CN113352727B - PC film and back adhesive precise laminating device and laminating method - Google Patents
PC film and back adhesive precise laminating device and laminating method Download PDFInfo
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- CN113352727B CN113352727B CN202110917156.6A CN202110917156A CN113352727B CN 113352727 B CN113352727 B CN 113352727B CN 202110917156 A CN202110917156 A CN 202110917156A CN 113352727 B CN113352727 B CN 113352727B
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- film
- pressing roller
- gum
- lower pressing
- roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1825—Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
- B32B38/1833—Positioning, e.g. registration or centering
- B32B38/1841—Positioning, e.g. registration or centering during laying up
Abstract
The invention discloses a PC film and gum precise laminating device and method, wherein the method comprises the following steps: A. placing the gum coiled material on a first discharging shaft, and placing the PC film coiled material on a second discharging shaft; B. adjusting the upper pressing roller upwards to enlarge the gap between the upper pressing roller and the lower pressing roller, drawing the back glue and the PC film to pass through the gap, and positioning the back glue and the PC film by positioning beads through positioning holes in the back glue and the PC film; C. the upper pressing roller is adjusted downwards to reduce the gap between the upper pressing roller and the lower pressing roller, so that the back glue and the PC film are tightly pressed by the upper pressing roller and the lower pressing roller; D. go up the compression roller and rotate with lower compression roller, carry out the pressfitting to gum and PC film, pull gum and PC film forward motion simultaneously, spring plunger is before last compression roller and lower compression roller carry out the pressfitting to PC film and gum, through locating ball and locating hole cooperation, counterpoints PC film and gum. The invention has the advantages of reasonable structure, high alignment precision and high laminating efficiency.
Description
Technical Field
The invention relates to the technical field of gum laminating, in particular to a PC film and gum precise laminating device and a laminating method.
Background
When the product is pasting the gum, often can meet the problem of how to counterpoint, current product when pasting the back, need use the mould to realize counterpointing of gum and product usually to realize the laminating of gum and product through the mould. This kind of processing mode needs specific mould to the mould opens and shuts once and can only laminate a product, and need place the product in the mould and take out, and the process is loaded down with trivial details, leads to machining efficiency low. Especially when the product is a PC film, the conventional mold cannot be applied because the product has flexibility. Therefore, how to realize the precise fit of the PC film and the back adhesive is always a difficult problem in the industry.
Disclosure of Invention
The invention aims to provide a PC film and gum precise bonding method which is reasonable in structure, high in alignment precision and high in production efficiency.
In order to solve the problems, the invention provides a PC film and gum precise laminating device, which comprises a rack, wherein the rack is provided with:
the first discharging shaft is used for discharging back glue, and the back glue is substrate-free back glue;
the second discharging shaft is used for discharging the PC film; positioning holes are arranged on the PC film and the back adhesive at equal intervals along the length direction;
the pressing mechanism comprises an upper pressing roller and a lower pressing roller which are matched with each other to perform pressing, two groups of spring plungers are arranged on the lower pressing roller along the circumferential direction, the spring plungers in the two groups are arranged in a one-to-one correspondence mode, a plurality of spring plungers in each group of spring plungers are arranged at equal intervals along the circumferential direction of the lower pressing roller, the spring plungers are used for aligning the PC film and the gum through matching of positioning beads and the positioning holes before the PC film and the gum are pressed by the upper pressing roller and the lower pressing roller, the aligned PC film and the gum are transmitted between the upper pressing roller and the lower pressing roller, and the positioning beads which move to the topmost end are driven by the lower pressing roller to retract into the cavity under the action of the upper pressing roller.
As a further improvement of the invention, the laminating machine further comprises a first adjusting roller and a second adjusting roller, the back glue and the PC film enter the laminating mechanism through the first adjusting roller and the second adjusting roller respectively, and the first adjusting roller and the second adjusting roller adjust the angle of the back glue and the PC film entering the laminating mechanism, so that before laminating, the PC film and the back glue are wound on the lower pressing roller, and before winding, at least two positioning beads align the PC film and the back glue.
As a further improvement of the invention, the PC film and the gum are provided with deviation angles before being wound, so that the positioning beads can sequentially pass through the gum and the positioning holes on the PC film to align the gum and the PC film.
As a further improvement of the invention, the deviation angle is 5-20 degrees.
As a further improvement of the invention, each group of spring plungers comprises N spring plungers, the center distance between two adjacent positioning holes along the length direction is a, and the radius of the lower pressing roller isR, is
；N≥4。
As a further improvement of the invention, N is more than or equal to 6.
As a further improvement of the invention, the die-cutting mechanism is further included and is used for die-cutting the attached PC film and the back adhesive to cut out products.
As a further improvement of the invention, the waste collecting shaft is also included, and the waste collecting shaft collects waste generated by the die cutting.
The invention also provides a PC film and gum precise bonding method, which is applied to any one of the PC film and gum precise bonding devices and comprises the following steps:
A. placing the gum coiled material on a first discharging shaft, and placing the PC film coiled material on a second discharging shaft;
B. adjusting the upper pressing roller upwards to enlarge a gap between the upper pressing roller and the lower pressing roller, drawing the back glue and the PC film to pass through the gap, and enabling the positioning beads to pass through positioning holes in the back glue and the PC film to position the back glue and the PC film;
C. the upper pressing roller is adjusted downwards to reduce the gap between the upper pressing roller and the lower pressing roller, so that the upper pressing roller and the lower pressing roller tightly press the back glue and the PC film;
D. the upper pressing roller and the lower pressing roller rotate to press the back glue and the PC film, the back glue and the PC film are simultaneously pulled to move forwards, the spring plunger is matched with the positioning hole through the positioning beads before the upper pressing roller and the lower pressing roller press the PC film and the back glue, the PC film and the back glue are aligned, and the aligned PC film and the back glue are transmitted between the upper pressing roller and the lower pressing roller.
As a further improvement of the invention, after the step C and before the step D, the method further comprises the following steps:
and adjusting the heights of the first adjusting roller and the second adjusting roller, and further adjusting the angle of the back adhesive and the PC film entering the pressing mechanism, so that the PC film and the back adhesive are wound on the lower pressing roller before pressing, and at least two positioning beads align the PC film and the back adhesive before winding.
The invention has the beneficial effects that:
according to the PC film and gum precise laminating device and method, the PC film and the gum are laminated in a rolling mode, the laminating efficiency can be effectively improved, and products can be cut out in die cutting and other modes after lamination. The spring plunger is arranged on the lower pressing roller, the PC film and the back glue are aligned through the matching of the positioning balls and the positioning holes before the PC film and the back glue are pressed by the upper pressing roller and the lower pressing roller, and the aligned PC film and the aligned back glue are transmitted between the upper pressing roller and the lower pressing roller, so that the PC film and the back glue are accurately aligned during pressing; meanwhile, the spring plunger can be prevented from being in hard contact with the PC film and the gum, and the positioning beads moving to the topmost end can be retracted into the cavity under the action of the upper pressing roller, so that the influence of the spring plunger on normal pressing is avoided.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a PC film and back adhesive precise bonding apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the combination of the back adhesive, the upper pressure roller and the lower pressure roller in the embodiment of the invention;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2 in a current state;
fig. 4 is a cross-sectional view along a-a of fig. 2 in a next state.
Description of the labeling: 100. a frame; 1. positioning holes; 2. a first regulating roller; 3. a second dancer roll; 4. a winding area; 10. a first discharge shaft; 11. carrying out gum application; 20. a second discharge shaft; 21. a PC film; 30. a pressing mechanism; 31. an upper compression roller; 32. a lower pressing roller; 33. a spring plunger; 40. a die-cutting mechanism; 50. and (5) waste collection shaft.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
As shown in fig. 1-2, the PC film and back adhesive precise bonding apparatus according to the preferred embodiment of the present invention includes a frame 100, and the frame 100 is provided with a first discharging shaft 10, a second discharging shaft 20 and a pressing mechanism 30.
First blowing axle 10 is used for putting gum 11, and gum 11 is for not having substrate gum 11, and second blowing axle 20 is used for putting PC film 21, all has along length direction equidistant preset locating hole 1 on PC film 21 and the gum 11, and locating hole 1 on PC film 21 and the gum 11 all is provided with two sets ofly, and PC film 21 and the both sides and the one-to-one setting of gum 11 are located respectively to two sets of locating hole 1. Namely, the distance between two adjacent positioning holes 1 along the length direction of the PC film 21 and the back adhesive 11 is constant, and the distance between two adjacent positioning holes 1 along the width direction is also constant.
The pressing mechanism 30 comprises an upper pressing roller 31 and a lower pressing roller 32 which are matched with each other to perform pressing, two groups of spring plungers are arranged on the lower pressing roller 32 along the circumferential direction, the spring plungers 33 in the two groups are arranged in a one-to-one correspondence mode, the space between the two groups of spring plungers 33 is matched with the space between the two groups of positioning holes 1, and the spring plungers 33 in each group of spring plungers are arranged at equal intervals along the circumferential direction of the lower pressing roller 32.
The spring plunger 33 is used for aligning the PC film 21 and the back glue 11 through the cooperation of the positioning beads and the positioning holes 1 before the PC film 21 and the back glue 11 are pressed by the upper pressing roller 31 and the lower pressing roller 32, transmitting the aligned PC film 21 and the aligned back glue 11 to a position between the upper pressing roller 31 and the lower pressing roller 32, and retracting the positioning beads moving to the topmost end into the cavity under the action of the upper pressing roller 31 under the driving of the lower pressing roller 32.
The diameter of the exposed part of the positioning bead is matched with that of the positioning hole 1, and preferably, the diameter of the exposed part of the positioning bead is slightly larger than that of the positioning hole 1, so that the positioning precision can be ensured. Meanwhile, the volume of the exposed part of the positioning bead is more than one third of the total volume of the positioning bead. Theoretically, the closer the volume of the exposed part of the positioning bead is to half of the total volume of the positioning bead, the better the matching between the positioning bead and the positioning hole 1 is, the better the positioning effect is.
The PC film and gum precise laminating device disclosed by the invention realizes the lamination of the PC film 21 and the gum 11 in a rolling mode, can effectively improve the laminating efficiency, and can cut out products in modes of die cutting and the like after lamination.
According to the invention, the spring plunger 33 is arranged on the lower pressing roller 32, the PC film 21 and the back glue 11 are aligned through the matching of the positioning beads and the positioning holes 1 before the PC film 21 and the back glue 11 are pressed by the upper pressing roller 31 and the lower pressing roller 32, and the aligned PC film 21 and the aligned back glue 11 are transmitted between the upper pressing roller 31 and the lower pressing roller 32, so that the PC film 21 and the back glue 11 are accurately aligned during pressing.
The spring plunger 33 can avoid hard contact with the PC film 21 and the gum 11, and the positioning ball which moves to the topmost end can be retracted into the cavity under the action of the upper pressing roller 31, so that the spring plunger 33 is prevented from influencing normal pressure.
Wherein, each group of spring plunger piston comprises N spring plunger pistons 33, the center distance between two adjacent positioning holes 1 along the length direction is a, the radius of the lower pressure roller 32 is R, and the requirements of
(ii) a N is more than or equal to 4. Preferably, N.gtoreq.6, ensures that at any one time, at least one pair of spring plungers 33 are located in the positioning holes 1 on the PC film 21 and the back adhesive 11.
In some embodiments, the apparatus further includes a first adjusting roller 2 and a second adjusting roller 3, the back adhesive 11 and the PC film 21 enter the pressing mechanism 30 through the first adjusting roller 2 and the second adjusting roller 3, respectively, and the first adjusting roller 2 and the second adjusting roller 3 adjust the angle at which the back adhesive 11 and the PC film 21 enter the pressing mechanism 30, so that before pressing, the PC film 21 and the back adhesive 11 are wound on the lower pressing roller 32, and before winding, at least two (i.e., a pair with the same height) positioning beads align the PC film 21 and the back adhesive 11.
As shown in fig. 3, the PC film 21 and the back adhesive 11 are provided with a deviation angle α before being wound, so that the positioning beads can sequentially pass through the positioning holes 1 on the back adhesive 11 and the PC film 21 to align the back adhesive 11 and the PC film 21. During positioning, the positioning column firstly passes through the positioning hole 1 on the back adhesive 11 and then passes through the positioning hole 1 on the PC film 21, the back adhesive 11 and the PC film 21 are precisely aligned in sequence, the precisely aligned PC film 21 and the back adhesive 11 are wound on the lower pressing roller 32, at this time, due to the viscosity of the back adhesive 11, the back adhesive 11 and the PC film 21 are pre-bonded, and then the pre-bonded back adhesive 11 and the PC film 21 are pressed through the matching of the upper pressing roller 31 and the lower pressing roller 32. Preferably, the deviation angle α is 5-20 degrees.
FIG. 3 is the current state of FIG. 2, where one pair of spring plungers 33 is moving to the top end, and the next pair of spring plungers 33 is passing through positioning holes 1 on the back adhesive 11 and the PC film 21 to position the back adhesive 11 and the PC film 21; in the next state, as shown in fig. 4, the next pair of spring plungers 33 has already positioned the back adhesive 11 and the PC film 21 and is located in the winding area 4 of the lower pressure roller 32, and at this time, the next pair of spring plungers 33 has just entered the positioning hole 1 in the back adhesive 11.
In other embodiments, the apparatus further comprises a die cutting mechanism 40 for die cutting the attached PC film 21 and adhesive backing 11 to cut out the product. Preferably, the die-cutting mechanism 40 can be die-cut by a circular knife, and the specific structure is not described in detail. Further, the device also comprises a waste collecting shaft 50, and the waste collecting shaft 50 collects waste generated by the die cutting.
The preferred embodiment of the invention also discloses a precise gluing method of the PC film 21 and the back glue 11, which is applied to the precise gluing device of the PC film and the back glue in the embodiment, and the method comprises the following steps:
A. placing a back adhesive 11 coiled material on a first discharging shaft 10, and placing a PC film 21 coiled material on a second discharging shaft 20;
B. adjusting the upper pressing roller 31 upwards to enlarge the gap between the upper pressing roller 31 and the lower pressing roller 32, drawing the back glue 11 and the PC film 21 to pass through the gap, and positioning the back glue 11 and the PC film 21 by positioning beads through the positioning holes 1 on the back glue 11 and the PC film 21;
C. the upper pressure roller 31 is adjusted downwards to make the gap between the upper pressure roller 31 and the lower pressure roller 32 smaller, so that the upper pressure roller 31 and the lower pressure roller 32 press the gum 11 and the PC film 21 tightly;
D. the upper pressing roller 31 and the lower pressing roller 32 rotate to press the back adhesive 11 and the PC film 21, meanwhile, the back adhesive 11 and the PC film 21 are pulled to move forwards, and the spring plunger 33 is matched with the positioning hole 1 through the positioning beads before the upper pressing roller 31 and the lower pressing roller 32 press the PC film 21 and the back adhesive 11, so that the PC film 21 and the back adhesive 11 are aligned, and the aligned PC film 21 and the aligned back adhesive 11 are transmitted between the upper pressing roller 31 and the lower pressing roller 32.
In some embodiments, after step C and before step D, the following steps are further included:
the heights of the first adjusting roller 2 and the second adjusting roller 3 are adjusted, and then the angles of the back adhesive 11 and the PC film 21 entering the pressing mechanism 30 are adjusted, so that before pressing, the PC film 21 and the back adhesive 11 are wound on the lower pressing roller 32, and before winding, at least two positioning beads align the PC film 21 and the back adhesive 11.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. The utility model provides a PC film and accurate laminating device of gum which characterized in that, includes the frame, be equipped with in the frame:
the first discharging shaft is used for discharging back glue, and the back glue is substrate-free back glue;
the second discharging shaft is used for discharging the PC film; positioning holes are arranged on the PC film and the back adhesive at equal intervals along the length direction;
the pressing mechanism comprises an upper pressing roller and a lower pressing roller which are matched with each other for pressing, two groups of spring plungers are arranged on the lower pressing roller along the circumferential direction, the spring plungers in the two groups are arranged in a one-to-one correspondence mode, a plurality of spring plungers in each group of spring plungers are arranged at equal intervals along the circumferential direction of the lower pressing roller, the spring plungers are used for aligning the PC film and the gum through matching of positioning beads and the positioning holes before the PC film and the gum are pressed by the upper pressing roller and the lower pressing roller, the aligned PC film and the gum are transmitted between the upper pressing roller and the lower pressing roller, and the positioning beads which move to the topmost end are driven by the lower pressing roller to retract into the cavity under the action of the upper pressing roller;
the laminating mechanism comprises a lower pressing roller, a first adjusting roller and a second adjusting roller, wherein the lower pressing roller is used for pressing the back glue and the PC film, the first adjusting roller and the second adjusting roller are respectively used for adjusting the angle of the back glue and the PC film entering the laminating mechanism, so that the PC film and the back glue are wound on the lower pressing roller before laminating, and at least two positioning beads align the PC film and the back glue before winding;
each group of spring plungers comprises N spring plungers, the central distance between every two adjacent positioning holes in the length direction is a, the radius of the lower pressing roller is R, and the requirement of meeting the requirement of the lower pressing roller is met
N≥4。
2. The PC film and gum precise laminating device of claim 1, wherein the PC film and the gum are provided with a deviation angle before being wound, so that the positioning beads can sequentially pass through the positioning holes on the gum and the PC film to align the gum and the PC film.
3. The PC film-adhesive backing precision laminating apparatus of claim 2, wherein the deviation angle is 5-20 degrees.
4. The PC film and gum precise laminating device of claim 1, wherein N is more than or equal to 6.
5. The apparatus for precisely laminating a PC film and a backing adhesive according to claim 1, further comprising a die-cutting mechanism for die-cutting the laminated PC film and backing adhesive to cut out a product.
6. The PC film and gum precise laminating device of claim 5, further comprising a waste collecting shaft, wherein the waste collecting shaft collects waste generated by the die cutting.
7. A PC film and gum precise bonding method is applied to the PC film and gum precise bonding device of any one of claims 1-6, and is characterized by comprising the following steps:
A. placing the gum coiled material on a first discharging shaft, and placing the PC film coiled material on a second discharging shaft;
B. adjusting the upper pressing roller upwards to enlarge a gap between the upper pressing roller and the lower pressing roller, drawing the back glue and the PC film to pass through the gap, and enabling the positioning beads to pass through positioning holes in the back glue and the PC film to position the back glue and the PC film;
C. the upper pressing roller is adjusted downwards to reduce the gap between the upper pressing roller and the lower pressing roller, so that the upper pressing roller and the lower pressing roller tightly press the back glue and the PC film;
D. the upper pressing roller and the lower pressing roller rotate to press the back glue and the PC film, the back glue and the PC film are simultaneously pulled to move forwards, the spring plunger is matched with the positioning hole through the positioning beads before the upper pressing roller and the lower pressing roller press the PC film and the back glue, the PC film and the back glue are aligned, and the aligned PC film and the back glue are transmitted between the upper pressing roller and the lower pressing roller.
8. The method for precisely adhering the PC film to the back adhesive according to claim 7, wherein after the step C and before the step D, the method further comprises the following steps:
and adjusting the heights of the first adjusting roller and the second adjusting roller, and further adjusting the angle of the back adhesive and the PC film entering the pressing mechanism, so that the PC film and the back adhesive are wound on the lower pressing roller before pressing, and at least two positioning beads align the PC film and the back adhesive before winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110917156.6A CN113352727B (en) | 2021-08-11 | 2021-08-11 | PC film and back adhesive precise laminating device and laminating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110917156.6A CN113352727B (en) | 2021-08-11 | 2021-08-11 | PC film and back adhesive precise laminating device and laminating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113352727A CN113352727A (en) | 2021-09-07 |
| CN113352727B true CN113352727B (en) | 2021-11-02 |
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| CN202110917156.6A Active CN113352727B (en) | 2021-08-11 | 2021-08-11 | PC film and back adhesive precise laminating device and laminating method |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207825673U (en) * | 2018-01-23 | 2018-09-07 | 广州勤润电子有限公司 | A kind of SMT is two-sided to connect material belt device |
| CN111231389A (en) * | 2020-03-17 | 2020-06-05 | 江阴鑫尚机械有限公司 | Spring self-pressing type multi-layer roller |
| CN112299114A (en) * | 2020-09-21 | 2021-02-02 | 苏州领裕电子科技有限公司 | Waste collecting device for film material pressing |
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