CN216180221U - Display screen unit board dismounting device - Google Patents

Abstract

The utility model relates to the technical field of disassembling tools and discloses a disassembling device for a display screen unit plate. The display screen unit plate dismounting device comprises a base, a limiting plate, a crimping piece and a threaded rod, wherein one side of the base structure body, which is far away from the unit plate, is fixed on the base; the limiting plates are arranged on one side, away from the structural body, of the base at intervals, and are provided with first limiting holes; the crimping piece is movably arranged between the base and the limiting plate and provided with a first threaded hole and a crimping side wall, the crimping side wall is located on the circumferential outer side of the base, and the crimping side wall can abut against the unit plate; the threaded rod includes screw thread portion, and first spacing hole is worn to locate by the threaded rod, screw thread portion threaded connection in first screw hole, screw thread portion one end butt in base, other end butt in the limiting plate. The utility model realizes the separation of the unit plate and the structure body, and in the process of pushing the compression side wall, the compression side wall pushes the unit plate at multiple points simultaneously, so that the unit plate translates relative to the structure body, the unit plate is prevented from overturning, and the local stress is reduced.

Description

Display screen unit board dismounting device

Technical Field

The utility model relates to the technical field of disassembling tools, in particular to a disassembling device for a display screen unit plate.

Background

At present, in the production and processing, the cell board of LED display screen adopts the mode of bonding fixed with the structure, when dismantling the maintenance, adopts the manual cell board of dismantling usually, for example:

the method A comprises the following steps: the unit plates are tilted point by point from the side surface by using a simple tool to be separated from the structure body, but the tilted side surface of the unit plate is easy to collide with and generate gap damage;

the method B comprises the following steps: the structure body is provided with a plurality of through holes, and the unit plates are pushed forwards point by point from the through holes of the structure body to be separated from the structure body, but in the mode, the unit plates only bear the thrust force locally at a single point, and the thrust force is too large, so that components or PCB circuits on the unit plates are easily damaged.

Moreover, when the mode is adopted, the displacement of the unit plates in the dismounting process is not parallel, namely, only a single point or a single side is separated from the structural body firstly, other sides are turned over and displaced, the unit plates are easy to extrude and scratch, LED lamp beads or components and the like are damaged, and the maintenance cost and the efficiency of the unit plates are seriously influenced.

Therefore, a display panel unit board dismounting device is needed to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a display screen unit plate dismounting device, which realizes that the unit plates are pushed at the same time by pressing side walls at multiple points, so that the unit plates are translated relative to a structural body, the unit plates are prevented from being overturned, local stress is reduced, and the unit plates are prevented from being damaged.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a display screen unit plate dismounting device is used for dismounting a unit plate on a structure body, the unit plate is installed on one side of the structure body, and the display screen unit plate dismounting device comprises:

the side, departing from the unit plate, of the structure body is fixed on the base;

the limiting plates are arranged on one side, away from the structural body, of the base at intervals, and are provided with first limiting holes;

the crimping piece is movably arranged between the base and the limiting plate and provided with a first threaded hole and a crimping side wall, the crimping side wall is located on the circumferential outer side of the base, and the crimping side wall can abut against the unit plate;

the threaded rod comprises a threaded portion, the threaded rod penetrates through the first limiting hole, the threaded portion is in threaded connection with the first threaded hole, one end of the threaded portion is abutted to the base, and the other end of the threaded portion is abutted to the limiting plate.

As an optimal technical scheme of display screen cell board dismounting device, still include the guide post, set up in the base with between the limiting plate, guide post one end is fixed in the base, the other end is fixed in the limiting plate.

As an optimal technical scheme of a display screen unit plate dismounting device, the guide posts are multiple, the crimping piece is provided with a plurality of guide holes, the guide posts and the guide holes are in one-to-one correspondence in position, and the guide posts penetrate through the guide holes in a sliding mode.

As a preferred technical scheme of display screen cell board dismounting device, the crimping piece includes screw thread piece and crimping board, first screw hole set up in on the screw thread piece, the screw thread piece is fixed in crimping board one side, be provided with on the crimping board with the spacing hole of second that first screw hole position corresponds, the crimping lateral wall set up in the circumference of crimping board.

As a preferred technical scheme of display screen cell board dismounting device, the base is provided with the spacing hole of third, the threaded rod has set gradually first pole portion along length direction screw thread portion and second pole portion, first pole portion with the external diameter of second pole portion all is less than the external diameter of screw thread portion, first pole portion is worn to locate first spacing hole, second pole portion stretch into in the spacing hole of third.

As an optimal technical scheme of display screen cell board dismounting device, still include the handle, the threaded rod is kept away from protruding locating of base one end the limiting plate, the handle install in protruding locating of threaded rod the one end of limiting plate.

As a preferred technical scheme of display screen cell board dismounting device, the threaded rod is kept away from base one end with one of the two one end of handle is provided with the installation muscle, and another is provided with the mounting groove, the installation muscle with the mounting groove all is provided with the fixed orifices, the installation muscle stretch into in the mounting groove, the bolt is worn to locate the mounting groove with the fixed orifices of installation muscle is locked through the nut.

As an optimal technical scheme of the display screen unit plate dismounting device, the limiting plate deviates from a rotary mark is arranged on the side wall of the base, and the rotary mark is used for marking the moving direction of the crimping piece corresponding to the rotating direction of the threaded rod.

As an optimal technical scheme of display screen cell board dismounting device, the structure inner wall is provided with the strengthening rib, the crimping lateral wall be provided with the hole of dodging that the strengthening rib position corresponds.

As an optimal technical scheme of the display screen unit plate dismounting device, the outer wall of the compression joint side wall is provided with a step, a flexible piece is mounted on the step, and the end face of the compression joint side wall is covered with the flexible piece.

The utility model has the beneficial effects that:

when the screw rod fixing device is used, one side of the structural body, which deviates from the unit plate, is fixed on the base, and an operator drives the screw rod to stretch out of one end of the limiting plate, so that the screw rod rotates. One end of a thread part of the threaded rod is abutted to the base, and the other end of the thread part of the threaded rod is abutted to the limiting plate, so that when the threaded rod rotates, the threaded rod only rotates relative to the base and the limiting plate, and the threaded rod, the base and the limiting plate do not move relatively along the axial direction of the threaded rod; because the thread part of the threaded rod is in threaded connection with the first threaded hole of the crimping piece, when the threaded rod rotates, the crimping piece can generate displacement along the axis direction of the threaded rod relative to the threaded rod, so that the crimping piece can be driven to move towards the direction close to the unit plate, the crimping side wall of the crimping piece is enabled to abut against the unit plate, the end face of the crimping side wall pushes the unit plate to move towards the direction far away from the structure body, and the separation of the unit plate and the structure body is realized. The in-process that the crimping lateral wall promoted, crimping lateral wall multiple spot promotes the cell board simultaneously, makes the cell board produce the translation to the structure, prevents the cell board upset, reduces local atress, prevents to damage the cell board, has high-efficient, convenient and does not cause the advantage of damage to the cell board, and easy operation saves the cell board dismantlement time, alleviates operating personnel work burden.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a display panel unit panel dismounting device according to an embodiment of the present invention;

fig. 2 is an exploded view of a structure of a display panel unit panel detaching device according to an embodiment of the present invention;

FIG. 3 is a diagram showing a state where a press-contact member of the display screen unit plate detaching device according to the embodiment of the present invention is not abutted against a unit plate;

fig. 4 is a state diagram of the pressing member abutting against the unit plate of the display screen unit plate detaching device according to the embodiment of the present invention.

The figures are labeled as follows:

10. a structure body; 101. reinforcing ribs; 102. fixing the boss; 1021. a fourth threaded hole; 103. a third screw; 20. a unit plate;

1. a base; 11. A third limiting hole;

2. a limiting plate; 21. A first limit hole; 22. Rotating the mark;

3. a crimping member; 31. a thread block; 311. a first threaded hole; 312. a third threaded hole; 32. a pressure welding plate; 321. crimping the side wall; 3211. avoiding holes; 3212. a step; 322. a second limiting hole; 323. a guide hole; 33. a second screw;

4. a threaded rod; 41. a threaded portion; 42. a first rod portion; 421. installing ribs; 43. a second rod portion;

5. a guide post; 51. a second threaded hole; 52. a first screw;

6. a handle; 61. mounting grooves; 62. a bolt; 63. and a nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and 2, the present embodiment provides a display screen unit plate detaching device for detaching a unit plate 20 on a structural body 10, where the structural body 10 is a frame, and the display screen unit plate detaching device includes a base 1, a limit plate 2, a crimping piece 3, and a threaded rod 4.

Specifically, the unit panel 20 is installed at one side of the structure body 10; the side of the structural body 10, which is far away from the unit plate 20, is fixed on the base 1; the limiting plates 2 are arranged on one side, away from the structural body 10, of the base 1 at intervals, and the limiting plates 2 are provided with first limiting holes 21; the crimping piece 3 is movably arranged between the base 1 and the limiting plate 2, the crimping piece 3 is provided with a first threaded hole 311 and a crimping side wall 321, the crimping side wall 321 is located on the circumferential outer side of the base 1, and the crimping side wall 321 can abut against the unit plate 20; the threaded rod 4 includes a threaded portion 41, the threaded rod 4 penetrates through the first limiting hole 21, the threaded portion 41 is in threaded connection with the first threaded hole 311, one end of the threaded portion 41 abuts against the base 1, and the other end of the threaded portion 41 abuts against the limiting plate 2.

When the structure is used, as shown in fig. 1, 3 and 4, the side of the structure 10 departing from the cell plate 20 is fixed on the base 1, and an operator drives the threaded rod 4 to extend out of one end of the limiting plate 2, so that the threaded rod 4 rotates. Because one end of the thread part 41 of the threaded rod 4 is abutted to the base 1 and the other end is abutted to the limit plate 2, when the threaded rod 4 rotates, the threaded rod 4 only rotates relative to the base 1 and the limit plate 2, and the three do not generate relative motion along the axial direction of the threaded rod 4; since the thread portion 41 of the threaded rod 4 is screwed into the first threaded hole 311 of the compression joint 3, when the threaded rod 4 rotates, the compression joint 3 can displace relative to the threaded rod 4 along the axial direction of the threaded rod 4, so that the compression joint 3 can be driven to move towards the unit plate 20, the compression side wall 321 of the compression joint 3 is abutted against the unit plate 20, the end surface of the compression side wall 321 pushes the unit plate 20 to move away from the structure 10, and the separation of the unit plate 20 and the structure 10 is realized. In-process that crimping lateral wall 321 promoted, crimping lateral wall 321 multiple spot promotes cell board 20 simultaneously, makes cell board 20 produce the translation relative to structure 10, prevents that cell board 20 from overturning, reduces local atress, prevents to damage cell board 20, has realized the high efficiency, and convenient and do not cause the advantage of damage to cell board 20, easy operation saves cell board 20 dismantlement time, alleviates operating personnel work burden.

Preferably, as shown in fig. 2, the base 1 is provided with a third limiting hole 11, the threaded rod 4 is sequentially provided with a first rod portion 42, a threaded portion 41 and a second rod portion 43 along the length direction, the outer diameters of the first rod portion 42 and the second rod portion 43 are smaller than the outer diameter of the threaded portion 41, the first rod portion 42 penetrates through the first limiting hole 21, and the second rod portion 43 extends into the third limiting hole 11. Specifically, since the outer diameters of the first rod portion 42 and the second rod portion 43 are smaller than the outer diameter of the threaded portion 41, the first rod portion 42 can penetrate through the first limiting hole 21, the engagement portion of the first rod portion 42 and the threaded portion 41 abuts against the side wall of the limiting plate 2, the second rod portion 43 can extend into the third limiting hole 11, the engagement portion of the second rod portion 43 and the threaded portion 41 abuts against the side wall of the base 1, and the threaded portion 41 is fixed. Secondly, first spacing hole 21 and third spacing hole 11 act on threaded rod 4 jointly, prevent that threaded rod 4 from rocking, have improved threaded rod 4 pivoted stationarity.

Preferably, this display screen cell board dismounting device still includes guide post 5, sets up between base 1 and limiting plate 2, and 5 one end of guide post are fixed in base 1, and the other end is fixed in limiting plate 2. Specifically, the both ends of guide post 5 all are provided with second screw hole 51 along the axial, are provided with first through-hole on base 1 and the limiting plate 2, during the equipment, and guide post 5 installs between base 1 and limiting plate 2, and first screw 52 wears to locate first through-hole and threaded connection in second screw hole 51 to realize that 5 one end of guide post is fixed in base 1, and the other end is fixed in limiting plate 2, has made to form two planes parallel and apart from fixed between limiting plate 2 and the base 1.

More preferably, the number of the guide posts 5 is plural, the pressure contact member 3 is provided with a plurality of guide holes 323, the positions of the plurality of guide posts 5 and the plurality of guide holes 323 correspond one-to-one, and the guide posts 5 are slidably inserted through the guide holes 323. In the embodiment, the number of the guide posts 5 and the guide holes 323 is four, on one hand, when the crimping piece 3 moves relative to the threaded rod 4, the guide is provided for the crimping piece 3, and the moving stability of the crimping piece 3 is improved; on the other hand, when the threaded rod 4 is rotated, the guide post 5 prevents the crimp member 3 from rotating with the threaded rod 4 and moving in the axial direction of the threaded rod 4.

Preferably, the crimping member 3 includes a screw block 31 and a crimping plate 32, the first screw hole 311 is provided on the screw block 31, the screw block 31 is fixed on one side of the crimping plate 32, the second limiting hole 322 corresponding to the first screw hole 311 is provided on the crimping plate 32, and the crimping side wall 321 is provided in the circumferential direction of the crimping plate 32. In this embodiment, the screw block 31 is cylindrical, the first threaded hole 311 is disposed on the axis of the screw block 31, the third threaded hole 312 is disposed on the screw block 31, the crimping plate 32 is provided with a second through hole, and the second screw 33 is inserted into the second through hole and is threaded into the third threaded hole 312, so that the screw block 31 is mounted on the crimping plate 32. In other embodiments, the crimping plate 32 and the screw block 31 may be integrally formed.

Preferably, this display screen cell board dismounting device still includes handle 6, and threaded rod 4 keeps away from 1 one end of base and convexly locates limiting plate 2, and handle 6 is installed in the protruding one end of locating limiting plate 2 of threaded rod 4. The operating personnel can directly rotate the threaded rod 4 manually through the handle 6 without the assistance of other tools, and the operation convenience is improved. Specifically, one of the two one end of base 1 one end and handle 6 is kept away from to threaded rod 4 is provided with installation muscle 421, and another is provided with mounting groove 61, and installation muscle 421 and mounting groove 61 all are provided with the fixed orifices, and installation muscle 421 stretches into in mounting groove 61, and the fixed orifices of mounting groove 61 and installation muscle 421 is worn to locate by bolt 62 and is locked through nut 63. In this embodiment, the mounting rib 421 is provided at the end of the threaded rod 4, and the mounting groove 61 is provided at the end of the handle 6. When loosening nut 63, handle 6 can rotate relative to the tip of threaded rod 4, adjusts the relative threaded rod 4's of handle 6 angle to adapt to operating personnel operation, improve and use experience. When the handle 6 is adjusted to a preset position, the nut 63 is tightened to achieve a fixed connection between the handle 6 and the threaded rod 4.

As shown in fig. 1 and 2, since the inner wall of the structure 10 is usually provided with the rib 101, it is preferable that the pressure contact side wall 321 is provided with the relief hole 3211 corresponding to the position of the rib 101, so that the pressure contact side wall 321 is prevented from interfering with the rib 101 at the time of pressure contact. In this embodiment, the structural body 10 is further provided with a fixing boss 102, the fixing boss 102 is provided with a fourth threaded hole 1021, the base 1 is provided with a third through hole, and a third screw 103 penetrates through the third through hole and is in threaded connection with the fourth threaded hole 1021, so as to realize fixed connection between the base 1 and the structural body 10.

Preferably, the side wall of the limiting plate 2, which faces away from the base 1, is provided with a rotary mark 22, and the rotary mark 22 is used for marking the moving direction of the crimping piece 3 corresponding to the rotating direction of the threaded rod 4. An operator can recognize the rotating direction of the threaded rod 4 through the rotating mark 22, the pressing piece 3 is driven to be close to or far away from the unit plate 20 quickly, and operation convenience is improved.

Further preferably, the outer wall of the crimping side wall 321 is provided with a step 3212, the step 3212 is provided with a flexible member, and the end face of the crimping side wall 321 is covered with the flexible member. Step 3212 provides the installation position for the flexible member, and the flexible member plays the cushioning effect when crimping lateral wall 321 crimping cell board 20, avoids damaging cell board 20, and the material of flexible member can be flexible material such as rubber.

It should be particularly noted that, this embodiment further provides an assembling step of the display screen unit plate detaching device, which specifically includes the following steps:

the method comprises the following steps: firstly, fixing the thread block 31 on the crimping plate 32 by adopting a second screw 33;

step two: screwing the threaded part 41 of the threaded rod 4 into the first threaded hole 311 of the threaded block 31, so that the joint of the threaded part 41 and the first rod part 42 is flush with the end surface of the threaded block 31 on the side away from the crimping plate 32;

step three: the end parts of the guide posts 5 are respectively installed on the base 1 by adopting first screws 52, then the guide posts 5 are arranged in the guide holes 323 in a penetrating manner, and meanwhile, the second rod part 43 extends into the third limiting hole 11 until the end surface of the thread part 41 abuts against the base 1;

step four: the limiting plate 2 is arranged at one end, far away from the base 1, of the guide post 5 and is fixed through a first screw 52, at the moment, the first rod part 42 penetrates through the first limiting hole 21 of the limiting plate 2, and the joint part of the first rod part 42 and the threaded part 41 is abutted against the limiting plate 2;

step five: and (3) extending the mounting rib 421 on the threaded rod 4 into the mounting groove 61 of the handle 6, and screwing and fixing the mounting rib through the bolt 62 and the nut 63 to complete the assembly of the display screen unit plate dismounting device.

As shown in fig. 1, 3 and 4, the working principle of the display screen unit plate detaching device is as follows: an operator operates the handle 6 to rotate the threaded rod 4, and drives the press-fit member 3 to move along the axial direction of the threaded rod 4. The guide post 5 limits the crimping piece 3 to rotate along with the threaded rod 4, the two ends of the guide post 5 are respectively fixed on the base 1 and the limiting plate 2, two planes which are parallel and fixed in distance are formed in the middle, and the threaded portion 41 of the threaded rod 4 is clamped in the middle, so that the threaded rod 4 can only rotate. When the crimping pieces 3 move to the crimping side walls 321 to be crimped to the unit plates 20, the unit plates 20 are pushed forward uniformly and in parallel as a whole, and separation of the unit plates 20 from the structural body 10 is achieved. This embodiment has high efficiency, convenient and do not cause the advantage of damage to cell board 20, and easy operation saves cell board 20 dismantlement time, alleviates operating personnel work burden.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A display screen unit board dismounting device is used for dismounting a unit board (20) on a structural body (10), wherein the unit board (20) is installed on one side of the structural body (10), and the display screen unit board dismounting device is characterized by comprising:

the structure body (10) is fixed on the base (1) on the side, away from the unit plate (20), of the base (1);

the limiting plates (2) are arranged on one side, away from the structural body (10), of the base (1) at intervals, and the limiting plates (2) are provided with first limiting holes (21);

the compression joint piece (3) is movably arranged between the base (1) and the limiting plate (2), the compression joint piece (3) is provided with a first threaded hole (311) and a compression side wall (321), the compression side wall (321) is located on the circumferential outer side of the base (1), and the compression side wall (321) can abut against the unit plate (20);

threaded rod (4), including screw thread portion (41), threaded rod (4) wear to locate first spacing hole (21), screw thread portion (41) threaded connection in first screw hole (311), screw thread portion (41) one end butt in base (1), the other end butt in limiting plate (2).

2. The display screen unit board dismounting device according to claim 1, further comprising a guiding post (5) disposed between the base (1) and the limiting plate (2), wherein one end of the guiding post (5) is fixed to the base (1), and the other end is fixed to the limiting plate (2).

3. The display screen unit plate dismounting device according to claim 2, wherein the guide posts (5) are plural, the crimping member (3) is provided with a plurality of guide holes (323), the positions of the plurality of guide posts (5) and the plurality of guide holes (323) are in one-to-one correspondence, and the guide posts (5) are slidably arranged through the guide holes (323).

4. The display screen unit plate detaching device according to claim 1, wherein the crimping member (3) includes a screw block (31) and a crimping plate (32), the first screw hole (311) is provided on the screw block (31), the screw block (31) is fixed to a side of the crimping plate (32), a second stopper hole (322) corresponding to a position of the first screw hole (311) is provided on the crimping plate (32), and the crimping side wall (321) is provided in a circumferential direction of the crimping plate (32).

5. The display screen unit plate dismounting device according to claim 1, wherein the base (1) is provided with a third limiting hole (11), the threaded rod (4) is sequentially provided with a first rod portion (42), the threaded portion (41) and a second rod portion (43) along a length direction, outer diameters of the first rod portion (42) and the second rod portion (43) are smaller than that of the threaded portion (41), the first rod portion (42) penetrates through the first limiting hole (21), and the second rod portion (43) extends into the third limiting hole (11).

6. The display screen unit plate dismounting device according to claim 1, further comprising a handle (6), wherein one end of the threaded rod (4) far away from the base (1) is convexly arranged on the limiting plate (2), and the handle (6) is installed at one end of the threaded rod (4) which is convexly arranged on the limiting plate (2).

7. The display screen unit plate dismounting device according to claim 6, wherein one of one end of the threaded rod (4) far away from the base (1) and one end of the handle (6) is provided with a mounting rib (421), the other end of the threaded rod is provided with a mounting groove (61), the mounting rib (421) and the mounting groove (61) are both provided with fixing holes, the mounting rib (421) extends into the mounting groove (61), and a bolt (62) penetrates through the mounting groove (61) and the fixing holes of the mounting rib (421) and is locked by a nut (63).

8. The display screen unit plate dismounting device according to claim 1, wherein a rotary mark (22) is arranged on a side wall of the limiting plate (2) departing from the base (1), and the rotary mark (22) is used for marking a moving direction of the crimping piece (3) corresponding to a rotating direction of the threaded rod (4).

9. The display screen unit plate dismounting device according to claim 1, wherein the inner wall of the structural body (10) is provided with a reinforcing rib (101), and the crimping side wall (321) is provided with an avoiding hole (3211) corresponding to the position of the reinforcing rib (101).

10. The display screen unit plate dismounting device according to claim 1, wherein the outer wall of the crimping side wall (321) is provided with a step (3212), a flexible member is mounted on the step (3212), and the end face of the crimping side wall (321) is covered with the flexible member.

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