CN112468618A - Device for replacing outer screen cover plate of mobile phone display module and using method thereof - Google Patents
Device for replacing outer screen cover plate of mobile phone display module and using method thereof Download PDFInfo
- Publication number
- CN112468618A CN112468618A CN202011289704.7A CN202011289704A CN112468618A CN 112468618 A CN112468618 A CN 112468618A CN 202011289704 A CN202011289704 A CN 202011289704A CN 112468618 A CN112468618 A CN 112468618A
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- CN
- China
- Prior art keywords
- display module
- mobile phone
- phone display
- outer screen
- cover plate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Abstract
The invention discloses a device for replacing an outer screen cover plate of a mobile phone display module and a using method thereof, relating to the technical field of mobile phone display modules, comprising a device body, wherein a heating plate is fixedly arranged on the upper surface of the device body, a cavity is arranged in the device body, a first bearing is fixedly welded on the inner wall on the right side of the cavity, the inner wall of the first bearing is fixedly welded with the right end of a first threaded rod, the device for replacing the outer screen cover plate of the mobile phone display module can be driven by a handle and a driving rod, so that the position of a supporting rod can be adjusted while the mobile phone display module is fixed, the device for replacing the outer screen cover plate of the mobile phone display module is convenient for a worker to separate the outer screen cover plate of the mobile phone display module, and the using method thereof can heat and separate the mobile phone display module on the same device through an integrated, time is saved more, can effectual promotion staff's availability factor.
Description
Technical Field
The invention relates to the technical field of mobile phone display modules, in particular to a device for replacing an outer screen cover plate of a mobile phone display module and a using method thereof.
Background
In recent years, along with the rapid popularization of smart phones, the market growth and technical innovation of global mobile phones are accelerated, and the industrial scale is continuously promoted. From the product composition, the current mobile phone screen mainly uses a touch screen, and mainly comprises parts such as cover plate glass, a touch module, a display module and the like, but with the increasing requirements of the whole mobile phone, such as lightness and thinness, high-definition display and the like, and the increasing maturity of the embedded touch technology, the mobile phone screen industry is gradually developing from the traditional single-component supply to the production direction of the integrated module, and the longitudinal integration trend of the industry chain is obvious.
The popularization of a large amount of smart mobile phones makes the unusual fire of cell-phone maintenance trade, wherein the outer screen cover board change among the cell-phone display module assembly is often taken place in the cell-phone maintenance, current cell-phone display module assembly outer screen cover board change device can not heat cell-phone display module assembly when using, and when changing cell-phone display module assembly outer screen cover board, the cell-phone display module assembly is whole can not obtain fine fixed, wherein cell-phone display module assembly outer screen cover board is changed and need to divide the screen operation with the help of diamond wire, and the phenomenon that the staff that experience is not enough often takes place the shake of handheld diamond wire takes place, lead to outer screen cover board to change the failure, can lead to the screen breakage when serious, make the efficiency of cell-phone display module assembly outer screen cover board change lower, staff's work efficiency has been reduced on.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a device for replacing an outer screen cover plate of a mobile phone display module and a using method thereof, and solves the problems in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a device for replacing an outer screen cover plate of a mobile phone display module comprises a device body, wherein a heating plate is fixedly mounted on the upper surface of the device body, a cavity is formed in the device body, a first bearing is fixedly welded on the inner wall on the right side of the cavity, the inner wall of the first bearing is fixedly welded with the right end of a first threaded rod, the inner part of the first threaded rod is arranged in a hollow mode, a sliding groove is formed in the inner wall of the first threaded rod, the sliding groove is in sliding connection with a flange arranged on a transmission rod, a stirring rod is fixedly welded at the left end of the transmission rod, and a rotating shaft is arranged at the left side of the stirring rod;
the left end of the rotating shaft is fixedly welded with the inner wall of the third bearing, the left side of the outer wall of the third bearing is welded with the inner wall of the left side of the cavity into a whole, a first conical gear is welded at the middle part of the rotating shaft and is meshed with a second conical gear arranged above the first conical gear, the center of the second bevel gear is fixedly welded with the bottom of the second threaded rod, a square groove is arranged on the device body above the cavity, a group of fixed baffles are respectively arranged on the inner walls of the left side and the right side of the square groove, a T-shaped sliding groove is arranged on each fixed baffle, the T-shaped sliding chute is connected with the T-shaped sliding plate in a sliding way, the T-shaped sliding plate is welded and formed with the movable nut, the movable nut is in threaded connection with the second threaded rod, the upper surface of the movable nut is fixedly welded with the bottom of the transmission support, and the transmission support penetrates through the device body and is fixedly welded with the bottom of the supporting rod.
Preferably, the number of the T-shaped sliding plates is two, and the two T-shaped sliding plates are symmetrically arranged on two sides of the movable nut by taking a central line in the vertical direction of the movable nut as a symmetry axis.
Preferably, the rotating shaft is a hollow cylinder, an upright post is fixedly welded on the inner wall of the hollow part at the right end of the rotating shaft, and the upright post is movably connected with the stirring rod.
Preferably, the bracing piece is provided with two sets ofly, and two sets of bracing pieces use the device body to look down horizontal central line in the direction and set up as symmetry axis symmetry, the through-hole has been seted up at the top of bracing piece, it has the buddha's warrior attendant silk to run through on the through-hole, and the fixed welding in both ends of buddha's warrior attendant silk has the pull ring.
Preferably, a fixed baffle is fixedly mounted at the top of the right side of the device body.
Preferably, a nut is connected to the first threaded rod in a threaded manner, the top of the nut is fixedly welded to the bottom of the movable support, and the top of the movable support is fixedly welded to the bottom of the movable baffle.
Preferably, the device body and the heating plate are provided with movable grooves, and the movable support is connected with the movable grooves in a sliding manner.
Preferably, the right side of the fixed baffle and the left side of the movable baffle are both covered with rubber layers.
A use method of a device for replacing an outer screen cover plate of a mobile phone display module comprises the following use steps:
s1, placing the side, with the outer screen cover plate, of the mobile phone display module on a heating plate, and heating the mobile phone display module at 60 ℃ for 5 min;
s2, stopping heating the heating plate, turning over the heated mobile phone display module to find out a gap between the outer screen cover plate and the outer screen of the mobile phone display module, adding a proper amount of adhesive removing agent into the gap between the outer screen cover plate and the outer screen of the mobile phone display module, standing for 15-25S, and placing diamond wires in the gap between the outer screen cover plate and the outer screen of the mobile phone display module;
s3, placing one end, in contact with the mobile phone display module, of the diamond wire at the position of the movable baffle, and then rotating the handle clockwise from left to right, wherein the transmission rod drives the first threaded rod to rotate clockwise, so that the movable baffle moves leftwards;
s4, adjusting the position of the supporting rod to enable the diamond wire to be in a parallel state with the mobile phone display module, and at the moment, the outer screen cover plate and the outer screen of the mobile phone display module are conveniently separated through the pull ring and the diamond wire.
(III) advantageous effects
The invention provides a device for replacing an outer screen cover plate of a mobile phone display module and a using method thereof. The method has the following beneficial effects:
(1) this device is changed to outer screen apron of cell-phone display module is provided with a threaded rod and No. two threaded rods, can carry out the transmission through handle and transfer line for when can be fixed to the cell-phone display module, adjust the position of bracing piece, make things convenient for the horizontal position of operating personnel control buddha's warrior attendant line, make things convenient for the staff to carry out the separation operation to the outer screen apron of cell-phone display module.
(2) The mobile phone display module outer screen cover plate replacing device and the using method thereof are arranged in an integrated mode, heating and screen splitting operations of the mobile phone display module are carried out on the same device, time is saved, and the using efficiency of workers can be effectively improved.
Drawings
FIG. 1 is a schematic side view of an integrated device according to the present invention;
FIG. 2 is a side cross-sectional view of an overall device of the present invention;
FIG. 3 is a schematic diagram of an overall apparatus of the present invention in a top view cross section;
FIG. 4 is a schematic top view of an integrated apparatus according to the present invention;
FIG. 5 is an enlarged view of part A of the present invention;
FIG. 6 is a schematic view of a square groove bottom of the present invention;
FIG. 7 is a schematic view of a support rod according to the present invention;
FIG. 8 is a schematic view of a removable nut of the present invention;
FIG. 9 is a schematic view of a structure of a rotating shaft according to the present invention;
FIG. 10 is a schematic view of a first threaded rod and chute of the present invention;
fig. 11 is a schematic view of a structure of the transmission rod of the present invention.
In the figure: the device comprises a device body 1, a heating plate 2, a handle 3, a transmission rod 4, a flange 41, a cavity 5, a bearing 6I, a movable groove 7, a threaded rod 8I, a sliding groove 81, a nut 9, a movable support 10, a movable baffle 11, a fixed baffle 12, a stirring rod 13, a rotating shaft 14, a column 141, a square groove 15, a bevel gear 16I, a bevel gear 17 II, a threaded rod 18 II, a transmission support 19, a movable nut 20, a sliding plate 201T-shaped, a fixed baffle 21, a sliding groove 211T-shaped, a supporting rod 22, a diamond wire 23, a shaft 24 III, a pull ring 25 and a bearing 26 II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution: a mobile phone display module outer screen cover plate replacing device comprises a device body 1, wherein a heating plate 2 is fixedly installed on the upper surface of the device body 1, a cavity 5 is formed in the device body 1, a first bearing 6 is fixedly welded on the inner wall on the right side of the cavity 5, the inner wall of the first bearing 6 is fixedly welded with the right end of a first threaded rod 8, the inner position of the first threaded rod 8 is arranged in a hollow mode, a sliding groove 81 is formed in the inner wall of the first threaded rod 8, the sliding groove 81 is in sliding connection with a flange 41 arranged on a transmission rod 4, a stirring rod 13 is fixedly welded at the left end of the transmission rod 4, and a rotating shaft 14 is arranged at the left side of;
the left end of a rotating shaft 14 is fixedly welded with the inner wall of a third bearing 24, the left side of the outer wall of the third bearing 24 is welded with the inner wall of the left side of a cavity 5 into a whole, a first conical gear 16 is welded at the middle position of the rotating shaft 14, the first conical gear 16 is meshed with a second conical gear 17 arranged above the first conical gear, the central position of the second conical gear 17 is fixedly welded with the bottom of a second threaded rod 18, a square groove 15 is formed in a device body 1 above the cavity 5, a group of fixed baffle plates 21 are respectively arranged on the inner walls of the left side and the right side of the square groove 15, a T-shaped sliding groove 211 is formed in the fixed baffle plates 21, the T-shaped sliding groove 211 is slidably connected with a T-shaped sliding plate 201, the T-shaped sliding plate 201 is welded with a movable nut 20, the movable nut 20 is in threaded connection with the second threaded rod 18, the upper surface of the movable nut 20 is fixedly welded with.
The number of the T-shaped sliding plates 201 is two, and the two T-shaped sliding plates 201 are symmetrically arranged at two sides of the movable nut 20 by taking a central line in the vertical direction of the movable nut 20 as a symmetry axis.
The rotating shaft 14 is a hollow cylinder, and an upright post 141 is fixedly welded on the inner wall of the hollow part at the right end of the rotating shaft 14, and the upright post 141 is movably connected with the stirring rod 13.
The support rods 22 are provided with two sets, the two sets of support rods 22 are symmetrically arranged by taking the horizontal center line in the overlooking direction of the device body 1 as a symmetry axis, the top of each support rod 22 is provided with a through hole 221, the diamond wire 23 penetrates through the through holes 221, and pull rings 25 are fixedly welded at two ends of the diamond wire 23. 5. The device for replacing the outer screen cover plate of the mobile phone display module according to claim 1, characterized in that: the top of the right side of the device body 1 is fixedly provided with a fixed baffle 12.
The first threaded rod 8 is connected with a nut 9 through threads, the top of the nut 9 is fixedly welded with the bottom of the movable support 10, and the top of the movable support 10 is fixedly welded with the bottom of the movable baffle 11.
The device body 1 and the heating plate 2 are provided with a movable groove 7, the movable support 10 is connected with the movable groove 7 in a sliding mode, and the right side of the fixed baffle plate 12 and the left side of the movable baffle plate 11 are both covered with a rubber layer.
A use method of a device for replacing an outer screen cover plate of a mobile phone display module comprises the following use steps:
s1, placing the side, with the outer screen cover plate, of the mobile phone display module on the heating plate 2, and heating the mobile phone display module at the temperature of 60 ℃ for 5 min;
s2, stopping heating the heating plate 2, turning over the heated mobile phone display module, finding out a gap between the outer screen cover plate and the outer screen of the mobile phone display module, adding a proper amount of adhesive removing agent into the gap between the outer screen cover plate and the outer screen of the mobile phone display module, standing for 15-25S, and placing the diamond wire 23 in the gap between the outer screen cover plate and the outer screen of the mobile phone display module;
s3, placing one end, in contact with the mobile phone display module, of the diamond wire 23 at the movable baffle 11, and then rotating the handle 3 clockwise from left to right, wherein the transmission rod 4 drives the first threaded rod 8 to rotate clockwise, so that the movable baffle 11 moves leftwards;
s4, adjusting the position of the support rod 22 to enable the diamond wire 23 to be in a parallel state with the mobile phone display module, and at the moment, the outer screen cover plate and the outer screen of the mobile phone display module are conveniently separated through the pull ring 25 and the diamond wire 23.
The first threaded rod 8 and the second threaded rod 18 are arranged in the mobile phone display module, and can be driven through the handle 3 and the transmission rod 4, so that the position of the support rod 22 can be adjusted while the mobile phone display module is fixed, an operator can conveniently control the horizontal position of the diamond wire 23, and the worker can conveniently separate the outer screen cover plate of the mobile phone display module.
The mobile phone display module outer screen cover plate replacing device and the using method thereof are integrally arranged, so that the mobile phone display module is heated and split screen operation is carried out on the same device, time is saved, and the using efficiency of workers can be effectively improved.
When the device is used, one side of the mobile phone display module to be processed, which is provided with the outer screen cover plate, is placed on the heating plate 2, the mobile phone display module is heated, the heated mobile phone display module is turned over to find out a gap between the outer screen cover plate and the outer screen of the mobile phone display module, then a proper amount of glue removing agent is added into the gap between the outer screen cover plate and the outer screen of the mobile phone display module, the diamond wire 23 is placed in the gap between the outer screen cover plate and the outer screen of the mobile phone display module, one end of the diamond wire 23, which is in contact with the mobile phone display module, is placed at the movable baffle plate 11, the handle 3 is rotated clockwise from left to right, the transmission rod 4 can drive the threaded rod 8 to rotate clockwise, so that the movable baffle plate 11 moves leftwards, the movable baffle plate 11 continuously moves towards the fixed baffle plate 12, and the movable baffle plate 11 and the fixed baffle plate 12 tightly fix the mobile phone display module, then the handle 3 is pushed leftwards, so that the transmission rod 4 moves leftwards, the flange 41 is separated from the chute 81 in the first threaded rod 8, the stirring rod 13 at the left end of the transmission rod 4 extends into the cavity of the rotating shaft 14, and the stirring rod 13 is attached to the upright post 141 in the cavity of the rotating shaft 14, at this time, the handle 3 is rotated clockwise from left to right, the rotating shaft 14 is driven to rotate clockwise, the first conical gear 16 on the rotating shaft 14 rotates clockwise, the second conical gear 17 rotates clockwise from top to bottom, the second threaded rod 18 is driven to rotate clockwise, the movable nut 20 moves upwards at this time, the position of the supporting rod 22 can be adjusted by controlling the direction of rotating the handle 3 through the relative displacement of the movable nut 20 and the second threaded rod 18, the position of the diamond wire 23 can be adjusted by a worker, and the worker can perform related maintenance work conveniently, the working efficiency of staff has effectually been promoted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a device is changed to cell-phone display module assembly outer screen apron, includes device body (1), its characterized in that: the heating plate (2) is fixedly installed on the upper surface of the device body (1), a cavity (5) is formed in the device body (1), a first bearing (6) is fixedly welded on the inner wall of the right side of the cavity (5), the inner wall of the first bearing (6) is fixedly welded with the right end of a first threaded rod (8), the inner part of the first threaded rod (8) is arranged in a hollow mode, a sliding groove (81) is formed in the inner wall of the first threaded rod (8), the sliding groove (81) is in sliding connection with a flange (41) arranged on the transmission rod (4), a stirring rod (13) is fixedly welded at the left end of the transmission rod (4), and a rotating shaft (14) is arranged on the left side of the stirring rod (13);
the left end of the rotating shaft (14) is fixedly welded with the inner wall of a third bearing (24), the left side of the outer wall of the third bearing (24) is welded with the inner wall of the left side of the cavity (5) into a whole, a conical gear (16) is welded at the middle position of the rotating shaft (14), the conical gear (16) is meshed with a second conical gear (17) arranged above, the central position of the second conical gear (17) is fixedly welded with the bottom of a second threaded rod (18), a square groove (15) is formed in the upper device body (1) of the cavity (5), a group of fixed baffles (21) are respectively arranged on the inner walls of the left side and the right side of the square groove (15), a T-shaped sliding groove (211) is formed in the fixed baffles (21), the T-shaped sliding groove (211) is slidably connected with a T-shaped sliding plate (201), and the T-shaped sliding plate (201) is welded with a movable nut (20), the movable nut (20) is in threaded connection with the second threaded rod (18), the upper surface of the movable nut (20) is fixedly welded to the bottom of the transmission support (19), and the transmission support (19) penetrates through the bottom of the device body (1) and is fixedly welded to the bottom of the supporting rod (22).
2. The device of claim 1, wherein the outer screen cover plate of the mobile phone display module comprises: the T-shaped sliding plates (201) are arranged in two numbers, and the two T-shaped sliding plates (201) are symmetrically arranged on two sides of the movable nut (20) by taking a central line in the vertical direction of the movable nut (20) as a symmetry axis.
3. The device of claim 1, wherein the outer screen cover plate of the mobile phone display module comprises: the rotating shaft (14) is a hollow cylinder, an upright post (141) is fixedly welded on the inner wall of the hollow part at the right end of the rotating shaft (14), and the upright post (141) is movably connected with the stirring rod (13).
4. The device of claim 1, wherein the outer screen cover plate of the mobile phone display module comprises: the bracing piece (22) are provided with two sets ofly, and two sets of bracing pieces (22) use device body (1) to look down the direction and go up horizontal center line and set up for symmetry axis symmetry, through-hole (221) have been seted up at the top of bracing piece (22), it has buddha's warrior attendant silk (23) to run through on through-hole (221), and the fixed welding in both ends of buddha's warrior attendant silk (23) has pull ring (25).
5. The device of claim 1, wherein the outer screen cover plate of the mobile phone display module comprises: the top on the right side of the device body (1) is fixedly provided with a fixed baffle (12).
6. The device of claim 1, wherein the outer screen cover plate of the mobile phone display module comprises: threaded connection has nut (9) on threaded rod (8), the top of nut (9) and the fixed welding in bottom of movable support (10), the fixed welding in bottom of the top of movable support (10) and adjustable fender (11).
7. The device of claim 1, wherein the outer screen cover plate of the mobile phone display module comprises: the device is characterized in that the device body (1) and the heating plate (2) are provided with movable grooves (7), and the movable support (10) is connected with the movable grooves (7) in a sliding manner.
8. The device of claim 5 or 6 for replacing the outer screen cover plate of the mobile phone display module, which is characterized in that: the right side of the fixed baffle (12) and the left side of the movable baffle (11) are both covered with rubber layers.
9. The utility model provides a cell-phone display module assembly outer screen apron change device's application method which characterized in that: the use steps are as follows:
s1, placing the side, with the outer screen cover plate, of the mobile phone display module on the heating plate (2), and heating the mobile phone display module at the temperature of 60 ℃ for 5 min;
s2, stopping heating the heating plate (2), turning over the heated mobile phone display module, finding out a gap between the outer screen cover plate and the outer screen of the mobile phone display module, adding a proper amount of adhesive removing agent into the gap between the outer screen cover plate and the outer screen of the mobile phone display module, standing for 15-25S, and placing the diamond wire (23) in the gap between the outer screen cover plate and the outer screen of the mobile phone display module;
s3, placing one end, in contact with the mobile phone display module, of the diamond wire (23) at the position of the movable baffle (11), and then rotating the handle (3) clockwise from left to right, wherein the transmission rod (4) can drive the first threaded rod (8) to rotate clockwise, so that the movable baffle (11) moves leftwards;
s4, adjusting the position of the support rod (22) to enable the diamond wire (23) and the mobile phone display module to be in a parallel state, and at the moment, the outer screen cover plate and the outer screen of the mobile phone display module are conveniently separated through the pull ring (25) and the diamond wire (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011289704.7A CN112468618B (en) | 2020-11-17 | 2020-11-17 | Device for replacing outer screen cover plate of mobile phone display module and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011289704.7A CN112468618B (en) | 2020-11-17 | 2020-11-17 | Device for replacing outer screen cover plate of mobile phone display module and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112468618A true CN112468618A (en) | 2021-03-09 |
| CN112468618B CN112468618B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011289704.7A Active CN112468618B (en) | 2020-11-17 | 2020-11-17 | Device for replacing outer screen cover plate of mobile phone display module and using method thereof |
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| Country | Link |
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| CN (1) | CN112468618B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801333A (en) * | 2018-03-30 | 2018-11-13 | 江苏迪佳电子有限公司 | A kind of production detection device for handset touch panel |
| CN110328637A (en) * | 2019-07-04 | 2019-10-15 | 淮北摩兰科技有限公司 | A kind of disassembling method and fixture of flexible screen and TP |
| CN209615363U (en) * | 2019-03-27 | 2019-11-12 | 浙江大信科技股份有限公司 | A kind of maintenance of equipment for outer mobile phone screen replacement |
-
2020
- 2020-11-17 CN CN202011289704.7A patent/CN112468618B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801333A (en) * | 2018-03-30 | 2018-11-13 | 江苏迪佳电子有限公司 | A kind of production detection device for handset touch panel |
| CN209615363U (en) * | 2019-03-27 | 2019-11-12 | 浙江大信科技股份有限公司 | A kind of maintenance of equipment for outer mobile phone screen replacement |
| CN110328637A (en) * | 2019-07-04 | 2019-10-15 | 淮北摩兰科技有限公司 | A kind of disassembling method and fixture of flexible screen and TP |
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| Publication number | Publication date |
|---|---|
| CN112468618B (en) | 2023-01-03 |
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