CN217253855U

CN217253855U - Automatic linear welding device for tank body

Info

Publication number: CN217253855U
Application number: CN202220238796.4U
Authority: CN
Inventors: 李郎乾
Original assignee: Guangxi Qianyue Gas Cylinder Manufacturing Co ltd
Current assignee: Guangxi Qianyue Enterprise Management Service Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-08-23
Anticipated expiration: 2032-01-28

Abstract

The utility model relates to a jar body welding technology field specifically discloses a jar body automatic linear welding device, include: the automatic feeding device comprises a workbench, a rotating assembly, a drum assembly, an unloading roller way, a feeding and discharging device, a guide assembly, a protection device, a multi-shaft welding robot, a water cooling jacket, a laser range finder, a controller, a gun washing machine and a protective gas tank. The utility model discloses a be provided with laser range finder on the welder head of multiaxis welding robot, can carry out the multiple spot sampling to the periphery of the jar body before carrying out linear welding to the jar body to confirm the actual position coordinate and the shape tolerance of its welding seam, the welding gun of rethread multiaxis robot carries out self-adaptation linear welding, has eliminated the influence of repeated positioning error to the welding seam precision; by arranging the feeding and discharging device and the material guide assembly, feeding and discharging can be carried out quickly, so that the production rhythm is improved; the protective sleeve of the butt welding gun can be cooled in real time by installing the water cooling sleeve on the protective sleeve, and the service life of the protective sleeve is prolonged.

Description

Automatic linear welding device for tank body

Technical Field

The utility model belongs to the technical field of jar body welding, in particular to jar body automatic linear welding device.

Background

The high-pressure gas storage tank is a common pressure vessel, the tank body of the high-pressure gas storage tank is generally subjected to butt welding on two shell bodies of the tank body by adopting arc welding, the quality requirement of a welding seam is extremely high, and particularly the thickness and the uniformity of the welding seam in the circumferential direction of the high-pressure gas storage tank need to be strictly controlled.

Because two parts of shells of the tank body part need to be subjected to spot welding before linear welding, certain form and position errors exist in the spot welding process, and positioning errors also exist in the positioning process, so that certain deviation exists in the position of a welding line due to individual difference in the normal welding process, and the consistency of the quality of the welding line during welding is difficult to guarantee. Welded parts are inconvenient to feed and discharge in the feeding and discharging process, manual intervention is needed, more feeding and discharging time can be wasted, and the production rhythm is influenced. After a protective sleeve in a welding gun head of the multi-axis welding robot is used for a long time, the temperature is too high, deformation or aging of materials is easily caused, and therefore the service life of the welding gun head is influenced, and the stability of welding quality is also influenced.

The above background disclosure is only provided as an aid to understanding the inventive concept and solutions of the present invention, and it does not necessarily belong to the prior art of this patent application, and it should not be used to evaluate the novelty and inventive step of this application without explicit evidence to show that the above contents are already disclosed at the filing date of this patent application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic linear welding set of jar body to overcome current jar body at linear welded in-process because the not high quality uniformity who leads to the welding seam of positioning accuracy is not good the defect of accuse, and go up the unloading inconvenient, the production beat is slow, welder's the fast defect of protective sheath ageing speed.

In order to achieve the above object, the utility model provides a jar body automatic linear welding device, include: the device comprises a workbench, wherein a first guide rail is arranged on the workbench, and second guide rails perpendicular to the first guide rail are respectively arranged on two sides of the first guide rail; the rotating assembly comprises a rotating seat and a drum assembly, the rotating seat is slidably arranged on the second guide rail, the drum assembly is respectively and rotatably arranged on one side opposite to the two rotating seats, and the axes of the two drum assemblies are overlapped; the discharging roller way is arranged on one side of the workbench, and the conveying direction of the discharging roller way is vertical to the first guide rail; the feeding and discharging device is arranged on the first guide rail in a sliding mode and comprises a feeding assembly and a discharging assembly, the feeding assembly comprises a lifting feeding tool, an inwards-concave positioning groove is formed in the feeding tool, a clamping device is arranged on one side of the positioning groove, the discharging assembly is located between the feeding assembly and the discharging roller way, and the discharging assembly comprises a lifting electromagnet assembly; the material guide assembly is arranged between the feeding and discharging device and the discharging roller way and comprises two material guide columns, each material guide column is respectively arranged on two sides of the first guide rail, and a material guide rail is arranged between each material guide column and the discharging roller way; the protection device comprises a protection cover and a first lifting part, the protection cover is connected with any one of the rotating seats through the first lifting part, the first lifting part can drive the protection cover to lift, the upper end and the lower end of the protection cover are respectively provided with a first cover opening and a second cover opening which are communicated with each other, one side of the protection cover is provided with a maintenance opening, the maintenance opening is provided with a protection cover which can be opened and closed, and the protection cover is provided with an observation opening corresponding to the maintenance opening; the multi-shaft welding robot comprises a multi-shaft welding arm and a welding gun head, wherein one end of the multi-shaft welding arm is rotatably arranged on the workbench, the welding gun head is arranged at the other end of the multi-shaft welding arm, a protective sleeve and a laser range finder are arranged on the welding gun head, and a water cooling sleeve is sleeved on the protective sleeve; the controller and the gun washing machine are arranged on the other side of the workbench at the same time, and the gun washing machine is close to the controller.

Preferably, in the above technical solution, the protection device further comprises a protection gas tank, and the protection gas tank is communicated with the inside of the protection sleeve.

Preferably, in the above technical solution, the rotating assembly further includes a first driving portion, the first driving portion connects the rotating base and the workbench to each other, and the first driving portion can drive the rotating base to slide along the second guide rail.

Preferably, in the above aspect, the first driving unit includes: the first air cylinder is fixedly arranged in the rotating seat, and the movable end of the first air cylinder extends to two ends of the workbench; the connecting block is fixedly arranged at the end part of the workbench; the connecting sleeve is rotatably arranged on the connecting block, and the connecting sleeve is fixedly sleeved on the movable end of the first cylinder.

Preferably, in the above technical solution, the rotating assembly further includes a driving assembly, and the driving assembly includes: the driving shaft is rotatably arranged on the rotating seat, and the end part of the driving shaft is coaxially and fixedly connected with the end part of the drum assembly; the gear box is arranged in the rotating seat, the output end of the gear box is connected with the driving shaft, and the input end of the gear box is provided with a rotating motor.

Preferably, in the above technical solution, the drum assembly includes: one end of the first sleeve is coaxially connected with the end part of the driving shaft in a detachable mode, and the other end of the first sleeve is provided with a first sleeve opening; and one end of the second sleeve is detachably connected with the first sleeve opening, and the other end of the second sleeve is provided with a second sleeve opening.

Preferably, in the technical scheme, the feeding and discharging device further comprises a movable tray, the movable tray is connected with the workbench through a second cylinder, the second cylinder can drive the movable tray to slide along the first guide rail, the movable tray is further provided with a first hydraulic cylinder and a second hydraulic cylinder which are perpendicular to each other, the movable end of the first hydraulic cylinder is fixedly connected with the feeding tool, and the movable end of the second hydraulic cylinder is fixedly connected with the electromagnet assembly.

Preferably, among the above-mentioned technical scheme, clamping device still includes the third cylinder, third cylinder fixed mounting is on the material loading frock, the expansion end of third cylinder can to the direction of constant head tank is flexible, the clamp splice is installed to the expansion end of third cylinder, install a plurality of on the clamp splice and glue the head, glue the head orientation the constant head tank, the lateral part of gluing the head is equipped with certain cone angle, it is located to glue the head the top of the axis of constant head tank.

Preferably, among the above-mentioned technical scheme, the electromagnetism subassembly includes the magnetism seat, be equipped with the magnetic head on the magnetism seat, the magnetic head arrives distance between the magnetism seat is adjustable, the magnetic head includes the shell, but be equipped with the magnetic core that elasticity floated in the shell, set up the first bayonet socket of "V" shape on the shell, set up the second bayonet socket of "V" shape on the magnetic core, the shape of second bayonet socket with the shape of first bayonet socket is unanimous and is higher than first bayonet socket, the groove of stepping down has been seted up in the centre of second bayonet socket the magnetic core with be equipped with the coil between the shell, the coil with magnetism seat electric connection.

Preferably, in the above technical scheme, an inner cavity is arranged in the water-cooling jacket, a water inlet pipe and a water outlet pipe are arranged on the water-cooling jacket, and the water inlet pipe and the water outlet pipe are simultaneously communicated with the inner cavity; the end part of the laser range finder is provided with a laser emitting head and a laser receiving head, and the circumference of the emitting head and the laser receiving head is provided with a protective coaming.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model provides a jar body automatic linear welding device is through being provided with laser range finder on the welder head of multiaxis welding robot, can carry out the multiple spot sampling to the periphery of jar body before carrying out linear welding to the jar body to confirm the actual position coordinate and the shape tolerance of its welding seam, then carry out self-adaptation linear welding through the welding gun of multiaxis robot again, thereby eliminated the influence of repeated positioning error to the welding seam precision; by arranging the feeding and discharging device and the material guide assembly, feeding and discharging can be carried out quickly, so that the production rhythm is improved; the protective sleeve of the butt welding gun can be cooled in real time by installing the water cooling sleeve on the protective sleeve, so that the service life of the protective sleeve is prolonged.

2. The utility model provides a first drive division and drive assembly in the runner assembly among the automatic linear welding set of jar body all set up in rotating the seat, not only can protect cylinder and rotate the motor and do not receive external environment's influence, prolong its life, but also can promote the holistic aesthetic property of device.

3. The utility model provides a be provided with convex constant head tank on the material loading frock in the material loading subassembly, be provided with clamping device in one side of constant head tank, the last conical head that glues that is provided with of clamping device glues, glues the top that the head is located the axis of constant head tank, when clamping device presss from both sides tightly the part, a slant decurrent power can be applyed to the lateral part of part to make jar body form a three point support's structure, make the location of its jar body part accurate more stable.

4. The utility model discloses a V-arrangement first bayonet socket is seted up on the shell of electromagnetism subassembly, the second bayonet socket of V-arrangement is seted up on the magnetic core that the elasticity floated, can attract the lateral part of part and the bayonet structure just can carry out the block with the curved outer wall of jar body after the welding finishes, makes the gripping nature of electromagnet subassembly more firm; in addition, the abdicating groove in the magnetic core can abdicate the bulge of the welding seam, so that the stability of the electromagnetic assembly in the process of absorbing the part is further improved; the magnetic core that elasticity floated can better unload when the shoes material, eliminates jar body because of the produced adverse effect of magnetization to its when unloading.

5. The utility model provides a sleeve subassembly comprises the first sleeve of detachable and second sleeve each other, and first sleeve can carry out the block location to the steel ring of the bottom of the jar body, and the second sleeve can carry out the block location to the lateral wall of the jar body to can make up the change conveniently according to different jar body sizes.

6. The utility model provides a protection device can protect the work area of butt welder at the welded in-process, prevents that the spark among the welding process from splashing to the outside to can in time inspect and maintain the welding gun head when shutting down the trouble through being provided with the maintenance mouth, can observe the condition of welding department in real time through the viewing aperture.

7. The utility model provides an unloader makes electromagnet assembly carry the part and removes to the middle of the guide subassembly when unloading, then makes electromagnet assembly descend, through the guide rail on the guide subassembly with the good jar body automatic roll of welding to the roll table of unloading on to realized automatic discharge, saved the manpower, promoted the production beat.

8. The utility model provides a controller and rifle bolt washing machine all are located the front side of device, make things convenient for operating personnel to operate controller and rifle bolt washing machine together.

Drawings

Fig. 1 is a structural diagram of the automatic linear welding device for the tank body of the present invention.

Fig. 2 is a structural diagram of a workbench, a material guiding assembly and a discharging roller way.

Fig. 3 is a partial cutaway view of the rotating assembly.

Fig. 4 is a structural view of the loading and unloading apparatus.

Fig. 5 is a structural view of the protection device.

Fig. 6 is a partial structural view at the tip of the torch.

Description of the main reference numerals:

1-a workbench, 11-a first guide rail, 12-a second guide rail;

2-a rotating assembly, 21-a rotating seat, 22-a barrel assembly, 221-a first sleeve, 222-a first sleeve opening, 223-a second sleeve, 224-a second sleeve opening, 23-a first driving part, 231-a first cylinder, 232-a connecting block, 233-a connecting sleeve, 24-a driving assembly, 241-a driving shaft, 242-a gear box and 243-a rotating motor;

3-a discharging roller bed;

4-a loading and unloading device, 41-a loading assembly, 411-a loading tool, 412-a positioning groove, 413-a clamping device, 414-a third air cylinder, 415-a clamping block, 416-a glue head, 42-a blanking assembly, 421-an electromagnet assembly, 422-a magnetic base, 423-a magnetic head, 424-a shell, 425-a magnetic core, 426-a first bayonet, 427-a second bayonet, 428-a coil, 429-a abdicating groove, 43-a movable tray, 44-a second air cylinder, 45-a first hydraulic cylinder and 46-a second hydraulic cylinder;

5-a material guiding component, 51-a material guiding column and 52-a material guiding guide rail;

6-protection device, 61-protection cover, 62-first lifting part, 63-first cover opening, 64-second cover opening, 65-maintenance opening, 66-protection cover, 67-observation opening;

7-a multi-axis welding robot, 71-a multi-axis welding arm, 72-a welding gun head, 73-a protective sleeve, 74-a laser range finder, 741-a laser emitting head, 742-a laser receiving head, 743-a protective coaming, 75-a water cooling sleeve, 751-a water inlet pipe and 752-a water outlet pipe;

8-a controller;

9-gun washing machine;

10-protection of the gas cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top surface", "bottom surface", "inner", "outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. The terms "first", "second" and "third", if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying relative importance or implying a number of indicated technical features or a precedence of indicated technical features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Next, an embodiment of the present invention will be described with reference to the overall structure thereof.

As shown in fig. 1 to 6, the automatic linear welding apparatus for a can body in this embodiment includes: the working table 1, the first guide rail 11, the second guide rail 12, the rotating assembly 2, the rotating base 21, the rotating cylinder assembly 22, the first sleeve 221, the first sleeve opening 222, the second sleeve 223, the second sleeve opening 224, the first driving part 23, the first air cylinder 231, the connecting block 232, the connecting sleeve 233, the driving assembly 24, the driving shaft 241, the gear box 242, the rotating motor 243, the discharging roller table 3, the loading and unloading device 4, the loading assembly 41, the loading tool 411, the positioning groove 412, the clamping device 413, the third air cylinder 414, the clamping block 415, the rubber head 416, the unloading assembly 42, the electromagnet assembly 421, the magnetic base 422, the magnetic head 423, the shell 424, the magnetic core, the first bayonet 426, the second bayonet 427, the coil 428, the avoiding groove 429, the moving tray 43, the second air cylinder 44, the first hydraulic cylinder 45, the second hydraulic cylinder 46, the material guiding assembly 5, the material guiding column 51, the material guiding guide rail 52, the protecting device 6, the protecting cover 61, the device comprises a first lifting part 62, a first cover opening 63, a second cover opening 64, a maintenance opening 65, a protective cover 66, a viewing opening 67, a multi-axis welding robot 7, a multi-axis welding arm 71, a welding gun head 72, a protective sleeve 73, a laser range finder 74, a laser emitting head 741, a laser receiving head 742, a protective coaming 743, a water cooling sleeve 75, a water inlet pipe 751, a water outlet pipe 752, a controller 8, a gun washing machine 9 and a protective gas tank 10.

The workbench 1 is fixed on the ground, a first guide rail 11 is arranged on the workbench 1, a group of second guide rails 12 are respectively arranged on two sides of the first guide rail 11, the second guide rails 12 are perpendicular to the first guide rail 11, and the first guide rail 11 extends from the rear side of the workbench 1 to the front side thereof; the rotating assembly 2 includes: a rotary base 21, a drum assembly 22, a first driving part 23 and a driving assembly 24; the interior of the rotating base 21 is a hollow structure, which is installed on the second guide rail 12 and can slide along the second guide rail 12, and the first driving part 23 includes: a first cylinder 231, a connecting block 232 and a connecting sleeve 233; the first cylinder 231 is fixedly installed in the rotating seat 21, the movable end of the first cylinder 231 extends to two ends of the workbench 1, and the connecting block 232 is fixedly installed at the end of the workbench 1 and is perpendicular to the top surface of the workbench 1; the connecting sleeve 233 is rotatably mounted on the connecting block 232, while the connecting sleeve 233 is sleeved on the outer circumference of the movable end of the first cylinder 231 through a sleeve hole and fixed with it, the sleeve hole of the connecting sleeve 233 is perpendicular to its rotation axis; the driving assembly 24 is mounted inside the rotating seat 21, and includes: a drive shaft 241, a gear box 242, and a rotating motor 243; the driving shaft 241 is installed on the rotating seats 21 through a bearing seat and can rotate, one end of the driving shaft 241 extends outwards from the opposite ends of the two rotating seats 21 and is coaxially and fixedly connected with the end part of the barrel assembly 22, the gear box 242 is fixedly installed in the rotating seats 21, the output end of the gear box 242 is connected with the driving shaft 241, the input end of the gear box 242 is connected with the output end of the rotating motor 243, and the input end and the output end of the gear box 242 can synchronously rotate; the drum assembly 22 comprises a first sleeve 221 and a second sleeve 223; one end of the first sleeve 221 is coaxially connected with the end of the driving shaft 241 in a detachable manner through a bolt, and the other end of the first sleeve 221 is provided with a first sleeve opening 222; one end of the second sleeve 223 is detachably connected to the first socket 222 by a bolt, and the other end of the second sleeve 223 is opened with a second socket 224.

The discharging roller way 3 is arranged at the rear side of the workbench 1, the conveying direction of the discharging roller way 3 is vertical to the first guide rail 11, and a plurality of rollers are arranged at intervals along the conveying direction of the discharging roller way 3.

The loading and unloading device 4 comprises: the feeding assembly 41, the electromagnet assembly 421, the moving tray 43, the second air cylinder 44, the first hydraulic cylinder 45 and the second hydraulic cylinder 46; the movable tray 43 is arranged on the first guide rail 11, the second air cylinder 44 is arranged between the movable tray 43 and the rear side of the workbench 1, the second air cylinder 44 can drive the movable tray 43 to slide along the first guide rail 11, and the movable tray 43 is provided with a first hydraulic cylinder 45 and a second hydraulic cylinder 46 which are vertical; unloading subassembly 42 is located material loading subassembly 41 and unloads between the roll table 3, and material loading subassembly 41 includes material loading frock 411, offers inside sunken semicircular constant head tank 412 on the material loading frock 411, and the both ends of constant head tank 412 extend outwards from the both sides of material loading frock 411 respectively, and clamping device 413 is installed to one side of constant head tank 412, and the expansion end and the material loading frock 411 fixed connection of first pneumatic cylinder 45, clamping device 413 include: a third cylinder 414, a clamping block 415 and a glue head 416; the third cylinder 414 is fixedly installed on the feeding tool 411, the movable end of the third cylinder 414 can extend and retract towards the direction of the positioning groove 412, the movable end of the third cylinder 414 is provided with a clamping block 415, two rubber heads 416 made of rubber materials are installed on the clamping block 415, the end parts of the rubber heads 416 face the positioning groove 412, the side parts of the rubber heads 416 are provided with a certain taper angle, so that the diameter of the root parts of the rubber heads 416 is larger than that of the end parts of the rubber heads, and the two rubber heads 416 are located above the axis of the positioning groove 412; the electromagnetic assembly 421 includes: a magnetic pedestal 422 and a magnetic head 423; the movable end of the second hydraulic cylinder 46 is fixedly connected with the magnetic base 422, the magnetic head 423 is installed on the magnetic base 422 through four studs and nuts, the distance between the magnetic head 423 and the magnetic seat 422 can be changed by adjusting the distance of the nut on the stud, the magnetic head 423 comprises an outer shell 424, the top of the outer shell 424 is provided with an opening, a magnetic core 425 capable of elastically floating up and down is installed in the outer shell 424, the outer shell 424 is provided with a V-shaped first bayonet 426, the magnetic core 425 is provided with a V-shaped second bayonet 427, the shape of the second bayonet 427 is consistent with the shape of the first bayonet 426 and is higher than the first bayonet 426, the middle of the second bayonet 426 is provided with a relief groove 429, the direction of the receding groove 429 is perpendicular to the direction of the second bayonet 426, a coil 428 is installed between the magnetic core 425 and the outer shell 424, the coil 428 is electrically connected with the magnetic seat 422, and the blanking assembly 42 comprises a liftable electromagnet assembly 421.

The material guiding assembly 5 is installed between the material loading and unloading device 4 and the material unloading roller way 3, the material guiding assembly 5 includes two material guiding columns 51 which are vertically fixedly welded on the top surface of the workbench 1, each material guiding column 51 is respectively located on two sides of the first guide rail 11, a material guiding guide rail 52 is installed between the top end of the material guiding column 51 and the material unloading roller way 3, and the material guiding guide rail 52 is gradually inclined downwards from the material guiding columns 51 to the direction of the material unloading roller way 3.

The protection device 6 includes a protection cover 61 and a first lift portion 62; the protection cover 61 is connected with any one of the rotating seats 21 through the first lifting part 62, the first lifting part 62 is an air cylinder or a hydraulic cylinder and can drive the protection cover 61 to lift, the upper end and the lower end of the protection cover 61 are respectively provided with a first cover opening 63 and a second cover opening 64 which are communicated with each other, one side of the protection cover 61 is provided with a maintenance opening 65, the maintenance opening 65 is provided with a protective cover 66 which can be opened and closed, one side of the protection cover 66 is hinged with one side of the maintenance opening 65, the protective cover 66 is provided with an observation opening 67 corresponding to the maintenance opening 65, and a shading glass sheet is arranged in the observation opening 67.

The multi-axis welding robot 7 comprises a multi-axis welding arm 71 and a welding gun head 72, one end of the multi-axis welding arm 71 is rotatably mounted on the workbench 1, the welding gun head 72 is mounted at the other end of the multi-axis welding arm 71 and can rotate, a protective sleeve 73 is mounted on the welding gun head 72, a laser range finder 74 is fixedly mounted on one side of the welding gun head 72, a water cooling jacket 75 is sleeved on the protective sleeve 73, an annular inner cavity is formed in the water cooling jacket 75, a water inlet pipe 751 and a water outlet pipe 752 are mounted on the water cooling jacket 75, the water inlet pipe 751 and the water outlet pipe 752 are simultaneously communicated with the inner cavity, and circulating cooling water is provided by an external water pump; the laser range finder 74 is provided with a laser emission head 741 and a laser receiving head 742 at the end, a protection coaming 743 is arranged around the emission head 741 and the laser receiving head 742, the workbench 1 is further provided with a controller 8, a gun washer 9 and a protection gas tank 10, the protection gas tank 10 is communicated with the inside of the protection sleeve 73, the controller 8 and the gun washer 9 are simultaneously arranged on the outer side of the workbench 1, and the gun washer 9 and the controller 8 are close to each other.

Next, the working process of the automatic linear welding device for tank body in this embodiment will be described in detail to make the skilled person understand the present invention:

feeding: placing the spot-welded can body in the positioning groove 412, starting the clamping device 413 to clamp the can body, driving the feeding tool 411 to lift upwards by the first hydraulic cylinder 45, moving the feeding assembly 41 to enable two ends of the can body to be coaxially aligned with the mouth of the drum assembly 22 respectively, starting the first driving part 23 to enable the two rotating seats 21 to be close to each other, enabling the two drum assemblies 22 to be buckled at two ends of the can body respectively to position the two rotating seats;

protection: the protective cover 61 in the protective device 6 is driven by the first lifting part 62 to fall, and is positioned above the tank body and close to the side part of the tank body;

and (3) detection: the welding gun head 72 of the multi-axis welding robot 7 automatically moves to the position above the retaining cover 61 and extends into the protective cover from the first cover opening 63, then the laser range finder 74 measures the distance between the welding seam and the welding seam, at the moment, the drum assembly 22 drives the tank body to rotate, the laser range finder 74 is enabled to respectively collect 7 detection points in the circumferential direction of the welding seam, and the roundness of the welding seam and the position of the circle center are fitted according to the distance difference of the detection points;

linear welding: starting the welding gun head and simultaneously starting an external water circulation system to generate circulating cooling water in the water cooling jacket 75;

washing the gun: after welding, the multi-axis welding arm 71 moves the welding gun head 72 to the gun washing machine 9, and the welding gun head 72 is cleaned;

blanking: the blanking component 42 moves to the lower part of the tank body, the second hydraulic cylinder 46 drives the blanking component to lift upwards, the electromagnet component 421 is powered on to attract the periphery of the tank body, the rotary seat 21 moves towards the two ends of the workbench 1 to separate the rotary cylinder component 22 from the two ends of the tank body, the blanking component 42 carries the tank body to move to a position between the material guide components 5, then the second hydraulic cylinder 46 drives the blanking component 42 to descend and simultaneously turns off the electromagnet component 421, so that the two ends of the tank body are respectively abutted against the two material guide rails 52, and the tank body slides to the discharging roller way 3 along the material guide rails 52.

In summary, in the automatic linear welding device for a tank body in the embodiment, the laser distance meter is arranged on the welding gun head of the multi-axis welding robot, so that the periphery of the tank body can be sampled at multiple points before the tank body is subjected to linear welding, the actual position coordinate and the shape tolerance of the welding seam are determined, and then the welding gun of the multi-axis robot is used for adaptive linear welding, so that the influence of repeated positioning errors on the welding seam precision is eliminated; by arranging the feeding and discharging device and the material guide assembly, feeding and discharging can be carried out quickly, so that the production rhythm is improved; the protective sleeve of the butt welding gun can be cooled in real time by installing the water cooling sleeve on the protective sleeve, so that the service life of the protective sleeve is prolonged.

The foregoing description of the specific exemplary embodiments of the invention has been presented for the purposes of illustration and description, and is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching, although examples of the invention have been shown and described, the present examples are intended to be illustrative of the invention and are not intended to be limiting of the invention, the particular features, structures, materials or characteristics described may be suitably combined in any one or more of the examples or illustrations, the exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application, to thereby enable others skilled in the art to utilize the invention in such detail without departing from the principles and spirit of the invention, modifications, substitutions, variations and various alternatives and changes of the embodiments may be made as necessary without inventive contribution to the art, but are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a jar automatic linear welding device of body which characterized in that includes:

the device comprises a workbench (1), wherein a first guide rail (11) is arranged on the workbench (1), and second guide rails (12) perpendicular to the first guide rail (11) are respectively arranged on two sides of the first guide rail (11);

the rotating assembly (2) comprises a rotating seat (21) and a barrel assembly (22), the rotating seat (21) is slidably arranged on the second guide rail (12), the barrel assemblies (22) are respectively rotatably arranged on one side opposite to the two rotating seats (21), and the axes of the two barrel assemblies (22) are overlapped;

the discharging roller way (3) is arranged on one side of the workbench (1), and the conveying direction of the discharging roller way (3) is vertical to the first guide rail (11);

the feeding and discharging device (4) is arranged on the first guide rail (11) in a sliding mode, the feeding and discharging device (4) comprises a feeding assembly (41) and a discharging assembly (42), the feeding assembly (41) comprises a lifting feeding tool (411), an inward concave positioning groove (412) is formed in the feeding tool (411), a clamping device (413) is arranged on one side of the positioning groove (412), the discharging assembly (42) is located between the feeding assembly (41) and the discharging roller way (3), and the discharging assembly (42) comprises a lifting electromagnet assembly (421);

the material guiding assembly (5) is arranged between the feeding and discharging device (4) and the discharging roller bed (3), the material guiding assembly (5) comprises two material guiding columns (51), each material guiding column (51) is respectively arranged on two sides of the first guide rail (11), and a material guiding guide rail (52) is arranged between each material guiding column (51) and the discharging roller bed (3);

the protection device (6) comprises a protection cover (61) and a first lifting part (62), the protection cover (61) is connected with any one of the rotating seats (21) through the first lifting part (62), the first lifting part (62) can drive the protection cover (61) to lift, the upper end and the lower end of the protection cover (61) are respectively provided with a first cover opening (63) and a second cover opening (64) which are communicated with each other, one side of the protection cover (61) is provided with a maintenance opening (65), the maintenance opening (65) is provided with a protective cover (66) which can be opened and closed, and the protective cover (66) is provided with an observation opening (67) corresponding to the maintenance opening (65);

the multi-axis welding robot (7) comprises a multi-axis welding arm (71) and a welding gun head (72), one end of the multi-axis welding arm (71) is rotatably arranged on the workbench (1), the welding gun head (72) is installed at the other end of the multi-axis welding arm (71), a protective sleeve (73) and a laser range finder (74) are arranged on the welding gun head (72), and a water cooling sleeve (75) is sleeved on the protective sleeve (73);

controller (8) and wash rifle bolt (9), controller (8) and wash rifle bolt (9) are located simultaneously the opposite side of workstation (1), wash rifle bolt (9) with controller (8) are close to each other.

2. The automatic linear welding apparatus of tanks according to claim 1, further comprising a shield gas tank (10), said shield gas tank (10) communicating with the inside of said protective sheath (73).

3. Device according to claim 1, characterized in that said rotating assembly (2) further comprises a first driving portion (23), said first driving portion (23) interconnecting said rotating seat (21) and said worktable (1), said first driving portion (23) being able to drive said rotating seat (21) to slide along said second guide (12).

4. Automatic linear welding device for tanks according to claim 3, characterized in that said first driving part (23) comprises:

the first air cylinder (231) is fixedly arranged in the rotating seat (21), and the movable end of the first air cylinder (231) extends towards two ends of the workbench (1);

a connecting block (232) fixedly mounted on the end of the workbench (1);

the connecting sleeve (233) is rotatably arranged on the connecting block (232), and the connecting sleeve (233) is fixedly sleeved on the movable end of the first air cylinder (231).

5. The automatic linear welding apparatus of tanks according to claim 1, characterized in that said rotating assembly (2) further comprises a driving assembly (24), said driving assembly (24) comprising:

a drive shaft (241) rotatably provided on the rotating base (21), an end of the drive shaft (241) being coaxially and fixedly connected with an end of the drum assembly (22);

and the gear box (242) is arranged in the rotating seat (21), the output end of the gear box (242) is connected with the driving shaft (241), and the input end of the gear box (242) is provided with a rotating motor (243).

6. Automatic linear welding apparatus for tanks according to claim 5, characterized in that said drum assembly (22) comprises:

a first sleeve (221), one end of which is connected with the end of the driving shaft (241) in a detachable mode, and the other end of the first sleeve (221) is provided with a first sleeve opening (222);

and one end of the second sleeve (223) is detachably connected with the first sleeve opening (222), and the other end of the second sleeve (223) is provided with a second sleeve opening (224).

7. The automatic linear welding device for the tank bodies as claimed in claim 1, wherein the feeding and discharging device (4) further comprises a moving tray (43), the moving tray (43) is connected with the workbench (1) through a second air cylinder (44), the second air cylinder (44) can drive the moving tray (43) to slide along the first guide rail (11), the moving tray (43) is further provided with a first vertical hydraulic cylinder (45) and a second vertical hydraulic cylinder (46), the movable end of the first hydraulic cylinder (45) is fixedly connected with the feeding tool (411), and the movable end of the second hydraulic cylinder (46) is fixedly connected with the electromagnet assembly (421).

8. The automatic linear welding device for the tank body according to claim 1, wherein the clamping device (413) further comprises a third air cylinder (414), the third air cylinder (414) is fixedly installed on the feeding tool (411), the movable end of the third air cylinder (414) can extend and retract towards the direction of the positioning groove (412), a clamping block (415) is installed at the movable end of the third air cylinder (414), a plurality of glue heads (416) are installed on the clamping block (415), the glue heads (416) face the positioning groove (412), a certain taper angle is formed in the side portion of the glue heads (416), and the glue heads (416) are located above the axis of the positioning groove (412).

9. The automatic linear welding device for the tank body according to claim 1, wherein the electromagnet assembly (421) comprises a magnetic base (422), a magnetic head (423) is arranged on the magnetic base (422), the distance between the magnetic head (423) and the magnetic base (422) is adjustable, the magnetic head (423) comprises a housing (424), a magnetic core (425) capable of elastically floating is arranged in the housing (424), a V-shaped first bayonet (426) is arranged on the housing (424), a V-shaped second bayonet (427) is arranged on the magnetic core (425), the shape of the second bayonet (427) is consistent with the shape of the first bayonet (426) and is higher than that of the first bayonet (426), a relief groove (429) is arranged in the middle of the second bayonet (427), a coil (428) is arranged between the magnetic core (425) and the housing (424), the coil (428) is electrically connected with the magnetic seat (422).

10. The automatic linear welding device for the tank body according to the claim 1, characterized in that an inner cavity is arranged in the water cooling jacket (75), a water inlet pipe (751) and a water outlet pipe (752) are arranged on the water cooling jacket (75), and the water inlet pipe (751) and the water outlet pipe (752) are communicated with the inner cavity simultaneously; the laser range finder is characterized in that a laser emitting head (741) and a laser receiving head (742) are arranged at the end part of the laser range finder (74), and a protective coaming (743) is arranged on the peripheries of the emitting head (741) and the laser receiving head (742).