A liquid reservoir double-station annular full-automatic welding device

Abstract

The utility model relates to automatic welding equipment technical field, and disclose a kind of liquid accumulator double-station annular full-automatic welding equipment, the liquid accumulator double-station annular full-automatic welding equipment, including up and down material mechanical arm, the movable end of up and down material mechanical arm is fixedly connected with support arm, the support arm is detachably connected with fixed frame by thread groove, one end of the fixed frame is fixedly connected with fixed rod, the inside of the fixed frame is provided with clamping mechanism.The liquid accumulator double-station annular full-automatic welding equipment is provided with clamping mechanism, and is driven fixed shaft rotation by cooperation control motor, utilizes the articulated groove and articulated shaft of circumferential array distribution and drives multiple connecting rods movement, to synchronously push multiple top block and the radial extension of its end block, realize the uniform, automatic inside bracing type clamping of workpiece, through the cooperation of multiple linear arrangement mounting frame, air passage and sieve plate, effectively disperses the clamping stress, avoids workpiece deformation.

Description

Technical Field

[0001] This utility model relates to the field of automatic welding equipment technology, specifically a dual-station ring-shaped fully automatic welding equipment for liquid storage tanks. Background Technology

[0002] Copper pipe welding equipment is a specialized tool and device used to connect copper pipes. It works by heating a filler metal (solder) to melt it and allow it to flow into the gap between the copper parts to be connected. After cooling, a strong joint is formed. This type of equipment is widely used in refrigeration, air conditioning systems, piping engineering, and other fields.

[0003] According to a public notice (Announcement No.: CN119910384A4) of a fully automatic copper pipe welding equipment, the aforementioned application includes a moving plate, guide rail, slider, drive cylinder, moving rod, rotating rod, placement frame, placement ring, welding torch, positioning rod, sleeve, and fixing assembly. When copper pipe welding is required, the operator first assembles the copper pipes to be joined and places them on the fixing assembly. Then, the drive cylinder is activated, which pushes the moving plate forward along the guide rail, aligning the welding torch on the placement ring with the welding point of the two copper pipes. Then, the reciprocating mechanism is activated, which drives the moving rod to move back and forth, thereby expanding the welding range of the welding torch. While the moving rod is moving back and forth, due to the connection between the sleeve and the rotating rod, the sleeve position remains unchanged, while the rotating rod moves back and forth and rotates back and forth, thereby causing the welding torch on the placement ring to swing left and right, thus changing the angle of the welding torch and ensuring uniform heating at the copper pipe welding point, which is beneficial to improving welding efficiency.

[0004] However, in actual use, the above-mentioned equipment only has one set of processing tables, and the equipment still requires the staff to manually install the spliced ​​copper pipes onto the fixing components, which is very inconvenient in actual use. In addition, the fixing components cannot adapt to copper pipes of various sizes. In view of this, we propose a dual-station ring fully automatic welding equipment for liquid storage tanks. Utility Model Content

[0005] The purpose of this invention is to provide a fully automatic ring welding device for liquid storage tanks with dual stations, in order to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A dual-station annular fully automatic welding equipment for liquid storage devices includes a loading and unloading robotic arm. A support arm is fixedly connected to the movable end of the loading and unloading robotic arm. A fixed frame is detachably connected to the support arm via a threaded groove. A fixed rod is fixedly connected to one end of the fixed frame. A clamping mechanism is provided inside the fixed frame. The clamping mechanism includes: A control motor is provided, wherein the outer surface of the control motor is fixedly connected to the inner wall of the fixed frame, a mounting bracket is fixedly connected to the outer surface of the fixed rod, an installation groove is provided inside the mounting bracket, a through groove is provided through the side wall of the mounting bracket, the inner wall of the through groove is rotatably connected to the output end of the control motor, and a fixed shaft is fixedly connected to the outer surface of the output end of the control motor. A hinge groove is formed on the outer surface of a fixed shaft. A hinge shaft is fixedly connected to the side wall of the hinge groove. One end of a connecting rod is rotatably connected to the outer surface of the hinge shaft. A top block is hinged to the other end of the connecting rod. A slot is formed at the end of the top block away from the fixed shaft. A locking block is detachably connected to the inner wall of the slot. A ventilation groove is formed on the outer wall of the mounting frame. A sieve plate is fixedly connected to the side wall of the ventilation groove.

[0007] Preferably, the outer surface of the mounting bracket is provided with multiple sets of fixing grooves that match the size of the fixing rod, and the number of the hinge grooves is multiple sets, which are distributed in a circumferential array on the outer surface of the fixing shaft.

[0008] Preferably, a rubber pad is fixedly connected to the outer surface of the card block, and multiple sets of mounting brackets are provided, with the multiple sets of mounting brackets arranged in a linear array on the outer surface of the fixing rod, and the outer surface of the mounting bracket is provided with a sliding groove that matches the size of the top block.

[0009] Preferably, a positioning mechanism is provided on the outer surface of the fixed rod at the end away from the control motor. The positioning mechanism includes a positioning element, the inner wall of which is fixedly connected to the outer wall of the fixed rod at the end away from the control motor. A rotating gear is rotatably connected to the inner wall of the positioning element, and the inner wall of the rotating gear is fixedly connected to the output end of the control motor. A movable toothed plate meshes with the outer surface of the rotating gear. A limit groove is formed at the end of the movable toothed plate near the rotating gear, and a limit rod is slidably connected to the inner wall of the limit groove. The end of the limit rod away from the movable toothed plate is fixedly connected to the inner wall of the positioning element. Preferably, a silicone plate is fixedly connected to the end of the movable toothed plate near the control motor, and the size of the movable toothed plate matches the size of the positioning element.

[0010] Preferably, one end of the loading and unloading robotic arm is equipped with two sets of copper tube automatic loading and pressing machines that are distributed in a mirror-symmetrical manner, and the other end of the loading and unloading robotic arm is equipped with a material unloading conveyor line, and the opposite side of the loading and unloading robotic arm is equipped with a ring chain welding line.

[0011] Preferably, the bottom surface of the device is fixedly connected with support feet, and the internal electrical control cabinet is centrally located inside the material feeding conveyor line.

[0012] Compared with the prior art, this utility model provides a dual-station annular fully automatic welding equipment for liquid storage tanks, which has the following beneficial effects: 1. This dual-station circular fully automatic welding equipment for liquid storage devices features a clamping mechanism that, in conjunction with a control motor driving a fixed shaft to rotate, utilizes a circumferentially arrayed array of hinge slots and hinge shafts to drive multiple sets of connecting rods. This synchronously pushes multiple top blocks and their end clamping blocks to extend radially, achieving uniform and automated internal support clamping of the workpiece. The combination of multiple linearly arranged mounting frames with ventilation slots and sieve plates effectively disperses clamping stress, preventing workpiece deformation. Simultaneously, the ventilation structure aids in heat dissipation, preventing overheating damage to the workpiece in the welding heat-affected zone. Rubber pads on the clamping block surface further increase friction and protect the workpiece surface, greatly improving clamping stability and safety, meeting the high-precision, non-destructive clamping requirements of fully automatic welding.

[0013] 2. This dual-station ring-shaped fully automatic welding equipment for liquid storage devices is equipped with a positioning mechanism. In conjunction with the control motor, it synchronously drives the rotating gear, which in turn drives the moving toothed plate to move linearly. The sliding cooperation between the limit rod and the limit groove ensures the accuracy and stability of the moving toothed plate's trajectory. This further ensures that the copper tube is free from deviation or jamming during clamping. The silicone plate at the front end of the moving toothed plate can flexibly press against the end of the workpiece, working in conjunction with the clamping mechanism at the other end to achieve precise axial positioning and fixation of the workpiece. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is one of the schematic diagrams of the clamping mechanism of this utility model; Figure 3 This is the second schematic diagram of the clamping mechanism of this utility model; Figure 4 This is the third schematic diagram of the clamping mechanism of this utility model; Figure 5 This is a schematic diagram of the structural positioning mechanism of this utility model.

[0015] In the diagram: 1. Automatic copper tube feeding and pressing machine; 2. Ring chain welding line; 3. Loading and unloading robotic arm; 31. Support arm; 311. Fixed frame; 312. Threaded groove; 313. Fixed rod; 4. Unloading conveyor line; 5. Clamping mechanism; 51. Control motor; 52. Mounting frame; 53. Mounting groove; 54. Fixed shaft; 55. Hinge groove; 56. Hinge shaft; 57. Connecting rod; 58. Top block; 59. Locking block; 510. Ventilation groove; 511. Screen plate; 6. Positioning mechanism; 61. Positioning component; 62. Rotary gear; 63. Moving toothed plate; 64. Limiting groove; 65. Limiting rod. Detailed Implementation

[0016] like Figures 1-5As shown, this utility model provides a technical solution: a fully automatic circular welding device for a liquid storage tank with two workstations, including a loading and unloading robotic arm 3. The movable end of the loading and unloading robotic arm 3 is fixedly connected to a support arm 31. The support arm 31 is detachably connected to a fixed frame 311 through a threaded groove 312. One end of the fixed frame 311 is fixedly connected to a fixed rod 313. The fixed frame 311 is provided with a clamping mechanism 5 inside. The clamping mechanism 5 includes: a control motor 51, a mounting frame 52, a mounting groove 53, a fixed shaft 54, a hinge groove 55, a hinge shaft 56, a connecting rod 57, a top block 58, a locking block 59, a venting groove 510, and a sieve plate 511.

[0017] In one embodiment of this utility model, the outer surface of the control motor 51 is fixedly connected to the inner wall of the fixing frame 311, and the outer surface of the fixing rod 313 is fixedly connected to the mounting frame 52. The mounting frame 52 has an internal mounting groove 53, and a through groove is formed through the side wall of the mounting frame 52. The inner wall of the through groove is rotatably connected to the output end of the control motor 51. A fixing shaft 54 ​​is fixedly connected to the outer surface of the output end of the control motor 51. A hinge groove 55 is formed on the outer surface of the fixing shaft 54, and a hinge shaft 56 is fixedly connected to the side wall of the hinge groove 55. One end of a connecting rod 57 is rotatably connected to the outer surface of the hinge shaft 56, and a top block 58 is hinged to the other end of the connecting rod 57. A slot is formed at the end of the top block 58 away from the fixing shaft 54, and the inner wall of the slot is detachably connected to... The outer wall of the clamping block 59 and the mounting frame 52 is provided with a ventilation groove 510. A screen plate 511 is fixedly connected to the side wall of the ventilation groove 510. Multiple sets of fixing grooves matching the size of the fixing rod 313 are opened through the outer surface of the mounting frame 52. Multiple sets of hinge grooves 55 are arranged in a circumferential array on the outer surface of the fixing shaft 54. A rubber pad is fixedly connected to the outer surface of the clamping block 59. Multiple sets of mounting frames 52 are arranged in a linear array on the outer surface of the fixing rod 313. The outer surface of the mounting frame 52 is provided with a sliding groove matching the size of the top block 58. The loading and unloading robotic arm 3 will automatically clamp the material conveyed by the copper pipe automatic loading and pressing machine 1. Furthermore, an integrated setting is provided in the lower... The electrical control cabinet inside the material conveyor line 4 identifies the material and further operates the control motor 51. A mounting bracket 52 is installed on the outer wall of the fixing rod 313, which is fixedly connected to the side wall of the fixing frame 311. Inside the mounting bracket 52, a fixing shaft 54 ​​is fixedly connected to the output end of the control motor 51. When the output end of the control motor 51 rotates, it synchronously drives the fixing shaft 54 ​​to rotate. When the fixing shaft 54 ​​rotates, the hinge groove 55 on the outer surface of the fixing shaft 54 ​​drives the hinge shaft 56 and the connecting rod 57 to move synchronously. Simultaneously, the rotating hinge shaft 56, in conjunction with the connecting rod 57 and the top block 58 hinged to the connecting rod 57, converts the rotational force generated by the fixing shaft 54 ​​into a force that allows the top block 58 to move vertically, thereby enabling the material to rotate. The top block 58 pushes out the mounting bracket 52 inside the slide groove. At this time, the clamping block 59 set in the slot will abut against the inner wall of the copper pipe. The outer surface of the clamping block 59 is fixedly connected with a rubber pad, which can further increase the friction between the device and the copper pipe. The clamping block 59 is designed to be detachable, and the operator can replace different models of the clamping block 59 according to the actual situation. It is also convenient to maintain the easily worn parts of the clamping block 59. Multiple sets of linearly arranged mounting brackets 52 can cooperate with multiple sets of clamping blocks 59 to effectively clamp the inner wall of the copper pipe, effectively dispersing the internal support clamping of the steel pipe and avoiding deformation of the copper pipe. Furthermore, by providing a threaded groove 312 on the outer surface of the fixed bracket 311, the clamping mechanism 5 can be quickly disassembled and assembled.

[0018] Additionally, a positioning mechanism 6 is provided on the outer surface of the fixed rod 313 at the end away from the control motor 51. The positioning mechanism 6 includes a positioning member 61, the inner wall of which is fixedly connected to the outer wall of the fixed rod 313 at the end away from the control motor 51. A rotating gear 62 is rotatably connected to the inner wall of the positioning member 61, and the inner wall of the rotating gear 62 is fixedly connected to the output end of the control motor 51. A movable toothed plate 63 meshes with the outer surface of the rotating gear 62. A limit groove 64 is formed at the end of the movable toothed plate 63 near the rotating gear 62. A limit rod 65 is slidably connected to the inner wall of the limit groove 64. The end of the limit rod 65 away from the movable toothed plate 63 is connected to the positioning member 61. The inner wall of component 61 is fixedly connected, and a silicone plate is fixedly connected to one end of the movable toothed plate 63 that is close to the control motor 51. The size of the movable toothed plate 63 matches the size of the positioning component 61. When the output end of the control motor 51 rotates, it will synchronously drive the rotating gear 62, which is fixedly connected to the outer surface of the output end of the control motor 51, to rotate simultaneously. Furthermore, the rotating gear 62 will drive the movable toothed plate 63 to perform linear motion, so that the movable toothed plate 63 moves out from the inside of the positioning component 61. The copper tube is clamped and positioned by the movable toothed plate 63. Furthermore, the limiting groove 64 and the limiting rod 65 will cooperate with each other to ensure that the relative position of the movable toothed plate 63 is fixed.

[0019] In this embodiment of the invention, one end of the loading / unloading robotic arm 3 is equipped with two sets of mirror-symmetrically distributed automatic copper tube loading and pressing machines 1, and the other end of the loading / unloading robotic arm 3 is equipped with a feeding conveyor line 4. Opposite to the loading / unloading robotic arm 3 is a ring chain welding line 2. The bottom surface of the device is fixedly connected with support feet, and the internal part of the feeding conveyor line 4 is centrally equipped with an electrical control cabinet. The automatic copper tube pressing area undergoes preliminary processing by the automatic copper tube loading and pressing machine 1. Straight and bent tubes are fed manually into the cylinder and fed by a vibratory feeder. The cylinder is positioned, the straight tubes are automatically assembled, the bent tubes are automatically assembled, the bent tubes are located, and the bent tubes are precisely positioned. Then, the loading / unloading robotic arm 3 works. The loading robotic arm fixes the assembled liquid storage device and places it at the working position of the ring chain. The bent tubes are preheated, welded, cooled, and flipped. The straight tubes are preheated, welded, and air-cooled. The ring chain welding line 2 carries each station intermittently. A reasonable turnover time is set, and the line automatically rotates to one station every cycle. To achieve highly efficient automated assembly and welding of products, the automatic copper tube feeding and pressing machine 1 is equipped with a straight tube section. This section features a vibratory feeder, open clamping jaws to await clamping, a check switch to detect the copper tube, clamping and translating the clamp to the pressing position, an electric cylinder advancing to insert the copper tube into the mandrel, the clamp releasing, the electric cylinder retracting, and the translation cylinder retracting. The machine also includes a bending section, which features a vibratory feeder, a material distribution cylinder that detects the bending tube and opens to place it into the storage bin, and pushes it in when there is no material at the waiting position. The cylinder drives the mold to send the bent pipe into the waiting position, the pusher cylinder sends the bent pipe from the waiting position into the mold, after retraction the mold presses down, the positioning mandrel limits the bent pipe, and the whole thing is pressed into the assembled cylinder by the electric cylinder. All of this device is set on a frame, which is welded and made of high-quality angle iron, square steel, iron plate, cold-rolled stainless steel plate, etc. The worktable is closed with doors made of cold-rolled plate or stainless steel plate around it, and the bottom is connected with support feet, which can be finely adjusted in height. It is required that the supporting foundation be level and have sufficient load-bearing capacity.

[0020] In this utility model, during use, the loading and unloading robotic arm 3 first moves to the copper tube automatic loading and pressing machine 1. The fixed frame 311 and fixed rod 313 at the front end of its support arm 31 extend into the copper tube. Then, the control motor 51 starts, driving the fixed shaft 54 ​​to rotate. Through the transmission of the hinge shaft 56 and the connecting rod 57, multiple sets of top blocks 58 and their end locking blocks 59 are pushed radially out of the sliding groove of the mounting frame 52, thereby supporting the workpiece from the inside. At the same time, the output end of the control motor 51 drives the rotating gear 62 to rotate, meshing with the moving toothed plate 63 to move forward and position and clamp the workpiece from the other end, achieving precise centering and fixing of the workpiece. After clamping, the loading and unloading robotic arm 3 transfers the workpiece to the corresponding station of the ring chain welding line 2 for ring welding. After welding is completed, the loading and unloading robotic arm 3 transports the finished product to the unloading conveyor line 4. The control motor 51 reverses to release the clamping mechanism 5 and the positioning mechanism 6, completing the unloading, thereby realizing the fully automated cycle operation of dual-station ring welding.

[0021] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A fully automatic circular welding device for a liquid storage tank with dual stations, comprising a loading and unloading robotic arm (3), wherein a support arm (31) is fixedly connected to the movable end of the loading and unloading robotic arm (3), and a fixed frame (311) is detachably connected to the support arm (311) via a threaded groove (312), and a fixed rod (313) is fixedly connected to one end of the fixed frame (311), characterized in that: The fixing frame (311) is provided with a clamping mechanism (5) inside, and the clamping mechanism (5) includes: A control motor (51) is fixedly connected to the inner wall of a fixed frame (311) on its outer surface. A mounting frame (52) is fixedly connected to the outer surface of a fixed rod (313). A mounting groove (53) is provided inside the mounting frame (52). A through groove is provided through the side wall of the mounting frame (52). The inner wall of the through groove is rotatably connected to the output end of the control motor (51). A fixed shaft (54) is fixedly connected to the outer surface of the output end of the control motor (51). The hinge groove (55) is opened on the outer surface of the fixed shaft (54). The hinge shaft (56) is fixedly connected to the side wall of the hinge groove (55). One end of the connecting rod (57) is rotatably connected to the outer surface of the hinge shaft (56). The other end of the connecting rod (57) is hinged to a top block (58). A slot is opened at the end of the top block (58) away from the fixed shaft (54). A locking block (59) is detachably connected to the inner wall of the slot. A ventilation groove (510) is opened on the outer wall of the mounting frame (52). A sieve plate (511) is fixedly connected to the side wall of the ventilation groove (510).

2. The fully automatic circular welding equipment for a liquid storage tank with dual stations according to claim 1, characterized in that: The outer surface of the mounting bracket (52) is provided with multiple sets of fixing grooves that match the size of the fixing rod (313), and the number of the hinge grooves (55) is multiple sets, which are arranged in a circumferential array on the outer surface of the fixing shaft (54).

3. The fully automatic circular welding equipment for a liquid storage tank with dual stations according to claim 1, characterized in that: The outer surface of the card block (59) is fixedly connected with a rubber pad. The number of mounting brackets (52) is set in multiple sets, and the multiple sets of mounting brackets (52) are distributed in a linear array on the outer surface of the fixing rod (313). The outer surface of the mounting bracket (52) is provided with a sliding groove that matches the size of the top block (58).

4. The fully automatic circular welding equipment for a liquid storage tank with dual stations according to claim 1, characterized in that: A positioning mechanism (6) is provided on the outer surface of the fixed rod (313) at the end away from the control motor (51). The positioning mechanism (6) includes a positioning element (61). The inner wall of the positioning element (61) is fixedly connected to the outer wall of the fixed rod (313) at the end away from the control motor (51). A rotating gear (62) is rotatably connected to the inner wall of the positioning element (61). The inner wall of the rotating gear (62) is fixedly connected to the output end of the control motor (51). A movable toothed plate (63) meshes with the outer surface of the rotating gear (62). A limiting groove (64) is opened at the end of the movable toothed plate (63) close to the rotating gear (62). A limiting rod (65) is slidably connected to the inner wall of the limiting groove (64). The end of the limiting rod (65) away from the movable toothed plate (63) is fixedly connected to the inner wall of the positioning element (61).

5. The fully automatic circular welding equipment for a liquid storage tank with dual stations according to claim 4, characterized in that: The movable toothed plate (63) is fixedly connected to a silicone plate at one end of the proximity control motor (51), and the size of the movable toothed plate (63) matches the size of the positioning member (61).

6. The fully automatic circular welding equipment for a liquid storage tank with dual stations according to claim 1, characterized in that: One end of the loading and unloading robotic arm (3) is equipped with two sets of copper tube automatic loading and pressing machines (1) arranged in a mirror symmetrical manner, and the other end of the loading and unloading robotic arm (3) is equipped with a material unloading conveyor line (4). A ring chain welding line (2) is set on the opposite side of the loading and unloading robotic arm (3).

7. The fully automatic circular welding equipment for a liquid storage tank with dual stations according to claim 6, characterized in that: The bottom surface of this device is fixedly connected with support feet, and the internal electrical control cabinet is centrally located inside the feeding conveyor line (4).

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