Automatic tin adding mechanism for electronic welding

Abstract

The utility model relates to an automatic tin adding mechanism for electronic welding, which belongs to the technical field of electronic welding and comprises a motor fixing plate, a U-shaped plate fixedly connected to the outer side of the motor fixing plate, a tin wire guide pipe fixedly connected to the outer side of the motor fixing plate, a transmission roller rotatably connected to the inside of the U-shaped plate, and sliding grooves formed in two sides of the inner wall of the U-shaped plate. The interiors of the sliding grooves are slidably connected with moving blocks, and the two ends of the interior of the U-shaped plate are in threaded connection with second threaded rods. The tin wire pulling device has the advantages that when the height of the pressing roller needs to be adjusted, the second threaded rod can be screwed to drive the moving block to slide in the corresponding sliding groove, then the height of the pressing roller can be adjusted, the pressing roller is used in cooperation with the transmission roller, and therefore tin wires of different sizes can be pulled; and therefore, automatic tin adding operation can be realized, and the practicability of the equipment is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic welding, in particular to an automatic tinning mechanism for electronic welding. Background Art

[0002] With the rapid development of the electronics industry, the competition in the electronics manufacturing industry is becoming increasingly fierce. Electronic manufacturers are increasingly in need of high-quality, high-efficiency and low-cost production to cope with the increasingly fierce competition. In the process of electronic equipment production, electronic components need to be welded to circuit boards. Electronic welding technology uses high-energy electron beams as processing heat sources, bombarding the metal at the joints of welds with high-energy density electron beams to make them melt quickly, and then quickly cool them to achieve the purpose of welding.

[0003] After searching, a Chinese patent discloses an automatic tin wire adding mechanism (authorization announcement number CN205393729U), including: a tin wire coil mounting frame for installing a tin wire coil; a tin wire guiding guide ring, which is arranged on one side of the tin wire coil mounting frame, for guiding the forward path of the tin wire; a tin wire feeding mechanism, which is arranged on one side of the tin wire guiding guide ring, for pulling the tin wire forward; a tin wire guide copper tube, including a first tin wire guide copper tube and a second tin wire guide copper tube, the first tin wire guide copper tube is arranged on one side of the tin wire guiding guide ring, and the second tin wire guide copper tube is arranged on one side of the tin wire feeding mechanism, for extending the tin wire; a driving mechanism, which is transmission-connected to the tin wire feeding mechanism. Although this patented technology can realize automatic tin wire adding, save labor, and improve work efficiency, it is also convenient for accurately controlling the amount of tin wire added.

[0004] However, the above device still has some shortcomings in actual use. The most obvious one is that the existing automatic tinning mechanism pulls the tin wire by rotating the meshing gears to achieve automatic tinning action, but the existing automatic tinning mechanism can only pull tin wire of a specific size and cannot meet the processing operation of tin wires of different sizes, thereby reducing the practicability of the equipment. Utility Model Content

[0005] In view of the problem in the prior art that the existing automatic tin adding mechanism can only pull tin wire of a specific size and cannot meet the processing operation of tin wire of different sizes, thereby reducing the practicality of the equipment, the main purpose of the utility model is to provide an automatic tin adding mechanism for electronic welding.

[0006] The technical solution of the present utility model is as follows: An automatic tin adding mechanism for electronic soldering, including a motor fixing plate, the outside of the motor fixing plate is fixedly connected with a U-shaped plate, the outside of the motor fixing plate is fixedly connected with a tin wire guiding tube, the inside of the U-shaped plate is rotatably connected with a driving roller, both sides of the inner wall of the U-shaped plate are provided with sliding grooves, the inside of the sliding grooves are all slidably connected with moving blocks, both ends inside the U-shaped plate are threadedly connected with second threaded rods, the bottom ends of the second threaded rods all extend into the inside of the sliding grooves and are rotatably connected with the moving blocks, a pressing roller is rotatably connected between the two moving blocks, and an adjusting mechanism is arranged inside the tin wire guiding tube.

[0007] By adopting the above technical solution, by screwing the second threaded rod, the moving block can be driven to slide in the corresponding sliding groove, and then the height of the pressing roller can be adjusted, and in cooperation with the driving roller, different sizes of tin wires can be pulled.

[0008] As a preferred embodiment, the adjusting mechanism includes a guiding groove opened inside the tin wire guiding tube, both ends inside the tin wire guiding tube are threadedly connected with first threaded rods, two arc-shaped plates are arranged inside the guiding groove, one end of each first threaded rod extends into the inside of the guiding groove and is rotatably connected with the corresponding arc-shaped plate, three fixing grooves are opened on the side of the two arc-shaped plates close to each other, springs are fixedly connected inside the fixing grooves, two clamping plates are arranged inside the guiding groove, and the ends of the springs away from the arc-shaped plates are fixedly connected with the clamping plates.

[0009] By adopting the above technical solution, through the arrangement of the springs and the clamping plates, the clamping plates can have a certain elastic potential energy and can be adapted to guide tin wires of different sizes.

[0010] As a preferred embodiment, a winding and unwinding roller is rotatably connected to the outside of the motor fixing plate, limiting plates are fixedly connected to both sides of the winding and unwinding roller, a tin wire coil is wound around the outside of the winding and unwinding roller, and a protective plate is fixedly connected to the side of the winding and unwinding roller away from the motor fixing plate.

[0011] By adopting the above technical solution, through the arrangement of the winding and unwinding roller, the tin wire coil wound around its outside can be released and wound.

[0012] As a preferred embodiment, a first servo motor is fixedly installed on the outside of the motor fixing plate, and the output shaft of the first servo motor penetrates through the inside of the motor fixing plate and is fixedly connected with the central axis of the winding and unwinding roller.

[0013] By adopting the above technical solution, through the rotation of the output shaft of the first servo motor, the rotation of the winding and unwinding roller can be driven.

[0014] As a preferred embodiment, a second servo motor is fixedly installed on the outer side of the U-shaped plate, and an output shaft of the second servo motor extends into the U-shaped plate and is fixedly connected to a central shaft of the transmission roller.

[0015] By adopting the above technical solution, through the arrangement of the second servo motor, the rotation of the transmission roller can be driven.

[0016] As a preferred embodiment, mounting holes are respectively formed at four corners inside the motor fixing plate, two limiting rods are slidably connected to both ends inside the solder wire guiding tube, the two limiting rods are respectively arranged on both sides of the first threaded rod, and one ends of the limiting rods extend into the guiding groove and are fixedly connected to the arc-shaped plate.

[0017] By adopting the above technical solution, the phenomenon that the arc-shaped plate rotates during movement can be avoided.

[0018] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.

[0019] 1. In the present utility model, when the height of the pressing roller needs to be adjusted, the second threaded rod can be rotated to drive the moving block to slide in the corresponding sliding groove, so that the height of the pressing roller can be adjusted, and in cooperation with the transmission roller, different-sized solder wires can be pulled, thereby realizing automatic tin adding operation, which greatly improves the practicability of the equipment.

[0020] 2. In the present utility model, by rotating the first threaded rod, the movement of the arc-shaped plate can be driven, and then the positions of the spring and the clamping plate can be adjusted, so as to play an important guiding role for the pulled solder wire, making the solder wire straightened and enter the electronic soldering device along the advancing direction. Through the arrangement of the spring and the clamping plate, the clamping plate can have a certain elastic potential energy and can be adapted to different-sized solder wires for guiding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is an overall three-dimensional view of the present application;

[0022] Figure 2 is a schematic diagram of the internal structure of the solder wire guiding tube of the present application;

[0023] Figure 3 is the present application Figure 1 an enlarged view of part A in.

[0024] Legend: 1. Motor fixing plate; 2. Tin wire guiding tube; 3. Guiding groove; 4. Sliding groove; 5. First servo motor; 6. Rewinding roller; 7. Tin wire coil; 8. Limiting plate; 9. Protection plate; 10. U-shaped plate; 11. Second servo motor; 12. Arc-shaped plate; 13. First threaded rod; 14. Limiting rod; 15. Clamping plate; 16. Fixed groove; 17. Spring; 18. Driving roller; 19. Pressing roller; 20. Second threaded rod; 21. Moving block. Detailed implementation

[0025] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0026] Refer to Figures 1-3 , an automatic tin adding mechanism for electronic welding, including a motor fixing plate 1. A U-shaped plate 10 is fixedly connected to the outside of the motor fixing plate 1. A tin wire guiding tube 2 is fixedly connected to the outside of the motor fixing plate 1. A driving roller 18 is rotatably connected to the inside of the U-shaped plate 10. Sliding grooves 4 are opened on both sides of the inner wall of the U-shaped plate 10. Moving blocks 21 are slidably connected to the inside of the sliding grooves 4. Second threaded rods 20 are threadedly connected to both ends inside the U-shaped plate 10. The bottom ends of the second threaded rods 20 extend to the inside of the sliding grooves 4 and are rotatably connected to the moving blocks 21. A pressing roller 19 is rotatably connected between the two moving blocks 21. An adjusting mechanism is arranged inside the tin wire guiding tube 2.

[0027] When it is necessary to adjust the height of the pressing roller 19, the second threaded rod 20 can be turned to drive the moving block 21 to slide in the corresponding sliding groove 4, so as to adjust the height of the pressing roller 19, and cooperate with the driving roller 18, so as to pull tin wires of different sizes, and thus realize automatic tin adding operation, greatly improving the practicability of the equipment.

[0028] Refer to Figure 2 , the adjusting mechanism includes a guiding groove 3 opened inside the tin wire guiding tube 2. First threaded rods 13 are threadedly connected to both ends inside the tin wire guiding tube 2. Two arc-shaped plates 12 are arranged inside the guiding groove 3. One end of each first threaded rod 13 extends to the inside of the guiding groove 3 and is rotatably connected to the corresponding arc-shaped plate 12. Three fixed grooves 16 are opened on the side of the two arc-shaped plates 12 close to each other. Springs 17 are fixedly connected to the inside of the fixed grooves 16. Two clamping plates 15 are arranged inside the guiding groove 3. One end of each spring 17 far from the arc-shaped plate 12 is fixedly connected to the clamping plate 15.

[0029] During use, by rotating the first threaded rod 13, the movement of the arc-shaped plate 12 can be driven, and further, the positions of the spring 17 and the clamping plate 15 can be adjusted, so that an important guiding effect can be exerted on the pulled solder wire, enabling the solder wire to be straightened and enter the electronic soldering device along the advancing direction. And through the arrangement of the spring 17 and the clamping plate 15, the clamping plate 15 can have a certain elastic potential energy and can be adapted to solder wires of different sizes for guiding operations.

[0030] Refer to Figure 1 , on the outer side of the motor fixing plate 1, a wire winding and unwinding roller 6 is rotatably connected. On both sides of the wire winding and unwinding roller 6, limiting plates 8 are fixedly connected. A solder wire coil 7 is wound around the outer side of the wire winding and unwinding roller 6. On the side of the wire winding and unwinding roller 6 away from the motor fixing plate 1, a protective plate 9 is fixedly connected.

[0031] During use, through the arrangement of the wire winding and unwinding roller 6, the solder wire coil 7 wound around its outer side can be released.

[0032] Refer to Figure 1 , on the outer side of the motor fixing plate 1, a first servo motor 5 is fixedly installed. The output shaft of the first servo motor 5 penetrates the inside of the motor fixing plate 1 and is fixedly connected to the central axis of the wire winding and unwinding roller 6.

[0033] By rotating the output shaft of the first servo motor 5, the rotation of the wire winding and unwinding roller 6 can be driven.

[0034] Refer to Figure 1 , on the outer side of the U-shaped plate 10, a second servo motor 11 is fixedly installed. The output shaft of the second servo motor 11 extends into the inside of the U-shaped plate 10 and is fixedly connected to the central axis of the driving roller 18.

[0035] By rotating the output shaft of the second servo motor 11, the rotation of the driving roller 18 can be driven, and further, the transmission of power can be realized.

[0036] Refer to Figure 1 , at the four corners inside the motor fixing plate 1, mounting holes are respectively opened. At both ends inside the solder wire guiding tube 2, two limiting rods 14 are slidably connected. The two limiting rods 14 are respectively arranged on both sides of the first threaded rod 13. One ends of the limiting rods 14 extend into the inside of the guiding groove 3 and are fixedly connected to the arc-shaped plate 12.

[0037] Through the arrangement of the limiting rods 14, the phenomenon that the arc-shaped plate 12 rotates by itself during the movement can be avoided.

[0038] Working principle: First, the head end of the solder wire coil 7 is passed through between the driving roller 18 and the pressing roller 19, then through the guiding groove 3, and extended into the electronic soldering device. When it is necessary to adjust the height of the pressing roller 19, the second threaded rod 20 can be turned to drive the moving block 21 to slide in the corresponding sliding groove 4, so as to adjust the height of the pressing roller 19, and the second servo motor 11 is started to drive the driving roller 18 to rotate and cooperate with the driving roller 18, so as to pull solder wires of different sizes, thus realizing the automatic tin adding operation and greatly improving the practicability of the device;

[0039] Among them, turning the first threaded rod 13 can drive the movement of the arc-shaped plate 12, and then drive the adjustment of the positions of the spring 17 and the clamping plate 15, so as to play an important guiding role for the pulled solder wire, making the solder wire straightened and enter the electronic soldering device along the forward direction. Through the settings of the spring 17 and the clamping plate 15, the clamping plate 15 can have a certain elastic potential energy and can adapt to solder wires of different sizes for guiding operations.

[0040] The above are only the preferred embodiments of the present application and are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic soldering mechanism for electronic welding, comprising a motor fixing plate (1), characterized in that: The outer side of the motor fixing plate (1) is fixedly connected to a U-shaped plate (10), the outer side of the motor fixing plate (1) is fixedly connected to a tin wire guide tube (2), the interior of the U-shaped plate (10) is rotatably connected to a transmission roller (18), both sides of the inner wall of the U-shaped plate (10) are provided with slide grooves (4), the interior of the slide grooves (4) is slidably connected to a moving block (21), both ends of the interior of the U-shaped plate (10) are threadedly connected to a second threaded rod (20), the bottom ends of the second threaded rod (20) extend to the interior of the slide groove (4) and are rotatably connected to the moving block (21), a pressing roller (19) is rotatably connected between the two moving blocks (21), and an adjustment mechanism is provided inside the tin wire guide tube (2).

2. The automatic soldering mechanism for electronic soldering according to claim 1, characterized in that: The adjustment mechanism comprises a guide groove (3) provided inside the tin wire guide tube (2), both ends of the inside of the tin wire guide tube (2) being threadedly connected with a first threaded rod (13), two arc-shaped plates (12) being arranged inside the guide groove (3), one end of each of the first threaded rods (13) extending into the inside of the guide groove (3) and being rotatably connected with the corresponding arc-shaped plates (12), three fixing grooves (16) being provided on the sides close to each other of the two arc-shaped plates (12), each of the fixing grooves (16) being fixedly connected with a spring (17), and two clamping plates (15) being arranged inside the guide groove (3), and one end of each of the springs (17) away from the arc-shaped plates (12) being fixedly connected with the clamping plates (15).

3. The automatic soldering mechanism for electronic soldering according to claim 1, characterized in that: The outer side of the motor fixing plate (1) is rotatably connected to a retractable roller (6), both sides of the retractable roller (6) are fixedly connected to limit plates (8), the outer side of the retractable roller (6) is wound with a tin wire coil (7), and the side of the retractable roller (6) away from the motor fixing plate (1) is fixedly connected to a protective plate (9).

4. The automatic soldering mechanism for electronic soldering according to claim 3, characterized in that: A first servo motor (5) is fixedly mounted on the outer side of the motor fixing plate (1); an output shaft of the first servo motor (5) passes through the interior of the motor fixing plate (1) and is fixedly connected to the central axis of the retractable roller (6).

5. The automatic soldering mechanism for electronic soldering according to claim 1, characterized in that: A second servo motor (11) is fixedly mounted on the outer side of the U-shaped plate (10), and an output shaft of the second servo motor (11) extends into the interior of the U-shaped plate (10) and is fixedly connected to the central axis of the transmission roller (18).

6. The automatic soldering mechanism for electronic soldering according to claim 2, characterized in that: The motor fixing plate (1) has mounting holes at four corners, and two limiting rods (14) are slidably connected to both ends of the tin wire guide tube (2). The two limiting rods (14) are respectively arranged on both sides of the first threaded rod (13), and one end of each limiting rod (14) extends into the guide groove (3) and is fixedly connected to the arc plate (12).

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