CN114310064B - Automatic linear welding device for tank body - Google Patents
Automatic linear welding device for tank body Download PDFInfo
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- CN114310064B CN114310064B CN202210107932.0A CN202210107932A CN114310064B CN 114310064 B CN114310064 B CN 114310064B CN 202210107932 A CN202210107932 A CN 202210107932A CN 114310064 B CN114310064 B CN 114310064B
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- discharging
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- 238000003466 welding Methods 0.000 title claims abstract description 115
- 238000007599 discharging Methods 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000005070 sampling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to the technical field of tank welding, and particularly discloses an automatic linear welding device for a tank, which comprises the following components: the automatic feeding and discharging device comprises a workbench, a rotating assembly, a rotary drum assembly, a discharging roller way, a feeding and discharging device, a guiding assembly, a protecting device, a multi-axis welding robot, a water cooling sleeve, a laser range finder, a controller, a gun washing machine and a protecting gas tank. According to the invention, the laser range finder is arranged on the welding gun head of the multi-axis welding robot, so that the periphery of the tank body can be subjected to multi-point sampling before the tank body is subjected to linear welding, the actual position coordinates and the shape tolerance of a welding line of the tank body are determined, and then the self-adaptive linear welding is performed through the welding gun of the multi-axis welding robot, so that the influence of repeated positioning errors on the accuracy of the welding line is eliminated; the feeding and discharging device and the material guiding assembly are arranged, so that rapid feeding and discharging can be performed, and the production beat is improved; the water cooling jacket is arranged on the protective sleeve, so that the protective sleeve of the welding gun can be cooled in real time, and the service life of the protective sleeve is prolonged.
Description
Technical Field
The invention belongs to the technical field of tank welding, and particularly relates to an automatic linear welding device for a tank.
Background
The high-pressure gas storage tank is a common pressure container, and the tank body of the high-pressure gas storage tank is usually welded by adopting arc welding to butt weld two part shells of the tank body, and the quality requirement on the welding seam is extremely high, and particularly the thickness and uniformity of the welding seam in the circumferential direction of the high-pressure gas storage tank need to be strictly controlled.
Because the two-part shell of the tank part needs to be subjected to spot welding before linear welding, certain shape and position errors exist in the process of spot welding, and positioning errors also exist in the process of positioning, the position of the welding seam has certain deviation due to individual difference in the process of normal welding, and the consistency of the quality of the welding seam during welding is difficult to ensure. The welded parts are inconvenient to load and unload in the loading and unloading process, and manual intervention is needed, so that more loading and unloading time is wasted, and the production beat is influenced. After the protective sleeve in the welding gun head of the multi-axis welding robot is used for a long time, the temperature is too high, deformation is easy to occur or ageing of materials is accelerated, so that the service life of the welding gun head is influenced, and the stability of welding quality is also influenced.
The foregoing background is only for the purpose of providing an understanding of the inventive concepts and technical aspects of the present invention and is not necessarily prior art to the present application and is not intended to be used to evaluate the novelty and creativity of the present application in the event that no clear evidence indicates that such is already disclosed at the filing date of the present application.
Disclosure of Invention
The invention aims to provide an automatic linear welding device for a tank body, so that the defects that the quality consistency of welding lines is poor and the quality consistency of the welding lines is controlled in the existing tank body linear welding process due to low positioning precision, feeding and discharging are inconvenient, the production beat is slow, and the ageing speed of a protective sleeve of a welding gun is high are overcome.
In order to achieve the above object, the present invention provides an automatic linear welding device for a can body, comprising: the workbench is provided with a first guide rail, and two sides of the first guide rail are respectively provided with a second guide rail perpendicular to the first guide rail; the rotating assembly comprises a rotating seat and a rotating drum assembly, the rotating seat is arranged on the second guide rail in a slidable mode, the rotating drum assemblies are respectively arranged on the opposite sides of the two rotating seats in a rotatable mode, and the axes of the two rotating drum assemblies are mutually overlapped; the unloading roller way is arranged on one side of the workbench, and the conveying direction of the unloading roller way is perpendicular 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 positioned between the feeding assembly and the discharging roller way, and the discharging assembly comprises a lifting electromagnet assembly; the material guiding assembly is arranged between the feeding and discharging device and the discharging roller way, and comprises two material guiding columns, each material guiding column is respectively arranged at two sides of the first guide rail, and a material guiding guide rail is arranged between the material guiding column and the discharging roller way; the protection device comprises a protection cover and a first lifting part, wherein the protection cover is connected with any rotating seat through the first lifting part, the first lifting part can drive the protection cover to lift, a first cover opening and a second cover opening which are mutually communicated are respectively arranged at the upper end and the lower end of the protection cover, a maintenance opening is arranged at one side of the protection cover, a protection cover which can be opened and closed is arranged at the maintenance opening, and an observation opening corresponding to the maintenance opening is formed in the protection cover; the multi-axis welding robot comprises a multi-axis welding arm and a welding gun head, wherein one end of the multi-axis welding arm is rotatably arranged on the workbench, the welding gun head is arranged at the other end of the multi-axis 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 gun washing machine comprises a workbench, a controller and a gun washing machine, wherein 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 and the controller are close to each other.
Preferably, in the above technical solution, the device further comprises a protective gas tank, and the protective gas tank is communicated with the inside of the protective sleeve.
Preferably, in the above technical solution, the rotating assembly further includes a first driving portion, the first driving portion connects the rotating seat with the workbench, and the first driving portion can drive the rotating seat to slide along the second guide rail.
Preferably, in the above technical solution, the first driving portion includes: the first cylinder is fixedly arranged in the rotating seat, and the movable end of the first cylinder extends to the 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 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 rotary 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 foregoing technical solution, the drum assembly includes: one end of the first sleeve is connected with the end part of the driving shaft in a coaxial way in a detachable way, and the other end of the first sleeve is provided with a first sleeve opening; and one end of the second sleeve is connected with the first sleeve opening in a detachable mode, and the other end of the second sleeve is provided with a second sleeve opening.
Preferably, in the above technical scheme, the feeding and discharging device further comprises a movable tray, the movable tray is connected with the workbench through a second air cylinder, the second air cylinder can drive the movable tray to slide along the first guide rail, a first vertical hydraulic cylinder and a second vertical hydraulic cylinder are further arranged on the movable tray, 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, in the above technical scheme, the clamping device further comprises a third cylinder, the third cylinder is fixedly mounted on the feeding tool, the movable end of the third cylinder can stretch out and draw back towards the direction of the positioning groove, a clamping block is mounted at the movable end of the third cylinder, a plurality of rubber heads are mounted on the clamping block, the rubber heads face the positioning groove, a certain cone angle is arranged on the side portion of the rubber heads, and the rubber heads are located above the axis of the positioning groove.
Preferably, in the above technical scheme, the electromagnet assembly includes a magnetic seat, be equipped with the magnetic head on the magnetic seat, the magnetic head extremely distance between the magnetic seat is adjustable, the magnetic head includes the shell, be equipped with the magnetic core that can elastically float in the shell, set up "V" shape's first bayonet socket on the shell, set up "V" shape's second bayonet socket 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 magnetic seat electric connection.
Preferably, in the above technical solution, an inner cavity is provided in the water-cooling jacket, a water inlet pipe and a water outlet pipe are provided on the water-cooling jacket, and the water inlet pipe and the water outlet pipe are simultaneously communicated with the inner cavity; the end of the laser range finder is provided with a laser transmitting head and a laser receiving head, and the circumferences of the transmitting head and the laser receiving head are provided with protection coamings.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the automatic linear welding device for the tank body, the laser range finders are arranged on the welding gun heads of the multi-axis welding robot, so that the periphery of the tank body can be subjected to multi-point sampling before the tank body is subjected to linear welding, the actual position coordinates and the shape tolerance of a welding line of the tank body are determined, and then the welding gun of the multi-axis robot is used for self-adaptive linear welding, so that the influence of repeated positioning errors on the accuracy of the welding line is eliminated; the feeding and discharging device and the material guiding assembly are arranged, so that rapid feeding and discharging can be performed, and the production beat is improved; the water cooling jacket is arranged on the protective sleeve, so that the protective sleeve of the welding gun can be cooled in real time, and the service life of the protective sleeve is prolonged.
2. The first driving part and the driving component in the rotating component in the automatic tank linear welding device are arranged in the rotating seat, so that the air cylinder and the rotating motor can be protected from being influenced by external environment, the service life of the automatic tank linear welding device is prolonged, and the overall attractiveness of the automatic tank linear welding device is improved.
3. The feeding tool in the feeding assembly is provided with the circular arc-shaped positioning groove, one side of the positioning groove is provided with the clamping device, the clamping device is provided with the conical rubber head, the rubber head is positioned above the axis of the positioning groove, and when the clamping device clamps a part, the conical rubber head can apply a downward oblique force to the side part of the part, so that the tank body forms a three-point supporting structure, and the positioning of the tank body part is more accurate and stable.
4. According to the invention, the shell of the electromagnet assembly is provided with the V-shaped first bayonet, the elastic floating magnetic core is provided with the V-shaped second bayonet, the side part of the part can be attracted after welding is finished, and the bayonet structure just can clamp the arc-shaped outer wall of the tank body, so that the gripping performance of the electromagnet assembly is more stable; in addition, the abdication groove in the magnetic core can abdy the convex part of the welding line, so that the stability of the electromagnet assembly when sucking the part is further improved; the elastic floating magnetic core can be used for discharging materials better when the materials are used for shoes, and adverse effects of the tank body on the discharging materials due to magnetization are eliminated.
5. The sleeve assembly comprises the first sleeve and the second sleeve which are detachable, the first sleeve can clamp and position the steel ring at the bottom of the tank body, the second sleeve can clamp and position the outer side wall of the tank body, and the sleeve assembly can be conveniently combined and replaced according to different tank body sizes.
6. The protection device can protect the working area of the welding gun in the welding process, prevent sparks in the welding process from splashing outside, and can timely inspect and maintain the welding gun head when the machine is stopped and fails through the maintenance port, and the condition of the welding position can be observed in real time through the observation port.
7. According to the feeding and discharging device, when the feeding and discharging device is used for discharging, the electromagnet assembly carries the parts to move to the middle of the material guide assembly, then the electromagnet assembly is lowered, and the welded tank body automatically rolls onto the discharging roller way through the material guide rail on the material guide assembly, so that automatic discharging is realized, labor is saved, and production beat is improved.
8. The controller and the gun washer are both positioned at the front side of the device, so that an operator can conveniently operate the controller and the gun washer together.
Drawings
Fig. 1 is a structural view of an automatic linear welding apparatus for can bodies according to the present invention.
FIG. 2 is a block diagram of a table, a guide assembly and a discharge roller table.
Fig. 3 is a partial cutaway view of the rotating assembly.
Fig. 4 is a structural view of the loading and unloading device.
Fig. 5 is a structural view of the protection device.
Fig. 6 is a partial structural view of the torch head.
The main reference numerals illustrate:
1-a workbench, 11-a first guide rail and 12-a second guide rail;
2-rotating assembly, 21-rotating seat, 22-rotating drum assembly, 221-first sleeve, 222-first socket, 223-second sleeve, 224-second socket, 23-first driving part, 231-first cylinder, 232-connecting block, 233-connecting sleeve, 24-driving assembly, 241-driving shaft, 242-gear box, 243-rotating motor;
3-a discharging roller way;
4-loading and unloading devices, 41-loading components, 411-loading tools, 412-positioning grooves, 413-clamping devices, 414-third cylinders, 415-clamping blocks, 416-rubber heads, 42-unloading components, 421-electromagnet components, 422-magnetic seats, 423-magnetic heads, 424-shells, 425-magnetic cores, 426-first bayonets, 427-second bayonets, 428-coils, 429-giving-up grooves, 43-moving trays, 44-second cylinders, 45-first hydraulic cylinders and 46-second hydraulic cylinders;
5-material guiding components, 51-material guiding columns and 52-material guiding guide rails;
6-protecting device, 61-protecting cover, 62-first lifting part, 63-first cover opening, 64-second cover opening, 65-maintenance opening, 66-protecting cover and 67-observation opening;
7-multi-axis welding robot, 71-multi-axis welding arm, 72-welding gun head, 73-protective sleeve, 74-laser range finder, 741-laser transmitting head, 742-laser receiving head, 743-protective coaming, 75-water cooling sleeve, 751-water inlet pipe and 752-water outlet pipe;
8-a controller;
9-gun washing machine;
10-protecting the gas tank.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inside", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured 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 number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The terms "first," "second," "third," and the like, if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
As shown in fig. 1 to 6, the automatic linear welding apparatus for a can body in this embodiment includes: the laser welding machine comprises a workbench 1, a first guide rail 11, a second guide rail 12, a rotating assembly 2, a rotating seat 21, a rotating drum assembly 22, a first sleeve 221, a first sleeve 222, a second sleeve 223, a second sleeve 224, a first driving part 23, a first cylinder 231, a connecting block 232, a connecting sleeve 233, a driving assembly 24, a driving shaft 241, a gear box 242, a rotating motor 243, a discharging roller table 3, a feeding and discharging device 4, a feeding assembly 41, a feeding tool 411, a positioning groove 412, a clamping device 413, a third cylinder 414, a clamping block 415, a rubber head 416, a discharging assembly 42, an electromagnet assembly 421, a magnetic seat 422, a magnetic head 423, a housing 424, a magnetic core 425, a first bayonet 426, a second bayonet 427, a coil 428, a yielding groove 429, a moving tray 43, a second cylinder 44, a first hydraulic cylinder 45, a second hydraulic cylinder 46, a guiding assembly 5, a guiding column 51, a guiding guide rail 52, a protecting device 6, a protecting cover 61, a first lifting part 62, a first cover 63, a second cover 64, a maintaining port 65, a protecting cover 66, a protecting cap 66, a protecting arm 71, a multi-axis laser welding head 74, a water-receiving device 74, a water-feeding device 741, a laser ranging device 74, a water-jetting device 741, a laser-jetting device 75, a water-jetting device, a water tank 75, a laser-jetting device, a water-jetting device 74, a water-jetting device 74, a protecting device, a distance-jetting device, etc.
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 mutually 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 of the workbench; the rotating assembly 2 includes: a rotatable seat 21, a rotatable bowl assembly 22, a first drive 23 and a drive assembly 24; the rotating seat 21 has a hollow structure inside, and is mounted on the second rail 12 and can slide along the second rail 12, and the first driving part 23 includes: a first cylinder 231, a connection block 232, and a connection sleeve 233; the first cylinder 231 is fixedly arranged in the rotating seat 21, the movable end of the first cylinder 231 extends towards the two ends of the workbench 1, and the connecting block 232 is fixedly arranged at the end part of the workbench 1 and is mutually perpendicular to the top surface of the workbench 1; the connecting sleeve 233 is rotatably mounted on the connecting block 232, and the connecting sleeve 233 is sleeved on the periphery of the movable end of the first cylinder 231 through a sleeve hole and is mutually fixed with the movable end of the first cylinder 231, and the sleeve hole of the connecting sleeve 233 is mutually perpendicular to the rotation axis of the connecting sleeve 233; the driving assembly 24 is installed inside the rotation seat 21, and includes: a drive shaft 241, a gear box 242, and a rotation motor 243; the driving shaft 241 is mounted on the rotating seats 21 through bearing seats and can rotate, one end of the driving shaft 241 extends outwards from the opposite ends of the two rotating seats 21 and is fixedly connected with the end part of the rotary drum assembly 22 coaxially, the gear box 242 is fixedly mounted 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 bowl assembly 22 includes a first sleeve 221 and a second sleeve 223; one end of the first sleeve 221 is detachably and coaxially connected with the end part of the driving shaft 241 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 with the first socket 222 by a bolt, and the other end of the second sleeve 223 is provided with a second socket 224.
The unloading roller way 3 is arranged at the rear side of the workbench 1, the conveying direction of the unloading roller way 3 is perpendicular to the first guide rail 11, and a plurality of rollers are arranged at intervals along the conveying direction of the unloading roller way 3.
The loading and unloading device 4 comprises: the feeding assembly 41, the electromagnet assembly 421, the movable tray 43, the second cylinder 44, the first hydraulic cylinder 45 and the second hydraulic cylinder 46; the movable tray 43 is mounted on the first guide rail 11, the second air cylinder 44 is mounted 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 vertical first hydraulic cylinder 45 and a vertical second hydraulic cylinder 46; the unloading subassembly 42 is located between loading subassembly 41 and the roll table 3 of unloading, and loading subassembly 41 includes material loading frock 411, has seted up inwards sunken semicircular constant head tank 412 on the material loading frock 411, and the both ends of constant head tank 412 outwards extend 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 clamping device 413 includes with material loading frock 411 fixed connection the active end of first pneumatic cylinder 45: a third cylinder 414, a clamping block 415 and a rubber head 416; the third cylinder 414 is fixedly arranged on the feeding tool 411, the movable end of the third cylinder 414 can stretch 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 arranged 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 certain taper angles, so that the diameter of the root parts of the rubber heads is larger than that of the end parts of the rubber heads, and the two rubber heads 416 are positioned above the axis of the positioning groove 412; the electromagnet assembly 421 includes: a magnetic base 422 and a magnetic head 423; the movable end of the second hydraulic cylinder 46 is fixedly connected with the magnetic seat 422, the magnetic head 423 is arranged on the magnetic seat 422 through four studs and nuts, the distance between the magnetic head 423 and the magnetic seat 422 can be changed through adjusting the distance between the nuts and the studs, the magnetic head 423 comprises a housing 424, an opening is formed in the top of the housing 424, a magnetic core 425 capable of elastically floating up and down is arranged in the housing 424, a V-shaped first bayonet 426 is formed in the housing 424, a V-shaped second bayonet 427 is formed in the magnetic core 425, the shape of the second bayonet 427 is consistent with that of the first bayonet 426 and higher than that of the first bayonet 426, a yielding groove 429 is formed in the middle of the second bayonet 427, the direction of the yielding groove 429 is mutually perpendicular to that 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, and the blanking component 42 comprises a lifting electromagnet component 421.
The material guiding assembly 5 is arranged between the upper and lower material feeding devices 4 and the material discharging roller way 3, the material guiding assembly 5 comprises two material guiding columns 51 which are vertically and fixedly welded on the top surface of the workbench 1, each material guiding column 51 is respectively positioned on two sides of the first guide rail 11, a material guiding guide rail 52 is arranged between the top end of each material guiding column 51 and the material discharging roller way 3, and the material guiding guide rail 52 gradually inclines downwards from the material guiding column 51 to the material discharging roller way 3.
The protection device 6 includes a protection cover 61 and a first elevating portion 62; the protection cover 61 is connected with any rotating seat 21 through a first lifting part 62, the first lifting part 62 is an air cylinder or a hydraulic cylinder, the protection cover 61 can be driven to lift, a first cover opening 63 and a second cover opening 64 which are mutually communicated are respectively formed in the upper end and the lower end of the protection cover 61, a maintenance opening 65 is formed in one side of the protection cover 61, a protection cover 66 which can be opened and closed is arranged at the maintenance opening 65, one side of the protection cover 61 is hinged with one side of the maintenance opening 65, an observation opening 67 corresponding to the maintenance opening 65 is formed in the protection cover 66, 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, wherein one end of the multi-axis welding arm 71 is rotatably arranged on the workbench 1, the welding gun head 72 is arranged at the other end of the multi-axis welding arm 71 and can rotate, a protective sleeve 73 is arranged on the welding gun head 72, a laser range finder 74 is fixedly arranged on one side of the welding gun head 72, a water cooling sleeve 75 is sleeved on the protective sleeve 73, an annular inner cavity is formed in the water cooling sleeve 75, a water inlet pipe 751 and a water outlet pipe 752 are arranged on the water cooling sleeve 75, and the water inlet pipe 751 and the water outlet pipe 752 are simultaneously communicated with the inner cavity and are provided with circulating cooling water by an external water pump; the end of the laser range finder 74 is provided with a laser transmitting head 741 and a laser receiving head 742, a protective coaming 743 is arranged on the circumferences of the transmitting head 741 and the laser receiving head 742, the workbench 1 is also provided with a controller 8, a gun washer 9 and a protective gas tank 10, the protective gas tank 10 is communicated with the inside of the protective 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 mutually close.
Next, the operation of an automatic linear welding apparatus for can bodies according to this embodiment will be described in detail, so that those skilled in the art can more understand the present invention:
and (3) feeding: placing the pot body subjected to spot welding in a positioning groove 412, then starting a clamping device 413 to clamp the pot body, driving a feeding tool 411 to lift upwards by a first hydraulic cylinder 45, moving a feeding assembly 41 to enable two ends of the pot body to be aligned with the opening parts of the rotary drum assemblies 22 respectively, starting a first driving part 23 to enable two rotary seats 21 to be close to each other, and enabling the two rotary drum assemblies 22 to be buckled at two ends of the pot body respectively to position the pot body;
protection: the protective cover 61 in the protective device 6 is driven by the first lifting part 62 to fall down and is positioned above the tank body and is mutually 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 upper part of the protective cover 61 and stretches 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 respectively collects 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 value of each detection point;
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 gun: after the welding is completed, the multi-shaft welding arm 71 moves the welding gun head 72 to the position of 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 and the second hydraulic cylinder 46 drives the blanking component to lift upwards, meanwhile, the electromagnet component 421 is electrified to enable the electromagnet component 421 to attract the periphery of the tank body, the rotating seat 21 moves towards the two ends of the workbench 1 to enable the two ends of the rotating drum component 22 and the tank body to be separated from each other, the blanking component 42 carries the tank body to move between the guide components 5, then the second hydraulic cylinder 46 drives the blanking component 42 to descend and simultaneously enables the electromagnet component 421 to be powered off, and the two ends of the tank body are respectively abutted to the two guide rails 52, so that the tank body slides onto the discharging roller table 3 along the guide rails 52.
In summary, in the automatic linear welding device for the tank body in the embodiment, the laser range finder is arranged on the welding gun head of the multi-axis welding robot, so that the periphery of the tank body can be subjected to multi-point sampling before the tank body is subjected to linear welding, the actual position coordinates and the shape tolerance of the welding seam of the tank body can be determined, and then the welding gun of the multi-axis robot is used for self-adaptive linear welding, so that the influence of repeated positioning errors on the accuracy of the welding seam is eliminated; the feeding and discharging device and the material guiding assembly are arranged, so that rapid feeding and discharging can be performed, and the production beat is improved; the water cooling jacket is arranged on the protective sleeve, so that the protective sleeve of the welding gun can be cooled in real time, and the service life of the protective sleeve is prolonged.
The foregoing description of specific exemplary embodiments of the invention has been presented for the purpose of illustration and description, but it is not intended to limit the invention to the precise form disclosed, and it is apparent that many changes and modifications may be made in accordance with the above teachings, and while embodiments of the invention have been shown and described, this specific embodiment is merely illustrative of the invention and not restrictive, the particular features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner, the exemplary embodiments being selected and described for the purpose of explaining the specific principles of the invention and its practical application, so that modifications, substitutions, variations, and various other changes may be made to the embodiments without creatively departing from the principles and spirit of the invention as desired by those skilled in the art without departing from the scope of the patent claims.
Claims (8)
1. An automatic linear welding device for a tank body, comprising:
the automatic feeding 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;
the rotating assembly (2) comprises a rotating seat (21) and a rotating drum assembly (22), the rotating seat (21) is slidably arranged on the second guide rail (12), the rotating drum assembly (22) is rotatably arranged on one side opposite to the two rotating seats (21), and the axes of the two rotating drum assemblies (22) are mutually 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 perpendicular 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 inwards 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 table (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 way (3), the material guiding assembly (5) comprises two material guiding columns (51), each material guiding column (51) is respectively arranged at two sides of the first guide rail (11), and a material guiding guide rail (52) is arranged between the material guiding column (51) and the discharging roller way (3);
the protection device (6) comprises a protection cover (61) and a first lifting part (62), wherein the protection cover (61) is connected with any rotating seat (21) through the first lifting part (62), the first lifting part (62) can drive the protection cover (61) to lift, a first cover opening (63) and a second cover opening (64) which are mutually communicated are respectively arranged at the upper end and the lower end of the protection cover (61), a maintenance opening (65) is arranged at one side of the protection cover (61), a protective cover (66) capable of being opened and closed is arranged at the maintenance opening (65), and an observation opening (67) corresponding to the maintenance opening (65) is formed in the protective cover (66);
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 arranged 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);
the gun washing machine comprises a controller (8) and a gun washing machine (9), wherein the controller (8) and the gun washing machine (9) are arranged on the other side of the workbench (1) at the same time, and the gun washing machine (9) and the controller (8) are close to each other;
the clamping device (413) further comprises a third air cylinder (414), the third air cylinder (414) is fixedly arranged on the feeding tool (411), the movable end of the third air cylinder (414) can stretch towards the direction of the positioning groove (412), a clamping block (415) is arranged at the movable end of the third air cylinder (414), a plurality of rubber heads (416) are arranged on the clamping block (415), the rubber heads (416) face the positioning groove (412), a certain cone angle is formed in the side portion of the rubber heads (416), and the rubber heads (416) are located above the axis of the positioning groove (412);
the electromagnet assembly (421) comprises a magnetic seat (422), a magnetic head (423) is arranged on the magnetic seat (422), the distance between the magnetic head (423) and the magnetic seat (422) is adjustable, the magnetic head (423) comprises a shell (424), a magnetic core (425) capable of elastically floating is arranged in the shell (424), a first bayonet (426) in a V shape is arranged on the shell (424), a second bayonet (427) in a V shape is arranged on the magnetic core (425), the shape of the second bayonet (427) is consistent with that of the first bayonet (426) and higher than that of the first bayonet (426), a yielding groove (429) is arranged in the middle of the second bayonet (427), and a coil (428) is arranged between the magnetic core (425) and the shell (424), and the coil (428) is electrically connected with the magnetic seat (422).
2. The automatic tank linear welding device according to claim 1, further comprising a protective gas tank (10), said protective gas tank (10) being in communication with the interior of said protective sleeve (73).
3. Automatic linear welding device for tanks 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) with said work bench (1), said first driving portion (23) being able to drive said rotating seat (21) to slide along said second guide rail (12).
4. A tank automatic linear welding apparatus according to claim 3, characterized in that said first driving portion (23) comprises:
a first cylinder (231) fixedly installed in the rotation seat (21), wherein the movable end of the first cylinder (231) extends to two ends of the workbench (1);
a connection block (232) fixedly mounted at an end of the table (1);
and the connecting sleeve (233) is rotatably mounted on the connecting block (232), and the connecting sleeve (233) is fixedly sleeved on the movable end of the first cylinder (231).
5. The automatic linear welding apparatus for cans according to claim 1, wherein the rotating assembly (2) further comprises a driving assembly (24), the driving assembly (24) comprising:
a drive shaft (241) rotatably provided on the rotary seat (21), an end of the drive shaft (241) being fixedly connected coaxially with an end of the drum assembly (22);
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. The automatic linear welding apparatus for cans according to claim 5, wherein the drum assembly (22) comprises:
a first sleeve (221) one end of which is detachably and coaxially connected with the end part of the driving shaft (241), 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 connected with the first sleeve opening (222) in a detachable mode, 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 body according to claim 1, wherein the loading and unloading device (4) further comprises a movable tray (43), the movable tray (43) is connected with the workbench (1) through a second air cylinder (44), the second air cylinder (44) can drive the movable tray (43) to slide along the first guide rail (11), a first vertical hydraulic cylinder (45) and a second vertical hydraulic cylinder (46) are further arranged on the movable tray (43), the movable end of the first hydraulic cylinder (45) is fixedly connected with the loading 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 tank bodies according to claim 1, wherein an inner cavity is formed 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 simultaneously communicated with the inner cavity; the end of the laser range finder (74) is provided with a laser emitting head (741) and a laser receiving head (742), and a protective coaming (743) is arranged on the circumferences of the emitting head (741) and the laser receiving head (742).
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| CN202210107932.0A CN114310064B (en) | 2022-01-28 | 2022-01-28 | Automatic linear welding device for tank body |
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| CN202210107932.0A CN114310064B (en) | 2022-01-28 | 2022-01-28 | Automatic linear welding device for tank body |
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| CN114871686B (en) * | 2022-07-08 | 2022-09-30 | 江苏扬阳化工设备制造有限公司 | Pressure vessel adds clamping apparatus |
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