COB-LED module welding device

Abstract

The utility model belongs to the field of chip module welding, particularly relates to a COB-LED module welding device, and aims to solve the problems that in the prior art, when a module is welded, a circuit board may move, the welding quality of the module is affected, heat dissipation is generally carried out in a natural heat dissipation mode after welding, the welded module cannot dissipate heat in time, and the service life of the module is prolonged. In order to solve the problem that a module is easily damaged in the prior art, the utility model provides the following scheme that the device comprises a bottom plate, a top plate, two electric sliding rails and a moving rod, supporting columns are fixedly connected to four corners of the bottom of the bottom plate, the top plate is arranged right above the bottom plate, and the sides, close to each other, of the two electric sliding rails are fixedly connected with the two sides of the top plate respectively; the module is stably clamped in the welding process, poor welding caused by moving or shaking is prevented, the welding quality is ensured, meanwhile, after welding is completed, forced air cooling can be rapidly conducted on the module through the cooling fan, the temperature of the module is effectively reduced, and the risk that the module is damaged due to high temperature is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to chip module welding technical field especially relates to a COB-LED module welding device. BACKGROUND

[0002] COB-LED module is a kind of LED module that LED bare chip is directly packaged on printed circuit board (PCB), at present, COB-LED module has been widely applied and recognized in market, with the continuous progress of technology and the gradual reduction of cost, its application field will also continue to expand, simultaneously, with the increasing demand of market to high definition, high brightness, high reliability display screen, the market prospect of COB-LED module will also be more broad, COB-LED module needs to use welding process in production process.

[0003] But the existing welding device has the following problems: when welding module, circuit board can move, affect the welding quality of module, and after welding, generally through the way of natural heat dissipation to dissipate heat, so that the module after welding cannot dissipate heat in time, easy to cause damage to module. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the existing technology in the prior art when welding module, circuit board can move, affect the welding quality of module, and after welding, generally through the way of natural heat dissipation to dissipate heat, so that the module after welding cannot dissipate heat in time, easy to cause damage to module's shortcomings, and propose a kind of COB-LED module welding device.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of COB-LED module welding device, including bottom plate, top plate, two electric sliding rails and moving rod, the bottom four corners of bottom plate are all fixedly connected with support column, the top plate is set in the top of bottom plate, two electric sliding rails are fixedly connected with the two sides of top plate respectively on the side close to each other, two electric sliding blocks are provided on two electric sliding rails, the top of two electric sliding blocks is all fixedly connected with connecting rod, the bottom of moving rod is fixedly connected with the top of two connecting rods respectively on two sides, the moving rod is provided with welding assembly for welding module;

[0007] Clamping mechanism, clamping mechanism is set on top plate and is used to clamp and fix module;

[0008] Heat dissipation mechanism, heat dissipation mechanism is set on bottom plate and is used to dissipate heat to module after welding.

[0009] In a possible design, the clamping mechanism includes a first motor, two first connecting plates, two first connecting blocks, two clamping plates, a slide rod, a bidirectional screw rod, two second connecting plates, two second connecting blocks, and two rectangular blocks, the two sides close to each other of the two rectangular blocks are fixedly connected to the front side and the rear side of the same top plate respectively, the bottoms of the two first connecting plates and the two second connecting plates are fixedly connected to the two sides of the top of the two rectangular blocks respectively, the two ends of the slide rod are fixedly connected to the sides close to each other of the two second connecting plates respectively, the two ends of the bidirectional screw rod are rotationally connected to the sides close to each other of the two first connecting plates respectively, the two first connecting blocks are threadedly sleeved on the same bidirectional screw rod, the two second connecting blocks are slidingly sleeved on the same slide rod, the bottoms of the two clamping plates are slidingly connected to the top of the top plate, the front side and the rear side of the two clamping plates are fixedly connected to the two first connecting blocks and the two second connecting blocks respectively, one side of the first motor is fixedly connected to one side of the first connecting plate through bolts, and the output end of the first motor rotationally penetrates one side of the first connecting plate and is fixedly connected to one end of the bidirectional screw rod.

[0010] In a possible design, the heat dissipation mechanism includes a first electric telescopic rod, a lifting plate, four jacks, four jack blocks, and a heat dissipation fan, the top of the top plate is provided with a rectangular groove, a rectangular hole matched with the heat dissipation fan is formed in the bottom inner wall of the rectangular groove, the heat dissipation fan is fixedly connected to the inner wall of the rectangular hole through bolts, the fixed end of the first electric telescopic rod is fixedly connected to the top of the bottom plate, the telescopic end of the first electric telescopic rod is fixedly connected to the bottom center of the lifting plate, the top of the lifting plate is fixedly connected to the bottoms of the four jacks respectively, the top ends of the four jacks slidingly penetrate the bottom of the same top plate and extend above the rectangular groove, and the bottoms of the four jack blocks are fixedly connected to the top ends of the four jacks respectively.

[0011] In a possible design, the top periphery of the bottom plate and the bottom periphery of the top plate are fixedly connected to the same shielding frame.

[0012] In a possible design, the two sides of the shielding frame are provided with heat dissipation holes for heat dissipation of the first electric telescopic rod, and the inner walls of the two heat dissipation holes are fixedly provided with filter screens through bolts.

[0013] In a possible design, the sides close to each other of the two clamping plates are fixedly provided with soft pads for reducing damage of the clamping module.

[0014] In a possible design, the two sides of the lifting plate are fixedly provided with side blocks, the two side blocks are provided with sliding holes, the inner walls of the two sliding holes are slidingly provided with positioning rods respectively, the bottoms of the two positioning rods are fixedly connected to the top of the same bottom plate, and the tops of the two positioning rods are fixedly connected to the bottom of the same top plate.

[0015] In the application, the COB-LED module to be welded is placed at a predetermined position on the top plate, and then the controller starts the first electric telescopic rod, the telescopic end of which pushes the lifting plate to rise, thereby driving the top rod and the top block to rise, so that the module gradually moves away from the top of the top plate, and the stable movement of the lifting plate is realized through the positioning rod, then the controller starts the first motor, the output end of which drives the bidirectional screw rod to rotate, since the first connecting block is threadedly sleeved on the bidirectional screw rod and the second connecting block is slidably sleeved on the sliding rod, the rotation of the bidirectional screw rod drives the two clamping plates to move towards each other until the soft pad on the clamping plate gently clamps the module, thereby realizing stable clamping of the module and preventing movement during welding, after the module is stably clamped, the welding assembly is started through the controller, the welding head in the welding assembly can accurately aim at the welding point on the module under the drive of the second electric telescopic rod, at the same time, the second motor on the moving rod drives the ball screw, the electric sliding rail and the electric sliding block, so that the welding assembly can move in different directions to adapt to the welding requirements of different positions on the module, during welding, the welding head is powered through the power supply control unit to generate a high-temperature electric arc or laser heat source to weld the module, after welding is completed, the cooling fan in the rectangular groove starts to work to blow air to the module through the rectangular hole, thereby accelerating the air circulation on the surface of the module and speeding up the heat dissipation of the surface of the module, so as to ensure rapid cooling of the module and prevent damage due to high temperature, during the whole welding process, the shielding frame shields and protects the first electric telescopic rod, the lifting plate and other components to prevent external interference and accidental touch, at the same time, the heat dissipation holes and the filter screen on both sides of the shielding frame ensure the heat dissipation requirement of the equipment and prevent dust and other impurities from entering the interior of the equipment to affect the normal operation of the equipment.

[0016] The utility model has the advantages that:

[0017] In the utility model, through the cooperation of the electric sliding rail, the electric sliding block, the second motor and the ball screw, the accurate movement of the welding assembly in multiple directions is realized, the welding precision and efficiency are improved, through the heat dissipation mechanism and the clamping mechanism, the module is stably clamped during welding, the poor welding caused by movement or shaking is prevented, the welding quality is ensured, and after welding is completed, the module can be rapidly forcedly cooled through the cooling fan, the temperature of the module is effectively reduced, and the risk of damage due to high temperature is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a local structure rear view schematic diagram of the utility model;

[0020] Figure 3 It is a heat dissipation structure schematic diagram of the utility model;

[0021] Figure 4 The sectional view of the heat dissipation structure of the utility model.

[0022] In the figure: 1, bottom plate; 2, shielding frame; 3, electric slide rail; 4, slide bar; 5, two-way screw; 6, moving rod; 7, No. 1 motor; 8, No. 1 connecting plate; 9, No. 1 connecting block; 10, clamping plate; 11, soft pad; 12, No. 2 connecting plate; 13, No. 2 connecting block; 14, rectangular block; 15, top plate; 16, top rod; 17, lifting plate; 18, side block; 19, positioning rod; 20, No. 1 electric telescopic rod; 21, heat dissipation fan; 22, top block; 23, filter screen. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Embodiment one

[0025] Reference Figures 1-4 A kind of welding device, including bottom plate 1, top plate 15, two electric slide rails 3 and moving rod 6, four support columns are fixedly connected respectively at the bottom four corners of bottom plate 1, ensure that bottom plate 1 is stable and does not shake, top plate 15 is arranged directly above bottom plate 1, and ensure that top plate 15 is stable, then, the two sides of top plate 15 are fixedly connected to the two sides of top plate 15 by bolt or other fastening mode at the side close to each other of two electric slide rails 3, electric slide block is installed on two electric slide rails 3, and ensure that it can slide smoothly, then, the bottom of connecting rod is fixedly connected to the top of two electric slide blocks by bolt or other connecting mode, the bottom of moving rod 6 is fixedly connected to the top of connecting rod, ensure that moving rod 6 can move horizontally with the movement of electric slide block, welding assembly is installed on moving rod 6, including welding head, power control unit and necessary wire and pipeline, ensure that welding assembly can work normally and weld module, No. 2 electric telescopic rod is arranged on welding assembly, facilitate welding head to weld module, No. 2 motor and ball screw are arranged on moving rod 6, facilitate to ensure that welding assembly moves in different directions, in turn facilitate to weld module.

[0026] Two rectangular blocks 14 are respectively fixedly connected on the front side and the rear side of the top plate 15, and the positions are ensured to be accurate, then a first connecting plate 8 and a second connecting plate 12 are respectively fixedly connected on the top of the two rectangular blocks 14, the two ends of the bidirectional screw rod 5 are rotatably connected on the side close to each other of the two first connecting plates 8 and can rotate smoothly, the two ends of the sliding rod 4 are fixedly connected on the side close to each other of the two second connecting plates 12, the bottom of each clamping plate 10 is designed to be in sliding fit with the top of the top plate 15, and a first connecting block 9 and a second connecting block 13 are respectively fixedly connected on the front side and the rear side of the clamping plate 10, wherein the first connecting block 9 is threadedly sleeved on the bidirectional screw rod 5, the second connecting block 13 is sleeved on the sliding rod 4 in a sliding manner, the first motor 7 is fixedly connected on one side of the first connecting plate 8 through bolts, and the output end of the first motor 7 is rotatably connected with one end of the bidirectional screw rod 5, so that the bidirectional screw rod 5 is driven to rotate by the working of the first motor 7, the clamping plate 10 is driven to move to clamp the mold set, and the mold set is prevented from moving during welding.

[0027] A rectangular groove is formed in the top of the top plate 15, a rectangular hole matched with the heat dissipation fan 21 is formed in the inner wall of the bottom of the rectangular groove, the heat dissipation fan 21 is fixedly connected to the inner wall of the rectangular hole through bolts, the fixed end of the first electric telescopic rod 20 is fixedly connected to the top of the bottom plate 1, the telescopic end is fixedly connected to the bottom center of the lifting plate 17, the top of the lifting plate 17 is fixedly connected to the bottom of the four top rods 16, the top end of the top rod 16 is slidably connected to the top plate 15 and extends above the rectangular groove, and finally the top block 22 is fixedly connected to the top end of the top rod 16, so that the mold set is placed on the top plate 15 before welding, the mold set is moved away from the top of the top plate 15 through the electric telescopic rod, and the mold set is conveniently cooled by the heat dissipation fan 21 after welding.

[0028] The application can be used in the field of chip module welding, and can also be used in other fields applicable to the application.

[0029] Embodiment two

[0030] Reference Figures 1-4 On the basis of embodiment one, a COB-LED module welding device comprises:

[0031] The same shielding frame 2 is fixedly connected to the top of the bottom plate 1 and the bottom of the top plate 15, and is used for shielding and protecting the first electric telescopic rod 20, the lifting plate 17 and other components, so that the mold set can be smoothly moved away from the top plate 15, and is conveniently cooled, in addition, the heat dissipation holes are formed on the two sides of the shielding frame 2, and the filter screen 23 is fixedly arranged on the inner wall of the heat dissipation hole through bolts, so as to prevent dust from entering the equipment and facilitate the blowing of the heat dissipation fan 21.

[0032] Soft pads 11 are fixed on the sides of the two clamping plates 10 to reduce the damage of the mold set during clamping.

[0033] Side blocks 18 are fixed on the two sides of the lifting plate 17, sliding holes are formed in the side blocks 18, and a positioning rod 19 is slidably arranged in the sliding holes.

[0034] However, as known by those skilled in the art, the working principles and wiring methods of the electric slide rail 3, the electric slide block, the first motor 7, the second motor, the cooling fan 21 and the first electric telescopic rod 20 are common, which belong to conventional means or common knowledge, and will not be described here. Those skilled in the art can make any selection or arrangement according to their needs or convenience. The electric slide rail 3, the electric slide block, the first motor 7, the second motor, the cooling fan 21 and the first electric telescopic rod 20 are connected with the controller through lines and are powered by external power supply. The controller is fixed on the front side of the shielding frame 2 by bolts.

[0035] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A COB-LED module welding device, characterized in that, Including the bottom plate (1), the top plate (15), two electric slide rails (3) and the moving rod (6), the bottom four corners of the bottom plate (1) are fixedly connected with support columns, the top plate (15) is arranged directly above the bottom plate (1), two electric slide rails (3) are fixedly connected with the two sides of the top plate (15) respectively, two electric slide blocks are arranged on the two electric slide rails (3), the top of the two electric slide blocks is fixedly connected with the connecting rod, the bottom of the moving rod (6) is fixedly connected with the top of the two connecting rods respectively, the moving rod (6) is provided with a welding assembly for welding the module; The clamping mechanism is arranged on the top plate (15) and is used for clamping and fixing the module; The heat dissipation mechanism is arranged on the bottom plate (1) and is used for dissipating heat for the welded module; The heat dissipation mechanism includes a No. 1 electric telescopic rod (20), a lifting plate (17), four jacks (16), four top blocks (22) and a heat dissipation fan (21), the top of the top plate (15) is provided with a rectangular groove, a rectangular hole matched with the heat dissipation fan (21) is formed in the bottom inner wall of the rectangular groove, the heat dissipation fan (21) is fixedly connected with the inner wall of the rectangular hole through bolts, the fixed end of the No. 1 electric telescopic rod (20) is fixedly connected with the top of the bottom plate (1), the telescopic end of the No. 1 electric telescopic rod (20) is fixedly connected with the bottom center of the lifting plate (17), the top of the lifting plate (17) is fixedly connected with the bottom of the four jacks (16) respectively, the top of the four jacks (16) is slidably penetrated through the bottom of the same top plate (15) and extends above the rectangular groove, the bottom of the four top blocks (22) is fixedly connected with the top of the four jacks (16) respectively.

2. The COB-LED module welding device according to claim 1, wherein, The clamping mechanism comprises a No. 1 motor (7), two No. 1 connecting plates (8), two No. 1 connecting blocks (9), two clamping plates (10), a sliding rod (4), a bidirectional screw rod (5), two No. 2 connecting plates (12), two No. 2 connecting blocks (13) and two rectangular blocks (14), the opposite sides of the two rectangular blocks (14) are fixedly connected with the front side and the rear side of the same top plate (15), the bottoms of the two No. 1 connecting plates (8) and the two No. 2 connecting plates (12) are fixedly connected with the top of the two rectangular blocks (14), the two ends of the sliding rod (4) are fixedly connected with the opposite sides of the two No. 2 connecting plates (12), the two ends of the bidirectional screw rod (5) are rotatably connected with the opposite sides of the two No. 1 connecting plates (8), the two No. 1 connecting blocks (9) are threadedly sleeved on the same bidirectional screw rod (5), the two No. 2 connecting blocks (13) are slidably sleeved on the same sliding rod (4), the bottoms of the two clamping plates (10) are slidably connected with the top of the top plate (15), the front side and the rear side of the two clamping plates (10) are fixedly connected with the two No. 1 connecting blocks (9) and the two No. 2 connecting blocks (13), one side of the No. 1 motor (7) is fixedly connected with one side of the No. 1 connecting plate (8) through bolts, and the output end of the No. 1 motor (7) is rotatably connected with one end of the bidirectional screw rod (5).

3. The COB-LED module welding device according to claim 1, wherein, The top of the bottom plate (1) and the bottom of the top plate (15) are fixedly connected with the same shielding frame (2).

4. The COB-LED module welding device according to claim 3, characterized in that, The two sides of the shielding frame (2) are provided with heat dissipation holes for heat dissipation of the No. 1 electric telescopic rod (20), and the inner walls of the two heat dissipation holes are fixedly provided with filter screens (23) through bolts.

5. The COB-LED module welding device according to claim 2, wherein, The opposite sides of the two clamping plates (10) are fixedly provided with soft pads (11) for reducing damage of the module clamping.

6. The COB-LED module welding device according to claim 2, wherein, The two sides of the lifting plate (17) are fixedly provided with side blocks (18), the side blocks (18) are provided with sliding holes, the inner walls of the sliding holes are slidably provided with positioning rods (19), the bottoms of the positioning rods (19) are fixedly connected with the top of the same bottom plate (1), and the tops of the positioning rods (19) are fixedly connected with the bottom of the same top plate (15).

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