A follow-up pressing mechanism for liquid cooling plate laser welding

Abstract

The application discloses a follow-up pressing mechanism for laser welding of a liquid cooling plate and belongs to the technical field of welding fixtures. The follow-up pressing mechanism comprises a plurality of assembly frames, and a communication seat is arranged between adjacent assembly frames. A sealing mechanism is arranged between the two sides of the communication seat and the assembly frames to control the flow of the heat exchange medium in the flow-through chamber of the two assembly frames. In the application, when the communication air seat is rotated by the rotating screwing part, the communication air seat can make the air inlet groove communicate with the communication cover. When the external air extraction part is started, the airflow can enter the cover body through the clamping surface of the fixture main body, and then enter the communication cover and the assembly frame air duct through the air extraction communication pipe. When the communication cover is separated from the air inlet groove by rotation, the communication cover can be turned into the stroke groove, the air extraction air duct is closed, the airflow adsorbed by the welding nozzle is cut off, the adsorption of the debris and welding smoke is facilitated, the adsorption function can be independently started and stopped through a single supporting mechanism, and the interference of the non-welding area is avoided.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of welding fixtures, and particularly relates to a follow-up pressing mechanism for laser welding of a liquid cooling plate. BACKGROUND

[0002] Laser welding of a liquid cooling plate is a technology that uses a laser as a heat source to weld the components of a liquid cooling plate (usually used for heat dissipation of electronic equipment) together. This welding method has the advantages of high precision, high efficiency, low heat-affected zone and good welding quality. The liquid cooling plate is a heat sink used for cooling electronic equipment, which absorbs heat through the flow of cooling liquid inside and then carries away the heat to achieve the purpose of heat dissipation. The liquid cooling plate is usually made of metal, such as aluminum, copper, etc., which has good thermal conductivity.

[0003] The invention patent with the Chinese patent publication number CN101376195B discloses a new laser welding pressing device for pressing and flattening plates during laser welding. It is installed on a gantry and includes a laser head, a Y-direction sliding table, and front and rear pressing beams. The front and rear pressing beams are movably arranged above the gantry workbench, and multiple pressing wheels are evenly distributed on the front and rear pressing beams. The Y-direction sliding table is installed on the gantry crossbeam between the front and rear pressing beams and can move back and forth in the Y-direction. The right pressing roller on one side of the Y-direction sliding table can move up and down, and the laser head and mounting seat are installed on the other side. The mounting seat is provided with a left pressing roller that can move up and down. The laser head, left and right pressing rollers, and pressing wheels on the front and rear sides form the working area of the laser head. The above-mentioned scheme can maintain the gap and flatness between the two plates, but when laser welding of a liquid cooling plate is performed, the traditional pressing and positioning device has the following technical defects: serious smoke pollution, metal vapor and flying particles generated during welding can easily diffuse through the open clamp gap, the existing equipment uses a rigid air duct connection, and when multiple stations are expanded, the machine needs to be stopped to connect the pipe, which leads to difficulty in modular expansion, and the air flow in the non-welding area during heat dissipation leads to energy waste, and there is room for improvement. SUMMARY

[0004] The purpose of the present application is to solve the problem of rigid air duct connection, multiple station expansion, and the need to stop the machine to connect the pipe, which leads to difficulty in modular expansion. A follow-up pressing mechanism for laser welding of a liquid cooling plate is proposed.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] A kind of follow-up pressure mechanism for liquid cooling plate laser welding, including multiple assembly frames, and the communication seat is arranged between adjacent assembly frames, and the flow of heat exchange medium in the flow-through chamber of the assembly frame on both sides of the communication seat is controlled by the closure mechanism between the both sides of the communication seat;

[0007] Multiple holes are opened in the top of the assembly frame, and multiple support mechanisms are arranged in the holes, a clamp body is arranged on the top of the support mechanism, the clamping position is adjusted by the expansion of the support mechanism on the top of the assembly frame, and a control mechanism is arranged on the bottom of the support mechanism to control the flow of gas in the support mechanism.

[0008] As a further description of the above technical solution:

[0009] The support mechanism includes a support sleeve, an external thread is opened on the outside of the support sleeve, the external thread is connected to the internal thread opened on the inside of the hole in the top of the assembly frame, another internal thread is opened in the inside of the support sleeve, and a threaded seat is threadedly connected to the internal thread of the support sleeve, a connecting column is connected to the top of the threaded seat, and the top of the connecting column is connected to the bottom of the clamp body.

[0010] As a further description of the above technical solution:

[0011] The top of the support sleeve is connected to a cover, and an air extraction communication pipe is connected in the cover, and the air extraction communication pipe extends to the bottom of the support sleeve and communicates with the control mechanism, the air extraction communication pipe extends to the outside of the cover and is connected to an air extraction part, and the air extraction part is arranged on one side of the outside of the cover.

[0012] As a further description of the above technical solution:

[0013] The control mechanism includes a communication air seat rotatably connected to the bottom of the support sleeve, a fixed air seat is sleeved on the outside of the communication air seat, a communication cover is connected to the inside of the fixed air seat, a stroke groove is opened on the outside of the communication air seat for the sliding of the communication cover, an air inlet groove is opened at the tail of the inner cavity of the stroke groove, and the circulation cooling is realized by the connection of the air inlet groove and the communication cover.

[0014] As a further description of the above technical solution:

[0015] The stroke groove is connected to the limiting block on both sides of the inner cavity of the air inlet groove, and the limiting block is limited by moving the communication cover into the end section of the stroke groove, and the stroke groove is connected to the limiting block on both sides of the inner cavity of the air inlet groove, and the limiting block is limited by moving the communication cover into the end section of the stroke groove.

[0016] As a further description of the above technical solution:

[0017] The fixed air seat top is connected with a closing cover, the inside of the closing cover is connected with a limiting spring, and the top of the limiting spring is in contact with the bottom of the supporting sleeve.

[0018] As a further description of the above technical solution:

[0019] The closing mechanism comprises a closing panel connected to one side of the communicating seat, a through slot is formed in one side of the closing panel, a flap is rotatably connected in the through slot, a rod body is connected to the two sides of the flap, and a turning rod is connected to the end of the rod body, the turning rod is rotatably connected in a rotating slot formed in one side of the closing panel, and an extrusion part is connected to the position corresponding to the turning rod on the two sides of the assembly frame.

[0020] As a further description of the above technical solution:

[0021] The closing mechanism comprises a closing panel connected to one side of the communicating seat, a through slot is formed in one side of the closing panel, a flap is rotatably connected in the through slot, a rod body is connected to the two sides of the flap, and a turning rod is connected to the end of the rod body, the turning rod is rotatably connected in a rotating slot formed in one side of the closing panel, and an extrusion part is connected to the position corresponding to the turning rod on the two sides of the assembly frame.

[0022] As a further description of the above technical solution:

[0023] The bottom of the fixed air seat is connected with a twisting part, and the fixed air seat is communicated with the air inlet groove by rotating the twisting part.

[0024] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0025] 1、In the present application, when the communicating air seat is rotated by rotating the twisting part, the communicating air seat can communicate the air inlet groove with the communicating cover, when the external air extraction part is started, the airflow can enter the cover body through the clamping surface of the clamp body, and then enter the communicating cover and the assembly frame air duct through the air extraction communicating pipe, when the communicating cover is separated from the air inlet groove by rotating, the communicating cover can be turned into the stroke slot, so that the air extraction air duct is closed, the airflow adsorbed by the welding is cut off, the adsorption function can be started and stopped independently through a single supporting mechanism, and the interference of non-welding area is avoided.

[0026] 2. In the application, through the design of the closing mechanism, when the communication seat is inserted into the adjacent assembly frame, the assembly frame can be quickly installed and coupled through the bottom mounting part, the extrusion part on one side of the assembly frame can drive the rotating lever to rotate through contact with the rotating lever, the rotation of the rotating lever can drive the rotating plate to open the through slot through the shaft body, and the opening of the through slot can form a ventilation gap, through the series connection of multiple assembly frames, the dynamic negative pressure air duct expansion can be realized by using the closing mechanism, and the rotating plate can be closed after the assembly frame is disconnected to prevent external dust from flowing back, the modular expansion realizes the flexible layout of the welding production line, and the adjustment efficiency is improved.

[0027] 3. In the application, the support sleeve can be rotated to make the external threads of the support sleeve threadedly connected with the internal threads of the assembly frame, the threaded seat can be driven to move along the axis, and the positioning height of the clamp body can be adjusted through the lifting of the connecting column through the threaded seat, so that the liquid cooling plate curved profile is conveniently adapted. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 An overall structure schematic diagram of a follow-up pressing mechanism for laser welding of a liquid cooling plate is provided in the application;

[0029] Figure 2 A split structure schematic diagram of a follow-up pressing mechanism for laser welding of a liquid cooling plate is provided in the application;

[0030] Figure 3 Another angle split structure schematic diagram of a follow-up pressing mechanism for laser welding of a liquid cooling plate is provided in the application;

[0031] Figure 4 A support mechanism split structure schematic diagram of a follow-up pressing mechanism for laser welding of a liquid cooling plate is provided in the application;

[0032] Figure 5 A support mechanism assembly structure schematic diagram of a follow-up pressing mechanism for laser welding of a liquid cooling plate is provided in the application;

[0033] Figure 6 Another angle structure schematic diagram of a support mechanism of a follow-up pressing mechanism for laser welding of a liquid cooling plate is provided in the application;

[0034] Figure 7 A closing mechanism structure schematic diagram of a follow-up pressing mechanism for laser welding of a liquid cooling plate is provided in the application;

[0035] Figure 8 A closing mechanism split structure schematic diagram of a follow-up pressing mechanism for laser welding of a liquid cooling plate is provided in the application;

[0036] Figure 9 A closing mechanism split structure schematic diagram of a follow-up pressing mechanism for laser welding of a liquid cooling plate is provided in the application; Figure 8Structure schematic diagram of A part in the middle is enlarged;

[0037] Figure 10 Another angle structure schematic diagram of a communication seat of a follow-up pressing mechanism for laser welding of a liquid cooling plate.

[0038] Legend:

[0039] 1, assembly frame; 2, communication seat; 3, support mechanism; 301, support sleeve; 302, cover body; 303, air extraction part; 304, connecting column; 305, threaded seat; 306, air extraction communication pipe; 307, external thread; 4, clamp main body; 5, control mechanism; 501, communication air seat; 502, fixed air seat; 503, stroke groove; 504, limiting block; 505, air inlet groove; 506, closure cover; 507, limiting spring; 508, twisting part; 509, communication cover; 6, closure mechanism; 601, closure panel; 602, extrusion part; 603, through groove; 604, rotation groove; 605, flap; 606, turning rod; 607, rewinding bearing; 608, fixed plate; 609, telescopic rod; 610, return spring; 7, mounting piece. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 a person of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0041] Please refer to Figures 1-10 The present application provides a technical solution: a follow-up pressing mechanism for laser welding of a liquid cooling plate, comprising a plurality of assembly frames 1, and a communication seat 2 is arranged between adjacent assembly frames 1, and a closure mechanism 6 is arranged between the two sides of the communication seat 2 and the assembly frames 1, and the flow of the heat exchange medium in the flow-through chamber of the two assembly frames 1 is controlled through the closure mechanism 6.

[0042] A plurality of holes are formed in the top of the assembly frame 1, and a plurality of support mechanisms 3 are arranged in the holes, the support mechanisms 3 are provided with clamp main bodies 4 at the top, the clamping position is adjusted by the expansion of the support mechanisms 3 at the top of the assembly frame 1, and the support mechanisms 3 are provided with control mechanisms 5 at the bottom, and the flow of gas in the support mechanisms 3 is controlled through the control mechanisms 5.

[0043] Specifically, the clamp main body 4 is designed, the clamp main body 4 can adjust the clamping point at the top of the assembly frame 1 through the bottom support mechanism 3, which is conducive to adapting to the processing positioning of liquid cooling plates of different sizes and improving the processing efficiency.

[0044] Please refer to Figures 4-6The supporting mechanism 3 comprises a supporting sleeve 301, an outer thread 307 is formed on the outside of the supporting sleeve 301, the outer thread 307 is connected to an inner thread formed on the inside of the hole body at the top of the assembly frame 1, another inner thread is formed on the inside of the supporting sleeve 301, and a threaded seat 305 is threadedly connected to the inner thread of the supporting sleeve 301, a connecting column 304 is connected to the top of the threaded seat 305, and the top of the connecting column 304 is connected to the bottom of the clamp body 4;

[0045] The top of the supporting sleeve 301 is connected to a cover 302, a suction communication pipe 306 is connected in the cover 302, the suction communication pipe 306 extends to the bottom of the supporting sleeve 301 and is in communication with the control mechanism 5, the suction communication pipe 306 extends to the outside of the cover 302 and is connected to a suction part 303, and the suction part 303 is arranged on one side of the outside of the cover 302;

[0046] The control mechanism 5 comprises a communication air seat 501 rotatably connected to the bottom of the supporting sleeve 301, a fixed air seat 502 is sleeved on the outside of the communication air seat 501, a communication cover 509 is connected to the inside of the fixed air seat 502, a stroke groove 503 is formed on the outside of the communication air seat 501 for sliding of the communication cover 509, an air inlet groove 505 is formed at the tail of the inner cavity of the stroke groove 503, and the air inlet groove 505 is connected to the communication cover 509 to circulate heat dissipation;

[0047] The stroke groove 503 is connected to a limiting protrusion 504 on both sides of the inner cavity of the air inlet groove 505, and the communication cover 509 is limited by moving into the tail section of the stroke groove 503;

[0048] The bottom of the fixed air seat 502 is connected to a rotating part 508, and the rotating part 508 is rotated to drive the fixed air seat 502 to be in communication with the air inlet groove 505.

[0049] Specifically, when the assembly is carried out, the supporting sleeve 301 is rotated to make the outer thread 307 of the supporting sleeve 301 threadedly cooperate with the inner thread of the assembly frame 1, so that the threaded seat 305 can be moved along the axis, the connecting column 304 can adjust the positioning height of the clamp body 4 by the lifting of the threaded seat 305, when the rotating part 508 is rotated to drive the communication air seat 501 to rotate, the communication air seat 501 can make the air inlet groove 505 in communication with the communication cover 509, when the external suction part 303 is started, the airflow can enter the cover 302 through the clamping surface of the clamp body 4, and then enter the communication cover 509 and the air duct of the assembly frame 1 in sequence through the suction communication pipe 306, and when the communication cover 509 is separated from the air inlet groove 505 by rotation, the communication cover 509 can be turned into the stroke groove 503, so that the suction air duct can be closed, the airflow of the welding suction is cut off, the suction of the debris and the welding smoke is facilitated, and the suction function can be independently started and stopped by the single supporting mechanism 3, so as to avoid the interference of the non-welding area;

[0050] Further, through the setting of the external external thread 307 of the support sleeve 301, the quick replacement of the support mechanism 3 is facilitated, and the assembly of liquid cooling plates with different thicknesses is adapted.

[0051] The top of the fixed air seat 502 is connected with a closed cover 506, the inner side of the closed cover 506 is connected with a limiting spring 507, and the top of the limiting spring 507 is in contact with the bottom of the support sleeve 301.

[0052] Both sides of the fixed air seat 502 are provided with a communication air nozzle, and the communication air nozzle is connected with the air duct opening in the hole body of the assembly frame 1.

[0053] Please refer to Figures 8-9 The closed mechanism 6 comprises a closed panel 601 connected to one side of the communication seat 2, a through slot 603 is formed on one side of the closed panel 601, a flap 605 is rotatably connected in the inner cavity of the through slot 603, a rod body is connected on both sides of the flap 605, and a flip rod 606 is connected at the end of the rod body, the flip rod 606 is rotatably connected in the rotation slot 604 formed on one side of the closed panel 601, and the extrusion part 602 is connected on both sides of the assembly frame 1 corresponding to the position of the flip rod 606, and the extrusion part 602 extrudes the flip rod 606 to open the ventilation gap of the through slot 603 after the communication seat 2 is connected with the assembly frame 1;

[0054] The rod body is provided with a rewinding bearing 607 embedded in one side of the rotation slot 604, the inner cavity of the communication seat 2 is connected with a fixed plate 608 on both sides, the fixed plate 608 is connected with an extension rod 609 on both ends of one side, the other end of the extension rod 609 has an extrusion block, and the extrusion block is in contact with the back side of the flap 605, the extension rod 609 is externally provided with a reset spring 610, and the reset spring 610 is connected with the fixed plate 608 and the end side of the extension rod 609 respectively.

[0055] Among them, through the design of the rotation slot 604, the rotation slot 604 can facilitate the rotation of the flip rod 606 in the rotation slot 604, and avoid interference affecting the rotation of the flap 605;

[0056] Further, in order to ensure the sealing effect of the flap 605, the outer circumferential side of the flap 605 is provided with a corresponding sealing pad, which maintains the sealing effect through the sealing pad;

[0057] Specifically: through the designed closing mechanism 6, when the communication seat 2 is inserted into the adjacent assembly frame 1, the assembly frame 1 can be quickly installed and coupled through the bottom mounting part 7, the extrusion part 602 located on one side of the assembly frame 1 can drive the turning lever 606 to rotate through contact with the turning lever 606, the rotation of the turning lever 606 can drive the turning plate 605 to open the through slot 603 through the rod body, the opening of the through slot 603 can form a ventilation gap, and when the rod body rotates, the back tension spring 607 can be tensioned, and the rear telescopic rod 609 and the reset spring 610 can be compressed under stress when the turning lever 606 is turned, when the assembly frame 1 is separated from the communication seat 2, the spring of the back tension spring 607 and the reset spring 610 can drive the telescopic rod 609 to reset through their own elastic force, and the telescopic rod 609 can extrude the turning lever 606 to reset the turning plate 605, through the series connection of multiple assembly frames 1, the closing mechanism 6 can realize dynamic negative pressure air duct expansion, and the turning plate 605 can be closed after the assembly frame 1 is disconnected to prevent external dust from flowing back, and the flexible layout of the welding production line can be realized through modular expansion.

[0058] Working principle: when in use, during assembly, the support sleeve 301 can be rotated to make the external thread 307 of the support sleeve 301 threadedly matched with the internal thread of the assembly frame 1, so that the threaded seat 305 can be moved along the axis, and the connecting column 304 can adjust the positioning height of the clamp body 4 through the lifting of the threaded seat 305, and when the communication cover 509 is rotated through the rotating knob 508, the communication cover 509 can make the air inlet groove 505 communicated with the communication cover 509, when the external air suction part 303 is started, air flow can enter the cover body 302 through the clamping surface of the clamp body 4, and then enter the communication cover 509 and the air duct of the assembly frame 1 through the air suction communication pipe 306 in sequence, and when the communication cover 509 is separated from the air inlet groove 505 through rotation, the communication cover 509 can be turned into the stroke groove 503 to close the air suction duct.

[0059] When the communication seat 2 is inserted into the adjacent assembly frame 1, the assembly frame 1 can be quickly installed and coupled through the bottom mounting part 7, the extrusion part 602 located on one side of the assembly frame 1 can drive the turning lever 606 to rotate through contact with the turning lever 606, the rotation of the turning lever 606 can drive the turning plate 605 to open the through slot 603 through the rod body, the opening of the through slot 603 can form a ventilation gap, and when the rod body rotates, the back tension spring 607 can be tensioned, and the rear telescopic rod 609 and the reset spring 610 can be compressed under stress when the turning lever 606 is turned, when the assembly frame 1 is separated from the communication seat 2, the spring of the back tension spring 607 and the reset spring 610 can drive the telescopic rod 609 to reset through their own elastic force, and the telescopic rod 609 can extrude the turning lever 606 to reset the turning plate 605, through the series connection of multiple assembly frames 1, the closing mechanism 6 can realize dynamic negative pressure air duct expansion.

[0060] In the present application, the terms "first", "second" are only for descriptive purpose, and should not be understood as indicating or implying relative importance; the term "multiple" refers to two or more, unless otherwise specifically limited. The terms "mounting", "connecting", "connecting", "fixing" and the like should be interpreted broadly, for example, "connecting" can be fixed connection, or detachable connection, or integrally connected; "connecting" can be directly connected, or indirectly connected through intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0061] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical solution and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A follow-up pressing mechanism for laser welding of liquid cooling plates, comprising a plurality of assembly frames (1), and a communication seat (2) is arranged between adjacent assembly frames (1), characterized in that, The two sides of the communication seat (2) and the assembly frame (1) are provided with a sealing mechanism (6), which controls the flow of the heat exchange medium in the flow chamber of the two sides of the assembly frame (1) through the sealing mechanism (6); A plurality of holes are formed in the top of the assembly frame (1), and a plurality of supporting mechanisms (3) are arranged in the holes, the top of the supporting mechanism (3) is provided with a clamp body (4), the supporting mechanism (3) is expanded on the top of the assembly frame (1) to adjust the clamping position, and the bottom of the supporting mechanism (3) is provided with a control mechanism (5), which controls the flow of gas in the supporting mechanism (3) through the control mechanism (5); The supporting sleeve (301) is externally provided with an external thread (307), the external thread (307) is connected to the internal thread formed in the inside of the hole in the top of the assembly frame (1), the supporting sleeve (301) is internally provided with another internal thread, and the internal thread of the supporting sleeve (301) is threadedly connected with a threaded seat (305), the top of the threaded seat (305) is connected with a connecting column (304), and the top of the connecting column (304) is connected with the bottom of the clamp body (4); The top of the supporting sleeve (301) is connected with a cover (302), the cover (302) is connected with an air extraction communication pipe (306), the air extraction communication pipe (306) extends to the bottom of the supporting sleeve (301) and is in communication with the control mechanism (5), the air extraction communication pipe (306) extends to the outside of the cover (302) and is connected with an air extraction part (303), and the air extraction part (303) is arranged on one side of the outside of the cover (302); The control mechanism (5) comprises a communication air seat (501) rotatably connected to the bottom of the supporting sleeve (301), the communication air seat (501) is externally sleeved with a fixed air seat (502), the inside of the fixed air seat (502) is connected with a communication cover (509), the outside of the communication air seat (501) is provided with a stroke groove (503) for sliding of the communication cover (509), and the tail of the inner cavity of the stroke groove (503) is provided with an air inlet groove (505), which is connected with the communication cover (509) to circulate and dissipate heat; The sealing mechanism (6) comprises a sealing panel (601), which is connected to one side of the outside of the communication seat (2), the sealing panel (601) is provided with a through groove (603) on one side, the through groove (603) is rotatably connected with a flap (605), the two sides of the flap (605) are connected with rod bodies, and the ends of the rod bodies are connected with flip rods (606), the flip rods (606) are rotatably connected in the rotation grooves (604) formed on one side of the sealing panel (601), and the positions corresponding to the flip rods (606) on the two sides of the assembly frame (1) are connected with extrusion parts (602), the extrusion parts (602) extrude the flip rods (606) to open the ventilation gap of the through groove (603) after the communication seat (2) is connected with the assembly frame (1).

2. A follow-up pressure mechanism for laser welding of liquid cold plates according to claim 1, characterized in that, The stroke groove (503) corresponds to the connecting limit bump (504) on both sides of the inner cavity of the air inlet groove (505), and is limited by moving into the last section of the stroke groove (503) through the communication cover (509).

3. The follow-up pressure mechanism for laser welding of liquid cold plate according to claim 1, wherein, The fixed air seat (502) is connected with the closed cover (506) on the top, the inner side of the closed cover (506) is connected with the limit spring (507), the top of the limit spring (507) is in contact with the bottom of the support sleeve (301), the fixed air seat (502) is provided with the communication air nozzle on both sides, and the communication air nozzle is communicated with the air duct opening in the hole body of the assembly frame (1).

4. The follow-up pressure mechanism for laser welding of liquid cold plate according to claim 1, wherein, The rod body is provided with a winding bearing (607) outside, the winding bearing (607) is embedded in one side of the inner cavity of the rotating groove (604), the inner cavity of the communication seat (2) is connected with the fixed plate (608) on both sides, the fixed plate (608) is connected with the telescopic rod (609) on one side of both ends, the telescopic rod (609) has a pressing block on the other end, the pressing block is in contact with the rear side of the flap (605), the telescopic rod (609) is provided with a reset spring (610) outside, and the both ends of the reset spring (610) are connected with the fixed plate (608) and the end side of the telescopic rod (609) respectively.

5. The follow-up pressure mechanism for laser welding of liquid cold plate according to claim 3, wherein, The fixed air seat (502) is connected with the twisting part (508) on the bottom, and the fixed air seat (502) is communicated with the air inlet groove (505) by rotating the twisting part (508).

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