CN214687935U - Screen protection film laminating device - Google Patents

Abstract

The utility model discloses a screen protection film laminating device, its technical scheme is: which comprises an outer shell, the first cavity has all been seted up to the shell both sides, the second cavity, two have all been seted up to the shell both sides the first cavity is located two inboards of two cavities respectively, the inside two fixture blocks that are equipped with of shell, two the fixture block inboard is equipped with cell-phone body, cell-phone body top is equipped with protection film body, one of them the two insides of cavity are equipped with the connecting rod, connecting rod one end extends to two insides of another cavity, the connecting rod passes through the bearing with the shell and is connected, the beneficial effects of the utility model are that: the eccentric wheel is beaten the connecting plate constantly, just can make spring two constantly compress and kick-back, just can make the continuous protection film body of patting of attaching plate, and the efficiency that the bubble was got rid of just can be accelerated to the cooperation gyro wheel, just so can not lead to the fact the injury to the protection film body, can guarantee the integrality and the aesthetic property of protection film body, more can not cause the waste of protection film.

Description

Screen protection film laminating device

Technical Field

The utility model relates to a cell-phone pad pasting technical field, concretely relates to screen protection film laminating device.

Background

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.

The prior art has the following defects: a lot of bubbles can be left between a mobile phone screen and a protective film when the mobile phone is pasted with the film, the existing screen protective film pasting device does not have the function of removing the bubbles, the bubbles need to be manually scraped by a card or the film is taken off to be pasted again, the bubbles scraped by the card possibly injure the protective film and cannot ensure the integrity of the protective film, and the protective film is possibly adhered with dust if the film is pasted again for the second time, so that the waste of the protective film can be caused.

Therefore, the utility model discloses a screen protection film laminating device is very necessary.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a screen protection film laminating device, which can remove air bubbles by driving a connecting block to move through the rotation of a motor, can drive a gear to move in a toothed plate when the connecting block moves, can drive a rotating shaft to rotate, can drive an eccentric wheel to continuously hit a connecting plate through the rotating shaft to continuously compress and rebound a spring II, can continuously flap a protection film body through the laminating plate, can accelerate the efficiency of removing the air bubbles by matching with the roller, cannot cause damage to the protection film body, and solves the problem that a plurality of air bubbles can be left between a mobile phone screen and a protection film when the mobile phone is laminated, the existing screen protection film laminating device does not have the function of removing the air bubbles, and the air bubbles need to be manually scraped by a card or the film is taken off to be re-laminated, the air bubbles scraped by the card may damage the protective film and cannot ensure the integrity of the protective film, and dust may adhere to the protective film if the protective film is attached again for the second time, so that the protective film is wasted.

In order to achieve the above object, the present invention provides the following technical solutions: a screen protection film laminating device comprises a shell, wherein two sides of the shell are respectively provided with a first cavity, two sides of the shell are respectively provided with a second cavity, the two first cavities are respectively positioned at the inner sides of the two second cavities, two clamping blocks are arranged inside the shell, a mobile phone body is arranged at the inner sides of the two clamping blocks, a protection film body is arranged at the top of the mobile phone body, a connecting rod is arranged inside one of the two cavities, one end of the connecting rod extends into the other cavity, the connecting rod is connected with the shell through a bearing, and a laminating mechanism is arranged inside the shell;

the laminating mechanism comprises a motor, the motor is fixedly arranged on one side of the shell, a protection assembly is arranged outside the motor, a reciprocating screw is fixedly connected with an output shaft of the motor, one end of the reciprocating screw extends to the inner wall of the other side of the shell, a bearing seat is sleeved outside the reciprocating screw, the bearing seat is connected with the reciprocating screw through a ball nut pair, a first connecting block is fixedly connected to the bottom of the bearing seat, a third cavity is formed inside the first connecting block, a second connecting block is arranged inside the third cavity, the top of the second connecting block is fixedly connected with a first spring, the top of the first spring is fixedly connected with the top of the third cavity, a fourth cavity is formed inside the second connecting block, two first rotating shafts are embedded inside the fourth cavity, rollers are fixedly sleeved outside the first rotating shafts, and laminating assemblies are arranged on two sides of the first connecting block, two the fixture block outside all is equipped with fixed subassembly, reciprocal lead screw passes through the bearing with the shell and is connected, pivot one passes through the bearing with linking up piece one and is connected.

Preferably, the laminating subassembly includes the connecting block, connecting block inside has seted up cavity five, the connecting block bottom is equipped with the attaching plate, the attaching plate top is connected with pivot two, two tops of pivot extend to cavity five insidely, two tops of pivot are connected with the connecting plate, two external covers in pivot are equipped with spring two, two tops of spring are fixed connection respectively in connecting plate bottom and cavity five bottoms with the bottom.

Preferably, five inside inlays of cavity are equipped with pivot three, pivot three is located the connecting plate bottom, three outside fixed sheathes in of pivot are equipped with eccentric wheel and bevel gear one, bevel gear one side is equipped with bevel gear two, bevel gear two meshes with bevel gear one mutually, two top fixedly connected with pivots four of bevel gear, four tops of pivot extend to connecting block top shell, the outside fixed cover in four tops of pivot is equipped with gear one, the inside fixedly connected with pinion rack of shell, the pinion rack is located a rear side of linking block, gear one inlays to be established inside the pinion rack and meshes with the pinion rack mutually, pivot three passes through the bearing with the connecting block and is connected, pivot four passes through the bearing with the connecting block and is connected.

Preferably, bearing frame top fixedly connected with stopper, the spacing groove has been seted up to shell top inner wall, the stopper inlays to be established at spacing inslot portion and with spacing groove phase-match.

Preferably, fixed subassembly includes two threaded rods, two threaded rod one end all extends to shell one side outside, two the threaded rod outside all is equipped with the thread piece, the thread piece passes through threaded connection, two with the threaded rod the thread piece all inlays to be established inside cavity one, the thread piece passes through the bearing with the shell and is connected, the cavity one side is connected with pivot five, it is outside that five ends of pivot extend to shell one side, five end fixedly connected with knobs of pivot.

Preferably, fixture block one side fixedly connected with two springs three, two the equal fixed connection of three one ends of spring is at shell one side inner wall, two the spring is located two threaded rods inboardly, two the outside equal fixed cover of screw block is equipped with the ring gear, five outside fixed covers of pivot are equipped with gear two, gear two is located two ring gear inboards, two respectively inlay establish at two ring gears inside and mesh mutually with the ring gear.

Preferably, the five outsides of pivot all fix the cover with the connecting rod outside and be equipped with the sprocket, the sprocket is located two insides of cavity, two the sprocket outside all is equipped with the chain, two connect through chain drive between the sprocket.

Preferably, the bottoms of the two clamping blocks are fixedly connected with sliding blocks, the inner wall of the bottom of the shell is provided with two sliding grooves, and the two sliding blocks are respectively embedded in the two sliding grooves and matched with the sliding grooves.

Preferably, the protection assembly comprises a protection shell, the protection shell is fixedly connected to one side of the shell, the protection shell is sleeved outside the motor, and a plurality of heat dissipation holes are formed in the top and the bottom of the protection shell.

Preferably, the protection assembly comprises a protection shell, the protection shell is fixedly connected to one side of the shell, the protection shell is sleeved outside the motor, and the top and the bottom of the protection shell are fixedly embedded with a heat dissipation net.

The utility model has the advantages that:

1. the utility model discloses a rotation knob just can make the screw thread piece rotate, because the screw thread piece makes to inlay and establishes in cavity one, the screw thread piece just does not move, just can make the threaded rod remove when the screw thread piece rotates, the threaded rod removes and just can drive the fixture block and remove, the fixture block removes and just can make spring three be compressed, just can put the cell-phone body between two fixture blocks when the distance between two fixture blocks three becomes big, loose piece knob just can fix the cell-phone body, just can not make the cell-phone body remove when removing the bubble, can make the cell-phone body keep a stable state, just can guarantee the efficiency of removing the bubble;

2. the utility model can remove the air bubbles by moving the connecting block as soon as the motor rotates to drive the connecting block to move and the roller moves on the protective film body as soon as the connecting block moves, and the connecting block can drive the gear to move in the toothed plate when moving, so that the rotating shaft IV can rotate, the eccentric wheel can continuously hit the connecting plate by the rotating shaft IV, the spring II can be continuously compressed and rebounded, and the attaching plate can continuously flap the protective film body, the distance between the mobile phone body and the connecting block can be changed by adjusting the fixed position of the mobile phone body, so that the spring can be compressed as soon as the spring is compressed, thus, the force of the roller rolling the protective film body can be adjusted, the efficiency of removing bubbles can be accelerated by matching with the attaching plate, the protective film body can not be damaged, the integrity and the aesthetic property of the protective film body can be ensured, and the waste of the protective film can be avoided.

Drawings

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a front view cross-sectional view provided by the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 2 according to the present invention;

fig. 5 is a schematic view of the overall structure of embodiment 2 provided by the present invention;

in the figure: the mobile phone comprises a shell 1, a clamping block 2, a mobile phone body 3, a protective film body 4, a connecting rod 5, a motor 6, a reciprocating lead screw 7, a bearing seat 8, a first connecting block 9, a second connecting block 10, a first spring 11, a first rotating shaft 12, a roller 13, a connecting block 14, a laminating plate 15, a second rotating shaft 16, a connecting plate 17, a second spring 18, a third rotating shaft 19, an eccentric wheel 20, a first bevel gear 21, a second bevel gear 22, a fourth rotating shaft 23, a first gear 24, a toothed plate 25, a limiting block 26, a threaded rod 27, a threaded block 28, a fifth rotating shaft 29, a knob 30, a third spring 31, a third gear ring 32, a second gear 33, a sprocket 34, a chain 35, a sliding block 36, a protective shell 37, a heat dissipation hole 38 and a heat dissipation net 39.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Embodiment 1, refer to fig. 1-4, the utility model provides a screen protection film laminating device, including shell 1, shell 1 both sides have all been seted up cavity one, shell 1 both sides have all been seted up cavity two, two cavity one is located two cavity two inboards respectively, shell 1 is inside to be equipped with two fixture blocks 2, two fixture block 2 inboards are equipped with cell-phone body 3, cell-phone body 3 top is equipped with protection film body 4, one of them cavity two is inside to be equipped with connecting rod 5, connecting rod 5 one end extends to another cavity two insides, connecting rod 5 is connected through the bearing with shell 1, shell 1 is inside to be equipped with laminating mechanism;

the laminating mechanism comprises a motor 6, the motor 6 is fixedly arranged on one side of a shell 1, a protection assembly is arranged outside the motor 6, an output shaft of the motor 6 is fixedly connected with a reciprocating screw 7, one end of the reciprocating screw 7 extends to the inner wall of the other side of the shell 1, a bearing seat 8 is sleeved outside the reciprocating screw 7, the bearing seat 8 is connected with the reciprocating screw 7 through a ball nut pair, the bottom of the bearing seat 8 is fixedly connected with a first connecting block 9, a third cavity is formed inside the first connecting block 9, a second connecting block 10 is arranged inside the third cavity, two springs 11 are fixedly connected to the top of the second connecting block 10, the tops of the two springs 11 are fixedly connected with the third cavity, a fourth cavity is formed inside the second connecting block 10, two first rotating shafts 12 are embedded inside the fourth cavity, and idler wheels 13 are fixedly sleeved outside the first rotating shafts 12, the two sides of the first joining block 9 are provided with the fitting assemblies, the two sides of the clamping block 2 are provided with the fixing assemblies, the reciprocating screw 7 is connected with the shell 1 through a bearing, and the first rotating shaft 12 is connected with the first joining block 9 through a bearing.

Further, the attaching assembly comprises a connecting block 14, a cavity five is formed in the connecting block 14, an attaching plate 15 is arranged at the bottom of the connecting block 14, the top of the attaching plate 15 is connected with a rotating shaft two 16, the top end of the rotating shaft two 16 extends into the cavity five, the top end of the rotating shaft two 16 is connected with a connecting plate 17, a spring two 18 is sleeved outside the rotating shaft two 16, the top and the bottom of the spring two 18 are fixedly connected to the bottom of the connecting plate 17 and the bottom of the cavity five respectively, and the attaching plate 15 can be matched with the roller 13 to accelerate bubble removal efficiency;

furthermore, a third rotating shaft 19 is embedded in the fifth cavity, the third rotating shaft 19 is positioned at the bottom of the connecting plate 17, an eccentric wheel 20 and a bevel gear I21 are fixedly sleeved outside the rotating shaft III 19, a bevel gear II 22 is arranged on one side of the bevel gear I21, the second bevel gear 22 is meshed with the first bevel gear 21, the top of the second bevel gear 22 is fixedly connected with a rotating shaft four 23, the top end of the fourth rotating shaft 23 extends to the shell 1 at the top of the connecting block 14, a first gear 24 is fixedly sleeved outside the top end of the fourth rotating shaft 23, a toothed plate 25 is fixedly connected in the shell 1, the toothed plate 25 is positioned at the rear side of the first joining block 9, the first gear 24 is embedded in the toothed plate 25 and meshed with the toothed plate 25, the third rotating shaft 19 is connected with the connecting block 14 through a bearing, the rotating shaft four 23 is connected with the connecting block 14 through a bearing, and the abrasion generated when the device is used can be reduced through the bearing connection;

furthermore, the top of the bearing seat 8 is fixedly connected with a limiting block 26, the inner wall of the top of the housing 1 is provided with a limiting groove, the limiting block 26 is embedded in the limiting groove and matched with the limiting groove, and the limiting block 26 can enable the bearing seat 8 to be more stable during movement;

further, the fixing assembly comprises two threaded rods 27, one ends of the two threaded rods 27 extend to the outside of one side of the shell 1, thread blocks 28 are sleeved on the outside of the two threaded rods 27, the thread blocks 28 are in threaded connection with the threaded rods 27, the two thread blocks 28 are embedded in a first cavity, the thread blocks 28 are connected with the shell 1 through bearings, a fifth rotating shaft 29 is connected to one side of the cavity, one end of the fifth rotating shaft 29 extends to the outside of one side of the shell 1, one end of the fifth rotating shaft 29 is fixedly connected with a knob 30, and the distance between the two clamping blocks 2 can be adjusted by rotating the knob 30;

furthermore, one side of the fixture block 2 is fixedly connected with two springs III 31, one ends of the two springs III 31 are fixedly connected to the inner wall of one side of the shell 1, the two springs are located inside the two threaded rods 27, gear rings 32 are fixedly sleeved outside the two threaded blocks 28, a gear II 33 is fixedly sleeved outside the rotating shaft V29, the gear II 33 is located inside the two gear rings 32, the gear II 33 is respectively embedded inside the two gear rings 32 and meshed with the gear rings 32, and the two threaded blocks 28 can be rotated by the rotation of the gear II 33;

further, chain wheels 34 are fixedly sleeved outside the five rotating shafts 29 and the connecting rod 5, the chain wheels 34 are located inside the second cavity, chains 35 are sleeved outside the two chain wheels 34, the two chain wheels 34 are in driving connection through the chains 35, and the connecting rod 5 and the five rotating shafts 29 can rotate simultaneously through the chains 35;

further, the bottoms of the two clamping blocks 2 are fixedly connected with sliding blocks 36, the inner wall of the bottom of the shell 1 is provided with two sliding grooves, the two sliding blocks 36 are respectively embedded in the two sliding grooves and matched with the sliding grooves, and the sliding blocks 36 can enable the clamping blocks 2 to be more stable during movement;

further, the protection assembly comprises a protection shell 37, the protection shell 37 is fixedly connected to one side of the shell 1, the protection shell 37 is sleeved outside the motor 6, a plurality of heat dissipation holes 38 are formed in the top and the bottom of the protection shell 37, and heat generated during the operation of the motor 6 can be discharged through the heat dissipation holes 38.

The utility model discloses a use as follows: when the utility model is used, the knob 30 is rotated to drive the five rotating shafts 29 to rotate, the five rotating shafts 29 are rotated to drive the left chain wheel 34 to rotate, the left chain wheel 34 is rotated to drive the right chain wheel 34 to rotate, the right chain wheel 34 is rotated to drive the right rotating shaft five 29 to rotate, the two five rotating shafts 29 are rotated to drive the two gears 33 to rotate, the two gears 33 are rotated to drive the four screw blocks 28 to rotate, because the screw blocks 28 are embedded in the cavity, the screw blocks 28 are not moved, the screw rod 27 can be moved when the screw blocks 28 are rotated, the screw rod 27 can be moved to drive the fixture blocks 2 to move, the spring three 31 can be compressed when the distance between the two fixture blocks 2 is increased, the mobile phone body 3 can be placed between the two fixture blocks 2, and the mobile phone body 3 can be fixed by the loose knob 30, the motor 6 works to drive the reciprocating screw 7 to rotate, the reciprocating screw 7 rotates to drive the bearing seat 8 to move, the bearing seat 8 moves to drive the linking block I9 to move, the linking block I9 moves to drive the roller 13 to move on the surface of the protective film body 4, bubbles can be removed, the linking block I9 moves to drive the gear I24 to move inside the toothed plate 25, so that the gear I24 rotates, the gear I24 rotates to drive the rotating shaft IV 23 to rotate, the rotating shaft IV 23 rotates to drive the bevel gear II 22 to rotate, the bevel gear II 22 rotates to drive the bevel gear I21 to rotate, the bevel gear I21 rotates to drive the rotating shaft III 19 to rotate, the rotating shaft III 19 rotates to drive the eccentric wheel 20 to rotate, the eccentric wheel 20 continuously strikes the connecting plate 17, the spring II 18 can be continuously compressed and rebounded, the attaching plate 15 can continuously flap the protective film body 4, and the bubble removing efficiency can be accelerated by matching with the roller 13.

Embodiment 2, refer to fig. 5, the utility model provides a pair of screen protection film laminating device, the difference with embodiment 1 is, the protection subassembly includes protective housing 37, protective housing 37 fixed connection is in shell 1 one side, the protective housing 37 cover is established at 6 outsides of motor, protective housing 37 top and bottom are all fixed to be inlayed and are equipped with radiator-grid 39.

The utility model discloses a use as follows: the motor 6 works to drive the reciprocating screw 7 to rotate, the reciprocating screw 7 rotates to drive the bearing seat 8 to move, the bearing seat 8 moves to drive the linking block I9 to move, the linking block I9 moves to drive the roller 13 to move on the surface of the protective film body 4, bubbles can be removed, the linking block I9 moves to drive the gear I24 to move inside the toothed plate 25, the gear I24 rotates to drive the rotating shaft IV 23 to rotate, the rotating shaft IV 23 rotates to drive the bevel gear II 22 to rotate, the bevel gear II 22 rotates to drive the bevel gear I21 to rotate, the bevel gear I21 rotates to drive the rotating shaft III 19 to rotate, the rotating shaft III 19 rotates to drive the eccentric wheel 20 to rotate, heat generated by the motor 6 in work can be discharged through the heat dissipation net 39, and dust in the air can enter the motor 6 to influence the normal use of the motor 6.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims (10)

1. The utility model provides a screen protection film laminating device, includes shell (1), its characterized in that: the mobile phone comprises a shell (1), wherein two sides of the shell (1) are respectively provided with a first cavity, two sides of the shell (1) are respectively provided with a second cavity, the two first cavities are respectively positioned at the inner sides of the two second cavities, two clamping blocks (2) are arranged inside the shell (1), a mobile phone body (3) is arranged at the inner sides of the two clamping blocks (2), a protective film body (4) is arranged at the top of the mobile phone body (3), a connecting rod (5) is arranged inside one of the two cavities, one end of the connecting rod (5) extends to the inner part of the other two cavities, the connecting rod (5) is connected with the shell (1) through a bearing, and a laminating mechanism is arranged inside the shell (1);

the laminating mechanism comprises a motor (6), the motor (6) is fixedly installed on one side of the shell (1), a protection assembly is arranged outside the motor (6), an output shaft of the motor (6) is fixedly connected with a reciprocating lead screw (7), one end of the reciprocating lead screw (7) extends to the inner wall of the other side of the shell (1), a bearing seat (8) is sleeved outside the reciprocating lead screw (7), the bearing seat (8) is connected with the reciprocating lead screw (7) through a ball nut pair, a first linking block (9) is fixedly connected to the bottom of the bearing seat (8), a third cavity is formed inside the first linking block (9), a second linking block (10) is arranged inside the third cavity, two first springs (11) are fixedly connected to the top of the second linking block (10), two third cavities are fixedly connected to the top of the first springs (11), and a fourth cavity is formed inside the second linking block (10), the cavity is four inside inlays and is equipped with two pivot one (12), two the equal fixed cover in pivot one (12) outside is equipped with gyro wheel (13), link up a piece (9) both sides and all be equipped with the laminating subassembly, two the fixture block (2) outside all is equipped with fixed subassembly, reciprocal lead screw (7) is connected through the bearing with shell (1), pivot one (12) are connected through the bearing with linking piece one (9).

2. The screen protective film attaching device according to claim 1, characterized in that: laminating subassembly includes connecting block (14), connecting block (14) inside cavity five of having seted up, connecting block (14) bottom is equipped with attaching plate (15), attaching plate (15) top is connected with pivot two (16), pivot two (16) tops extend to five insides of cavity, pivot two (16) tops are connected with connecting plate (17), pivot two (16) outside cover is equipped with spring two (18), spring two (18) tops and bottom difference fixed connection are in connecting plate (17) bottom and five bottoms of cavity.

3. The screen protective film attaching device according to claim 2, characterized in that: the cavity is internally provided with a rotating shaft III (19) in an embedded mode, the rotating shaft III (19) is located at the bottom of the connecting plate (17), the rotating shaft III (19) is externally provided with an eccentric wheel (20) and a bevel gear I (21) in a fixed sleeve mode, one side of the bevel gear I (21) is provided with a bevel gear II (22), the bevel gear II (22) is meshed with the bevel gear I (21), the top of the bevel gear II (22) is fixedly connected with a rotating shaft IV (23), the top of the rotating shaft IV (23) extends to the connecting block (14) top shell (1), the top of the rotating shaft IV (23) is fixedly provided with a gear I (24) in a fixed sleeve mode, the shell (1) is internally and fixedly connected with a toothed plate (25), the toothed plate (25) is located at the rear side of the connecting block I (9), the gear I (24) is embedded in the toothed plate (25) and meshed with the toothed plate (25), and the rotating shaft III (19) is connected with the connecting block (14) through a bearing, the rotating shaft four (23) is connected with the connecting block (14) through a bearing.

4. The screen protective film attaching device according to claim 1, characterized in that: bearing frame (8) top fixedly connected with stopper (26), the spacing groove has been seted up to shell (1) top inner wall, stopper (26) inlay establish at spacing inslot portion and with spacing groove phase-match.

5. The screen protective film attaching device according to claim 1, characterized in that: fixed subassembly includes two threaded rods (27), two threaded rod (27) one end all extends to shell (1) one side outside, two threaded rod (27) outside all is equipped with thread block (28), thread block (28) and threaded rod (27) pass through threaded connection, two thread block (28) all inlay and establish inside cavity, thread block (28) are connected through the bearing with shell (1), one side of cavity is connected with five (29) of pivot, five (29) one end of pivot extends to shell (1) one side outside, five (29) one end fixedly connected with knob (30) of pivot.

6. The screen protective film attaching device according to claim 5, wherein: fixture block (2) one side fixedly connected with two three (31) springs, two the equal fixed connection of three (31) one end of spring is at shell (1) one side inner wall, two the spring is located two threaded rod (27) inboards, two the outside equal fixed cover of screw block (28) is equipped with ring gear (32), the fixed cover in five (29) outside of pivot is equipped with gear two (33), gear two (33) are located two ring gear (32) inboards, gear two (33) are inlayed respectively and are established at two ring gear (32) inside and mesh mutually with ring gear (32).

7. The screen protective film attaching device according to claim 5, wherein: the rotating shaft five (29) is externally provided with a chain wheel (34) which is fixedly sleeved with a connecting rod (5) and is arranged inside the cavity two, the chain wheel (34) is externally provided with a chain (35) which is driven and connected through the chain (35) between the chain wheel (34).

8. The screen protective film attaching device according to claim 1, characterized in that: two equal fixedly connected with slider (36) in fixture block (2) bottom, two spouts have been seted up to shell (1) bottom inner wall, two slider (36) inlay respectively establish inside and with the spout phase-match at two spouts.

9. The screen protective film attaching device according to claim 1, characterized in that: the protection assembly comprises a protection shell (37), the protection shell (37) is fixedly connected to one side of the shell (1), the protection shell (37) is sleeved outside the motor (6), and a plurality of heat dissipation holes (38) are formed in the top and the bottom of the protection shell (37).

10. The screen protective film attaching device according to claim 1, characterized in that: the protection assembly comprises a protection shell (37), the protection shell (37) is fixedly connected to one side of the shell (1), the protection shell (37) is sleeved outside the motor (6), and the top and the bottom of the protection shell (37) are fixedly embedded with a heat dissipation net (39).

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