PCB welding device

Abstract

The utility model relates to the technical field of circuit board welding, in particular to a PCB welding device which comprises a base, a support is fixedly arranged on the base and comprises a vertical plate and a flat plate, a transmission mechanism is fixedly arranged on one side of the flat plate, one side of the transmission mechanism is connected with a welding module through an inclined plate, and the axis of the transmission mechanism is perpendicular to the upper surface of the base. The welding module comprises a soldering tin frame, an electric soldering bit and a wire feeding module, the electric soldering bit is vertically arranged on the soldering tin frame, the wire feeding module is arranged at the bottom end of the soldering tin frame and forms a certain angle with the electric soldering bit, and a temperature sensor is further arranged at the bottom end of the soldering tin frame. The tin feeding device has the advantages that the temperature sensor is arranged on one side of the tin feeding head to detect the temperature of a tin soldering point, and the problems of production efficiency reduction and welding quality reduction caused by temperature failure and welding head damage are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board welding, in particular to a PCB board welding device Background Art

[0002] PCB (printed circuit board) is a printed circuit board, or PCB for short, which is one of the important components of the electronics industry. Almost every electronic device, from electronic watches and calculators to computers, communication electronic equipment, and military weapon systems, as long as there are electronic components such as integrated circuits, must use printed circuit boards to make electrical interconnections between various components. The printed circuit board consists of an insulating base, connecting wires, and pads for assembling and welding electronic components. It has the dual functions of a conductive line and an insulating base. It can replace complex wiring and realize electrical connection between various components in the circuit, which not only simplifies the assembly and welding of electronic products, reduces the wiring workload under traditional methods, and greatly reduces the labor intensity of workers; it also reduces the size of the whole machine, reduces product costs, and improves the quality and reliability of electronic equipment.

[0003] In the prior art, the electronic components on the welding circuit board are arranged in advance and then transferred to the welding station for automatic welding, thereby realizing automatic welding of the printed circuit board. However, when the welding equipment fails, such as temperature control failure, welding head damage, etc., it leads to reduced production efficiency and reduced welding quality, causing economic losses to the enterprise. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a PCB board welding device to effectively solve the problems in the background technology.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a PCB board welding device, including a base, a bracket is fixedly arranged on the base, the bracket includes a vertical plate and a flat plate, a transmission mechanism is fixedly arranged on one side of the flat plate, one side of the transmission mechanism is connected to the welding module through an inclined plate, the axis of the transmission mechanism is perpendicular to the upper surface of the base, the welding module includes a solder rack, an electric soldering iron head and a wire feeding module, the electric soldering iron head is vertically arranged on the solder rack, the wire feeding module is arranged at the bottom end of the solder rack, and is arranged at a certain angle to the electric soldering iron head, and a temperature sensor is also arranged at the bottom end of the solder rack.

[0006] Furthermore, the transmission mechanism includes a fixed plate, a guide plate, a slide rail and a clamping tube, the slide rail includes a first slide rail and a second slide rail, the clamping tube includes a first clamping tube and a second clamping tube, the fixed plate is laterally fixed on the side of the flat plate facing the workbench, two of the first slide rails are arranged in parallel up and down on the side of the fixed plate facing the workbench, and the first clamping tube is in the middle of the first slide rail.

[0007] Furthermore, the guide plate is vertically arranged with the first clamping tube, and one side of the guide plate is provided with a structure engaged with the first slide rail and the first clamping tube, the second slide rail and the second clamping tube are vertically arranged on the other side of the guide plate, and a slide plate engaged with the second slide rail and the second clamping tube is provided, the side of the slide plate facing the workbench is fixedly connected to the inclined plate, and the inclined plate is arranged at a certain inclination angle with the slide plate.

[0008] Furthermore, the solder rack is rotatably connected to the inclined plate via a rotating wheel.

[0009] Furthermore, a wire feeding module and a clamping block are provided at the bottom end of the soldering rack, the clamping block is provided with a through hole, and the electric soldering iron head extends to the lower part through the through hole.

[0010] Furthermore, the wire feeding module includes an extension plate fixedly arranged at the bottom end of the solder rack, the extension plate is fixedly connected to the wire shaft, an adjustment rod is fixedly arranged on one side of the wire shaft, and the adjustment rod is provided with a solder feeding head and the temperature sensor.

[0011] Furthermore, the tin wire head of the tin feeding head and the landing point of the electric soldering iron head are at the same position.

[0012] Furthermore, a limit block is provided on the upper portion of the base.

[0013] The beneficial effect of the utility model is that a temperature sensor is arranged on one side of the tin feeding head to detect the temperature of the soldering point, thereby effectively avoiding the problem of reduced production efficiency and reduced welding quality caused by temperature failure and damage to the welding head. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the structure of a PCB board welding device in an embodiment of the utility model;

[0016] Figure 2 This is a front view of the PCB board welding device in the embodiment of the utility model;

[0017] Figure 3 This is a left view of the PCB board welding device in the embodiment of the utility model;

[0018] Figure 4 for Figure 2 Enlarged view of point A in the middle.

[0019] 1. Base; 2. Bracket; 21. Vertical plate; 22. Flat plate; 3. Transmission mechanism; 31. Fixed plate; 32. Guide plate; 33. Slide rail; 331. First slide rail; 332. Second slide rail; 34. Clamp tube; 341. First clamp tube; 342. Second clamp tube; 35. Slide plate; 4. Welding module; 41. Solder rack; 42. Electric soldering iron head; 43. Wire feeding module; 431. Extension plate; 432. Wire shaft; 433. Adjustment rod; 434. Solder feeding head; 44. Rotating wheel; 45. Clamp block; 5. Tilt plate; 6. Temperature sensor; 7. Limit block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] like Figures 1 to 4The PCB board welding device shown includes a base 1, on which a bracket 2 is fixedly arranged, the bracket 2 includes a vertical plate 21 and a flat plate 22, a transmission mechanism 3 is fixedly arranged on one side of the flat plate 22, one side of the transmission mechanism 3 is connected to a welding module 4 through an inclined plate 5, the axis of the transmission mechanism 3 is perpendicular to the upper surface of the base 1, the welding module 4 includes a solder rack 41, an electric soldering iron head 42 and a wire feeding module 43, the electric soldering iron head 42 is vertically arranged on the solder rack 41, the wire feeding module 43 is arranged at the bottom end of the solder rack 41, and is arranged at a certain angle to the electric soldering iron head 42, and a temperature sensor 6 is also arranged at the bottom end of the solder rack 41.

[0024] The implementation process of the utility model is to place the PCB board to be welded in the limit block 7 on the upper part of the base 1, and position the PCB board to be welded by the limit block 7. The transmission mechanism 3 moves on the flat plate 22. When it moves to a suitable position, the welding module 4 moves downward on the guide plate 32 along with the slide plate 35. When it moves to the welding point, the electric soldering iron head 42 melts the tin wire on the tin feeding head 434 at high temperature to weld the PCB board. When the electric soldering iron head 42 is damaged or the temperature of the electric soldering iron head 42 is too high to cause damage to the PCB board, the temperature sensor 6 will feed back the alarm information to the system, and the operator can quickly replace the new electric soldering iron head 42 or adjust the temperature to keep the welding equipment working.

[0025] In the present invention, the transmission mechanism 3 includes a fixed plate 31, a guide plate 32, a slide rail 33 and a clamping tube 34. The slide rail 33 includes a first slide rail 331 and a second slide rail 332. The clamping tube 34 includes a first clamping tube 341 and a second clamping tube 342. The fixed plate 31 is transversely fixedly arranged on the side of the flat plate 22 facing the workbench. Two first slide rails 331 are arranged in parallel up and down on the side of the fixed plate 31 facing the workbench. The first clamping tube 341 is in the middle of the first slide rail 331. Through the arrangement of the fixed plate 31, the guide plate 32, the slide rail 33 and the clamping tube 34, it can be ensured that the transmission mechanism 3 has sufficient stability during operation, reduce vibration and deviation, and improve working accuracy. The guide plate 32 is vertically arranged with the first clamping tube 341, and the guide plate 32 The vertical setting can ensure the correct guidance of the clamping tube 34 and the slide rail 33, making the transmission process smoother and more accurate. Through the setting of the first slide rail 331 and the second slide rail 332, the division of labor of different components in the transmission process can be realized, and the work efficiency and accuracy can be improved. One side of the guide plate 32 is provided with a structure meshing with the first slide rail 331 and the first clamping tube 341, the second slide rail 332 and the second clamping tube 342 are vertically arranged on the other side of the guide plate 32, and a slide plate 35 meshing with the second slide rail 332 and the second clamping tube 342 is provided. The side of the slide plate 35 facing the workbench is fixedly connected to the inclined plate, and the inclined plate 5 is set at a certain inclination angle with the slide plate 35, which is helpful to adjust the motion trajectory or angle of the transmission mechanism to meet work requirements.

[0026] In this solution, in order to flexibly adjust the angle of the solder rack 41 , the solder rack 41 is rotatably connected to the inclined plate 5 via a rotating wheel 44 .

[0027] In a preferred embodiment of the utility model, a wire feeding module 43 and a clamping block 45 are provided at the bottom end of the soldering rack 41. The clamping block 45 is provided with a through hole, and the electric soldering iron head 42 extends to the lower part through the through hole. The through hole design of the clamping block 45 can ensure that the electric soldering iron head 42 maintains a stable position during the welding process, reduces shaking and position deviation, and is beneficial to the accuracy and reliability of welding. At the same time, through the arrangement of the wire feeding module 43 and the clamping block 45, the soldering rack 41 can conveniently guide the solder wire, making the welding process smoother and more efficient. The wire feeding module 43 includes an extension plate 431 fixedly arranged at the bottom end of the soldering rack 41, and the extension plate 431 is fixedly connected to the wire shaft 432, and one side of the wire shaft 432 is fixedly provided with An adjusting rod 433 is provided with a tin feeding head 434 and a temperature sensor 6. The setting of the temperature sensor 6 can monitor the temperature of the electric soldering iron tip 42 to ensure that the temperature is stable during the welding process, thereby improving the welding quality and avoiding problems caused by overheating or overcooling of the soldering iron. The design of the adjusting rod 433 and the tin feeding head 434 in the wire feeding module 43 can conveniently adjust the feeding speed and position of the solder wire to meet different welding needs and process requirements. The tin wire head of the tin feeding head 434 and the landing point of the electric soldering iron tip 42 are at the same position. The design of the tin feeding head 434 makes the tin wire head and the landing point of the electric soldering iron tip 42 have the same position, which helps to control the feeding position of the solder and improve the welding accuracy and reliability.

[0028] In order to ensure the accuracy of positioning the PCB board to be welded, a limit block 7 is provided on the upper part of the base 1.

[0029] Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A PCB board welding device, comprising a base (1), characterized in that: A bracket (2) is fixedly arranged on the base (1), the bracket (2) comprising a vertical plate (21) and a flat plate (22), a transmission mechanism (3) is fixedly arranged on one side of the flat plate (22), one side of the transmission mechanism (3) is connected to a welding module (4) via an inclined plate (5), the axis of the transmission mechanism (3) is perpendicular to the upper surface of the base (1), the welding module (4) comprises a soldering frame (41), an electric soldering iron head (42) and a wire feeding module (43), the electric soldering iron head (42) is vertically arranged on the soldering frame (41), the wire feeding module (43) is arranged at the bottom end of the soldering frame (41) and is arranged at a certain angle to the electric soldering iron head (42), and a temperature sensor (6) is also arranged at the bottom end of the soldering frame (41).

2. The PCB board welding device according to claim 1, characterized in that: The transmission mechanism (3) comprises a fixed plate (31), a guide plate (32), a slide rail (33) and a clamping tube (34); the slide rail (33) comprises a first slide rail (331) and a second slide rail (332); the clamping tube (34) comprises a first clamping tube (341) and a second clamping tube (342); the fixed plate (31) is transversely fixedly arranged on a side of the flat plate (22) facing the workbench; two first slide rails (331) are arranged in parallel up and down on a side of the fixed plate (31) facing the workbench; and the first clamping tube (341) is in the middle of the first slide rail (331).

3. The PCB board welding device according to claim 2, characterized in that: The guide plate (32) is vertically arranged with the first clamping tube (341), and a structure meshing with the first slide rail (331) and the first clamping tube (341) is provided on one side of the guide plate (32). The second slide rail (332) and the second clamping tube (342) are vertically arranged on the other side of the guide plate (32), and a slide plate (35) meshing with the second slide rail (332) and the second clamping tube (342) is provided. The side of the slide plate (35) facing the workbench is fixedly connected with the inclined plate (5), and the inclined plate (5) and the slide plate (35) are arranged at a certain inclination angle.

4. The PCB board welding device according to claim 1, characterized in that: The solder rack (41) is rotatably connected to the inclined plate (5) via a rotating wheel (44).

5. The PCB board welding device according to claim 1, characterized in that: The bottom end of the solder rack (41) is provided with a wire feeding module (43) and a clamping block (45); the clamping block (45) is provided with a through hole, and the electric soldering iron head (42) passes through the through hole and extends to the lower part.

6. The PCB board welding device according to claim 5, characterized in that: The wire feeding module (43) comprises an extension plate (431) fixedly arranged at the bottom end of the solder rack (41), the extension plate (431) being fixedly connected to a wire shaft (432), an adjustment rod (433) being fixedly arranged on one side of the wire shaft (432), and a solder feeding head (434) and the temperature sensor (6) being arranged on the adjustment rod (433).

7. The PCB board welding device according to claim 6, characterized in that: The tin wire head of the tin feeding head (434) and the landing point of the electric soldering iron head (42) are at the same position.

8. The PCB board welding device according to claim 1, characterized in that: A limiting block (7) is provided on the upper part of the base (1).

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