Precise welding device for communication connector pins

Abstract

The invention provides a precise welding device for communication connector pins, and relates to the technical field of connector welding, the precise welding device comprises a welding workbench and a connector circuit board, the connector circuit board is located on the welding workbench, and the welding workbench is provided with a supporting mechanism facilitating precise welding of the connector circuit board. The supporting mechanism comprises a welding base, a movable block, an adjusting air cylinder and an arc-shaped mounting block, and the welding base is fixedly mounted at the upper end of the welding workbench. According to the invention, through the cooperation of the adjusting cylinders capable of single-point adjustment, the cylinder controllers and the spherical hinge pieces, a user can control the single cylinder controller in a targeted manner according to the actual distribution condition of pins on the connector circuit board, and the cylinder controllers can accurately drive the corresponding adjusting cylinders to stretch out and draw back; therefore, after the connector circuit board is fixed, the inclination adjustment can still be flexibly carried out, and the welding requirements of the pins at special positions such as edges, corners or sheltered positions can be met.

Description

Technical Field

[0001] This invention belongs to the field of connector welding technology, and more specifically, relates to a precision welding apparatus for communication connector pins. Background Technology

[0002] Communication connectors are key interface components that enable signal transmission, data interaction, and power supply between various communication devices, electronic terminals, and related components. They establish a connection between metal pins and corresponding pads on the circuit board and are core basic components that ensure the normal operation of communication systems. Communication connector pin soldering is a precision machining process that fuses the metal pins of the connector to the pads on the circuit board using solder. It is necessary to achieve precise alignment and a stable connection between the pins and the pads. Its core function is to build a reliable electrical conduction path, while providing a certain mechanical connection strength to resist the effects of environmental factors such as vibration and temperature changes.

[0003] The Chinese patent publication number is CN114147412A, which discloses a welding machine for welding the pins of thin film capacitors. In this invention, four contact switches intermittently contact four arc-shaped conductive blocks, allowing the electric hydraulic rod to intermittently extend and retract, and enabling the welding iron mechanism to weld different thin film capacitors, thereby improving the efficiency of production and processing.

[0004] Existing communication connector components have the following disadvantages when pin soldering:

[0005] 1. Existing devices for soldering communication connector pins are mostly horizontally fixed structures. When the pins of the connector circuit board are located at the edge, corner, or are obstructed, and a specific tilt angle is required to allow the soldering gun to accurately contact the pin and pad joint, the existing devices cannot adjust the angle. This results in poor adaptability to such specific soldering scenarios, leading to inconvenience in soldering or issues such as cold solder joints and solder bridging, which affect the soldering quality.

[0006] 2. If the soldering angle is found to be unsuitable or the fixing position needs to be adjusted after the existing device fixes the connector circuit board, the fixing structure must be disassembled first, and then the fixing must be re-fixed after the adjustment is completed. The whole process is cumbersome, time-consuming and labor-intensive, and affects the soldering efficiency.

[0007] In view of this, we have studied and improved the existing structure and its shortcomings, and provided a precision soldering device for communication connector pins in order to achieve a practical purpose. Summary of the Invention

[0008] To address the aforementioned technical problems, this invention provides a precision soldering apparatus for communication connector pins.

[0009] A precision soldering apparatus for communication connector pins includes a soldering worktable and a connector circuit board. The connector circuit board is located on the soldering worktable, which is provided with a support mechanism to facilitate precision soldering of the connector circuit board. The support mechanism includes a soldering base, movable blocks, adjusting cylinders, and arc-shaped mounting blocks. The soldering base is fixedly mounted on the upper end of the soldering worktable, each movable block is located on the upper end of the soldering base, each adjusting cylinder is fixedly mounted on the upper end of the movable block, and each arc-shaped mounting block is located on the upper end of the adjusting cylinder. A soldering controller is provided at the lower end of the soldering worktable, and a soldering torch is fixedly mounted on the side end of the soldering controller. A flow divider is fixedly mounted at the lower end of the soldering worktable. An air pump is fixedly installed at the lower end of the distributor. Four fixing blocks are fixedly installed at the upper end of the welding base. The fixing blocks are arranged in pairs. A guide crossbar is fixedly installed between each pair of fixing blocks. A double-ended screw is rotatably installed between each pair of fixing blocks. A handle is fixedly installed at the circumferential end of the double-ended screw. A cylinder controller is fixedly installed at the side end of each movable block. A threaded groove and a guide slide groove are opened through the side end of each movable block. Each movable block is slidably installed on the guide crossbar through the guide slide groove. Each double-ended screw is rotatably installed on the inner side wall of the threaded groove. A connecting platform is fixedly installed at the upper end of each adjusting cylinder. A spherical hinge is fixedly installed at the upper end of each connecting platform.

[0010] Preferably, an anti-static chuck is fixedly installed at the upper end of each of the spherical hinges, an air supply pipe is fixedly installed through the side end of each of the anti-static chucks, and the end of each of the air supply pipes is fixedly installed on the distributor.

[0011] Preferably, each of the arc-shaped mounting blocks is fixedly mounted on the upper end of the spherical hinge, and a telescopic rod is fixedly mounted on the side end of each of the arc-shaped mounting blocks, with a level fixedly mounted between every two telescopic rods.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In this invention, by employing a single-point adjustable cylinder and cylinder controller, along with a spherical hinge, the user can selectively operate a single cylinder controller based on the actual pin distribution on the connector circuit board. The cylinder controller precisely drives the corresponding adjustable cylinder to extend and retract. The spherical hinge can rotate flexibly in any direction. When adjusting the height by extending and retracting the cylinder, the anti-static suction cup is always fully in contact with the bottom of the connector circuit board, preventing suction failure. This allows the connector circuit board to be flexibly tilted even after it is fixed, facilitating the soldering needs of pins in special locations such as edges, corners, or obstructed areas. It also allows the soldering gun to form an ideal soldering angle with the pin and pad, ensuring the soldering accuracy of these special locations.

[0014] In this invention, a multi-point anti-static chuck, an adjusting cylinder, and a spherical hinge are used in conjunction. The four anti-static chucks correspond to the four corners of the connector circuit board, forming a balanced adsorption force point. During the tilt adjustment, the spherical hinge rotates synchronously with the extension and retraction of the adjusting cylinder, ensuring that each anti-static chuck is always tightly attached to the board and avoiding local loosening. This effectively reduces the possibility of the connector circuit board lifting due to uneven force or weak adsorption during the welding process, ensuring the connection stability between the solder joint and the circuit board and pins, and improving the overall welding quality.

[0015] In this invention, a synchronously tilting level, an arc-shaped mounting block, and a telescopic rod are used in conjunction. The arc-shaped mounting block is fixedly connected to a spherical hinge, allowing it to move synchronously with the spherical hinge. This, in turn, causes the telescopic rod and the level to tilt synchronously. The level can visually reflect the state of the connector circuit board, allowing users to quickly determine whether the connector circuit board is level by observing the position of the bubble or the scale on the level. This allows for timely correction of level deviations before soldering. At the same time, during tilt adjustment, it also helps users accurately control the tilt angle, avoiding readjustment due to improper angles and facilitating precise and efficient soldering operations.

[0016] In this invention, an adjustable movable block, a double-headed screw, and a guide crossbar are used in conjunction. The threads at both ends of the double-headed screw are in opposite directions. When rotated, the movable blocks on both sides can slide smoothly along the guide crossbar. The guide crossbar effectively limits the sliding direction of the movable blocks to prevent deviation, thereby precisely adjusting the distance between the four anti-static suction cups. This facilitates the fixing of connector circuit boards of different lengths and widths, ensuring that the four corners of connector circuit boards of different sizes are supported accordingly. There is no need to customize special fixing fixtures for circuit boards of different specifications, expanding the adaptability of the device and improving its versatility and ease of use.

[0017] In this invention, an anti-static chuck is used in conjunction with an air pump, a distributor, and air delivery pipes. After the air pump is activated, it generates a stable negative pressure. This negative pressure is evenly distributed by the distributor and then delivered to the corresponding anti-static chuck through four independent air delivery pipes. This creates a stable negative pressure environment inside each anti-static chuck, resulting in a uniform and stable negative pressure adsorption on the bottom of the connector circuit board. This improves the fixation effect of the connector circuit board and prevents misalignment between pins and pads due to slight displacement of the circuit board during soldering, ensuring soldering accuracy. Simultaneously, the anti-static chuck reduces the impact of static electricity on the precision components on the connector circuit board, further protecting the circuit board and components. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the welding workbench structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the welding controller of the present invention;

[0021] Figure 4 This is a schematic diagram of the welding base of the present invention;

[0022] Figure 5 This is a schematic diagram of the structure of the level ruler of the present invention;

[0023] Figure 6 This is a schematic diagram of the structure of the active block of the present invention;

[0024] Figure 7 This is a schematic diagram of the structure of the antistatic chuck of the present invention;

[0025] Figure 8 This is a schematic diagram of the structure of the regulating cylinder of the present invention.

[0026] In the diagram, the correspondence between the component names and the attached drawing numbers is as follows: 1. Welding workbench; 11. Welding controller; 12. Welding torch; 13. Diverter; 14. Air pump; 2. Welding base; 21. Fixing block; 22. Double-ended screw; 23. Guide crossbar; 24. Handle; 3. Connector circuit board; 4. Movable block; 41. Cylinder controller; 42. Guide slide; 43. Threaded groove; 5. Adjusting cylinder; 51. Connecting platform; 52. Spherical hinge; 53. Anti-static chuck; 54. Air supply pipe; 6. Arc-shaped mounting block; 61. Telescopic rod; 62. Level. Detailed Implementation

[0027] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.

[0028] Please see Figure 1 - Figure 8 This invention provides a precision soldering device for communication connector pins, including a soldering workbench 1 and a connector circuit board 3. The connector circuit board 3 is located on the soldering workbench 1, which is equipped with a support mechanism to facilitate precision soldering of the connector circuit board 3. During soldering, the position of the movable block 4 on the soldering base 2 is adjusted, and the double-ended screw 22 is rotated to drive the movable block 4 to slide along the guide bar 23, so that the distribution spacing of the four anti-static chucks 53 is adapted to the size of the connector circuit board 3, ensuring that the four corners of the circuit board can be evenly supported. Then, the connector circuit board 3 is placed stably. On the four anti-static suction cups 53, the air pump 14 is started to fix the connector circuit board 3 by negative pressure adsorption. Then, the connector circuit board 3 is checked and confirmed to be horizontal by using a level 62. If there is a slight tilt, it can be corrected by fine-tuning a single adjusting cylinder 5. During the welding process, if the pin position is special and the welding gun 12 is difficult to operate, the extension and retraction of the corresponding adjusting cylinder 5 can be adjusted by the cylinder controller 41 to make the connector circuit board 3 form an angle that is easy to weld. After the angle is stable, the welding controller 11 controls the welding gun 12 to approach the joint between the pin and the pad to complete the welding operation of the communication connector pin.

[0029] The support mechanism includes a welding base 2, movable blocks 4, adjusting cylinders 5, and arc-shaped mounting blocks 6. The welding base 2 is fixedly installed on the upper end of the welding workbench 1. Each movable block 4 is located on the upper end of the welding base 2. Each adjusting cylinder 5 is fixedly installed on the upper end of the movable block 4. Each arc-shaped mounting block 6 is located on the upper end of the adjusting cylinder 5. A welding controller 11 is provided at the lower end of the welding workbench 1. A welding torch 12 is fixedly installed on the side end of the welding controller 11. A flow divider 13 is fixedly installed at the lower end of the welding workbench 1. An air pump 14 is fixedly installed at the lower end of the flow divider 13. Four fixing blocks 21 are fixedly installed on the upper end of the welding base 2. The fixing blocks 21 are arranged in pairs. A guide crossbar 23 is fixedly installed between each pair of fixing blocks 21. A double-headed screw 22 is rotatably mounted between each set of fixed blocks 21. A handle 24 is fixedly mounted on the circumferential end of the double-headed screw 22. Before the connector circuit board 3 is soldered, the connector circuit board 3 can be fixed. The user manually rotates the handle 24 at the end of the double-headed screw 22. Since the threads at both ends of the double-headed screw 22 are opposite and are adapted to the thread groove 43 of the movable block 4, and the movable block 4 is sleeved on the guide crossbar 23 through the guide slide 42, the guide crossbar 23 limits the sliding direction of the movable block 4. Therefore, when the double-headed screw 22 rotates, it will drive the movable blocks 4 on both sides to move closer or further away from each other along the guide crossbar 23 until the distribution position of the four anti-static chucks 53 is exactly adapted to the size of the connector circuit board 3 to be soldered.

[0030] Each movable block 4 has a cylinder controller 41 fixedly installed on its side end. Each movable block 4 has a threaded groove 43 and a guide groove 42 extending through its side end. Each movable block 4 is slidably mounted on the guide crossbar 23 via the guide groove 42. Each double-ended screw 22 is threadedly rotatably mounted on the inner side wall of the threaded groove 43. Each adjusting cylinder 5 has a connecting platform 51 fixedly installed on its upper end. Each connecting platform 51 has a spherical hinge 52 fixedly installed on its upper end. Each spherical hinge 52 has an anti-static suction cup 53 fixedly installed on its upper end. Each anti-static suction cup 53 has an air supply pipe 54 fixedly installed through its side end. The end of each air supply pipe 54 is fixedly installed on the distributor 13. Then, the connector circuit board 3 is placed stably on the four anti-static suction cups 53, ensuring that the bottom of the circuit board can fully contact each anti-static suction cup 53. The air pump 14 is started. After the air pump 14 is started, it generates a stable negative pressure. After the negative pressure is split by the distributor 13, it is delivered to the corresponding anti-static suction cup 53 through the four independent air supply pipes 54. This creates a negative pressure environment inside the anti-static suction cup 53, which firmly adsorbs the bottom of the connector circuit board 3, thus achieving a stable fixation of the connector circuit board 3 before welding and avoiding displacement of the circuit board during subsequent welding process, which would affect the welding accuracy.

[0031] Each arc-shaped mounting block 6 is fixedly mounted on the upper end of the spherical hinge 52. A telescopic rod 61 is fixedly mounted on the side end of each arc-shaped mounting block 6. A level 62 is fixedly mounted between every two telescopic rods 61. When the pins of the connector circuit board 3 are distributed at the edge or corner of the board, or when some pins are obscured by the connector body, the welding angle of the welding torch 12 is limited under normal horizontal welding conditions. It is difficult to form an ideal welding angle with the pins and pads, easily leading to solder bridging, cold solder joints, and other issues affecting welding quality. Therefore, it is necessary to tilt the connector circuit board 3 for welding. The user determines the required tilt direction based on actual welding needs, selects the corresponding single cylinder controller 41, and operates it. After receiving the operation command, the cylinder controller 41 controls the corresponding adjusting cylinder 5 to retract. When the adjusting cylinder 5 retracts, the height of its output end decreases accordingly. The upper end of 5 is fixedly connected to the ball joint 52 via the connecting platform 51. The ball joint 52 can rotate flexibly in any direction, so that even if the height changes due to the retraction of the adjusting cylinder 5, the anti-static suction cup 53 can still maintain full contact with the bottom of the connector circuit board 3, avoiding adsorption failure due to tilting. At the same time, the retraction of one side of the adjusting cylinder 5 will drive the ball joint 52 connected to it to move down synchronously. The arc-shaped mounting block 6 fixed at the upper end of the ball joint 52 will also move down accordingly. The telescopic rod 61 connected to the arc-shaped mounting block 6 will tilt with the displacement of the arc-shaped mounting block 6, and the level 62 fixed between the telescopic rods 61 will tilt synchronously with the telescopic rods 61. The user can intuitively judge the degree of tilt of the connector circuit board 3 by observing the scale or bubble position on the level 62. After adjusting to the angle that allows the welding gun 12 to smoothly contact the target pin, the adjustment can be stopped, and the welding gun 12 can be operated to continue the welding operation.

[0032] Working principle:

[0033] In the first step, when soldering the connector circuit board 3, the position of the movable block 4 on the soldering base 2 is adjusted, and the double-headed screw 22 is rotated to drive the movable block 4 to slide along the guide bar 23. This ensures that the distribution spacing of the four anti-static suction cups 53 is adapted to the size of the connector circuit board 3, ensuring that the four corners of the circuit board can be evenly supported. Then, the connector circuit board 3 is placed stably on the four anti-static suction cups 53, and the air pump 14 is started to fix it by negative pressure adsorption. Then, the level 62 is used to observe and confirm whether the connector circuit board 3 is in a horizontal state. If there is a slight tilt, it can be corrected by fine-tuning a single adjusting cylinder 5. During the soldering process, if the pin position is special and makes it difficult for the soldering gun 12 to work, the extension and retraction of the corresponding adjusting cylinder 5 can be adjusted by the cylinder controller 41 to make the connector circuit board 3 form an angle that is easy to solder. After the angle is stable, the soldering controller 11 controls the soldering gun 12 to approach the junction of the pin and the pad to complete the soldering operation of the communication connector pin.

[0034] The second step involves fixing the connector circuit board 3 before soldering. The user manually rotates the handle 24 at the end of the double-ended screw 22. Since the threads at both ends of the double-ended screw 22 are opposite and match the threaded groove 43 of the movable block 4, and the movable block 4 is fitted onto the guide crossbar 23 via the guide groove 42, the guide crossbar 23 limits the sliding direction of the movable block 4. Therefore, when the double-ended screw 22 rotates, it will drive the movable blocks 4 on both sides to move closer or further apart along the guide crossbar 23 until the distribution positions of the four anti-static chucks 53 are exactly matched to the connection to be soldered. The size of the connector circuit board 3 is determined, and then the connector circuit board 3 is placed stably on four anti-static suction cups 53 to ensure that the bottom of the circuit board can fully contact each anti-static suction cup 53. The air pump 14 is started, and the air pump 14 generates a stable negative pressure. After the negative pressure is split by the distributor 13, it is delivered to the corresponding anti-static suction cup 53 through four independent air supply pipes 54, so that a negative pressure environment is formed inside the anti-static suction cup 53, which firmly adsorbs the bottom of the connector circuit board 3, so as to achieve a stable fixation of the connector circuit board 3 before welding and avoid the circuit board from shifting during the subsequent welding process, which would affect the welding accuracy.

[0035] This application utilizes an adjustable movable block 4, a double-headed screw 22, and a guide bar 23. The threads of the double-headed screw 22 are opposite at both ends. When rotated, the movable blocks 4 on both sides slide smoothly along the guide bar 23. The guide bar 23 effectively limits the sliding direction of the movable blocks 4 to prevent deviation, thereby precisely adjusting the distance between the four anti-static chucks 53. This facilitates the fixing of connector circuit boards 3 of different lengths and widths, ensuring that the four corners of connector circuit boards 3 of different sizes are supported accordingly. There is no need to customize special fixing fixtures for circuit boards of different specifications, thus expanding the applicability range of the device and improving its versatility and ease of use.

[0036] This application utilizes an anti-static chuck 53 in conjunction with an air pump 14, a distributor 13, and air delivery pipes 54. After the air pump 14 is activated, it generates a stable negative pressure. This negative pressure is evenly distributed by the distributor 13 and then transmitted to the corresponding anti-static chuck 53 through four independent air delivery pipes 54. This creates a stable negative pressure environment inside each anti-static chuck 53, thereby forming a uniform and stable negative pressure adsorption on the bottom of the connector circuit board 3. This improves the fixation effect of the connector circuit board 3, preventing misalignment between pins and pads due to slight displacement of the circuit board during soldering, and ensuring soldering accuracy. Simultaneously, the anti-static chuck 53 reduces the impact of static electricity on the precision components on the connector circuit board 3, further protecting the circuit board and components.

[0037] Thirdly, when the pins of the connector circuit board 3 are distributed at the edge or corner of the board, or some pins are blocked by the connector body, the welding angle of the soldering gun 12 is limited under normal horizontal soldering conditions, making it difficult to form an ideal welding angle with the pins and pads. This can easily lead to solder bridging, cold solder joints, and other issues affecting soldering quality. In such cases, the connector circuit board 3 needs to be tilted for soldering. The user determines the direction to be tilted based on the actual soldering requirements, selects the corresponding single cylinder controller 41, and operates it. After receiving the operation command, the cylinder controller 41 controls the corresponding adjusting cylinder 5 to retract. When the adjusting cylinder 5 on that side retracts, the height of its output end decreases accordingly. Since the upper end of the adjusting cylinder 5 is fixedly connected to the ball joint 52 through the connecting platform 51, the ball joint 52 can move along any... The adjustable cylinder 5 can rotate flexibly, so that even if the height changes due to the retraction of the adjusting cylinder 5, the anti-static suction cup 53 can still maintain full contact with the bottom of the connector circuit board 3, avoiding adsorption failure due to tilting. At the same time, the retraction of one side of the adjusting cylinder 5 will drive the ball joint 52 connected to it to move down synchronously. The arc-shaped mounting block 6 fixed at the upper end of the ball joint 52 will also move down accordingly. The telescopic rod 61 connected to the arc-shaped mounting block 6 will tilt with the displacement of the arc-shaped mounting block 6. The level 62 fixed between the telescopic rods 61 will tilt synchronously with the telescopic rods 61. The user can intuitively judge the degree of tilt of the connector circuit board 3 by observing the scale or bubble position on the level 62. After adjusting to the angle that allows the welding gun 12 to smoothly contact the target pin, the adjustment can be stopped and the welding gun 12 can be operated to continue the welding operation.

[0038] This application utilizes a single-point adjustable cylinder 5, a cylinder controller 41, and a spherical hinge 52. Users can precisely control a single cylinder controller 41 based on the actual pin distribution on the connector circuit board 3. The cylinder controller 41 accurately drives the corresponding adjustable cylinder 5 to extend and retract. The spherical hinge 52 can rotate flexibly in any direction. When the adjustable cylinder 5 extends and retracts to change its height, the anti-static suction cup 53 is always fully attached to the bottom of the connector circuit board 3, preventing suction failure. This allows the connector circuit board 3 to be flexibly tilted even after being fixed, facilitating welding needs in special locations such as edges, corners, or obstructed areas. It also allows the welding torch 12 to form an ideal welding angle with the pin and pad, ensuring welding accuracy in these special locations.

[0039] This application utilizes a multi-point anti-static chuck 53, an adjusting cylinder 5, and a spherical hinge 52. The four anti-static chucks 53 correspond to the four corners of the connector circuit board 3, forming a balanced adsorption force point. During tilt adjustment, the spherical hinge 52 rotates synchronously with the extension and retraction of the adjusting cylinder 5, ensuring that each anti-static chuck 53 is always tightly attached to the board, avoiding local loosening. This effectively reduces the possibility of the connector circuit board 3 warping due to uneven force or weak adsorption during the welding process, ensuring the connection stability between the solder joint and the circuit board and pins, and improving the overall welding quality.

[0040] This application incorporates a synchronously tilting level 62, an arc-shaped mounting block 6, and a telescopic rod 61. The arc-shaped mounting block 6 is fixedly connected to a spherical hinge 52, allowing it to move synchronously with the spherical hinge 52. This, in turn, causes the telescopic rod 61 and the level 62 to tilt synchronously. The level 62 visually reflects the state of the connector circuit board 3, enabling users to quickly determine whether the connector circuit board 3 is level by observing the position of the bubble or the scale on the level 62. This allows for timely correction of level deviations before soldering. Simultaneously, during tilt adjustment, it also assists users in accurately controlling the tilt angle, avoiding readjustment due to improper angles, and facilitating precise and efficient soldering operations.

[0041] The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A precision soldering apparatus for communication connector pins, comprising a soldering worktable (1) and a connector circuit board (3), the connector circuit board (3) being located on the soldering worktable (1), characterized in that: The welding workbench (1) is provided with a support mechanism to facilitate precision welding of the connector circuit board (3); The support mechanism includes a welding base (2), a movable block (4), an adjusting cylinder (5), and an arc-shaped mounting block (6). The welding base (2) is fixedly installed on the upper end of the welding workbench (1). Each movable block (4) is located on the upper end of the welding base (2). Each adjusting cylinder (5) is fixedly installed on the upper end of the movable block (4). Each arc-shaped mounting block (6) is located on the upper end of the adjusting cylinder (5).

2. The precision soldering apparatus for communication connector pins as described in claim 1, characterized in that, The lower end of the welding workbench (1) is provided with a welding controller (11), and a welding gun (12) is fixedly installed on the side end of the welding controller (11).

3. The precision soldering apparatus for communication connector pins as described in claim 2, characterized in that, A flow divider (13) is fixedly installed at the lower end of the welding workbench (1), and an air pump (14) is fixedly installed at the lower end of the flow divider (13).

4. The precision soldering apparatus for communication connector pins as described in claim 3, characterized in that, Four fixing blocks (21) are fixedly installed at the upper end of the welding base (2). The fixing blocks (21) are in groups of two, and a guide crossbar (23) is fixedly installed between each group of fixing blocks (21).

5. The precision soldering apparatus for communication connector pins as described in claim 4, characterized in that, A double-headed screw (22) is rotatably mounted between each set of fixed blocks (21), and a handle (24) is fixedly mounted on the circumferential end of the double-headed screw (22).

6. The precision soldering apparatus for communication connector pins as described in claim 5, characterized in that, A cylinder controller (41) is fixedly installed on the side end of each of the movable blocks (4), and a threaded groove (43) and a guide groove (42) are opened through the side end of each of the movable blocks (4).

7. The precision soldering apparatus for communication connector pins as described in claim 6, characterized in that, Each of the movable blocks (4) is slidably mounted on the guide crossbar (23) via the guide groove (42), and each of the double-headed screws (22) is screwed and rotated on the inner side wall of the threaded groove (43).

8. The precision soldering apparatus for communication connector pins as described in claim 7, characterized in that, Each of the regulating cylinders (5) has a connecting platform (51) fixedly installed at its upper end, and each of the connecting platforms (51) has a spherical hinge (52) fixedly installed at its upper end.

9. The precision soldering apparatus for communication connector pins as described in claim 8, characterized in that, Each of the spherical hinges (52) is fixedly mounted with an antistatic chuck (53) at its upper end, and each of the antistatic chucks (53) is fixedly mounted with an air supply pipe (54) through its side end. The end of each of the air supply pipes (54) is fixedly mounted on the distributor (13).

10. The precision soldering apparatus for communication connector pins as described in claim 9, characterized in that, Each of the arc-shaped mounting blocks (6) is fixedly mounted on the upper end of the spherical hinge (52), and each of the arc-shaped mounting blocks (6) is fixedly mounted on the side end of a telescopic rod (61). A level (62) is fixedly mounted between every two telescopic rods (61).

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