CN112157903A

CN112157903A - Film pressing mechanism of profile laminator and film pressing method thereof

Info

Publication number: CN112157903A
Application number: CN202011046363.0A
Authority: CN
Inventors: 陈祥建; 朱长军
Original assignee: Nanjing Hongfa Nonferrous Metal Manufacturing Ltd By Share Ltd
Current assignee: Nanjing Hongfa Nonferrous Metal Manufacturing Ltd By Share Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-01-01

Abstract

The invention provides a film pressing mechanism of a profile film sticking machine and a film pressing method thereof, wherein the film pressing mechanism comprises a supporting assembly, an adjusting frame, a jacking assembly and a flanging assembly; the supporting component is used for supporting the section bar, and the section bar comprises a bottom wall, a first side wall and a second side wall; the adjusting frame is used for adjusting the height of the jacking assembly or the inclination angle of the flanging assembly, is in a semicircular shape, and is provided with an arc-shaped hole; the jacking assembly comprises a first support rod arranged on the adjusting frame and a first roller arranged at the lower end of the first support rod, and the first roller is in rolling friction with the top of the first side wall of the section bar; the hem subassembly is located the basement membrane and puts the low reaches of reel, and it includes the second vaulting pole and installs the second gyro wheel in second vaulting pole lower extreme, and the upper end of second vaulting pole is fastened in the arc hole, and the second gyro wheel can be rolled and rubbed with the connection limit of diapire and second lateral wall, turns over the oblique top in right side direction of basement membrane and forms in advance the hem. The invention can solve the problems of low film sticking efficiency and bubbles and folds of the film.

Description

Film pressing mechanism of profile laminator and film pressing method thereof

Technical Field

The invention belongs to the technical field of profile film sticking equipment, and particularly relates to a film pressing mechanism of a profile film sticking machine and a film pressing method thereof.

Background

Metal profiles such as aluminum profiles are commonly used industrial materials, and aluminum profiles are commonly used in the building industry such as aluminum alloy doors and windows, building curtain walls and the like. The aluminum profile has excellent processability, but the surface of the aluminum profile is very easy to scratch in the processes of forming, cutting, drilling, assembling and the like, and components such as doors, windows, curtain walls and the like require the surface of the aluminum profile to be smooth, flat and free of scratches, so that the surface of the aluminum profile needs to be coated with a film to protect the appearance quality of the aluminum profile from being influenced.

The film sticking machine for sectional materials is a common film covering device, and sticks and covers the film material on the surface of the sectional material through a film material unreeling mechanism, a film pressing mechanism, a film cutting mechanism and the like. Sticking film machine need prepare three rolls of membrane materials and with the diapire and the left and right sides wall of pasting the section bar respectively, the workman need roll up, adjust membrane material rate of tension to the membrane material before the pad pasting begins, this process cost more time, leads to the pad pasting inefficiency. In addition, if slight shake appears in the film pressing action of current section bar sticking film machine, then the laminating unevenness leads to very easily, often bubble or fold production, influences the adhesion strength of membrane material on the section bar.

Disclosure of Invention

The invention aims to provide a film pressing mechanism of a profile laminator and a film pressing method thereof, which are used for solving the problems of low film laminating efficiency and generation of bubbles or wrinkles due to unstable film pressing action of the profile laminator caused by film splitting and laminating.

The invention provides the following technical scheme:

a film pressing mechanism of a profile laminator comprises a supporting assembly, an adjusting frame, a jacking assembly and a flanging assembly;

the support assembly is used for supporting a strip-shaped section bar, and the section bar comprises a bottom wall, a first side wall and a second side wall, wherein the first side wall and the second side wall extend upwards from the left side and the right side of the bottom wall; the supporting assembly comprises a bearing seat arranged on the frame and a supporting roller with two ends horizontally arranged on the bearing seat;

the adjusting frame is in a semicircular ring shape, the bottom of the adjusting frame is fixed on the rack, and an arc-shaped hole concentric with the adjusting frame is formed in the adjusting frame;

the top pressing assembly comprises a first support rod arranged on the adjusting frame and a first roller wheel arranged at the lower end of the first support rod, the mounting height of the first support rod is adjustable, and the first roller wheel is in rolling friction with the top of the first side wall of the section bar;

the edge folding assembly is positioned at the downstream of a bottom film placing reel of the film sticking machine, the right side of the bottom film on the bottom film placing reel horizontally extends out of the section bar, and the bottom wall and the second side wall of the section bar can be simultaneously stuck on the bottom film; the edge folding assembly comprises a second support rod and a second roller arranged at the lower end of the second support rod, the upper end of the second support rod is fastened in the arc-shaped hole through a bolt, the lower end of the second support rod inclines towards the direction of a second side wall of the sectional material, the second roller can be in rolling friction with a connecting edge between the bottom wall and the second side wall, and the right side of the bottom membrane is turned over towards the inclined upper side to form a pre-folded edge.

Preferably, the bottom of the first stay bar is fixedly connected with a roller frame, the first roller is mounted on the roller frame, a V-shaped groove coaxial with the first roller is arranged on the periphery of the first roller, and the V-shaped groove is limited on the first side wall in the left-right direction.

Furthermore, a connecting rod is installed on the right frame plate of the roller frame, the installation angle of the connecting rod can be adjusted, a pressing wheel is installed at the end part of the connecting rod, and the pressing wheel and the inner bottom surface of the profile roll and rub.

Further, still include the press mold subassembly, the press mold subassembly is located the low reaches of hem subassembly, the press mold subassembly is including first side pinch roller and the second side pinch roller that is located the section bar left and right sides, first side pinch roller and second side pinch roller are installed respectively on two translation lead screws, first side pinch roller will incline the membrane and compress tightly on first lateral wall, second side pinch roller compresses tightly the limit of book in advance of basement membrane on the second lateral wall.

Further, still include the flattening subassembly, the flattening subassembly is located the low reaches of press mold subassembly, the flattening subassembly is used for eliminating bubble and the fold of tectorial membrane on first lateral wall and the second lateral wall, the flattening subassembly includes pendulous device and connection pendulous device's first clamp plate and second clamp plate, first clamp plate and second clamp plate are located the left and right sides of section bar respectively, pendulous device can drive first clamp plate and second clamp plate syntropy remove in order to paste the tectorial membrane smoothly on first lateral wall and second lateral wall.

Preferably, the swing device comprises a motor, a swing rod, a first connecting rod, a first sliding seat, a second connecting rod and a second sliding seat, the motor is in driving connection with the swing rod, the left end and the right end of the swing rod are respectively hinged with the first connecting rod and the second connecting rod, the other end of the first connecting rod is hinged in a first waist-shaped hole in the first sliding seat, and the first sliding seat is fixedly connected with the first pressing plate; the other end of the second connecting rod is hinged in a second waist-shaped hole in the second sliding seat, and the second sliding seat is fixedly connected with the second pressing plate.

Preferably, the swing device further comprises two groups of guide rods fixed on the rack, the guide rods extend in the left-right direction, the first sliding seat and the second sliding seat are respectively installed on the two groups of guide rods, and the first sliding seat and the second sliding seat can move horizontally along the guide rods.

The film pressing method of the section film sticking machine comprises the following steps:

the height of the jacking assembly and the inclination angle of the flanging assembly are adjusted according to the size of the profile, so that the first roller can be in rolling friction with the top of the first side wall of the profile, and the second roller can be in rolling friction with the connecting edge between the bottom wall and the second side wall of the profile;

adjusting the installation angle of the connecting rod to enable the pressing wheel to be in rolling friction with the inner bottom surface of the section bar;

horizontally placing the sectional material on a plurality of groups of supporting components which are arranged at intervals, pulling out the end part of the side film from a side film placing reel and then pasting the end part of the side film on a first side wall of the sectional material, pulling out the end part of the bottom film from a bottom film placing reel and then pasting the end part of the bottom film on a second side wall of the sectional material;

the supporting roller of the supporting assembly is driven by the driving piece to rotate so as to convey the section forward, when the section moves to the top pressing assembly and the edge folding assembly, the top pressing assembly positions the top of the section, and the edge folding assembly folds the part of the bottom film extending out of the right side of the section obliquely upwards to form a pre-folded edge;

when the sectional material passes through the film pressing assembly, the first side pressing wheel presses the side film onto the first side wall, and the second side pressing wheel presses the pre-folded edge of the bottom film onto the second side wall;

when the sectional material passes through the leveling assembly, the swing device rotates the swing rod to drive the first pressing plate and the second pressing plate to simultaneously press the side film on the first side wall and the pre-folded edge on the second side wall, and bubbles and wrinkles on the film are eliminated.

The invention has the beneficial effects that:

this sticking film machine that press mold mechanism used uses side membrane and basement membrane respectively to the first lateral wall of section bar, and diapire and second lateral wall sticking film. The top pressing assembly and the edge folding assembly of the film pressing mechanism are adjustably mounted on the adjusting frame, wherein the first roller on the top pressing assembly can position the top of the first side wall of the section bar, so that the section bar is prevented from shaking up and down in the film pasting process; the second gyro wheel of hem subassembly can be turned over the oblique top in the right side of basement membrane and form hem in advance, is convenient for compress tightly the hem in advance on the second lateral wall of section bar, has guaranteed the stability of follow-up press mold operation and has gone on. In addition, use section bar diapire and the second lateral wall of this mechanism share a roll of membrane can, shortened the membrane material and rolled up and adjust the time of membrane material rate of tension, improved the operating efficiency, also reduced the part quantity of sticking film machine, make equipment structure compacter.

The connecting rod is installed on the roller frame of the jacking assembly of the mechanism, the pressing wheel is installed at the end part of the connecting rod, the pressing wheel is in rolling friction with the inner bottom surface of the sectional material, the pressing wheel prevents the right side of the sectional material from being tilted upwards due to the fact that the second roller pushes the sectional material obliquely upwards, stability of the moving process of the sectional material is guaranteed, and film sticking precision is further improved. The installation angle of the connecting rod can be adjusted, so that the pressing wheel is suitable for profiles with different thicknesses.

The leveling assembly of the mechanism can eliminate bubbles and wrinkles of the coating film on the first side wall and the second side wall, improves the quality of the coating film, and drives the first pressing plate and the second pressing plate to move in the same direction through the swinging device so as to smoothly attach the coating film to the first side wall and the second side wall. The swing rod angle of the leveling component can be freely adjusted, and the leveling component is suitable for profiles with different widths, the swing rod angle of the leveling component is locked by the motor, and compared with a spring-type pressing piece, pressing force fluctuation is small, and a leveling effect is better.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic front view of the pressing assembly and the folding assembly of the present invention mounted on the adjusting frame;

FIG. 3 is a schematic cross-sectional view of a base film on a profile of the present invention after being pre-hemmed by a hemming assembly;

FIG. 4 is a schematic cross-sectional view of a pre-flanged base film of the profile of the present invention after it has been flattened;

FIG. 5 is a schematic top view of a lamination assembly of the present invention;

FIG. 6 is a schematic top view of a translation screw of the lamination assembly of the present invention;

FIG. 7 is a schematic structural view of the screed assembly of the present invention in a released state;

figure 8 is a schematic diagram of the screed assembly of the present invention in a compacted state.

Labeled as:

10. a support assembly; 11. a bearing seat; 12. a support roller;

20. an adjusting bracket; 21. an arc-shaped hole; 22. a sleeve;

30. a jacking component; 31. a first stay bar; 32. a first roller; 33. a roller frame; a V-shaped groove; 35. a right frame plate; 36. a connecting rod; 37. a butterfly nut; 38. a pinch roller;

40. a hemming assembly; 41. a second stay bar; 42. a second roller;

50. a film pressing assembly; 51. a first side pinch roller; 52. a second side pinch roller; 53. translating the lead screw; 54. a hand wheel; 55. a slider;

60. a leveling assembly; 61. a first platen; 62. a second platen; 63. a swing rod; 64. a first link; 65. a first slider; 66. a second link; 67. a second slide carriage; 68. a kidney-shaped hole; 69. a guide bar;

70. a section bar; 71. a bottom wall; 72. a first side wall; 73. a second side wall;

80. a frame;

91. a base film; 92. pre-flanging; 93. and (4) a side film.

Detailed Description

As shown in fig. 1 to 8, the embodiment discloses a film pressing mechanism of a profile laminator, which comprises a supporting assembly 10, an adjusting frame 20, a pressing assembly 30, a folding assembly 40, a film pressing assembly 50 and a leveling assembly 60.

Referring to fig. 1, the supporting assembly 10 is used for supporting an elongated profile 70, and the profile 70 of the present embodiment includes a bottom wall 71 and a first side wall 72 and a second side wall 73 respectively extending upward from left and right sides of the bottom wall 71, wherein the first side wall 72 is higher than the second side wall 73. The support assemblies 10 include bearing housings 11 mounted on the machine frame 80 and support rollers 12 having both ends horizontally mounted on the bearing housings 11, and a plurality of sets of the support assemblies 10 are mounted on the machine frame 80 at intervals to smoothly support the profiles 70.

Referring to fig. 2, the adjusting bracket 20 is used to adjust the height of the pressing assembly 30 or the inclination angle of the hemming assembly 40. The adjusting frame 20 is in a semicircular shape, the bottom of the adjusting frame 20 is fixedly installed on the rack 80 through a bolt, and the adjusting frame 20 is provided with an arc-shaped hole 21 which is concentric with the adjusting frame. The folding assembly 40 and the jacking assembly 30 are respectively arranged at the front side and the rear side of the adjusting frame.

The top pressure assembly 30 comprises a first support rod 31 vertically installed on the adjusting frame 20 and a first roller 32 installed at the lower end of the first support rod 31, a screw and a sleeve 22 are installed on the adjusting frame, the sleeve 22 is a semi-cylindrical barrel, the inner diameter of the sleeve is matched with the diameter of the first screw, the sleeve 22 is locked on the adjusting frame through the screw and a nut, the top of the first support rod 31 penetrates through the sleeve 22, the nut is locked again, the first support rod 31 is fastened on the adjusting frame 20, the installation height of the first support rod 31 is adjustable, and the first roller 32 and the top of the first side wall 72 of the section bar are in rolling friction. Specifically, the bottom of the first stay bar 31 is fixedly connected with a roller frame 33, the first roller 32 is installed on the roller frame 33, a V-shaped groove 34 which is coaxial with the first roller is arranged on the periphery of the first roller 32, and the V-shaped groove 34 limits a first side wall 72 in the left-right direction, so that the profile is prevented from shaking left and right. Referring to fig. 1 and 2, the right frame plate 35 of the roller frame 33 is provided with a connecting rod 36 through a wing nut 37, the mounting angle of the connecting rod 36 is adjustable, the end of the connecting rod 36 is provided with a pressing wheel 38, the pressing wheel 38 and the inner bottom surface of the profile 70 are in rolling friction, the pressing wheel 38 can prevent the right side of the profile from being upwards tilted by the thrust of the flanging assembly 40, so that the profile 70 can be smoothly conveyed forwards, and the film pasting precision is ensured.

Referring to fig. 2 again, the folding assembly 40 is located at the downstream of the bottom film roll of the laminator, the right side of the bottom film on the bottom film roll horizontally extends out of the profile, the bottom film can simultaneously adhere to the bottom wall 71 and the second side wall 73 of the profile, and the folding assembly 40 is configured to extrude the partially extended bottom film obliquely upward to form a pre-folding edge 92, so that the pre-folding edge 92 can be flatly pressed on the second side wall 73 by a subsequent film pressing process. The hemming assembly 40 includes a second stay 41 and a second roller 42 installed at a lower end of the second stay 41, an upper end of the second stay 41 is fastened in the arc hole 21 by a bolt, a lower end of the second stay 41 is inclined toward the second sidewall 73 of the profile, wherein an inclination angle of the second stay 41 can be adjusted by changing an installation position of the second stay in the arc hole to adapt to profiles with different widths. The second roller 42 is capable of rolling-rubbing against the connecting edge between the bottom wall 71 and the second side wall 73 to fold the right side of the base film 91 obliquely upward to form a pre-folded edge 92 as shown in fig. 3.

Referring to fig. 5 and 6, the film pressing assembly 50 is located at the downstream of the folding assembly 40, the film pressing assembly 50 includes a first side pressing wheel 51 and a second side pressing wheel 52 respectively located at the left and right sides of the section bar 70, the first side pressing wheel 51 and the second side pressing wheel 52 are respectively installed on the sliding blocks 55 of the two translation screws 53, and the left and right sides of the sliding blocks 55 can respectively slide along the guide rails on the screw bases. The positions of the first side pressing wheel 51 and the second side pressing wheel 52 are adjusted by rotating the hand wheels 54 of the two translation screw rods 53, so that the first side pressing wheel 51 presses the side film 93 onto the first side wall 72, and the second side pressing wheel 52 presses the pre-folded edge 92 of the bottom film onto the second side wall 73, thereby realizing the film coating effect shown in fig. 4.

Referring to fig. 7 and 8, the leveling assembly 60 is located downstream of the film pressing assembly 50, the leveling assembly 60 is used for eliminating bubbles and wrinkles from the film coated on the first side wall 72 and the second side wall 73, the leveling assembly 60 includes a swing device and a first pressing plate 61 and a second pressing plate 62 connected to the swing device, the first pressing plate 61 and the second pressing plate 62 are respectively located on the left side and the right side of the profile 70, the swing device can drive the first pressing plate 61 and the second pressing plate 62 to move in the same direction so as to smoothly coat the film on the first side wall 72 and the second side wall 73, extrude bubbles in the film, and remove wrinkles.

Specifically, the swinging device comprises a motor (not shown in the figure), a swinging rod 63, a first connecting rod 64, a first sliding seat 65, a second connecting rod 66 and a second sliding seat 67, the motor is mounted on a motor frame, an output shaft of the motor is in driving connection with the center of the swinging rod 63, the swinging rod 63 is horizontally arranged, the left end and the right end of the swinging rod 63 are respectively hinged with the first connecting rod 64 and the second connecting rod 66, the other end of the first connecting rod 64 is hinged in a first kidney-shaped hole 68 on the first sliding seat, and the first sliding seat 65 is fixedly connected with the first pressing plate 61; the other end of the second connecting rod 66 is hinged in a second kidney-shaped hole 68 on the second sliding seat, and the second sliding seat 67 is fixedly connected with the second pressing plate 62. The swinging device further comprises two groups of guide rods 69 fixedly installed on the rack, the guide rods 69 extend in the left-right direction, the first sliding seat 65 and the second sliding seat 67 are installed on the two groups of guide rods 69 respectively, and the first sliding seat 65 and the second sliding seat 67 can move horizontally along the guide rods 69.

When the film covering on the side wall of the profile needs to be leveled, the motor drives the swing rod 63 to rotate anticlockwise, the swing rod 63 drives the first connecting rod 64 and the second connecting rod 66 to rotate simultaneously, the other end of the first connecting rod 64 moves along the kidney-shaped hole in the first sliding seat 65 and pulls the first sliding seat 65 rightwards until the first pressing plate 61 presses the side film 93 tightly; the other end of the second connecting rod 66 moves along the kidney-shaped hole on the second slide carriage 67 and pulls the second slide carriage 67 to the left until the second press plate 62 presses the pre-folded edge 92, and when the profile moves forward, the first press plate 61 and the second press plate 62 press the coated film flat and extrude bubbles in the film. After the section bar is coated, the motor is reversed to release the first pressing plate 61 and the second pressing plate 62.

the height of the jacking assembly 30 and the inclination angle of the flanging assembly 40 are adjusted according to the size of the profile 70, so that the first roller 32 can be in rolling friction with the top of the first side wall 72 of the profile, and the second roller 42 can be in rolling friction with the connecting edge between the bottom wall 71 and the second side wall 73 of the profile;

loosening the butterfly nut 37, and adjusting the installation angle of the connecting rod 36 to enable rolling friction between the pressing wheel 38 and the inner bottom surface of the section bar 70;

horizontally placing the section bar 70 on a plurality of groups of supporting assemblies 10 which are arranged at intervals, pulling out the end part of the side film 93 from a side film placing reel and then pasting the end part of the side film 93 on the first side wall 72 of the section bar, pulling out the end part of the bottom film 91 from a bottom film placing reel and then pasting the end part of the bottom film 91 on the second side wall 73 of the section bar;

the supporting roller 12 of the supporting assembly 10 is driven by a driving element (e.g. a servo motor) to rotate to convey the profile 70 forward, when the profile 70 moves to the pressing assembly and the flanging assembly, the pressing assembly 30 positions the top of the profile, and the flanging assembly 40 folds the part of the bottom film 91, which extends out of the right side of the profile, obliquely upward to form a pre-flanging 92;

when the section bar 70 passes through the film pressing assembly 50, the first side pressing wheel 51 presses the side film 93 onto the first side wall 72, and the second side pressing wheel 52 presses the pre-folded edge 92 of the bottom film onto the second side wall 73;

when the profile 70 passes through the leveling assembly 60, the swing device rotates the swing rod 63, and drives the first pressing plate 61 and the second pressing plate 62 to simultaneously press the side film 93 on the first side wall 72 and the pre-folded edge 92 on the second side wall 73, so that bubbles and wrinkles on the coated film are eliminated.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A film pressing mechanism of a profile laminator is characterized by comprising a supporting assembly, an adjusting frame, a jacking assembly and a flanging assembly;

the adjusting frame is used for adjusting the height of the jacking assembly or the inclination angle of the flanging assembly, the adjusting frame is in a semicircular shape, the bottom of the adjusting frame is fixed on the rack, and an arc-shaped hole concentric with the adjusting frame is formed in the adjusting frame;

2. A film pressing mechanism of a profile laminator according to claim 1, wherein the bottom of the first support bar is fixedly connected to a roller frame, the first roller is mounted on the roller frame, a V-shaped groove coaxial with the first roller is arranged on the periphery of the first roller, and the V-shaped groove limits the first side wall in the left-right direction.

3. A film pressing mechanism of a profile laminator according to claim 2, wherein a connecting rod is mounted on the right frame plate of the roller frame, the mounting angle of the connecting rod is adjustable, and a pressing wheel is mounted at the end of the connecting rod and is in rolling friction with the inner bottom surface of the profile.

4. The film pressing mechanism of the profile laminator according to claim 1, further comprising a film pressing assembly, wherein the film pressing assembly is located at the downstream of the folding assembly, the film pressing assembly comprises a first side pressing wheel and a second side pressing wheel which are located at the left side and the right side of the profile, the first side pressing wheel and the second side pressing wheel are respectively installed on the two translation screws, the first side pressing wheel presses the side film onto the first side wall, and the second side pressing wheel presses the pre-folded edge of the bottom film onto the second side wall.

5. The film pressing mechanism of the profile laminator according to claim 4, further comprising a leveling assembly, wherein the leveling assembly is located at the downstream of the film pressing assembly, the leveling assembly is used for eliminating bubbles and wrinkles of the film on the first side wall and the second side wall, the leveling assembly comprises a swinging device and a first pressing plate and a second pressing plate which are connected with the swinging device, the first pressing plate and the second pressing plate are respectively located at the left side and the right side of the profile, and the swinging device can drive the first pressing plate and the second pressing plate to move in the same direction so as to smoothly laminate the film on the first side wall and the second side wall.

6. A film pressing mechanism of a profile laminator according to claim 5, wherein the swing device comprises a motor, a swing rod, a first connecting rod, a first slide seat, a second connecting rod and a second slide seat, the motor is in driving connection with the swing rod, the left end and the right end of the swing rod are respectively hinged with the first connecting rod and the second connecting rod, the other end of the first connecting rod is hinged in a first waist-shaped hole on the first slide seat, and the first slide seat is fixedly connected with the first pressing plate; the other end of the second connecting rod is hinged in a second waist-shaped hole in the second sliding seat, and the second sliding seat is fixedly connected with the second pressing plate.

7. A film pressing mechanism of a profile laminator according to claim 6, wherein said swing mechanism further comprises two sets of guide bars fixed to the frame, said guide bars extending in a left-right direction, the first slide and said second slide being mounted on the two sets of guide bars respectively, said first slide and said second slide being translatable along said guide bars.

8. A film pressing method of a profile laminator is characterized by comprising the following steps: