Device applied to COB light source welding

Abstract

The utility model relates to the technical field of LED lamps, in particular to a device applied to COB light source welding, which comprises a bottom plate, an electromagnetic valve and a gas circuit rotating mechanism, the rotating mechanism is arranged at the front part of one side of the top end of the bottom plate, the gas circuit rotating mechanism comprises a rotating cylinder, the rotating cylinder is fixedly arranged at the front part of one side of the top end of the bottom plate, and the electromagnetic valve is arranged on the rotating cylinder. A support is fixedly installed at the output end of the rotating air cylinder, a heating platform is fixedly installed at the top end of the support, a COB protection plate is fixedly installed in the middle of the top end of the heating platform, and a heating module is fixedly installed in the middle of the bottom end of the heating platform. The device has the beneficial effects that the rotating air cylinder can drive the semiconductor chip on the heating platform to rotate, welding operation can be conveniently conducted on different edges of the semiconductor chip through external welding operation, physical loss of operators can be reduced, the welding production efficiency can be improved, meanwhile, operation can be conducted under the condition temperature, the welding quality is improved, and the working efficiency is improved. And the damage to the semiconductor chip due to the welding temperature problem is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of LED lamps, in particular to a device used for COB light source welding. Background Art

[0002] LED lamps are a type of high-efficiency and energy-saving lighting equipment. They use LEDs as light sources and have many advantages and a wide range of application scenarios. During the production process, COB technology is required to directly fix the semiconductor chip on the printed circuit board, where the LED chip is directly mounted on the thermally conductive substrate to provide better thermal management and light efficiency.

[0003] In the prior art, when performing wire bonding operations on COB light sources, the COB light sources are very strict about the welding temperature. However, since the COB light source itself dissipates heat very quickly, it is difficult to achieve the welding effect if the welding is performed at its welding temperature. If the temperature is increased, it is easy to damage the semiconductor chip, affecting its service life, or directly causing damage. Utility Model Content

[0004] The purpose of the present utility model is to provide a device for COB light source welding to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a device for COB light source welding, comprising a base plate, a solenoid valve, and an air path rotation mechanism, wherein the solenoid valve is arranged at the rear portion of one side of the top of the base plate, the rotation mechanism is arranged at the front portion of one side of the top of the base plate, and a main control chassis is fixedly installed at the rear portion of the other side of the top of the base plate;

[0006] The air path rotation mechanism includes a rotating cylinder, which is fixedly mounted on the front side of the top of the base plate. A bracket is fixedly mounted on the output end of the rotating cylinder. A heating platform is fixedly mounted on the top of the bracket. A COB protective plate is fixedly mounted in the middle of the top of the heating platform. A plurality of evenly distributed placement slots are provided in the middle of the top of the COB protective plate. A heating module is fixedly mounted in the middle of the bottom end of the heating platform.

[0007] Preferably, a display panel is fixedly installed in the middle of the front end of the main control chassis.

[0008] Preferably, a control button is fixedly installed on the front side of the top of the main control chassis.

[0009] Preferably, a plurality of evenly distributed heat dissipation slots are provided on both sides of the main control chassis.

[0010] Preferably, a main control circuit board is fixedly installed at the front of the main control chassis, and a constant temperature main controller is fixedly installed at the rear of the main control circuit board.

[0011] Preferably, mounting holes are provided at the four corners of the top end of the base plate.

[0012] Preferably, the main control circuit board is electrically connected to the display panel, the constant temperature main controller, the heating module, the control button, the solenoid valve and the rotary cylinder respectively.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The device for COB light source welding proposed in this utility model is provided with a rotating cylinder, a heating platform, etc. The rotating cylinder can drive the semiconductor chip on the heating platform to rotate, which is convenient for external welding operations to perform welding operations on different sides, can reduce the physical loss of the operators, and improve the welding production efficiency. At the same time, it can operate at a temperature that meets the conditions, improve the welding quality, and reduce the damage to the semiconductor chip due to welding temperature problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the side planar structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the local structure of the heating platform of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the main control chassis of the present utility model.

[0019] In the figure: 1. Base plate; 2. Mounting hole; 3. Rotating cylinder; 4. Heating platform; 5. Solenoid valve; 6. COB protection plate; 7. Placement slot; 8. Main control chassis; 9. Control button; 10. Display panel; 11. Heat sink; 12. Bracket; 13. Heating module; 14. Main control circuit board; 15. Constant temperature controller. DETAILED DESCRIPTION

[0020] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figures 1 to 4The utility model provides a technical solution: a device for COB light source welding, comprising a base plate 1, a solenoid valve 5 and an air path rotating mechanism, the solenoid valve 5 is arranged at the rear part of one side of the top of the base plate 1, the rotating mechanism is arranged at the front part of one side of the top of the base plate 1, and a main control chassis 8 is fixedly installed at the rear part of the other side of the top of the base plate 1, and the air path rotating mechanism comprises a rotating cylinder 3, the rotating cylinder 3 is fixedly installed at the front part of one side of the top of the base plate 1, the output end of the rotating cylinder 3 is fixedly installed with a bracket 12, and the top of the bracket 12 is fixedly installed with a heating platform 4. By controlling the rotating cylinder 3, the rotating cylinder 3 receives the power of compressed air to push the internal piston or blade to perform a rotary motion, thereby driving the output shaft to rotate, and then accelerating The heating platform 4 can be rotated 180° clockwise or 180° counterclockwise, which can facilitate external welding equipment to perform welding operations on both sides of the COB. A COB protective plate 6 is fixedly installed in the middle of the top of the heating platform 4. A plurality of evenly distributed placement grooves 7 are provided in the middle of the top of the COB protective plate 6. A heating module 13 is fixedly installed in the middle of the bottom of the heating platform 4. Here, the heating module 13 can be a PTC heating module 13. The PTC heating module 13 is an electric heating device based on a PTC thermistor. It has the characteristics of automatic constant temperature and high safety performance. The semiconductor chip can be fixed on the surface of the substrate using thermally conductive epoxy resin, and the chip can be firmly attached to the substrate through heat treatment.

[0022] A display panel 10 is fixedly installed in the middle of the front end of the main control chassis 8, and a control button 9 is fixedly installed on the front side of the top of the main control chassis 8. By using the relevant control keys on the display panel 10, the relevant electrical components can be controlled separately, which is beneficial to the normal operation of the device. A plurality of evenly distributed heat dissipation slots 11 are provided on both sides of the main control chassis 8. By setting the heat dissipation slots 11, the heat generated in the control chassis can be dissipated, which is beneficial to ensure the normal operation of the electronic components in the main control chassis 8 and avoid the device from not being able to operate normally due to high temperature. A main control circuit board 14 is fixedly installed in the front of the main control chassis 8. The main circuit board 1 A thermostatic main controller 15 is fixedly installed at the rear. Mounting holes 2 are provided at the four corners of the top of the bottom plate 1. By controlling the mounting holes 2 and cooperating with fixing bolts, the bottom plate 1 can be mounted and fixed, which can increase the stability of the device. The main control circuit board 14 is electrically connected to the display panel 10, the thermostatic main controller 15, the heating module 13, the control button 9, the solenoid valve 5 and the rotary cylinder 3. By connecting the relevant electronic components to the main control circuit board 14, the relevant electrical signals can be transmitted, so that the solenoid valve 5, the rotary cylinder 3 and other electronic components can be smoothly controlled, which can ensure the stable use of each component.

[0023] First, the staff turns on the power supply and can set the heating temperature and other parameters of the heating platform 4 through the display panel 10. After the temperature reaches the preset value, the semiconductor chip is placed in the placement slot 7, and the external welding equipment is used to perform wire welding on the semiconductor chip in the placement slot 7. When the welding operation on one side of the semiconductor chip is completed, the control button 9 is used to control the rotating cylinder 3. At this time, the heating platform 4 rotates 180 degrees, and then the other side of the semiconductor chip in the placement slot 7 is welded. After the operation is completed, the COB can be removed.

[0024] Although the above describes the illustrative specific implementation methods of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific implementation methods. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. A device for COB light source welding, comprising a base plate (1), a solenoid valve (5) and a gas path rotating mechanism, wherein the solenoid valve (5) is arranged at the rear part of one side of the top end of the base plate (1), and the rotating mechanism is arranged at the front part of one side of the top end of the base plate (1), characterized in that: A main control box (8) is fixedly mounted on the rear portion of the other side of the top of the base plate (1); The air path rotating mechanism comprises a rotating cylinder (3), the rotating cylinder (3) being fixedly mounted on the front part of one side of the top end of the base plate (1), a bracket (12) being fixedly mounted on the output end of the rotating cylinder (3), a heating platform (4) being fixedly mounted on the top end of the bracket (12), a COB protective plate (6) being fixedly mounted on the middle part of the top end of the heating platform (4), a plurality of evenly distributed placement grooves (7) being provided on the middle part of the top end of the COB protective plate (6), and a heating module (13) being fixedly mounted on the middle part of the bottom end of the heating platform (4).

2. The device for COB light source welding according to claim 1, characterized in that: A display panel (10) is fixedly mounted at the middle of the front end of the main control chassis (8).

3. The device for COB light source welding according to claim 1, characterized in that: A control button (9) is fixedly mounted on the front side of the top of the main control box (8).

4. The device for COB light source welding according to claim 1, characterized in that: Both sides of the main control chassis (8) are provided with a plurality of evenly distributed heat dissipation slots (11).

5. The device for COB light source welding according to claim 1, characterized in that: A main control circuit board (14) is fixedly installed at the front of the main control chassis (8), and a constant temperature main controller (15) is fixedly installed at the rear of the main control circuit board (14).

6. The device for COB light source welding according to claim 1, characterized in that: The top four corners of the bottom plate (1) are all provided with mounting holes (2).

7. The device for COB light source welding according to claim 5, characterized in that: The main control circuit board (14) is electrically connected to the display panel (10), the constant temperature main controller (15), the heating module (13), the control button (9), the solenoid valve (5) and the rotary cylinder (3).

Images