Welding device for metal accessory machining

Abstract

The invention belongs to the field of metal processing, and particularly relates to a welding device for metal fitting processing, which comprises a processing table, a mounting frame is fixedly connected to the processing table, a laser welding head is slidably connected to the mounting frame, the laser welding head is positioned right above two groups of metal pieces, the metal pieces are positioned between two groups of limiting plates, and the limiting plates are fixedly connected to the mounting frame. The limiting plate is fixedly connected to the top end of the discharging plate, a clamping mechanism is arranged on the discharging plate, and the clamping mechanism is used for clamping and fixing the two sets of metal parts to prevent the two sets of metal parts from moving in the welding process; through the structural design of the clamping mechanism, in the process that the discharging plate loaded with the metal piece moves to the position under a laser welding head, a first gear can be meshed with a first rack so as to rotate, a clamping block is driven to rotate upwards, the clamping block can clamp and fix one side of the metal piece, and therefore the function of fixing the metal piece conveniently is achieved.

Description

Technical Field

[0001] The invention relates to the field of metal processing, in particular to a welding device for processing metal accessories. Background Art

[0002] The connection between different metal accessories is usually achieved by welding, so a welding device is needed. The welding device can automatically weld the metal accessories, which can ensure the quality of welding compared to traditional manual welding.

[0003] According to the patent document CN202411065646.8, a welding device for metal accessories processing is proposed, which relates to the technical field of welding devices, including an installation unit; a fixing unit is installed on the top of the installation unit; an auxiliary unit is installed on the bottom of the driving unit; a laser welding head is installed on the bottom of the auxiliary unit; a protection unit is installed on the top of the installation unit, and the protection unit is located on the rear side of the fixing unit; there are two rectangular auxiliary rods, and the two rectangular auxiliary rods are welded to the outer walls of two circular mounting blocks; there are two debris cleaning cloths, and the two debris cleaning cloths are fixedly installed at the outer ends of the two rectangular auxiliary rods; the present invention realizes the automatic change of cleaning direction, and only cleans the place to be welded, avoiding the debris cleaning cloth from being burned by the metal accessories after welding; it solves the problem that although some welding equipment is installed with a cleaning structure, the cleaning direction cannot be automatically adjusted, resulting in the cleaning material being easily burned by the metal accessories after welding.

[0004] However, the welding device for metal accessories processing in the above technology needs to fix the metal accessories by screwing before welding, and then it can be sent to the bottom of the laser welding head for welding operation, and after welding, the screws still need to be screwed to facilitate the removal of the metal accessories. Since the process of installing and removing the screws will consume a lot of time, it may happen that the metal accessories have been welded, while the metal accessories to be welded are still being installed, resulting in low welding efficiency of the device. Therefore, a welding device for metal accessories processing is proposed to address the above problems. Summary of the invention

[0005] In order to solve the problem of the welding device for processing metal accessories in the above technology, the metal accessories need to be fixed by screwing screws before welding, and then they can be sent to the bottom of the laser welding head for welding operation, and after welding, the screws still need to be screwed to facilitate the removal of the metal accessories. Since the process of installing and removing the screws will consume a lot of time, it may happen that the metal accessories have been welded, while the metal accessories to be welded are still being installed, resulting in low welding efficiency of the device. The present invention proposes a welding device for processing metal accessories.

[0006] The technical solution adopted by the present invention to solve its technical problems is: a welding device for metal accessories processing described in the present invention includes a processing table, a mounting frame is fixedly connected to the processing table, a laser welding head is slidably connected to the mounting frame, the laser welding head is located directly above two groups of metal parts, the metal parts are located between two groups of limit plates, the limit plates are fixedly connected to the top of a feed plate, a clamping mechanism is arranged on the feed plate, the clamping mechanism is used to clamp and fix the two groups of metal parts to avoid movement during welding, alignment mechanisms are arranged on the left and right sides of the metal parts, the alignment mechanisms are used to align the two groups of metal parts to avoid displacement during welding, and a pushing mechanism is arranged at the bottom end of the feed plate, the pushing mechanism is used to push the feed plate to move back and forth.

[0007] Preferably, the clamping mechanism includes two groups of clamping blocks, the clamping blocks are rotatably connected to the inside of a rotating groove, the rotating groove is opened on a discharge plate, the bottom end of the clamping block is fixedly connected to a rotating rod, a first gear is fixedly connected to the rotating rod, the bottom end of the first gear is meshed with a first rack, the bottom end of the first rack is fixedly connected to a support plate, the support plate is fixedly connected to a processing table, the left and right sides of the rotating rod are both rotatably connected to a mounting block, the mounting block is fixedly connected to the bottom end of the discharge plate, and the spacing between the two groups of limit plates is slightly larger than the overall width of the two groups of metal parts.

[0008] Preferably, the alignment mechanism includes a second gear, the second gear is fixedly connected to the rotating rod, the second gear is meshed with the second rack, the top end of the second rack is slidably connected to the inside of the storage groove, the storage groove is opened on the left and right sides of the top of the discharge plate, the second rack is fixedly connected to a trapezoidal block on the side away from the second gear, the trapezoidal block is slidably connected to the inside of the trapezoidal groove, the trapezoidal groove is opened on the retaining frame, the retaining frame is L-shaped, the retaining frame is fixedly connected to the bottom end of the discharge plate, the top end of the second rack is fixedly connected to the top block, the top block is slidably connected to the inside of the storage groove, and the top end of the top block is trapezoidal.

[0009] Preferably, the pushing mechanism includes a second connecting rod, which is fixedly connected to the bottom end of the discharge plate, and the rear end of the second connecting rod is rotatably connected to the first connecting rod, which is rotatably connected to the rotating disk, and the bottom end of the rotating disk is fixedly connected to the output shaft of the servo motor, and the servo motor is fixedly connected in the motor slot, and the motor slot is opened on the inner wall of the circular slot, and the circular slot is opened on the processing table, and the left and right sides of the discharge plate are fixedly connected with sliders, and the sliders are slidably connected to the slide groove, and the slide groove is opened on the inner wall of the mounting frame and the extension plate, and the extension plate is fixedly connected to the top of the processing table.

[0010] Preferably, a plug post is fixedly connected to a side of the bottom end of the top block away from the second rack, and the plug post passes through the inner wall of the storage groove.

[0011] Preferably, a rubber ring is fixedly connected to the inner wall of the circular groove, the rubber ring is made of rubber material, and the rubber ring fits the side of the rotating disk.

[0012] Preferably, four groups of supporting wheels are fixedly connected to the bottom end of the rotating disk, and the bottom ends of the supporting wheels abut against the inner wall of the circular groove.

[0013] Preferably, a counterweight block is fixedly connected to the bottom end of the second rack, and the counterweight block is rectangular in design.

[0014] Preferably, two groups of through grooves are provided on the discharge plate, and a support block is slidably connected inside the through groove. The support block is trapezoidal in design, and a spring is fixedly connected to the bottom end of the support block. The bottom end of the spring is fixedly connected to the inner wall of the fixed sleeve, and the fixed sleeve is fixedly connected to the processing table.

[0015] Preferably, a groove is provided at the bottom end of the discharge plate, and a connecting plate is fixedly connected to the rear end of the discharge plate.

[0016] The present invention is beneficial in that: 1. The present invention adopts the structural design of the clamping mechanism. When the unloading plate carrying the metal parts moves to the place directly below the laser welding head, the first gear will mesh with the first rack and rotate, driving the clamping block to rotate upward. The clamping block can clamp and fix one side of the metal part, thereby realizing the function of facilitating the fixation of the metal part. This solves the problem of the welding device for metal parts processing in the prior art. Before welding, the metal parts need to be fixed by screwing the screws, and then they can be sent to the bottom of the laser welding head for welding operation. After welding, the screws still need to be screwed to facilitate the removal of the metal parts. Since the process of installing and removing the screws will consume a lot of time, it may happen that the metal parts have been welded, while the metal parts to be welded are still being installed, resulting in the problem of low welding efficiency of the device.

[0017] 2. Through the structural design of the alignment mechanism of the present invention, the rotation of the clamping block will drive the second gear to rotate synchronously, and the second gear will drive the second rack meshing with it to move upward, thereby lifting the top block upward. Since the top block is located on the left and right sides of the metal part and the top end is trapezoidal in design, the metal part can be pushed by abutting against the side of the metal part during the lifting process until the two groups of metal parts are aligned with each other.

[0018] 3. The present invention realizes the function of pushing the discharge plate back and forth through the structural design of the pushing mechanism, so that after the metal parts are placed on the discharge plate, the discharge plate can be automatically pulled to the bottom of the laser welding head for welding, and the discharge plate can be pushed out after the welding is completed, so that the welded metal parts can be removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a structural schematic diagram of the back end of the present invention; Figure 3 It is a structural schematic diagram of the driving mechanism of the present invention; Figure 4 It is a schematic diagram of the connection structure of the clamping mechanism and the alignment mechanism of the present invention; Figure 5 It is a schematic diagram of the connection structure of the support block of the present invention; Figure 6 It is a schematic diagram of the installation structure of the processing table of the present invention; Figure 7 It is a schematic diagram of the position structure of the metal parts of the present invention; Figure 8 It is a structural schematic diagram of the unloading plate of the present invention.

[0021] In the figure: 1, processing table; 20, mounting frame; 21, laser welding head; 22, feed plate; 23, limit plate; 24, metal parts; 25, slider; 26, slide groove; 27, extension plate; 28, clamping block; 29, rotating groove; 30, first gear; 31, first rack; 32, support plate; 33, rotating rod; 34, top block; 35, plug column; 36, storage groove; 37, second gear; 38, mounting block; 39, second rack; 40, trapezoidal block; 41, counterweight block; 42, retaining frame; 43, trapezoidal groove; 44, through groove; 45, support block; 47, spring; 48, fixed sleeve; 49, groove; 50, connecting plate; 51, rubber ring; 52, round groove; 53, motor groove; 54, rotating disk; 55, first connecting rod; 56, second connecting rod; 57, support wheel; 58, servo motor. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1: Please refer to Figure 1 - Figure 8 As shown, a welding device for metal fittings processing includes a processing table 1, a mounting frame 20 is fixedly connected to the processing table 1, a laser welding head 21 is slidably connected to the mounting frame 20, the laser welding head 21 is located directly above two groups of metal parts 24, the metal parts 24 are located between two groups of limit plates 23, the limit plates 23 are fixedly connected to the top of a discharge plate 22, a clamping mechanism is provided on the discharge plate 22, the clamping mechanism is used to clamp and fix the two groups of metal parts 24 to avoid movement during welding, an alignment mechanism is provided on the left and right sides of the metal parts 24, the alignment mechanism is used to align the two groups of metal parts 24 to avoid deviation during welding, and a pushing mechanism is provided at the bottom end of the discharge plate 22, the pushing mechanism is used to push the discharge plate 22 to move back and forth; Further, the clamping mechanism includes two groups of clamping blocks 28, the clamping blocks 28 are rotatably connected inside the rotating groove 29, the rotating groove 29 is provided on the discharge plate 22, the bottom end of the clamping block 28 is fixedly connected to the rotating rod 33, the rotating rod 33 is fixedly connected with a first gear 30, the bottom end of the first gear 30 is meshed with the first rack 31, the bottom end of the first rack 31 is fixedly connected to the support plate 32, the support plate 32 is fixedly connected to the processing table 1, the left and right sides of the rotating rod 33 are both rotatably connected to the mounting block 38, the mounting block 38 is fixedly connected to the bottom end of the discharge plate 22, and the spacing between the two groups of the limit plates 23 is slightly larger than the overall width of the two groups of metal parts 24; Through the structural design of the clamping mechanism, when the discharge plate 22 carrying the metal part 24 moves to the process just below the laser welding head 21, the first gear 30 will mesh with the first rack 31 and rotate, driving the clamping block 28 to rotate upward, and the clamping block 28 can clamp and fix one side of the metal part 24, thereby realizing the function of facilitating the fixation of the metal part 24. When working, firstly, the two groups of metal parts 24 to be welded are placed between the two groups of limit plates 23, and then the metal parts 24 are transported to the bottom of the laser welding head 21 through the discharge plate 22 for welding operation. During the movement of the discharge plate 22, the first gear 30 will mesh with the first rack 31 and cause it to rotate. Since the first gear 30 and the clamping block 28 are It is fixed on the rotating rod 33, so the clamping block 28 will rotate inside the rotating groove 29. When the clamping block 28 rotates to the maximum angle, the clamping block 28 will abut against the metal part 24 at the front end, thereby squeezing the metal part 24, so that the two groups of metal parts 24 can be clamped and fixed on the discharge plate 22. When the laser welding head 21 completes the welding of the two groups of metal parts 24, when the discharge plate 22 moves forward, the first gear 30 can rotate again by meshing with the first rack 31, so that the clamping block 28 can rotate in the opposite direction to release the clamping fixation of the metal part 24. The spacing between the two groups of limit plates 23 is larger than the overall width of the two groups of metal parts 24, so that the two groups of metal parts 24 can be smoothly placed between the two groups of limit plates 23.

[0024] Further, the alignment mechanism includes a second gear 37, the second gear 37 is fixedly connected to the rotating rod 33, the second gear 37 is meshed with the second rack 39, the top end of the second rack 39 is slidably connected to the inside of the storage groove 36, the storage groove 36 is arranged on the left and right sides of the top end of the discharge plate 22, the second rack 39 is fixedly connected to a trapezoidal block 40 on the side away from the second gear 37, the trapezoidal block 40 is slidably connected to the inside of the trapezoidal groove 43, the trapezoidal groove 43 is arranged on the retaining frame 42, the retaining frame 42 is L-shaped, the retaining frame 42 is fixedly connected to the bottom end of the discharge plate 22, the top end of the second rack 39 is fixedly connected to the top block 34, the top block 34 is slidably connected to the inside of the storage groove 36, and the top end of the top block 34 is trapezoidal in design; Through the structural design of the alignment mechanism, the rotation of the clamping block 28 will drive the second gear 37 to rotate synchronously, and the second gear 37 drives the second rack 39 meshing therewith to move upward, so that the top block 34 is lifted upward. Since the top block 34 is located on the left and right sides of the metal component 24 and the top end is trapezoidal in design, the metal component 24 can be pushed by abutting against the side of the metal component 24 during the lifting process until the two groups of metal components 24 are aligned with each other. During operation, while the clamping block 28 rotates, the second gear 37 fixed on the rotating rod 33 will also rotate synchronously, and the second gear 37 meshes with the second rack 39 to drive the second rack 39 to move upward, and the top end of the second rack 39 is connected to the top block 34, so that the top block 34 will be lifted upward inside the storage groove 36 When the top block 34 is lifted upward to the maximum height, the top block 34 will keep in contact with the side of the metal part 24. When the two groups of metal parts 24 are initially placed on the discharge plate 22, the two groups of metal parts 24 may not be completely aligned, or the vibration of the discharge plate 22 during the transportation of the metal parts 24 causes relative sliding between the two groups of metal parts 24. At this time, the two groups of metal parts 24 can be aligned by lifting the top block 34 upward to facilitate welding. The retaining frame 42 is designed in an L-shape to ensure the normal sliding of the second rack 39, and also provides support for the bottom end of the second rack 39 to prevent the bottom end of the second rack 39 from being suspended. The trapezoidal block 40 fixed on the second rack 39 slides in the trapezoidal groove 43, which can ensure that the second rack 39 can move stably in the vertical direction.

[0025] Further, the pushing mechanism includes a second connecting rod 56, the second connecting rod 56 is fixedly connected to the bottom end of the discharge plate 22, the rear end of the second connecting rod 56 is rotatably connected to the first connecting rod 55, the first connecting rod 55 is rotatably connected to the rotating disk 54, the bottom end of the rotating disk 54 is fixedly connected to the output shaft of the servo motor 58, the servo motor 58 is fixedly connected in the motor slot 53, the motor slot 53 is provided on the inner wall of the circular slot 52, the circular slot 52 is provided on the processing table 1, the left and right sides of the discharge plate 22 are fixedly connected with sliders 25, the sliders 25 are slidably connected to the slide groove 26, the slide groove 26 is provided on the inner wall of the mounting frame 20 and the extension plate 27, and the extension plate 27 is fixedly connected to the top of the processing table 1; The structural design of the pushing mechanism realizes the function of facilitating the feeding plate 22 to push back and forth, so that after the metal part 24 is placed on the feeding plate 22, the feeding plate 22 can be automatically pulled to the bottom of the laser welding head 21 for welding, and the feeding plate 22 can be pushed out after welding is completed, so as to remove the welded metal part 24. During operation, the rotating disk 54 is driven to rotate by the servo motor 58, and the first connecting rod 55 rotatably connected to the rotating disk 54 will pull the second connecting rod 56, and the second connecting rod 56 is fixed to the bottom end of the feeding plate 22, so that the second connecting rod 56 can pull the feeding plate 22 to move back and forth in the front and rear directions, so as to push the welded metal part 24 out from under the laser welding head 21, and push the metal part 24 to be welded to the bottom of the laser welding head 21, wherein sliders 25 are fixed on both sides of the feeding plate 22, and the movement of the feeding plate 22 is supported by the sliding of the sliders 25 in the slide grooves 26.

[0026] Furthermore, a plug post 35 is fixedly connected to a side of the bottom end of the top block 34 away from the second rack 39, and the plug post 35 passes through the inner wall of the receiving groove 36; During operation, when the second rack 39 drives the top block 34 to rise, in order to ensure that the side of the top block 34 away from the second rack 39 can also move stably, a plug post 35 is fixed on the bottom end of the top block 34. The contact between the plug post 35 and the inner wall of the storage groove 36 ensures that the top block 34 can move stably.

[0027] Furthermore, a rubber ring 51 is fixedly connected to the inner wall of the circular groove 52. The rubber ring 51 is made of rubber material and fits the side of the rotating disk 54. During operation, the rubber ring 51 is made of rubber material and contacts the side of the rotating disk 54, which can provide friction resistance for the rotation of the rotating disk 54 to ensure that when the servo motor 58 is not started, the rotating disk 54 can remain stable through friction with the rubber ring 51 to avoid rotation due to minor shaking. At the same time, the rubber ring 51 can also prevent welding slag or other debris from entering the circular groove 52 during welding.

[0028] Furthermore, four sets of supporting wheels 57 are fixedly connected to the bottom end of the rotating disk 54, and the bottom ends of the supporting wheels 57 abut against the inner wall of the circular groove 52; During operation, a support wheel 57 is fixed to the bottom end of the rotating disk 54 , and the support wheel 57 provides support to the bottom end of the rotating disk 54 , so that the rotating disk 54 can rotate stably under the drive of the servo motor 58 .

[0029] Furthermore, a counterweight block 41 is fixedly connected to the bottom end of the second rack 39, and the counterweight block 41 is rectangular in design; During operation, the counterweight block 41 is fixed on the bottom end of the second rack 39. When the first gear 30 is no longer engaged with the first rack 31, the second rack 39 can be moved downward to the lowest position through the gravity of the second rack 39 itself and the counterweight block 41, thereby ensuring that the clamping block 28 can be rotated and stored in the rotating groove 29.

[0030] Example 2: Please refer to Figure 3 , Figure 5 and Figure 8 As shown, comparative example 1 is another embodiment of the present invention, the discharge plate 22 is provided with two groups of through grooves 44, and a support block 45 is slidably connected inside the through groove 44. The support block 45 is trapezoidal in design, and a spring 47 is fixedly connected to the bottom end of the support block 45. The bottom end of the spring 47 is fixedly connected to the inner wall of a fixed sleeve 48, and the fixed sleeve 48 is fixedly connected to the processing table 1; During operation, when the discharge plate 22 moves to just below the laser welding head 21, the top of the support block 45 will also be aligned with the through slot 44. Under the action of the spring 47 at the bottom end of the support block 45, the top of the support block 45 can pass through the through slot 44 and abut against the metal part 24 on the rear end, thereby cooperating with the limit plate 23 to provide support for the metal part 24. The bottom end of the support block 45 is sleeved inside the fixed sleeve 48. The contact between the inner wall of the fixed sleeve 48 and the outer side of the support block 45 ensures that the support block 45 will not deviate when moving in the vertical direction.

[0031] A groove 49 is formed at the bottom end of the discharge plate 22, and a connecting plate 50 is fixedly connected to the rear end of the discharge plate 22; During operation, a groove 49 is provided on the bottom end of the discharge plate 22. When the discharge plate 22 moves forward and gradually moves away from the support block 45, the support block 45 can be pushed downward by the abutment between the inner wall of the groove 49 and the support block 45, and the spring 47 will be compressed. A connecting plate 50 is also fixed to the rear end of the discharge plate 22. When the support block 45 slides out of the groove 49, the top end of the support block 45 will continue to abut against the inner wall of the connecting plate 50, so that the spring 47 is always in a compressed state.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A welding device for metal fittings processing, comprising a processing table (1), a mounting frame (20) fixedly connected to the processing table (1), a laser welding head (21) slidably connected to the mounting frame (20), the laser welding head (21) being located directly above two groups of metal parts (24), characterized in that: The metal piece (24) is located between the two groups of limit plates (23), the limit plates (23) are fixedly connected to the top of the discharge plate (22), the discharge plate (22) is provided with a clamping mechanism, the clamping mechanism is used to clamp and fix the two groups of metal pieces (24) to prevent movement during welding, the left and right sides of the metal piece (24) are provided with an alignment mechanism, the alignment mechanism is used to align the two groups of metal pieces (24) to prevent deviation during welding, and the bottom end of the discharge plate (22) is provided with a pushing mechanism, the pushing mechanism is used to push the discharge plate (22) to move back and forth.

2. A welding device for metal fittings processing according to claim 1, characterized in that: The clamping mechanism comprises two groups of clamping blocks (28), the clamping blocks (28) are rotatably connected inside a rotating groove (29), the rotating groove (29) is provided on the discharge plate (22), the bottom end of the clamping block (28) is fixedly connected to a rotating rod (33), the rotating rod (33) is fixedly connected to a first gear (30), the bottom end of the first gear (30) is meshed with a first rack (31), the bottom end of the first rack (31) is fixedly connected to a support plate (32), the support plate (32) is fixedly connected to the processing table (1), the left and right sides of the rotating rod (33) are both rotatably connected to a mounting block (38), the mounting block (38) is fixedly connected to the bottom end of the discharge plate (22), and the spacing between the two groups of the limiting plates (23) is slightly larger than the overall width of the two groups of metal parts (24).

3. A welding device for metal fittings processing according to claim 1, characterized in that: The alignment mechanism comprises a second gear (37), the second gear (37) being fixedly connected to the rotating rod (33), the second gear (37) being meshed with a second rack (39), the top end of the second rack (39) being slidably connected to the inside of a receiving groove (36), the receiving groove (36) being arranged on the left and right sides of the top end of the material discharge plate (22), a trapezoidal block (40) being fixedly connected to the side of the second rack (39) away from the second gear (37), the trapezoidal block (40) being slidably connected to the inside of a trapezoidal groove (43), the trapezoidal groove (43) being arranged on a retaining frame (42), the retaining frame (42) being L-shaped, the retaining frame (42) being fixedly connected to the bottom end of the material discharge plate (22), the top end of the second rack (39) being fixedly connected to a top block (34), the top block (34) being slidably connected to the inside of the receiving groove (36), the top end of the top block (34) being trapezoidally designed.

4. A welding device for metal fittings processing according to claim 1, characterized in that: The pushing mechanism comprises a second connecting rod (56), the second connecting rod (56) being fixedly connected to the bottom end of the material discharge plate (22), the rear end of the second connecting rod (56) being rotatably connected to the first connecting rod (55), the first connecting rod (55) being rotatably connected to the rotating disk (54), the bottom end of the rotating disk (54) being fixedly connected to the output shaft of the servo motor (58), the servo motor (58) being fixedly connected to the motor slot (53), the motor slot (53) being arranged on the inner wall of the circular slot (52), the circular slot (52) being arranged on the processing table (1), the left and right sides of the material discharge plate (22) being fixedly connected with sliders (25), the sliders (25) being slidably connected to the slide grooves (26), the slide grooves (26) being arranged on the inner wall of the mounting frame (20) and the extension plate (27), the extension plate (27) being fixedly connected to the top of the processing table (1).

5. A welding device for metal fittings processing according to claim 3, characterized in that: A side of the bottom end of the top block (34) away from the second rack (39) is fixedly connected to an insertion column (35), and the insertion column (35) penetrates the inner wall of the storage groove (36).

6. A welding device for metal fittings processing according to claim 4, characterized in that: A rubber ring (51) is fixedly connected to the inner wall of the circular groove (52). The rubber ring (51) is made of rubber material and fits the side of the rotating disk (54).

7. A welding device for metal fittings processing according to claim 6, characterized in that: Four groups of support wheels (57) are fixedly connected to the bottom end of the rotating disk (54), and the bottom ends of the support wheels (57) abut against the inner wall of the circular groove (52).

8. A welding device for metal fittings processing according to claim 3, characterized in that: A counterweight block (41) is fixedly connected to the bottom end of the second rack (39), and the counterweight block (41) is rectangular in design.

9. A welding device for metal fittings processing according to claim 4, characterized in that: The discharge plate (22) is provided with two groups of through grooves (44), the interior of the through grooves (44) is slidably connected to a support block (45), the support block (45) is designed to be trapezoidal, the bottom end of the support block (45) is fixedly connected to a spring (47), the bottom end of the spring (47) is fixedly connected to the inner wall of a fixed sleeve (48), and the fixed sleeve (48) is fixedly connected to the processing table (1).

10. A welding device for metal fittings processing according to claim 9, characterized in that: A groove (49) is formed at the bottom end of the discharge plate (22), and a connecting plate (50) is fixedly connected to the rear end of the discharge plate (22).

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