A cabinet back panel positioning welding device

Abstract

The present application discloses a cabinet back panel positioning welding device, which relates to the technical field of welding devices. The present application includes: a supporting vertical frame, wherein the bottom of the supporting vertical frame is fixedly connected to a supporting flat plate, and the upper end of the supporting vertical frame is hinged with an arc-shaped mounting frame; a telescopic welding part, including a gear rod vertically slidably installed at the end of the arc-shaped mounting frame, the bottom end of the gear rod is fixedly connected to a spring plug connector for installing a welding rod, and a rotating gear meshing with the gear rod is rotatably installed on the arc-shaped mounting frame; an adjusting component, which is installed on the supporting vertical frame and the arc-shaped mounting frame, and is used to synchronously drive the rotating gear to rotate and flip the arc-shaped mounting frame. The present application can realize the up and down movement of the welding rod through the telescopic welding part, without the need for manual holding of the welding rod, saving manpower, and then the horizontal position of the movable bearing frame and the upper cabinet frame can be changed through the pusher and the toggle member to form a corrugated movement, thereby realizing the fish scale welding operation and increasing the welding stability.

Description

Technical Field

[0001] The present application relates to the technical field of welding devices, and in particular to a cabinet back panel positioning welding device. Background Art

[0002] A smart cabinet is an intelligent device that integrates advanced technologies such as the Internet of Things, cloud computing, and artificial intelligence. Its cabinet structure is mostly constructed by welding to improve structural stability.

[0003] In the processing and production, the back panel welding of the intelligent cabinet is one of the key links. Traditional welding methods often have problems with unstable welding quality and high skill requirements for workers. Especially when performing full-seam welding of the cabinet back panel, workers are required to manually hold the welding rod and move it smoothly along the gap between the cabinet back panel and the frame to complete the welding operation. This not only increases the labor intensity of the workers, but also easily leads to inaccurate welding positions due to human factors, reducing the strength of the cabinet structure. At the same time, manual welding mostly adopts a straight-line single-pull welding method, which is not strong enough. The fish-scale welding method in the plate welding method can effectively improve the welding strength, but this welding method requires workers to undergo long-term training and learning to master it, and the labor cost is relatively high.

[0004] Therefore, the present application proposes a cabinet back panel positioning welding device. Summary of the Invention

[0005] The purpose of this application is to solve the problems in the above-mentioned background technology, and to provide a cabinet back panel positioning welding device.

[0006] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0007] A cabinet back panel positioning welding device, comprising:

[0008] A supporting vertical frame, wherein the bottom of the supporting vertical frame is fixedly connected to a supporting flat plate, and the upper end of the supporting vertical frame is hinged to an arc-shaped mounting frame;

[0009] The telescopic welding part includes a gear rod vertically slidably mounted on the end of an arc-shaped mounting frame, a spring plug connector for mounting a welding rod is fixedly connected to the bottom end of the gear rod, and a rotating gear meshing with the gear rod is rotatably mounted on the arc-shaped mounting frame;

[0010] An adjusting component is installed on the supporting vertical frame and the arc-shaped mounting frame, and is used to synchronously drive the rotating gear to rotate and the arc-shaped mounting frame to flip;

[0011] The movable carrying frame is movably arranged on the supporting flat plate. The supporting vertical frame is provided with a pushing member for driving the movable carrying frame to move longitudinally. The supporting vertical frame is provided with a toggle member for driving the movable carrying frame to move reciprocatingly in the horizontal direction.

[0012] Furthermore, a movable groove is constructed at the corner of the upper end of the supporting vertical frame, and a horizontal convex plate protruding from the supporting vertical frame is constructed in the movable groove. The arc-shaped mounting frame includes an arc-shaped plate, and the bottom end of the inner concave side of the arc-shaped plate is constructed with a connecting frame hinged to the end of the horizontal convex plate. The outer convex side of the arc-shaped plate is constructed with two arc-shaped vertical plates, the gear rod slides through the top end of the arc-shaped plate, and the rotating gear is rotatably installed between the two arc-shaped vertical plates.

[0013] Furthermore, the adjusting component includes an adjusting motor fixedly connected to one of the arc-shaped vertical plates, the output shaft of the adjusting motor is coaxially connected to the rotating gear, the outer convex side of the arc-shaped plate is constructed with an arc-shaped rack, the upper end of the supporting vertical frame is rotatably installed with a transmission gear that meshes with the arc-shaped rack, the arc-shaped plate is constructed with an arc-shaped through-groove, and the transmission gear is constructed with a transmission shaft that movably passes through the arc-shaped through-groove, and the adjusting motor and the transmission shaft are connected through a linkage assembly.

[0014] Furthermore, the linkage assembly includes a synchronous wheel 1 fixedly sleeved on the transmission shaft and the rotating gear, a fixed frame fixedly connected to the side of the arc-shaped plate, a U-shaped plate slidably installed in the fixed frame, a support spring connected between the U-shaped plate and the fixed frame, a synchronous wheel 2 rotatably installed in the U-shaped plate, and a synchronous belt sleeved between the synchronous wheel 1 and the synchronous wheel 2.

[0015] Furthermore, the movable supporting frame includes a grille plate, both ends of which are constructed with supporting movable bars, and two clamps located on the upper side of the grille plate are slidably installed between the two supporting movable bars, and both ends of the clamps are threaded with fixing bolts that abut against the supporting movable bars.

[0016] Furthermore, the supporting movable bar includes a rectangular rod, the bottom end of the rectangular rod is arrayed with a plurality of arc grooves along its length direction, a universal ball is movably installed in the arc groove, the bottom end of the rectangular rod is connected to an end plate wrapped around the arc groove by bolts, and the end plate is arrayed with a plurality of through holes for the universal ball to protrude.

[0017] Furthermore, the pushing member includes a carrying box fixedly connected to one side of the supporting vertical frame, and two telescopic shafts are rotatably installed in the carrying box, one of the rectangular rods is configured with a strip groove on the side, and a strip rack is configured with a strip groove at the bottom, and the end of the telescopic shaft is detachably connected to a rolling gear that meshes with the strip rack.

[0018] Furthermore, the toggle member includes a sliding block slidably installed at the bottom of the supporting vertical frame, the sliding block is rotatably connected to one end of the movable supporting frame with two extension rods, the end of the extension rod is detachably connected to a rolling gear 2 that meshes with a bar rack, a rotating disk located above the sliding block is rotatably installed in the supporting vertical frame, a connecting rod is eccentrically hinged on the rotating disk, the other end of the connecting rod is hinged on the sliding block, and a driving member for synchronously driving the rotating disk and the telescopic shaft to rotate is installed in the supporting box.

[0019] Furthermore, the driving member includes a support plate fixedly connected to the carrier box, a rotating shaft is rotatably installed on the support plate, the rotating shaft and the rotating disk are connected via a pulley, a driving motor coaxially connected to the rotating shaft is fixedly connected to the carrier box, a bevel gear 1 is fixedly sleeved on the rotating shaft, a bevel gear 2 meshing with the bevel gear 1 is rotatably installed in the carrier box, and the bevel gear 2 is connected to one of the telescopic shafts via a pulley.

[0020] Furthermore, the ends of the extension rod and the telescopic shaft are both constructed with polygonal column rods, the rolling gear 1 and the rolling gear 2 are slidingly sleeved on the polygonal column rod, and a movable plate is slidably installed on the side of the rectangular rod along its length direction, and a threaded tube is penetrated through the movable plate, and the polygonal column rod movably penetrates the threaded tube, and the extension rod and the telescopic shaft rod are both rotatably installed with a screw sleeve threadedly connected to the threaded tube.

[0021] The beneficial effects of this application are as follows:

[0022] The present application sets a telescopic welding part to realize automatic movement of the welding rod toward the welding point of the cabinet frame, without the need for manual holding of the welding rod, saving manpower, and movably setting the movable supporting frame on the supporting plate, and then changing the horizontal position of the cabinet frame on the movable supporting frame by the pushing part and the toggle part, which can effectively form a corrugated movement to realize fish scale welding operation and increase welding stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural diagram of this application;

[0024] Figure 2 It is a partial three-dimensional structural diagram of this application;

[0025] Figure 3 This application Figure 2 Partial cross-sectional view of the three-dimensional structure;

[0026] Figure 4 This application Figure 2 Enlarged view of point A in the middle;

[0027] Figure 5 This is a three-dimensional structural diagram of the mobile carrying frame of this application;

[0028] Figure 6 This application Figure 5 Partial cross-sectional view of the three-dimensional structure;

[0029] Figure 7 This is a three-dimensional structural diagram of the pusher and toggle member of the present application;

[0030] Figure 8 This application Figure 7 Partial cross-sectional view of the three-dimensional structure;

[0031] Figure 9 This is a three-dimensional structural diagram of the telescopic shaft and extension rod of the present application;

[0032] Figure 10 This application Figure 9 Partial cross-sectional view of the three-dimensional structure.

[0033] 1. Support vertical frame; 101. Movable groove; 102. Horizontal convex plate; 2. Support flat plate; 3. Arc-shaped mounting frame; 301. Arc-shaped plate; 3011. Arc-shaped through-groove; 302. Connecting frame; 303. Arc-shaped vertical plate; 4. Telescopic welding part; 401. Gear rod; 402. Spring plug connector; 403. Rotating gear; 5. Adjusting component; 501. Adjusting motor; 502. Arc-shaped rack; 503. Transmission gear; 504. Transmission shaft; 505. Linkage assembly; 5051. Synchronous wheel 1; 5052. Fixed frame; 5053. U-shaped plate; 5054. Support spring; 5055. Synchronous wheel 2; 5056. Synchronous belt; 6. Moving bearing frame; 601. Grille plate; 602. Support moving bar; 6021, rectangular rod; 60211, strip groove; 6022, arc groove; 6023, universal ball; 6024, end plate; 6025, perforation; 603, splint; 604, fixing bolt; 7, pusher; 701, carrier box; 702, telescopic shaft; 703, strip rack; 704, rolling gear one; 8, toggle member; 801, sliding block; 802, extension rod; 803, rolling gear two; 804, rotating disk; 805, connecting rod; 9, driving member; 901, supporting plate; 902, rotating shaft; 903, driving motor; 904, bevel gear one; 905, bevel gear two; 10, polygonal column; 11, moving plate; 12, threaded pipe; 13, screw sleeve. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0035] like Figure 1-Figure 2 As shown, an embodiment of the present application provides a cabinet back panel positioning welding device, comprising:

[0036] A supporting vertical frame 1, wherein a supporting plate 2 is fixedly connected to the bottom of the supporting vertical frame 1, and an arc-shaped mounting frame 3 is hingedly connected to the upper end of the supporting vertical frame 1;

[0037] The telescopic welding portion 4 includes a gear rod 401 vertically slidably mounted on the end of the arc-shaped mounting frame 3, a spring plug connector 402 for mounting a welding rod is fixedly connected to the bottom end of the gear rod 401, a rotating gear 403 meshing with the gear rod 401 is rotatably mounted on the arc-shaped mounting frame 3, and the upper end of the supporting vertical frame 1 is connected to the arc-shaped mounting frame 3 to form an L-shaped structure. The gear rod 401 is vertically mounted on the end of the horizontal section of the L-shaped structure, so that a movable space is formed between the spring plug connector 402 and the supporting vertical frame 1 to ensure the movable range of the welding rod. It should be noted that the spring plug connector 402 adopts a spring rod structure, which can realize elastic contact between the welding rod and the welding point, avoid breaking the welding rod due to hard touch, and increase safety;

[0038] The adjusting component 5 is mounted on the supporting vertical frame 1 and the arc-shaped mounting frame 3 and is used to synchronously drive the rotating gear 403 to rotate and the arc-shaped mounting frame 3 to flip. The adjusting component 5 can be used to rotate the rotating gear 403, so that the rotating gear 403 and the gear rod 401 are meshed and driven, thereby driving the spring plug 402 to move vertically and simultaneously driving the arc-shaped mounting frame 3 to flip. In this way, the forward and reverse rotation of the rotating gear 403 can be used to achieve the horizontal movement of the welding rod while it is always in contact with the welding point, thereby realizing the operation of the Z-shaped welding track, thereby increasing the functionality and flexibility of the device;

[0039] The mobile carrying frame 6 is movably arranged on the supporting plate 2, and a pushing member 7 for driving the mobile carrying frame 6 to move longitudinally is installed on the supporting vertical frame 1. A toggle member 8 for driving the mobile carrying frame 6 to move back and forth laterally is installed on the supporting vertical frame 1. The mobile carrying frame 6 is movably arranged on the supporting plate 2, and the pushing member 7 is used to realize longitudinal movement, while the toggle member 8 is used to realize reciprocating lateral movement, so as to assist the mobile carrying frame 6 to move in a toggle-like manner on the supporting plate 2, so as to achieve a corrugated welding trajectory and realize fish scale welding operation. Fish scale welding combined with Z-shaped welding trajectory can not only improve the aesthetics after welding, but also improve the firmness of the welding point and increase the structural strength.

[0040] like Figure 2-Figure 3As shown, in some embodiments, a movable groove 101 is constructed at the corner of the upper end of the supporting vertical frame 1, and a horizontal convex plate 102 protruding from the supporting vertical frame 1 is constructed in the movable groove 101. The arc-shaped mounting frame 3 includes an arc-shaped plate 301, and a connecting frame 302 is constructed at the bottom end of the inner concave side of the arc-shaped plate 301 and is hinged to the end of the horizontal convex plate 102. The outer convex side of the arc-shaped plate 301 is constructed with two arc-shaped vertical plates 303. The gear rod 401 slides through the top of the arc-shaped plate 301, and the rotating gear 403 rotates Installed between the two curved vertical plates 303, the movable groove 101 is mainly set to provide movement space for the curved plate 301 when it flips downward around the end of the horizontal protruding plate 102. It should be noted that the hinge point of the connecting frame 302 and the horizontal protruding plate 102 is located at the center of the curved plate 301, and the fan angle of the curved plate 301 is greater than ninety degrees, so that the gear rod 401 will not conflict with the horizontal protruding plate 102 after vertically passing through the curved plate 301, thereby ensuring the smooth movement of the gear rod 401.

[0041] like Figure 2-Figure 3 As shown, in some embodiments, the adjusting component 5 includes an adjusting motor 501 fixedly connected to one of the arc-shaped vertical plates 303, the output shaft of the adjusting motor 501 is coaxially connected to the rotating gear 403, the outer convex side of the arc-shaped plate 301 is configured with an arc-shaped rack 502, the upper end of the supporting vertical frame 1 is rotatably mounted with a transmission gear 503 that meshes with the arc-shaped rack 502, the arc-shaped through-groove 3011 is configured on the arc-shaped plate 301, and the transmission gear 503 is configured with a transmission shaft 504 that movably passes through the arc-shaped through-groove 3011, the adjusting motor 501 and the transmission shaft 504 are connected to each other through a linkage assembly 505, and the adjusting component 501 is connected to the transmission shaft 504 by the linkage assembly 505. The energy-saving motor 501 can drive the rotating gear 403 to rotate independently, and at the same time, the linkage component 505 can synchronously drive the transmission shaft 504 to rotate, so that the transmission gear 503 and the arc rack 502 can be meshed and transmitted, increasing the linkage and ensuring the synchronous operation of the two. When the gear rod 401 moves down, the arc plate 301 can be flipped downward, and when the gear rod 401 moves up, the arc plate 301 can be flipped upward. Through the elastic setting of the spring plug joint 402, the welding point can always contact the cabinet frame, ensuring the smooth progress of welding, realizing a Z-shaped welding trajectory, and automatic operation. There is no need for manual holding of welding rods, saving manpower.

[0042] like Figure 2-Figure 4As shown, in some embodiments, the linkage assembly 505 includes a synchronous wheel 1 5051 fixedly sleeved on the transmission shaft 504 and the rotating gear 403, a fixed frame 5052 fixedly connected to the side of the arc plate 301, a U-shaped plate 5053 slidably installed in the fixed frame 5052, a support spring 5054 is connected between the U-shaped plate 5053 and the fixed frame 5052, a synchronous wheel 2 5055 is rotatably installed in the U-shaped plate 5053, a synchronous belt 5056 is sleeved between the synchronous wheel 1 5051 and the synchronous wheel 2 5055, and the synchronous wheel 1 5051 and the synchronous wheel 2 are connected by the synchronous belt 5056. The transmission of 5055 and the synchronous belt 5056 can realize the synchronous rotation of the transmission shaft 504 and the rotating gear 403, so as to realize the synchronous lifting and lowering of the welding rod and the lateral movement of the welding point, and ensure the accuracy of the Z-shaped trajectory. It should be noted that the sliding direction of the U-shaped plate 5053 in the fixed frame 5052 is set toward the outside of the synchronous belt 5056. The support spring 5054 can be used to achieve the synchronous belt 5056 to be always taut, ensuring that no matter how the material arc plate 301 flips during transmission, the synchronous belt 5056 can always perform power transmission, thereby increasing safety.

[0043] like Figure 5 As shown, in some embodiments, the movable supporting frame 6 includes a grid plate 601, and support movable bars 602 are constructed at both ends of the grid plate 601. Two clamps 603 located on the upper side of the grid plate 601 are slidably installed between the two support movable bars 602. Both ends of the clamps 603 are threaded with fixing bolts 604 that abut against the support movable bars 602. By setting the grid plate 601, the falling of debris can be facilitated, and the accumulation of iron filings therein can be avoided, which may cause the cabinet frame to be offset, thereby ensuring the accuracy of welding. The movable clamps 603 are set at both ends to clamp and fix the cabinet frame, thereby ensuring the stability of the welding process and improving the welding accuracy.

[0044] like Figure 5-Figure 6 As shown, in some embodiments, the supporting movable bar 602 includes a rectangular rod 6021, and the bottom end of the rectangular rod 6021 is arrayed with a plurality of arc grooves 6022 along its length direction, and a universal ball 6023 is movably installed in the arc groove 6022. The bottom end of the rectangular rod 6021 is connected to an end plate 6024 wrapped on the arc groove 6022 by bolts, and the end plate 6024 is arrayed with a plurality of through holes 6025 for the protruding universal balls 6023. The universal balls 6023 can be wrapped therein by utilizing the arc groove 6022 and the end plate 6024. The universal balls 6023 can realize horizontal movement of the rectangular rod 6021 on the supporting plate 2, which can effectively reduce friction compared to the wheel hub and ensure the smooth operation of the corrugated track. At the same time, the universal balls 6023 can be replaced at any time by bolting the end plate 6024, which is convenient for repair and maintenance and increases the flexibility of the device.

[0045] like Figure 7-Figure 9As shown, in some embodiments, the pusher 7 includes a carrier box 701 fixedly connected to one side of the supporting vertical frame 1, and two telescopic shafts 702 are rotatably installed in the carrier box 701. One of the rectangular rods 6021 has a strip groove 60211 on the side, and a strip rack 703 is configured at the bottom of the strip groove 60211. The end of the telescopic shaft 702 is detachably connected to a rolling gear 704 that meshes with the strip rack 703. It should be noted that the telescopic shaft 702 includes an inner rod and an outer tube, and the inner rod is inserted into the outer tube. It is a hexagonal column, which can achieve synchronous rotation of the two. The driving force only needs to drive one of the telescopic shafts 702 to rotate, so that the rolling gear 704 at its end can be engaged and rolled on the bar rack 703 in the rectangular rod 6021, thereby driving the mobile supporting frame 6 to move longitudinally, and the bar groove 60211 is used to guide and limit the rolling gear 704 at the end of the two telescopic shafts 702, ensuring that it can only perform one-way reciprocating rolling in the bar groove 60211, thereby ensuring the accuracy of the linear movement.

[0046] like Figure 7-Figure 8 As shown, in some embodiments, the toggle member 8 includes a sliding block 801 slidably mounted on the bottom of the supporting vertical frame 1, and the sliding block 801 is connected to one end of the movable carrier frame 6 and is rotatably connected to two extension rods 802. The end of the extension rod 802 is detachably connected to a rolling gear 2 803 that meshes with the bar rack 703. A rotating disk 804 located above the sliding block 801 is rotatably mounted in the supporting vertical frame 1, and a connecting rod 805 is eccentrically hinged on the rotating disk 804. The other end of the connecting rod 805 is hinged on the sliding block 801. A driving member 9 for synchronously driving the rotating disk 804 and the telescopic shaft 702 to rotate is installed in the carrier box 701. The rotating disk 804 and the sliding block 801 are connected to form a crank slider structure through a connecting rod 805, and the reciprocating movement of the sliding block 801 can be achieved by rotating the rotating disk 804, and the moving direction of the sliding block 801 is set toward the movable supporting frame 6, and the rolling gear 2 803 is limited on the bar rack 703 in the bar groove 60211. Therefore, the movement of the sliding block 801 can be used to drive the movable supporting frame 6 to move back and forth synchronously, and the telescopic shaft 702 can be used as a guiding structure to ensure the accuracy of the lateral movement of the movable supporting frame 6. The two moving states are driven by the driving member 9 at the same time, which can ensure the continuity of the corrugated trajectory, avoid dislocation, and increase welding accuracy.

[0047] like Figure 8As shown, in some embodiments, the driving member 9 includes a support plate 901 fixedly connected to the carrier box 701, a rotating shaft 902 is rotatably installed on the support plate 901, and the rotating shaft 902 is connected to the rotating disk 804 through a pulley transmission. A driving motor 903 coaxially connected to the rotating shaft 902 is fixedly connected to the carrier box 701, a bevel gear 1 904 is fixedly sleeved on the rotating shaft 902, and a bevel gear 2 905 meshing with the bevel gear 1 904 is rotatably installed in the carrier box 701, and the bevel gear 2 905 and one of the telescopic shafts 702 are transmitted through a pulley. Dynamic connection, the driving motor 903 drives the bevel gear 1 904 and the bevel gear 2 905 to engage and transmit, and the pulley transmission connection between the bevel gear 2 905 and the telescopic shaft 702 can realize the rotation of the telescopic shaft 702, thereby driving the longitudinal movement of the mobile supporting frame 6, and at the same time, the pulley transmission connection between the rotating shaft 902 and the rotating disk 804 can be used to synchronously drive the rotating disk 804 to rotate, so as to ensure the synchronization of the two moving states, realize the corrugated moving trajectory, ensure the smooth operation of fish scale welding, and improve the structural strength of the cabinet after welding.

[0048] like Figure 7-10 As shown, in some embodiments, the ends of the extension rod 802 and the telescopic shaft 702 are both constructed with polygonal column rods 10, which are hexagonal column rods. Rolling gear 1 704 and rolling gear 2 803 are slidably sleeved on the polygonal column rod 10. A movable plate 11 is slidably installed on the side of the rectangular rod 6021 along its length direction. A threaded tube 12 is constructed through the movable plate 11, and the polygonal column rod 10 movably passes through the threaded tube 12. A screw sleeve 13 threadedly connected to the threaded tube 12 is rotatably installed on the extension rod 802 and the telescopic shaft 702. The connection between the ends of the telescopic shaft 702 and the extension rod 802 and the rolling gear 1 704 and the rolling gear 2 803 is set to a detachable structure, which can facilitate the disassembly of the movable supporting frame 6 as a whole to facilitate its maintenance and replacement, thereby increasing the flexibility of the device. When disassembly is required, it is only necessary to rotate the screw sleeve 13 to disengage it from the threaded tube 12, and the polygonal column rod 10 can be pulled out from the rolling gear 1 704 and the rolling gear 2 803, thereby increasing the convenience of operation.

[0049] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present application. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cabinet back panel positioning welding device, characterized in that: include: A supporting vertical frame (1), wherein the bottom of the supporting vertical frame (1) is fixedly connected to a supporting plate (2), and the upper end of the supporting vertical frame (1) is hinged to an arc-shaped mounting frame (3); The telescopic welding portion (4) comprises a gear rod (401) vertically slidably mounted on the end of the arc-shaped mounting frame (3), a spring plug connector (402) for mounting a welding rod being fixedly connected to the bottom end of the gear rod (401), and a rotating gear (403) meshing with the gear rod (401) being rotatably mounted on the arc-shaped mounting frame (3); An adjusting component (5) is mounted on the supporting vertical frame (1) and the arc-shaped mounting frame (3) and is used to synchronously drive the rotating gear (403) to rotate and the arc-shaped mounting frame (3) to flip; A movable carrying frame (6) is movably arranged on the supporting plate (2), a pusher (7) for driving the movable carrying frame (6) to move longitudinally is installed on the supporting vertical frame (1), and a toggle member (8) for driving the movable carrying frame (6) to move reciprocatingly in the horizontal direction is installed on the supporting vertical frame (1); The upper corner of the supporting vertical frame (1) is provided with a movable groove (101), and a horizontal convex plate (102) protruding from the supporting vertical frame (1) is provided in the movable groove (101). The arc-shaped mounting frame (3) includes an arc-shaped plate (301), and the bottom end of the inner concave side of the arc-shaped plate (301) is provided with a connecting frame (302) hinged to the end of the horizontal convex plate (102). The outer convex side of the arc-shaped plate (301) is provided with two arc-shaped vertical plates (303). The gear rod (401) slides through the top end of the arc-shaped plate (301), and the rotating gear (403) is rotatably installed between the two arc-shaped vertical plates (303). The adjusting component (5) comprises an adjusting motor (501) fixedly connected to one of the arc-shaped vertical plates (303); an output shaft of the adjusting motor (501) is coaxially connected to a rotating gear (403); an arc-shaped rack (502) is constructed on the convex side of the arc-shaped plate (301); a transmission gear (503) meshing with the arc-shaped rack (502) is rotatably mounted on the upper end of the supporting vertical frame (1); an arc-shaped through-groove (3011) is constructed on the arc-shaped plate (301); a transmission shaft (504) movably penetrating the arc-shaped through-groove (3011) is constructed on the transmission gear (503); and the adjusting motor (501) and the transmission shaft (504) are connected in transmission via a linkage assembly (505).

2. A cabinet back panel positioning welding device according to claim 1, characterized in that: The linkage assembly (505) comprises a synchronous wheel 1 (5051) fixedly sleeved on the transmission shaft (504) and the rotating gear (403); a fixed frame (5052) is fixedly connected to the side of the arc-shaped plate (301); a U-shaped plate (5053) is slidably installed in the fixed frame (5052); a support spring (5054) is connected between the U-shaped plate (5053) and the fixed frame (5052); a synchronous wheel 2 (5055) is rotatably installed in the U-shaped plate (5053); and a synchronous belt (5056) is sleeved between the synchronous wheel 1 (5051) and the synchronous wheel 2 (5055).

3. The cabinet back panel positioning welding device according to claim 1, characterized in that: The movable supporting frame (6) comprises a grid plate (601), both ends of the grid plate (601) are constructed with supporting movable bars (602), two clamping plates (603) located on the upper side of the grid plate (601) are slidably installed between the two supporting movable bars (602), and both ends of the clamping plates (603) are threadedly penetrated with fixing bolts (604) that abut against the supporting movable bars (602).

4. The cabinet back panel positioning welding device according to claim 3, characterized in that: The supporting movable bar (602) comprises a rectangular rod (6021), the bottom end of the rectangular rod (6021) being configured with a plurality of arcuate grooves (6022) in an array along its length direction, a universal ball (6023) being movably mounted in the arcuate groove (6022), the bottom end of the rectangular rod (6021) being connected to an end plate (6024) wrapped around the arcuate groove (6022) via bolts, and the end plate (6024) being configured with a plurality of through holes (6025) in an array for the universal ball (6023) to protrude.

5. The cabinet back panel positioning welding device according to claim 4, characterized in that: The push member (7) includes a carrying box (701) fixedly connected to one side of the supporting vertical frame (1), and two telescopic shafts (702) are rotatably installed in the carrying box (701), wherein a side of one of the rectangular rods (6021) is configured with a strip groove (60211), and a strip rack (703) is configured at the bottom of the strip groove (60211), and a rolling gear (704) meshing with the strip rack (703) is detachably connected to the end of the telescopic shaft (702).

6. The cabinet back panel positioning welding device according to claim 5, characterized in that: The toggle member (8) includes a sliding block (801) slidably mounted on the bottom of the supporting vertical frame (1), the sliding block (801) is rotatably connected to one end of the movable supporting frame (6) with two extension rods (802), the ends of the extension rods (802) are detachably connected to a rolling gear 2 (803) meshing with a bar rack (703), a rotating disk (804) located above the sliding block (801) is rotatably mounted in the supporting vertical frame (1), a connecting rod (805) is eccentrically hinged on the rotating disk (804), the other end of the connecting rod (805) is hinged on the sliding block (801), and a driving member (9) for synchronously driving the rotating disk (804) and the telescopic shaft (702) to rotate is installed in the supporting box (701).

7. The cabinet back panel positioning welding device according to claim 6, characterized in that: The driving member (9) includes a support plate (901) fixedly connected to the carrier box (701), a rotating shaft (902) is rotatably mounted on the support plate (901), the rotating shaft (902) and the rotating disk (804) are connected via a pulley transmission, a driving motor (903) is fixedly connected to the carrier box (701) and is coaxially connected to the rotating shaft (902), a bevel gear 1 (904) is fixedly sleeved on the rotating shaft (902), a bevel gear 2 (905) meshing with the bevel gear 1 (904) is rotatably mounted in the carrier box (701), and the bevel gear 2 (905) and one of the telescopic shafts (702) are connected via a pulley transmission.

8. The cabinet back panel positioning welding device according to claim 7, characterized in that: The ends of the extension rod (802) and the telescopic shaft (702) are both constructed with polygonal columns (10), the rolling gear 1 (704) and the rolling gear 2 (803) are slidably sleeved on the polygonal column (10), the side of the rectangular rod (6021) is slidably mounted with a movable plate (11) along its length direction, the movable plate (11) is penetrated by a threaded tube (12), the polygonal column (10) movably penetrates the threaded tube (12), and the extension rod (802) and the telescopic shaft (702) are both rotatably mounted with a screw sleeve (13) threadedly connected to the threaded tube (12).

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