CN-121756617-B - Mirror aluminum foil laminating equipment and laminating method

CN121756617BCN 121756617 BCN121756617 BCN 121756617BCN-121756617-B

Abstract

The invention relates to the technical field of aluminum foil lamination, and particularly discloses mirror aluminum foil lamination equipment and a lamination method, wherein the equipment comprises the following steps: the device comprises a contact belt, two driving rollers, a connecting frame, a wind power source, a vertical plate and a shearing piece, wherein the two driving rollers are all rotationally connected to a pressing mechanism, the contact belt is in transmission connection between the two driving rollers, the contact belt can be in contact with the front side or the rear side of a mirror aluminum foil after film lamination, the top of the contact belt and the upper surface of the mirror aluminum foil are positioned on the same horizontal plane, the connecting frame is connected to a mounting frame, the wind power source is arranged on the connecting frame, the wind power source can generate wind power blowing over the hot melt adhesive so as to solidify the overflowed hot melt adhesive, the vertical plate is connected to the connecting frame, the shearing piece is arranged on the vertical plate, and the solidified hot melt adhesive can be cut off from the mirror aluminum foil after film lamination; the mirror aluminum foil laminating equipment and the laminating method can air-dry and shear overflowed hot melt adhesive, and avoid adverse effects on subsequent processing flow or rolling operation.

Inventors

LIU JIGANG
WANG DONG
LI CHAOFENG
Chai Jiadong

Assignees

上海郑璞金属材料有限公司
河南润鑫新材料股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260228

Claims (8)

1. The mirror aluminum foil laminating equipment comprises a mounting frame, a lifting mechanism, a first unreeling mechanism, a second unreeling mechanism, a pressing mechanism and a gluing mechanism, wherein the lifting mechanism, the second unreeling mechanism, the pressing mechanism and the gluing mechanism are all connected to the mounting frame, the first unreeling mechanism is arranged on the lifting mechanism, and the equipment is characterized by also comprising two cutting mechanisms which are respectively arranged at the front side and the rear side of the mirror aluminum foil after laminating, each cutting mechanism comprises a contact belt, two driving rollers, a connecting frame, a wind power source, a vertical plate and a shearing piece, the two driving rollers are all rotationally connected to the pressing mechanism, the contact belt is in transmission connection between the two transmission rollers, the contact belt can be in contact with the front side or the rear side of the mirror aluminum foil after film coating, the top of the contact belt and the upper surface of the mirror aluminum foil are positioned on the same horizontal plane, the connecting frame is connected to the mounting frame, the wind power source is arranged on the connecting frame, the wind power source can generate wind power which blows over the hot melt adhesive so as to solidify the overflowed hot melt adhesive, the vertical plate is connected to the connecting frame, the shearing piece is arranged on the vertical plate, and the shearing piece can cut the solidified hot melt adhesive from the mirror aluminum foil after film coating; The vertical plate is provided with a guide groove which is triangular, and the guide groove is provided with a long side, a first bevel edge and a second bevel edge; The shearing piece comprises a moving part, a pushing frame, a telescopic part, a lifting part and a cutter, wherein the moving part is slidably connected in the guide groove, the pushing frame is sleeved at the front end of the moving part, the telescopic part is connected on the vertical plate, the telescopic end of the telescopic part is connected with the pushing frame, and the lifting part and the cutter are both arranged on the moving part.
2. The mirror aluminum foil laminating apparatus according to claim 1, wherein the outer sides of the two driving rollers are each provided with a tooth set in an annular arrangement, the inner side of the contact belt is provided with a plurality of tooth grooves adapted to the tooth sets on the two driving rollers, and the contact belt is engaged and connected between the two driving rollers.
3. The mirror-surface aluminum foil laminating apparatus according to claim 1, wherein the contact strip is a metal strip, and an inner upper end of the contact strip is provided with a guide surface.
4. The apparatus according to claim 1, wherein the lifting portion and the cutter are both slidably and limitedly connected to the moving portion, the cutter is rotatably connected to the lifting portion, a torsion spring is connected between the cutter and the lifting portion, and an elastic portion is connected between the lifting portion and the moving portion.
5. The apparatus according to claim 4, wherein the cutting member further comprises a protrusion and a blocking portion, the protrusion is connected to the lifting portion, the protrusion has an inclined surface, the blocking portion is connected to the riser, and the blocking portion is located on a moving track of the protrusion.
6. The apparatus of claim 5, wherein the shear member further comprises a chip removal channel coupled to the lamination mechanism.
7. The mirror aluminum foil laminating equipment according to claim 1, wherein the shearing piece further comprises a blocking piece, the blocking piece comprises a blocking portion and an elastic portion II, the blocking portion is in limiting sliding connection on the vertical plate, one end of the blocking portion extends into the oblique side II, an inclined surface is arranged on the blocking portion, and the elastic portion II is connected between the blocking portion and the vertical plate.
8. A method for coating a mirror-surface aluminum foil, characterized by using the mirror-surface aluminum foil coating apparatus as claimed in claim 1, comprising the steps of: S1, respectively mounting a coiled mirror aluminum foil and a protective film on a first unreeling mechanism and a second unreeling mechanism; S2, starting a lifting mechanism to lift the first unreeling mechanism to a set height; S3, respectively pulling the mirror aluminum foil and the protective film to enable the mirror aluminum foil to pass through the gluing mechanism, covering the protective film on the upper surface of the mirror aluminum foil, and placing the protective film and the mirror aluminum foil into the pressing mechanism; S4, starting an unreeling mechanism I, an unreeling mechanism II, a gluing mechanism and a pressing mechanism, unreeling the mirror aluminum foil and the protective film respectively by the unreeling mechanism I and the unreeling mechanism II, coating the top surface of the mirror aluminum foil with hot melt adhesive by the gluing mechanism, and pressing the protective film and the mirror aluminum foil by the pressing mechanism; s5, starting transmission between the contact belt and the two transmission rollers, and accommodating overflowed hot melt adhesive by the contact belt; S6, starting a wind power source to generate wind blowing to the overflowed hot melt adhesive so as to promote the overflowed hot melt adhesive to be solidified; And S7, starting a shearing piece, and shearing the solidified hot melt adhesive by the shearing piece.

Description

Mirror aluminum foil laminating equipment and laminating method Technical Field The invention relates to the technical field of aluminum foil lamination, in particular to mirror aluminum foil lamination equipment and a lamination method. Background The mirror aluminum foil is characterized in that a mirror-like bright and flat surface is manufactured by a unique process, the mirror aluminum foil has the toughness and excellent light reflectivity of metal, is widely applied to the fields of architectural decoration, packaging, electronics and the like, adds delicate texture to products, performs single-sided film coating treatment, can preserve the original use characteristics of the aluminum foil while protecting the performance of a core mirror surface, has the mirror surface side which is a core functional surface, is easy to scratch, oxidize and pollute by greasy dirt to lose high light reflecting effect, can form a protective layer by the film coating, isolates external damage and maintains the mirror surface finish for a long time, and has the other side to preserve the original metal quality so as to meet the subsequent processing and assembly requirements of bonding, attaching, conducting, radiating and the like, and meanwhile, the single-sided film coating can avoid the cost waste of the double-sided film coating, and avoid the influence of the non-functional surface film coating on the process suitability of the aluminum foil, the practical application requirements of the fields of decoration, electronics, packaging and the like. The utility model discloses an aluminium foil tectorial membrane device in chinese patent document of bulletin number CN221365860U, including support frame and tectorial membrane case, tectorial membrane case left side surface upper end sets up into the membrane mouth, and advance the membrane mouth to just to the square arrangement and send the membrane stake, send a compression bent piece to be settled to membrane stake lower extreme, bent piece connection below extends the boss, tectorial membrane case side settles driving motor, driving motor links to each other with the receipts membrane stake of tectorial membrane case back direction, it sets up the fixed pile head to receive the membrane stake other end, it sets up out the membrane mouth to receive the membrane stake to correspond on the tectorial membrane case, send membrane stake both ends to settle clamping mechanism, send membrane stake stiff end to set up the movable column and fix. When the aluminum foil laminating machine is used, firstly, the aluminum foil is mounted on the film feeding pile, due to the special design of the movable column and the linking column, the aluminum foil is convenient to detach, after the aluminum foil is mounted, bolts on the pressing mechanism are screwed down, the positions of the aluminum foil are fixed on two sides, the angle of the rotatable end blocks is adjusted, the aluminum foil is abutted against the pressing curved blocks, a driving switch on the driving motor is opened at the moment, the device is operated, under the action of the belt pulley, the film collecting pile starts stretching the aluminum foil, enough tension is given, the inner film laminating box starts to laminate the required film, and the aluminum foil after the film lamination comes out from the film outlet under the stretching of the film collecting pile, and is then coiled on the film collecting pile to be completed. However, the above patent document has the disadvantage that, in the process of fixing the protective film and the mirror aluminum foil by hot melt adhesive, when the protective film and the mirror aluminum foil are subjected to the lamination step, part of the hot melt adhesive is easy to overflow from the edge of the mirror aluminum foil to form an overflow phenomenon, and if the overflow adhesive is not cleaned timely, the subsequent processing flow or winding operation will be adversely affected. Disclosure of Invention The invention provides mirror aluminum foil laminating equipment and a laminating method, and aims to solve the problem that part of hot melt adhesive is easy to overflow from the edge of a mirror aluminum foil to form an overflow phenomenon when a protective film and the mirror aluminum foil are subjected to a laminating step in the related art, and the overflow adhesive can bring adverse effects to the subsequent processing flow or winding operation if the overflow adhesive is not cleaned timely. The invention discloses mirror aluminum foil laminating equipment which comprises a mounting frame, a lifting mechanism, a first unreeling mechanism, a second unreeling mechanism, a pressing mechanism, a gluing mechanism, a first unreeling mechanism, a second unreeling mechanism, a first laminating mechanism and a second gluing mechanism, wherein the lifting mechanism, the second unreeling mechanism, the pressing mechanism and the first gluing mechanism are all connected to