CN114274658B - Overflow blocking type silk screen and PI film laminating device and method - Google Patents
Overflow blocking type silk screen and PI film laminating device and method Download PDFInfo
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- CN114274658B CN114274658B CN202111585585.4A CN202111585585A CN114274658B CN 114274658 B CN114274658 B CN 114274658B CN 202111585585 A CN202111585585 A CN 202111585585A CN 114274658 B CN114274658 B CN 114274658B
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Abstract
The invention discloses an overflow barrier type silk screen and PI film laminating device and a laminating method thereof, wherein the device comprises an upper flow blocking mechanism and a lower flow blocking mechanism; the invention can realize the stable bonding of the glue which is extruded and overflowed, when the PI film is extruded by the upper hot press plate, the glue which overflows from the periphery can not overflow to the periphery and enter the upper overflow ring groove because of the periphery separation of the upper flow resisting ring body, then the overflowed glue flows downwards slowly from the upper overflow ring groove, the overflowed glue flows downwards through the silk screen and then reaches the lower overflow ring groove, because of the periphery separation of the lower flow resisting ring body, the overflowed glue flows to the inner cross-connecting membrane strip, and finally the overflowed glue is solidified and connected between the cross-connecting membrane strip and the silk screen, thereby realizing the tight fixed connection and improving the connectivity of the PI film and the silk screen.
Description
Technical Field
The invention relates to an overflow barrier type silk screen and PI film laminating device and a laminating method thereof.
Background
The silk-screen printing technology is an ancient civilization, is a long-standing industry and is widely applied to the production and life of people. Particularly, in recent years, the electronic industry is highly developed, the screen printing process is well applied, vivid scenes appear, meanwhile, higher and higher requirements are provided for the requirements on the screen printing precision, and the development of the plate making industry and materials is promoted; the current printing half tone is in continuous progress, structure and technology are also in continuous upgrading, current printing half tone adopts PI membrane to replace traditional photosensitive glue, cover on the silk screen direct hot pressing after applying glue with the PI membrane, form the pattern that needs to print through direct carving to the PI membrane, but often can cause the removal of PI membrane and take place the fold when the hot pressboard is hot pressing PI membrane downwards, so make the hot pressing success rate low, in addition when the hot pressing laminating of PI membrane and silk screen, glue on the PI membrane can be gone out because the outside overflow all around of PI membrane is followed to pressure, make PI membrane and silk screen bond insecure, so make the reliability of structure poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the overflow blocking type silk screen and PI film laminating device and the method are firm in structure.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
an overflow blocking type silk screen and PI film laminating device comprises an upper hot pressing plate, a base positioning plate, a floating ejection plate, a driving mechanism, an upper flow blocking mechanism and a lower flow blocking mechanism; a floating ejector plate is arranged above the base positioning plate; a driving mechanism is arranged between the floating ejector plate and the base positioning plate; the driving mechanism comprises a driving rod; the driving rod is arranged in the middle of the base positioning plate; the driving rod drives the floating ejection plate to float up and down in a rotating mode; an upper flow choking mechanism is arranged on the periphery of the upper end of the base positioning plate; the upper flow resisting mechanism comprises an upper ring body, a bottom supporting rod, a rotating ring body and an upper flow resisting ring body; the upper ring body is arranged on the outer side of the periphery of the floating ejection plate; two sides of the lower end of the upper ring body are connected to two sides of the upper end of the base positioning plate through the bottom supporting rod; the periphery of the upper end of the upper ring body is screwed with a rotary ring body; the inner sides of the periphery of the rotating ring body are provided with upper choke ring bodies; the upper choke ring body floats up and down along with the rotation of the rotating ring body; the upper choke ring bodies are distributed on the periphery above the floating ejector plate; the upper hot pressing plate is arranged right above the floating ejection plate; the outer sides of the periphery of the floating ejection plate are provided with lower flow blocking mechanisms; the lower flow resisting mechanism comprises a lower flow resisting ring body, a lower extension ring body and a shifting block body; the outer side of the periphery of the floating ejection plate is provided with an inner threaded ring surface; the periphery of the lower end of the inner side thread ring surface is provided with a limiting abutting ring body; the inner sides of the periphery of the lower choke ring body are provided with outer thread ring surfaces; the lower choke ring body is screwed on the inner side thread ring surface on the outer side of the periphery of the floating ejection plate through the outer side thread ring surface; the periphery of the lower end of the lower flow choking ring body is provided with a lower extension ring body; and two sides of the lower end of the lower extension ring body are respectively provided with a shifting block body.
Furthermore, an annular groove is formed in the periphery of the upper end of the upper ring body; the outer sides of the periphery of the annular groove are provided with inner thread ring surfaces; the outer side of the periphery of the rotating ring body is provided with an external thread ring surface; the rotating ring body is screwed on the inner thread ring surface on the peripheral outer side of the annular groove through the outer thread ring surface on the peripheral outer side.
Furthermore, the driving mechanism also comprises an external thread rod, an internal thread cylinder, a floating guide rod and a positioning sleeve; two sides of the lower end of the floating ejection plate are respectively provided with a floating guide rod; two sides of the upper end of the base positioning plate are respectively provided with a positioning sleeve; the lower end of the floating guide rod is inserted into the upper end of the positioning sleeve in a sliding manner; an internal thread cylinder is arranged in the middle of the lower end of the floating ejection plate; the lower end of the internal thread cylinder is screwed with an external thread rod; the lower end of the external thread rod is connected with the upper end of the driving rod.
Furthermore, a rotary clamping groove is formed in the middle of the base positioning plate; a rotary clamping ring is arranged on the outer side of the periphery of the driving rod; the driving rod is rotatably clamped on a rotary clamping groove in the middle of the base positioning plate through rotary clamping rings on the outer sides of the periphery.
Furthermore, a polytetrafluoroethylene coating is arranged on the periphery of the lower end of the upper choke ring body.
Furthermore, two sides of the lower end of the base positioning plate are respectively provided with a supporting column.
A method for attaching an overflow barrier type silk screen and a PI film attaching device comprises the following steps: uniformly cutting a plurality of penetrating grooves in the peripheral outer side of a silk screen, shearing the peripheral outer side of a PI film to form a plurality of penetrating film strips in the peripheral outer side of the PI film, coating glue on one side surfaces of the PI film and the peripheral penetrating film strips, coating one side surface of the glue on the PI film in the middle of the upper end surface of the silk screen, respectively penetrating the penetrating film strips through the penetrating grooves, turning over and adhering the penetrating film strips to the lower side surface of the silk screen, placing the adhered silk screen and the PI film on the upper end of a floating ejection plate, rotating a rotating ring body to drive an upper choked flow ring body to downwards abut against the periphery of the upper end of the silk screen, and driving a lower choked flow ring body to upwards rotate by rotating a stirring block body so that the upper end of the lower choked flow ring body abuts against the periphery of the lower end of the silk screen to realize the positioning of the silk screen; an upper overflow ring groove is formed by enclosing the lower end of the inner side of the periphery of the upper choking ring body and the periphery of the upper end of the wire mesh, and a lower overflow ring groove is formed by enclosing the lower end of the inner side of the periphery of the lower choking ring body and the periphery of the upper end of the floating ejection plate; finally, the PI film and the cross-under film strip are both fixedly connected to the silk screen in a hot-pressing manner by the downward pressing of the upper hot-pressing plate; the PI film is extruded to be prevented from overflowing from the periphery due to the surrounding blockage of the upper flow choking ring body, the overflowing glue cannot overflow to the periphery and enter the upper overflow ring groove, then the overflowing glue slowly flows downwards from the upper overflow ring groove, the overflowing glue downwards passes through the silk screen and then reaches the lower overflow ring groove, due to the surrounding blockage of the lower flow choking ring body, the overflowing glue can flow to the inner cross-connection film strip, finally the overflowing glue is solidified and connected between the cross-connection film strip and the silk screen, the tight fixed connection is achieved, the connectivity of the PI film and the silk screen is improved, the rotary ring body is separated from the upper ring body in a rotating mode, the floating ejection plate is driven upwards by the rotary driving rod, and the silk screen and the PI film are moved upwards and taken out.
Further, three penetration grooves are respectively cut in the front, the rear, the left and the right of the silk screen; three cross-connecting film strips are respectively cut at the front, the back, the left and the right of the PI film; the positions of the cross-under film strips correspond to those of the cross-under grooves one by one respectively.
Further, the silk screen is made of one of stainless steel, tungsten steel, titanium, aluminum, copper and nickel.
The invention has the following beneficial effects:
1. the invention can realize stable bonding of the glue which is extruded and overflowed without waste, when the PI film is extruded by the upper hot press plate, the overflowed glue cannot overflow to the periphery and enter the upper overflow ring groove due to the peripheral obstruction of the upper flow-resisting ring body, then the overflowed glue slowly flows downwards from the upper overflow ring groove, the overflowed glue downwards passes through the silk screen and then reaches the lower overflow ring groove, the overflowed glue flows to the inner cross-connecting membrane strip due to the peripheral obstruction of the lower flow-resisting ring body, and finally the overflowed glue is solidified and connected between the cross-connecting membrane strip and the silk screen, so that tight fixed connection is realized, and the connectivity of the PI film and the silk screen is improved.
2. According to the invention, a plurality of penetrating grooves are uniformly cut on the peripheral outer side of the silk screen, a plurality of penetrating membrane strips on the peripheral outer side of the PI membrane are formed by cutting the peripheral outer side of the PI membrane, so that one side surface of the PI membrane coated with glue is covered in the middle of the upper end surface of the silk screen, and simultaneously the penetrating membrane strips respectively penetrate through the penetrating grooves, are turned over and are attached to the lower side surface of the silk screen for bonding, so that a reinforced positioning mechanism is formed between the PI membrane and the silk screen, and the PI membrane cannot move and wrinkle during hot pressing.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged structural schematic diagram of an upper flow blocking mechanism and a lower flow blocking mechanism of the invention.
Fig. 3 is a partially enlarged structural schematic diagram of the driving mechanism of the present invention.
Fig. 4 is a schematic diagram of the separation structure of the silk screen and the PI membrane of the present invention.
Fig. 5 is a schematic structural view of the bonding of the silk screen and the PI film of the present invention.
FIG. 6 is a schematic top view of the PI film and the cross-under film strip of the present invention.
Fig. 7 is a schematic top view of the screen and the through-connection slots of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, an overflow barrier type silk screen and PI film bonding device includes an upper hot press plate 4, a base positioning plate 1, a floating ejector plate 5, a driving mechanism 3, an upper flow blocking mechanism 3, and a lower flow blocking mechanism 8; a floating ejection plate 5 is arranged above the base positioning plate 1; a driving mechanism 3 is arranged between the floating ejection plate 5 and the base positioning plate 1; the drive mechanism 3 includes a drive rod 31; the driving rod 31 is arranged in the middle of the base positioning plate 1; the driving rod 31 drives the floating ejection plate 5 to float up and down in a rotating mode; the periphery of the upper end of the base positioning plate 1 is provided with an upper flow resisting mechanism 2; the upper choke mechanism 2 comprises an upper ring body 22, a bottom support rod 21, a rotating ring body 23 and an upper choke ring body 24; the upper ring body 22 is arranged on the outer side of the periphery of the floating ejection plate 5; the two sides of the lower end of the upper ring body 22 are connected with the two sides of the upper end of the base positioning plate 1 through the bottom supporting rod 21; the periphery of the upper end of the upper ring body 22 is screwed with a rotary ring body 23; the inner sides of the periphery of the rotating ring body 23 are provided with upper choke ring bodies 24; the upper choke ring body 24 rotates along with the rotating ring body 23 and floats up and down; the upper choke ring body 24 is distributed around the upper part of the floating ejection plate 4; the upper hot pressing plate 4 is arranged right above the floating ejection plate 5; the lower flow blocking mechanisms 8 are arranged on the outer sides of the peripheries of the floating ejection plates 5; the lower choke mechanism 8 comprises a lower choke ring body 81, a lower extension ring body 82 and a toggle block body 83; the outer side of the periphery of the floating ejector plate 5 is provided with an inner threaded ring surface; the periphery of the lower end of the inner side thread ring surface is provided with a limiting abutting ring body 58; the inner sides of the periphery of the lower choke ring body 81 are provided with outer thread ring surfaces; the lower choke ring body 81 is screwed on the inner side thread ring surface on the outer side of the periphery of the floating ejection plate 5 through the outer side thread ring surface; a lower extension ring body 82 is arranged around the lower end of the lower choke ring body 81; two sides of the lower end of the lower extension ring 82 are respectively provided with a toggle block 83.
As shown in fig. 1 to 7, further, an annular groove 221 is formed around the upper end of the upper ring body 22; the outer sides of the periphery of the annular groove 221 are provided with inner thread ring surfaces; the outer side of the periphery of the rotating ring body 23 is provided with an external thread ring surface; the rotating ring body 23 is screwed on the inner thread ring surface of the peripheral outer side of the ring-shaped groove 221 through the outer thread ring surface of the peripheral outer side. Further, the driving mechanism 3 further comprises an external thread rod 32, an internal thread cylinder 35, a floating guide rod 33 and a positioning sleeve 34; two sides of the lower end of the floating ejection plate 5 are respectively provided with a floating guide rod 33; two sides of the upper end of the base positioning plate 1 are respectively provided with a positioning sleeve 34; the lower end of the floating guide rod 33 is inserted in the upper end of the positioning sleeve 34 in a sliding manner; an internal thread cylinder 35 is arranged in the middle of the lower end of the floating ejection plate 5; the lower end of the internal thread cylinder 35 is screwed with an external thread rod 32; the lower end of the male screw rod 32 is connected to the upper end of the driving rod 31. Further, a rotary clamping groove 12 is arranged in the middle of the base positioning plate 1; a rotary clamping ring 311 is arranged on the outer side of the periphery of the driving rod 31; the driving rod 31 is rotatably clamped in the rotary clamping groove 12 in the middle of the base positioning plate 1 through the rotary clamping ring 311 on the outer side of the periphery. Further, a polytetrafluoroethylene coating is arranged around the lower end of the upper choke ring body 24. Furthermore, two sides of the lower end of the base positioning plate 1 are respectively provided with a support column 11.
As shown in fig. 1 to 7, a method for attaching an overflow barrier type silk screen to a PI film attaching apparatus includes the following steps: uniformly cutting a plurality of penetrating grooves 61 on the outer side of the periphery of the silk screen 6, shearing the outer side of the periphery of the PI film 7 to form a plurality of penetrating film strips 71 on the outer side of the periphery of the PI film 7, coating glue on one side surfaces of the PI film 7 and the penetrating film strips 71 on the periphery, coating the glue on the PI film 7 on one side surface to cover the middle of the upper end surface of the silk screen 6, respectively penetrating the penetrating film strips 71 through the penetrating grooves 61, turning over and adhering to the lower side surface of the silk screen 6 for adhesion, placing the adhered silk screen 6 and the PI film 7 on the upper end of the floating ejection plate 5, rotating the rotating ring body 23 to drive the upper flow blocking ring body 24 to downwards abut against the periphery of the upper end of the silk screen 6, and rotating the stirring block body 83 to drive the lower flow blocking ring body 81 to upwards rotate so that the upper end of the lower flow blocking ring body 81 abuts against the periphery of the lower end of the silk screen 6 to realize the positioning of the silk screen 6; the lower end of the inner side of the periphery of the upper choke ring body 24 and the periphery of the upper end of the screen 6 form an upper overflow ring groove 241, and the lower end of the inner side of the periphery of the lower choke ring body 81 and the periphery of the upper end of the floating ejection plate 5 form a lower overflow ring groove 811; finally, the PI film 7 and the through connection film 71 are fixedly connected to the silk screen 6 through uniform heating and pressing by the upper hot pressing plate 4; the PI film is extruded, the glue overflowing from the periphery is prevented from overflowing to the periphery and entering the upper overflow ring groove 241 due to the fact that the periphery of the upper flow blocking ring body 24 is blocked, then the overflowing glue slowly flows downwards from the upper overflow ring groove 241 and reaches the lower overflow ring groove 811 after passing through the silk screen 6 downwards, due to the fact that the periphery of the lower flow blocking ring body 811 is blocked, the overflowing glue can flow towards the inner cross-connection film strip 71, finally the overflowing glue is solidified and connected between the cross-connection film strip 71 and the silk screen 6, tight fixed connection is achieved, connectivity of the PI film 7 and the silk screen 6 is improved, the rotating ring body 23 is separated from the upper ring body 22 in a rotating mode, the floating ejection plate 5 is driven upwards by the rotating driving rod 31, and the silk screen 6 and the PI film 7 are moved upwards and taken out.
As shown in fig. 1 to 7, it is further preferable that three penetration grooves 61 are respectively cut on the front, rear, left, right, and periphery of the screen 6; three cross-connecting film strips 71 are respectively cut from the front, the back, the left and the right of the PI film 7; the positions of the cross-connecting membrane strips 71 and the positions of the cross-connecting grooves 61 are respectively in one-to-one correspondence. Further, the screen 6 is made of one of stainless steel, tungsten steel, titanium, aluminum, copper and nickel.
According to the invention, the glue which is extruded and overflowed can be firmly bonded without waste, when the upper end surface of the PI film 7 is extruded by the upper hot pressing plate 4, the glue which overflows from the periphery is prevented from overflowing to the periphery and entering the upper overflow ring groove 241 due to the peripheral obstruction of the upper flow-resisting ring body 24, then the overflowed glue flows downwards and slowly from the upper overflow ring groove 241, the overflowed glue flows downwards to the lower overflow ring groove 811 after passing through the silk screen 6, the overflowed glue flows to the inner side of the cross-connecting film strip 71 due to the peripheral obstruction of the lower flow-resisting ring body 811, and finally the overflowed glue is solidified and connected between the cross-connecting film strip 71 and the silk screen 6, so that tight fixed connection is realized, and the connectivity of the PI film 7 and the silk screen 6 is improved.
According to the invention, a plurality of penetrating grooves 61 are uniformly cut on the outer side of the periphery of the silk screen 6, and a plurality of penetrating film strips 71 on the outer side of the periphery of the PI film are formed by cutting the outer side of the periphery of the PI film 7, so that the PI film 7 is coated with glue, one side surface of the PI film is covered in the middle of the upper end surface of the silk screen 6, and meanwhile, the penetrating film strips 71 respectively penetrate through the penetrating grooves 61 and are attached to the lower side surface of the silk screen 6 for bonding after being turned over, so that a reinforced positioning mechanism is formed between the PI film 7 and the silk screen 6, and the PI film 7 is prevented from moving and wrinkling during hot pressing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A method for attaching an overflow barrier type silk screen and a PI film attaching device comprises an upper hot pressing plate, a base positioning plate, a floating ejection plate, a driving mechanism, an upper flow blocking mechanism and a lower flow blocking mechanism; a floating ejection plate is arranged above the base positioning plate; a driving mechanism is arranged between the floating ejector plate and the base positioning plate; the driving mechanism comprises a driving rod; the driving rod is arranged in the middle of the base positioning plate; the driving rod drives the floating ejection plate to float up and down in a rotating mode; an upper flow choking mechanism is arranged on the periphery of the upper end of the base positioning plate; the upper flow resisting mechanism comprises an upper ring body, a bottom supporting rod, a rotating ring body and an upper flow resisting ring body; the upper ring body is arranged on the outer side of the periphery of the floating ejection plate; the two sides of the lower end of the upper ring body are connected with the two sides of the upper end of the base positioning plate through the bottom supporting rods; the periphery of the upper end of the upper ring body is screwed with a rotary ring body; the inner sides of the periphery of the rotating ring body are provided with upper choke ring bodies; the upper choke ring body floats up and down along with the rotation of the rotating ring body; the upper choke ring bodies are distributed on the periphery above the floating ejector plate; the upper hot pressing plate is arranged right above the floating ejection plate; a lower flow resisting mechanism is arranged on the outer side of the periphery of the floating ejection plate; the lower flow resisting mechanism comprises a lower flow resisting ring body, a lower extension ring body and a shifting block body; the outer sides of the periphery of the floating ejection plate are provided with inner side thread ring surfaces; the periphery of the lower end of the inner side thread ring surface is provided with a limiting abutting ring body; the inner sides of the periphery of the lower choke ring body are provided with outer thread ring surfaces; the lower choke ring body is screwed on the inner side thread ring surface on the outer side of the periphery of the floating ejection plate through the outer side thread ring surface; a lower extension ring body is arranged around the lower end of the lower choke ring body; two sides of the lower end of the lower extension ring body are respectively provided with a shifting block body; the method is characterized by comprising the following steps: uniformly cutting a plurality of penetrating grooves in the peripheral outer side of a silk screen, shearing the peripheral outer side of a PI film to form a plurality of penetrating film strips in the peripheral outer side of the PI film, coating glue on one side surfaces of the PI film and the peripheral penetrating film strips, coating one side surface of the glue on the PI film in the middle of the upper end surface of the silk screen, respectively penetrating the penetrating film strips through the penetrating grooves, turning over and adhering the penetrating film strips to the lower side surface of the silk screen, placing the adhered silk screen and the PI film on the upper end of a floating ejection plate, rotating a rotating ring body to drive an upper choked flow ring body to downwards abut against the periphery of the upper end of the silk screen, and driving a lower choked flow ring body to upwards rotate by rotating a stirring block body so that the upper end of the lower choked flow ring body abuts against the periphery of the lower end of the silk screen to realize the positioning of the silk screen; the lower end of the inner side of the periphery of the upper choking ring body and the periphery of the upper end of the wire mesh are enclosed to form an upper overflow ring groove, and the lower end of the inner side of the periphery of the lower choking ring body and the periphery of the upper end of the floating ejection plate are enclosed to form a lower overflow ring groove; finally, the PI film and the cross-under film strip are both fixedly connected to the silk screen in a hot-pressing manner by the upper hot-pressing plate; the PI membrane receives the extrusion and because the glue that overflows all around separates around the upper flow-resisting ring body, make the glue that overflows can not go out and get into in the upper overflow ring groove to overflow all around, then the glue that overflows flows slowly downwards from the upper overflow ring groove, the glue of overflow reaches overflow ring groove down after downwards passing through the silk screen, because the separation all around of lower flow-resisting ring body, make and overflow glue and can flow to the inside cross-under membrane strip department, finally make the glue solidification of overflow connect between cross-under membrane strip and silk screen, realize inseparable fixed connection, improve the connectivity of PI membrane and silk screen, will rotate the ring body and follow the rotatory separation of upper portion ring body, the rotatory actuating lever will float the liftout plate upwards drive, make silk screen and PI membrane rebound take out.
2. The attaching method of the overflow barrier type silk screen and PI film attaching device of claim 1, wherein an annular groove is formed around the upper end of the upper ring body; the outer sides of the periphery of the annular groove are provided with inner thread ring surfaces; the outer side of the periphery of the rotating ring body is provided with an external thread ring surface; the rotating ring body is screwed on the inner thread ring surface on the peripheral outer side of the annular groove through the outer thread ring surface on the peripheral outer side.
3. The method of claim 1, wherein the driving mechanism further comprises an external threaded rod, an internal threaded cylinder, a floating guide rod, and a positioning sleeve; two sides of the lower end of the floating ejection plate are respectively provided with a floating guide rod; two sides of the upper end of the base positioning plate are respectively provided with a positioning sleeve; the lower end of the floating guide rod is inserted into the upper end of the positioning sleeve in a sliding manner; an internal thread cylinder is arranged in the middle of the lower end of the floating ejection plate; the lower end of the internal thread cylinder is screwed with an external thread rod; the lower end of the external thread rod is connected to the upper end of the driving rod.
4. The method according to claim 3, wherein a rotary clamping groove is formed in the middle of the base positioning plate; a rotary clamping ring is arranged on the outer side of the periphery of the driving rod; the driving rod is rotatably clamped on a rotary clamping groove in the middle of the base positioning plate through rotary clamping rings on the outer sides of the periphery.
5. The method for adhering the overflow barrier type silk screen and the PI film adhering device according to claim 1, wherein a polytetrafluoroethylene coating is arranged on the periphery of the lower end of the upper choke ring body.
6. The method of claim 1, wherein two support posts are respectively disposed on two sides of the lower end of the base positioning plate.
7. The attaching method of the overflow barrier type silk screen and the PI film attaching device as claimed in claim 1, wherein three through grooves are respectively cut on the front, back, left, right and periphery of the silk screen; three cross-connecting film strips are respectively cut from the front, the back, the left and the right of the PI film; the positions of the cross-under film strips correspond to those of the cross-under grooves one by one respectively.
8. The method of claim 1, wherein the screen is made of one of stainless steel, tungsten steel, titanium, aluminum, copper, and nickel.
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| CN202111585585.4A CN114274658B (en) | 2021-12-22 | 2021-12-22 | Overflow blocking type silk screen and PI film laminating device and method |
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