CN113714253B - Screen disassembling jig and disassembling method - Google Patents
Screen disassembling jig and disassembling method Download PDFInfo
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- CN113714253B CN113714253B CN202110979861.9A CN202110979861A CN113714253B CN 113714253 B CN113714253 B CN 113714253B CN 202110979861 A CN202110979861 A CN 202110979861A CN 113714253 B CN113714253 B CN 113714253B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a screen disassembling jig and a disassembling method, and relates to the field of electronic product production and manufacturing. The invention solves the problem of overhigh screen breaking rate of the display screen caused by uneven stress during the disassembly process of the display screen and the shell after being bonded in the prior art, so that the stress of the display screen is uniform during the disassembly process, and the breakage rate is reduced.
Description
Technical Field
The invention relates to the field of electronic product production and manufacturing, in particular to a screen disassembling jig and a disassembling method.
Background
The disassembling jig is a tool platform for repeatedly performing disassembling operation.
In electronic products such as notebooks or mobile phones, a display screen and a housing are generally bonded and pressed together by hot melt adhesive, and due to poor appearance or poor pressing, the display screen and the housing need to be disassembled to recycle the display screen and the housing, so that scrap rate is reduced and cost is reduced.
The existing disassembling steps comprise that a fixed heating platform is firstly used for heating a display screen and a shell to a certain temperature, then the display screen and the shell are taken down, then the display screen and the shell are manually and respectively sucked by double suction discs, and the double suction discs are pulled towards the opposite direction so as to complete the disassembly of the display screen and the shell.
However, in the actual operation process, due to uneven force control of the manual sucker, the stress of the display screen is uneven, and the screen breaking rate is high.
Therefore, a screen disassembling jig is needed to solve the problem of uneven stress of the display screen in the disassembling process and reduce the screen breaking rate.
Disclosure of Invention
The invention mainly solves the technical problem that the screen breaking rate of a display screen is higher due to uneven stress in the process of disassembling the bonded display screen and the shell in the prior art, and provides a screen disassembling jig and a disassembling method.
In order to solve the technical problems and achieve the purpose, the invention provides, on one hand, a screen disassembling jig for separating a display screen and a shell which are bonded and pressed together through hot melt adhesive, which comprises a tool platform, wherein the tool platform comprises a first disassembling part, a second disassembling part and a heating mechanism, the first disassembling part comprises an upper cover plate and a plurality of first suckers arranged on the upper cover plate, the sucker surfaces of the first suckers are used for adsorbing and pulling the display screen towards the direction far away from the shell, the second disassembling part is used for fixing the shell, and the heating mechanism is used for heating and softening the hot melt adhesive.
In an implementation manner, the tail end of the first suction cup is connected to the first plate surface of the upper cover plate through a connecting pipe, the first suction cup is internally hollow and is provided with an air exhaust cavity, a hollow connecting cavity is arranged in the connecting pipe along a connecting path, the air exhaust cavity is communicated with the connecting cavity, one end of the connecting pipe is connected to the first suction cup, and the other end of the connecting pipe is connected to an air exhaust mechanism which is used for sucking air in the air exhaust cavity.
In one embodiment, the suction mechanism is configured as a vacuum proportional valve.
In one embodiment, the heating mechanism includes a first heating portion provided on the upper cover plate and a second heating portion provided on the second dismantling portion.
In an implementation mode, the first heating part comprises a first heating plate, a first supporting plate and a first electric cylinder, the first electric cylinder is arranged on the second plate surface of the upper cover plate, an output shaft of the first electric cylinder penetrates through the second plate surface of the upper cover plate and penetrates out of the first plate surface of the upper cover plate, the first heating plate is attached to one surface of the first supporting plate, and the other surface of the first supporting plate is connected with the output shaft of the first electric cylinder.
In an embodiment, the first heating plate is attached to the first support plate to form a plate, and the plate is provided with first suction cup holes for allowing the first suction cups to pass through.
In one possible embodiment, the first and second sensors are,
the second dismantling part comprises a second support plate and a plurality of second suction cups,
the tail end of the second sucker is connected to the tool platform, the sucker surface of the second sucker is used for tightly abutting and sucking the shell,
the second support plate is connected to the tooling platform through a support column,
the second heating part comprises a heating pipe which is arranged in the second supporting plate in a penetrating way, the heating pipe heats the second supporting plate to heat the shell,
and the second supporting plate is provided with a plurality of second sucker holes through which the second suckers can penetrate.
In an embodiment, the edge of the second support plate is further provided with a plurality of limiting protrusions for limiting the lateral movement of the housing relative to the support surface.
In an implementation mode, the upper cover plate is rotatably connected to the tooling platform through a turnover shaft.
In an implementation mode, still including being used for locking when the heating the locking mechanical system of the portion is disassembled with the second to first portion of disassembling, locking mechanical system is including setting up locking support on the upper cover plate, and set up second electric jar and lockplate on the frock platform, be provided with first lockhole on the locking support, be provided with the second lockhole on the lockplate the upper cover plate passes through the trip shaft upset is to making during the position of first sucking disc absorption display screen, first lockhole is corresponding with the second lockhole, just the output shaft of second electric jar stretches out the back, can penetrate in the lockhole on first lockhole and the second lockhole.
In an implementation manner, after the output shaft of the second electric cylinder penetrates into the first lock hole and the second lock hole, the output shaft is tightly matched with the inner walls of the first lock hole and the second lock hole.
On the other hand, the screen disassembling method for separating the display screen from the shell by using the screen disassembling jig comprises the following steps:
opening the disassembling jig to separate the first disassembling part from the second disassembling part;
fixing the housing through the second disassembled part;
closing and disassembling the jig;
heating and softening the hot melt adhesive through the heating mechanism;
after the heating is carried out to the set temperature, the display screen is adsorbed by the first sucking discs, and the display screen is pulled according to the set sequence, so that the display screen is separated from the shell.
In one embodiment, the step of closing and disassembling the jig further comprises: and locking the first disassembling part and the second disassembling part through a locking mechanism.
In one embodiment, the heat softening hot melt adhesive step comprises: heating the second support plate through the heating pipe and then heating the shell; and the display screen is heated through the first heating plate.
In one embodiment, after heating to the set temperature, the step of sucking the display screen by a plurality of first sucking discs and pulling the display screen according to the set sequence so that the display screen is separated from the casing comprises: after the heating is carried out to the set temperature, the first heating plate is driven to be far away from the display screen through the contraction of the output shaft of the first electric cylinder; and controlling a plurality of first suction cups through a vacuum proportional valve, so that the first suction cups pull the display screen according to a set sequence to gradually separate the display screen from the shell.
In an implementation mode, in the process of gradually separating the display screen from the shell, a separation point glue agent is dripped to the edge where the display screen is separated from the shell, so as to assist in disassembling the screen.
The screen disassembling jig and the disassembling method provided by the invention have the following beneficial effects:
1. on the tooling platform, the display screen and the shell are heated simultaneously, so that the heating is more uniform, and the subsequent disassembly operation of the display screen and the shell is facilitated;
2. the second disassembling part has a good fixing effect on the shell, and on the basis, the display screen is pulled by the first disassembling parts through the plurality of first sucking discs to be separated from the shell, so that the stress of the display screen in the pulling process is more uniform, and the screen breaking rate is reduced;
3. at the in-process of disassembling the display screen, the shell does not leave the second and disassembles the portion, and the second heating portion in the second disassembles portion continues to be the shell heating, can play the heat preservation effect to avoid leading to once more solidifying by the soft hot melt adhesive of heating because of the reduction of temperature.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
in the drawings, like or corresponding reference characters designate like or corresponding parts.
Fig. 1 is a schematic diagram illustrating an adhesion trace of a hot melt adhesive when a display and a housing disassembled in an embodiment of the present invention are adhered by using the hot melt adhesive;
FIG. 2 is a schematic diagram of an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of a plurality of first suction cups on the first disassembled part according to the embodiment of the present invention;
FIG. 5 is a schematic structural view of a second disassembled part with a hidden part of the structure in the embodiment of the invention;
fig. 6 is a schematic structural diagram of another perspective of an embodiment of the present invention.
The reference numbers in the figures illustrate: 1. a tooling platform; 2. a first disassembly part; 21. an upper cover plate; 22. a first suction cup; 221. a first sucker; 222. a second sucker; 223. a third sucker; 224. a fourth suction cup; 225. an air exhaust cavity; 23. a connecting pipe; 231. a connecting cavity; 3. a second disassembly section; 31. a second support plate; 32. a second suction cup; 33. a support pillar; 34. a second chuck aperture; 35. a limiting bulge; 41. a first heating section; 411. a first heating plate; 412. a first support plate; 413. a first electric cylinder; 414. a first chuck orifice; 42. a second heating section; 421. heating a tube; 5. a turning shaft; 61. a locking bracket; 611. a first lock hole; 62. a locking plate; 621. a second lock hole; 63. a second electric cylinder; 7. and (5) hot melt adhesive.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent 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.
Fig. 1 to 6 illustrate an embodiment of a screen disassembling jig and a disassembling method according to the present invention.
Example (b):
fig. 1 shows the adhesive traces of the hot melt adhesive when the display is adhered to the housing using the hot melt adhesive 7.
Referring to fig. 2, the invention provides a screen disassembling jig, which is used for separating a display screen and a shell which are bonded and pressed together through hot melt adhesive 7, and comprises a tool platform 1, wherein the tool platform 1 comprises a first disassembling part 2, a second disassembling part 3 and a heating mechanism, the first disassembling part 2 comprises an upper cover plate 21 and a plurality of first suction cups 22 arranged on the upper cover plate 21, the suction cup surfaces of the first suction cups 22 are used for adsorbing and pulling the display screen towards the direction far away from the shell, the second disassembling part 3 is used for fixing the shell, and the heating mechanism is used for heating and softening the hot melt adhesive 7.
When the screen is disassembled by using the disassembling jig, the shell needs to be positioned and fixed through the second disassembling part 3. The shell can be heated by the heating mechanism after being fixed; after the first disassembling part 2 is closed, the display screen can be heated by the heating mechanism when the first suction disc 22 is abutted to the display screen; or, after the first disassembling part 2 is closed, the shell and the display screen are heated simultaneously by the heating mechanism. The purpose of heating by using the heating mechanism is to accelerate softening of the hot melt adhesive 7 for bonding the display screen and the housing, and after the hot melt adhesive 7 is heated and softened, the suction cup surfaces of the first suction cups 22 adsorb the display screen and pull the display screen in the direction away from the housing, so that the display screen is gradually separated from the housing, and the display screen and the housing are recycled. On the one hand, the shell obtains good fixed, and on the other hand adopts a plurality of first sucking discs 22 to adsorb the display screen for the display screen atress is more even, can reduce the garrulous screen rate of disassembling the in-process.
The upper cover plate 21 is rotatably connected to the tooling platform 1 through the turning shaft 5, and the first disassembling part 2 and the second disassembling part 3 are separated and covered by utilizing the rotation of the turning shaft 5.
Specifically, referring to fig. 2 and 3, the tail end of the first suction cup 22 is connected to the first plate surface of the upper cover plate 21 through a connection pipe 23, the first suction cup 22 is hollow and is provided with an air exhaust cavity 225, the connection pipe 23 is internally provided with a hollow connection cavity 231 along a connection path, the air exhaust cavity 225 is communicated with the connection cavity 231, one end of the connection pipe 23 is connected to the first suction cup 22, the other end of the connection pipe 23 is connected to an air exhaust mechanism, the air exhaust mechanism is provided with a vacuum proportional valve, and the vacuum proportional valve is used for sucking air in the air exhaust cavity 225 according to a set sequence.
Referring to fig. 1 and 4, taking a notebook computer as an example, in the manufacturing process, when the display screen and the housing are bonded and pressed together by using the hot melt adhesive 7, the hot melt adhesive 7 is bonded at the edge positions of the display screen and the housing, and the hot melt adhesives 7 located at the left and right edges of the display screen and the housing are continuous, however, in order to avoid the positions of the camera, the buckle, the rotating shaft, and the like, the hot melt adhesives 7 located at the upper and lower edges of the display screen and the housing are not continuous, and since the length of the display screen and the housing which are not bonded by the hot melt adhesive 7 at the camera is longer than that of other edge regions, it is easier to pull the display screen at both sides of the camera, two first suction cups 22 are arranged on the upper cover plate 21 at positions opposite to both sides of the camera, and the first suction cup 22 arranged here is referred to as a suction cup 221; firstly, after a gap is pulled open between the display screen and the shell through the first sucking disc 221, the gap needs to be continuously pulled large until the top edge of the display screen is completely separated from the shell, so that the embodiment also arranges two first sucking discs 22 on the upper cover plate 21 at positions corresponding to two top corners of the top of the display screen, the first sucking disc 22 arranged here is called a second sucking disc 222, after the gap pulled open is gradually pulled large through the first sucking disc 221, the display screen continues to be pulled through the second sucking disc 222 until the top edge of the display screen is completely separated from the shell; then, the display screen needs to be gradually pulled away from the top to the bottom, so that the display screen is completely separated from the housing, and since the display screen is longer in length from the top to the bottom and has continuous hot melt adhesive 7 at the edge, in this embodiment, four first suction cups 22 are arranged on the upper cover plate 21 in a transition manner, the first suction cups 22 arranged here are referred to as third suction cups 223, the four third suction cups 223 are aligned horizontally, two third suction cups 223 in the middle are aligned vertically with the first suction cup 221, and two third suction cups 223 at the edge are aligned vertically with the second suction cup 222; in this embodiment, four first suction cups 22 are disposed on the upper cover plate 21 in an area opposite to the bottom edge of the display screen, the first suction cups 22 disposed here are referred to as suction cups No. four 224, the four suction cups No. four 224 are transversely aligned, two suction cups No. four 224 in the middle are longitudinally aligned with the suction cup No. one 221, and two suction cups No. four 224 on the edge are longitudinally aligned with the suction cup No. two 222, so that in this embodiment, 12 first suction cups 22 are disposed on the upper cover plate 21, and 12 first suction cups 22 are disposed in a 4 × 3 manner, including two suction cups No. one 221, two suction cups No. two 222, four suction cups No. three 223, and four suction cups No. four 224. The setting sequence is as follows: first, suction cup 221, second suction cup 222, third suction cup 223, and finally fourth suction cup 224, and the vacuum proportional valve performs the evacuation according to the above-mentioned setting sequence.
Referring to fig. 5 and 6, the second disassembling portion 3 includes a second supporting plate 31 and a plurality of second suckers 32, the tail end of the second suckers 32 is connected to the tooling platform 1, the sucker surfaces of the second suckers 32 are used for abutting against and adsorbing the housing, the second supporting plate 31 is connected to the tooling platform 1 through a plurality of supporting columns 33, because the display screen of the notebook computer is generally in a rectangular structure, the second supporting plate 31 can be also set to be rectangular, and the edges of four sides of the second supporting plate 31 are provided with limiting protrusions 35, so that the following purposes can be achieved: after the housing is placed on the second supporting plate 31, four sides of the housing are all abutted against the limiting protrusions 35, so that the housing can be prevented from moving transversely relative to the supporting surface.
Referring to fig. 2, 3, 5 and 6, preferably, the heating mechanism includes a first heating part 41 provided on the upper cover plate 21 and a second heating part 42 provided on the second dismantling part 3. First heating portion 41 includes first hot plate 411, first backup pad 412 and first electric jar 413, first electric jar 413 sets up on the second face of upper cover plate 21, the output shaft of first electric jar 413 penetrates from the second face of upper cover plate 21, and wear out from the first face of upper cover plate 21, first hot plate 411 laminating is on the one side of first backup pad 412, first hot plate 411 sets up to the silicon rubber hot plate, can reduce the probability of damaging the display screen after with the display screen contact, the another side of first backup pad 412 is connected with the output shaft of first electric jar 413. The first heating plate 411 is attached to the first support plate 412 to form a plate, and the plate is provided with first suction pad holes 414 through which the first suction pads 22 can pass. The second heating portion 42 includes a heating pipe 421, the heating pipe 421 is inserted into the second supporting plate 31, the heating pipe 421 heats the housing by heating the second supporting plate 31, and the second supporting plate 31 is provided with a plurality of second suction cup holes 34 through which the second suction cups 32 can pass.
Referring to fig. 2, the disassembling jig of the present invention further includes a locking mechanism, the locking mechanism is configured to lock the first disassembling part 2 and the second disassembling part 3 during heating, the locking mechanism includes a locking bracket 61 disposed on the upper cover plate 21, and a second electric cylinder 63 and a locking plate 62 disposed on the tooling platform 1, the locking bracket 61 is provided with a first locking hole 611, the locking plate 62 is provided with a second locking hole 621, the first locking hole 611 and the second locking hole 621 are both circular and have the same diameter, when the upper cover plate 21 is turned over to a position where the first suction plate 22 can absorb the display screen by the turning shaft 5, the first locking hole 611 corresponds to the second locking hole 621, and after the output shaft of the second electric cylinder 63 extends out, the output shaft can penetrate into the locking holes on the first locking hole 611 and the second locking hole 621, and after the output shaft of the second electric cylinder 63 penetrates into the first locking hole 611 and the second locking hole 621, the output shaft is tightly fitted with the inner walls of the first locking hole 611 and the second locking hole 621, so as to achieve the purpose of locking.
The invention also provides a screen disassembling method, which adopts the screen disassembling jig to separate the display screen from the shell and comprises the following steps:
step S1, opening a disassembling jig to separate a first disassembling part 2 from a second disassembling part 3;
s2, fixing the shell through a second disassembling part 3;
s3, closing and disassembling jigs;
s4, heating and softening the hot melt adhesive 7 through a heating mechanism;
and S5, after the temperature is heated to the set temperature, the display screen is adsorbed by the first adsorption discs 22, and the display screen is pulled according to the set sequence, so that the display screen is separated from the shell.
In particular, the method comprises the following steps of,
the step S1 comprises the following steps: firstly, unlocking the locking mechanism, and contracting the output shaft of the second electric cylinder 63 until the output shaft of the second electric cylinder 63 is drawn out from the first locking hole 611 and the second locking hole 621; and then the upper cover plate 21 is turned over around the turning shaft 5, so that the included angle between the upper cover plate 21 and the tooling platform 1 is gradually increased.
The step S2 comprises the following steps: placing the housing toward second support plate 31; when the housing is placed, the housing is limited by a plurality of limiting protrusions 35 arranged at the edge of the second support plate 31; while the housing at the screen end is sucked by the second suction cup 32.
The step S3 comprises the following steps: the upper cover plate 21 is turned over around the turning shaft 5, so that the included angle between the upper cover plate 21 and the tooling platform 1 is gradually reduced until the first lock hole 611 is aligned with the second lock hole 621, at the moment, the suction cup surface of the first suction cup 22 abuts against the display screen, the output shaft of the first electric cylinder 413 stretches, and the first heating plate 411 is driven to abut against the display screen; then, the first disassembling part 2 and the second disassembling part 3 are locked by the locking mechanism, that is, the output shaft of the second electric cylinder 63 stretches until the output shaft of the second electric cylinder 63 penetrates into the first locking hole 611 and the second locking hole 621.
Step S4 comprises the following steps: the display screen is heated by the first heating plate 411; and heats the outer shell after heating the second support plate 31 by the heating pipe 421.
The step S5 comprises the following steps: after the heating to the set temperature, the set temperature is 80-85 ℃, the hot melt adhesive 7 can be sufficiently softened at this time, the first heating plate 411 is driven to be away from the display screen through the contraction of the output shaft of the first electric cylinder 413, and a space for pulling the display screen in the direction away from the shell can be reserved for the first suction cup 22. And then the first sucking discs 22 are pumped through the vacuum proportional valve according to a set sequence, so that the first sucking discs 22 pull the display screen according to the set sequence, the display screen and the shell are gradually separated under the condition of uniform stress, and the set sequence is from the first sucking disc 221 to the second sucking disc 222 to the third sucking disc 223 to the fourth sucking disc 224.
In the process that display screen and shell separate gradually, can be to the edge dropwise add separation point glue agent of display screen and shell separation for supplementary screen of disassembling.
Has the advantages that:
1. on the tooling platform 1, the display screen and the shell are heated simultaneously, so that the heating is more uniform;
2. in the process of disassembling the display screen, the shell does not leave the second disassembling part 3, and the second heating part 42 in the second disassembling part 3 continues to heat the shell, so that a heat preservation effect can be achieved, and the hot melt adhesive 7 softened by heating is prevented from being solidified again due to temperature reduction;
3. the second part of disassembling 3 is better to the fixed effect of shell, on this basis, sets for the order through the vacuum proportional valve and bleed to first sucking disc 22 according to the aforesaid for first sucking disc 22 stimulates the display screen according to setting for the order in proper order, and the quantity of the first sucking disc 22 of pulling the display screen at every turn all is greater than one, can make the display screen more even by the in-process atress of pulling, has reduced the garrulous screen rate.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (16)
1. A screen disassembling jig is used for separating a display screen and a shell which are adhered and pressed together through hot melt adhesive (7) and is characterized by comprising a tool platform (1),
the tooling platform (1) comprises a first disassembly part (2), a second disassembly part (3) and a heating mechanism,
the first disassembling part (2) comprises an upper cover plate (21) and a plurality of first suckers (22) arranged on the upper cover plate (21), the sucker surfaces of the first suckers (22) are used for sucking and pulling the display screen towards the direction far away from the shell,
the first suckers (22) comprise a first sucker (221) arranged at the top of the upper cover plate (21) close to the middle position, a second sucker (222) arranged at the outer side of the first sucker (221), a plurality of fourth suckers (224) arranged at the bottom of the upper cover plate (21) and a plurality of third suckers (223) arranged between the second sucker (222) and the fourth suckers (224),
the first suckers (22) can pull the display screen according to a set sequence, wherein the set sequence is from the first sucker (221) to the second sucker (222), to the third sucker (223) to the fourth sucker (224);
the second dismantling part (3) is used for fixing the shell,
the heating mechanism is used for heating and softening the hot melt adhesive (7).
2. A screen disassembling jig according to claim 1,
the tail end of the first sucking disc (22) is connected with the first plate surface of the upper cover plate (21) through a connecting pipe (23),
the first suction disc (22) is internally hollow and is provided with an air exhaust cavity (225), the connecting pipe (23) is internally provided with a hollow connecting cavity (231) along a connecting path, the air exhaust cavity (225) is communicated with the connecting cavity (231),
one end of the connecting pipe (23) is connected with the first sucker (22), the other end of the connecting pipe (23) is connected with an air exhaust mechanism, and the air exhaust mechanism is used for sucking air in the air exhaust cavity (225).
3. The screen disassembling jig according to claim 2, wherein the air suction mechanism is provided as a vacuum proportional valve.
4. A screen disassembling jig according to claim 1,
the heating mechanism includes a first heating section (41) provided on the upper cover plate (21) and a second heating section (42) provided on the second dismantling section (3).
5. A screen disassembling jig according to claim 4,
the first heating part (41) comprises a first heating plate (411), a first supporting plate (412) and a first electric cylinder (413),
the first electric cylinder (413) is arranged on the second plate surface of the upper cover plate (21), an output shaft of the first electric cylinder (413) penetrates through the second plate surface of the upper cover plate (21) and penetrates out of the first plate surface of the upper cover plate (21),
the first heating plate (411) is attached to one surface of the first support plate (412),
the other surface of the first support plate (412) is connected to an output shaft of the first electric cylinder (413).
6. A screen disassembling jig according to claim 5, characterized in that the first heating plate (411) is attached to the first support plate (412) to form a plate, and the plate is provided with a first suction cup hole (414) for allowing the first suction cup (22) to pass through.
7. A screen disassembling jig according to claim 4,
the second dismantling part (3) comprises a second support plate (31) and a plurality of second suction cups (32),
the tail end of the second sucker (32) is connected to the tool platform (1), the sucker surface of the second sucker (32) is used for tightly abutting against and adsorbing the shell,
the second support plate (31) is connected to the tooling platform (1) through a support column (33),
the second heating part (42) comprises a heating pipe (421) penetrating into the second supporting plate (31), the heating pipe (421) heats the second supporting plate (31) to heat the shell,
the second supporting plate (31) is provided with a plurality of second sucker holes (34) through which the second suckers (32) can penetrate.
8. A screen disassembling jig according to claim 7, characterized in that the edge of the second supporting plate (31) is further provided with a plurality of limiting protrusions (35) for limiting the lateral movement of the housing relative to the supporting surface.
9. The screen disassembling jig according to claim 1, wherein the upper cover plate (21) is rotatably connected to the tooling platform (1) through a turnover shaft (5).
10. A screen dismantling jig as claimed in claim 9 further comprising a locking mechanism for locking said first dismantling portion (2) and second dismantling portion (3) when heating,
the locking mechanism comprises a locking bracket (61) arranged on the upper cover plate (21), a second electric cylinder (63) and a locking plate (62) arranged on the tooling platform (1),
a first lock hole (611) is arranged on the locking bracket (61), a second lock hole (621) is arranged on the locking plate (62),
when the upper cover plate (21) is turned to a position enabling the first sucking disc (22) to suck the display screen through the turning shaft (5), the first locking hole (611) corresponds to the second locking hole (621),
and after the output shaft of the second electric cylinder (63) extends out, the output shaft can penetrate into the lock holes in the first lock hole (611) and the second lock hole (621).
11. A screen disassembling jig according to claim 10, wherein an output shaft of the second electric cylinder (63) is tightly fitted to inner walls of the first locking hole (611) and the second locking hole (621) after penetrating into the first locking hole (611) and the second locking hole (621).
12. A screen disassembling method for separating a display screen from a housing by using the screen disassembling jig according to claim 1, comprising the steps of:
opening the disassembling jig to separate the first disassembling part (2) from the second disassembling part (3);
fixing the housing by the second disassembled part (3);
closing and disassembling the jig;
the hot melt adhesive (7) is heated and softened by the heating mechanism;
after the temperature is heated to the set temperature, the display screen is adsorbed by the first suckers (22) and is pulled according to the set sequence, so that the display screen is separated from the shell.
13. A screen disassembling method according to claim 12, wherein the step of closing and disassembling the jig further comprises: the first disassembled part (2) and the second disassembled part (3) are locked through a locking mechanism.
14. A screen disassembling method according to claim 12, wherein the step of heat-softening the hot melt adhesive comprises:
the second support plate (31) is heated through a heating pipe (421) and then the shell is heated;
and the display screen is heated by a first heating plate (411).
15. A screen disassembling method according to claim 14, wherein the step of separating the display screen from the housing by sucking the display screen by a plurality of said first suction cups (22) after heating to the set temperature and pulling the display screen in the set order comprises:
after the temperature is heated to the set temperature, the first heating plate (411) is driven to be away from the display screen through the contraction of an output shaft of the first electric cylinder (413);
controlling the first sucking discs (22) through a vacuum proportional valve, so that the first sucking discs (22) pull the display screen according to a set sequence, and the display screen is gradually separated from the shell.
16. A screen disassembling method according to claim 15, wherein a separation point glue is dropped to an edge where the display screen is separated from the housing in a process of gradually separating the display screen from the housing, for assisting disassembling the screen.
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