Mechanical part welding mechanism with correction function

Abstract

The invention discloses a mechanical part welding mechanism with a correction function, and relates to the technical field of mechanical parts. The mechanical part welding mechanism with the correction function comprises a vertical table, a workbench is arranged on the left side surface of the vertical table, a guide rail is arranged at the top end of the workbench, and a correction device is slidably mounted at the top end of the guide rail; a welding device is arranged at the top end of the vertical table, a linkage rod is arranged on the surface of the welding device, a limiting knocking device is arranged at the right end of the correcting device, a protection door is arranged at the front end of the workbench, a protection device is arranged at the front end of the workbench, and a fixing table is arranged at the front end of the workbench. According to the welding device, the moving plate moves upwards to be in contact with the fixed plate and then is fixed, so that the top of a to-be-welded object is kept horizontal, and the situation that the welding quality is affected due to welding errors caused by different fixing positions of the two objects due to different thicknesses of the to-be-welded objects during welding is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical parts, in particular to a mechanical part welding mechanism with a correction function. Background Art

[0002] Welding is a processing method that combines welded parts by heating or pressurizing. According to the different welding processes, welding methods can be divided into three categories: pressure welding, fusion welding and brazing. Among them, arc welding is the most commonly used in fusion welding.

[0003] The patent with patent announcement number CN117817222B relates to a mechanical parts welding mechanism with a correction function, including a frame and a base fixedly connected to the bottom end of the frame; an electric welder, which is used to weld mechanical parts; a rotating device, which is used to rotate the mechanical parts and rotate a fixed ring connected to the outer surface of the rotating device. By setting the rotating device, the clamping device clamping the mechanical parts can be rotated, so that the welding ports of the two mechanical parts can be aligned together, and after the alignment, the mechanical parts can no longer rotate; the clamping device, by setting the clamping device, the special-shaped mechanical parts to be welded can be clamped, so that when the two mechanical parts are welded together, the welding ports of the parts are tightly aligned, so as to achieve the effect of stably clamping and welding the two special-shaped mechanical parts.

[0004] In the above patent, the special-shaped mechanical parts to be welded can be clamped by a clamping device, so that when the two mechanical parts are welded together, the welding ports of the parts are tightly aligned, thereby achieving the effect of stably clamping and welding the two special-shaped mechanical parts. However, when the thicknesses of the two special-shaped mechanical parts are inconsistent, the tops of the two special-shaped mechanical parts may not be kept on the same horizontal plane when they are fixed, which affects the welding effect and quality. Summary of the invention

[0005] In view of the deficiencies of the prior art, the present invention provides a mechanical parts welding mechanism with a correction function, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the present invention is implemented through the following technical solutions: a mechanical parts welding mechanism with correction function, comprising a stand, a workbench is arranged on the left surface of the stand, a guide rail is arranged on the top of the workbench, a correction device is arranged on the top of the guide rail, a welding device is arranged on the top of the stand, a linkage rod is arranged on the surface of the welding device, a limited position knocking device is arranged on the right end of the correction device, a protective door is arranged at the front end of the workbench, a protective device is arranged at the front end of the workbench, a fixed platform is arranged at the front end of the workbench, and baffles are arranged at the left and right ends of the workbench; Wherein, the correction device includes a triangular block, a transmission block, an inclined plane block, a spring plate, a moving plate, a fixed plate, a fixed block, an inclined plane plate, a square table, an electric push rod, a vertical table, a poking rod and a rectangular empty shell. The square table is slidably installed on the top end of the guide rail, the electric push rod is fixedly installed on the right end of the square table, the vertical table is fixedly installed on the output end of the electric push rod, the moving plate is slidably installed on the right end surface of the vertical table, the inclined plane plate is slidably installed on the top end of the moving plate, the fixed plate is slidably installed on the right end surface of the vertical table, the fixed block is fixedly installed on the right end surface of the vertical table, the spring plate is fixedly installed on the bottom end of the moving plate, the rectangular empty shell is fixedly installed on the left end of the square table, the inclined plane block is slidably installed inside the rectangular empty shell, the transmission block is slidably installed inside the rectangular empty shell, the triangular block is slidably installed inside the rectangular empty shell, the poking rod is slidably installed on the left end surface of the square table, the movement of the triangular block pushes the inclined plane block to move upward, the upward movement of the inclined plane block pushes the moving plate to move upward, the moving plate moves upward and contacts the fixed plate and is fixed, so that the top of the welded object remains horizontal.

[0007] According to the above technical solution, the inclined plane block is on the motion track of the transmission block, and the transmission block moves leftward to push the inclined plane block to move upward. The spring plate is on the motion track of the inclined plane block, and the inclined plane block moves upward to push the spring plate to move upward.

[0008] According to the above technical solution, the fixed block is on the movement track of the inclined plate. After the inclined plate moves upward, the fixed block pushes the inclined plate to move away from the vertical platform. A limiting groove is provided at the top of the guide rail, and the shape of the limiting groove matches the limiting rod.

[0009] According to the above technical scheme, the limit knocking device includes a pressure plate, a limit rod, a boss, an inclined plate, a limit block, an L-shaped block, a rotating shaft and a knocking rod. The pressure plate is slidably installed on the left end surface of the square table, the limit rod is fixedly installed on the bottom end of the pressure plate, the boss is fixedly installed on the left end of the pressure plate, the L-shaped block is slidably installed on the rear end of the vertical table, the inclined plate is hinged at the right end of the L-shaped block, the limit block is fixedly installed on the right end of the L-shaped block, the rotating shaft is fixedly installed on the rear end of the vertical table, and the knocking rod is rotatably installed on the circumferential surface of the rotating shaft. When the boss is out of contact with the inclined plate, the L-shaped block resets to knock the knocking rod, the knocking rod rotates around the rotating shaft, and the knocking rod knocks the welded object after welding.

[0010] According to the above technical solution, the poking rod is on the movement trajectory of the pressure plate, and the downward movement of the pressure plate pushes the poking rod downward. The end of the inclined plate close to the pressure plate is set as an inclined surface, so that when the boss moves upward, it pushes the inclined plate to move leftward.

[0011] According to the above technical solution, a torsion spring is arranged between the inclined plate and the L-shaped block, and the torsion spring is responsible for resetting the inclined plate. A reset spring is arranged between the L-shaped block and the vertical table, and the reset spring is responsible for resetting the L-shaped block.

[0012] According to the above technical scheme, the protection device includes a pressure rod, a moving rod, a pushing rod, a spring block, a pushing block, a connecting rod, a limit platform, a hinged rod, a trapezoidal rod, a switch rod, a switch and a fan. The pressure rod is fixedly installed on the right end of the connecting rod, the moving rod is slidably installed on the top of the workbench, the pushing rod is slidably installed on the top of the workbench, the spring block is slidably installed on the right end of the protective door, the pushing block is slidably installed inside the rectangular empty shell, the connecting rod is slidably installed on the top of the fixed platform, the limit platform is fixedly installed on the top of the fixed platform, the hinged rod is hinged at the top of the fixed platform, the trapezoidal rod is slidably installed on the right end of the protective door, the fan is fixedly installed on the upper side of the right end of the protective door, the switch rod is slidably installed on the bottom end of the fan, and the switch is fixedly installed on the bottom end of the fan. The hinged rod is reset, and the limit platform is reset when welding is completed. The hinged rod contacts the trapezoidal rod, the trapezoidal rod moves upward, the trapezoidal rod moves upward to push the switch rod to move right, and the switch rod moves right to contact the switch.

[0013] According to the above technical solution, the connecting rod is on the motion trajectory of the push block, and the push block moves toward the protective door, driving the connecting rod to move toward the protective door. The switch is on the motion trajectory of the switch rod, and the switch rod moves upward to push the switch to the right.

[0014] The present invention provides a mechanical parts welding mechanism with a correction function. It has the following beneficial effects: (1) In the present invention, when the welding device descends to prepare for welding, the welding device drives the linkage rod to descend, and the linkage rod descends to press the pressure plate to make the pressure plate move downward. The downward movement of the pressure plate drives the poking rod to move downward, and the downward movement of the poking rod pushes the triangular block to the left, and the movement of the triangular block pushes the inclined plane block to move upward, and the upward movement of the inclined plane block pushes the moving plate to move upward, and the moving plate moves upward and contacts the fixed plate and is fixed, so that the top of the welded object remains horizontal, and the different thicknesses of the welded objects during welding will not cause different fixed positions of the two objects, which will cause welding errors and affect the welding quality. At the same time, when the inclined plate contacts the fixed block, the inclined plate moves to the right, so that the two objects to be welded move relative to each other so that the welding area is closely fitted, and the welding quality is not affected.

[0015] (2) In this invention, when the welding device descends to prepare for welding, the welding device drives the linkage rod to descend, and the linkage rod descends to press the pressure plate to make the pressure plate move downward. The downward movement of the pressure plate drives the limit rod to move downward, and the limit rod moves downward and is inserted into the limit groove provided on the guide rail to limit the vertical table, so as to prevent the vertical table from sliding on the guide rail due to misoperation or other reasons during welding, so that the displacement during welding affects the welding and causes the welding quality to decrease. At the same time, when the pressure plate moves downward, the boss contacts the inclined plate, causing the inclined plate to rotate downward. When the welding is completed, the linkage rod is reset and disengaged from the pressure plate, the pressure plate is reset, the boss contacts the inclined surface of the inclined plate, pushes the inclined plate to move left, and the inclined plate moves leftward and pushes the L-shaped block to move leftward. When the boss is disengaged from the inclined plate, the L-shaped block is reset to knock the knocking rod, and the knocking rod rotates around the rotating shaft, and the knocking rod knocks the welded object after welding to prevent welding slag from being left on the welded object, eliminating the need for manual cleaning, making the device more convenient to use and reducing the workload of workers.

[0016] (3) In the present invention, when the welding device is lowered to prepare for welding, the welding device will drive the linkage rod to lower, the linkage rod lowering drives the pressure rod to lower, the pressure rod lowering drives the movable rod to move, the movable rod movement drives the push rod to move, the push rod movement presses the spring block, the spring block is retracted into the protective door to release the baffle from limiting the protective door, and the protective door is closed. At the same time, the linkage rod lowers and presses the pressure plate, the pressure plate moves downward and drives the poking rod to move downward, the poking rod moves downward and drives the triangular block to move leftward, the triangular block moves leftward and drives the transmission block to move leftward, the transmission block moves leftward and drives the push block to move leftward, the push block moves leftward and drives the linkage rod to move leftward. The connecting rod moves to the left, and the connecting rod moves to the left to push the limit table to move to the left and insert into the groove on the protective door to prevent the protective door from being opened during welding and sparks from flying, which may cause danger to the workers. At the same time, when the limit table moves into the groove, the hinged rod contacts the trapezoidal rod, and the hinged rod rotates to the right. When the limit table is fully inserted, the hinged rod resets. When the welding is completed, the limit table resets, the hinged rod contacts the trapezoidal rod, and the trapezoidal rod moves upward. The trapezoidal rod moves upward and pushes the switch rod to move to the right. The switch rod moves to the right and contacts the switch, turning on the fan to cool down the welded objects so that the workers can proceed to the next step more quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the position relationship between the correction device and the pressing plate of the present invention; Figure 3 It is a schematic diagram of the structure of the correction device of the present invention; Figure 4 It is a schematic diagram of the position relationship between the limit rod and the guide rail of the present invention; Figure 5 It is a schematic diagram of the structure of the limit knocking device of the present invention; Figure 6 This is a schematic diagram of the position relationship between the spring block and the protective door of the present invention; Figure 7 It is a schematic diagram of the structure of the protection device of the present invention; Figure 8 It is a schematic diagram of the position relationship between the limit platform and the hinge rod of the present invention; Fig. 9 It is a schematic diagram of the position relationship between the trapezoidal rod and the switch rod of the present invention.

[0018] In the figure: 1, vertical table; 2, workbench; 3, guide rail; 401, triangular block; 402, transmission block; 403, inclined block; 404, spring plate; 405, moving plate; 406, fixed plate; 407, fixed block; 408, inclined plate; 409, square table; 410, electric push rod; 411, vertical table; 412, poking rod; 413, rectangular shell; 5, connecting rod; 601, pressure plate; 602, limit rod; 603, Boss; 604, inclined plate; 605, limit block; 606, L-shaped block; 607, rotating shaft; 608, knock rod; 701, pressure rod; 702, moving rod; 703, pushing rod; 704, spring block; 705, pushing block; 706, connecting rod; 707, limit platform; 708, hinged rod; 709, trapezoidal rod; 710, switch rod; 711, switch; 712, fan; 8, protective door; 9, fixed platform; 10, baffle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 9 A mechanical parts welding mechanism with a correction function comprises a stand 1, a workbench 2 is arranged on the left surface of the stand 1, a guide rail 3 is arranged on the top of the workbench 2, a correction device is arranged on the top of the guide rail 3, a welding device is arranged on the top of the stand 1, a linkage rod 5 is arranged on the surface of the welding device, a limited position knocking device is arranged on the right end of the correction device, a protection door 8 is arranged at the front end of the workbench 2, a protection device is arranged at the front end of the workbench 2, a fixed platform 9 is arranged at the front end of the workbench 2, and baffles 10 are arranged on the left and right ends of the workbench 2; The correction device includes a triangular block 401, a transmission block 402, an inclined block 403, a spring plate 404, a moving plate 405, a fixed plate 406, a fixed block 407, an inclined plate 408, a square table 409, an electric push rod 410, a vertical table 411, a poking rod 412 and a rectangular empty shell 413. The square table 409 is slidably mounted on the top of the guide rail 3, the electric push rod 410 is fixedly mounted on the right end of the square table 409, the vertical table 411 is fixedly mounted on the output end of the electric push rod 410, the moving plate 405 is slidably mounted on the right end surface of the vertical table 411, the inclined plate 408 is slidably mounted on the top of the moving plate 405, and the fixed plate 406 is slidably mounted on the vertical table 4 11, the fixed block 407 is fixedly installed on the right end surface of the vertical table 411, the spring plate 404 is fixedly installed on the bottom end of the moving plate 405, the rectangular empty shell 413 is fixedly installed on the left end of the square table 409, the inclined block 403 is slidably installed inside the rectangular empty shell 413, the transmission block 402 is slidably installed inside the rectangular empty shell 413, the triangular block 401 is slidably installed inside the rectangular empty shell 413, and the poking rod 412 is slidably installed on the left end surface of the square table 409, so that the two objects to be welded can move relative to each other so that the left and right ends of the area to be welded can be tightly fitted, so as to prevent the left and right ends of the area to be welded from not being tightly fitted during welding, which will affect the welding quality.

[0021] The inclined plane block 403 is on the motion track of the transmission block 402. The transmission block 402 moves leftward to push the inclined plane block 403 to move upward. The spring plate 404 is on the motion track of the inclined plane block 403. The inclined plane block 403 moves upward to push the spring plate 404 to move upward.

[0022] The fixed block 407 is on the moving track of the inclined plate 408. After the inclined plate 408 moves upward, the fixed block 407 pushes the inclined plate 408 to move away from the vertical platform 411. A limiting groove is provided at the top of the guide rail 3, and the shape of the limiting groove matches the limiting rod 602.

[0023] The limit striking device includes a pressing plate 601, a limit rod 602, a boss 603, an inclined plate 604, a limit block 605, an L-shaped block 606, a rotating shaft 607 and a striking rod 608. The pressing plate 601 is slidably mounted on the left end surface of the square platform 409, the limit rod 602 is fixedly mounted on the bottom end of the pressing plate 601, the boss 603 is fixedly mounted on the left end of the pressing plate 601, the L-shaped block 606 is slidably mounted on the rear end of the vertical platform 411, the inclined plate 604 is hinged at the right end of the L-shaped block 606, the limit block 605 is fixedly mounted on the right end of the L-shaped block 606, the rotating shaft 607 is fixedly mounted on the rear end of the vertical platform 411, and the striking rod 608 is rotatably mounted on the circumferential surface of the rotating shaft 607 to prevent welding slag after welding from being left on the welded objects, eliminating the manual cleaning step, making the device more convenient to use and reducing the workload of workers.

[0024] The poking rod 412 is on the motion track of the pressing plate 601. The pressing plate 601 moves downward to push the poking rod 412 downward. The end of the inclined plate 604 close to the pressing plate 601 is set as an inclined surface, so that when the boss 603 moves upward, it pushes the inclined plate 604 to move leftward.

[0025] A torsion spring is provided between the inclined plate 604 and the L-shaped block 606 , and the torsion spring is responsible for resetting the inclined plate 604 . A return spring is provided between the L-shaped block 606 and the vertical platform 411 , and the return spring is responsible for resetting the L-shaped block 606 .

[0026] The protection device includes a pressure rod 701, a movable rod 702, a push rod 703, a spring block 704, a push block 705, a connecting rod 706, a limit table 707, a hinged rod 708, a trapezoidal rod 709, a switch rod 710, a switch 711 and a fan 712. The pressure rod 701 is fixedly installed on the right end of the linkage rod 5, the movable rod 702 is slidably installed on the top of the workbench 2, the push rod 703 is slidably installed on the top of the workbench 2, the spring block 704 is slidably installed on the right end of the protection door 8, and the push block 705 is slidably installed on the rectangular Inside the empty shell 413, the connecting rod 706 is slidably installed on the top of the fixed platform 9, the limit platform 707 is fixedly installed on the top of the fixed platform 9, the hinged rod 708 is hinged on the top of the fixed platform 9, the trapezoidal rod 709 is slidably installed on the right end of the protective door 8, the fan 712 is fixedly installed on the upper right end of the protective door 8, the switch rod 710 is slidably installed on the bottom end of the fan 712, and the switch 711 is fixedly installed on the bottom end of the fan 712 to cool down the welded objects so that the staff can proceed to the next step more quickly.

[0027] The connecting rod 706 is on the movement trajectory of the push block 705. The push block 705 moves toward the direction close to the protective door 8, driving the connecting rod 706 to move toward the direction close to the protective door 8. The switch 711 is on the movement trajectory of the switch rod 710. The switch rod 710 moves upward and pushes the switch 711 to move to the right.

[0028] During operation: when the welding device descends to prepare for welding, the welding device will drive the linkage rod 5 to descend, and the linkage rod 5 descends to press the pressure plate 601 to make the pressure plate 601 move downward, and the downward movement of the pressure plate 601 drives the poking rod 412 to move downward, and the downward movement of the poking rod 412 pushes the triangular block 401 to the left, and the movement of the triangular block 401 pushes the inclined plane block 403 to move upward, and the upward movement of the inclined plane block 403 pushes the moving plate 405 to move upward, and the moving plate 405 moves upward and contacts the fixed plate 406 and is fixed, so that the top of the welded object remains horizontal, to prevent the different thicknesses of the welded objects from causing different fixed positions of the two during welding, which causes welding errors and affects the welding quality. At the same time, when the inclined plate 408 contacts the fixed block 407, the inclined plate 408 moves to the right, so that the two objects to be welded move relative to each other so that the left and right ends of the area to be welded are tightly fitted, to prevent the left and right ends of the area to be welded from not fitting tightly during welding, which affects the welding quality.

[0029] When the welding device descends to prepare for welding, the welding device will drive the linkage rod 5 to descend, and the linkage rod 5 descends to press the pressure plate 601 to make the pressure plate 601 move downward, and the downward movement of the pressure plate 601 drives the limit rod 602 to move downward, and the limit rod 602 moves downward and is inserted into the limit groove provided on the guide rail 3 to limit the vertical table 410 to prevent the vertical table 410 from sliding on the guide rail 3 due to misoperation or other reasons during welding, so that the displacement generated during welding affects the welding and causes the welding quality to decrease. At the same time, when the pressure plate 601 moves downward, the boss 603 contacts the inclined plate 604, causing the inclined plate 604 to rotate downward. When the welding is completed When the process is completed, the linkage rod 5 is reset and disengaged from the pressure plate 601, the pressure plate 601 is reset, the boss 603 contacts the inclined surface of the inclined plate 604, and pushes the inclined plate 604 to move leftward, and the inclined plate 604 moves leftward and pushes the L-shaped block 606 to move leftward. When the boss 603 is disengaged from the inclined plate 604, the L-shaped block 606 is reset to knock the knocking rod 608, and the knocking rod 608 rotates around the rotating shaft 607. The knocking rod 608 knocks the welding object after welding to prevent welding slag from being left on the welding object, eliminating the need for manual cleaning, making the device more convenient to use and reducing the workload of workers.

[0030] When the welding device descends to prepare for welding, the welding device will drive the linkage rod 5 to descend, and the descent of the linkage rod 5 drives the pressure rod 701 to descend, and the descent of the pressure rod 701 drives the movable rod 702 to move, and the movement of the movable rod 702 drives the pushing rod 703 to move, and the pushing rod 703 moves to press the spring block 704, and the spring block 704 is retracted into the protective door 8 to release the limit of the baffle 10 on the protective door 8, and the protective door 8 is closed. At the same time, the linkage rod 5 descends to press the pressure plate 601, and the pressure plate 601 moves downward to drive the poking rod 412 to move downward, and the poking rod 412 moves downward to drive the triangular block 401 to move leftward, and the triangular block 401 moves leftward to drive the transmission block 402 to move leftward, and the transmission block 402 moves leftward to drive the pushing block 705 to move leftward, and the pushing block 705 moves leftward to drive The connecting rod 706 moves to the left, and the connecting rod 706 moves to the left to push the limit platform 707 to move to the left and insert it into the groove on the protective door 8 to prevent the protective door 8 from being opened during welding and sparks flying, which may cause danger to the staff. At the same time, when the limit platform 707 moves into the groove, the hinged rod 708 contacts the trapezoidal rod 709, and the hinged rod 708 rotates to the right. When the limit platform 707 is fully inserted, the hinged rod 708 is reset. When the welding is completed, the limit platform 707 is reset, the hinged rod 708 contacts the trapezoidal rod 709, and the trapezoidal rod 709 moves upward. The trapezoidal rod 709 moves upward and pushes the switch rod 710 to move to the right. The switch rod 710 moves to the right and contacts the switch 711, turning on the fan to cool down the welded objects so that the staff can proceed to the next step more quickly.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical parts welding mechanism with a correction function, comprising a stand (1), characterized in that: A workbench (2) is arranged on the left side surface of the stand (1), a guide rail (3) is arranged at the top of the workbench (2), a correction device is arranged at the top of the guide rail (3), a welding device is arranged at the top of the stand (1), a linkage rod (5) is arranged on the surface of the welding device, a limited position striking device is arranged at the right end of the correction device, a protective door (8) is arranged at the front end of the workbench (2), a protective device is arranged at the front end of the workbench (2), a fixed platform (9) is arranged at the front end of the workbench (2), and baffles (10) are arranged at the left and right ends of the workbench (2); The correction device comprises a triangular block (401), a transmission block (402), an inclined block (403), a spring plate (404), a moving plate (405), a fixed plate (406), a fixed block (407), an inclined plate (408), a square table (409), an electric push rod (410), a vertical table (411), a poking rod (412) and a rectangular hollow shell (413), wherein the square table (409) is slidably mounted on the top end of the guide rail (3), the electric push rod (410) is fixedly mounted on the right end of the square table (409), the vertical table (411) is fixedly mounted on the output end of the electric push rod (410), the moving plate (405) is slidably mounted on the right end surface of the vertical table (411), and the inclined plate (412) is fixedly mounted on the output end of the electric push rod (410). 08) is slidably mounted on the top of the moving plate (405), the fixed plate (406) is slidably mounted on the right end surface of the vertical platform (411), the fixed block (407) is fixedly mounted on the right end surface of the vertical platform (411), the spring plate (404) is fixedly mounted on the bottom end of the moving plate (405), the rectangular hollow shell (413) is fixedly mounted on the left end of the square platform (409), the inclined block (403) is slidably mounted inside the rectangular hollow shell (413), the transmission block (402) is slidably mounted inside the rectangular hollow shell (413), the triangular block (401) is slidably mounted inside the rectangular hollow shell (413), and the poking rod (412) is slidably mounted on the left end surface of the square platform (409).

2. The mechanical parts welding mechanism with correction function according to claim 1, characterized in that: The inclined plane block (403) is located on the motion track of the transmission block (402), and the spring plate (404) is located on the motion track of the inclined plane block (403).

3. The mechanical parts welding mechanism with correction function according to claim 2, characterized in that: The fixed block (407) is located on the movement track of the inclined plate (408), and a limiting groove is provided at the top end of the guide rail (3).

4. The mechanical parts welding mechanism with correction function according to claim 3 is characterized in that: The limit knocking device comprises a pressing plate (601), a limit rod (602), a boss (603), an inclined plate (604), a limit block (605), an L-shaped block (606), a rotating shaft (607) and a knocking rod (608); the pressing plate (601) is slidably mounted on the left end surface of the square platform (409); the limit rod (602) is fixedly mounted on the bottom end of the pressing plate (601); the boss (603) is fixedly mounted on the left end of the pressing plate (601); the L-shaped block (606) is slidably mounted on the rear end of the vertical platform (411); the inclined plate (604) is hinged on the right end of the L-shaped block (606); the limit block (605) is fixedly mounted on the right end of the L-shaped block (606); the rotating shaft (607) is fixedly mounted on the rear end of the vertical platform (411); and the knocking rod (608) is rotatably mounted on the circumferential surface of the rotating shaft (607).

5. The mechanical parts welding mechanism with correction function according to claim 4, characterized in that: The poking rod (412) is located on the movement track of the pressing plate (601), and one end of the inclined plate (604) close to the pressing plate (601) is arranged as an inclined surface.

6. The mechanical parts welding mechanism with correction function according to claim 5, characterized in that: A torsion spring is provided between the inclined plate (604) and the L-shaped block (606), and a return spring is provided between the L-shaped block (606) and the vertical platform (411).

7. The mechanical parts welding mechanism with correction function according to claim 6, characterized in that: The protective device comprises a pressure rod (701), a movable rod (702), a push rod (703), a spring block (704), a push block (705), a connecting rod (706), a limit platform (707), a hinged rod (708), a trapezoidal rod (709), a switch rod (710), a switch (711) and a fan (712), wherein the pressure rod (701) is fixedly mounted on the right end of the linkage rod (5), the movable rod (702) is slidably mounted on the top end of the workbench (2), the push rod (703) is slidably mounted on the top end of the workbench (2), and the spring block (704) is slidably mounted on the protective door (8). ), the push block (705) is slidably mounted inside the rectangular hollow shell (413), the connecting rod (706) is slidably mounted on the top of the fixed platform (9), the limit platform (707) is fixedly mounted on the top of the fixed platform (9), the hinged rod (708) is hinged on the top of the fixed platform (9), the trapezoidal rod (709) is slidably mounted on the right end of the protective door (8), the fan (712) is fixedly mounted on the upper side of the right end of the protective door (8), the switch rod (710) is slidably mounted on the bottom of the fan (712), and the switch (711) is fixedly mounted on the bottom of the fan (712).

8. The mechanical parts welding mechanism with correction function according to claim 7, characterized in that: The connecting rod (706) is located on the movement track of the push block (705), and the switch (711) is located on the movement track of the switch rod (710).

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