Welding device for thin film circuit
By combining thin-film circuit boards and various adjustment methods, the problem of LED lights being unable to be soldered onto PET flexible circuits has been solved, achieving a high-efficiency and low-cost soldering process, and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202420555694.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-20
AI Technical Summary
In existing technologies, PET flexible circuits cannot be directly soldered to LED lights, and electric hydraulic cylinders have high adjustment precision, high cost, and are susceptible to failure. Ordinary PET circuits require connectors to connect to the control board, resulting in low production efficiency and high cost.
Using thin-film circuit boards and multiple adjustment methods, including coarse and fine adjustment, combined with components such as cylinder push plates, control consoles, and welding heads, precise positioning and welding of thin-film circuit boards are achieved. Silver paste is printed on PET base film using SMT technology to form conductive lines, and components are then welded to PCBA.
It achieves high-precision adjustment and welding, improves component assembly efficiency and yield, and reduces production costs.
Smart Images
Figure CN222582686U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flexible circuit board welding, in particular to a welding device for a thin film circuit. Background Art
[0002] Ordinary PET silver paste circuits cannot be welded, and the lead connectors need to be crimped terminals and connectors. The LED lights on the circuit cannot be welded using solder paste SMT technology, and need to be bonded with conductive glue and sealed with glue for reinforcement.
[0003] The prior art discloses a laser welding machine with application number CN201921481270.3 that can replace the traditional fluorine welding process. The laser welding machine can be moved up and down by an electric hydraulic cylinder, thereby facilitating the laser welding machine to complete the laser welding work normally and efficiently, thereby improving the working efficiency of the device.
[0004] However, the existing technology still has some defects. The precise adjustment of the electric hydraulic cylinder now requires a high cost, and once the adjustment equipment has problems, it will seriously affect production. At the same time, ordinary PET flexible circuits cannot directly weld components such as LED lights on the line, and ordinary PET circuits need to be connected to the control board with a connector. Utility Model Content
[0005] In order to solve the deficiencies mentioned in the above background technology, the purpose of the present utility model is to provide a welding device for thin film circuits.
[0006] The purpose of the utility model can be achieved through the following technical solutions:
[0007] A thin film circuit welding device comprises a thin film circuit board, wherein a plurality of welding points are arranged on the top of the thin film circuit board, and a wire is connected to the rear end of each welding point;
[0008] The top of the rear end of the thin film circuit board is slidably connected to a welding auxiliary positioning bracket, and the rear end of the welding auxiliary positioning bracket is slidably connected to a displacement bracket;
[0009] The top of the displacement bracket is fixedly connected to a driving cylinder, and the front end of the driving cylinder is fixedly connected to a cylinder push plate;
[0010] The top end of the welding auxiliary positioning bracket is slidably connected with a transverse base, and the top end of the thin film circuit board is installed with an LED installation plate.
[0011] Furthermore, a plurality of LED brackets are fixedly connected to the inner side of the wire, and an LED lamp is fixedly connected to the inner side of each LED bracket.
[0012] Furthermore, a movable pressure plate is fixedly connected to the top of the welding auxiliary positioning bracket, a movable positioning bracket is fixedly connected to the top of the welding auxiliary positioning bracket, an auxiliary positioning inclined plate is opened at the top of the movable positioning bracket, and a welding groove is opened at the bottom inner side of the auxiliary positioning inclined plate.
[0013] Furthermore, the front end of the cylinder push plate is fixedly connected to a movable push plate, the outer side of the movable push plate is fixedly connected to a control console, and the top of the movable push plate is provided with a movable transverse groove.
[0014] Furthermore, a transverse plate is fixedly connected to the bottom end of the transverse moving base, and the transverse moving plate is slidably connected to the inner side of the movable transverse groove. A connecting bracket is fixedly connected to the top end of the transverse moving base, a control hanging ring is installed at the front end of the connecting bracket, a welding head is installed on the inner side of the control hanging ring, a control wheel is rotatably connected to the inner side of the welding head, a steering movable bracket is geared at the outer side of the control wheel, and a welding output head is fixedly connected to the bottom end of the steering movable bracket.
[0015] Furthermore, a connecting screw is connected through the inner side of the LED mounting plate, a fixing nut is installed on the outer side of the connecting screw, the fixing nut is arranged at the top of the LED mounting plate, and an LED mounting hole is opened at the top of the LED mounting plate.
[0016] Beneficial effects of the utility model:
[0017] 1. The utility model realizes two different adjustments by adopting two different adjustment modes, namely, coarse adjustment and fine adjustment, so as to make the adjustment more precise. At the same time, it can assist in the adjustment when there is a problem with the adjustment device in the prior art, which is more practical and convenient.
[0018] 2. When the utility model is in use, silver paste that can be used for welding is printed on a flexible base film of PET or PI, and a conductive circuit is formed after thermal curing and drying. The components are assembled on the flexible circuit using the SMT process, and the connector is connected to the PCBA through the welding process, thereby improving the efficiency and yield of component assembly and reducing product costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The utility model is further described below in conjunction with the accompanying drawings.
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 It is a schematic diagram of the thin film circuit board of the utility model;
[0022] Figure 3 This is a schematic diagram of the welding auxiliary positioning bracket of the utility model;
[0023] Figure 4 This is a schematic diagram of the displacement bracket of the utility model;
[0024] Figure 5 It is a schematic diagram of the transverse shifting base of the utility model;
[0025] Figure 6 It is a schematic diagram of the LED installation board of the utility model.
[0026] In the figure: 1. Thin film circuit board; 11. Solder point; 12. Wire; 13. LED bracket; 14. LED lamp; 2. Welding auxiliary positioning bracket; 21. Moving pressure plate; 22. Moving positioning bracket; 23. Auxiliary positioning inclined plate; 24. Welding groove; 3. Displacement bracket; 31. Driving cylinder; 32. Cylinder push plate; 33. Moving push plate; 34. Control console; 35. Moving transverse groove; 4. Transverse base; 41. Transverse plate; 42. Connecting bracket; 43. Control hanging ring; 44. Welding head; 45. Control wheel; 46. Steering movable bracket; 47. Welding output head; 5. LED mounting plate; 51. Connecting screws; 52. Fixing nuts; 53. LED mounting holes. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.
[0029] A welding device for thin film circuits, such as Figure 1 As shown, it includes a thin film circuit board 1, a welding auxiliary positioning bracket 2 is slidably connected to the top of the rear end of the thin film circuit board 1, a displacement bracket 3 is slidably connected to the rear end of the welding auxiliary positioning bracket 2, a transverse base 4 is slidably connected to the top of the welding auxiliary positioning bracket 2, and an LED mounting plate 5 is installed on the top of the front end of the thin film circuit board 1.
[0030] The thin film circuit board 1 is fixed during the welding process by means of the welding auxiliary positioning bracket 2 and the LED mounting plate 5 on the top of the thin film circuit board 1 .
[0031] like Figure 2As shown, a plurality of solder joints 11 are arranged at the top of the thin film circuit board 1, and a wire 12 is connected to the rear end of each solder joint 11, and a plurality of LED brackets 13 are fixedly connected to the inner side of the wire 12, and an LED lamp 14 is fixedly connected to the inner side of each LED bracket 13.
[0032] The LED bracket 13 is supported by the wire 12 at the rear end of the welding point 11 and the circuit is connected, and the LED lamp 14 is installed by using the groove of the LED bracket 13.
[0033] like Figure 3 As shown, a movable pressing plate 21 is fixedly connected to the top of the welding auxiliary positioning bracket 2, a movable positioning bracket 22 is fixedly connected to the top of the welding auxiliary positioning bracket 2, an auxiliary positioning inclined plate 23 is opened at the top of the movable positioning bracket 22, and a welding groove 24 is opened at the inner bottom end of the auxiliary positioning inclined plate 23.
[0034] The position of the welding auxiliary positioning bracket 2 is controlled by the movable pressing plate 21 at the top of the welding auxiliary positioning bracket 2, and the position of the transverse base 4 is finely adjusted by the auxiliary positioning inclined plate 23 at the top of the movable positioning bracket 22.
[0035] like Figure 4 As shown, a driving cylinder 31 is fixedly connected to the top of the displacement bracket 3, a cylinder push plate 32 is fixedly connected to the front end of the driving cylinder 31, a moving push plate 33 is fixedly connected to the front end of the cylinder push plate 32, a control console 34 is fixedly connected to the outer side of the moving push plate 33, and a moving transverse groove 35 is opened at the top of the moving push plate 33.
[0036] The driving is achieved through the driving cylinder 31 inside the displacement bracket 3, and the driving cylinder 31 pushes the cylinder push plate 32 to control the moving push plate 33. The control console 34 outside the moving push plate 33 is used to achieve control and allow the motor installed inside the moving transverse groove 35 to drive the transverse base 4 to move.
[0037] like Figure 5 As shown, a transverse plate 41 is fixedly connected to the bottom end of the transverse base 4, and the transverse plate 41 is slidably connected to the inner side of the movable transverse groove 35. A connecting bracket 42 is fixedly connected to the top end of the transverse base 4. A control hanging ring 43 is installed at the front end of the connecting bracket 42. A control gear is arranged on the inner side of the control hanging ring 43. A welding head 44 is installed on the inner side of the control hanging ring 43. A control wheel 45 is rotatably connected to the inner side of the welding head 44. A steering movable bracket 46 is geared on the outer side of the control wheel 45. A welding output head 47 is fixedly connected to the bottom end of the steering movable bracket 46.
[0038] The lateral moving plate 41 at the bottom end of the lateral moving base 4 is used to realize the movement of the lateral moving base 4 inside the movable lateral groove 35. At the same time, the control gear inside the control hanging ring 43 is used to rotate to drive the welding head 44 to move roughly. At the same time, the inner side of the control wheel 45 is used to rotate and control the steering movable bracket 46, so that the steering movable bracket 46 is driven to adjust the angle of the welding output head 47.
[0039] like Figure 6 As shown, a connecting screw 51 is connected through the inner side of the LED mounting plate 5 , a fixing nut 52 is installed on the outer side of the connecting screw 51 , and the fixing nut 52 is arranged at the top of the LED mounting plate 5 , and an LED mounting hole 53 is opened at the top of the LED mounting plate 5 .
[0040] The LED mounting board 5 is fixed by the connecting screws 51 and the fixing nuts 52 on the outside of the LED mounting board 5, and the LED lamp 14 is installed through the LED mounting hole 53. During installation, a certain degree of protection is provided to prevent dust and the like from damaging the thin film circuit board 1.
[0041] When in use, the driving cylinder 31 inside the displacement bracket 3 at the rear end of the thin film circuit board 1 drives the moving push plate 33 to move, and the control console 34 controls this, and the motor installed inside the moving transverse groove 35 drives the transverse base 4 to move, and the transverse plate 41 moves inside the moving transverse groove 35 to achieve positioning movement, and at the same time, the control gear inside the control hanging ring 43 is used to rotate to drive the welding head 44 to move roughly, and at the same time, the steering moving bracket 46 is controlled by the inner rotation of the control wheel 45, so that the steering moving bracket 46 is driven to adjust the angle of the welding output head 47. When fine adjustment is required, the welding auxiliary positioning bracket 2 is driven by the moving pressure plate 21, and the auxiliary positioning inclined plate 23 is raised to drive the welding head 44 to make fine adjustments to achieve precise welding processing. The LED mounting hole 53 at the top of the LED mounting plate 5 is used to install the LED lamp 14 inside the LED mounting hole 53.
[0042] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A thin film circuit welding device, comprising a thin film circuit board (1), characterized in that: The top of the thin film circuit board (1) is provided with a plurality of soldering points (11), and the rear end of each soldering point (11) is respectively connected to a wire (12); The top of the rear end of the thin film circuit board (1) is slidably connected to a welding auxiliary positioning bracket (2), and the rear end of the welding auxiliary positioning bracket (2) is slidably connected to a displacement bracket (3); The top end of the displacement bracket (3) is fixedly connected to a driving cylinder (31), and the front end of the driving cylinder (31) is fixedly connected to a cylinder push plate (32); The top end of the welding auxiliary positioning bracket (2) is slidably connected to a transverse displacement base (4), and an LED mounting plate (5) is installed on the top of the front end of the thin film circuit board (1).
2. A thin film circuit welding device according to claim 1, characterized in that: A plurality of LED brackets (13) are fixedly connected to the inner side of the wire (12), and an LED lamp (14) is fixedly connected to the inner side of each LED bracket (13).
3. A thin film circuit welding device according to claim 1, characterized in that: The top of the welding auxiliary positioning bracket (2) is fixedly connected to a movable pressing plate (21), the top of the welding auxiliary positioning bracket (2) is fixedly connected to a movable positioning bracket (22), the top of the movable positioning bracket (22) is provided with an auxiliary positioning inclined plate (23), and the inner bottom end of the auxiliary positioning inclined plate (23) is provided with a welding groove (24).
4. A thin film circuit welding device according to claim 1, characterized in that: The front end of the cylinder push plate (32) is fixedly connected to a movable push plate (33), the outer side of the movable push plate (33) is fixedly connected to a control console (34), and the top end of the movable push plate (33) is provided with a movable transverse groove (35).
5. A thin film circuit welding device according to claim 4, characterized in that: The bottom end of the transverse moving base (4) is fixedly connected to a transverse moving plate (41), the transverse moving plate (41) is slidably connected to the inner side of the movable transverse groove (35), the top end of the transverse moving base (4) is fixedly connected to a connecting bracket (42), the front end of the connecting bracket (42) is installed with a control hanging ring (43), the inner side of the control hanging ring (43) is installed with a welding head (44), the inner side of the welding head (44) is rotatably connected to a control rotating wheel (45), the outer side of the control rotating wheel (45) is gear-connected with a steering movable bracket (46), and the bottom end of the steering movable bracket (46) is fixedly connected to a welding output head (47).
6. A thin film circuit welding device according to claim 1, characterized in that: A connecting screw (51) is connected through the inner side of the LED mounting plate (5), a fixing nut (52) is installed on the outer side of the connecting screw (51), the fixing nut (52) is arranged at the top end of the LED mounting plate (5), and an LED mounting hole (53) is opened at the top end of the LED mounting plate (5).
Citation Information
Patent Citations
Laser welding machine capable of replacing traditional fluorine welding process
CN210498808U