Riveting buckle welding device

Abstract

The invention relates to the technical field of welding devices, in particular to a rivet buckle welding device. The rivet buckle welding device comprises a moving mechanism, a rivet buckle electrode holder mechanism, a rivet buckle feeding mechanism and a conveying mechanism, the rivet buckle electrode holder mechanism and the rivet buckle feeding mechanism are both installed on the moving mechanism, and the conveying mechanism is fixed to the bottom of the moving mechanism; the rivet buckle feeding mechanism comprises a rivet buckle taking assembly, a rivet buckle pushing assembly and a rivet buckle overturning assembly, the rivet buckle pushing assembly comprises a pushing rod, the rivet buckle taking assembly conveys rivet buckles to the pushing rod, the pushing rod conveys the rivet buckles to the rivet buckle overturning assembly, the rivet buckle overturning assembly comprises a magnet, and the magnet rotates to attract the rivet buckles and fixes the rivet buckles with the rivet buckle fixing structure; the conveying mechanism comprises a conveying roller and a hoop clamping assembly, and the hoop clamping assembly is arranged on a conveying path of the conveying roller. According to the rivet buckle welding device, automatic production of end-plate-free hoops of different specifications is achieved, and the hoop rivet buckle welding quality and the welding position precision are improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding devices, and in particular to a rivet welding device. Background Art

[0002] Concrete pipe piles include many types, and end plate-less concrete square piles are one of them. There is a hoop at each end of the square pile. When producing square piles, it is necessary to assemble them at both ends of the cage reinforcement in the pipe mold. Before pouring concrete, it is necessary to apply pre-tension to the cage reinforcement in the pipe mold, and when tensioning the cage reinforcement, it is necessary to ensure that the hoop is close to the tensioning plate. After pouring concrete, the cage reinforcement, hoop and concrete form a square pile. The rivet is a load-bearing accessory welded on the hoop. During the assembly of the hoop, the rivet serves to connect the hoop with the cage reinforcement, and the cage reinforcement sleeve nut applies tension to the rivet. During the tensioning process, ensure that the hoop is close to the tensioning plate to ensure that the end face of the square pile is flat.

[0003] In the prior art, the welding of the rivet buckle and the hoop is performed by workers manually taking the rivet buckle and the hoop for positioning and welding, which is not conducive to the realization of the automated production process of the square pile hoop and has low work efficiency. In addition, because the thickness of the steel strip used to make the hoop is relatively thin, if conventional welding is used, it is easy to weld through the hoop, affecting the appearance quality of the end of the pile. Summary of the invention

[0004] The object of the present invention is to provide a rivet welding device to alleviate the problems in the prior art of low efficiency in manually positioning and welding the rivet and the hoop and the inability to ensure welding quality.

[0005] In order to solve the above technical problems, the technical solution provided by the present invention is:

[0006] A rivet welding device comprises: a moving mechanism, a rivet welding clamp mechanism, a rivet feeding mechanism and a conveying mechanism, wherein the rivet welding clamp mechanism and the rivet feeding mechanism are both installed on the moving mechanism, the conveying mechanism is fixed to the bottom of the moving mechanism, and the moving mechanism can perform three-dimensional movement in space;

[0007] The rivet welding clamp mechanism comprises a welding clamp electrode assembly, and the welding clamp electrode assembly comprises a rivet fixing structure for positioning the rivet;

[0008] The rivet button feeding mechanism comprises a rivet button picking assembly, a rivet button pushing assembly and a rivet button flipping assembly, wherein the rivet button pushing assembly comprises a pushing rod, the rivet button picking assembly conveys the rivet button to the pushing rod, the pushing rod conveys the rivet button to the rivet button flipping assembly, and the rivet button flipping assembly comprises a magnet, the magnet rotates to absorb the rivet button and fixes the rivet button with the rivet button fixing structure;

[0009] The conveying mechanism comprises a conveying roller and a ferrule clamping assembly, wherein the conveying roller is used to convey the ferrule, the ferrule clamping assembly is arranged on a conveying path of the conveying roller, and the ferrule clamping assembly is used to fix the ferrule.

[0010] Furthermore, the rivet button feeding mechanism also includes a rivet button hopper assembly, which includes a storage hopper and a discharge guide groove arranged in parallel, the storage hopper is used to place the rivets to be used, and the discharge guide groove is arranged through, and the rivet button picking assembly absorbs the rivets in the storage hopper and transports them to the pushing rod through the discharge guide groove.

[0011] Furthermore, the rivet and buckle material picking assembly includes a lifting and picking cylinder, a translational material picking cylinder and a rivet and buckle magnetic suction piece, the translational material picking cylinder is connected to the lifting and picking cylinder, and the rivet and buckle magnetic suction piece is installed at one end of the translational material picking cylinder away from the lifting and picking cylinder.

[0012] Furthermore, the push rod is provided with a groove structure for clamping the rivet buckle, and the groove structure is used to fix the rivet buckle dropped from the discharge guide groove.

[0013] Furthermore, the rivet button pushing assembly also includes a pushing cylinder and a guide rail, the pushing cylinder is transmission-connected to the pushing rod, the guide rail is fixedly arranged, and the guide rail is guided and matched with the pushing rod.

[0014] Furthermore, the rivet button flipping assembly also includes a flipping cylinder, a flipping rod and a sleeve, the flipping cylinder is transmission-connected to the flipping rod, the magnet is installed on the flipping rod, and the flipping cylinder can drive the flipping rod to rotate around the sleeve.

[0015] Furthermore, the riveting welding clamp mechanism also includes a welding clamp rotating assembly and a welding clamp transformer assembly, and the welding clamp transformer assembly and the welding clamp electrode assembly are both rotatably mounted on the welding clamp rotating assembly.

[0016] Furthermore, the welding clamp electrode assembly also includes a first electrode, a second electrode and a control cylinder, the first electrode and the second electrode are arranged opposite to each other, the rivet fixing structure is fixedly arranged on the first electrode, and the control cylinder is transmission-connected with the first electrode and the second electrode.

[0017] Furthermore, the moving mechanism includes a truss X-axis assembly, a truss Y-axis assembly and a truss Z-axis assembly, the truss Y-axis assembly is installed on the truss X-axis assembly, and the truss Z-axis assembly is installed on the truss Y-axis assembly.

[0018] Furthermore, the ferrule clamping assembly includes a front limit assembly, a left limit assembly, a rear clamping assembly and a right clamping assembly which are arranged in an enclosed manner. The front limit assembly, the left limit assembly, the rear clamping assembly and the right clamping assembly can clamp or loosen the ferrule transported from the conveying roller.

[0019] The present invention brings at least the following beneficial effects:

[0020] The present invention provides a rivet button welding device, comprising: a moving mechanism, a rivet button welding clamp mechanism, a rivet button feeding mechanism and a conveying mechanism, wherein the rivet button welding clamp mechanism and the rivet button feeding mechanism are both installed on the moving mechanism, and the conveying mechanism is fixed to the bottom of the moving mechanism, and the moving mechanism can perform three-dimensional movement in space; the rivet button welding clamp mechanism comprises a welding clamp electrode assembly, and the welding clamp electrode assembly comprises a rivet button fixing structure for positioning the rivet button; the rivet button feeding mechanism comprises a rivet button picking assembly, a rivet button pushing assembly and a rivet button flipping assembly, the rivet button pushing assembly comprises a pushing rod, the rivet button picking assembly conveys the rivet button to the pushing rod, the pushing rod conveys the rivet button to the rivet button flipping assembly, the rivet button flipping assembly comprises a magnet, the magnet rotates to absorb the rivet button and fixes the rivet button with the rivet button fixing structure; the conveying mechanism comprises a conveying roller and a hoop clamping assembly, the conveying roller is used to convey the hoop, the hoop clamping assembly is arranged on the conveying path of the conveying roller, and the hoop clamping assembly is used to fix the hoop.

[0021] The rivet button pick-up assembly conveys the rivet button to the push rod, which pushes the rivet button to the bottom of the rivet button flip assembly. Then, the magnet of the rivet button flip assembly grabs the rivet button and flips it to a horizontal state, and cooperates with the rivet button fixing structure to clamp the rivet button horizontally. Since the rivet button feeding mechanism is installed on the rivet button welding clamp mechanism, and the rivet button welding clamp mechanism is installed on the moving mechanism, the rotation, lifting, and horizontal lateral and longitudinal movement of the rivet button welding clamp mechanism can be realized through the cooperation of the above mechanisms, thereby realizing the three-dimensional spatial movement of the rivet button welding clamp mechanism. At the same time, the conveying roller conveys the hoop to the hoop clamping assembly, and the hoop clamping assembly fixes the hoop. After the rivet button welding clamp mechanism moves to the specified position, the fixed rivet button is pressed against the hoop, and the positive and negative electrodes of the resistance welding on the rivet button welding clamp device clamp the rivet button and the hoop, and conducts current to locally heat and melt the hoop and the rivet button so that the two are fused together to complete a welding. Then the rivet button welding clamp mechanism releases the rivet button, continues to move in three dimensions, moves to the next specified position, and completes the welding of all rivets in sequence. After all welding is completed, the ferrule clamping assembly is released, and the conveying roller conveys the ferrule to the unloading position, completing the welding work of a ferrule rivet buckle.

[0022] The rivet welding device has strong adaptability and can automatically complete the welding of rivets on ferrules with different side lengths and different heights, realizing the automated production of ferrules without end plates of different specifications. It improves the welding quality and welding position accuracy of ferrule rivets, speeds up the rivet welding speed, and reduces the labor intensity of workers. In addition, it also changes the types of operators required for ferrule production. Professional welding workers can complete ferrule production by ordinary operators, reducing labor costs.

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the related technologies, the drawings required for use in the specific embodiments or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are 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.

[0025] Figure 1 An overall schematic diagram of a rivet welding device provided in an embodiment of the present invention;

[0026] Figure 2 A schematic diagram of a moving mechanism provided by an embodiment of the present invention;

[0027] Figure 3 A schematic diagram of a rivet welding clamp mechanism provided by an embodiment of the present invention;

[0028] Figure 4 A schematic diagram of a rivet feeding mechanism provided in an embodiment of the present invention;

[0029] Figure 5 A schematic diagram of a rivet button pushing assembly provided in an embodiment of the present invention;

[0030] Figure 6 A schematic diagram of a conveying mechanism provided in an embodiment of the present invention.

[0031] icon:

[0032] 1-moving mechanism; 101-truss X-axis assembly; 102-truss Y-axis assembly; 103-truss Z-axis assembly; 2-riveted welding clamp mechanism; 201-welding clamp rotating assembly; 202-welding clamp transformer assembly; 203-welding clamp electrode assembly; 2031-first electrode; 2032-second electrode; 2033-riveted fixing structure; 2034-control cylinder; 3-riveted feeding mechanism; 3021-storage bin; 3022-discharging guide groove; 3031-lifting and taking cylinder; 3032-translational taking cylinder Cylinder; 3033-riveted magnetic part; 3041-push rod; 30411-groove structure; 3042-push cylinder; 3043-guide rail; 305-riveted flip assembly; 3051-flip cylinder; 3052-flip rod; 3053-magnet; 3054-sleeve; 4-conveying mechanism; 401-base; 402-conveying roller; 403-hoop clamping assembly; 4031-front limit assembly; 4032-left limit assembly; 4033-rear clamping assembly; 4034-right clamping assembly. DETAILED DESCRIPTION

[0033] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. 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.

[0034] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0035] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Physical quantities in formulas, if not separately marked, should be understood as basic quantities of the base units of the International System of Units, or derived quantities derived from the basic quantities through mathematical operations such as multiplication, division, differentiation or integration.

[0036] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0037] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments may be combined with each other.

[0039] Embodiment 1

[0040] In the prior art, the welding of the rivet buckle and the hoop is performed by workers manually taking the rivet buckle and the hoop for positioning and welding, which is not conducive to the realization of the automated production process of the square pile hoop and has low work efficiency. In addition, because the thickness of the steel strip used to make the hoop is relatively thin, if conventional welding is used, it is easy to weld through the hoop, affecting the appearance quality of the end of the pile.

[0041] In view of this, an embodiment of the present invention provides a rivet welding device, see Figure 1 , including: a mobile mechanism 1, a riveting button welding clamp mechanism 2, a riveting button feeding mechanism 3 and a conveying mechanism 4, the riveting button welding clamp mechanism 2 and the riveting button feeding mechanism 3 are both installed on the mobile mechanism 1, the conveying mechanism 4 is fixed to the bottom of the mobile mechanism 1, and the mobile mechanism 1 can perform three-dimensional movement in space; the riveting button welding clamp mechanism 2 includes a welding clamp electrode assembly 203, the welding clamp electrode assembly 203 includes a riveting button fixing structure 2033 for positioning the riveting button; the riveting button feeding mechanism 3 includes a riveting button picking assembly, a riveting button pushing assembly and a riveting button flipping assembly 305, the riveting button pushing assembly includes a pushing rod 3041, the riveting button picking assembly The parts convey the rivet buckle to the pushing rod 3041, and the pushing rod 3041 conveys the rivet buckle to the rivet buckle flipping assembly 305. The rivet buckle flipping assembly 305 includes a magnet 3053. The magnet 3053 rotates to absorb the rivet buckle and fixes the rivet buckle with the rivet buckle fixing structure 2033; the conveying mechanism 4 includes a conveying roller 402 and a ferrule clamping assembly 403. The conveying roller 402 and the ferrule clamping assembly 403 are both arranged on the base frame 401. The conveying roller 402 is used to convey the ferrule. The ferrule clamping assembly 403 is arranged on the conveying path of the conveying roller 402, and the ferrule clamping assembly 403 is used to fix the ferrule.

[0042] The rivet button picking assembly conveys the rivet button to the push rod 3041, and the push rod 3041 pushes the rivet button to the bottom of the rivet button flip assembly 305, and then the magnet 3053 of the rivet button flip assembly 305 grabs the rivet button and flips it to a horizontal state, and cooperates with the rivet button fixing structure 2033 to clamp and fix the rivet button horizontally. Since the rivet button feeding mechanism 3 is installed on the rivet button welding clamp mechanism 2, and the rivet button welding clamp mechanism 2 is installed on the moving mechanism 1, the rotation, lifting, horizontal and vertical movement of the rivet button welding clamp mechanism 2 can be realized through the cooperation of the above mechanisms, thereby realizing the three-dimensional spatial movement of the rivet button welding clamp mechanism 2. At the same time, the conveying roller 402 conveys the hoop to the hoop clamping assembly 403, and the hoop clamping assembly 403 fixes the hoop. After the rivet buckle welding clamp mechanism 2 moves to the specified position, the fixed rivet buckle is pressed against the hoop. The positive and negative electrodes of the resistance welding on the rivet buckle welding clamp device clamp the rivet buckle and the hoop, and conduct current to locally heat and melt the hoop and the rivet buckle so that the two are fused together to complete a welding. Then the rivet buckle welding clamp mechanism 2 releases the rivet buckle, continues to move in three-dimensional space, moves to the next specified position, and completes the welding of all rivet buckles in sequence. After all welding is completed, the hoop clamping assembly 403 is released, and the conveying roller 402 conveys the hoop to the unloading position, completing the welding of a hoop rivet buckle.

[0043] The rivet welding device has strong adaptability and can automatically complete the welding of rivets on ferrules with different side lengths and different heights, realizing the automated production of ferrules without end plates of different specifications. It improves the welding quality and welding position accuracy of ferrule rivets, speeds up the rivet welding speed, and reduces the labor intensity of workers. In addition, it also changes the types of operators required for ferrule production. Professional welding workers can complete ferrule production by ordinary operators, reducing labor costs.

[0044] In an optional manner of this embodiment, the rivet button feeding mechanism 3 also includes a rivet button hopper assembly, which includes a storage hopper 3021 and a discharge guide groove 3022 arranged in parallel. The storage hopper 3021 is used to place the rivets to be used, and the discharge guide groove 3022 is arranged through. The rivet button picking assembly absorbs the rivets in the storage hopper 3021 and transports them to the pushing rod 3041 through the discharge guide groove 3022.

[0045] See also Figure 4 The sorted rivets to be used are placed in the storage bin 3021 in the correct direction. When welding, the rivet picking assembly absorbs the top rivet in the storage bin 3021 and transports it to the push rod 3041 through the through discharge guide groove 3022.

[0046] In an optional manner of this embodiment, the rivet and buckle material picking assembly includes a lifting and picking cylinder 3031, a translational material picking cylinder 3032 and a rivet and buckle magnetic suction component 3033. The translational material picking cylinder 3032 is connected to the lifting and picking cylinder 3031, and the rivet and buckle magnetic suction component 3033 is installed at one end of the translational material picking cylinder 3032 away from the lifting and picking cylinder 3031.

[0047] See also Figure 4 When the riveting button picking assembly is in motion, the translation picking cylinder 3032 drives the riveting button magnetic suction piece 3033 to move to the top of the storage bin 3021, and then the lifting and picking cylinder 3031 drives the translation picking cylinder 3032 and the riveting button magnetic suction piece 3033 to descend, and the riveting button magnetic suction piece 3033 hits the first riveted button at the top of the storage bin 3021 and energizes and absorbs it. Then the lifting and picking cylinder 3031 drives the translation picking cylinder 3032 and the riveting button magnetic suction piece 3033 to rise, and the translation picking cylinder 3032 drives the riveting button magnetic suction piece 3033 to translate to the top of the material discharge guide groove 3022, and the lifting and picking cylinder 3031 drives the translation picking cylinder 3032 and the riveting button magnetic suction piece 3033 to descend, so that the absorbed riveted button falls into the push rod 3041 through the material discharge guide groove 3022.

[0048] In an optional manner of this embodiment, the push rod 3041 is provided with a groove structure 30411 for clamping the rivet buckle, and the groove structure 30411 is used to fix the rivet buckle dropped from the discharge guide groove 3022.

[0049] See also Figure 5 The push rod 3041 is provided with a groove structure 30411 for clamping a rivet button. The groove structure 30411 can clamp a rivet button that falls into it due to gravity or external force to position the rivet button. When the push rod 3041 is pushed outward, the rivet button that falls into its groove structure 30411 will move outward synchronously.

[0050] In an optional manner of this embodiment, the rivet pusher assembly also includes a pusher cylinder 3042 and a guide rail 3043. The pusher cylinder 3042 is transmission-connected to the pusher rod 3041, the guide rail 3043 is fixedly arranged, and the guide rail 3043 is guided and matched with the pusher rod 3041.

[0051] See also Figure 4 After the rivet button falls into the groove structure 30411, the pushing cylinder 3042 pushes the pushing rod 3041. Through the guiding effect of the guide rail 3043, the rivet button placed in the groove structure 30411 can be pushed to the bottom of the rivet button flipping assembly 305, so as to perform the next step.

[0052] In an optional manner of this embodiment, the rivet flip assembly 305 also includes a flip cylinder 3051, a flip rod 3052 and a sleeve 3054, the flip cylinder 3051 is transmission-connected to the flip rod 3052, the magnet 3053 is installed on the flip rod 3052, and the flip cylinder 3051 can drive the flip rod 3052 to rotate around the sleeve 3054.

[0053] See also Figure 4 After the rivet button is pushed to the bottom of the rivet button flipping assembly 305, the flipping cylinder 3051 pushes the flipping rod 3052 and the magnet 3053 installed thereon to rotate around the shaft sleeve 3054, and the magnet 3053 contacts the rivet button on the pushing rod 3041 and absorbs it. Then the flipping cylinder 3051 retracts to drive the flipping rod 3052, the magnet 3053 and the absorbed rivet button to rotate to a specified state, and the rivet button is fixed by the magnet 3053 and the rivet button fixing structure 2033.

[0054] In an optional manner of this embodiment, the riveting welding clamp mechanism 2 further includes a welding clamp rotating assembly 201 and a welding clamp transformer assembly 202 , and the welding clamp transformer assembly 202 and the welding clamp electrode assembly 203 are both rotatably mounted on the welding clamp rotating assembly 201 .

[0055] See also Figure 3 The welding clamp transformer assembly 202 can reduce the voltage and provide a large current; the welding clamp electrode assembly 203 can conduct the welding current to ensure the current density of the welding point, so that the rivet buckle and the contact surface of the ferrule are heated, melted and welded together. The welding clamp transformer assembly 202 and the welding clamp electrode assembly 203 are both installed on the welding clamp rotating assembly 201. The welding clamp rotating assembly 201 can drive the welding clamp transformer assembly 202 and the welding clamp electrode assembly 203 to rotate 360 ​​degrees, so that the rivet buckle can be grabbed from the set direction, and when the rivet buckle is welded on four different surfaces of the inner wall of the ferrule, the angle is adjusted in real time by rotation so that the welding surface of the rivet buckle is close to the four surfaces of the ferrule, so as to achieve accurate welding.

[0056] In an optional manner of this embodiment, the welding clamp electrode assembly 203 also includes a first electrode 2031, a second electrode 2032 and a control cylinder 2034. The first electrode 2031 and the second electrode 2032 are arranged opposite to each other, the rivet fixing structure 2033 is fixedly arranged on the first electrode 2031, and the control cylinder 2034 is transmission-connected with the first electrode 2031 and the second electrode 2032.

[0057] See also Figure 3 The control cylinder 2034 can control the first electrode 2031 and the second electrode 2032 to contact each other, thereby realizing the welding of the rivet. The rivet fixing structure 2033 can be a structure of two upper and lower clamping plates, or a block structure with a groove, as long as the rivet can be fixed.

[0058] In an optional manner of this embodiment, the moving mechanism 1 includes a truss X-axis assembly 101, a truss Y-axis assembly 102 and a truss Z-axis assembly 103, the truss Y-axis assembly 102 is installed on the truss X-axis assembly 101, and the truss Z-axis assembly 103 is installed on the truss Y-axis assembly 102.

[0059] See also Figure 2 The truss Y-axis assembly 102 is mounted on the truss X-axis assembly 101 and can move on the truss X-axis assembly 101; the truss Z-axis assembly 103 is mounted on the truss Y-axis assembly 102 and can move on the truss Y-axis assembly 102. The truss Z-axis assembly 103 can move up and down within a certain range and can stop at any height at any time. The truss X-axis assembly 101, the truss Y-axis assembly 102 and the truss Z-axis assembly 103 can realize movement at any position in a three-dimensional space through linkage.

[0060] In an optional manner of this embodiment, the ferrule clamping assembly 403 includes a front limit assembly 4031, a left limit assembly 4032, a rear clamping assembly 4033 and a right clamping assembly 4034 which are arranged in an enclosed manner. The front limit assembly 4031, the left limit assembly 4032, the rear clamping assembly 4033 and the right clamping assembly 4034 can clamp or loosen the ferrule transported by the self-conveying roller 402.

[0061] See also Figure 6 When welding, the front limit assembly 4031, the left limit assembly 4032, the rear clamping assembly 4033 and the right clamping assembly 4034 jointly clamp and fix the ferrule conveyed by the conveying roller 402; after welding is completed, the front limit assembly 4031, the left limit assembly 4032, the rear clamping assembly 4033 and the right clamping assembly 4034 are separated, the ferrule is loosened and conveyed to the next process through the conveying roller 402.

[0062] The working process of the rivet welding device of this embodiment is as follows:

[0063] S1: Put the sorted rivets into the storage bin 3021 in the correct direction, the translation material taking cylinder 3032 drives the rivet magnetic part 3033 to move to the top of the storage bin 3021, and then the lifting material taking cylinder 3031 drives the translation material taking cylinder 3032 and the rivet magnetic part 3033 to descend, and the rivet magnetic part 3033 hits the first rivet at the top of the storage bin 3021 and absorbs it by power. Then the lifting and picking cylinder 3031 drives the translational picking cylinder 3032 and the rivet magnetic part 3033 to rise, and the translational picking cylinder 3032 drives the rivet magnetic part 3033 to move horizontally to just above the discharge guide groove 3022, and the lifting and picking cylinder 3031 drives the translational picking cylinder 3032 and the rivet magnetic part 3033 to descend, so that the sucked rivets fall into the groove structure 30411 on the pushing rod 3041 through the discharge guide groove 3022.

[0064] S2: The push cylinder 3042 pushes the push rod 3041 , which is guided by the guide rail 3043 to push the rivet button placed in the groove structure 30411 to the bottom of the rivet button flip assembly 305 .

[0065] S3: After being pushed out, the rivet buckle is pushed by the flip cylinder 3051 to rotate the flip rod 3052 and the magnet 3053 installed thereon around the shaft sleeve 3054, and the magnet 3053 contacts the rivet buckle on the push rod 3041 and absorbs it, and the flip cylinder 3051 retracts to drive the flip rod 3052, the magnet 3053 and the absorbed rivet buckle to rotate to a specified state, and after the rivet buckle is separated from the push rod 3041, the push rod 3041 retracts to prepare for receiving the next rivet buckle, and the flip cylinder 3051 pushes the flip rod 3052 and the magnet 3053 installed thereon to rotate around the shaft sleeve 3054 again, and the magnet 3053 and the rivet buckle fixing structure 2033 fix the rivet buckle to the welding clamp electrode assembly 203.

[0066] S4: There is a ferrule on the conveying mechanism 4 which is conveyed by the conveying roller 402 and is fixed by the ferrule clamping assembly 403 .

[0067] S5: The truss X-axis assembly 101, the truss Y-axis assembly 102, the truss Z-axis assembly 103 and the welding clamp rotating assembly 201 cooperate to move and rotate in linkage, driving the riveting welding clamp mechanism 2 to move to the specified position. The specified position is the inner side of the hoop, one surface of the riveting buckle is in close contact with the inner wall of the hoop, and the riveting buckle is between the magnet 3053 and the riveting buckle fixing structure 2033.

[0068] S6: The welding clamp transformer assembly 202 and the welding clamp electrode assembly 203 weld the rivet buckle hoop together. After welding is completed, the flip cylinder 3051 retracts, driving the flip rod 3052 and the magnet 3053 installed thereon to leave the rivet buckle.

[0069] S7: The truss X-axis assembly 101, the truss Y-axis assembly 102, the truss Z-axis assembly 103 and the welding clamp rotating assembly 201 move and rotate in cooperation, driving the rivet welding clamp mechanism 2 to move to the designated position of the next rivet welding, and completing the welding of the next rivet. The next rivet is sent to the welding clamp electrode assembly 203 according to steps S1, S2 and S3, waiting for the next welding.

[0070] S8: The ferrule clamping assembly 403 is released, and the conveying roller 402 conveys the welded ferrule away. The conveying roller 402 conveys another ferrule without welded rivets, and the ferrule clamping assembly 403 fixes the ferrule.

[0071] S9: All mechanisms reset and jump back to S1.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A rivet welding device, characterized in that: include: A moving mechanism, a rivet welding clamp mechanism, a rivet feeding mechanism and a conveying mechanism, wherein the rivet welding clamp mechanism and the rivet feeding mechanism are both installed on the moving mechanism, the conveying mechanism is fixed to the bottom of the moving mechanism, and the moving mechanism can perform three-dimensional movement in space; The rivet welding clamp mechanism comprises a welding clamp electrode assembly, and the welding clamp electrode assembly comprises a rivet fixing structure for positioning the rivet; The rivet button feeding mechanism comprises a rivet button picking assembly, a rivet button pushing assembly and a rivet button flipping assembly, wherein the rivet button pushing assembly comprises a pushing rod, the rivet button picking assembly conveys the rivet button to the pushing rod, the pushing rod conveys the rivet button to the rivet button flipping assembly, and the rivet button flipping assembly comprises a magnet, the magnet rotates to absorb the rivet button and fixes the rivet button with the rivet button fixing structure; The conveying mechanism comprises a conveying roller and a ferrule clamping assembly, wherein the conveying roller is used to convey the ferrule, the ferrule clamping assembly is arranged on a conveying path of the conveying roller, and the ferrule clamping assembly is used to fix the ferrule.

2. The rivet welding device according to claim 1, characterized in that: The rivet button feeding mechanism also includes a rivet button hopper assembly, which includes a storage hopper and a discharge guide groove arranged in parallel. The storage hopper is used to place the rivets to be used, and the discharge guide groove is arranged through. The rivet button picking assembly absorbs the rivets in the storage hopper and transports them to the pushing rod through the discharge guide groove.

3. The rivet welding device according to claim 2, characterized in that: The rivet and buckle material picking assembly includes a lifting and picking cylinder, a translational picking cylinder and a rivet and buckle magnetic suction piece. The translational picking cylinder is connected to the lifting and picking cylinder, and the rivet and buckle magnetic suction piece is installed at one end of the translational picking cylinder away from the lifting and picking cylinder.

4. The rivet welding device according to claim 3, characterized in that: The push rod is provided with a groove structure for clamping the rivet buckle, and the groove structure is used to fix the rivet buckle dropped from the discharge guide groove.

5. The rivet welding device according to claim 4, characterized in that: The rivet button pushing assembly also includes a pushing cylinder and a guide slide rail. The pushing cylinder is transmission-connected to the pushing rod, the guide slide rail is fixedly arranged, and the guide slide rail is guided and matched with the pushing rod.

6. The rivet welding device according to claim 5, characterized in that: The rivet button flip assembly also includes a flip cylinder, a flip rod and a shaft sleeve. The flip cylinder is transmission-connected to the flip rod, the magnet is installed on the flip rod, and the flip cylinder can drive the flip rod to rotate around the shaft sleeve.

7. The rivet welding device according to claim 1, characterized in that: The riveting welding clamp mechanism also includes a welding clamp rotating assembly and a welding clamp transformer assembly. The welding clamp transformer assembly and the welding clamp electrode assembly are both rotatably mounted on the welding clamp rotating assembly.

8. The rivet welding device according to claim 7, characterized in that: The welding clamp electrode assembly also includes a first electrode, a second electrode and a control cylinder. The first electrode and the second electrode are arranged opposite to each other, the rivet fixing structure is fixedly arranged on the first electrode, and the control cylinder is transmission-connected with the first electrode and the second electrode.

9. The rivet welding device according to claim 1, characterized in that: The moving mechanism comprises a truss X-axis assembly, a truss Y-axis assembly and a truss Z-axis assembly, wherein the truss Y-axis assembly is mounted on the truss X-axis assembly, and the truss Z-axis assembly is mounted on the truss Y-axis assembly.

10. The rivet welding device according to claim 1, characterized in that: The ferrule clamping assembly includes a front limit assembly, a left limit assembly, a rear clamping assembly and a right clamping assembly which are arranged in an enclosed manner. The front limit assembly, the left limit assembly, the rear clamping assembly and the right clamping assembly can clamp or loosen the ferrule conveyed from the conveying roller.

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