Automatic nut assembling and welding system

Abstract

The application provides a nut automatic assembly welding system, and relates to the technical field of welding equipment.The nut automatic assembly welding system comprises a nut conveying device and a welding gun.The nut conveying device comprises a shell main body, a nut loading clip, a nut clamping jaw and an electric push rod.A plurality of nuts to be welded are loaded in the nut loading clip.The nut loading clip is detachably connected to the shell main body, and the nut loading clip is used for conveying the nuts to be welded into the shell main body one by one.The nut clamping jaw is arranged in the shell main body.The electric push rod is arranged in the shell main body, and the telescopic end of the electric push rod is connected to the nut clamping jaw.The electric push rod is used for driving the nut clamping jaw to extend out of the shell main body and move towards the chemical container to abut the nut to be welded clamped on the nut clamping jaw against the chemical container.The nut automatic assembly welding system can improve the welding assembly efficiency and precision of the nut compared with the prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding equipment, in particular to a nut automatic assembly welding system. BACKGROUND

[0002] Chemical containers are equipment used for storing, transporting or reacting chemical substances, usually used in chemical, pharmaceutical, food and other industries.

[0003] In the related art, the outer wall of the chemical container often needs to be welded into a row of nuts according to the drawing requirements for fixing the thermal insulation material, which usually adopts manual horizontal and vertical line grid on the outer wall, one worker places the nut at the corresponding position of the grid, and another worker welds it with a welding gun, but there are problems such as low assembly efficiency, high assembly precision requirement for personnel, single welding method and unstable welding quality. SUMMARY

[0004] The present application aims to solve at least one of the above technical problems.

[0005] The present application provides a nut automatic assembly welding system, comprising: a nut conveying device and a welding gun; the nut conveying device comprises a shell body, a nut loading clip, a nut clamping jaw and an electric push rod, the nut loading clip is used to load a plurality of nuts to be welded, the nut loading clip is detachably connected to the shell body, and the nut loading clip is used to convey the nuts to be welded one by one into the shell body, the nut clamping jaw is arranged in the shell body and used to clamp the nuts to be welded, the electric push rod is arranged in the shell body, and the telescopic end of the electric push rod is connected with the nut clamping jaw, the electric push rod is used to drive the nut clamping jaw to extend out of the shell body and move towards the direction close to the chemical container, so that the nut to be welded clamped on the nut clamping jaw is abutted with the chemical container, and the welding gun is used to weld the nut to be welded on the chemical container.

[0006] The nut automatic assembly welding system provided by the present application has the following beneficial effects compared with the prior art, but is not limited to the following:

[0007] The nut automatic assembly and welding system has the advantages that the nut feeding device can be moved to the corresponding welding position of the chemical container by being held by a worker or being installed on a mechanical hand of an industrial robot, the nut feeding device is moved to the corresponding position, the nut feeding device first feeds one nut to be welded into the shell main body, then clamps the nut to be welded by the nut clamping jaw, moves the nut clamping jaw to the chemical container by the electric push rod, and stops until the nut to be welded on the nut clamping jaw abuts against the corresponding welding position of the chemical container, so that the nut to be welded can be welded on the chemical container by the welding gun, the above process is repeated until the welding of all nuts is completed.

[0008] Optionally, the shell main body is a cylindrical structure with an internal cavity, a window is formed at one end of the cylindrical structure, the nut clamping jaw and the electric push rod are arranged in the cylindrical structure, and the electric push rod is used to drive the nut clamping jaw to extend out of the window to the outside of the cylindrical structure.

[0009] Optionally, the nut feeding magazine comprises a magazine shell and an electric screw rod, one end of the magazine shell is open, the opening is in communication with the inside of the cylindrical structure, the electric screw rod is rotationally connected in the magazine shell, the electric screw rod is used to feed the nuts to be welded into the cylindrical structure one by one from the opening.

[0010] Optionally, the nut feeding device further comprises connecting arms and electromagnets, two connecting arms are connected to two outer side walls of the shell main body, two electromagnets are connected to one end of the two connecting arms away from the shell main body, and the two electromagnets are used to be electrified to be adsorbed to the chemical container.

[0011] Optionally, the nut automatic assembling and welding system further comprises a laser projection calibration device, the laser projection calibration device comprises a bracket, a laser emitter and a perforated template, the laser emitter and the perforated template are arranged on the bracket in a spaced manner, the perforated template is uniformly provided with a plurality of light transmission holes, and the laser emitter is used for emitting laser and projecting the laser to the chemical container after the laser passes through the light transmission holes.

[0012] Optionally, the bracket is a portal frame, which comprises two spaced upright columns and an intermediate beam connected between the two upright columns, the laser emitter and the perforated template are arranged on the intermediate beam in a spaced manner, and the lengths of the two upright columns are adjustable.

[0013] Optionally, the nut automatic assembling and welding system further comprises a supporting roller, the supporting roller is used for mounting the chemical container and driving the chemical container to rotate around its own axis.

[0014] Optionally, the nut automatic assembling and welding system further comprises a welding wire conveying mechanism, the welding wire conveying mechanism is arranged on the shell body and used for conveying welding wire to the space between the nut to be welded and the chemical container.

[0015] Optionally, the nut conveying device further comprises a vibrating mechanism, the vibrating mechanism is arranged between the telescopic end of the electric push rod and the nut clamping jaw and used for vibrating the nut clamping jaw.

[0016] Optionally, the part of the nut clamping jaw used for contacting the nut to be welded is provided with a magnet. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 FIG. 1 is a structural schematic view of a nut conveying device according to an embodiment of the present application;

[0018] Figure 2 FIG. 2 is a structural schematic view of a chemical container mounted on a supporting roller according to an embodiment of the present application.

[0019] MARKS OF THE DRAWINGS:

[0020] 1, nut conveying device; 11, shell body; 12, nut loading clamp; 13, nut clamping jaw; 14, connecting arm; 15, electromagnet; 16, welding wire conveying mechanism; 2, laser projection calibration device; 21, bracket; 211, upright column; 212, intermediate beam; 22, laser emitter; 23, perforated template; 3, supporting roller; 100, nut to be welded; 200, chemical container. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below with reference to the drawings.

[0022] In the description of the present application, the orientation or positional relationship indicated by "upper", "lower", "left", "right", "top", "bottom", "front", "back", "inner" and "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application, and does not indicate or imply that the device referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] In the description of the present application, the description of the terms "embodiment", "one embodiment" and "one embodiment" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or embodiment are included in at least one embodiment or embodiment of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or embodiment. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or embodiments in a suitable manner.

[0025] Moreover, the Z-axis in the drawings represents the vertical direction, that is, the up-down position, and the positive direction of the Z-axis, that is, the arrow direction of the Z-axis, represents up, and the negative direction of the Z-axis, that is, the direction opposite to the positive direction of the Z-axis, represents down; the X-axis in the drawings represents the horizontal direction, that is, the left-right position, and the positive direction of the X-axis, that is, the arrow direction of the X-axis, represents right, and the negative direction of the X-axis, that is, the direction opposite to the positive direction of the X-axis, represents left; the Y-axis in the drawings represents the longitudinal direction, that is, the front-rear position, and the positive direction of the Y-axis, that is, the arrow direction of the Y-axis, represents front, and the negative direction of the Y-axis, that is, the direction opposite to the positive direction of the Y-axis, represents back.

[0026] It should be noted that the aforementioned Z-axis, X-axis and Y-axis represent the meaning only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] As Figures 1 to 2As shown, the nut automatic assembly welding system of the embodiment of the present application comprises a nut conveying device 1 and a welding gun; the nut conveying device 1 comprises a shell body 11, a nut loading clip 12, a nut clamping jaw 13 and an electric push rod, the nut loading clip 12 is used for loading a plurality of nuts to be welded 100, the nut loading clip 12 is detachably connected to the shell body 11, and the nut loading clip 12 is used for conveying the nuts to be welded 100 into the shell body 11 one by one, the nut clamping jaw 13 is arranged in the shell body 11 and used for clamping the nuts to be welded 100, the electric push rod is arranged in the shell body 11, and the extension end of the electric push rod is connected with the nut clamping jaw 13, the electric push rod is used for driving the nut clamping jaw 13 to extend out of the shell body 11 and move towards the chemical container 200 to abut the nut to be welded 100 clamped on the nut clamping jaw 13 against the chemical container 200, and the welding gun is used for welding the nut to be welded 100 to the chemical container 200.

[0028] In the embodiment, the accompanying drawings are combined Figure 1 and the accompanying drawings are combined Figure 2 As shown, when in use, a plurality of nuts to be welded 100 can be loaded into the nut loading clip 12 of the nut conveying device 1, and then the nut loading clip 12 is installed on the shell body 11, the nut conveying device 1 can be held by a worker or installed on the mechanical hand of an industrial robot to move to the corresponding welding position of the chemical container 200, after the nut conveying device 1 is moved to the corresponding position, the nut loading clip 12 first conveys a nut to be welded 100 into the shell body 11, then clamps the nut to be welded 100 through the nut clamping jaw 13, and then moves the nut clamping jaw 13 towards the chemical container 200 through the electric push rod until the nut to be welded 100 on the nut clamping jaw 13 abuts against the corresponding welding position of the chemical container 200, and then the nut to be welded 100 is welded on the chemical container 200 through the welding gun, so as to complete the welding work of one nut, and the above process can be repeated at the next welding position of the chemical container 200 until the welding work of all nuts is completed. Compared with the prior art, the nut automatic assembly welding system of the present application can complete the batch feeding of nuts through the nut loading clip 12, and the worker does not need to manually take and place the nuts many times, the nut to be welded 100 can be automatically grabbed through the nut clamping jaw 13, and the nut clamping jaw 13 can be pushed to the corresponding welding position of the chemical container 200 through the electric push rod, so that the automation degree is high, the nut welding assembly precision and the assembly efficiency are improved, and the electric push rod can apply a large pressing force to the nut, which helps to improve the welding quality.

[0029] Optionally, the shell body 11 is a cylindrical structure with an internal cavity, and a window is formed at one end of the cylindrical structure, the nut clamping jaw 13 and the electric push rod are arranged in the cylindrical structure, and the electric push rod is used to drive the nut clamping jaw 13 to extend out of the window to the outside of the cylindrical structure.

[0030] In the embodiment, the shell body 11 is a cylindrical structure with an internal cavity, and a window is formed at one end of the cylindrical structure in the length direction (the Y-axis direction in the figure) of the cylindrical structure. Figure 1 The electric push rod is arranged in the internal cavity of the cylindrical structure, and the electric push rod is used to drive the nut clamping jaw 13 to extend out of the window to the outside of the cylindrical structure, so that the nut to be welded 100 on the nut clamping jaw 13 is abutted against the corresponding welding position of the chemical container 200. Figure 1 The shell body 11 can protect the nut clamping jaw 13 and the electric push rod.

[0031] Optionally, the nut feeding device 1 further comprises a connecting arm 14 and an electromagnet 15, two connecting arms 14 are connected to two outer side walls of the shell body 11 respectively, two electromagnets 15 are connected to one ends of the two connecting arms 14 away from the shell body 11 respectively, and the two electromagnets 15 are used to be electrified to be adsorbed to the chemical container 200 respectively.

[0032] In the embodiment, the shell body 11 is a cylindrical structure with an internal cavity, and a window is formed at one end of the cylindrical structure in the length direction (the Y-axis direction in the figure) of the cylindrical structure. Figure 1 The electric push rod is arranged in the internal cavity of the cylindrical structure, and the electric push rod is used to drive the nut clamping jaw 13 to extend out of the window to the outside of the cylindrical structure, so that the nut to be welded 100 on the nut clamping jaw 13 is abutted against the corresponding welding position of the chemical container 200. Figure 1 The shell body 11 can protect the nut clamping jaw 13 and the electric push rod.

[0033] Optionally, the nut feeding device 1 further comprises a connecting arm 14 and an electromagnet 15, two connecting arms 14 are connected to two outer side walls of the shell body 11 respectively, two electromagnets 15 are connected to one ends of the two connecting arms 14 away from the shell body 11 respectively, and the two electromagnets 15 are used to be electrified to be adsorbed to the chemical container 200 respectively.

[0034] In the embodiment, the shell body 11 is a cylindrical structure with an internal cavity, and a window is formed at one end of the cylindrical structure in the length direction (the Y-axis direction in the figure) of the cylindrical structure. Figure 1As shown, the left and right side walls (attached Figure 1 The two connecting arms 14 are respectively connected to the left and right side walls of the shell body 11 in the X-axis direction, and the ends of the two connecting arms 14 away from the shell body 11 are respectively provided with electromagnets 15, that is, the ends of the two connecting arms 14 for contacting the chemical container 200 are respectively provided with electromagnets 15. After the nut conveying device 1 is moved to the corresponding welding position of the chemical container 200, the electromagnets 15 can be energized to be adsorbed on the chemical container 200, and after the welding is completed, the nut conveying device 1 can be separated from the chemical container 200 to replace the next welding position.

[0035] Optionally, the nut automatic assembly and welding system further comprises a laser projection calibration device 2, the laser projection calibration device 2 comprises a bracket 21, a laser emitter 22 and a hole template 23, the laser emitter 22 and the hole template 23 are spaced apart on the bracket 21, and the hole template 23 is uniformly distributed with a plurality of light transmission holes, and the laser emitter 22 is used to emit laser and project on the chemical container 200 after transmitting through the light transmission holes.

[0036] In this embodiment, combined with the attached Figure 1 As shown, the laser emitter 22 and the hole template 23 are spaced apart on the bracket 21, wherein the hole template 23 is uniformly distributed with a plurality of light transmission holes, and the laser emitted by the laser emitter 22 can be projected on the chemical container 200 after transmitting through the light transmission holes, and uniform arrangement of equidistant light spots is formed on the corresponding position, and the nuts are welded at the light spot position to realize the welding of a row of nuts. The uniform arrangement of equidistant light spots replaces the original manual line marking operation, and the efficiency is improved.

[0037] Optionally, the bracket 21 is a door-shaped frame, which comprises two spaced-apart upright columns 211 and an intermediate beam 212 connected between the two upright columns 211, and the laser emitter 22 and the hole template 23 are spaced apart on the intermediate beam 212, and the lengths of the two upright columns 211 are adjustable.

[0038] In this embodiment, combined with the attached Figure 2 As shown, the bracket 21 is a door-shaped frame, which comprises two spaced-apart upright columns 211 and an intermediate beam 212 connected between the two upright columns 211, and the laser emitter 22 and the hole template 23 are spaced apart on the intermediate beam 212, and the lengths of the upright columns 211 can be adjusted according to the actual working conditions to adapt to different working conditions.

[0039] Optionally, the nut automatic assembly and welding system further comprises a supporting roller 3, and the supporting roller 3 is used to mount the chemical container 200 and drive the chemical container 200 to rotate around its own axis.

[0040] In the embodiment, combined with the accompanying drawings Figure 2 As shown in the drawings, the chemical container 200 can be installed on two spaced apart supporting rollers 3, and the rotation of the two supporting rollers 3 can drive the chemical container 200 to rotate around its own axis. The supporting rollers 3 can be controlled by an electrical control box to control the operation of the device driving part. The electrical control box can be provided with a PLC and a touch screen, and can be linked with the supporting rollers 3 to automatically stop after the chemical container 200 rotates at a fixed distance. The electrical control box can also be combined with the laser projection calibration device 2 to realize uniform projection of the chemical container 200.

[0041] Optionally, the nut automatic assembly and welding system further comprises a welding wire conveying mechanism 16 arranged on the shell body 11 and used for conveying welding wire between the nut to be welded 100 and the chemical container 200.

[0042] In the embodiment, combined with the accompanying drawings Figure 2 Figure 1 As shown in the drawings, the welding wire conveying mechanism 16 is installed on the shell body 11, and the welding wire conveying mechanism 16 is used for extending the welding wire between the nut to be welded 100 and the chemical container 200 to form a small-area conductive channel, thereby improving the current density of the conductive channel under a certain welding current and ensuring stable arc striking.

[0043] Optionally, the nut conveying device 1 further comprises a vibration mechanism arranged between the telescopic end of the electric push rod and the nut clamping jaw 13 and used for vibrating the nut clamping jaw 13.

[0044] In the embodiment, a vibration mechanism is arranged between the telescopic end of the electric push rod and the nut clamping jaw 13. The vibration mechanism can be a small-sized power frequency electromagnetic vibration device. The vibration can make the nut to be welded 100 and the chemical container 200 constantly have a gap and strike an arc, thereby improving the welding quality.

[0045] Optionally, the part of the nut clamping jaw 13 used for contacting the nut to be welded 100 is provided with a magnet.

[0046] In the embodiment, the nut clamping jaw 13 can be a clamping jaw structure made of high-conductivity and high-wear-resistance red copper material. The part of the nut clamping jaw 13 used for contacting the nut to be welded 100 is provided with a magnet, which can be an electromagnet. The magnet is used for attracting the nut to be welded 100 by electrification before welding, and the attraction force can be eliminated by de-energization after welding.

[0047] The terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include at least one of the features.

[0048] Although the present application has been disclosed with reference to the above embodiments, the scope of the present application is not limited to the above. Various changes and modifications can be made to the present application without departing from the spirit and scope thereof, and such changes and modifications are intended to fall within the scope of the present application.

Claims

1. A nut auto-assembly welding system characterized by, Include: Nut conveying device (1) and welding gun; The nut conveying device (1) includes shell body (11), nut loading clip (12), nut clamp jaw (13) and electric push rod, the nut loading clip (12) is used to load multiple nuts to be welded (100) in, the nut loading clip (12) is detachably connected to the shell body (11), and the nut loading clip (12) is used to convey the nuts to be welded (100) one by one into the shell body (11), the nut clamp jaw (13) is arranged in the shell body (11), for clamping the nuts to be welded (100), the electric push rod is arranged in the shell body (11), and the telescopic end of the electric push rod is connected with the nut clamp jaw (13), the electric push rod is used to drive the nut clamp jaw (13) to extend out of the shell body (11) and move towards the direction close to the chemical container (200), so that the nuts to be welded (100) clamped on the nut clamp jaw (13) are abutted with the chemical container (200), and the welding gun is used to weld the nuts to be welded (100) on the chemical container (200). The shell body (11) is a cylindrical structure with an internal cavity, and a window is formed at one end of the cylindrical structure, the nut clamp jaw (13) and the electric push rod are arranged in the cylindrical structure, and the electric push rod is used to drive the nut clamp jaw (13) to extend out of the window to the outside of the cylindrical structure. The nut loading clip (12) includes a clip shell and an electric screw, one end of the clip shell has an open mouth, and the open mouth is in communication with the inside of the cylindrical structure, the electric screw is rotatably connected in the clip shell, the electric screw is used to load multiple nuts to be welded (100) thereon, and the electric screw is used to convey the nuts to be welded (100) one by one from the open mouth into the cylindrical structure. The nut automatic assembly and welding system further includes a laser projection calibration device (2), the laser projection calibration device (2) includes a bracket (21), a laser emitter (22) and a perforated template (23), the laser emitter (22) and the perforated template (23) are arranged on the bracket (21) with an interval, a plurality of light transmission holes are uniformly distributed on the perforated template (23), and the laser emitter (22) is used to emit laser and project on the chemical container (200) after transmitting through the light transmission holes.

2. The nut auto-assembly welding system according to claim 1, wherein, The nut conveying device (1) further includes connecting arms (14) and electromagnets (15), two connecting arms (14) are connected to two outer side walls of the shell body (11) respectively, two electromagnets (15) are connected to one end of two connecting arms (14) away from the shell body (11) respectively, and two electromagnets (15) are used to be electrified to be adsorbed on the chemical container (200).

3. The nut auto-assembly welding system of claim 1, wherein, The support (21) is a door-shaped frame, which comprises two spaced upright columns (211) and an intermediate beam (212) connected between the two upright columns (211), and the laser emitter (22) and the perforated template (23) are spaced on the intermediate beam (212), and the length of the two upright columns (211) can be adjusted.

4. The nut auto-assembly welding system of claim 1, wherein, The device further comprises a supporting roller (3) for mounting the chemical container (200) and rotating the chemical container (200) around its own axis.

5. The nut auto-assembly welding system of claim 1, wherein, The device further comprises a welding wire conveying mechanism (16) arranged on the shell body (11) and used for conveying welding wire between the nut (100) to be welded and the chemical container (200).

6. The nut auto-assembly welding system of claim 1, wherein, The nut conveying device (1) further comprises a vibrating mechanism arranged between the telescopic end of the electric push rod and the nut clamping jaw (13) and used for vibrating the nut clamping jaw (13).

7. The nut auto-assembly welding system of claim 1, wherein The part of the nut clamping jaw (13) used for contacting the nut (100) to be welded is provided with a magnet.

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