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CN-121988825-A - High-speed wire welding alignment device and welding alignment method for AI server

CN121988825ACN 121988825 ACN121988825 ACN 121988825ACN-121988825-A

Abstract

The invention relates to the technical field of manufacturing of artificial intelligent servers, in particular to a high-speed wire welding alignment device and a welding alignment method for an AI server, wherein the welding alignment device comprises a welding mechanism, a supporting mechanism and an alignment mechanism movably arranged relative to the supporting mechanism, the supporting mechanism is arranged on one side of the welding mechanism and used for supporting a welding pad to be welded, the alignment mechanism comprises an alignment driving assembly and an alignment correction piece arranged at the output end of the alignment driving assembly, the alignment correction piece is provided with a positioning datum line, the alignment driving assembly is used for driving the alignment correction piece to move, the positioning datum line is moved to a preset alignment position suitable for clamping a wire to be welded corresponding to the welding pad, the alignment correction piece is controlled to clamp the wire to be welded to carry out position correction on the wire to be welded, so that the conductor end of the wire to be welded is positioned at the central position of the welding pad to be welded, and the wire to be welded after the positioning correction is used for carrying out welding treatment on the welding pad to be welded.

Inventors

  • YAO TIANJIN
  • JIANG LIYE
  • WANG WEI

Assignees

  • 东莞市三信精密机械有限公司

Dates

Publication Date
20260508
Application Date
20260401

Claims (10)

  1. 1. The high-speed wire welding alignment device for the AI server comprises a welding mechanism (1) and is characterized by further comprising a supporting mechanism (2) and an alignment mechanism (3) movably arranged relative to the supporting mechanism (2), wherein the supporting mechanism (2) is arranged on one side of the welding mechanism (1) and is used for supporting a welding pad (100) to be welded, the alignment mechanism (3) comprises an alignment driving assembly (31) and an alignment correction piece (32) arranged at the output end of the alignment driving assembly (31), and the alignment correction piece (32) is provided with a positioning datum line; The alignment driving assembly (31) is used for driving the alignment correction piece (32) to move, enabling the positioning reference line to move to a preset alignment position suitable for clamping the to-be-welded wire (200) corresponding to the to-be-welded bonding pad (100), controlling the alignment correction piece (32) to clamp the to-be-welded wire (200) to correct the position of the shifted to-be-welded wire (200) so that the conductor end (201) of the to-be-welded wire (200) is located at the central position of the to-be-welded bonding pad (100), and enabling the welding mechanism (1) to be used for welding the to-be-welded bonding pad (100) and the to-be-welded wire (200) after position correction.
  2. 2. The high-speed wire bonding alignment device for AI server as set forth in claim 1, wherein the predetermined alignment position is a theoretical symmetry line of the wire (200) to be bonded parallel to a bearing surface of a bonding pad, the positioning reference line is a center line (322) of a clamping space formed by the alignment correction member (32) in a clamped state, and an extending direction of the center line (322) is parallel to the bearing surface of the bonding pad (100) to be bonded.
  3. 3. The high-speed wire bonding alignment device for AI server as set forth in claim 1 wherein the alignment driving assembly (31) comprises a first linear driver (311), a first transmission bracket (312) disposed at an output end of the first linear driver (311), and a clamping driver (313) disposed on the first transmission bracket (312), wherein the alignment corrector (32) is disposed at an output end of the clamping driver (313), and the clamping driver (313) is configured to drive the alignment corrector (32) to open and close to clamp and correct a position of the wire (200) to be bonded.
  4. 4. The high-speed wire bonding alignment device for AI server of claim 3 wherein the clamping driver (313) is a pneumatic finger, the alignment correction member (32) is two alignment chucks (321) detachably disposed at an output end of the pneumatic finger, extending directions of the two alignment chucks (321) are mutually intersected, and free ends of the two alignment chucks (321) are used for clamping a conductor end (201) of a wire (200) to be bonded.
  5. 5. The high-speed wire bonding alignment device for AI server as set forth in claim 1, wherein the bonding mechanism (1) comprises a head (11), a second linear driver (12) drivingly connected to the head (11) for driving the head to move along the X-axis, a third linear driver drivingly connected to the head (11) for driving the head to move along the Z-axis, a horn mount (14) provided at a free end of the head (11), an electrode block (15) cooperatively connected to the horn mount (14), and a first horn (16) detachably connected to the electrode block (15) via the horn mount (14).
  6. 6. The high-speed wire bonding alignment device for AI server as set forth in claim 1, wherein the supporting mechanism (2) comprises a fourth linear actuator (21), a second transmission bracket (22) disposed at an output end of the fourth linear actuator (21), and a supporting member (23) or a second bonding tool disposed on the second transmission bracket (22).
  7. 7. The high-speed wire bonding alignment device for an AI server as set forth in claim 6 wherein the number of said supporting members (23) is plural, a plurality of said supporting members (23) are disposed at intervals in a direction intersecting with a moving direction of the second transmission bracket (22), and said supporting members (23) are detachably connected to the second transmission bracket (22).
  8. 8. The high-speed wire bonding alignment device for AI server as set forth in claim 6, wherein the support member (23) is provided with a plurality of positioning teeth (231), the plurality of positioning teeth (231) are arranged in a direction intersecting with the moving direction of the second transmission support (22), a clearance gap (232) is provided between two adjacent positioning teeth (231), and the positioning teeth (231) protrude out of the end face of the free end of the support member (23) so that the end face of the free end of the positioning teeth (231) forms a bearing surface for bearing the pad (100) to be bonded.
  9. 9. The high-speed wire bonding alignment device for the AI server of claim 1, further comprising a positioning jig (4) used in cooperation with the supporting mechanism (2), wherein the positioning jig (4) comprises a base (41), a wire placing groove (42) arranged on the base (41), a wire clamping main body (43) used for pressing a wire bonding material (200) in the wire placing groove (42) and a limiting part (44) used for positioning a wire bonding pad (100), the wire placing groove (42) is used for accommodating the wire bonding material (200) and exposing a conductor end (201) of the wire bonding material (200) near the limiting part (44), the limiting part (44) is used for positioning the wire bonding pad (100) at a preset bonding position so that the conductor end (201) of the wire bonding material (200) is pre-aligned with a bearing surface of the wire bonding pad (100), and the supporting mechanism (2) is used for supporting one surface of the wire bonding pad (100) facing away from the bearing surface.
  10. 10. The high-speed wire welding alignment method for the AI server is characterized by comprising the following steps of: S1, supporting, namely pre-aligning and matching a conductor end (201) of a material (200) to be welded with a bearing surface of a bonding pad (100) to be welded, and supporting the bonding pad (100) to be welded by using a supporting mechanism (2); S2, correcting pre-alignment, namely driving an alignment correction piece (32) to move by using an alignment driving assembly (31) to enable a positioning datum line of the alignment correction piece (32) to move to a preset clamping position suitable for clamping a to-be-welded wire (200) corresponding to a to-be-welded bonding pad (100); S3, initially positioning the welding mechanism (1) to move to one side, away from the bonding pad (100), of the material (200) to be welded in a pre-alignment matching state; s4, clamping and correcting, namely driving the alignment correcting piece (32) to open and close by using the alignment driving assembly (31), clamping and correcting the position of the wire to be welded, and enabling the central axis of the conductor end (201) of the wire to be welded (200) to be positioned at the central position of the bonding pad (100) to be welded; S5, resetting the alignment mechanism (3), namely driving the alignment correction piece (32) to be opened by using the alignment driving assembly (31) and returning the alignment correction piece to the initial position; s6, welding, namely continuously enabling the welding mechanism (1) to be close to the material (200) to be welded and applying welding current, enabling the conductor end (201) of the material (200) to be welded with the pad (100) to be welded, and resetting the welding mechanism (1) after performing welding action.

Description

High-speed wire welding alignment device and welding alignment method for AI server Technical Field The invention relates to the technical field of artificial intelligence server manufacturing, and particularly discloses a high-speed wire welding alignment device and a welding alignment method for an AI server. Background In high-performance computing devices such as AI servers, the quality of the soldering of the high-speed wire and the solder pad is directly related to the stability and reliability of signal transmission. In the prior art, the welding is mostly dependent on manual visual positioning or simple fixture assistance, and the alignment of the end part of the wire conductor and the center position of the miniature bonding pad is difficult to accurately ensure. Because of the lack of an active and dynamic online correction mechanism, alignment deviation is easy to generate, so that the risks of welding cold joint, signal loss increase or short circuit are caused, and the yield of high-end server products and the stability of long-term operation are seriously affected. Disclosure of Invention In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a precise alignment device and a precise alignment method for welding a high-speed transmission wire rod and a bonding pad. The high-speed wire welding alignment device for the AI server comprises a welding mechanism, a supporting mechanism and an alignment mechanism movably arranged relative to the supporting mechanism, wherein the supporting mechanism is arranged on one side of the welding mechanism and used for supporting a welding pad to be welded, the alignment mechanism comprises an alignment driving assembly and an alignment correction piece arranged at the output end of the alignment driving assembly, the alignment correction piece is provided with a positioning datum line, the alignment driving assembly is used for driving the alignment correction piece to move, so that the positioning datum line moves to a preset alignment position suitable for clamping a material to be welded corresponding to the welding pad, the alignment correction piece is controlled to clamp the material to be welded to carry out position correction on the material to be welded, so that a conductor end of the material to be welded is positioned at the central position of the welding pad to be welded, and the welding mechanism is used for carrying out welding treatment on the material to be welded after the welding pad to be welded and the position correction. Further, the preset alignment position is a theoretical symmetry line position of the wire to be welded, which is parallel to the bearing surface of the bonding pad, the positioning reference line is a center line of a clamping space formed by the alignment correction piece in a clamping state, and the extending direction of the center line is parallel to the bearing surface of the bonding pad to be welded. Further, the alignment driving assembly comprises a first linear driver, a first transmission bracket arranged at the output end of the first linear driver and a clamping driver arranged on the first transmission bracket, wherein the alignment correcting piece is arranged at the output end of the clamping driver, and the clamping driver is used for driving the alignment correcting piece to open and close so as to clamp and correct the position of a wire to be welded. Further, the clamping driver is a pneumatic finger, the alignment correcting piece is two alignment chucks detachably arranged at the output end of the pneumatic finger, the extending directions of the two alignment chucks are mutually crossed, and the free ends of the two alignment chucks are used for clamping the conductor ends of the wire to be welded. Further, the welding mechanism comprises a machine head, a second linear driver in driving connection with the machine head for driving the machine head to move along the X axis, a third linear driver in driving connection with the machine head for driving the machine head to move along the Z axis, a welding head seat arranged at the free end of the machine head, an electrode block in matched connection with the welding head seat and a first welding head detachably connected with the electrode block through the welding head seat. Further, the supporting mechanism comprises a fourth linear driver, a second transmission bracket arranged at the output end of the fourth linear driver, and a supporting piece or a second welding head arranged on the second transmission bracket. Further, the number of the supporting mechanisms is a plurality. Further, the number of the supporting pieces is multiple, the supporting pieces are arranged at intervals along the direction crossing the moving direction of the second transmission bracket, and the supporting pieces are detachably connected with the second transmission bracket. Further, be provided with a plurality of position