Welded part drilling method and device

Abstract

The invention provides a welding part drilling device which comprises a fixed seat, a collecting box is movably mounted on the fixed seat, a supporting seat is fixed to the top of the fixed seat, a mounting seat is welded to the supporting seat, a drilling assembly is fixedly mounted on the mounting seat, a positioning column is welded to the supporting seat, a movable seat is movably mounted on the positioning column, and a drilling assembly is fixedly mounted on the movable seat. A movable plate is movably mounted at the top of the movable seat, and a supporting assembly is movably mounted on the side of the movable seat and the side of the movable plate. According to the welding part drilling device, when the welding part drilling device is used, after a driving motor drives a drill bit to complete drilling, a grinding base moves downwards in the later period, after the grinding base moves downwards, the drill bit shrinks into the grinding base, the grinding base makes contact with a drilling point, and burrs of the drilling point are ground and removed through the grinding base; and the transmission block and the transmission groove are matched to drive the motor to provide required power for rotation of the grinding base, and waste of resources is effectively avoided.

Description

Technical Field

[0001] The invention relates to the field of welding piece drilling equipment, in particular to a welding piece drilling method and device. Background Art

[0002] When processing welded parts, drilling processing equipment is required to perform drilling processing operations, and ordinary drilling processing operations are only single drilling operations, which cannot meet the processing requirements of inconsistent hole positions and inconsistent hole diameters of support beam processing holes, and subsequent grinding cannot be achieved during drilling.

[0003] According to a method and system for drilling holes in welded parts disclosed in the patent document with the existing publication number CN117300210A, the method and system include a control mechanism, a feeding mechanism, a fixing mechanism, a processing mechanism, a transfer mechanism, a grinding and feeding mechanism and a receiving mechanism. The feeding mechanism, the fixing mechanism, the processing mechanism, the transfer mechanism, the grinding and feeding mechanism and the receiving mechanism are connected in sequence to form the continuous production line. The control mechanism is electrically connected to the continuous production line. When the technical scheme is used, the processing is time-consuming, the processing process is cumbersome, and the operation is inconvenient. In addition, the existing drilling processing equipment has a single drilling processing specification, which cannot meet the processing requirements of the support beam, the processing accuracy is insufficient, and the cost is wasted. Regarding the above technical scheme, although the scheme improves the processing accuracy, it is impossible to grind and remove the burrs at the drilling points after the drilling is completed in the later stage, which is inconvenient when used. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a method and device for drilling welded parts to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure. When in use, after the driving motor drives the drill bit to complete the drilling, the grinding seat moves downward at a later time. After the grinding seat moves downward, the drill bit shrinks to the inside of the grinding seat, and the grinding seat contacts the drilling point, and the grinding seat grinds and removes the burrs at the drilling point.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a welding part drilling device, including a fixed seat, a collection box movably installed on the fixed seat, a support seat is fixed on the top of the fixed seat, a mounting seat is welded on the support seat, a drilling assembly is fixedly installed on the mounting seat, a positioning column is welded on the support seat, a movable seat is movably installed on the positioning column, a movable plate is movably installed on the top of the movable seat, a supporting assembly is movably installed on the sides of the movable seat and the movable plate, a displacement mechanism is fixedly installed on the support seat, a movable column is installed on the displacement mechanism, one end of the movable column is fixed on the supporting assembly, and a slot and a fixed slot are respectively provided on the fixed seat, and the slot and the fixed slot are connected.

[0006] Furthermore, a support rod is movably installed inside the fixed groove, a lifting mechanism is movably installed inside the support rod, a fixed rod is movably installed inside the slot, a sliding groove is provided on the fixed rod, a slider is movably installed inside the sliding groove, one end of the slider is fixed to the support rod, protrusions are welded on both ends of the fixed rod, a groove is provided on the inner wall of the slot, and the protrusion is installed inside the groove through a pulling mechanism.

[0007] Furthermore, a limiting groove is opened on the top of the movable seat, a supporting mechanism is movably installed inside the limiting groove, a limiting block is fixed at one end of the supporting mechanism, one end of the limiting block is fixed to the bottom of the movable plate, and a mounting hole and an arc groove are respectively opened on the movable seat, and the movable seat is movably installed on the positioning column through the mounting hole.

[0008] Furthermore, the support assembly includes a right-angle seat, a fixed block is welded on the top of the right-angle seat, a threaded seat is fixed on the fixed block, a threaded column is rotatably installed inside the threaded seat, a push plate is installed at one end of the threaded column, and the push plate is installed on the threaded column through a bearing.

[0009] Furthermore, a positioning rod is welded to the side of the pushing plate, an extrusion plate is movably installed on one side of the pushing plate, a connecting groove is opened on the extrusion plate, a reset mechanism is fixed inside the connecting groove, a connecting block is fixedly installed between the reset mechanisms, one end of the connecting block is fixed on the pushing plate, a workpiece is movably installed between the extrusion plates, and the workpiece is movably installed on the movable plate.

[0010] Furthermore, the drilling assembly includes a fixed cylinder, a motor seat is movably installed on the top of the fixed cylinder, a connecting plate is welded on the side of the motor seat, a pushing mechanism is fixed on the connecting plate, one end of the pushing mechanism is fixed on the mounting seat, an adjusting mechanism is fixed on the mounting seat, one end of the adjusting mechanism is fixed with a rotating seat, and a grinding seat is rotatably installed on the rotating seat.

[0011] Furthermore, an output shaft is installed on the driving motor, a transmission block is welded on the output shaft, a transmission groove is opened on the grinding seat, the transmission block is movably installed inside the transmission groove, and a drill bit is fixedly installed on one end of the output shaft.

[0012] A method for drilling a weldment using the weldment drilling device of claim 1, the method comprising the following steps:

[0013] Step 1, remove the workpiece, move the weldment to the processing position, clamp and move the weldment to the designated processing position, the designated processing position is provided with a clamping device, and the clamping device is opened and closed and connected to the weldment;

[0014] Step 2: Processing preparation;

[0015] Step 3: drilling, performing drilling operation, the processing equipment performs processing operation, and obtains welded parts with inconsistent processing hole sizes and inconsistent processing positions;

[0016] Step 4: Arrange the operation;

[0017] Step 5: Continuous processing.

[0018] Furthermore, in the step 2, the weldment is fixed on the operating table, the specifications of each processing equipment are adjusted according to the processing requirements of the weldment, and each processing equipment is moved to a designated position for processing.

[0019] Furthermore, finishing operations are performed in steps 4 and 5, burrs on the processed welded parts are polished, and then zinc supplementation operations are performed, the welded parts that have completed the zinc supplementation operations are stacked at designated locations, and subsequent welded parts are further processed in the order of steps 1 to 4.

[0020] Beneficial effects of the present invention:

[0021] 1. When the welding part drilling device is in use, the driving motor drives the drill bit to complete the drilling, and the grinding seat moves downward at a later time. After the grinding seat moves downward, the drill bit shrinks to the inside of the grinding seat, and the grinding seat contacts the drilling point. The grinding seat grinds and removes the burrs on the drilling point. The driving motor cooperates with the transmission block and the transmission slot to provide the required power for the rotation of the grinding seat, which effectively avoids the waste of resources.

[0022] 2. In the welding part drilling device, the displacement mechanism pushes the right-angle seat and the movable seat to contact and extrude, and the extrusion completes the limit fixation of the movable seat. In addition, after the right-angle seat limits the movable seat, it is convenient to push the horizontal movement of the movable seat. The workpiece is clamped between the extrusion plates. Later, the movable plate drives the workpiece to move back and forth on the movable seat. The movable plate drives the extrusion plate to move back and forth through the workpiece while clamping and fixing it. After the movable plate moves under the push of the support mechanism, it is convenient to quickly return to its position.

[0023] 3. The welding part drilling device is configured such that the right-angle seat is separated from the movable seat after the drilling is completed, and the movable seat is flipped on the positioning column after losing the limit. After the movable seat is flipped, the debris on the surface is cleaned. In addition, after the support rod and the lifting mechanism slide out of the fixed groove at a later stage, the support rod is used to limit and fix the collection box on the one hand, and the lifting mechanism inside the support rod is convenient for pushing the workpiece upward to the movable plate for early rapid installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the method for drilling a weldment of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the welding piece drilling device of the present invention;

[0026] Figure 3 It is a schematic diagram of the structure of the limit groove of the welding piece drilling device of the present invention;

[0027] Figure 4 It is a schematic structural diagram of the support assembly of the welding piece drilling device of the present invention;

[0028] Figure 5 It is a structural schematic diagram of a fixing rod of a welding piece drilling device of the present invention;

[0029] Figure 6 It is a structural schematic diagram of a drilling assembly of a welding piece drilling device of the present invention;

[0030] Figure 7 It is a schematic diagram of the side cross-sectional structure of the mounting base of the welding piece drilling device of the present invention;

[0031] Figure 8 It is a schematic diagram of the cross-sectional structure of the grinding seat of the welding part drilling device of the present invention from top view;

[0032] In the figure: 1, fixed seat; 2, collection box; 3, support seat; 4, positioning column; 5, movable column; 6, displacement mechanism; 7, slot; 8, fixed slot; 9, support rod; 10, movable seat; 11, support assembly; 12, mounting seat; 13, drilling assembly; 14, fixed rod; 15, slide groove; 16, limit groove; 17, support mechanism; 18, limit block; 19, arc groove; 20, right-angle seat; 21, fixed block; 22, threaded column; 23. Positioning rod; 24. Pushing plate; 25. Extrusion plate; 26. Connecting groove; 27. Reset mechanism; 28. Connecting block; 29. ​​Lifting mechanism; 30. Bump; 31. Tension mechanism; 32. Fixing cylinder; 33. Motor seat; 34. Connecting plate; 35. Pushing mechanism; 36. Driving motor; 37. Adjusting mechanism; 38. Output shaft; 39. Rotating seat; 40. Grinding seat; 41. Transmission groove; 42. Transmission block; 43. Drill bit. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0034] See also Figures 1 to 8The present invention provides a technical solution: a welding part drilling device, comprising a fixed seat 1, a collecting box 2 is movably installed on the fixed seat 1, a supporting seat 3 is fixed on the top of the fixed seat 1, a mounting seat 12 is welded on the supporting seat 3, a drilling assembly 13 is fixedly installed on the mounting seat 12, a positioning column 4 is welded on the supporting seat 3, a movable seat 10 is movably installed on the positioning column 4, a movable plate is movably installed on the top of the movable seat 10, a supporting assembly 11 is movably installed on the side of the movable seat 10 and the movable plate, a displacement mechanism 6 is fixedly installed on the support seat 3, a movable column 5 is installed on the displacement mechanism 6, one end of the movable column 5 is fixed on the supporting assembly 11, a slot 7 and a fixed slot 8 are respectively provided on the fixed seat 1, the slot 7 and the fixed slot 8 are connected, the displacement mechanism 6 is a linear reciprocating electric push rod, the displacement mechanism 6 pushes the right-angle seat 20 to contact the movable seat 10 through the movable column 5, and the right-angle seat 20 is a limit fixation for the movable seat 10 while facilitating the horizontal movement adjustment of the movable seat 10 in the later stage.

[0035] In this embodiment, a support rod 9 is movably installed inside the fixed groove 8, and a lifting mechanism 29 is movably installed inside the support rod 9. The lifting mechanism 29 is a linear reciprocating electric push rod. The workpiece is placed at one end of the lifting mechanism 29 at a later stage. The workpiece is lifted to one side of the movable plate under the push of the lifting mechanism 29. The workpiece is horizontally slidably installed on the movable plate for clamping and fixing. A fixed rod 14 is movably installed inside the slot 7. A slide groove 15 is opened on the fixed rod 14. A slider is movably installed inside the slide groove 15. One end of the slider is fixed on the support rod 9. Both ends of the fixed rod 14 are welded with bumps 30. The inner wall of the slot 7 is provided with a fixed rod 14. A groove is opened, and the protrusion 30 is installed inside the groove through a pulling mechanism 31. A limiting groove 16 is opened on the top of the movable seat 10, and a supporting mechanism 17 is movably installed inside the limiting groove 16. A limiting block 18 is fixed at one end of the supporting mechanism 17, and one end of the limiting block 18 is fixed to the bottom of the movable plate. The movable seat 10 is respectively opened with a mounting hole and an arc groove 19. The movable seat 10 is movably installed on the positioning column 4 through the mounting hole. The pulling mechanism 31 and the supporting mechanism 17 are both springs. In the later stage, the movable plate squeezes the supporting mechanism 17 through a slider to realize the forward and backward movement of the workpiece, and the forward and backward movement of the workpiece adjusts the position of the drilling hole.

[0036] In this embodiment, the support assembly 11 includes a right-angle seat 20, a fixed block 21 is welded on the top of the right-angle seat 20, a threaded seat is fixed on the fixed block 21, a threaded column 22 is rotatably installed inside the threaded seat, a push plate 24 is installed at one end of the threaded column 22, the push plate 24 is installed on the threaded column 22 through a bearing, a positioning rod 23 is welded on the side of the push plate 24, an extrusion plate 25 is movably installed on one side of the push plate 24, a connecting groove 26 is opened on the extrusion plate 25, a reset mechanism 27 is fixed inside the connecting groove 26, a connecting block 28 is fixedly installed between the reset mechanisms 27, one end of the connecting block 28 is fixed on the push plate 24, a workpiece is movably installed between the extrusion plates 25, and the workpiece is movably installed on the movable plate, the reset mechanism 27 is a reset spring, and when the extrusion plate 25 loses the push of the workpiece in the later stage, the extrusion plate 25 cooperates with the reset mechanism 27 to push the workpiece to move to the original position and return to its original position.

[0037] In this embodiment, the drilling assembly 13 includes a fixed cylinder 32, a motor seat 33 is movably installed on the top of the fixed cylinder 32, a connecting plate 34 is welded to the side of the motor seat 33, a pushing mechanism 35 is fixed on the connecting plate 34, one end of the pushing mechanism 35 is fixed on the mounting seat 12, an adjusting mechanism 37 is fixed on the mounting seat 12, a rotating seat 39 is fixed on one end of the adjusting mechanism 37, a grinding seat 40 is rotatably installed on the rotating seat 39, and an output shaft 38 is installed on the driving motor 36 A transmission block 42 is welded on the output shaft 38, a transmission groove 41 is opened on the grinding seat 40, the transmission block 42 is movably installed inside the transmission groove 41, a drill bit 43 is fixedly installed at one end of the output shaft 38, the pushing mechanism 35 and the adjusting mechanism 37 are both linear reciprocating electric push rods, the pushing mechanism 35 and the adjusting mechanism 37 control the positions of the grinding seat 40 and the drill bit 43, and the grinding seat 40 and the drill bit 43 move up and down at the same time in the later stage, so that the transmission block 42 and the transmission groove 41 are always in contact to complete the power transmission.

[0038] A method for drilling a weldment using the weldment drilling device of claim 1, the method comprising the following steps:

[0039] Step 1, remove the workpiece, move the weldment to the processing position, clamp and move the weldment to the designated processing position, the designated processing position is provided with a clamping device, and the clamping device is opened and closed and connected to the weldment;

[0040] Step 2: Processing preparation;

[0041] Step 3: drilling, performing drilling operation, and processing equipment performing processing operation to obtain welded parts with inconsistent processing hole sizes and inconsistent processing positions;

[0042] Step 4: Arrange the operation;

[0043] Step 5: Continuous processing.

[0044] In this embodiment, in step 2, the weldment is fixed on the operating table, the specifications of each processing equipment are adjusted according to the processing requirements of the weldment, and each processing equipment is moved to a designated position for processing. In steps 4 and 5, finishing operations are performed, the burrs of the processed weldment are ground off, and then zinc supplementation is performed. The weldment that has completed the zinc supplementation operation is stacked at a designated position, and subsequent weldments are processed in the order of steps 1 to 4.

[0045] When the device is in use, the support rod 9 is pulled out from the inside of the fixed groove 8 by the handle. When the support rod 9 moves outward, the fixed rod 14 moves inside the slot 7. When the fixed rod 14 moves, the protrusion 30 moves inside the groove, and the movement completes the extrusion of the tension mechanism 31. When the fixed rod 14 moves to the opening of the slot 7, the support rod 9 is pulled out from the inside of the fixed groove 8, and the support rod 9 is moved inside the slide groove 15 through the slider. After the slider moves to one end of the slide groove 15, the support rod 9 is limited and fixed. After the support rod 9 moves to one side of the fixed seat 1, the tension generated by the tension mechanism 31 makes the support rod 9 contact with the fixed seat 1 for limiting, so that the support rod 9 completes the fixing. The fixed rod 14 is limited, and the support rod 9 is installed on one side of the fixed seat 1 and contacts the side of the collecting box 2 to limit and fix it, so as to prevent the collecting box 2 from shaking inside the fixed seat 1. Before the workpiece is placed on the movable plate, the workpiece is placed on the lifting mechanism 29, and the lifting mechanism 29 pushes the workpiece to rise. After the workpiece rises, it moves to one side of the movable plate and the movable seat 10, and the workpiece is horizontally moved and slid to be installed on the movable plate, and the displacement mechanism 6 is started to push the movable column 5 to move inward. The movable column 5 pushes the right-angle seat 20 to move inward and contact with the movable seat 10 for extrusion and fixation. After the right-angle seat 20 contacts with the movable seat 10, the movable seat 10 cannot rotate, and the movable seat 10 is moved by the right-angle seat 20. The position of the drilling hole is adjusted by sliding horizontally on the positioning column 4. In addition, the threaded column 22 is rotated to push the pushing plate 24 and the squeezing plate 25 to extrude the workpiece. The workpiece is squeezed and limited on the movable plate. Later, when drilling, the workpiece is pushed, and the workpiece and the movable plate slide inside the limiting groove 16. When the workpiece slides, the squeezing plate 25 moves back and forth on the pushing plate 24. The forward and backward movement of the workpiece adjusts the position of the drilling point back and forth. After the drilling point is adjusted, the pushing mechanism 35 and the adjusting mechanism 37 are started. The pushing mechanism 35 pushes the motor seat 33 to move downward. When the motor seat 33 moves downward, the drill bit 43 and the output shaft 38 move downward at the same time. The grinding seat 40 is pushed by the adjusting mechanism 37. The grinding seat 40 is moved downward and the transmission block 42 on the output shaft 38 is always matched with the transmission groove 41 to drive the grinding seat 40 to rotate. Later, after the drilling is completed, the output shaft 38 moves upward and the grinding seat 40 moves downward. The grinding seat 40 contacts the drilling point for grinding. The debris generated by grinding falls into the collection box 2 for collection. After collection, the support rod 9 is retracted into the fixed groove 8. The collection box 2 is convenient for sliding out and cleaning later. The right-angle seat 20 loses the limit of the movable seat 10. After the workpiece is taken out, the movable seat 10 rotates on the positioning column 4 through the opening. The rotation discharges the debris on the movable seat 10 to the outside for cleaning, which is convenient for later processing.

[0046] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0047] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A welding piece drilling device, comprising a fixing seat (1), characterized in that: A collecting box (2) is movably mounted on the fixing seat (1); a supporting seat (3) is fixed on the top of the fixing seat (1); a mounting seat (12) is welded on the supporting seat (3); a drilling assembly (13) is fixedly mounted on the mounting seat (12); a positioning column (4) is welded on the supporting seat (3); a movable seat (10) is movably mounted on the positioning column (4); a movable plate is movably mounted on the top of the movable seat (10); a supporting assembly (11) is movably mounted on the side of the movable seat (10) and the movable plate; a displacement mechanism (6) is fixedly mounted on the supporting seat (3); a movable column (5) is mounted on the displacement mechanism (6); one end of the movable column (5) is fixed on the supporting assembly (11); a slot (7) and a fixing slot (8) are respectively formed on the fixing seat (1); the slot (7) and the fixing slot (8) are connected.

2. The welding piece drilling device according to claim 1, characterized in that: A support rod (9) is movably installed inside the fixed groove (8), a lifting mechanism (29) is movably installed inside the support rod (9), a fixed rod (14) is movably installed inside the slot (7), a slide groove (15) is provided on the fixed rod (14), a slider is movably installed inside the slide groove (15), one end of the slider is fixed on the support rod (9), both ends of the fixed rod (14) are welded with a protrusion (30), a groove is provided on the inner wall of the slot (7), and the protrusion (30) is installed inside the groove through a tension mechanism (31).

3. The welding piece drilling device according to claim 1, characterized in that: A limiting groove (16) is provided on the top of the movable seat (10), a supporting mechanism (17) is movably installed inside the limiting groove (16), a limiting block (18) is fixed at one end of the supporting mechanism (17), one end of the limiting block (18) is fixed to the bottom of the movable plate, a mounting hole and an arc groove (19) are respectively provided on the movable seat (10), and the movable seat (10) is movably installed on the positioning column (4) through the mounting hole.

4. The welding piece drilling device according to claim 1, characterized in that: The support assembly (11) comprises a right-angle seat (20), a fixing block (21) is welded on the top of the right-angle seat (20), a threaded seat is fixed on the fixing block (21), a threaded column (22) is rotatably mounted inside the threaded seat, a push plate (24) is mounted on one end of the threaded column (22), and the push plate (24) is mounted on the threaded column (22) via a bearing.

5. The welding piece drilling device according to claim 4, characterized in that: A positioning rod (23) is welded to the side of the pushing plate (24); an extrusion plate (25) is movably mounted on one side of the pushing plate (24); a connecting groove (26) is formed on the extrusion plate (25); a reset mechanism (27) is fixed inside the connecting groove (26); a connecting block (28) is fixed between the reset mechanisms (27); one end of the connecting block (28) is fixed on the pushing plate (24); a workpiece is movably mounted between the extrusion plates (25); and the workpiece is movably mounted on the movable plate.

6. The welding piece drilling device according to claim 1, characterized in that: The drilling assembly (13) comprises a fixed cylinder (32) and a driving motor (36); a motor seat (33) is movably mounted on the top of the fixed cylinder (32); a connecting plate (34) is welded to the side of the motor seat (33); a pushing mechanism (35) is fixed on the connecting plate (34); one end of the pushing mechanism (35) is fixed on the mounting seat (12); an adjusting mechanism (37) is fixed on the mounting seat (12); a rotating seat (39) is fixed on one end of the adjusting mechanism (37); a grinding seat (40) is rotatably mounted on the rotating seat (39).

7. The welding piece drilling device according to claim 6, characterized in that: An output shaft (38) is mounted on the driving motor (36), a transmission block (42) is welded on the output shaft (38), a transmission groove (41) is formed on the grinding seat (40), the transmission block (42) is movably mounted inside the transmission groove (41), and a drill bit (43) is fixedly mounted on one end of the output shaft (38).

8. A method for drilling a weldment using the weldment drilling device according to claim 1, characterized in that: The welding part drilling method comprises the following steps: Step 1, remove the workpiece, move the weldment to the processing position, clamp and move the weldment to the designated processing position, the designated processing position is provided with a clamping device, and the clamping device is opened and closed and connected to the weldment; Step 2: Processing preparation; Step 3: drilling, performing drilling operation, the processing equipment performs processing operation, and obtains welded parts with inconsistent processing hole sizes and inconsistent processing positions; Step 4: Arrange the operation; Step 5: Continuous processing.

9. The method for drilling a weldment according to claim 8, characterized in that: In the step 2, the weldment is fixed on the operating table, the specifications of each processing equipment are adjusted according to the processing requirements of the weldment, and each processing equipment is moved to a designated position for processing.

10. The welding part drilling method according to claim 8, characterized in that: In the steps 4 and 5, finishing operations are performed, the burrs of the processed welded parts are polished, and then zinc supplementation operations are performed, the welded parts that have completed the zinc supplementation operations are stacked at designated locations, and subsequent welded parts are further processed in the order of steps 1 to 4.

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