阅读说明：本技术 一种显示屏保护膜贴面板视窗的居中贴合方法及贴合治具 (Centering attaching method and attaching jig for display screen protection film attaching panel window ) 是由 刘朝凤 孙学刚 廖霞 张少芬 向春 于 2021-08-18 设计创作，主要内容包括：本发明公开了一种显示屏保护膜贴面板视窗的居中贴合方法及贴合治具,包括底座、充气蓄力机构、释放机构和滚动贴合机构,所述底座上端中心位置固定连接有支撑框,所述支撑框侧壁上滑动套有放置框,本发明利用放置框移动的力,将第一固定框内部的空气通过导气通道输送到密封球内部,并通过密封球对空气进行储存,从而达到蓄力的目的,本发明利用推杆对承接框和连接杆进行移动,连接杆带动封堵块解除对穿孔的封堵,并在放置框移动到最底端时释放密封球内部的空气,本发明利用密封球释放的空气作为动力,使滑块带动挤压辊将支架上的保护膜贴合在面板上,提高保护膜的贴合效率。(The invention discloses a centering attaching method and an attaching jig for a display screen protective film attaching panel window, which comprise a base, an inflation force storage mechanism, a releasing mechanism and a rolling attaching mechanism, the center of the upper end of the base is fixedly connected with a supporting frame, the side wall of the supporting frame is sleeved with a placing frame in a sliding manner, the air in the first fixing frame is conveyed to the inside of the sealing ball through the air guide channel by utilizing the moving force of the placing frame, and the air is stored through the sealing ball, thereby achieving the purpose of storing force, the invention utilizes the push rod to move the bearing frame and the connecting rod, the connecting rod drives the plugging block to remove the plugging of the perforation, the air released by the sealing ball is used as power, so that the sliding block drives the extrusion roller to attach the protective film on the support to the panel, and the attaching efficiency of the protective film is improved.)

1. A centered laminating jig for a display screen protective film veneer window comprises a base (1), an inflatable force storage mechanism, a releasing mechanism and a rolling laminating mechanism, wherein a supporting frame (24) is fixedly connected to the central position of the upper end of the base (1), a placing frame (11) is sleeved on the side wall of the supporting frame (24) in a sliding manner, a first clamping groove (16) used for placing a panel is formed in the upper end of the inner wall of the placing frame (11), the first clamping groove (16) is arranged above the supporting frame (24), and the centered laminating jig is characterized in that two first fixing frames (14) are fixedly connected to the upper end of one side wall of the placing frame (11), two second fixing frames (21) are fixedly connected to the side wall of the placing frame (11) opposite to the side wall where the first fixing frames (14) are located, and the first fixing frames (14) and the second fixing frames (21) are arranged at the upper end of the placing frame (11), the top of the first fixed frame (14) is fixedly connected with a first spring (15), the lower end of the first spring (15) is fixedly connected with a first sliding rod (10), the upper end of the first sliding rod (10) is slidably connected onto the inner wall of the first fixed frame (14), the lower end of the first sliding rod (10) vertically penetrates through the placing frame (11) and is fixedly connected onto the upper end of the base (1), the top of the second fixed frame (21) is fixedly connected with a second spring (20), the lower end of the second spring (20) is fixedly connected with a second sliding rod (23), the upper end of the second sliding rod (23) is slidably connected onto the inner wall of the second fixed frame (21), and the lower end of the second sliding rod (23) vertically penetrates through the placing frame (11) and is fixedly connected onto the upper end of the base (1);

the inflation force storage mechanism is arranged in the base (1) at the lower end of the first sliding rod (10) and is used for compressing and collecting air by utilizing the force of the first fixed frame (14) in moving;

the release mechanism is arranged in the base (1) and used for releasing air in the inflation power storage mechanism;

the rolling attaching mechanism is arranged at the upper end of the supporting frame (24) and used for enabling the protective film to form an included angle with the panel, and then the protective film is attached to the panel by utilizing the air of the inflating and force storing mechanism as power.

2. The centered attaching jig for the display screen protective film attaching panel window according to claim 1, wherein the inflatable force storage mechanism comprises a sealing ball (9), an installation chamber (8) is formed inside the base (1) at the lower end of the first slide bar (10), the sealing ball (9) is arranged inside the installation chamber (8), an air guide channel (13) is vertically formed inside the first slide bar (10), the lower end of the first slide bar (10) is fixedly connected to the sealing ball (9), the first fixing frame (14), the air guide channel (13) and the sealing ball (9) are communicated with each other, a chute (2) is formed in the base (1) at the lower end of the supporting frame (24), an air guide tube (5) is fixedly connected to the side wall of the sealing ball (9), and one end of the air guide tube (5) far away from the sealing ball (9) is fixedly connected to the side wall of the chute (2), sealing ball (9), air duct (5) and spout (2) communicate each other, release mechanism sets up inside air duct (5), seal groove (32) have been seted up on spout (2) inner wall.

3. The centering attaching jig for the window of the display screen protective film attaching panel according to claim 2, wherein the releasing mechanism comprises a fixed block (25), the fixed block (25) is fixedly connected inside the air duct (5), a through hole (29) is formed in the center of the fixed block (25), a moving rod (27) is arranged inside the through hole (29), the diameter of the moving rod (27) is smaller than that of the through hole (29), a stopper (28) is fixedly connected to one end of the moving rod (27) far away from the sealing ball (9), a third spring (26) is arranged between the stopper (28) and the fixed block (25), a blocking block (30) for blocking the through hole (29) is fixedly connected to one end of the moving rod (27) far away from the stopper (28) through the through hole (29), a connecting rod (6) is fixedly connected to one end of the blocking block (30) close to the sealing ball (9), the one end fixedly connected with that plugging block (30) were kept away from in connecting rod (6) accepts frame (7), it is used for driving push rod (12) of accepting frame (7) removal to accept vertical being provided with directly over frame (7), the vertical fixed connection in first fixed frame (14) top central point in push rod (12) upper end puts.

4. The centered pasting tool for the window of the display screen protective film pasting panel according to claim 3, wherein the rolling pasting mechanism comprises a support (18), the support (18) is fixedly connected to the upper end of a support frame (24), two opposite side walls of the support (18) are provided with limiting grooves (19), the inner wall of each limiting groove (19) is slidably provided with a rotating shaft, the side wall of the rotating shaft is rotatably connected with an extrusion roller (17) for inclining the protective film at the upper end of the support (18) and pasting the protective film on the panel, the side wall of the rotating shaft is fixedly connected with a sliding block (4), the lower end of the sliding block (4) vertically penetrates through the support frame (24) and is slidably connected to the inner wall of the sliding chute (2), the side wall of the sliding block (4) is fixedly connected with a sealing elastic strip (3) for sealing the sliding chute (2), sealed elastic strip (3) both sides sliding connection is on seal groove (32) inner wall, fixedly connected with is used for carrying out sealed pad (31) sealed to sealed elastic strip (3) on seal groove (32) inner wall.

5. The centering tool for assembling a window of a display screen protective film assembling panel according to claim 1, wherein a sealing ring for preventing air leakage is fixedly connected to a sidewall of the first slide bar (10) in the first fixing frame (14).

6. The centering tool for fixing the window of the display screen protective film panel according to claim 4, wherein a support bar (22) for preventing the bending deformation of the sealing elastic bar (3) is fixedly connected to the inside of the sealing elastic bar (3).

7. The centering tool for applying a window on a display screen protective film applying panel according to claim 4, wherein a rubber sleeve for extruding a protective film is fixedly connected to the side wall of the extruding roller (17).

8. The tool for centering and attaching a window of a display screen protective film attachment panel according to claim 1, wherein a reinforcing rib for improving the structural strength of the support frame (24) is fixedly connected to the inside of the support frame (24).

9. The method for centering a window of a display screen protective film facing panel according to any one of claims 1 to 8, comprising the steps of:

step 1: the method comprises the steps that a protective film is placed on a support (18), the protective film is inclined under the action of a squeezing roller (17), a panel is placed on a first clamping groove (16), a placing frame (11) is pressed to move, the placing frame (11) drives the panel to be close to the support (18), the placing frame (11) drives a first fixing frame (14) to move, the first fixing frame (14) drives a push rod (12) to move, the inner wall of the first fixing frame (14) slides along the upper end of the side wall of a first slide rod (10) and compresses a first spring (15), the first fixing frame (14) conveys air inside to an air guide channel (13), the air guide channel (13) conveys the air to the inside of a sealing ball (9), and the air is compressed inside the sealing ball (9);

step 2: when the push rod (12) is in contact with the bearing frame (7), the push rod (12) drives the bearing frame (7) to move, the bearing frame (7) drives the connecting rod (6) to move, the connecting rod (6) drives the plugging block (30) to move, the plugging block (30) removes plugging of the through hole (29), compressed air in the sealing ball (9) moves into the sliding groove (2) through the air duct (5), under the action of pressure, the sliding block (4) slides along the inner wall of the sliding groove (2), and the sliding block (4) drives the extrusion roller (17) to move along the lower end of the protective film, so that the protective film is attached to the panel;

and step 3: under the effect of first spring (15) and second spring (20), first fixed frame (14) and the fixed frame (21) of second drive place frame (11) rebound, and inside the air was taken out sealed ball (9) from spout (2) inside, under the effect of pressure, slider (4) slided along spout (2) inner wall, and slider (4) drive squeeze roll (17) reset.

Technical Field

The invention relates to the technical field of display screen protective film lamination, in particular to a centering lamination method and a lamination jig for a display screen protective film laminated panel window.

Background

The protective film can be divided into a digital product protective film, an automobile protective film, a household protective film, a food fresh-keeping protective film and the like according to the application. With the popularization of digital products such as mobile phones in China, the protective film has become a general name of the screen protective film slowly, and the function of the protective film in the field of screen protective films is also five-flower eight-door. The materials have undergone more than 5 years of development from the earliest PP materials to the current popular AR materials, and are slowly accepted by the vast cell phone population.

Present protection film laminating tool often directly makes protection film and panel parallel arrangement when the laminating, then directly laminates, and this kind of mode can lead to the unable discharge of air between protection film and the panel, and then influences the quality of laminating, and the not convenient to use person uses.

Meanwhile, the protective film veneer gluing panel window is glued in the middle, special automatic gluing equipment is arranged on the market, however, the equipment is high in cost and not suitable for being purchased by small and medium-sized enterprises, the manual gluing is difficult to align the position, the protective film is thin like a whole and is 0.06MM thick, and the steps of a common jig are difficult to clamp, so that the gluing trouble is caused.

In order to solve the problems, an improved centering attaching method and an improved attaching jig for a window of a display screen protective film attaching panel are designed.

Disclosure of Invention

The present invention provides a centering attaching method and an attaching jig for a window of a display screen protective film attaching panel, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a centered fitting jig for a display screen protective film veneer window comprises a base, an inflatable force storage mechanism, a release mechanism and a rolling fitting mechanism, wherein a supporting frame is fixedly connected to the central position of the upper end of the base, a placing frame is slidably sleeved on the side wall of the supporting frame, a first clamping groove for placing a panel is formed in the upper end of the inner wall of the placing frame, the first clamping groove is formed above the supporting frame, two first fixing frames are fixedly connected to the upper end of one side wall of the placing frame, two second fixing frames are fixedly connected to the side wall of the placing frame opposite to the side wall where the first fixing frames are located, the first fixing frames and the second fixing frames are both arranged at four corners of the upper end of the placing frame, a first spring is fixedly connected to the top of the first fixing frame, a first sliding rod is fixedly connected to the lower end of the first spring, the upper end of the first sliding rod is slidably connected to the inner wall of the first fixing frame, the vertical frame fixed connection of placing that passes of first slide bar lower extreme is in the base upper end, the fixed frame top fixedly connected with second spring of second, second spring lower extreme fixedly connected with second slide bar, second slide bar upper end sliding connection is on the fixed frame inner wall of second, the vertical frame fixed connection of placing that passes of second slide bar lower extreme is in the base upper end.

The inflatable force accumulating mechanism is arranged in the base at the lower end of the first sliding rod and used for compressing and collecting air by utilizing the force of the first fixing frame moving.

The releasing mechanism is arranged in the base and used for releasing air in the inflating and force accumulating mechanism.

The rolling attaching mechanism is arranged at the upper end of the supporting frame and used for enabling the protective film to form an included angle with the panel, and then the protective film is attached to the panel by utilizing the air of the inflating and force storing mechanism as power.

As a further scheme of the invention: aerify and hold power mechanism includes the ball sealer, the installation cavity has been seted up inside the base of first slide bar lower extreme, the ball sealer sets up inside the installation cavity, the inside vertical air guide channel of having seted up of first slide bar, first slide bar lower extreme fixed connection is on the ball sealer, first fixed frame, air guide channel and ball sealer communicate each other, the spout has been seted up in the base of carriage lower extreme, fixedly connected with air duct on the ball sealer lateral wall, the one end fixed connection that the ball sealer was kept away from to the air duct is on the spout lateral wall, ball sealer, air duct and spout communicate each other, release mechanism sets up inside the air duct, the seal groove has been seted up on the spout inner wall.

As a still further scheme of the invention: releasing mechanism includes the fixed block, fixed block fixed connection is inside the air duct, fixed block central point puts and has seted up the perforation, the inside carriage release lever that is provided with of perforation, the diameter of carriage release lever is less than fenestrate diameter, the one end fixedly connected with dog of ball sealer is kept away from to the carriage release lever, be provided with the third spring between dog and the fixed block, the one end that the dog was kept away from to the carriage release lever passes perforation fixedly connected with and is used for carrying out the shutoff block to the perforation, the one end fixedly connected with connecting rod that the block sealer is close to ball sealer, the one end fixedly connected with that the block sealer was kept away from to the connecting rod accepts the frame, accept the vertical push rod that is used for driving the frame removal of accepting directly over the frame, the vertical fixed connection in first fixed frame top central point in push rod upper end puts.

As a still further scheme of the invention: the roll laminating mechanism includes the support, support fixed connection is in the carriage upper end, the spacing groove has been seted up on two relative lateral walls of support, it is provided with the axis of rotation to slide on the spacing inslot wall, it is connected with the squeeze roll that is used for making the protection film slope of support upper end and protection film pasting on the panel to rotate on the axis of rotation lateral wall, fixedly connected with slider on the axis of rotation lateral wall, the vertical carriage sliding connection that passes of slider lower extreme is on the spout inner wall, fixedly connected with is used for carrying out sealed elasticity strip sealed to the spout on the slider lateral wall, sealed elasticity strip both sides sliding connection is on the seal groove inner wall, fixedly connected with is used for carrying out sealed the sealed pad sealed to sealed elasticity strip on the seal groove inner wall.

As a still further scheme of the invention: and a sealing ring for preventing air leakage is fixedly connected to the side wall of the first sliding rod in the first fixed frame.

As a still further scheme of the invention: the inside fixedly connected with of sealed elastic strip is used for preventing sealed elastic strip bending deformation's support bar.

As a still further scheme of the invention: and the side wall of the extrusion roller is fixedly connected with a rubber sleeve for extruding the protective film.

As a still further scheme of the invention: the inside fixedly connected with of carriage is used for improving the strengthening rib of carriage structural strength.

A centering attaching method for a display screen protective film panel window comprises the following steps:

step 1: the protective film is placed on the support, the protective film is inclined under the action of the squeeze roller, the panel is placed on the first clamping groove, the placing frame is pressed to move, the placing frame drives the panel to be close to the support, the placing frame drives the first fixing frame to move, the first fixing frame drives the push rod to move, the inner wall of the first fixing frame slides along the upper end of the side wall of the first slide rod and compresses the first spring, the first fixing frame conveys air inside the first fixing frame into the air guide channel, and the air guide channel conveys the air inside the sealing ball, so that the air is compressed inside the sealing ball;

step 2: when the push rod is contacted with the bearing frame, the push rod drives the bearing frame to move, the bearing frame drives the connecting rod to move, the connecting rod drives the plugging block to move, the plugging block removes plugging on the perforation, compressed air in the sealing ball moves into the chute through the air duct, under the action of pressure, the sliding block slides along the inner wall of the chute, and the sliding block drives the extrusion roller to move along the lower end of the protective film, so that the protective film is attached to the panel;

and step 3: under the effect of first spring and second spring, the frame rebound is placed in the drive of the fixed frame of first spring and second, and inside the sealed ball was taken out to the air from the spout is inside, and under the effect of pressure, the slider slided along the spout inner wall, and the slider drives the squeeze roll and resets.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is provided with an inflation force accumulation mechanism, and utilizes the force of the movement of the placing frame to convey the air in the first fixing frame to the inside of the sealing ball through the air guide channel and store the air through the sealing ball, thereby achieving the purpose of accumulating force.

2. The sealing ball sealing device is provided with the release mechanism, the bearing frame and the connecting rod are moved by the push rod, and the connecting rod drives the sealing block to remove the sealing of the through hole, so that the air in the sealing ball is released into the sliding groove, the air in the sealing ball is stored and stored conveniently, the air in the sealing ball is released when the placing frame moves to the bottommost end, and the continuity of the attaching work is ensured.

3. The invention is provided with the rolling attaching mechanism, and the air released by the sealing ball is used as power to enable the sliding block to drive the extrusion roller to attach the protective film on the bracket to the panel, so that the attaching efficiency of the protective film is improved, the air between the protective film and the panel is prevented, and the attaching quality is improved.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.

FIG. 4 is a schematic view of a slider and seal groove structure according to the present invention.

Fig. 5 is a schematic view of the structure of the sealing elastic strip of the present invention.

Wherein: 1. a base; 2. a chute; 3. sealing the elastic strip; 4. a slider; 5. an air duct; 6. a connecting rod; 7. a bearing frame; 8. installing a chamber; 9. a sealing ball; 10. a first slide bar; 11. placing the frame; 12. a push rod; 13. an air guide channel; 14. a first fixed frame; 15. a first spring; 16. a first card slot; 17. a squeeze roll; 18. a support; 19. a limiting groove; 20. a second spring; 21. a second fixed frame; 22. a supporting strip; 23. a second slide bar; 24. a support frame; 25. a fixed block; 26. a third spring; 27. a travel bar; 28. a stopper; 29. perforating; 30. a plugging block; 31. a gasket; 32. sealing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, in an embodiment of the present invention, a centered attaching jig for a display screen protective film attaching panel window includes a base 1, an inflation force storage mechanism, a release mechanism, and a rolling attaching mechanism, a supporting frame 24 is fixedly connected to a central position of an upper end of the base 1, a placing frame 11 is slidably sleeved on a side wall of the supporting frame 24, a first slot 16 for placing a panel is opened at an upper end of an inner wall of the placing frame 11, the first slot 16 is disposed above the supporting frame 24, two first fixing frames 14 are fixedly connected to an upper end of one side wall of the placing frame 11, two second fixing frames 21 are fixedly connected to a side wall of the placing frame 11 opposite to the side wall where the first fixing frames 14 are located, the first fixing frames 14 and the second fixing frames 21 are both disposed at four corners of the upper end of the placing frame 11, a first spring 15 is fixedly connected to a top of the first fixing frames 14, the utility model discloses a fixed frame, including first spring 15, first slide bar 10 of first spring 15 lower extreme fixedly connected with, first slide bar 10 upper end sliding connection is on first fixed frame 14 inner wall, the vertical frame 11 fixed connection of placing of passing of first slide bar 10 lower extreme is in the 1 upper end of base, the fixed frame 21 top fixedly connected with second spring 20 of second, second spring 20 lower extreme fixedly connected with second slide bar 23, second slide bar 23 upper end sliding connection is on the fixed frame 21 inner wall of second, the vertical frame 11 fixed connection of placing of passing of second slide bar 23 lower extreme is in the 1 upper end of base.

The inflation force accumulation mechanism is arranged in the base 1 at the lower end of the first sliding rod 10 and used for compressing and collecting air by utilizing the force of the first fixing frame 14 moving.

The release mechanism is arranged in the base 1 and used for releasing air in the inflation power storage mechanism.

The rolling attaching mechanism is arranged at the upper end of the supporting frame 24 and used for enabling the protective film to form an included angle with the panel, and then the protective film is attached to the panel by utilizing the air of the inflating and force storing mechanism as power.

Aerify and hold power mechanism and include sealed ball 9, installation cavity 8 has been seted up to 1 inside of base of first slide bar 10 lower extreme, sealed ball 9 sets up inside installation cavity 8, the inside vertical air guide channel 13 of having seted up of first slide bar 10, first slide bar 10 lower extreme fixed connection is on sealed ball 9, first fixed frame 14, air guide channel 13 and sealed ball 9 communicate each other, spout 2 has been seted up in the base 1 of carriage 24 lower extreme, fixedly connected with air duct 5 on the sealed ball 9 lateral wall, the one end fixed connection that sealed ball 9 was kept away from to air duct 5 is on 2 lateral walls of spout, sealed ball 9, air duct 5 and spout 2 communicate each other, release mechanism sets up inside air duct 5, sealed groove 32 has been seted up on 2 inner walls of spout.

The inflatable force accumulation mechanism has the function of conveying air in the first fixing frame 14 to the inside of the sealing ball 9 through the air guide channel 13 by utilizing the moving force of the placing frame 11, and storing the air through the sealing ball 9, so that the purpose of accumulating force is achieved.

The release mechanism comprises a fixed block 25, the fixed block 25 is fixedly connected inside the air duct 5, a through hole 29 is arranged at the center of the fixed block 25, a moving rod 27 is arranged in the through hole 29, the diameter of the moving rod 27 is smaller than that of the through hole 29, a stop 28 is fixedly connected to one end of the moving rod 27 far away from the sealing ball 9, a third spring 26 is arranged between the stop block 28 and the fixed block 25, one end of the moving rod 27 far away from the stop block 28 penetrates through the through hole 29 to be fixedly connected with a blocking block 30 for blocking the through hole 29, one end of the plugging block 30 close to the sealing ball 9 is fixedly connected with a connecting rod 6, one end of the connecting rod 6 far away from the plugging block 30 is fixedly connected with a bearing frame 7, a push rod 12 used for driving the bearing frame 7 to move is vertically arranged right above the bearing frame 7, and the upper end of the push rod 12 is vertically and fixedly connected to the center of the top of the first fixing frame 14.

The release mechanism is used for moving the bearing frame 7 and the connecting rod 6 by utilizing the push rod 12, the connecting rod 6 drives the blocking block 30 to remove the blocking of the through hole 29, so that the air in the sealing ball 9 is released into the chute 2, the storage and the storage of the air in the sealing ball 9 are facilitated, the air in the sealing ball 9 is released when the placing frame 11 moves to the bottommost end, the continuity of the attaching work is ensured, and the use by a user is facilitated.

The rolling attaching mechanism comprises a bracket 18, the bracket 18 is fixedly connected with the upper end of a supporting frame 24, two opposite side walls of the bracket 18 are provided with limiting grooves 19, the inner walls of the limiting grooves 19 are provided with rotating shafts in a sliding way, a squeeze roller 17 for inclining the protective film at the upper end of the bracket 18 and adhering the protective film to the panel is rotatably connected to the side wall of the rotating shaft, the side wall of the rotating shaft is fixedly connected with a sliding block 4, the lower end of the sliding block 4 vertically penetrates through a supporting frame 24 and is connected on the inner wall of the sliding chute 2 in a sliding way, the side wall of the sliding block 4 is fixedly connected with a sealing elastic strip 3 for sealing the sliding groove 2, the two sides of the sealing elastic strip 3 are connected with the inner wall of the sealing groove 32 in a sliding way, the inner wall of the sealing groove 32 is fixedly connected with a sealing gasket 31 for sealing the sealing elastic strip 3, a supporting strip 22 for preventing the sealing elastic strip 3 from bending and deforming is fixedly connected inside the sealing elastic strip 3.

The rolling attaching mechanism is used for attaching the protective film on the support 18 to the panel by using air released by the sealing ball 9 as power and driving the squeeze roller 17 by the slider 4, so that the attaching efficiency of the protective film is improved, air is prevented from existing between the protective film and the panel, the attaching quality is improved, and the use by a user is facilitated.

The working principle of the invention is as follows:

during the use, place the protection film on support 18, make the protection film slope under squeeze roll 17's effect, then place the panel on first draw-in groove 16, then press to move and place frame 11, it drives the panel and is close to support 18 to place frame 11, it drives first fixed frame 14 and removes to place frame 11, first fixed frame 14 drives push rod 12 and removes, first fixed frame 14 inner wall slides along first slide bar 10 lateral wall upper end, and compress first spring 15, first fixed frame 14 carries inside air in air guide channel 13, air guide channel 13 carries inside the ball sealer 9 with the air, thereby compress the air inside ball sealer 9.

When the push rod 12 contacts with the receiving frame 7, the push rod 12 drives the receiving frame 7 to move, the receiving frame 7 drives the connecting rod 6 to move, the connecting rod 6 drives the plugging block 30 to move, the plugging block 30 removes plugging on the through hole 29, compressed air in the sealing ball 9 moves to the inside of the sliding groove 2 through the air duct 5, under the action of pressure, the sliding block 4 slides along the inner wall of the sliding groove 2, and the sliding block 4 drives the extrusion roller 17 to move along the lower end of the protective film, so that the protective film is attached to the panel.

Then under the effect of first spring 15 and second spring 20, first fixed frame 14 and second fixed frame 21 drive place the frame 11 rebound, and the air is taken out to the sealed ball 9 inside from spout 2 is inside, and under the effect of pressure, slider 4 slides along the 2 inner walls of spout, and slider 4 drives squeeze roll 17 and resets.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.