Rotating disc type multi-station magnetic head spot welder with welding fume purification effect

Abstract

The invention discloses a rotating disc type multi-station magnetic head spot welding machine with a welding fume purification effect, and relates to the technical field of spot welding machines. A welding machine; the welding fume purification mechanism is used for collecting solid residues in welding fume, the gas box is fixedly connected to the outer surface of the welding fume purification mechanism, the welding fume purification mechanism is arranged, so that the welding fume generated during spot welding of the magnetic head can be purified, particulate matter and disintegrating residues generated during spot welding can be collected, and the welding fume purification efficiency is improved. In the subsequent discharging process, the collected particulate matter and disintegrating slag can be effectively discharged, and the particulate matter and disintegrating slag are prevented from leaking; the multi-station placing mechanism is used for placing a plurality of magnetic heads, and by arranging the multi-station placing mechanism, the plurality of magnetic heads needing spot welding can be placed at the same time, so that when spot welding work is conducted on the magnetic heads, the effect of continuous work can be achieved, and the effect of fully purifying welding fume generated by spot welding is achieved.

Description

Technical Field

[0001] This invention relates to the field of spot welding machine technology, specifically to a rotary multi-station magnetic head spot welding machine with welding fume purification effect. Background Technology

[0002] The magnetic head spot welding machine is a high-precision automated welding device specifically designed for the precision spot welding of hard disk heads and cantilever components. This equipment utilizes the principle of micro-resistance welding, precisely controlling current, pressure, and time parameters to complete weld point formation within milliseconds, ensuring high conductivity and mechanical strength at the connection point. The core system consists of a precision servo drive module, a high-frequency inverter power supply, an optical alignment device, and a PLC intelligent control system. Combined with a high-magnification industrial camera, it achieves a positioning accuracy of ±5μm, meeting the high-standard welding requirements of 0.1mm-level pads on the magnetic head assembly.

[0003] If welding fumes are not effectively purified during magnetic head spot welding, it will significantly impact the production environment, equipment lifespan, and product quality. Metal particles and gaseous contaminants in the welding fumes can diffuse within the cleanroom, not only reducing the air cleanliness level but also potentially depositing on the surface of precision magnetic head components, leading to decreased read / write performance or increased short-circuit risk. Long-term accumulation of conductive fumes may adhere to the lenses of the high-precision optical alignment system of the spot welding machine, causing visual positioning errors and affecting welding accuracy and yield. Summary of the Invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solution: a rotary multi-station magnetic head spot welding machine with welding fume purification effect, including a frame;

[0005] Welding machine;

[0006] The welding fume purification mechanism is used to collect solid slag in welding fumes and has an air box fixedly connected to the outer surface of the welding fume purification mechanism. By setting up the welding fume purification mechanism, the welding fumes generated during magnetic head spot welding can be purified, so that the particulate matter and debris generated by spot welding can be collected and effectively discharged during subsequent discharge to prevent leakage of particulate matter and debris.

[0007] A multi-station placement mechanism is used to place multiple magnetic heads. By setting up the multi-station placement mechanism, multiple magnetic heads that need to be spot welded can be placed at the same time, so that continuous operation can be achieved when spot welding the magnetic heads. It can also be used in conjunction with a welding fume purification mechanism to absorb the welding fumes generated around the magnetic heads when spot welding.

[0008] The multi-station placement mechanism includes a rotating disk. Four fumigation mechanisms are evenly distributed on the upper surface of the rotating disk. Each fumigation mechanism includes a connecting funnel fixedly connected to the inner wall of the rotating disk. A spiral cooling pipe runs through the lower surface of the connecting funnel. By setting up the rotating disk, multiple magnetic heads requiring spot welding can be placed. When the rotating disk rotates around its axis, it drives multiple magnetic heads to rotate, ultimately positioning them directly below the welding machine for welding. The connecting funnel and spiral cooling pipe absorb the welding fumes generated during spot welding. The spiral cooling pipe increases the contact time between the high-temperature welding fumes and the air, achieving rapid cooling and solidifying the vaporized material. The spiral cooling pipe, made of metal, increases the heat exchange rate between the internal gas and the outside air, further accelerating the cooling speed of the internal gas.

[0009] Preferably, a hydraulic adjustment bracket is fixedly connected to the upper surface of the frame, and a lateral adjustment mechanism is provided at the movable end of the hydraulic adjustment bracket. The movable end of the lateral adjustment mechanism is connected to the welding machine, and the air box is fixedly connected to the inner wall of the frame.

[0010] Preferably, the welding fume purification mechanism includes a second stepper motor, and a venting plate is provided at the bottom of the inner wall of the gas box. The second stepper motor is fixedly connected to the venting plate at the bottom of the inner cavity of the gas box. A second rotating rod is installed at the output end of the second stepper motor through a coupling. A fan blade is fixedly connected to the end of the second rotating rod, and the airflow generated by the rotation of the fan blade is downward.

[0011] Preferably, a rolling bearing is fixedly connected to the outer surface of the gas box, a connecting shell is fixedly connected to the outer ring of the rolling bearing, an airflow transfer box is fixedly connected to the inner wall of the connecting shell, a connecting pipe is fixedly connected to the inner wall of the connecting shell, a barrier box is fixedly connected to the inner wall of the airflow transfer box, the barrier box is fixedly connected to the outer surface of the connecting pipe, and a one-way valve passes through the upper surface of the barrier box, the gas flow direction of the one-way valve is from the inner cavity of the barrier box to the top of the barrier box.

[0012] Preferably, a threaded ring is fixedly connected to the upper surface of the airflow transfer box, a collection box is threadedly connected to the outer surface of the threaded ring, a sealing ring is fixedly connected to the opening on the upper surface of the collection box, and a venting cylinder is fixedly connected to the top end of the connecting pipe. The upper surface of the venting cylinder is in a closed state, and the venting cylinder is squeezed and fitted to the inner ring of the sealing ring.

[0013] Preferably, a first inclined ring is fixedly connected to the inner wall of the collection box, and a second inclined ring is fixedly connected to the outer surface of the connecting pipe. The cross-sections of the first inclined ring and the second inclined ring are parallel, and the first inclined ring is located directly above the second inclined ring.

[0014] Preferably, the rotating disk is fixedly connected to the outer surface of the airflow transfer box, a support frame is fixedly connected to the outer surface of the rotating disk, an internal gear is fixedly connected to the bottom end of the support frame, a first stepper motor is fixedly connected to the outer surface of the air box, a first rotating rod is installed at the output end of the first stepper motor through a coupling, an external gear is fixedly connected to the top end of the first rotating rod, and the external gear meshes with the internal gear.

[0015] Preferably, a package box is fixedly connected to the upper surface of the rotating disk, a fixing plate is fixedly connected to the bottom surface of the inner cavity of the package box, a positioning frame is fixedly connected to the upper surface of the fixing plate, and a soft pad is fixedly connected to the inner wall of the positioning frame.

[0016] Preferably, a vent ring is fixedly connected to the upper surface of the connecting funnel, the vent ring is at the same horizontal line as the package box, a cover plate is fixedly connected to the upper surface of the vent ring, and the end of the spiral cooling pipe away from the connecting funnel passes through the airflow transfer box, with the end of the spiral cooling pipe located in the inner cavity of the barrier box.

[0017] Preferably, the outer side of the package box has symmetrical through-holes, and a package sleeve runs through the side of the through-holes away from the package box, and the package sleeve is fitted on the outer surface of the vent ring.

[0018] This invention provides a rotary multi-station magnetic head spot welding machine with welding fume purification effect. It has the following beneficial effects:

[0019] I. This rotary multi-station magnetic head spot welding machine with welding fume purification effect can purify the welding fumes generated during magnetic head spot welding by setting up a welding fume purification mechanism, so that the particulate matter and slag generated by spot welding can be collected and effectively discharged during subsequent discharge to prevent leakage of particulate matter and slag.

[0020] II. This rotary multi-station magnetic head spot welding machine with welding fume purification effect can simultaneously place multiple magnetic heads that need to be spot welded by setting up a multi-station placement mechanism. Thus, when spot welding the magnetic heads, it can achieve continuous operation and can cooperate with the welding fume purification mechanism to absorb the welding fumes generated around the magnetic heads during spot welding.

[0021] Third, this rotary multi-station magnetic head spot welding machine with welding fume purification effect can place multiple magnetic heads that need to be spot welded by setting a rotating disk. When the rotating disk rotates around its axis, it drives multiple magnetic heads to rotate, and finally rotates the magnetic heads to be directly below the welding machine to realize the spot welding work of the magnetic heads.

[0022] IV. This rotary multi-station magnetic head spot welding machine with welding fume purification effect can absorb the welding fumes generated by magnetic head spot welding by setting up a connecting funnel and a spiral cooling pipe. The spiral cooling pipe increases the contact time between the high-temperature welding fumes and the air, achieving the effect of rapid cooling of the high-temperature welding fumes and solidifying the vaporized material. The spiral cooling pipe is made of metal, which can increase the heat exchange rate between the internal gas and the outside air, thereby accelerating the cooling speed of the internal gas. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the external structure of a rotary multi-station magnetic head spot welding machine with welding fume purification effect according to the present invention.

[0024] Figure 2 This is a side view of the structure of a rotary multi-station magnetic head spot welding machine with welding fume purification effect according to the present invention.

[0025] Figure 3 This is a partial structural schematic diagram of a rotary multi-station magnetic head spot welding machine with welding fume purification effect according to the present invention.

[0026] Figure 4 This is a schematic diagram of the welding fume purification mechanism of the present invention;

[0027] Figure 5 This is a schematic cross-sectional view of the welding fume purification mechanism of the present invention;

[0028] Figure 6 This is a partial cross-sectional structural diagram of the welding fume purification mechanism of the present invention;

[0029] Figure 7 This is a schematic diagram of the multi-station placement mechanism of the present invention;

[0030] Figure 8 This is a schematic diagram of the rotating disk structure of the present invention;

[0031] Figure 9 This is a schematic diagram of the smoking mechanism of the present invention;

[0032] Figure 10 This is a schematic cross-sectional view of the smoking mechanism of the present invention;

[0033] Figure 11 This is a partial structural diagram of the smoking mechanism of the present invention.

[0034] In the diagram: 1. Frame; 2. Hydraulic adjustment bracket; 3. Lateral adjustment mechanism; 4. Welding machine; 5. Gas box; 6. Welding fume purification mechanism; 7. Multi-station placement mechanism; 8. First stepper motor; 9. First rotating rod; 10. External gear; 61. Second stepper motor; 62. Second rotating rod; 63. Fan blade; 64. Rolling bearing; 65. Connecting housing; 66. Airflow transfer box; 67. Barrier box; 68. One-way valve; 69. Connecting pipe; 610. 611. Threaded ring; 612. Collection box; 613. Sealing ring; 614. First inclined ring; 615. Second inclined ring; 616. Vent tube; 71. Rotating disk; 72. Support frame; 73. Internal gear; 74. Smoking mechanism; 75. Package box; 76. Fixing plate; 77. Positioning frame; 78. Soft pad; 741. Connecting funnel; 742. Vent ring; 743. Cover plate; 744. Spiral cooling pipe; 745. Connection port; 746. Package sleeve. Detailed Implementation

[0035] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. 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.

[0036] like Figures 1-11 As shown, the present invention provides a technical solution: a rotary multi-station magnetic head spot welding machine with welding fume purification effect, including a frame 1;

[0037] Welding machine 4;

[0038] The welding fume purification mechanism 6 is used to collect solid slag in the welding fume, and the gas box 5 is fixedly connected to the outer surface of the welding fume purification mechanism 6. By setting the welding fume purification mechanism 6, the welding fume generated during magnetic head spot welding can be purified, so that the particulate matter and slag generated by spot welding can be collected, and the collected particulate matter and slag can be effectively discharged during subsequent discharge to prevent leakage of particulate matter and slag.

[0039] The multi-station placement mechanism 7 is used to place multiple magnetic heads. By setting up the multi-station placement mechanism 7, multiple magnetic heads that need to be spot welded can be placed at the same time, so that continuous operation can be achieved when spot welding the magnetic heads. It can also cooperate with the welding fume purification mechanism 6 to absorb the welding fumes generated around the magnetic heads when spot welding.

[0040] The multi-station placement mechanism 7 includes a rotating disk 71. Four fumigation mechanisms 74 are evenly distributed on the upper surface of the rotating disk 74. Each fumigation mechanism 74 includes a connecting funnel 741, which is fixedly connected to the inner wall of the rotating disk 71. A spiral cooling pipe 744 penetrates the lower surface of the connecting funnel 741. By setting up the rotating disk 71, multiple magnetic heads requiring spot welding can be placed, and the rotating disk 71 rotates around its axis, causing the multiple magnetic heads to rotate. Finally, the magnetic head is rotated to be directly below the welding machine 4 to perform electric welding on the magnetic head. By setting up a connecting funnel 741 and a spiral cooling pipe 744, the welding fumes generated by the spot welding of the magnetic head can be absorbed. The spiral cooling pipe 744 increases the contact time between the high-temperature welding fumes and the air, achieving the effect of rapid cooling of the high-temperature welding fumes and solidifying the vaporized material. The spiral cooling pipe 744 is made of metal, which can increase the heat exchange rate between the internal gas and the outside air, thereby accelerating the cooling speed of the internal gas.

[0041] A hydraulic adjustment bracket 2 is fixedly connected to the upper surface of the frame 1. A lateral adjustment mechanism 3 is provided at the movable end of the hydraulic adjustment bracket 2. The movable end of the lateral adjustment mechanism 3 is connected to the welding machine 4. The air box 5 is fixedly connected to the inner wall of the frame 1. By setting the hydraulic adjustment bracket 2 and the lateral adjustment mechanism 3, the positional relationship between the welding machine 4 and the magnetic head placed in the inner cavity of the multi-station placement mechanism 7 can be adjusted under the control of the central processing unit, so that the welding machine 4 is directly above the magnetic head. Then, under control, the spot welding work of the magnetic head is completed. At the same time, a vision sensor is provided on the outer surface of the welding machine 4, which can correct the position of the welding machine 4 and the magnetic head.

[0042] The welding fume purification mechanism 6 includes a second stepper motor 61. A permeable plate is located at the bottom of the inner wall of the gas box 5. The second stepper motor 61 is fixedly connected to the permeable plate at the bottom of the gas box 5. A second rotating rod 62 is mounted on the output end of the second stepper motor 61 via a coupling. A fan blade 63 is fixedly connected to the end of the second rotating rod 62. The airflow generated by the rotation of the fan blade 63 is downward. By setting the second stepper motor 61, after power is connected and the switch is turned on, the output end drives the second rotating rod 62 to rotate, thereby causing the fan blade 63 to rotate and generate a downward airflow. This allows the air in the inner cavity of the gas box 5 to be discharged through the permeable plate at the bottom of the gas box 5. A rolling bearing 64 is fixedly connected to the outer surface of the gas box 5, and the outer ring of the rolling bearing 64 is fixed... A connecting shell 65 is connected to the gas box 5. An airflow transfer box 66 is fixedly connected to the inner wall of the connecting shell 65. A connecting pipe 69 is fixedly connected to the inner wall of the connecting shell 65. A barrier box 67 is fixedly connected to the inner wall of the airflow transfer box 66, and is fixedly connected to the outer surface of the connecting pipe 69. A one-way valve 68 penetrates the upper surface of the barrier box 67. The gas flow direction of the one-way valve 68 is from the inner cavity of the barrier box 67 to the top of the barrier box 67. By setting a rolling bearing 64, the connecting shell 65 can rotate stably at the top of the gas box 5, thereby causing the airflow transfer box 66 to rotate stably. By setting the airflow transfer box 66, the absorbed welding fumes can enter the inner cavity of the airflow transfer box 66. The barrier box 67 and the one-way valve 68... 8. The welding fumes entering the inner cavity of the airflow transfer box 66 will only enter the inner cavity of the barrier box 67, and can only flow from the inner cavity of the barrier box 67 to the top of the inner cavity of the airflow transfer box 66 through the one-way valve 68. The air at the top of the inner cavity of the barrier box 67 will not enter the inner cavity of the barrier box 67 through the one-way valve 68. A threaded ring 610 is fixedly connected to the upper surface of the airflow transfer box 66. A collection box 611 is threadedly connected to the outer surface of the threaded ring 610. A sealing ring 612 is fixedly connected to the opening on the upper surface of the collection box 611. A vent 615 is fixedly connected to the top of the connecting pipe 69. The upper surface of the vent 615 is in a closed state. The vent 615 is squeezed and adapted to the inner ring of the sealing ring 612. By setting the threaded ring 610, the vent 611 can be vented. A limit switch is installed to connect the collection box 611 to the airflow transfer box 66. After the collection box 611 is nearly full of impurities, it is disassembled. By using a vent 615 and a sealing ring 612, gas entering the inner cavity of the collection box 611 can be discharged through the vent 615 into the inner cavity of the connecting pipe 69, and finally into the inner cavity of the air box 5. The sealing ring 612 maintains the seal between the vent 615 and the collection box 611. A first inclined ring 613 is fixedly connected to the inner wall of the collection box 611, and a second inclined ring 614 is fixedly connected to the outer surface of the connecting pipe 69. The cross-sections of the first inclined ring 613 and the second inclined ring 614 are parallel, and the first inclined ring 613 is located directly above the second inclined ring 614.By setting the first inclined ring 613 and the second inclined ring 614, the welding fumes discharged from the inner cavity of the barrier box 67 can enter the inner cavity of the collection box 611 through the gap between the first inclined ring 613 and the second inclined ring 614, and particulate matter and debris can fall onto the upper surface of the first inclined ring 613, thus preventing particulate matter and debris from leaking out.

[0043] A rotating disk 71 is fixedly connected to the outer surface of the airflow transfer box 66. A support frame 72 is fixedly connected to the outer surface of the rotating disk 71, and an internal gear 73 is fixedly connected to the bottom end of the support frame 72. A first stepper motor 8 is fixedly connected to the outer surface of the air box 5. A first rotating rod 9 is mounted on the output end of the first stepper motor 8 via a coupling. An external gear 10 is fixedly connected to the top end of the first rotating rod 9, and the external gear 10 meshes with the internal gear 73. By setting the first stepper motor 8, the first rotating rod 9 can be rotated after the power is connected and the switch is turned on, thereby causing the first rotating rod 9 to rotate. A rotating rod 9 drives the external gear 10 to rotate, which in turn causes the external gear 10 to mesh with the internal gear 73. The internal gear 73 then drives the support frame 72 and the rotating disk 71 to rotate. A packaging box 75 is fixedly connected to the upper surface of the rotating disk 71. A fixing plate 76 is fixedly connected to the bottom surface of the inner cavity of the packaging box 75. A positioning frame 77 is fixedly connected to the upper surface of the fixing plate 76. A soft pad 78 is fixedly connected to the inner wall of the positioning frame 77. By setting up the packaging box 75, the magnetic head to be spot-welded can be wrapped, so that the welding fumes generated by spot welding are contained within the inner cavity of the packaging box 75. In this system, by setting a positioning frame 77 and a soft pad 78, the magnetic head to be spot-welded can be wrapped, allowing the magnetic head to be stably positioned in the inner cavity of the wrapping box 75. A vent ring 742 is fixedly connected to the upper surface of the connecting funnel 741. The vent ring 742 is at the same horizontal line as the wrapping box 75. A cover plate 743 is fixedly connected to the upper surface of the vent ring 742. The end of the spiral cooling pipe 744 away from the connecting funnel 741 passes through the airflow transfer box 66. The end of the spiral cooling pipe 744 is located in the inner cavity of the barrier box 67. By setting the vent ring 742, the magnetic head can be... External air can enter the inner cavity of the vent ring 742 through the holes on the outer surface of the vent ring 742, and finally enter the inner cavity of the spiral cooling pipe 744. The outer side of the packaging box 75 is symmetrically connected with the connection port 745. The side of the connection port 745 away from the packaging box 75 is connected with the packaging sleeve 746. The packaging sleeve 746 is fitted on the outer surface of the vent ring 742. By setting the packaging sleeve 746, the outer surface of the vent ring 742 can be wrapped, so that the welding fumes in the inner cavity of the packaging box 75 can enter the inner cavity of the vent ring 742 through the packaging sleeve 746.

[0044] Working principle: During use, the operator places the magnetic head to be spot-welded in the inner cavity of the positioning frame 77, ensuring the magnetic head is in tight contact with the soft pad 78. Then, the first stepper motor 8 and the second stepper motor 61 are connected to the power supply and the switch is turned on. When the first stepper motor 8 operates and drives the output end to rotate, the first rotating rod 9 drives the external gear 10 to rotate, causing the internal gear 73 to rotate along with the external gear 10. Ultimately, this causes the rotating disk 71 to rotate, driving the packaging box 75 and the magnetic head placed inside to rotate. When the magnetic head rotates directly below the welding machine 4, the vision sensor on the outer surface of the welding machine 4 detects the magnetic head, causing the first stepper motor 8 to stop working. Then, the hydraulic adjusting bracket 2 and the lateral adjusting mechanism 3 are controlled, allowing the welding machine 4 to complete the adjustment of the magnetic head. The spot welding operation; when the magnetic head is spot welding, a large amount of welding fumes are generated. When the second stepper motor 61 works and the second rotating rod 62 and fan blade 63 at the output end rotate, the fan blade 63 generates a downward airflow, which in turn generates suction in the inner cavity of the airflow transfer box 66, thereby generating airflow in the inner cavity of the spiral cooling pipe 744, the vent ring 742 and the wrapping sleeve 746. Finally, the welding fumes generated by spot welding are drawn into the inner cavity of the vent ring 742 to prevent welding fumes from leaking from the outer surface of the magnetic head. Under the action of the spiral cooling pipe 744, the vaporized material is cooled and enters the inner cavity of the barrier box 67 under the influence of the airflow. Finally, the particulate matter and debris in the welding fumes enter the inner cavity of the collection box 611, and the purified gas is discharged from the bottom of the gas box 5.

[0045] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A rotary multi-station magnetic head spot welding machine with welding fume purification effect, characterized in that, include: Rack (1); Welding machine (4); Welding fume purification mechanism (6), which is used to collect solid slag in welding fume, and a gas box (5) fixedly connected to the outer surface of the welding fume purification mechanism (6); A multi-station placement mechanism (7) is used to place multiple magnetic heads; The multi-station placement mechanism (7) includes a rotating disk (71), and a smoking mechanism (74) is passed through the upper surface of the rotating disk (71). There are four smoking mechanisms (74), and the four smoking mechanisms (74) are evenly distributed. The smoking mechanism (74) includes a connecting funnel (741), which is fixedly connected to the inner wall of the rotating disk (71). A spiral cooling pipe (744) passes through the lower surface of the connecting funnel (741).

2. The rotary multi-station magnetic head spot welding machine with welding fume purification effect according to claim 1, characterized in that: A hydraulic adjustment bracket (2) is fixedly connected to the upper surface of the frame (1). A transverse adjustment mechanism (3) is provided at the movable end of the hydraulic adjustment bracket (2). The movable end of the transverse adjustment mechanism (3) is connected to the welding machine (4). The air box (5) is fixedly connected to the inner wall of the frame (1).

3. A rotary multi-station magnetic head spot welding machine with welding fume purification effect according to claim 1, characterized in that: The welding fume purification mechanism (6) includes a second stepper motor (61). A ventilator is provided at the bottom of the inner wall of the gas box (5). The second stepper motor (61) is fixedly connected to the ventilator at the bottom of the inner cavity of the gas box (5). A second rotating rod (62) is installed at the output end of the second stepper motor (61) through a coupling. A fan blade (63) is fixedly connected to the end of the second rotating rod (62). The airflow generated by the rotation of the fan blade (63) is downward.

4. A rotary multi-station magnetic head spot welding machine with welding fume purification effect according to claim 3, characterized in that: A rolling bearing (64) is fixedly connected to the outer surface of the gas box (5). A connecting shell (65) is fixedly connected to the outer ring of the rolling bearing (64). An airflow transfer box (66) is fixedly connected to the inner wall of the connecting shell (65). A connecting pipe (69) is fixedly connected to the inner wall of the connecting shell (65). A barrier box (67) is fixedly connected to the inner wall of the airflow transfer box (66). The barrier box (67) is fixedly connected to the outer surface of the connecting pipe (69). A one-way valve (68) passes through the upper surface of the barrier box (67). The gas flow direction of the one-way valve (68) is from the inner cavity of the barrier box (67) to the top of the barrier box (67).

5. A rotary multi-station magnetic head spot welding machine with welding fume purification effect according to claim 4, characterized in that: A threaded ring (610) is fixedly connected to the upper surface of the airflow transfer box (66). A collection box (611) is threadedly connected to the outer surface of the threaded ring (610). A sealing ring (612) is fixedly connected to the opening on the upper surface of the collection box (611). A ventilator (615) is fixedly connected to the top end of the connecting pipe (69). The upper surface of the ventilator (615) is closed. The ventilator (615) is squeezed and fitted to the inner ring of the sealing ring (612).

6. A rotary multi-station magnetic head spot welding machine with welding fume purification effect according to claim 5, characterized in that: A first inclined ring (613) is fixedly connected to the inner wall of the collection box (611), and a second inclined ring (614) is fixedly connected to the outer surface of the connecting pipe (69). The cross-sections of the first inclined ring (613) and the second inclined ring (614) are parallel, and the first inclined ring (613) is located directly above the second inclined ring (614).

7. A rotary multi-station magnetic head spot welding machine with welding fume purification effect according to claim 6, characterized in that: The rotating disk (71) is fixedly connected to the outer surface of the airflow transfer box (66). A support frame (72) is fixedly connected to the outer surface of the rotating disk (71). An internal gear (73) is fixedly connected to the bottom end of the support frame (72). A first stepper motor (8) is fixedly connected to the outer surface of the air box (5). A first rotating rod (9) is installed at the output end of the first stepper motor (8) through a coupling. An external gear (10) is fixedly connected to the top end of the first rotating rod (9). The external gear (10) meshes with the internal gear (73).

8. A rotary multi-station magnetic head spot welding machine with welding fume purification effect according to claim 7, characterized in that: A package box (75) is fixedly connected to the upper surface of the rotating disk (71), a fixing plate (76) is fixedly connected to the bottom surface of the inner cavity of the package box (75), a positioning frame (77) is fixedly connected to the upper surface of the fixing plate (76), and a soft pad (78) is fixedly connected to the inner wall of the positioning frame (77).

9. A rotary multi-station magnetic head spot welding machine with welding fume purification effect according to claim 8, characterized in that: A vent ring (742) is fixedly connected to the upper surface of the connecting funnel (741). The vent ring (742) is at the same horizontal line as the package box (75). A cover plate (743) is fixedly connected to the upper surface of the vent ring (742). The end of the spiral cooling pipe (744) away from the connecting funnel (741) passes through the airflow transfer box (66). The end of the spiral cooling pipe (744) is located in the inner cavity of the barrier box (67).

10. A rotary multi-station magnetic head spot welding machine with welding fume purification effect according to claim 9, characterized in that: The outer side of the package box (75) is symmetrically connected with a connecting port (745), and a package sleeve (746) is connected to the side of the connecting port (745) away from the package box (75). The package sleeve (746) is fitted on the outer surface of the vent ring (742).

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