CN213118659U

CN213118659U - Hot air spray suction nozzle for maintaining small-spacing LED display module

Info

Publication number: CN213118659U
Application number: CN202021933019.9U
Authority: CN
Inventors: 程言军; 何耀頣; 林世强; 陈龙
Original assignee: Shenzhen Dx Gaoduan Manufacturing Program Solution Co ltd
Current assignee: Shenzhen Dx Gaoduan Manufacturing Program Solution Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-05-04
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a hot air spray nozzle for maintaining a small-space LED display module, which comprises a spray nozzle body with a hollow inner cavity; the bottom of the spray suction nozzle body is provided with a spray suction mechanism, a suction pipe is arranged in the spray suction nozzle body, and a hot air pipe is arranged on the spray suction nozzle body. The utility model is convenient to use, can concentrate heat on one LED lamp bead during maintenance, and avoids the phenomenon of secondary tin melting during removal and welding, so as to reduce the influence on the surrounding LED lamp beads and the reliability thereof; and focus hot-blast pin and the pad on LED surface through the exhaust vent when reprocessing, make the solder joint melt or make the soldering paste in order to accomplish and dismantle or the welding function, dismantle and use simultaneously and inhale the thing head and inhale the LED lamp pearl that the solder joint has melted gently, with the LED lamp pearl that is used for removing and relocating LED display module.

Description

Hot air spray suction nozzle for maintaining small-spacing LED display module

Technical Field

The utility model relates to a LED display module assembly maintenance equipment field specifically is a hot-blast suction nozzle that spouts that is used for booth apart from LED display module assembly maintenance.

Background

With the improvement of manufacturing process and the requirement of customers on the image quality of the LED screen, the distance between the LED display modules, namely the distance between the LED lamp beads and the center of the bead on the next wall, becomes smaller and smaller, and the common small-distance LED display modules in the market are different from 0.8mm to 1.5 mm.

Because the distance between LED lamp pearl and the LED lamp pearl is very close, need the maintenance if finding one of them lamp pearl to go wrong when paster production, the lamp pearl on next door can be influenced by a large scale certainly to the heat that produces during the maintenance, causes the influence to the lamp pearl reliability on next door, because the large tracts of land is heated and is used the conventional maintenance mode to collide the lamp pearl on next door easily and cause the aversion when removing bad lamp pearl with the pliers after melting tin, short circuit scheduling problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot-blast suction nozzle that spouts for booth apart from LED display module assembly maintenance to the heat must influence peripheral lamp pearl, the problem of influence peripheral lamp pearl reliability by a large scale when solving the maintenance that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a hot air spray suction nozzle for maintaining a small-spacing LED display module comprises a spray suction nozzle body with a hollow inner cavity; the bottom of the spray suction nozzle body is provided with a spray suction mechanism, a suction pipe is arranged in the spray suction nozzle body, and a hot air pipe is arranged on the spray suction nozzle body.

Preferably, the spray nozzle body comprises an installation block and a connecting pipe arranged below the installation block, the installation block is provided with a connecting frame, and the outer side wall of the installation block is provided with an installation hole.

Preferably, the spraying and sucking mechanism is used for removing and replacing the LED lamp beads of the LED display module, and comprises an object sucking head fixedly connected to the bottom end of the connecting pipe and an air outlet hole formed in the bottom end of the connecting pipe; the air outlet is used for supplying hot air to enter and exit so as to be used for maintaining the LED display module.

Preferably, the overall appearance of the object suction head is of an inverted frustum structure, and the bottom end of the object suction head is provided with a suction hole.

Preferably, the top end of the spray suction nozzle body extends out of the upper part of the suction pipe, the pipe cavity of the suction pipe is communicated with the hole cavity of the suction hole, and the suction pipe is a vacuum suction pipe; the bottom of the outer pipe wall of the suction pipe is provided with a connecting block, the bottom end of the connecting block is fixedly connected to the bottom of the inner cavity of the connecting pipe, and the overlooking appearance of the connecting block is of a circular structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is convenient to use, and when in maintenance, the heat can be concentrated on one LED lamp bead, so that the phenomenon of secondary tin melting during removal and welding is avoided, and the influence on the peripheral LED lamp beads and the reliability thereof is reduced; and focus on pin and the pad on LED surface with hot-blast when reprocessing, make the solder joint melt or make the soldering paste in order to accomplish and dismantle or the welding function, when dismantling with the LED lamp pearl that the solder joint has melted gently the absorption to be used for removing and relocating the LED lamp pearl of LED display module assembly, be favorable to this hot-blast nozzle's using widely.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

FIG. 4 is a perspective view of the mounting block and the connecting tube of the present invention;

fig. 5 is a bottom view of the structure of the present invention.

In the figure: 1 mounting block, 11 mounting holes, 2 connecting pipes, 21 air outlet holes, 3 suction heads, 31 suction holes, 4 connecting blocks, 5 suction pipes, 6 connecting frames and 7 hot air pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a hot air spray suction nozzle for maintaining a small-spacing LED display module comprises a spray suction nozzle body with a hollow inner cavity; the bottom end of the spray suction nozzle body is provided with a spray suction mechanism, a suction pipe 5 is arranged in the spray suction nozzle body, and the spray suction nozzle body is provided with a hot air pipe 7; the spray nozzle body comprises a mounting block 1 and a connecting pipe 2 arranged below the mounting block 1, a connecting frame 6 is arranged on the mounting block 1, and a mounting hole 11 is formed in the outer side wall of the mounting block 1; wherein, the connecting frame 6 is matched with the mounting hole 11 to rapidly mount the spray nozzle body on the LED display module maintenance device.

Referring to fig. 1, 3, 4 and 5, the spraying and sucking mechanism is used for removing and replacing the LED lamp bead of the LED display module, and the spraying and sucking mechanism includes an object sucking head 3 fixed at the bottom end of the connecting pipe 2 and an air outlet 21 arranged at the bottom end of the connecting pipe 2; the air outlet 21 is used for supplying hot air to the outside and the inside for maintaining the LED display module; the overall appearance of the object suction head 3 is of an inverted frustum structure, and the bottom end of the object suction head 3 is provided with a suction hole 31; it should be noted that the overall shape of the suction head 3 is not limited to the circular truncated cone structure, and a cylindrical, prismatic, or pyramidal structure may also be adopted to adapt to the suction head 3 of the present embodiment.

Referring to fig. 1 and 2, a top end of the nozzle body extends above the suction pipe 5, a lumen of the suction pipe 5 is communicated with a bore of the suction hole 31, and the suction pipe 5 is a vacuum suction pipe; the bottom of the outer pipe wall of the suction pipe 5 is provided with a connecting block 4, the bottom end of the connecting block 4 is fixedly connected with the bottom of the inner cavity of the connecting pipe 2, and the overlooking appearance of the connecting block 4 is of a circular structure; the connecting block 4 is arranged, so that the suction pipe 5 can be limited and firmly arranged at the bottom of the inner cavity of the connecting pipe 2, the pipe cavity of the suction pipe 5 is firmly combined with the suction hole 31 into a whole, and the stable normal use of the hot air spray suction nozzle is facilitated.

The working principle is as follows: when the small-spacing LED display module maintenance device is used, the spray suction nozzle body is arranged on the small-spacing LED display module maintenance device through the mounting block 1 and the mounting hole 11, and the suction pipe 5 and the hot air pipe 7 are respectively connected with a vacuum device and a temperature-controllable hot air supply system of the small-spacing LED display module maintenance device; the whole length of the suction hole 31 is 0.125mm, and a vacuum device is connected inside a central suction nozzle formed by the suction hole 31 and used for removing and replacing the LED lamp beads; the peripheral nozzle formed by the air outlet 21 and the hot air pipe 7 is connected with a temperature-controllable hot air system for supplying hot air for the maintenance of the LED display module; wherein the suction pipe 5 and the vacuum device form a vacuum suction pipe device to realize sucking and releasing the LED lamp beads.

In the above solution, the temperature-controllable hot air system and the vacuum device belong to a BGA maintenance soldering station device, which is not shown in the figure, BGA is a chip packaged by BGA packaging process, and generally a solder ball array is connected to the bottom of the package body as an I/O terminal; the typical pitch of the solder ball arrays of these packages is 1.0mm, 1.27mm or 1.5mm, and the BGA soldering station is also commonly called BGA repair station, which is a special device used when the BGA chip has soldering problem or needs to be replaced with a new BGA chip, because the temperature requirement for soldering the BGA chip is relatively high; the structure and principle of the BGA repair pad are well known in the market, and therefore, are not described in detail herein.

It should be noted that, in the hot air spray nozzle of the utility model, the peripheral nozzle diameter of the hot air spray nozzle is only 1-2mm, the influence range is limited, and the hot air spray nozzle is used for supplying hot air for the maintenance of the LED display module; the diameter of the suction hole 31 of the central nozzle is 0.125-0.18mm, and the central nozzle can be used for removing and replacing the LED lamp beads to realize suction and discharge of the LED lamp beads.

The utility model discloses convenient to use, when carrying out LED display module maintenance, rely on the spray suction mechanism who sets up, its heat of hot-blast that exhaust vent 21 derived concentrates on a LED lamp pearl when maintaining, avoid appearing the phenomenon that the secondary melts tin when removing and welding, accomplish accurate location and controllable heated area to reduce the influence to peripheral LED lamp pearl and reliability thereof; and focus on hot-blast pin and the pad on LED surface through exhaust vent 21 during the repair, make the solder joint melt or make the soldering paste in order to accomplish and dismantle or the welding function, use when dismantling and inhale thing head 3 and inhale the LED lamp pearl that the solder joint has melted gently, be used for removing and relocating LED display module's LED lamp pearl, be favorable to this hot-blast popularization and use who spouts the suction nozzle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hot-blast suction nozzle that spouts that is used for booth apart from LED display module group maintenance which characterized in that: comprises a spray nozzle body with a hollow inner cavity; the bottom of the spray suction nozzle body is provided with a spray suction mechanism, a suction pipe (5) is arranged in the spray suction nozzle body, and a hot air pipe (7) is arranged on the spray suction nozzle body.

2. The hot air spray nozzle for maintaining the small-spacing LED display module according to claim 1, which is characterized in that: the spray nozzle body comprises an installation block (1) and a connecting pipe (2) arranged below the installation block (1), a connecting frame (6) is arranged on the installation block (1), and a mounting hole (11) is formed in the outer side wall of the installation block (1).

3. The hot air spray nozzle for maintaining the small-spacing LED display module according to claim 1, which is characterized in that: the spraying and sucking mechanism is used for removing and replacing LED lamp beads of the LED display module and comprises an object sucking head (3) fixedly connected to the bottom end of the connecting pipe (2) and an air outlet (21) formed in the bottom end of the connecting pipe (2); the air outlet (21) is used for supplying hot air to enter and exit so as to be used for maintaining the LED display module.

4. The hot air spray nozzle for maintaining the small-spacing LED display module according to claim 3, which is characterized in that: the overall appearance of the object suction head (3) is of an inverted frustum structure, and the bottom end of the object suction head (3) is provided with a suction hole (31).

5. The hot air spray nozzle for maintaining the small-spacing LED display module according to claim 1, which is characterized in that: the top end of the spray suction nozzle body extends out of the upper part of the suction pipe (5), the pipe cavity of the suction pipe (5) is communicated with the hole cavity of the suction hole (31), and the suction pipe (5) is a vacuum suction pipe; the bottom of the outer pipe wall of the suction pipe (5) is provided with a connecting block (4), the bottom end of the connecting block (4) is fixedly connected to the bottom of the inner cavity of the connecting pipe (2), and the overlooking appearance of the connecting block (4) is of a circular structure.