阅读说明：本技术 Eb双面辐照系统 (EB double-side irradiation system ) 是由 贾朝伟 李琦 曾利 罗德坤 刘帅 于 2020-06-17 设计创作，主要内容包括：本发明公开了一种EB双面辐照系统,包括放卷单元、EB辐照单元、收卷单元,还包括对基材两面分别进行涂布或印刷处理的第一涂布或印刷单元、第二涂布或印刷单元；以及将涂布或印刷后的基材两面分别引导至EB辐照单元的辐照区,并使基材的正反两面呈左右分布在辐照区以实现双面辐照的传导单元。本发明提供一种EB双面辐照系统,通过对固化设备的系统化布局设置,使得放卷输出的基材能通过第一涂布或印刷单元、第二涂布或印刷单元与传导单元的配合,将基材两面分别涂布或印刷相应的油墨、涂料、胶黏剂中的任意一种,呈左右分布的方式设置在辐照区,通过EB辐照单元对基材两面分别进行辐照,进而实现一套设备可同时完成基材两面的涂布或印刷以及辐照。(The invention discloses an EB double-side irradiation system, which comprises an unreeling unit, an EB irradiation unit and a reeling unit, and also comprises a first coating or printing unit and a second coating or printing unit, wherein the first coating or printing unit and the second coating or printing unit are used for respectively coating or printing two sides of a base material; and the conduction unit is used for respectively guiding the two sides of the coated or printed base material to the irradiation area of the EB irradiation unit and enabling the front side and the back side of the base material to be distributed in the irradiation area in a left-right mode so as to realize double-side irradiation. The invention provides an EB double-side irradiation system, which is characterized in that through the systematic layout of curing equipment, a base material which is unreeled and output can be respectively coated or printed with any one of corresponding printing ink, coating and adhesive through the matching of a first coating or printing unit, a second coating or printing unit and a conduction unit, the two sides of the base material are arranged in an irradiation area in a left-right distribution mode, the two sides of the base material are respectively irradiated through the EB irradiation unit, and then one set of equipment can simultaneously complete the coating or printing and the irradiation of the two sides of the base material.)

1. The utility model provides a two-sided irradiation system of EB, includes unreels unit, EB irradiation unit, rolling unit, its characterized in that still includes:

the first coating or printing unit and the second coating or printing unit are used for respectively coating or printing two sides of the base material along the film moving direction of the base material;

and the conduction units are matched with the first coating or printing unit and the second coating or printing unit, respectively guide the two sides of the coated or printed base material to the irradiation area of the EB irradiation unit, and enable the front side and the back side of the base material to be distributed in the irradiation area in a left-right mode so as to realize double-side irradiation.

2. The EB double-sided irradiation system of claim 1 wherein the conducting unit is configured to comprise:

the first guide roller and the second guide roller are oppositely arranged below the irradiation area;

a plurality of first transfer rollers which cooperate with an input side of the first guide roller to convey the single-sided coated or printed substrate output from the first coating or printing unit to the electron beam irradiation zone;

a plurality of second transfer rollers which are matched with the output side of the first guide roller so as to output the base material subjected to single-side irradiation to a second coating or printing unit;

a plurality of third transfer rollers which cooperate with an input side of the second guide roller to convey the double-sided coated or printed substrate output from the second coating or printing unit to the electron beam irradiation zone;

the plurality of fourth guide rollers are matched with the output side of the second guide roller so as to output the base material subjected to double-sided irradiation to the winding unit;

the diameter of each guide roller is configured to be larger than that of each conductive roller, and the first conductive roller and the second conductive roller, and the third conductive roller and the fourth conductive roller are arranged in a staggered mode in space.

3. The EB double side irradiation system of claim 1 wherein the first coating unit, the second coating unit each comprise:

the first coating roller and the second coating roller are matched with each coating unit;

the first limiting roll and the second limiting roll are arranged above the first coating roll and the second coating roll;

the unwinding unit, the first coating or printing unit, the first conduction unit, the second coating or printing unit, the second conduction unit and the winding unit are connected through a plurality of traction rollers, and the substrate in transmission is tensioned.

4. The EB double-sided irradiation system of claim 1 further comprising a nitrogen protection unit in cooperation with the EB irradiation unit;

the nitrogen protection unit is configured to comprise two nitrogen output channels which are oppositely arranged in the irradiation area and are positioned above the substrate.

5. A method of applying the EB double side irradiation system as set forth in any one of claims 1 to 4, comprising: the first guide roller and the second guide roller which are oppositely arranged enable the coating or printing surface of the base material to be distributed in the irradiation area in a left-right independent irradiation mode under the action of each coating or printing unit and each transmission roller, and double-side irradiation on the base material is achieved.

Technical Field

The invention relates to irradiation equipment used in the field of membrane material preparation. More particularly, the present invention relates to an EB double-side irradiation system for use in the context of film preparation.

Background

Electron Beam (EB) is an energy form of energy irradiation technology, and EB curing is a form of radiation curing, which is a process of inducing a rapid transformation of a specially formulated one hundred percent reactive liquid into a solid using an electron beam as a radiation source. EB solidification needs special solidification equipment, and the working principle is as follows: after the electrons are emitted from a group of linear cathodes, the electrons are accelerated by a vertical uniform electric field, and curtain-shaped electron beams are obtained under an accelerator irradiation box.

The existing EB curing device can only carry out curing operation on one surface of a substrate generally, but can not realize curing operation on two surfaces of the substrate by one set of equipment, the curing equipment in the prior art has complex structure, large investment and large occupied area, and is not beneficial to integration and comprehensive utilization, and certainly, the irradiation of double-layer substrates at a preset distance is also proposed to be adopted, so that double-surface irradiation of the substrate is expected to be finished by one set of equipment, but the upper layer and lower layer irradiation modes of the structural layout need two layers of nitrogen, the dosage of the nitrogen is doubled, and meanwhile, the upper layer and lower layer irradiation modes can irradiate a 2 nd layer of material after the upper layer of material penetrates, namely, the upper layer of substrate needs to penetrate through and then the surface of the lower layer of substrate needs to be irradiated and cured after the upper layer of material is cured by electron beams, so that the energy of the electron beams needs to be increased, the manufacturing cost is high, The operation cost is high.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.

To achieve these objects and other advantages in accordance with the present invention, there is provided an EB double-sided irradiation system, including an unwinding unit, an EB irradiation unit, a winding unit, further including:

the first coating or printing unit and the second coating or printing unit are used for respectively coating or printing two sides of the base material along the film moving direction of the base material;

and the conduction units are matched with the first coating or printing unit and the second coating or printing unit, respectively guide the two sides of the coated or printed base material to the irradiation area of the EB irradiation unit, and enable the front side and the back side of the base material to be distributed in the irradiation area in a left-right mode so as to realize double-side irradiation.

Preferably, the conductive unit is configured to include:

the first guide roller and the second guide roller are oppositely arranged below the irradiation area;

a plurality of first transfer rollers which cooperate with an input side of the first guide roller to convey the single-sided coated or printed substrate output from the first coating or printing unit to the electron beam irradiation zone;

a plurality of second transfer rollers which are matched with the output side of the first guide roller so as to output the base material subjected to single-side irradiation to a second coating or printing unit;

a plurality of third transfer rollers which cooperate with an input side of the second guide roller to convey the double-sided coated or printed substrate output from the second coating or printing unit to the electron beam irradiation zone;

the plurality of fourth guide rollers are matched with the output side of the second guide roller so as to output the base material subjected to double-sided irradiation to the winding unit;

the diameter of each guide roller is configured to be larger than that of each conductive roller, and the first conductive roller and the second conductive roller, and the third conductive roller and the fourth conductive roller are arranged in a staggered mode in space.

Preferably, the first coating unit and the second coating unit each include:

the first coating roller and the second coating roller are matched with each coating unit;

the first limiting roll and the second limiting roll are arranged above the first coating roll and the second coating roll;

the unwinding unit, the first coating or printing unit, the first conduction unit, the second coating or printing unit, the second conduction unit and the winding unit are connected through a plurality of traction rollers, and the substrate in transmission is tensioned.

Preferably, the device also comprises a nitrogen protection unit matched with the EB irradiation unit;

the nitrogen protection unit is configured to comprise two nitrogen output channels which are oppositely arranged in the irradiation area and are positioned above the substrate.

A method of applying an EB double side irradiation system, comprising: the first guide roller and the second guide roller which are oppositely arranged enable the coating or printing surface of the base material to be distributed in the irradiation area in a left-right independent irradiation mode under the action of each coating or printing unit and each transmission roller, and double-side irradiation on the base material is achieved.

The invention at least comprises the following beneficial effects: firstly, the overall layout of the irradiation system enables the substrate which is unreeled and output to be coated with any one of corresponding printing ink, coating and adhesive on two sides of the substrate through the matching of the first coating or printing unit, the second coating or printing unit and the conduction unit, and then the EB irradiation unit is used for carrying out irradiation curing on two sides of the substrate, so that one set of equipment can simultaneously complete coating, printing and curing on two sides of the substrate, and meanwhile, the structural space is arranged, so that the equipment is high in integration level, controllable in occupied area and high in comprehensive utilization rate, and in specific operation, the EB irradiation unit can disinfect, cure, modify and the like materials according to different requirements.

Secondly, the two sides of the coated or printed base material are distributed in the irradiation area in a left-right mode through the design and arrangement of the conduction units, and the two sides of the coated or printed base material are located on the first guide roller and the second guide roller respectively and face the irradiation area, so that double-side irradiation of the base material is completed in the conveying process, and the irradiation effect is guaranteed.

Thirdly, the base material can be always kept in a tensioning state in the transmission process through the arrangement of the plurality of traction rollers, traction type transmission is carried out according to the spatial layout positions of the first coating or printing unit, the second coating or printing unit, the first conducting unit, the second conducting unit and the EB irradiation unit, and the reasonability and effectiveness of the structural layout are further ensured.

Fourthly, the application method of the invention enables the two sides of the coated or printed substrate to be arranged in the irradiation area in a left-right distribution mode to form a left-right independent irradiation mode, and the invention is also a device in the field of coating curing, thereby solving the function of two devices in the traditional mode and greatly reducing the cost.

Fifth, in the left-right independent irradiation mode of the invention, after the front and back sides of the base material are irradiated, the penetration depth of the same electron beam is 2.4 times of that of single-layer irradiation in the prior art, that is, the penetration depth of the same energy is increased by 2.4 times compared with the same base material, and when the base material is irradiated and modified, the EB equipment cost is effectively reduced, and the energy consumption is reduced.

Compared with the irradiation modes of the upper layer and the lower layer, the left-right independent irradiation mode has the advantages that only one layer of nitrogen protection is needed while double-sided irradiation is completed by one device, the nitrogen consumption controllability is high, the cost is low, the left-right independent irradiation mode only performs irradiation on the surface of a material, different irradiation doses on the left side and the right side can be controlled according to needs, and compared with the irradiation modes of the upper layer and the lower layer, the energy requirement on the device is lower, the irradiation dose control is more accurate, and the influence on a base material is smaller.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic diagram of the structural layout of an EB double-sided irradiation system in one embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a layout of a nitrogen channel in cooperation with an EB irradiation unit in another embodiment of the invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It is to be understood that in the description of the present invention, the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are used only for convenience in describing the present invention and for simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.

Fig. 1-2 show an implementation form of an EB double-sided irradiation system according to the present invention, which includes an unwinding unit 1, an EB irradiation unit 2, and a winding unit 3, where the unwinding operation of a substrate is completed by the unwinding unit, the irradiation operation is performed on a coated or printed substrate by the EB irradiation unit, and the winding operation is performed on the substrate after the irradiation is completed by the winding unit, and further includes:

the coating or printing device comprises a first coating or printing unit and a second coating or printing unit, wherein the first coating or printing unit and the second coating or printing unit are used for respectively coating or printing two sides of a substrate along the film running direction of the substrate, and the two sides of the substrate are coated with corresponding ink, paint and adhesive under the action of the first coating or printing unit 4 and the second coating or printing unit 5 in the structure;

and a conduction unit 6 which is matched with the first coating or printing unit and the second coating or printing unit and respectively guides two sides of the coated or printed base material to an irradiation area of the EB irradiation unit, and enables the front side and the back side of the base material to be distributed in the irradiation area in a left-right mode so as to realize double-side irradiation, the base material coated with corresponding materials on one side is conveyed to an electron beam irradiation area under the action of the conduction unit, then the irradiated base material is conveyed to the second coating or printing unit to be coated or printed on the second side, and then conveyed to the electron beam irradiation area to be irradiated on the other side, so that the double-side irradiation and curing of the base material are realized, in the structure, through reasonable spatial layout of each unit, one set of system can finish double-side coating or printing and double-side curing of the base material, the spatial occupancy rate is controllable, the irradiation efficiency is better, and the electron beam generating device for realizing EB curing in the structure is the prior art, therefore, it is not described again, and in the specific operation, the EB radiation unit can perform different effects according to different application requirements, such as the effect of radiation sterilization, radiation curing, and radiation material modification, and if the curing is required according to actual requirements, a corresponding coating device is arranged in the coating or printing unit, and if the coating or printing is required, a corresponding coating or printing unit is arranged, and the coating or printing unit can be multicolor or monochromatic according to requirements. In the scheme, the conduction units are fully utilized, so that the coated or printed substrate surface is arranged in the irradiation region in a left-right distribution mode to form a left-right independent irradiation mode, after the front side and the back side of the substrate are irradiated, the penetration depth of the same electron beam is 2.4 times that of single-layer irradiation in the prior art, namely, the penetration depth of the same electron beam is improved by 2.4 times relative to the same substrate, the irradiation effect is better, the energy consumption is lower, and the equipment investment cost is reduced. The irradiation can realize radiation curing, radiation material modification, radiation disinfection and sterilization and the like according to the requirements, and has better adaptability.

As in fig. 1, in another example, the first conducting unit is configured to include:

the first guide roller 7 and the second guide roller 8 are oppositely arranged below the irradiation area, the first guide roller is used for guiding the base material to one side of the irradiation area to finish single-side irradiation after coating, and the second guide roller is used for guiding the base material after secondary coating to the other side of the irradiation area to finish irradiation of the other side of the base material;

a plurality of first transfer rollers 9 which cooperate with the input side of the first guide roller to transfer the single-sided coated or printed substrate outputted from the first coating or printing unit to the electron beam irradiation zone, the substrate being transferred to the electron beam irradiation zone in a spatially maintained tensioned state with the coated side facing upward by the action of the first transfer rollers;

a plurality of second transfer rollers 10 which are matched with the output side of the first guide roller to output the base material subjected to single-side irradiation to a second coating or printing unit, output the base material subjected to single-side irradiation through the action of the second transfer rollers, and convey the base material to the second coating or printing unit through the spatial layout to perform coating operation of the other side;

a plurality of third transfer rollers 11 which cooperate with the input side of the second guide roller to convey the double-sided coated or printed substrate output from the second coating or printing unit to the electron beam irradiation zone, and which function to convey the substrate coated on the other side to the electron beam irradiation zone, in the process of which the coated side of the substrate faces upward;

the output side of the second guide roller is matched with the output side of the second guide roller so as to output the base material subjected to double-sided irradiation to a plurality of fourth transmission rollers 12 of the winding unit, the fourth transmission rollers are used for outputting the irradiated base material to the winding unit, and in the process, transmission and tension type transmission are carried out according to the spatial position of the winding unit through the fourth transmission rollers, so that the winding effectiveness is ensured;

the diameter of each guide roller is configured to be larger than that of each transmission roller, and the guide rollers can be configured to rotate independently under the action of a power mechanism in the process, and the transmission rollers have rotatability and can drive the base material to be conveyed under the rotation of the guide rollers, the first transmission roller and the second transmission roller as well as the third transmission roller and the fourth transmission roller are arranged in a staggered mode in space, and the distance between the base material in the transmission process is reduced through the staggered rollers, so that the layout in space is reduced.

In another example, the first coating unit and the second coating unit each include:

a first coating roller 13 and a second coating roller 14 which cooperate with coating;

and a first limiting roller 15 and a second limiting roller 16 which are arranged above the first coating roller and the second coating roller;

the unreeling unit, the first coating or printing unit, the first conducting unit, the second coating or printing unit, the second conducting unit and the reeling unit are connected and tensioned through a plurality of traction rollers 17, under the structure, each coating roller rotates under the action of a power mechanism, materials in a material pool in the coating unit are uniformly distributed on the coating roller in the rotating process, and the base material arranged between the coating roller and the limiting roller is coated on one side, close to the coating roller, of the base material in the rotating process of the coating roller, and the base material is always positioned above the traction rollers through the matching of the base material and the traction rollers, and in the opposite transmission process, the base material can be in a certain tensioning state through the design of angles, so that the stability and consistency of the subsequent coating, printing and reeling operations are ensured.

In another example, the EB irradiation unit is disposed in a shielded room (not shown), and further comprises a nitrogen protection unit coupled to the EB irradiation unit;

the nitrogen protection unit is configured to comprise two nitrogen output channels which are oppositely arranged in the irradiation area and are positioned above the substrate. The nitrogen output channels in the structure can be respectively arranged on a press plate 18 which is matched with each other, the length of the press plate is matched with one side of an irradiation area and the transverse width of a substrate, a main channel 19 for nitrogen to enter is arranged on the press plate, a first air channel 20 for outputting cooling nitrogen to an upper window film of an EB irradiation unit, a second air channel 21 for outputting nitrogen to the surface of the substrate, the first air channel is used for cooling the surface of the window film, the second air channel is used for forming an air curtain to prevent external oxygen from entering and influencing the irradiation effect, one side without the press plate can be used as an outlet of redundant nitrogen and an outlet of early oxygen to ensure the content of nitrogen in the second irradiation area and ensure the irradiation effect, and in the concrete implementation, the first air channel and the second air channel can be arranged into a fine slit or a plurality of air outlet holes which are arranged in small gaps, and the inlet port can set up in the clamp plate outside as required, the top, arbitrary one end in the below, but the preferred setting is in the outside, do not cause the influence to the height of second irradiation district, make equipment preparation and irradiation time can shorten, and the structure of main entrance can set up the rectangle as required, arbitrary one in circular or the dysmorphism, mainly can realize that nitrogen gas distributes and cooperate on one side of the irradiation district, in this scheme, because of adopted the mode of left and right sides irradiation, it only needs 1 set of nitrogen protection unit when in-service use, electron beam energy can be less than the upper and lower floor irradiation mode of prior art simultaneously, the energy consumption is lower, it is little to the substrate influence simultaneously, it is less to the thickness requirement of substrate.

A method of applying an EB double side irradiation system, comprising: the first guide roller and the second guide roller which are oppositely arranged enable the coating or printing surface of the base material to be distributed in the irradiation area in a left-right independent irradiation mode under the action of each coating or printing unit and each transmission roller, and double-side irradiation on the base material is achieved. In the scheme, the base material output by the unwinding unit is conveyed to the base material output by the first coating or printing unit through the traction roller, the coating or printing surface of the base material output by the first coating or printing unit is conveyed upwards to the direction of the first guide roller through the first conveying roller, and the coating or printing surface of the base material is positioned outside the first guide roller, namely the coating or printing surface faces the irradiation area), so that the coating or printing surface is subjected to front irradiation treatment in the left irradiation area under the rotation process of the first guide roller;

the base material after single-layer irradiation is output to a second coating or printing unit under the action of a second guide roller, after the other surface is coated or printed by the second coating or printing unit, the coated or printed surface is upwards transmitted to the second guide roller through a third transfer roller, and the coated or printed surface is positioned outside the third guide roller (namely the coated or printed surface faces to an irradiation area), so that the reverse irradiation treatment is carried out on the coated or printed surface in the right irradiation area in the rotation process of the first guide roller, and the rolling of the film material is completed under the matching of a fourth guide roller and a traction roller, so that the closed-loop operation of the basic double-surface coating or printing and irradiation is realized, in the scheme, because the two surfaces of the base material after coating or printing are arranged in the irradiation area in a left-right distribution manner, a left-right independent irradiation mode is formed, in the coating curing field, the method is also one device, solves the problems of two devices in the traditional mode, has controllable cost, and further has the advantages that after the front and the back of the base material are irradiated, the penetration depth of the same electron beam is 2.4 times of that of single-layer irradiation in the prior art, namely the penetration depth of the same energy is improved by 2.4 times relative to the same base material; furthermore, compared with the irradiation modes of the upper layer and the lower layer, the method has the advantages that when one device completes double-sided irradiation, only one layer of nitrogen protection is needed, the controllability of the nitrogen dosage is high, the cost is controllable, the left and right independent irradiation modes are used for molding the surface of the material, and compared with the irradiation modes of the upper layer and the lower layer, the requirement on the energy of the device is lower.

The above embodiments are merely illustrative of a preferred embodiment, but not limiting. When the invention is implemented, appropriate replacement and/or modification can be carried out according to the requirements of users.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.