CN111204040A - Mobile phone film pasting device - Google Patents

Mobile phone film pasting device Download PDF

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Publication number
CN111204040A
CN111204040A CN202010253934.1A CN202010253934A CN111204040A CN 111204040 A CN111204040 A CN 111204040A CN 202010253934 A CN202010253934 A CN 202010253934A CN 111204040 A CN111204040 A CN 111204040A
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CN
China
Prior art keywords
mobile phone
film
roller
film pasting
conveying mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010253934.1A
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Chinese (zh)
Inventor
刘建秀
潘胜利
吴深
李军
樊江磊
王艳
李育文
郝源丰
贾旭钢
程晓阳
刘子豪
史朝侠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou University of Light Industry
Original Assignee
Zhengzhou University of Light Industry
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou University of Light Industry filed Critical Zhengzhou University of Light Industry
Priority to CN202010253934.1A priority Critical patent/CN111204040A/en
Publication of CN111204040A publication Critical patent/CN111204040A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Telephone Set Structure (AREA)

Abstract

The invention relates to the technical field of mobile phone processing, and particularly discloses a mobile phone film pasting device which comprises a fixing frame, a mobile phone conveying mechanism, a film conveying mechanism and a film pressing mechanism, wherein the mobile phone conveying mechanism comprises a mobile phone fixing plate and a mobile phone positioning plate, the mobile phone fixing plate and the mobile phone positioning plate are connected through a ball screw, a first motor is arranged at the end part of the ball screw, and the ball screw is controlled by the first motor to rotate so as to drive the mobile phone positioning plate to move along the left-right direction; the film conveying mechanism comprises a base, a film tearing roller is arranged on a fixed frame at the lowest end of the base, and the film tearing roller rotates anticlockwise under the control of a second motor; the film pressing mechanism comprises a roller clamping plate, and the free end of the film pressing mechanism is rotatably connected with a film pasting roller. The mobile phone film sticking device can fix and automatically convey the mobile phone, complete cleaning and film sticking in the conveying process, reduce the position deviation in the manual film sticking, can perform one-time adjustment and multiple sticking, is suitable for batch operation, is convenient and quick, and ensures the effect.

Description

Mobile phone film pasting device
Technical Field
The invention relates to the technical field of mobile phone film pasting, and particularly discloses a mobile phone film pasting device.
Background
The development of smart phones drives the development of mobile phone films, which can make the mobile phones look bright in front and protect the real screen of the mobile phones from being damaged, so that users have an increasing tendency to the mobile phone films, and meanwhile, the requirements of the users on the mobile phone films are correspondingly increased. At present, a user generally goes to a special film pasting place to carry out mobile phone film pasting, however, machines used for film pasting in the life are large in size and difficult to operate, and therefore film pasting efficiency is not particularly high. Because the simple film sticking device is sent by a merchant who purchases mobile phone films on the internet, some people can choose to purchase the mobile phone films from the internet, but the simple film sticking device becomes garbage after being used up and cannot be reused. In order to meet the film sticking requirements of users and the high efficiency of automatic film sticking, the design of an automatic film sticking machine is a judicious choice. The automatic film sticking machine can not only stick films to mobile phones, but also can clean mobile phone screens. The mobile phone touch screen has good market prospect.
The invention with the publication number of CN204871727U discloses a mobile phone film sticking device, which comprises a bottom plate and a frame arranged on the peripheral edge of the front side of the bottom plate, wherein a positioning boss is arranged at the top of the front side of the bottom plate and matched with a receiver hole of a mobile phone film, two corners of the bottom of the front side of the bottom plate are respectively provided with a lower arc-shaped boss, and the inner edge surface of each lower arc-shaped boss is matched with two bottom corners of the mobile phone film. The mobile phone film is positioned by the positioning boss and the upper and lower arc-shaped bosses, so that the application range of the mobile phone film is enlarged, and the production cost and the use cost are reduced.
The invention with the publication number of CN202395823U discloses a mobile phone film positioning device, which comprises a shell, wherein a groove position for accommodating a mobile phone and a mobile phone film is arranged on the shell, the size and the shape of the groove position are matched with those of the mobile phone and the mobile phone film, positioning grooves are formed in two ends of the groove position, and salient points for positioning the mobile phone film are arranged at the bottoms of the positioning grooves; the invention also discloses a mobile phone film with a positioning structure matched with the positioning device, wherein a protective layer of the film is provided with a lug corresponding to the positioning groove, and the lug is provided with a positioning hole matched with the bump. The mobile phone film positioning device and the mobile phone film with the positioning structure matched with the mobile phone film positioning device simplify the positioning of the mobile phone film and a mobile phone screen, so that the operation of the whole mobile phone film is simple, a large amount of time is saved, and the mobile phone film positioning device can be easily completed by ordinary people.
The film sticking device disclosed in the technical scheme can not be positioned according to the sizes of different mobile phones, and has limitation. And most of the devices only disclose positioning devices, other programs in the film pasting process need manual operation, and the operation of pasting the film on the mobile phone cannot be completed conveniently and quickly.
Disclosure of Invention
The invention provides a mobile phone film pasting device for overcoming the defects of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: a mobile phone film pasting device comprises a fixing frame, wherein a mobile phone conveying mechanism, a film conveying mechanism and a film pressing mechanism are arranged on the fixing frame and are arranged on the upper portion of the mobile phone conveying mechanism.
The mobile phone conveying mechanism comprises a mobile phone fixing plate and a mobile phone positioning plate, wherein the mobile phone fixing plate and the mobile phone positioning plate are obliquely arranged on the lower portion of the fixing frame, the mobile phone fixing plate is connected with the mobile phone positioning plate through a ball screw, a first motor is arranged at the end portion of the ball screw, and the ball screw is controlled by the first motor to rotate so as to drive the mobile phone positioning plate to move in the left-right direction.
The right side of mount is located to membrane conveying mechanism, and membrane conveying mechanism is including the base that the slope set up, the incline direction of base is opposite with the incline direction of cell-phone fixed plate, is equipped with the dyestripping cylinder on the mount of the minimum department of base, the control that the dyestripping cylinder passes through the second motor takes place counter-clockwise turning, the start-up of second motor is through the position sensor control of locating the base bottom, the direction of arranging of dyestripping cylinder sets up with membrane direction of delivery is perpendicular, is equipped with the clamping structure who is used for cliping the cell-phone membrane label in the front end center department of dyestripping cylinder.
The left side of mount is located to film pressing mechanism, film pressing mechanism include two with mount fixed connection's gyro wheel splint, the inboard rotation of the free end of two gyro wheel splints is connected with the pad pasting gyro wheel.
Preferably, flanges are arranged on the periphery of the mobile phone positioning plate, a row of sliding holes are formed in any one of the front flange and the rear flange, an extrusion baffle is connected in the sliding holes in a sliding mode, a sliding column is arranged on the outer side of the extrusion baffle, the extrusion baffle slides in the sliding holes along the front-rear direction through the sliding column, a blocking piece is arranged at the other end of the sliding column, a pressure spring is sleeved on the sliding column, and the pressure spring is arranged between the flanges and the extrusion baffle.
Preferably, the clamping structure comprises a micro-electromagnet, an infrared sensing block is arranged on the film tearing roller, and the infrared sensing block is electrically connected with the micro-electromagnet and then controls the micro-electromagnet to open and close.
Preferably, the top of the front side and the top of the rear side of the base are provided with protruding edges towards the inner side.
Preferably, the upper surface of the base is provided with an anti-slip layer.
Preferably, the roller clamping plate is fixedly connected with the fixing frame through bolts.
Preferably, the pad pasting gyro wheel includes first pad pasting gyro wheel and second pad pasting gyro wheel, first pad pasting gyro wheel and second pad pasting gyro wheel all rotate to be connected between two gyro wheel splint, and the diameter of first pad pasting gyro wheel is greater than the diameter of second pad pasting gyro wheel.
Preferably, a cleaning block and a micro blower are arranged on a fixing frame at the lower part of the membrane conveying mechanism, the lower surfaces of the cleaning block and the micro blower are arranged in parallel with the mobile phone positioning plate, so that the lower surface of the cleaning block is in contact with the upper surface of the mobile phone and then is cleaned in a friction mode, and the micro blower is controlled to be opened and closed through a position sensor.
The invention has the beneficial effects that: the operation is simple and convenient, the working efficiency is high, the cleaning of the mobile phone and the removal of the protective film on the outer layer of the toughened film are simultaneously carried out during film pasting, and the time is saved; this device can be fixed the cell-phone and carry automatically, accomplishes cleanness and pad pasting in transportation process, has reduced the positional deviation who exists in the artifical pad pasting, and to the cell-phone of same specification and tempering membrane, once can adjust, and the operation is fit for in batches to the laminating many times, and convenient and fast guarantees the effect.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the cell phone transport mechanism of FIG. 1;
fig. 3 is a sectional view a-a of the base of fig. 1.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1 to 3, a mobile phone film pasting device includes a fixing frame 1, a mobile phone conveying mechanism and a film pressing mechanism are arranged on the fixing frame 1, the film conveying mechanism and the film pressing mechanism are arranged on the upper portion of the mobile phone conveying mechanism:
the mobile phone conveying mechanism comprises a mobile phone fixing plate 3, a ball screw 4 and a mobile phone positioning plate 7, wherein the left side of the mobile phone fixing plate 3 is arranged on the fixing frame 1 in an upward inclining mode, the mobile phone positioning plate 7 is detachably and fixedly connected with the mobile phone fixing plate 3 through the ball screw 4, the mobile phone positioning plate 7 can be replaced according to different mobile phone sizes, a first motor 5 is arranged at the end portion of the ball screw 4, and the ball screw 4 is controlled by the first motor 5 to rotate so as to drive the mobile phone positioning plate 7 to move in the left-.
The film conveying mechanism is arranged on the right side of the fixed frame 1 and comprises a base 12 with the left side inclined downwards, the front and back direction of the base 12 corresponds to the mobile phone positioning plate 7, a film tearing roller 13 is arranged at the left end of the base 12, the film tearing roller 13 rotates anticlockwise under the control of a second motor, the start of the second motor is controlled by a position sensor 11 arranged at the bottom of a base 12, the film tearing roller 13 is rotationally connected with the fixed frame 1, the arrangement direction of the film tearing roller 13 is vertical to the film conveying direction, a clamping structure for clamping the mobile phone film label is arranged at the center of the front end of the film tearing roller 13, the clamping structure comprises a micro-electromagnet 8, an infrared sensing block is arranged on the film tearing roller 13 and is electrically connected with the micro-electromagnet 8 to control the micro-electromagnet 8 to open and close.
Film pressing mechanism locates the left side of mount 1, film pressing mechanism includes two and 1 fixed connection's of mount gyro wheel splint 6, gyro wheel splint 6 one end is passed through fixing bolt and is connected with mount 1, gyro wheel splint 6's the other end inboard is rotated and is connected with the pad pasting gyro wheel.
Further, in order to ensure the stability of the structure and to make the device more stable, the fixing frame 1 comprises a plurality of vertical stands 2.
Further, as shown in fig. 2, in order to enable the mobile phone positioning plate 7 to better fix the mobile phone, the mobile phone positioning plate 7 is provided with flanges 15 around, a row of sliding holes are formed in the flanges 15 on the rear side, an extrusion baffle 25 is connected in the sliding holes in a sliding manner, a sliding column 19 is arranged on the outer side of the extrusion baffle 25, the extrusion baffle 25 slides in the sliding holes along the front-back direction through the sliding column 19, a blocking piece is arranged at the other end of the sliding column 19, a pressure spring 20 is sleeved on the sliding column 19, the pressure spring 20 is arranged between the flanges 15 and the extrusion baffle 25, the flanges 15 on the front side fix and position one side of the mobile phone, and the other side of the mobile phone is pressed and fixed through the extrusion baffle 25, so that the situation that the mobile phone is displaced in the film pasting process and.
Further, as shown in fig. 3, in order to prevent the right end of the mobile phone film from tilting during the film tearing process, the top portions of the front and rear sides of the base 12 are provided with inward protruding edges 26.
Further, as shown in fig. 3, the base 12 is disposed obliquely to prevent the mobile phone film from sliding off during transportation, and an anti-slip layer 27 is disposed on the upper surface of the base 12.
Further, the roller clamping plates 6 are fixedly connected with the vertical frame 2 through bolts 14, and the inclination angles of the roller clamping plates 6 can be adjusted according to requirements.
Further, in order to guarantee the film pressing effect, the bubble between tempering membrane and screen is discharged completely, the pad pasting gyro wheel includes first pad pasting gyro wheel 16 and second pad pasting gyro wheel 17, first pad pasting gyro wheel 16 and second pad pasting gyro wheel 17 all rotate to be connected between two gyro wheel splint 6, and first pad pasting gyro wheel 16's diameter is greater than the diameter of second pad pasting gyro wheel 17.
Furthermore, in order to ensure that bubbles between the mobile phone film and the mobile phone screen are completely discharged and prevent the mobile phone film from being crushed due to overlarge pressure of the film pasting roller, a rubber layer is arranged on the film pasting roller and can generate elastic deformation after being pressed, so that the mobile phone toughened film is protected and the screen is collected.
Further, a cleaning block 9 and a micro air blower 10 are arranged on the vertical frame 2 at the lower part of the membrane conveying mechanism, and the micro air blower 10 is used for drying liquid on the mobile phone and blowing off dust on a screen. The cleaning block 9 and the miniature blower 10 are sequentially and fixedly connected to the vertical frame 2, the cleaning block 9 and the miniature blower 10 are arranged in an inclined mode, the inclined angle and the height of the cleaning block 9 and the miniature blower 10 correspond to those of the mobile phone positioning plate 7, and the upper surface of the mobile phone is cleaned by friction after being contacted with the lower surface of the cleaning block 9. The micro blower 10 is controlled by a position sensor 11.
Further, in order to facilitate the timely replacement of the cleaning cloth when the cleaning cloth is dirty, a replaceable cleaning cloth is placed inside the cleaning block 9.
Furthermore, the mobile phone fixing plate 3, the ball screw 4 and the mobile phone positioning plate 7 are arranged in parallel, and the right sides of the mobile phone fixing plate and the ball screw are inclined downwards by 10 degrees to 15 degrees, so that the right side of the mobile phone is attached to the flange 15 under the action of self weight for positioning. The parallelism error among the mobile phone fixing plate 3, the ball screw 4 and the mobile phone positioning plate 7 is not more than 0.01mm in the full length range. The left side of the base 12 of the film conveying mechanism is inclined downwards by 15 degrees.
When the mobile phone film tearing device is used, an operator places a mobile phone into the mobile phone positioning plate 7, fixes the front and back directions of the mobile phone under the action of the extrusion baffle 25, places a mobile phone toughened film into the film conveying mechanism, places the front side of the mobile phone film close to the front side of the base, and after a label of the mobile phone toughened film enters the film tearing roller 13, the infrared induction block emits a signal to control the micro-electromagnet 8 to clamp the label on the mobile phone toughened film.
The first motor 5 is started, the ball screw 4 rotates to move the mobile phone positioning plate 7 leftwards slowly at a constant speed under the control of the first motor 5, when a mobile phone passes through the position sensor 11 of the miniature blower 10, the position sensor 11 sends a signal to the control system and simultaneously controls the starting of the miniature blower 10 and the second motor, the miniature blower 10 blows off dust on the surface of the mobile phone, then the surface of the mobile phone is cleaned by friction through the cleaning cloth on the lower surface of the cleaning block 9, meanwhile, after the second motor is started, the film tearing roller 13 rotates anticlockwise under the control of the second motor, so that a protective film on the lower surface of the mobile phone film is rolled up and torn down, and the mobile phone film can be rolled over from the upper part of the clamping structure and moves leftwards at the moment. Due to the arrangement of the protruding edge 26, the right end of the mobile phone film is prevented from tilting in the film tearing process, and the mobile phone film can be conveyed linearly.
The left end of the mobile phone is aligned and contacted with the left end of the mobile phone film by controlling the speed of the first motor 5 and the second motor, so that the alignment and the pasting are finished.
The left end of the mobile phone pasted with the film is conveyed leftwards continuously, then is contacted with the second film pasting roller 17 to pre-press and fix the toughened film, and then is contacted with the first film pasting roller 16 to press the toughened film again. The mobile phone positioning plate 7 moves to the top of the ball screw 4 and then returns along the ball screw 4, the mobile phone positioning plate 7 cannot be detected by the position sensor 11 at the moment, the micro blower 10 and the second motor are both closed, the mobile phone film is pressed secondarily when passing through the film pressing mechanism at the moment, bubbles below the mobile phone film are completely discharged, the mobile phone positioning plate 7 moves to the bottom of the ball screw 4, the mobile phone toughening film is attached, and the operation is simple and convenient.
The mobile phone film sticking device is simple and convenient to operate and high in working efficiency, and can be used for simultaneously cleaning a mobile phone and removing the protective film on the outer layer of the toughened film during film sticking, so that the time is saved; this device can be fixed the cell-phone and carry automatically, accomplishes cleanness and pad pasting in transportation process, has reduced the positional deviation who exists in the artifical pad pasting, and to the cell-phone of same specification and tempering membrane, once can adjust, and the operation is fit for in batches to the laminating many times, and convenient and fast guarantees the effect.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "center", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Where the words "first", "second", etc. are used in this patent to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning.

Claims (8)

1. A mobile phone film pasting device is characterized by comprising a fixing frame, wherein a mobile phone conveying mechanism, a film conveying mechanism and a film pressing mechanism are arranged on the fixing frame and are arranged on the upper portion of the mobile phone conveying mechanism; the film conveying mechanism is arranged on the right side of the fixing frame and comprises a base which is obliquely arranged, the oblique direction of the base is opposite to that of the mobile phone fixing plate, a film tearing roller is arranged on the fixing frame at the lowest end of the base and controlled to rotate anticlockwise by a second motor, the second motor is controlled to start by a position sensor arranged at the bottom of the base, the arrangement direction of the film tearing roller is perpendicular to the film conveying direction, and a clamping structure for clamping a mobile phone film label is arranged at the center of the front end of the film tearing roller; the left side of mount is located to film pressing mechanism, film pressing mechanism include two with mount fixed connection's gyro wheel splint, the inboard rotation of the free end of two gyro wheel splints is connected with the pad pasting gyro wheel.
2. The mobile phone film pasting device of claim 1, wherein a retaining edge is provided around the mobile phone positioning plate, a row of sliding holes are provided on any one of the front and rear retaining edges, an extrusion baffle is slidably connected in the sliding holes, a sliding post is provided outside the extrusion baffle, the extrusion baffle slides in the sliding holes along the front and rear direction through the sliding post, a blocking piece is provided at the other end of the sliding post, a compression spring is sleeved on the sliding post, and the compression spring is provided between the retaining edge and the extrusion baffle.
3. The mobile phone film pasting device of claim 1, wherein the clamping structure comprises a micro-electromagnet, an infrared sensing block is arranged on the film tearing roller, and the infrared sensing block is electrically connected with the micro-electromagnet and then controls the micro-electromagnet to open and close.
4. The mobile phone film pasting device as claimed in claim 1, wherein the top of the front and back sides of the base is provided with a protruding edge towards the inner side.
5. The mobile phone film pasting device of claim 1, wherein an anti-slip layer is arranged on the upper surface of the base.
6. The mobile phone film pasting device of claim 1, wherein the roller clamping plate is fixedly connected with the fixing frame through bolts.
7. The mobile phone film pasting device according to claim 1, wherein the film pasting roller comprises a first film pasting roller and a second film pasting roller, the first film pasting roller and the second film pasting roller are rotatably connected between the two roller clamping plates, and the diameter of the first film pasting roller is larger than that of the second film pasting roller.
8. The mobile phone film pasting device of claim 1, wherein a cleaning block and a micro-blower are arranged on a fixing frame at the lower part of the film conveying mechanism, the lower surfaces of the cleaning block and the micro-blower are arranged in parallel with a mobile phone positioning plate, so that the lower surface of the cleaning block is in contact with the upper surface of a mobile phone and then is cleaned by friction, and the micro-blower is controlled by a position sensor to be opened and closed.
CN202010253934.1A 2020-04-02 2020-04-02 Mobile phone film pasting device Pending CN111204040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010253934.1A CN111204040A (en) 2020-04-02 2020-04-02 Mobile phone film pasting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010253934.1A CN111204040A (en) 2020-04-02 2020-04-02 Mobile phone film pasting device

Publications (1)

Publication Number Publication Date
CN111204040A true CN111204040A (en) 2020-05-29

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CN202010253934.1A Pending CN111204040A (en) 2020-04-02 2020-04-02 Mobile phone film pasting device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6814342B1 (en) * 2020-07-07 2021-01-20 杭州木野机械科技有限公司 Automatic film sticking device for smartphones
CN112477100A (en) * 2020-11-23 2021-03-12 江西膜力胜光电科技有限公司 Supplementary pad pasting equipment of cell-phone tempering membrane
CN112959652A (en) * 2021-02-02 2021-06-15 徐小凡 Mobile phone film covering device capable of avoiding generation of bubbles
CN114212303A (en) * 2022-01-26 2022-03-22 成都理工大学 Design of self-service mobile phone film sticking machine
CN114479702A (en) * 2021-12-31 2022-05-13 盐城杉智光学材料有限公司 Mobile phone film for 3D curved surface display screen and preparation process thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6814342B1 (en) * 2020-07-07 2021-01-20 杭州木野机械科技有限公司 Automatic film sticking device for smartphones
JP2022014846A (en) * 2020-07-07 2022-01-20 杭州木野机械科技有限公司 Automatic sticking device of film of smartphone
CN112477100A (en) * 2020-11-23 2021-03-12 江西膜力胜光电科技有限公司 Supplementary pad pasting equipment of cell-phone tempering membrane
CN112477100B (en) * 2020-11-23 2022-08-02 江西膜力胜光电科技有限公司 Supplementary pad pasting equipment of cell-phone tempering membrane
CN112959652A (en) * 2021-02-02 2021-06-15 徐小凡 Mobile phone film covering device capable of avoiding generation of bubbles
CN114479702A (en) * 2021-12-31 2022-05-13 盐城杉智光学材料有限公司 Mobile phone film for 3D curved surface display screen and preparation process thereof
CN114212303A (en) * 2022-01-26 2022-03-22 成都理工大学 Design of self-service mobile phone film sticking machine

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