CN219245886U

CN219245886U - Auxiliary jig for attaching Mylar adhesive tape

Info

Publication number: CN219245886U
Application number: CN202320138020.XU
Authority: CN
Inventors: 高素鱼
Original assignee: InfoVision Optoelectronics Kunshan Co Ltd
Current assignee: InfoVision Optoelectronics Kunshan Co Ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-06-23
Anticipated expiration: 2033-01-31

Abstract

The utility model discloses an auxiliary jig for attaching a Mylar adhesive tape, and relates to the technical field of processing and manufacturing of display devices. The Mylar adhesive tape is folded from the attaching side of the display device to the attaching side of the display device, which is away from the liquid crystal panel, and the PCB is arranged on the side of the display device, which is away from the liquid crystal panel, and is protected by attaching the Mylar adhesive tape. The auxiliary jig for attaching the Mylar adhesive tape comprises a fixing plate and a supporting plate, wherein a sucking disc is arranged on the fixing plate, and one side, deviating from the liquid crystal panel, of the display device is adsorbed through the sucking disc. The support plate is rotatably connected with the fixing plate, and the fixing plate can rotate to a preset angle and is fixed so as to attach the Mylar adhesive tape to the attaching side; the fixing plate can also rotate to the liquid crystal panel to be attached with the backup pad to roll over the Mylar sticky tape from attaching the side to the display device and deviate from the subsides of flattening of one side of liquid crystal panel and attach. The auxiliary jig for attaching the Mylar adhesive tape improves the product yield and the attaching efficiency of the display device.

Description

Auxiliary jig for attaching Mylar adhesive tape

Technical Field

The utility model relates to the technical field of processing and manufacturing of display devices, in particular to an auxiliary jig for attaching a Mylar adhesive tape.

Background

When the display device is assembled, after the backlight module and the liquid crystal panel are assembled, the backlight module is fixed through the middle frame, and as the PCB is arranged on one side, deviating from the liquid crystal panel, of the backlight module, the PCB is arranged close to the bottom of the display panel, and in order to protect the PCB, mylar adhesive tapes are usually used for folding from one side surface of the thickness direction of the display device to one side, deviating from the liquid crystal panel, of the backlight module, and the Mylar adhesive tapes are attached.

In the prior art, the Mylar adhesive tape is usually manually attached, when the display device is required to be attached in a standing and aligning manner, the Mylar adhesive tape is attached while the display device is fixed by both hands, the aligning precision is poor, the damage of the liquid crystal panel is easily caused when the display device is not well fixed, and the attaching efficiency is low.

Disclosure of Invention

The utility model aims to provide an auxiliary jig for attaching a Mylar adhesive tape, which can avoid poor attachment of the Mylar adhesive tape and breakage of a liquid crystal panel and improve attachment efficiency.

To achieve the purpose, the utility model adopts the following technical scheme:

the auxiliary jig for attaching the Mylar adhesive tape, the Mylar adhesive tape is folded from the attaching side of the display device to the attaching side of the display device, which is away from the liquid crystal panel, a PCB board is arranged on the side of the display device, which is away from the liquid crystal panel, and the PCB board is protected by attaching the Mylar adhesive tape, wherein the auxiliary jig for attaching the Mylar adhesive tape comprises:

the fixing plate is provided with a sucker, and the sucker is used for sucking one side, away from the liquid crystal panel, of the display device;

the support plate is rotationally connected with the fixing plate, and the fixing plate can rotate to a preset angle so as to attach the Mylar adhesive tape to the attaching side; the fixing plate can also rotate to the liquid crystal panel to be attached to the supporting plate, so that the Mylar adhesive tape is folded from the attaching side to the flattening attaching side of the side, away from the liquid crystal panel, of the display device.

As an alternative to the auxiliary jig for attaching the Mylar tape, the fixing plate and the supporting plate are rotatably connected through a connecting assembly; the connecting assembly comprises a first adjusting shaft, a second adjusting shaft, two first connecting pieces and two second connecting pieces, wherein the first adjusting shaft is fixed at one end of the fixed plate, and two ends of the first adjusting shaft are respectively connected with the two first connecting pieces; the second adjusting shaft is fixed at one end of the supporting plate, two ends of the second adjusting shaft are respectively connected with the two second connecting pieces, the second connecting pieces are connected with the first connecting pieces, and the first adjusting shaft rotates relative to the first connecting pieces or the first connecting pieces rotate relative to the second connecting pieces so that the fixing plate rotates relative to the supporting plate.

As an alternative scheme of the auxiliary jig for attaching the Mylar adhesive tape, the distance between the fixing plate and the supporting plate is adjustable, a first waist-shaped hole is formed in the first connecting piece, and the first adjusting shaft can move in the first waist-shaped hole;

the auxiliary jig for attaching the Mylar adhesive tape further comprises a first locking piece, wherein the first adjusting shaft moves in the first kidney-shaped hole so as to adjust the distance between the fixing plate and the supporting plate, and the first locking piece can lock the position of the first adjusting shaft.

As an alternative of the auxiliary jig for attaching the Mylar tape, a second kidney-shaped hole is provided on the second connecting member, and the second adjusting shaft can move in the second kidney-shaped hole to move the position of the supporting plate, and the auxiliary jig for attaching the Mylar tape further includes a second locking member, and the second locking member can lock the second adjusting shaft to fix the position of the supporting plate.

As an alternative scheme of the auxiliary jig for attaching the Mylar adhesive tape, a length positioning block and a width positioning block are arranged on the fixing plate, and the length positioning block and the width positioning block are matched to position the display device.

As an alternative to the auxiliary jig for attaching the Mylar tape, the positions of the length positioning block and the width positioning block on the fixing plate are adjustable.

As an alternative scheme of the auxiliary jig for attaching the Mylar adhesive tape, the auxiliary jig for attaching the Mylar adhesive tape further comprises a length adjusting assembly, the length adjusting assembly comprises a first knob and a first transmission arm, the first knob can drive the first transmission arm to rotate by taking the center of the first knob as the center of a circle, a first sliding rail is arranged on the fixing plate, one end of the length positioning block is slidably arranged on the first sliding rail, a first sliding groove is arranged in the length direction of the length positioning block, one end of the first transmission arm, far away from the first knob, is slidably arranged on the first sliding groove, the first sliding groove is perpendicular to the first sliding rail, and the first knob rotates to drive the first transmission arm to rotate and slide in the first sliding groove so that the length positioning block can move along the length direction of the first sliding rail.

As an alternative scheme of the auxiliary jig for attaching the Mylar adhesive tape, the auxiliary jig for attaching the Mylar adhesive tape further comprises a width adjusting assembly, the width adjusting assembly comprises a second knob and a second transmission arm, the second knob can drive the second transmission arm to rotate by taking the center of the second knob as the center of a circle, a second sliding rail is arranged on the fixing plate, the second sliding rail is perpendicular to the first sliding rail, one end of the width positioning block is slidingly arranged on the second sliding rail, a second sliding groove is arranged along the length direction of the width positioning block, one end of the second transmission arm, far away from the second knob, is slidingly arranged on the second sliding groove, the second sliding groove is perpendicular to the second sliding rail, the second knob is rotationally driven to rotate the second transmission arm and slide in the second sliding groove, and the width positioning block can be enabled to move along the length direction of the second sliding rail.

As an alternative scheme of the auxiliary jig for attaching the Mylar adhesive tape, scales are arranged on the first connecting piece, the second connecting piece, the first sliding rail and the second sliding rail.

As an alternative scheme of the auxiliary jig for attaching the Mylar adhesive tape, the sucker is connected with the vacuum device through a negative pressure pipeline, and the fixed plate or the supporting plate is provided with an air extraction button for controlling the vacuum device to extract vacuum and a reset button for controlling the vacuum device to stop extracting vacuum.

The utility model has the beneficial effects that:

according to the auxiliary jig for attaching the Mylar adhesive tape, the fixing plate and the supporting plate are arranged, the sucking disc is arranged on the fixing plate, the display device is adsorbed and fixed through the sucking disc, the sucking disc adsorbs one side of the display device, which is far away from the liquid crystal panel, and the attaching side of the display device is located at one end, which is far away from the fixing plate and is in rotary connection with the supporting plate, of the fixing plate, the fixing plate is rotated to a preset angle and fixed, the attaching side is enabled to stand up, the Mylar adhesive tape is attached to the attaching side, then the fixing plate is continuously rotated, the liquid crystal panel is enabled to be attached to the supporting plate to support the display device, and then the Mylar adhesive tape is folded to one side, which is far away from the liquid crystal panel, of the display device to be flattened and attached. The auxiliary jig for attaching the Mylar adhesive tape is used for attaching the Mylar adhesive tape, and an operator is not required to fix the display device during attaching, so that the phenomenon of poor attaching of the Mylar adhesive tape is avoided, the product yield of the display device is improved, and meanwhile, the attaching efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary jig for attaching Mylar tape according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing a state of a connection assembly when a fixing plate and a supporting plate are positioned in the same plane according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing a state of the connecting assembly after the fixing plate is rotated to a predetermined angle according to the embodiment of the present utility model;

fig. 4 is a schematic view showing a state of a connection assembly when a fixing plate provided in an embodiment of the present utility model rotates to a state where a liquid crystal panel is attached to a support plate;

fig. 5 is a schematic view of a display device according to an embodiment of the present utility model when the display device is fixed to an auxiliary fixture to which a Mylar tape is attached;

fig. 6 is a schematic view showing a state in which a fixing plate according to an embodiment of the present utility model is rotated to be raised, and a Mylar tape is attached to an attaching side of a display device;

fig. 7 is a schematic view illustrating a state in which a fixing plate provided in an embodiment of the present utility model is rotated to a side of a display device facing away from a liquid crystal panel and is attached to a supporting plate.

In the figure:

100. a display device; 200. mylar tape;

1. a fixing plate; 2. a suction cup; 3. a support plate; 4. a connection assembly; 5. a length positioning block; 6. a width positioning block; 7. a first knob; 8. a second knob;

11. a first slide rail; 12. a second slide rail; 13. an avoidance unit; 41. a first adjustment shaft; 42. a first connector; 43. a second connector; 44. a second adjustment shaft; 45. a first locking member; 46. a second locking member; 91. an air extraction button; 92. a reset button;

421. a first kidney-shaped aperture; 431. and a second kidney-shaped aperture.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The Mylar adhesive tape is folded from the attaching side of the display device to the attaching side of the display device, which is away from the liquid crystal panel, and the PCB is arranged on the side of the display device, which is away from the liquid crystal panel, and is protected by attaching the Mylar adhesive tape. In the prior art, the Mylar adhesive tape is attached to the display device while the display device is fixed, so that poor attachment is easily caused, the liquid crystal panel is easily damaged, and the attaching efficiency is low.

Fig. 1 is a schematic structural diagram of an auxiliary jig for attaching Mylar tape according to an embodiment of the present utility model; as shown in fig. 1, this embodiment provides an auxiliary fixture for attaching Mylar adhesive tape, which includes a fixing plate 1 and a supporting plate 3, wherein a suction cup 2 is disposed on the fixing plate 1, and a side of the display device 100 facing away from the liquid crystal panel is sucked by the suction cup 2. The support plate 3 is rotatably connected with the fixing plate 1, and the fixing plate 1 can be rotated to a preset angle and fixed to attach the Mylar tape 200 to the attaching side; the fixing plate 1 can also be rotated until the liquid crystal panel is attached to the supporting plate 3, so that the Mylar adhesive tape 200 is folded from the attaching side to the side of the display device 100 away from the liquid crystal panel for flattening and attaching.

Through setting up fixed plate 1 and backup pad 3, set up sucking disc 2 on fixed plate 1, adsorb fixed display device 100 through sucking disc 2, sucking disc 2 adsorbs one side that display device 100 deviates from liquid crystal panel to make the attached side of display device 100 lie in fixed plate 1 and keep away from fixed plate 1 and backup pad 3 one end of rotating the connection, rotate fixed plate 1 to predetermine the angle and fix, make attached side stand up, with Mylar sticky tape 200 attached to attached side. And then continuing to rotate the fixing plate 1, so that the liquid crystal panel is attached to the supporting plate 3 to support the display device 100, and then folding the Mylar adhesive tape 200 towards one side of the display device 100 away from the liquid crystal panel for flattening and attaching. The Mylar adhesive tape 200 is attached to the auxiliary jig for attaching the Mylar adhesive tape, and an operator is not required to fix the display device 100 during attachment, so that the phenomenon of poor attachment of the Mylar adhesive tape 200 is avoided, the product yield of the display device 100 is improved, and the attachment efficiency is improved.

As an alternative to the auxiliary jig for attaching the Mylar tape, the suction cup 2 is connected with the vacuum device through a negative pressure pipe, and the fixing plate 1 or the supporting plate 3 is provided with an air extraction button 91 for controlling the vacuum device to extract the vacuum and a reset button 92 for controlling the vacuum device to stop extracting the vacuum. The vacuum device is connected with the negative pressure pipeline, is provided with a plurality of suction nozzles on the sucking disc 2, and the negative pressure pipeline is connected with a plurality of suction nozzles in a one-to-one correspondence manner through a plurality of branch pipelines, and an operator only needs to press the air extraction button 91, and the display device 100 arranged on the sucking disc 2 can be adsorbed and fixed through the plurality of suction nozzles, and after the Mylar adhesive tape 200 is attached, the display device 100 can be released only by pressing the reset button 92.

In this embodiment, the air extraction button 91 and the reset button 92 are both fixed to the side surface of the support plate 3 away from the end where the support plate 3 is rotatably connected to the fixing plate 1, so that the operation of the operator is facilitated.

The working principle of the vacuum device, the electrical connection manner of the vacuum device and the air extraction button 91 and the vacuum device and the reset button 92, and the working principle are already the prior art, and are not described herein again.

As an alternative to the auxiliary jig for attaching the Mylar tape, the fixing plate 1 is provided with a length positioning block 5 and a width positioning block 6, and the length positioning block 5 and the width positioning block 6 cooperate to position the display device 100. The length locating piece 5 sets up along the length direction of fixed plate 1, width locating piece 6 sets up along the width direction of fixed plate 1, length locating piece 5 and width locating piece 6 set up in the adjacent both sides of fixed plate 1 respectively, when placing display device 100 on fixed plate 1, one side that display device 100 deviates from liquid crystal panel is towards sucking disc 2, the one end that fixed plate 1 and backup pad 3 were kept away from to PCB board place one end rotates the one end of being connected and sets up, and the adjacent both sides of display device 100 respectively with length locating piece 5 and width locating piece 6 butt, in order to realize the location of display device 100, then press bleed button 91, adsorb display device 100 and be fixed in fixed plate 1.

It should be noted that, the end that fixed plate 1 kept away from fixed plate 1 and backup pad 3 rotation is connected still is provided with dodges portion 13, dodges portion 13 and is used for dodging the PCB board of one side that display device 100 deviates from liquid crystal panel, prevents to interfere the subsides of flattening when Mylar adhesive tape 200 rolls over one side that deviates from liquid crystal panel, guarantees that Mylar adhesive tape 200 covers the PCB board completely.

The display devices 100 of different models have different lengths, widths and thicknesses, so as to enhance the universality of the auxiliary jig for attaching the Mylar tape, and adapt to the attachment of the Mylar tape 200 to the display devices 100 of different models. When the fixing plate 1 is used for positioning the display device 100, the positions of the length positioning block 5 and the width positioning block 6 on the fixing plate 1 are adjustable so as to adapt to the display devices 100 with different lengths and widths. The fixing plate 1 is rotated to a preset angle to enable the display device 100 to stand up, the Mylar adhesive tape 200 is adhered to the attaching side, and then the fixing plate 1 is rotated to enable the liquid crystal panel to be attached to the supporting plate 3, so that the display device 100 is supported on the supporting plate 3, and the Mylar adhesive tape 200 is folded to one side, away from the liquid crystal panel, of the display device 100 to be manually flattened to cover the PCB.

FIG. 2 is a schematic view showing a state of a connection assembly when a fixing plate and a supporting plate are positioned in the same plane according to an embodiment of the present utility model; as shown in fig. 2, in the auxiliary jig for attaching Mylar tape provided in this embodiment, the fixing plate 1 and the supporting plate 3 are rotatably connected through the connecting assembly 4. The connecting assembly 4 comprises a first adjusting shaft 41, a second adjusting shaft 44, two first connecting pieces 42 and two second connecting pieces 43, wherein the first adjusting shaft 41 is fixed at one end of the fixed plate 1, and two ends of the first adjusting shaft 41 are respectively connected with the two first connecting pieces 42; the second adjusting shaft 44 is fixed to one end of the support plate 3, and both ends of the second adjusting shaft 44 are respectively connected to two second connecting pieces 43, the first connecting piece 42 is connected to the second connecting piece 43, and the first adjusting shaft 41 rotates relative to the first connecting piece 42 or the first connecting piece 42 rotates relative to the second connecting piece 43, so that the fixing plate 1 rotates relative to the support plate 3.

In the present embodiment, the first link 42 and the second link 43 are hinged, and the first adjustment shaft 41 is rotated with respect to the first link 42 to achieve the relative rotation of the fixed plate 1 and the support plate 3. In order to realize that the fixing plate 1 rotates to the preset angle and then is fixed, the first adjusting shaft 41 is set to be a damping shaft, under the action of external force, the fixing plate 1 can rotate relative to the supporting plate 3, and when the fixing plate 1 is not acted by external force, the fixing plate 1 is fixed, so that the fixing plate 1 is guaranteed to rotate to the preset angle and then is fixed in position, and an operator can align accurately when attaching the Mylar adhesive tape 200, and poor attachment is avoided. The preset angles can be 30 degrees, 60 degrees, 90 degrees, 120 degrees and the like, and only the requirement that an operator is convenient to operate is met.

Of course, in other embodiments, the fixing plate 1 may be fixed on the same line with the first connecting piece 42, the first connecting piece 42 and the second connecting piece 43 are hinged, and the fixing plate 1 is rotated relative to the supporting plate 3 by rotating the first connecting piece 42.

In order to position the display device 100 with different lengths, the auxiliary jig for attaching the Mylar adhesive tape further comprises a length adjusting assembly, the length adjusting assembly comprises a first knob 7 and a first transmission arm (not shown in the figure), the first knob 7 can drive the first transmission arm to rotate by taking the center of the first knob 7 as a circle center, a first sliding rail 11 is arranged on the fixing plate 1, one end of the length positioning block 5 is slidably arranged on the first sliding rail 11, a first sliding groove is arranged along the length direction of the length positioning block 5, one end of the first transmission arm, far away from the first knob 7, is slidably arranged on the first sliding groove, the first sliding groove is perpendicular to the first sliding rail 11, the first knob 7 rotates to drive the first transmission arm to rotate and slide in the first sliding groove, and the length positioning block 5 can move along the length direction of the first sliding rail 11. When the position of the length positioning block 5 needs to be adjusted, only the first knob 7 is required to be rotated, the first knob 7 rotates to drive the first transmission arm to rotate by taking the center of the first knob 7 as the center of a circle, and the length positioning block 5 can be driven to move in the first sliding rail 11 so as to adapt to the length of the display panel.

In order to position the display device 100 with different widths, the auxiliary jig for attaching the Mylar adhesive tape further comprises a width adjusting assembly, the width adjusting assembly comprises a second knob 8 and a second transmission arm, the second knob 8 can drive the second transmission arm to rotate by taking the center of the second knob 8 as the center of a circle, a second slide rail 12 is arranged on the fixed plate 1, the second slide rail 12 is perpendicular to the first slide rail 11, one end of the width positioning block 6 is slidably arranged on the second slide rail 12, a second slide groove is arranged along the length direction of the width positioning block 6, one end of the second transmission arm, far away from the second knob 8, is slidably arranged on the second slide groove, the second slide groove is perpendicular to the second slide rail 12, the second knob 8 rotates to drive the second transmission arm to rotate and slide in the second slide groove, and the width positioning block 6 can move along the length direction of the second slide rail 12. When the position of the width positioning block 6 needs to be adjusted, only the second knob 8 is required to be rotated, the second knob 8 rotates to drive the second transmission arm to rotate by taking the center of the second knob 8 as the center of a circle, and the width positioning block 6 can be driven to move in the second slide rail 12 so as to adapt to the width of the display panel.

Of course, in other embodiments, the length positioning block 5 and the width positioning block 6 can be driven to move by a transmission mode of matching the screw rod and the nut.

Since the distance between the fixing plate 1 and the supporting plate 3 is required to be equal to the thickness of the display device 100 when the fixing plate 1 is rotated to attach the liquid crystal panel to the supporting plate 3, the distance between the fixing plate 1 and the supporting plate 3 is adjustable to adapt to the thickness of the display device 100 of different types.

FIG. 3 is a schematic view showing a state of the connecting assembly after the fixing plate is rotated to a predetermined angle according to the embodiment of the present utility model; fig. 4 is a schematic view showing a state of a connection assembly when a fixing plate provided in an embodiment of the present utility model rotates to a state where a liquid crystal panel is attached to a support plate; as shown in fig. 3 and 4, the first link 42 is provided with a first kidney-shaped hole 421, and the first adjustment shaft 41 is movable within the first kidney-shaped hole 421; the auxiliary jig for attaching the Mylar tape further includes a first locking member 45, and the first adjusting shaft 41 moves in the first kidney-shaped hole 421 to adjust the interval between the fixing plate 1 and the supporting plate 3, and the first locking member 45 can lock the position of the first adjusting shaft 41. The first kidney-shaped hole 421 is disposed along the length direction of the first connecting member 42, the first adjusting shaft 41 moves along the length direction of the first kidney-shaped hole 421 in a direction approaching the second connecting member 43, and when the fixing plate 1 rotates until the liquid crystal panel is attached to the support plate 3, the distance between the fixing plate 1 and the support plate 3 is reduced, so that the display device 100 with a thinner thickness is suitable. The first adjusting shaft 41 moves along the length direction of the first kidney-shaped hole 421 in a direction away from the second connecting member 43, and when the fixing plate 1 rotates until the liquid crystal panel is attached to the support plate 3, the distance between the fixing plate 1 and the support plate 3 increases, and the display device 100 with a thicker thickness is suitable. When the first adjustment shaft 41 moves the fixing plate 1 to a position where the distance between the fixing plate 1 and the support plate 3 is equal to the thickness of the display device 100, the position of the first adjustment shaft 41 is fixed by the first locking member 45. The first locking piece 45 can be a locking ring, a through hole is formed in the locking ring, a damping bearing is arranged in the through hole, the damping bearing is matched with the first adjusting shaft 41, the first adjusting shaft 41 forms a damping shaft, and the fixing plate 1 can be fixed after rotating to a preset angle. When it is necessary to move the first regulation shaft 41, the lock ring is rotated to a position parallel to the first kidney-shaped hole 421 so that the first regulation shaft 41 can move within the first kidney-shaped hole 421. When the position of the first adjusting shaft 41 needs to be fixed after being adjusted, the locking ring is rotated to be perpendicular to the first kidney-shaped hole 421 and is clamped on the first connecting piece 42, so as to fix the position of the first adjusting shaft 41.

When the width of the display device 100 is wider, in order to avoid too many protrusions of the display device 100 from the support plate 3, the fixing plate 1 rotates until the liquid crystal panel is attached to the support plate 3, and when the Mylar adhesive tape 200 is pressed and attached to the side of the display device 100 facing away from the liquid crystal panel, the liquid crystal panel is damaged, and the position of the second adjusting shaft 44 on the second connecting piece 43 can be adjusted to adapt to the width of the display device 100.

The second connecting piece 43 is provided with a second kidney-shaped hole 431, the second adjusting shaft 44 can move in the second kidney-shaped hole 431 to move the position of the supporting plate 3, and the auxiliary fixture for attaching the Mylar adhesive tape further comprises a second locking piece 46, and the second locking piece 46 can lock the second adjusting shaft 44 to fix the position of the supporting plate 3. The second kidney-shaped hole 431 is formed along the length of the second connecting piece 43, and the second adjusting shaft 44 drives the supporting plate 3 to move along the length direction of the second kidney-shaped hole 431 towards a position far away from the first connecting piece 42, so that the supporting position of the supporting plate 3 is closer to one end of the PCB, and the liquid crystal panel is prevented from being damaged when the Mylar adhesive tape 200 is flattened and attached to the PCB. The specific structure of the second locking member 46 is the same as that of the first locking member 45, and the connection manner of the second locking member 46 and the second adjusting shaft 44 is the same as that of the first locking member 45 and the first adjusting shaft 41, and will not be described here again.

As an alternative to the auxiliary jig for attaching the Mylar tape, scales are provided on the first connecting piece 42, the second connecting piece 43, the first slide rail 11, and the second slide rail 12. By setting the scales, when the positions of the length positioning block 5, the width positioning block 6, the fixed plate 1 and the support plate 3 are adjusted, the adjustment precision is higher, and the efficiency is higher.

Fig. 5 is a schematic view of a display device according to an embodiment of the present utility model when the display device is fixed to an auxiliary fixture to which a Mylar tape is attached; fig. 6 is a schematic view showing a state in which a fixing plate according to an embodiment of the present utility model is rotated to be raised, and a Mylar tape is attached to an attaching side of a display device; fig. 7 is a schematic view illustrating a state in which a fixing plate provided in an embodiment of the present utility model is rotated to a side of a display device facing away from a liquid crystal panel and is attached to a supporting plate. As shown in fig. 5 to 7, the steps of attaching the Mylar adhesive tape 200 using the auxiliary jig for attaching the Mylar adhesive tape provided in this embodiment are as follows:

(1) Before the Mylar tape 200 is attached, the positions of the length positioning block 5, the width positioning block 6, the first adjusting shaft 41 and the second adjusting shaft 44 are adjusted, so that the auxiliary jig for attaching the Mylar tape is matched with the length, the width and the thickness of the display device 100 to which the Mylar tape 200 is to be attached.

(2) When attaching, the fixing plate 1 is rotated to be located on the same plane with the supporting plate 3 to fix the display device 100, two adjacent sides of the display device 100 are respectively abutted with the length positioning block 5 and the width positioning block 6, one side of the display device 100, which is away from the liquid crystal panel, is arranged on the sucker 2, one end of the PCB is located at one end far away from the fixing plate 1 and rotationally connected with the supporting plate 3, and then the air extraction button 91 is pressed, so that a plurality of suction nozzles on the sucker 2 adsorb and fix the display device 100.

(3) The fixing plate 1 is then rotated to 90 °, and the Mylar tape 200 is attached in alignment to the attachment side of the display device 100.

(4) And finally, the fixing plate 1 is rotated until the liquid crystal panel is attached to the supporting plate 3, then the Mylar adhesive tape 200 is folded to one side of the display device 100, which is away from the liquid crystal panel, and is flattened and attached to the PCB.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. The utility model provides an auxiliary jig of attached Mylar sticky tape, mylar sticky tape is folded from the attached side of display device (100) to one side that display device (100) deviates from liquid crystal display panel is attached, one side that display device (100) deviates from liquid crystal display panel is equipped with the PCB board, through the subsides Mylar sticky tape protection the PCB board, its characterized in that, auxiliary jig of attached Mylar sticky tape includes:

the fixing plate (1) is provided with a sucker (2), and one side, away from the liquid crystal panel, of the display device (100) is sucked by the sucker (2);

the support plate (3) is rotationally connected with the fixing plate (1), and the fixing plate (1) can rotate to a preset angle and is fixed so as to attach the Mylar adhesive tape to the attaching side; the fixing plate (1) can also rotate to the position where the liquid crystal panel is attached to the supporting plate (3), so that the Mylar adhesive tape is folded from the attaching side to the side, away from the liquid crystal panel, of the display device (100) to be flattened and attached.

2. The auxiliary jig for attaching the Mylar tape according to claim 1, wherein the fixing plate (1) and the supporting plate (3) are rotatably connected through a connecting assembly (4); the connecting assembly (4) comprises a first adjusting shaft (41), a second adjusting shaft (44), two first connecting pieces (42) and two second connecting pieces (43), wherein the first adjusting shaft (41) is fixed at one end of the fixed plate (1), and two ends of the first adjusting shaft (41) are respectively connected with the two first connecting pieces (42); the second adjusting shaft (44) is fixed at one end of the supporting plate (3), two ends of the second adjusting shaft (44) are respectively connected with the two second connecting pieces (43), the second connecting pieces (43) are connected with the first connecting pieces (42), and the first adjusting shaft (41) rotates relative to the first connecting pieces (42) or the first connecting pieces (42) rotate relative to the second connecting pieces (43) so that the fixed plate (1) rotates relative to the supporting plate (3).

3. The auxiliary jig for attaching a Mylar tape according to claim 2, wherein a distance between the fixing plate (1) and the supporting plate (3) is adjustable, a first kidney-shaped hole (421) is provided on the first connecting piece (42), and the first adjusting shaft (41) can move in the first kidney-shaped hole (421);

the auxiliary jig for attaching the Mylar adhesive tape further comprises a first locking piece (45), wherein the first adjusting shaft (41) moves in the first kidney-shaped hole (421) to adjust the distance between the fixing plate (1) and the supporting plate (3), and the first locking piece (45) can lock the position of the first adjusting shaft (41).

4. A Mylar tape attaching auxiliary jig according to claim 3, wherein a second kidney-shaped hole (431) is provided in the second connecting member (43), the second adjusting shaft (44) is movable in the second kidney-shaped hole (431) to move the position of the support plate (3), and the Mylar tape attaching auxiliary jig further comprises a second locking member (46), and the second locking member (46) is capable of locking the second adjusting shaft (44) to fix the position of the support plate (3).

5. The auxiliary jig for attaching the Mylar tape according to claim 3, wherein a length positioning block (5) and a width positioning block (6) are arranged on the fixing plate (1), and the length positioning block (5) and the width positioning block (6) are matched to position the display device (100).

6. The auxiliary jig for attaching a Mylar tape according to claim 5, wherein the positions of the length positioning block (5) and the width positioning block (6) on the fixing plate (1) are adjustable.

7. The auxiliary jig for attaching a Mylar adhesive tape according to claim 6, further comprising a length adjusting assembly, wherein the length adjusting assembly comprises a first knob (7) and a first transmission arm, the first knob (7) can drive the first transmission arm to rotate by taking the center of the first knob (7) as a circle center, a first sliding rail (11) is arranged on the fixing plate (1), one end of the length positioning block (5) is slidingly arranged on the first sliding rail (11), a first sliding groove is arranged along the length direction of the length positioning block (5), one end of the first transmission arm, which is far away from the first knob (7), is slidingly arranged on the first sliding groove, the first sliding groove is perpendicular to the first sliding rail (11), and the first knob (7) can rotate to drive the first transmission arm to rotate and slide in the first sliding groove, so that the length positioning block (5) can move along the length direction of the first sliding rail (11).

8. The auxiliary jig for attaching a Mylar adhesive tape according to claim 7, further comprising a width adjusting assembly, wherein the width adjusting assembly comprises a second knob (8) and a second transmission arm, the second knob (8) can drive the second transmission arm to rotate by taking the center of the second knob (8) as a circle center, a second slide rail (12) is arranged on the fixing plate (1), the second slide rail (12) is perpendicular to the first slide rail (11), one end of the width positioning block (6) is slidingly arranged on the second slide rail (12), a second slide groove is arranged along the length direction of the width positioning block (6), one end of the second transmission arm far away from the second knob (8) is slidingly arranged on the second slide groove, the second slide groove is perpendicular to the second slide rail (12), and the second knob (8) is rotationally driven to rotate and slide in the second slide groove, so that the width positioning block (6) can move along the length direction of the second slide rail (12).

9. The auxiliary jig for attaching a Mylar tape according to claim 8, wherein the first connecting member (42), the second connecting member (43), the first slide rail (11) and the second slide rail (12) are provided with scales.

10. The auxiliary jig for attaching a Mylar tape according to any one of claims 1 to 9, wherein the suction cup (2) is connected to a vacuum device through a negative pressure pipe, and the fixing plate (1) or the support plate (3) is provided with a suction button (91) for controlling the vacuum device to suck vacuum and a reset button (92) for controlling the vacuum device to stop vacuumizing.