CN113547484A

CN113547484A - Display screen unit board dismounting device

Info

Publication number: CN113547484A
Application number: CN202110973577.0A
Authority: CN
Inventors: 李漫铁; 张李根; 屠孟龙; 龚高平
Original assignee: Ledman Optoelectronic Co Ltd
Current assignee: Ledman Optoelectronic Co Ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2021-10-26

Abstract

The invention 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 shell assembly, wherein the shell assembly is provided with a cavity, a driving gear assembly, a driven gear assembly and a plurality of output gear assemblies are arranged in the cavity, the driving gear assembly is in driving connection with the driven gear assembly, and the driven gear assembly is in driving connection with the output gear assemblies; the structure body is provided with a plurality of first threaded holes, the first threaded holes correspond to the positions of second transmission shafts of the output gear assemblies one by one, the second transmission shafts are respectively in threaded connection with the first threaded holes, and the unit plate is provided with a plurality of bosses corresponding to the positions of the first threaded holes; the driving gear assembly can drive the multiple output gear assemblies to synchronously rotate through the driven gear assembly, so that the multiple second transmission shafts synchronously rotate in the multiple first threaded holes, and the second transmission shafts can penetrate through the first threaded holes to abut against the bosses.

Description

Display screen unit board dismounting device

Technical Field

The invention 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.

Disclosure of Invention

Based on the above, the invention aims to provide a display screen unit plate dismounting device, which realizes that the bosses of the unit plates are pushed at multiple points simultaneously, so that the unit plates can translate relative to the structural body, the unit plates are prevented from overturning, local stress is reduced, and the unit plates are prevented from being damaged.

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

a display screen unit plate dismounting device is used for dismounting unit plates on a structural body, and comprises:

the shell assembly is provided with a cavity, a driving gear assembly, a driven gear assembly and a plurality of output gear assemblies are arranged in the cavity, the driving gear assembly is connected with the driven gear assembly in a driving mode, and the driven gear assembly is connected with the output gear assemblies in a driving mode;

the driving gear assembly comprises a first transmission shaft, the first transmission shaft penetrates through the side wall of the shell assembly, the first transmission shaft is convexly arranged at one end of the shell assembly to form an operation part, and the first transmission shaft can drive the driving gear assembly to rotate;

the output gear assembly comprises a second transmission shaft, the second transmission shaft penetrates through the side wall of the shell assembly, and an external thread is arranged at one end, protruding from the shell assembly, of the second transmission shaft;

the structure body is provided with a plurality of first threaded holes, the first threaded holes correspond to the positions of the second transmission shafts of the output gear assemblies one by one, the second transmission shafts are respectively in threaded connection with the first threaded holes, and the unit plate is provided with a plurality of bosses corresponding to the positions of the first threaded holes;

the driving gear assembly can drive the output gear assemblies to synchronously rotate through the driven gear assembly, so that the second transmission shafts synchronously rotate in the first threaded holes, and the second transmission shafts can penetrate through the first threaded holes to abut against the bosses.

As a preferred technical scheme of a display screen unit plate dismounting device, the driving gear assembly comprises a driving gear, and the driving gear is fixed on the first transmission shaft;

the driven gear assembly comprises a driven gear, and the driven gear is meshed with the driving gear;

the output gear assembly comprises an output gear, the output gear is meshed with the driven gear, and the output gear is fixed on the second transmission shaft.

As an optimal technical scheme of display screen cell board dismounting device, the driving gear subassembly still includes two first bearings, the driving gear is provided with first through-hole along the axis direction, the driving gear includes first profile of tooth section and first locking section along the axis direction, the outer wall of first locking section is provided with the second screw hole of perpendicular to axis, be provided with first spacing plane on the first transmission shaft, first transmission shaft wears to locate one in proper order first bearing first through-hole and another first bearing, first screw thread connect in the second screw hole, and the tip butt in first spacing plane.

As a preferred technical scheme of display screen cell board dismounting device, driven gear assembly still includes fixed axle and second bearing, driven gear is provided with the second through-hole along the axis direction, driven gear includes second profile of tooth section and second locking section along the axis direction, the outer wall of second locking section is provided with the third screw hole of perpendicular to axis, the fixed axle is worn to locate the second through-hole, the second bearing set up in the fixed axle with between the inner wall of second through-hole, second screw thread connect in the third screw hole, and the tip butt in the second bearing.

As a preferred technical scheme of a display screen unit plate dismounting device, the driven gear assemblies are in multiple groups, and the driven gears of the adjacent driven gear assemblies are in meshed connection; the output gear is meshed and connected with the driven gear with the same rotation direction.

As an optimal technical scheme of a display screen unit plate dismounting device, the output gear assembly further comprises two third bearings, the output gear is provided with a third through hole along the axis direction, the output gear comprises a third tooth-shaped section and a third locking section along the axis direction, the outer wall of the third locking section is provided with a fourth threaded hole perpendicular to the axis, a second limiting plane is arranged on the second transmission shaft, the second transmission shaft sequentially penetrates through the third bearings, the third through hole and the other third bearing, a third screw is in threaded connection with the fourth threaded hole, and the end portion of the third screw abuts against the second limiting plane.

The display screen unit plate dismounting device further comprises a knob, wherein the knob is mounted on the operation portion and used for assisting in driving the first transmission shaft to rotate.

As an optimal technical scheme of a display screen cell board dismounting device, the operation portion is provided with a thread section, the knob is provided with a fifth thread hole, the operation portion is further provided with a limiting section, the side wall of the fifth thread hole is provided with a sixth thread hole perpendicular to the axis, a fourth screw is in threaded connection with the sixth thread hole, and the end portion of the fourth screw abuts against the limiting section.

As a preferred technical scheme of the display screen unit plate dismounting device, the housing assembly comprises an upper cover and a base, the upper cover is detachably connected with the base, the upper cover is provided with a first limiting hole, and the first transmission shaft penetrates through the first limiting hole; the base is provided with a plurality of second spacing holes, and is a plurality of the second transmission shaft is arranged in the second spacing holes in a penetrating mode.

As an optimal technical scheme of the display screen unit plate dismounting device, a rotary mark is arranged on the outer wall of the upper cover and used for marking the moving direction of the second transmission shaft relative to the first threaded hole, which corresponds to the rotating direction of the first transmission shaft.

The invention has the beneficial effects that:

during the use, with the first screw hole on the alignment structure body of second transmission shaft, operating personnel rotates the operation portion of first transmission shaft, make the driving gear subassembly rotate, driving gear subassembly drive driven gear subassembly rotates, driven gear subassembly drive output gear subassembly rotates, so that the second transmission shaft synchronous revolution of a plurality of output gear subassemblies, the second transmission shaft twists soon in first screw hole, along with the increase of the wrong degree of depth of twisting of second transmission shaft, first screw hole butt in boss is worn to establish by the second transmission shaft, a plurality of second transmission shafts butt boss simultaneously, promote the unit board and remove to the direction of keeping away from the structure body, the separation of unit board and structure body has been realized. The second transmission shaft pushes the bosses of the unit plates at multiple points simultaneously, so that the unit plates can translate relative to the structural body, the unit plates are prevented from being overturned, local stress is reduced, the unit plates are prevented from being damaged, the device has the advantages of being efficient, convenient and fast, and not damaging the unit plates, the operation is simple, the unit plate dismounting time is saved, and the workload of operators is reduced.

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 a schematic structural view of a structure and a cell plate according to an embodiment of the present invention after being removed;

fig. 3 is an exploded view of a structure of a display panel unit panel detaching device according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a structure provided in accordance with an embodiment of the present invention, without separation from a cell plate;

FIG. 5 is a sectional view of the display panel unit panel detaching apparatus according to the embodiment of the present invention, when the driving structure is separated from the unit panel;

FIG. 6 is a schematic structural view of a pinion assembly provided in accordance with an embodiment of the present invention;

FIG. 7 is an exploded view of the construction of the pinion assembly provided by an embodiment of the present invention;

FIG. 8 is a schematic structural view of a driven gear assembly provided in accordance with an embodiment of the present invention;

FIG. 9 is an exploded view of the driven gear assembly configuration provided by an embodiment of the present invention;

FIG. 10 is a schematic structural view of an output gear assembly provided in accordance with an embodiment of the present invention;

fig. 11 is an exploded view of the output gear assembly configuration provided by an embodiment of the present invention.

The figures are labeled as follows:

10. a structure body; 101. a first threaded hole; 20. a unit plate; 201. a boss;

1. a housing assembly; 11. an upper cover; 111. a first limit hole; 112. rotating the mark; 113. a first bearing cavity; 114. a first mounting groove; 115. a third bearing cavity; 12. a base; 121. a second limiting hole;

2. a drive gear assembly; 21. a first drive shaft; 211. a first limit plane; 212. a threaded segment; 213. a limiting section; 214. a first screw; 22. a driving gear; 221. a first tooth-shaped section; 222. a first locking section; 23. a first bearing;

3. a driven gear assembly; 31. a driven gear; 311. a second toothed segment; 312. a second locking section; 32. a fixed shaft; 33. a second bearing; 34. a second screw;

4. an output gear assembly; 41. an output gear; 411. a third tooth form segment; 412. a third locking section; 42. a second drive shaft; 421. a second limit plane; 43. a third bearing; 45. a third screw;

5. a knob; 51. screwing sections; 52. a fourth locking section; 53. and a fourth screw.

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 invention and are not limiting of the invention. 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 to 11, the present embodiment provides a display screen unit plate detaching device, which is used for detaching a unit plate 20 on a structure 10, and includes a housing assembly 1, a driving gear assembly 2, a driven gear assembly 3, and an output gear assembly 4.

Specifically, as shown in fig. 1-3, the housing assembly 1 is provided with a cavity, a driving gear assembly 2, a driven gear assembly 3 and a plurality of output gear assemblies 4 are arranged in the cavity, the driving gear assembly 2 is connected to the driven gear assembly 3 in a driving manner, and the driven gear assembly 3 is connected to the output gear assemblies 4 in a driving manner; the driving gear assembly 2 comprises a first transmission shaft 21, the first transmission shaft 21 penetrates through the side wall of the shell assembly 1, the first transmission shaft 21 is convexly arranged at one end of the shell assembly 1 to form an operation part, and the first transmission shaft 21 can drive the driving gear assembly 2 to rotate; the output gear assembly 4 comprises a second transmission shaft 42, the second transmission shaft 42 penetrates through the side wall of the shell assembly 1, and an external thread is arranged at one end, protruding from the shell assembly 1, of the second transmission shaft 42; the structure body 10 is provided with a plurality of first threaded holes 101, the plurality of first threaded holes 101 correspond to the positions of the second transmission shafts 42 of the plurality of output gear assemblies 4 one by one, the plurality of second transmission shafts 42 are respectively in threaded connection with the first threaded holes 101, and the unit plate 20 is provided with a plurality of bosses 201 corresponding to the positions of the first threaded holes 101; the driving gear assembly 2 can drive the plurality of output gear assemblies 4 to synchronously rotate through the driven gear assembly 3, so that the plurality of second transmission shafts 42 synchronously rotate in the plurality of first threaded holes 101, and the second transmission shafts 42 can penetrate through the first threaded holes 101 to abut against the bosses 201.

It should be noted that, the housing assembly 1 includes an upper cover 11 and a base 12, the upper cover 11 and the base 12 are detachably connected, the upper cover 11 is provided with a first limiting hole 111, and the first transmission shaft 21 penetrates through the first limiting hole 111; the base 12 is provided with a plurality of second limiting holes 121, and the plurality of second transmission shafts 42 penetrate through the second limiting holes 121. In this embodiment, the upper cover 11 and the base 12 are connected by screws. In other embodiments, the upper cover 11 and the base 12 may be fixed by clipping or bonding.

When the structure is used, as shown in fig. 4 and 5, the second transmission shaft 42 is aligned with the first threaded hole 101 on the structure 10, an operator rotates the operating portion of the first transmission shaft 21 to rotate the driving gear assembly 2, the driving gear assembly 2 drives the driven gear assembly 3 to rotate, the driven gear assembly 3 drives the output gear assemblies 4 to rotate, so that the second transmission shafts 42 of the plurality of output gear assemblies 4 rotate synchronously, the second transmission shafts 42 are screwed into the first threaded holes 101, the second transmission shafts 42 penetrate through the first threaded holes 101 to abut against the bosses 201 as the screwing depth of the second transmission shafts 42 increases, the plurality of second transmission shafts 42 abut against the bosses 201 at the same time, the unit plates 20 are prevented from being scratched, the unit plates 20 are pushed to move in a direction away from the structure 10, and the separation of the unit plates 20 and the structure 10 is achieved. The second transmission shaft 42 pushes the bosses 201 of the unit plates 20 at multiple points simultaneously, so that the unit plates 20 are translated relative to the structural body 10, the unit plates 20 are prevented from being overturned, local stress is reduced, the unit plates 20 are prevented from being damaged, the device has the advantages of being efficient, convenient and fast, and not damaging the unit plates 20, the operation is simple, the disassembly time of the unit plates 20 is saved, and the workload of operators is reduced.

Further, as shown in fig. 6 and 7, the driving gear assembly 2 includes a driving gear 22, the driving gear 22 is fixed on a first transmission shaft 21, and the first transmission shaft 21 is rotatably mounted to the housing assembly 1; the driven gear assembly 3 comprises a driven gear 31, the driven gear 31 is meshed with the driving gear 22, and the driving gear assembly 2 is connected with the driven gear assembly 3 in a driving mode; output gear assembly 4 includes output gear 41, and output gear 41 meshing is connected to driven gear 31, and output gear 41 is fixed in second transmission shaft 42, and second transmission shaft 42 rotatable mounting has realized driven gear assembly 3 drive connection in output gear assembly 4 in housing assembly 1. It should be noted that the modules and gear ratios of the driving gear 22, the driven gear 31 and the output gear 41 are not limited, and can be adaptively selected and determined according to actual production requirements.

Further specifically, the driving gear assembly 2 further includes two first bearings 23, the driving gear 22 is provided with a first through hole along the axis direction, the driving gear 22 includes a first tooth-shaped section 221 and a first locking section 222 along the axis direction, the first tooth-shaped section 221 is larger than the outer diameter of the first locking section 222, the outer wall of the first locking section 222 is provided with a second threaded hole perpendicular to the axis, the first transmission shaft 21 is provided with a first limiting plane 211, and the first transmission shaft 21 sequentially penetrates through one first bearing 23, the first through hole and the other first bearing 23. The first screw 214 is in threaded connection with the second threaded hole, and an end of the first screw 214 abuts against the first limiting plane 211, on one hand, the first screw 214 is used for realizing fixed connection between the first transmission shaft 21 and the driving gear 22, and the first transmission shaft 21 can drive the driving gear 22 to rotate; on the other hand, the side wall of the first stopper plane 211 is engaged with the first screw 214, and can restrict the movement of the drive gear 22 in the axial direction with respect to the first transmission shaft 21. Further preferably, the number of the first limiting planes 211, the number of the second threaded holes and the number of the first screws 214 are two, and the first limiting planes, the second threaded holes and the first screws are symmetrically arranged along the central axis of the driving gear 22, so that structural stability is improved.

It should be noted that, the inner wall of the upper cover 11 is provided with a first bearing cavity 113, the first limiting hole 111 is located at the bottom of the first bearing cavity 113, and the inner wall of the base 12 is provided with a second bearing cavity, during assembly, the two first bearings 23 are respectively installed in the first bearing cavity 113 and the second bearing cavity, so that on one hand, the driving gear assembly 2 is fixed, on the other hand, the first transmission shaft 21 can rotate relative to the housing assembly 1, and the rotational stability is improved. In this embodiment, the first bearing 23 is a standard oilless bearing.

Further, as shown in fig. 8 and 9, the driven gear assembly 3 further includes a fixing shaft 32 and a second bearing 33, the driven gear 31 is provided with a second through hole along the axial direction, the driven gear 31 includes a second toothed section 311 and a second locking section 312 along the axial direction, the second toothed section 311 is larger than the outer diameter of the second locking section 312, the outer wall of the second locking section 312 is provided with a third threaded hole perpendicular to the axial line, the fixing shaft 32 is inserted into the second through hole, and the second bearing 33 is disposed between the fixing shaft 32 and the inner wall of the second through hole. The second screw 34 is screwed into the third screw hole, and an end portion thereof abuts against the second bearing 33, so that the driven gear 31 and the second bearing 33 are fixedly connected, and the second bearing 33 enables the driven gear 31 to rotate relative to the fixed shaft 32. It should be noted that the upper cover 11 is provided with a first mounting groove 114, the base 12 is provided with a second mounting groove, one end of the fixing shaft 32 extends into the first mounting groove 114, and the other end is fixed in the second mounting groove, so that the driven gear assembly 3 is fixed in the cavity of the housing assembly 1. In this embodiment, the second bearing 33 is a standard oilless bearing. Further preferably, the third screw holes and the second screws 34 are two sets and symmetrically arranged along the central axis of the driven gear 31, so that the structural stability is improved.

Preferably, the driven gear assemblies 3 are in multiple groups, and the driven gears 31 of adjacent driven gear assemblies 3 are in meshed connection; the output gear 41 is engaged with the driven gear 31 having the same rotation direction, and the interval between the plurality of output gear assemblies 4 is increased, so that the second transmission shafts 42 are uniformly distributed above the unit plate 20, and the unit plate 20 is uniformly stressed. In this embodiment, the driven gear assemblies 3 are six groups, the output gear assemblies 4 are four groups, the six groups of driven gear assemblies 3 are symmetrically arranged on two sides of the driving gear assembly 2, and are located on one side of the driving gear assembly 2 and are sequentially a first group, a second group and a third group of driven gear assemblies 3 from inside to outside, wherein the first group and the third group of driven gear assemblies 3 are respectively in driving connection with the two groups of output gear assemblies 4 so as to realize that the rotation directions of the plurality of output gear assemblies 4 are the same. Of course, in other embodiments, the number and position of the sets of the driven gear assembly 3 and the output gear assembly 4 can be adaptively adjusted according to actual production requirements, and need not be particularly limited.

Further, as shown in fig. 10 and 11, the output gear assembly 4 further includes two third bearings 43, the output gear 41 is provided with a third through hole along the axial direction, the output gear 41 includes a third tooth-shaped section 411 and a third locking section 412 along the axial direction, an outer wall of the third locking section 412 is provided with a fourth threaded hole perpendicular to the axial direction, the second transmission shaft 42 is provided with a second limiting plane 421, and the second transmission shaft 42 sequentially penetrates through one third bearing 43, the third through hole and the other third bearing 43. The third screw 45 is in threaded connection with the fourth threaded hole, and an end of the third screw 45 abuts against the second limiting plane 421, on one hand, the third screw 45 is used for fixedly connecting the second transmission shaft 42 with the output gear 41, and when the output gear 41 rotates, the second transmission shaft 42 can be driven to rotate; on the other hand, the side wall of the second stopper plane 421 is engaged with the third screw 45, and can restrict the movement of the output gear 41 in the axial direction with respect to the second transmission shaft 42. Further preferably, the number of the second limiting planes 421, the number of the fourth threaded holes and the number of the third screws 45 are two, and the second limiting planes, the fourth threaded holes and the third screws are symmetrically arranged along the central axis of the output gear 41, so that the structural stability is improved.

It should be noted that the inner wall of the upper cover 11 is provided with a third bearing cavity 115, the inner wall of the base 12 is provided with a fourth bearing cavity, the second limiting hole 121 is located at the bottom of the fourth bearing cavity, and during assembly, the two third bearings 43 are respectively installed in the third bearing cavity 115 and the fourth bearing cavity, so that on one hand, the output gear assembly 4 is fixed, on the other hand, the second transmission shaft 42 can rotate relative to the housing assembly 1, and the rotation stability is improved. In this embodiment, the third bearing 43 is a standard oilless bearing.

Preferably, as shown in fig. 1-3, the display screen unit plate detaching device further includes a knob 5, and the knob 5 is mounted on the operating portion and is used for assisting to drive the first transmission shaft 21 to rotate. An operator can directly rotate the first transmission shaft 21 manually through the knob 5 without the assistance of other tools, and the operation convenience is improved. Specifically, the operation portion is provided with a threaded section 212, the knob 5 is provided with a fifth threaded hole, the operation portion is further provided with a limiting section 213, a sixth threaded hole perpendicular to the axis is formed in the side wall of the fifth threaded hole, the fourth screw 53 is in threaded connection with the sixth threaded hole, and the end portion of the fourth screw abuts against the limiting section 213. In this embodiment, the limiting section 213 is located between the threaded sections 212, the outer diameter of the limiting section 213 is smaller than the outer diameter of the threaded sections 212, and when the fourth screw 53 is screwed into the sixth threaded hole, the end of the fourth screw 53 abuts against the sidewall of the limiting section 213, so as to lock and fix the knob 5 and the first transmission shaft 21. In this embodiment, the knob 5 includes a fourth locking section 52 and a screwing section 51 along the axial direction, the sixth threaded hole is located on the third locking section 412, and the outer diameter of the screwing section 51 is larger than that of the fourth locking section 52, so that the operator can drive the rotation conveniently. The shape of the screw segment 51 is not limited to this shape for the convenience of operation. Further preferably, sixth screw hole and fourth screw 53 are two, and set up along the axis symmetry of knob 5, improve the structural stability.

Preferably, a rotary mark 112 is disposed on an outer wall of the upper cover 11, and the rotary mark 112 is used for marking a moving direction of the second transmission shaft 42 relative to the first threaded hole 101 corresponding to a rotating direction of the first transmission shaft 21. An operator can recognize the rotating direction of the first transmission shaft 21 through the rotary identifier 112, so that the moving direction of the second transmission shaft 42 relative to the first threaded hole 101 can be recognized quickly, and the operation convenience is improved.

It should be particularly noted that, as shown in fig. 4 and fig. 5, this embodiment further provides an implementation step of the display screen unit panel detaching device, an operator aligns ends of the plurality of second transmission shafts 42, which are provided with external threads, with the plurality of first threaded holes 101 on the structural body 10, the operator drives the knob 5 according to the rotation identifier 112, drives the first transmission shaft 21 to rotate through the knob 5, the first transmission shaft 21 drives the driving gear 22, the driven gear 31, the output gear 41, and the second transmission shaft 42 to rotate, so as to increase a screwing depth of the second transmission shaft 42 along the first threaded hole 101, the second transmission shaft 42 penetrates through the first threaded hole 101 and abuts against the boss 201, the plurality of second transmission shafts 42 simultaneously abut against the boss 201, and pushes the unit panel 20 to move in a direction away from the structural body 10, so as to separate the unit panel 20 from the structural body 10; the knob 5 is then driven in reverse to reset the second transmission shaft 42, and the structure 10 is detached from the panel dismounting device. The second transmission shaft 42 pushes the bosses 201 of the unit plates 20 at multiple points simultaneously, so that the unit plates 20 are translated relative to the structural body 10, the unit plates 20 are prevented from being overturned, local stress is reduced, the unit plates 20 are prevented from being damaged, the device has the advantages of being efficient, convenient and fast, and not damaging the unit plates 20, the operation is simple, the disassembly time of the unit plates 20 is saved, and the workload of operators is reduced.

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 invention. 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

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

the gear box comprises a shell assembly (1) provided with a cavity, wherein a driving gear assembly (2), a driven gear assembly (3) and a plurality of output gear assemblies (4) are arranged in the cavity, the driving gear assembly (2) is in driving connection with the driven gear assembly (3), and the driven gear assembly (3) is in driving connection with the output gear assemblies (4);

the driving gear assembly (2) comprises a first transmission shaft (21), the first transmission shaft (21) penetrates through the side wall of the shell assembly (1), the first transmission shaft (21) is convexly arranged at one end of the shell assembly (1) to form an operation part, and the first transmission shaft (21) can drive the driving gear assembly (2) to rotate;

the output gear assembly (4) comprises a second transmission shaft (42), the second transmission shaft (42) penetrates through the side wall of the shell assembly (1), and an external thread is arranged at one end, protruding from the shell assembly (1), of the second transmission shaft (42);

a plurality of first threaded holes (101) are formed in the structural body (10), the first threaded holes (101) correspond to the second transmission shafts (42) of the output gear assemblies (4) in position one by one, the second transmission shafts (42) are respectively in threaded connection with the first threaded holes (101), and a plurality of bosses (201) corresponding to the first threaded holes (101) are arranged on the unit plate (20);

the driving gear assembly (2) can drive the output gear assemblies (4) to synchronously rotate through the driven gear assemblies (3), so that the second transmission shafts (42) synchronously rotate in the first threaded holes (101), and the second transmission shafts (42) can penetrate through the first threaded holes (101) and abut against the bosses (201).

2. The display screen unit plate removing device according to claim 1, wherein the driving gear assembly (2) comprises a driving gear (22), the driving gear (22) is fixed on the first transmission shaft (21);

the driven gear assembly (3) comprises a driven gear (31), and the driven gear (31) is in meshed connection with the driving gear (22);

the output gear assembly (4) comprises an output gear (41), the output gear (41) is connected to the driven gear (31) in a meshed mode, and the output gear (41) is fixed on the second transmission shaft (42).

3. The display screen unit plate dismounting device according to claim 2, wherein the driving gear assembly (2) further comprises two first bearings (23), the driving gear (22) is provided with a first through hole along an axial direction, the driving gear (22) comprises a first tooth-shaped section (221) and a first locking section (222) along the axial direction, an outer wall of the first locking section (222) is provided with a second threaded hole perpendicular to the axial direction, a first limiting plane (211) is arranged on the first transmission shaft (21), the first transmission shaft (21) sequentially penetrates through one of the first bearings (23), the first through hole and the other of the first bearings (23), a first screw (214) is in threaded connection with the second threaded hole, and an end portion of the first screw abuts against the first limiting plane (211).

4. The display screen unit plate detaching device according to claim 2, wherein the driven gear assembly (3) further comprises a fixing shaft (32) and a second bearing (33), the driven gear (31) is provided with a second through hole along an axial direction, the driven gear (31) comprises a second toothed section (311) and a second locking section (312) along the axial direction, an outer wall of the second locking section (312) is provided with a third threaded hole perpendicular to the axial direction, the fixing shaft (32) penetrates through the second through hole, the second bearing (33) is arranged between the fixing shaft (32) and an inner wall of the second through hole, a second screw (34) is in threaded connection with the third threaded hole, and an end portion of the second screw abuts against the second bearing (33).

5. The display screen unit plate dismounting device according to claim 2, wherein the driven gear assemblies (3) are in multiple groups, and the driven gears (31) of adjacent driven gear assemblies (3) are in meshed connection; the output gear (41) is engaged with the driven gear (31) with the same rotation direction.

6. The display screen unit plate dismounting device according to claim 2, wherein the output gear assembly (4) further comprises two third bearings (43), the output gear (41) is provided with a third through hole along the axial direction, the output gear (41) comprises a third tooth-shaped section (411) and a third locking section (412) along the axial direction, the outer wall of the third locking section (412) is provided with a fourth threaded hole perpendicular to the axial direction, a second limiting plane (421) is arranged on the second transmission shaft (42), the second transmission shaft (42) sequentially penetrates through one of the third bearings (43), the third through hole and the other of the third bearings (43), a third screw (45) is in threaded connection with the fourth threaded hole, and the end portion of the third screw abuts against the second limiting plane (421).

7. The display screen unit plate detaching device according to claim 1, further comprising a knob (5), wherein the knob (5) is mounted on the operating portion for assisting in driving the first transmission shaft (21) to rotate.

8. The display screen unit plate dismounting device according to claim 7, wherein the operating portion is provided with a threaded section (212), the knob (5) is provided with a fifth threaded hole, the operating portion is further provided with a limiting section (213), a side wall of the fifth threaded hole is provided with a sixth threaded hole perpendicular to the axis, a fourth screw (53) is in threaded connection with the sixth threaded hole, and the end portion of the fourth screw abuts against the limiting section (213).

9. The display screen unit plate dismounting device according to claim 1, wherein the housing assembly (1) comprises an upper cover (11) and a base (12), the upper cover (11) and the base (12) are detachably connected, the upper cover (11) is provided with a first limiting hole (111), and the first transmission shaft (21) is arranged in the first limiting hole (111) in a penetrating manner; the base (12) is provided with a plurality of second limiting holes (121), and the second transmission shafts (42) penetrate through the second limiting holes (121).

10. The display screen unit plate dismounting device according to claim 9, wherein a rotation mark (112) is arranged on the outer wall of the upper cover (11), and the rotation mark (112) is used for marking the moving direction of the second transmission shaft (42) corresponding to the rotating direction of the first transmission shaft (21) relative to the first threaded hole (101).