CN109204987B - Fixed subassembly and dyestripping device - Google Patents

Abstract

The application provides a fixed subassembly and dyestripping device. Fixed subassembly is used for fixed lens membrane to lens membrane and lens separation, lens membrane include relative first spacing hole and the spacing hole of second, and fixed subassembly includes: the clamping piece comprises a first limiting piece and a second limiting piece, the first limiting piece is used for clamping a first limiting hole, and the second limiting piece is used for clamping a second limiting hole; when the sliding part slides to drive the rotating part to rotate relative to the supporting base, the buckling part is used for fixing the lens film at the preset position of the supporting base. The application provides a fixed subassembly for fixed lens membrane to with lens membrane and lens separation.

Description

Fixed subassembly and dyestripping device

Technical Field

The application relates to the technical field of mechanical equipment, in particular to a fixing assembly and a film tearing device.

Background

The camera lens of the electronic equipment can protect the camera components. After the lens is produced, in order to keep the smoothness and the aesthetic degree of the lens, a protective film needs to be attached to the surface of the lens, a plastic film on the surface needs to be torn off in the later processing process, and the surface of the lens cannot have any stain to achieve the optimal perspective effect. The traditional lens film tearing method generally adopts two modes of manual film tearing and film tearing of a film tearing machine, so that a human hand is very easy to touch the lens in the manual film tearing process, the lens is polluted by oil sweat, the lens is scrapped, and the manual film tearing efficiency is low; the dyestripping machine on the market is fixed with the lens earlier, adopts the adhesive tape to tear the membrane again, makes lens and plastic film separation through the adhesive force of adhesive tape, and the viscose of adhesive tape nevertheless can cause the destruction to the lens.

Disclosure of Invention

The application provides a fixed subassembly, fixed subassembly is used for fixed lens membrane to lens membrane and lens separation, the lens membrane includes relative first spacing hole and the spacing hole of second, fixed subassembly includes: the clamping device comprises a sliding piece, a supporting base, a rotating piece and a clamping piece, wherein the sliding piece is connected to the supporting base in a sliding mode, the rotating piece is connected to the supporting base in a rotating mode and matched with the sliding piece, the clamping piece is located on one side, far away from the supporting base, of the rotating piece and fixedly connected with the rotating piece, the clamping piece comprises a first limiting piece and a second limiting piece, the first limiting piece is used for clamping the first limiting hole, and the second limiting piece is used for clamping the second limiting hole; when the sliding piece slides to drive the rotating piece to rotate compared with the supporting base, the buckling piece is used for fixing the lens film at the preset position of the supporting base.

The fixing assembly comprises a sliding part, a supporting base, a rotating part and a buckling part, wherein the sliding part is connected to the supporting base in a sliding mode, the rotating part is connected to the supporting base in a rotating mode and matched with the sliding part, the buckling part is located on one side, away from the supporting base, of the rotating part and fixedly connected with the rotating part, the buckling part comprises a first limiting part and a second limiting part, the first limiting part is used for clamping a first limiting hole of a lens film, and the second limiting part is used for clamping a second limiting hole of the lens film; when the sliding piece slides to drive the rotating piece to rotate compared with the supporting base, the buckling piece is used for fixing the lens film at the preset position of the supporting base. The lens film is fixed through the fastener, and the lens can be conveniently separated from the lens film.

The application still provides a dyestripping device, the dyestripping device include the pulling force subassembly with as above fixed subassembly, the pulling force subassembly with position between the fixed subassembly is adjustable, works as when fixed subassembly is used for fixing lens membrane and lens, the pulling force subassembly is right the pulling force is applyed to the lens, with will the lens with lens membrane separation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lens film fixed by a fixing component according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a fixing assembly provided in the second embodiment of the present application.

Fig. 3 is a schematic structural diagram of a fixing assembly provided in the third embodiment of the present application.

Fig. 4 is a schematic structural diagram of a support plate in the third embodiment of the present application.

Fig. 5 is a schematic structural diagram of a fixing assembly provided in the fourth embodiment of the present application.

Fig. 6 is a schematic structural diagram of a film tearing apparatus according to a preferred embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive effort based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a lens film fixed by a fixing element according to an embodiment of the present disclosure. In this embodiment, the fixing assembly 10 is used for fixing a lens film 10a, so that the lens film 10a is separated from a lens 10b, the lens film 10a includes a first limiting hole 10c and a second limiting hole 10d opposite to each other, and the fixing assembly 10 includes a sliding member 100, a supporting base 200, a rotating member 300, and a fastening member 400. The sliding member 100 is slidably connected to the supporting base 200, the rotating member 300 is rotatably connected to the supporting base 200 and is matched with the sliding member 100, and the fastening member 400 is located on one side of the rotating member 300, which is far away from the supporting base 200, and is fixedly connected with the rotating member 300. The fastener 400 includes a first limiting member 410 and a second limiting member 420, wherein the first limiting member 410 is used for clamping the first limiting hole 10c, and the second limiting member 420 is used for clamping the second limiting hole 10 d. When the sliding member 100 slides to drive the rotating member 300 to rotate compared with the supporting base 200, the fastening member 400 is used to fix the lens film 10a at a predetermined position of the supporting base 200.

Alternatively, the sliding member 100 may be a rack, the rotating member 300 may be a gear, and the sliding member 100 and the rotating member 300 are engaged with each other.

Specifically, when the sliding member 100 moves towards the first direction compared to the supporting base 200, the rotating member 300 rotates clockwise to drive the fastening member 400 to rotate clockwise, and is in the first state, at this time, the first limiting member 410 can conveniently pass through the first limiting hole 10c, and the second limiting member 420 can conveniently pass through the second limiting hole 10 d. When the sliding member 100 moves toward a second direction opposite to the first direction compared to the supporting base 200, the rotating member 300 rotates counterclockwise to drive the fastening member 400 to rotate counterclockwise and is in a second state, at this time, the first limiting member 410 clamps the first limiting hole 10c, and the second limiting member 420 clamps the second limiting hole 10d, so as to fix the lens film 10a at the predetermined position of the supporting base 200.

Alternatively, the first and second position-limiting holes 10c and 10d may be formed in an elliptical shape, a square shape, a rectangular shape, or the like. The first limiting part 410 comprises a first connecting rod and a first clamping part which are connected, the maximum outline size of the first connecting rod is smaller than that of the first clamping part, the first connecting rod is fixedly connected with the rotating part 300, the first clamping part is in clearance fit with the first limiting hole 10c, and the clearance between the first clamping part and the first limiting hole 10c is smaller than 0.05 mm. The second limiting part 420 comprises a second connecting rod and a second clamping part which are connected, the maximum outline size of the second connecting rod is smaller than that of the second clamping part, the second connecting rod is fixedly connected with the rotating part 300, the second clamping part is in clearance fit with the second limiting hole 10d, and the clearance between the second clamping part and the second limiting hole 10d is smaller than 0.05 mm.

Optionally, a sliding rail is disposed between the sliding member 100 and the supporting base 200, the sliding rail is fixedly connected to the supporting base 200, and the sliding member 100 slides relative to the supporting base 200 through the sliding rail. Glide 100 with still be provided with the lubricant film between the slide rail, the lubricant film is used for reducing on the one hand glide 100 with frictional force between the slide rail, on the other hand, still be used for right glide 100 with the slide rail cools down, prevents glide 100 with the slide rail high temperature helps the extension glide 100 with the life of slide rail. The fixing component 10 further includes a fixing component, and the fixing component is used for limiting the sliding component 100, so that the sliding component 100 is limited at a preset position of the slide rail.

Optionally, in an embodiment, the rotating member 300 includes a plurality of first sub-rotating members 310, all of the first sub-rotating members 310 are connected to the supporting base 200 and form a fit with the sliding member 100, and all of the first sub-rotating members 310 are located on the same side of the sliding member 100.

Specifically, all the first sub-rotating members 310 have the same size, and the distance between two adjacent first sub-rotating members 310 is kept consistent, so that the stress of the sliding member 100 is more uniform, the sliding member 100 is prevented from shaking greatly, and the stable operation of the fixing assembly 10 is maintained. The first sub-rotating members 310 correspond to the fastening members 400 one by one, and two adjacent first sub-rotating members 310 are matched with each other to drive the two adjacent fastening members 400 to rotate, so that the lens film 10a is fixed, and the lens film 10a and the lens 10b are conveniently separated.

Further, the distance between two adjacent first sub-rotating members 310 is adjustable, so that the lens films 10a with different sizes can be adapted, the application range of the fixing assembly 10 is expanded, the flexibility of adjusting the fixing assembly 10 is increased, and the popularization value is achieved.

The fixing assembly 10 provided by the present technical solution includes a sliding member 100, a supporting base 200, a rotating member 300 and a fastening member 400, wherein the sliding member 100 is slidably connected to the supporting base 200, the rotating member 300 is rotatably connected to the supporting base 200 and forms a fit with the sliding member 100, the fastening member 400 is located at one side of the rotating member 300 away from the supporting base 200 and is fixedly connected to the rotating member 300, the fastening member 400 includes a first limiting member 410 and a second limiting member 420, the first limiting member 410 is used for clamping a first limiting hole 10c of the lens film 10a, and the second limiting member 420 is used for clamping a second limiting hole 10d of the lens film 10 a; when the sliding member 100 slides to drive the rotating member 300 to rotate compared with the supporting base 200, the fastening member 400 is used to fix the lens film 10a at a predetermined position of the supporting base 200. The lens film 10a is fixed by the fastener 400, so that the lens 10b can be conveniently separated from the lens film 10 a.

Referring to fig. 1 and fig. 2 together, fig. 2 is a schematic structural diagram of a fixing element according to a second embodiment of the present application. The structure of the second embodiment is substantially the same as that of the first embodiment, except that in this embodiment, the rotating member 300 further includes a plurality of second sub-rotating members 320, the second sub-rotating members 320 are connected to the supporting base 200 and form a fit with the sliding member 100, and the first sub-rotating members 310 and the second sub-rotating members 320 are in one-to-one correspondence and are symmetrically disposed with respect to the supporting base 200.

Optionally, in an embodiment, the second sub-rotating member 320 is the same as the first sub-rotating member 310 in size and is symmetrically distributed about the supporting base 200, so that the force applied to the sliding member 100 is more uniform, the sliding member 100 is prevented from shaking greatly, and the stable operation of the fixing assembly 10 is maintained. The second sub-rotating members 320 correspond to the fastening members 400 one by one, and two adjacent second sub-rotating members 320 are matched with each other to drive the two adjacent fastening members 400 to rotate, so that the lens film 10a is fixed, and the lens film 10a and the lens 10b are conveniently separated. And since the second sub-rotating member 320 and the first sub-rotating member 310 are symmetrically distributed about the supporting base 200, when the first sub-rotating member 310 rotates, the second sub-rotating member 320 also rotates, so that the first sub-rotating member 310 and the second sub-rotating member 320 operate simultaneously, which helps to improve the working efficiency of the fixing assembly 10.

Further, the distance between two adjacent second sub-rotating members 320 is adjustable, so that the lens films 10a with different sizes can be adapted, the application range of the fixing component 10 is expanded, the adjustment flexibility of the fixing component 10 is improved, and the popularization value is achieved.

Furthermore, the distance between the adjacent first sub-rotating member 310 and the second sub-rotating member 320 is adjustable, so that the fit clearance between the first sub-rotating member 310 and the second sub-rotating member 320 and the sliding member 100 can be adjusted, on one hand, the sliding member 100 can be limited, so that the sliding member 100 moves along the preset direction, and the sliding direction of the sliding member 100 can be corrected; on the other hand, by adjusting the fit clearance between the first sub-rotating member 310 and the second sub-rotating member 320 and the sliding member 100, the smoothness of the sliding member 100 can be adjusted, and further the smoothness of the rotating member 300 during rotation can be adjusted, which is helpful for improving the running stability of the fixing assembly 10.

Referring to fig. 1, fig. 3 and fig. 4 together, fig. 3 is a schematic structural diagram of a fixing element according to a third embodiment of the present application. Fig. 4 is a schematic structural diagram of a support plate in the third embodiment of the present application. The third embodiment has a structure substantially the same as that of the first embodiment, except that in the present embodiment, the fixing assembly 10 further includes a supporting plate 500, the supporting plate 500 is located at a side of the first sub-rotating member 310 away from the supporting base 200, and the supporting plate 500 is fixedly connected between two adjacent first sub-rotating members 310, and the supporting plate 500 is used for supporting the lens film 10 a.

Optionally, the supporting plate 500 is provided with a first through hole 500a and a second through hole 500b which are opposite to each other, the first limiting member 410 is accommodated in the first through hole 500a, the second limiting member 420 is accommodated in the second through hole 500b, a first bearing is disposed between the first limiting member 410 and the first through hole 500a, a second bearing is disposed between the second limiting member 420 and the second through hole 500b, and the supporting plate 500 is rotatably connected to the supporting plate 500 through the first through hole 500a and the second through hole 500 b.

Further, the lengths of the first limiting member 410 and the second limiting member 420 are adjustable, so that the height of the supporting plate 500 compared with the supporting base 200 can be adjusted, the working space of the supporting plate 500 can be enlarged, and the flexibility of the fixing assembly 10 during working can be increased.

Furthermore, the supporting plate 500 can be plastically deformed, and the bending degree of the supporting plate 500 can be changed by adjusting the distance between two adjacent first sub-rotating members 310, so that the pre-tightening force of the supporting plate 500 on the lens film 10a can be adjusted, and the supporting plate 500 can better support the lens film 10a, thereby facilitating the separation of the subsequent lens film 10a from the lens 10 b.

Still further, the backup pad 500 with but be provided with evenly distributed's telescopic link between the support base 200, but telescopic link is used for the adjustment the backup pad 500 supported the position with support the distance between the base 200, thereby on the one hand can adjust the bending degree of backup pad 500 for backup pad 500 laminating lens membrane 10a, thereby support lens membrane 10a that can be better, on the other hand increases the support intensity of backup pad 500, prevents that backup pad 500 from producing uncontrollable deformation, thereby can improve the stability of fixed subassembly 10 work. Wherein, scalable pole can be electric putter, through the length of each electric putter of electric control, the change backup pad bending radian that just can be nimble to exert the pretightning force to lens membrane 10a, in order to play fixed lens membrane 10 a's effect, so that follow-up lens membrane 10a and lens 10b separate.

Optionally, in an embodiment, the support plate 500 includes a first support part 510, a second support part 520, and a third support part 530 connected in a bending manner, the first support part 510 includes a first connection part 511 and a first bending part 512 connected in a bending manner, the third support part 530 includes a second connection part 531 and a second bending part 532 connected in a bending manner, the first connection part 511 and the second connection part 531 are respectively and fixedly connected to two adjacent first sub-rotating members 310, the first bending part 512 is in a bending manner, a bending curvature of the first bending part 512 faces the support base 200, the second bending part 532 is in a bending manner, and a bending curvature of the second bending part 532 faces the support base 200.

Specifically, the support plate 500 has an arch shape of "Ω", so that a pre-tightening force can be better applied to the lens film 10a, and the lens film 10a can be fixed more firmly, thereby facilitating separation of the lens film 10a and the lens 10 b.

Further, the second supporting portion 520 is hollow to form an accommodating space 520a, and when the second supporting portion 520 is used for supporting the lens film 10a, the lens 10b is disposed opposite to the accommodating space 520 a.

Specifically, when the lens 10b is disposed opposite to the accommodating space 520a of the second support part 520, the second support part 520 may buffer the lens 10b, and when the lens 10b is stressed, the lens 10b may generate a small displacement in the thickness direction of the second support part 520, so as to protect the lens 10b, avoid a rigid contact between the lens 10b and the second support part 520, and avoid the lens 10b from being broken.

Referring to fig. 1 and 5, fig. 5 is a schematic structural diagram of a fixing assembly according to a fourth embodiment of the present application. The structure of the fourth embodiment is substantially the same as that of the first embodiment, except that in this embodiment, the fixing assembly 10 further includes a rotating member 600, the rotating member 600 is rotatably connected to the supporting base 200, the rotating member 600 has a first external thread, the sliding member 100 has a threaded hole and a first internal thread, the first external thread is matched with the first internal thread, and when the rotating member 600 rotates around its central axis compared with the supporting base 200, the sliding member 100 is driven to slide toward the extending direction of the threaded hole.

Alternatively, the rotating member 600 may be a screw, and the sliding member 100 may be a rack.

Specifically, rotate the piece 600 with cooperate through first external screw thread and first internal thread between the sliding piece 100, when rotating the piece 600 and compare in supporting base 200 around the clockwise rotation of self central axis, can drive sliding piece 100 moves towards first direction, and then drives rotating piece 300 rotates clockwise, makes buckle 400 rotates clockwise to it is fixed with lens membrane 10a joint. When the rotating member 600 rotates counterclockwise around its central axis in comparison with the supporting base 200, it can drive the sliding member 100 to move toward the second direction, and further drive the rotating member 300 to rotate counterclockwise, so that the fastening member 400 rotates counterclockwise, and the fastening of the lens film 10a is released. Wherein the first direction is opposite to the second direction. Further, in a preferred embodiment, the angle of rotation of the locking member 400 is 90 ° clockwise or counterclockwise.

Optionally, in a preferred embodiment, the central axis of the rotating member 600 is coincident with the central axis of the sliding member 100.

Specifically, the rotating member 600 is located at a central axis of the sliding member 100, and due to the threaded fit between the rotating member 600 and the sliding member 100, when the rotating member 600 is located at a central axis of the sliding member 100, the power of the rotating member 600 can be more uniformly transmitted to the sliding member 100, so that the stability of the fixing assembly 10 during operation can be improved.

Referring to fig. 1 and fig. 6 together, fig. 6 is a schematic structural diagram of a film tearing apparatus according to a preferred embodiment of the present application. In this embodiment, the film tearing device 1 comprises a pulling force component 20 and the fixing component 10 provided in any one of the above embodiments, the position between the pulling force component 20 and the fixing component 10 is adjustable, and when the fixing component 10 is used for fixing the lens film 10a, the pulling force component 20 applies pulling force to the lens 10b to separate the lens 10b from the lens film 10 a.

Specifically, the lens 10b is adhered to the lens film 10a, when the fixing assembly 10 fixes the lens film 10a, the lens 10b is located on a side of the lens film 10a away from the supporting base 200, and the pulling assembly 20 applies a pulling force to the lens 10b, so that the lens 10b is separated from the lens film 10 a.

Optionally, in an embodiment, the pulling force assembly 20 includes an adsorbing member for adsorbing the lens 10b, and a first power member for providing an adsorbing force to the adsorbing member.

Specifically, the adsorption member may be a suction cup, the first power member may be an air cylinder, and the first power member is used to provide an adsorption force to the adsorption member, so as to adsorb the lens 10b, so that the lens 10b is separated from the lens film 10 a.

Alternatively, the number of the adsorption member may be one or more. When the number of the adsorption pieces is one, the adsorption pieces are over against the central position of the lens 10b for adsorption. When the quantity of adsorbing the piece is a plurality of, adsorb the piece and be in evenly distributed on the lens 10b to evenly adsorb lens 10b, make lens 10b atress comparatively even, can form the protection to lens 10b on the one hand, on the other hand can be comparatively light with lens 10b from lens membrane 10a separation.

Optionally, in another embodiment, the pulling force assembly 20 comprises a clamping member for clamping the lens 10b and a second power member for providing a clamping force to the clamping member.

Specifically, the clamping member may be a manipulator, and the second power member may be a driving motor, where the driving motor is configured to provide a clamping force to the clamping member, so as to clamp the lens 10b, and separate the lens 10b from the lens film 10a by the clamping force to the lens 10 b.

Optionally, the number of the clamping pieces may be one or more. When the number of the clamping pieces is one, the clamping pieces clamp the edge part of the lens 10 b. When the number of the clamping pieces is multiple, the clamping pieces are uniformly distributed at the edge of the lens 10b, so that the lens 10b is uniformly clamped, the stress of the lens 10b is uniform, the lens 10b can be protected on one hand, and the lens 10b can be easily separated from the lens film 10a on the other hand.

The film tearing device 1 provided by the technical scheme comprises a fixing component 10 and a pulling component 20, wherein the fixing component 10 comprises a sliding part 100, a supporting base 200, a rotating part 300 and a buckling part 400, the sliding part 100 is slidably connected to the supporting base 200, the rotating part 300 is rotatably connected to the supporting base 200 and is matched with the sliding part 100, the buckling part 400 is located on one side of the rotating part 300, which is far away from the supporting base 200, and is fixedly connected with the rotating part 300, the buckling part 400 comprises a first limiting part 410 and a second limiting part 420, the first limiting part 410 is used for clamping a first limiting hole 10c of a lens film 10a, and the second limiting part 420 is used for clamping a second limiting hole 10d of the lens film 10 a; when the sliding member 100 slides to drive the rotating member 300 to rotate compared with the supporting base 200, the fastening member 400 is used to fix the lens film 10a at a predetermined position of the supporting base 200. When the fixing member 10 is used to fix the lens film 10a, the pulling member 20 is used to apply a pulling force to the lens 10b to separate the lens 10b from the lens film 10 a. Through the mutual cooperation of the fixing component 10 and the pulling force component 20, the lens 10b and the lens film 10a can be easily separated, and the protection of the lens 10b and the pollution of the lens 10b can be facilitated.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (12)

1. The utility model provides a fixed subassembly, fixed subassembly is used for fixed lens membrane to lens membrane and lens separation, the lens membrane includes relative first spacing hole and the spacing hole of second, its characterized in that, fixed subassembly includes: the clamping device comprises a sliding piece, a supporting base, a rotating piece and a clamping piece, wherein the sliding piece is connected to the supporting base in a sliding mode, the rotating piece is connected to the supporting base in a rotating mode and matched with the sliding piece, the clamping piece is located on one side, far away from the supporting base, of the rotating piece and fixedly connected with the rotating piece, the clamping piece comprises a first limiting piece and a second limiting piece, the first limiting piece is used for clamping the first limiting hole, and the second limiting piece is used for clamping the second limiting hole; when the sliding piece slides to drive the rotating piece to rotate compared with the supporting base, the buckling piece is used for fixing the lens film at the preset position of the supporting base.

2. The securing assembly according to claim 1, wherein the rotating member includes a plurality of first sub-rotating members, all of the first sub-rotating members being connected to the support base and cooperating with the sliding member, all of the first sub-rotating members being located on the same side of the sliding member.

3. The securing assembly of claim 2, wherein the rotating member further comprises a plurality of second sub-rotating members, the second sub-rotating members are connected to the support base and form a fit with the sliding member, and the first sub-rotating members and the second sub-rotating members are in one-to-one correspondence and are symmetrically arranged with respect to the support base.

4. The fixing assembly of claim 1, wherein when the sliding member moves toward a first direction relative to the supporting base, the locking member is in a first state, such that the first retaining member passes through the first retaining hole and the second retaining member passes through the second retaining hole; when the sliding part moves towards a second direction opposite to the first direction compared with the supporting base, the buckling part is in a second state, so that the first limiting part clamps the first limiting hole, and the second limiting part clamps the second limiting hole.

5. The fixing assembly according to claim 2, further comprising a support plate, wherein the support plate is located on a side of the first sub-rotating members away from the support base, and the support plate is fixedly connected between two adjacent first sub-rotating members, and the support plate is used for supporting the lens film.

6. The fixing assembly according to claim 5, wherein the supporting plate includes a first supporting portion, a second supporting portion and a third supporting portion connected in a curved manner, the first supporting portion includes a first connecting portion and a first bending portion connected in series, the third supporting portion includes a second connecting portion and a second bending portion connected in series, the first connecting portion and the second connecting portion are respectively and fixedly connected to two adjacent first sub-rotating members, the first bending portion is curved, the curvature of the first bending portion faces the supporting base, the second bending portion is curved, and the curvature of the second bending portion faces the supporting base.

7. The fastening assembly of claim 6, wherein the second support portion is hollow to form a receiving space.

8. The fixing assembly as claimed in claim 1, further comprising a rotating member rotatably connected to the supporting base, wherein the rotating member has a first external thread, the sliding member has a threaded hole and a first internal thread, and the first external thread is engaged with the first internal thread to drive the sliding member to slide toward an extending direction of the threaded hole when the rotating member rotates around a central axis thereof as compared with the supporting base.

9. The securing assembly of claim 8, wherein the central axis of the rotating member is coincident with the central axis of the glide member.

10. A film tearing apparatus, comprising a tensioning assembly and a securing assembly according to any of claims 1 to 9, the tensioning assembly being adjustably positionable relative to the securing assembly, the tensioning assembly applying a tensioning force to the lens to separate the lens from the lens film when the securing assembly is used to secure the lens film.

11. The film tearing apparatus of claim 10, wherein the pulling assembly comprises an absorbing member for absorbing the lens and a first power member for providing an absorbing force to the absorbing member.

12. The film tearing apparatus of claim 10, wherein the pulling assembly comprises a holding member for holding the lens and a second powered member for providing a holding force to the holding member.

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