface material and substrate of the complete pressure-sensitive tape, where the surface material is a usable piece with printed patterns, the substrate is the part that needs to be removed during use, and the pressure-sensitive adhesive layer (adhesive layer) of the back material is removed Can be pasted;

It has a printing layer between the surface material and the pressure-sensitive adhesive layer, through which the anti-counterfeiting mark can be printed, and it is encapsulated by the pressure-sensitive adhesive layer to protect its integrity and prevent damage;

What you need to know is that the anti-counterfeiting here is not the anti-counterfeiting of the manufacturer of the pressure-sensitive tape, but sometimes it means that the manufacturer of the pressure-sensitive tape can provide anti-counterfeiting because the printing layer is on the bottom surface of the surface material. The printed layer cannot be seen when it is used on it.

The equipment is shown in Figure 2: It includes a printing unit 1, a silicone oil coating unit 2, a pressure-sensitive adhesive coating unit 3, a drying device 4, a composite unit 5, a control unit 9 and a client 10, and the control unit is electrically Connecting the printing unit, the silicone oil coating unit, the pressure-sensitive adhesive coating unit, the drying equipment, and the compounding unit, and the client is in signal connection with the control unit;

The surface material and the substrate are both tray-shaped materials. The surface material is placed in the first unwinding mechanism and driven by the first traction mechanism. The surface material sequentially passes through the corona device 6, the dust removal device 7, and Enter the composite unit after the printing unit;

The substrate is placed in the second unwinding mechanism and driven by the second traction mechanism. The substrate sequentially passes through the silicone oil coating unit, the pressure-sensitive adhesive coating unit and the drying equipment and then enters the In the composite unit, the face material and the substrate are composited by the composite unit, and the winding mechanism 8 is used to rewind after the composite is completed.

The printing unit is a flexographic printing device.

The printing unit includes a front printing device and/or a back printing device.

The corona device is a double-sided corona device.

The silicone oil coating unit is a five-roll coating equipment.

The pressure-sensitive adhesive coating unit is a water-based adhesive coating device.

The drying equipment includes several hot air drying ovens and cold air drying ovens.

The compound unit is a cooling compound device.

A correction mechanism is provided upstream of the composite unit, and two correction mechanisms are provided, and the two correction mechanisms are respectively located on the transmission path of the face material and the substrate.

The correction mechanism is a single-roller correction mechanism.

In this embodiment, the above-mentioned flexo printing equipment, front printing equipment, reverse printing equipment, double-sided corona equipment, five-roll coating equipment, water glue coating equipment, hot air drying oven, cold air drying oven, cooling composite equipment and single The roller correction mechanism can be completed with existing equipment.

The face material is synthetic paper, high-quality paper, cotton paper or crepe paper, and the substrate is made of polyethylene, polypropylene, polyester or polyvinyl chloride.

The working principle of the utility model is as follows:

The printing and coating equipment of the present invention can perform a printing operation before the surface material of the pressure-sensitive adhesive is coated and compounded, so that the printing layer is located between the coating and the surface material, and the anti-counterfeiting mark can be printed through the printing layer , And is encapsulated by a pressure-sensitive adhesive layer to protect its integrity and prevent damage.

The above are only the embodiments of the present utility model, and do not therefore limit the scope of the present utility model. Any equivalent structural transformation made using the content of the utility model description and drawings, or directly or indirectly applied to other related technical fields , The same reason is included in the scope of patent protection of this utility model.

Claims

A pressure-sensitive adhesive tape coating and printing equipment, characterized in that: the pressure-sensitive adhesive tape comprises a face material and a substrate, the pressure-sensitive adhesive tape comprises a face material (20) and a substrate (30), and the surface material One side is coated with a pressure-sensitive adhesive layer (40), and there is a printing layer (50) between the face material and the pressure-sensitive adhesive layer; one side of the substrate is coated with a silicone oil layer (60), and the surface The side of the material provided with the pressure-sensitive adhesive layer and the side of the substrate provided with the silicone oil layer are superimposed to form a complete pressure-sensitive adhesive tape;

The equipment includes a printing unit (1), a silicone oil coating unit (2), a pressure-sensitive adhesive coating unit (3), a drying equipment (4), a composite unit (5), a control unit (9) and a client ( 10) The control unit is electrically connected to the printing unit, the silicone oil coating unit, the pressure-sensitive adhesive coating unit, the drying equipment and the compounding unit, and the client is signally connected to the control unit;

The face material and the substrate are both tray-shaped materials. The face material is placed in the first unwinding mechanism and driven by the first traction mechanism. The face material passes through the corona device (6) and the dust removal device in turn (7) Enter the composite unit after the printing unit;

The substrate is placed in the second unwinding mechanism and driven by the second traction mechanism. The substrate sequentially passes through the silicone oil coating unit, the pressure-sensitive adhesive coating unit and the drying equipment and then enters the In the composite unit, the face material and the substrate are composited by the composite unit, and the rewinding mechanism is used to rewind after the composite is completed.
The coating and printing equipment for pressure-sensitive adhesive tape according to claim 1, wherein the printing unit is a flexographic printing equipment.
The pressure-sensitive adhesive tape coating printing device according to claim 1 or 2, wherein the printing unit includes a front printing device and/or a reverse printing device.
The pressure-sensitive adhesive tape coating and printing device according to claim 1, wherein the corona device is a double-sided corona device.
The pressure-sensitive adhesive tape coating and printing equipment according to claim 1, wherein the silicone oil coating unit is a five-roll coating equipment.
The coating and printing equipment for pressure-sensitive adhesive tape according to claim 1, wherein the pressure-sensitive adhesive coating unit is a water-based glue coating equipment.
The pressure-sensitive adhesive tape coating and printing equipment according to claim 1, wherein the drying equipment includes a plurality of hot-air drying ovens and cold-air drying ovens.
The pressure-sensitive adhesive tape coating and printing equipment according to claim 1, wherein the composite unit is a cooling composite equipment.
The pressure-sensitive adhesive tape coating and printing equipment according to claim 1, characterized in that: a correction mechanism is provided upstream of the composite unit, and two correction mechanisms are provided, and the two correction mechanisms are respectively located in the The conveying path of the face material and the substrate.
The pressure-sensitive adhesive tape coating and printing equipment according to claim 1, wherein the surface material is synthetic paper, high-quality paper, cotton paper or crepe paper, and the substrate is polyethylene, polypropylene, poly It is made of ester or polyvinyl chloride.