CN117921234A - Box welding system - Google Patents

Abstract

The invention relates to the field of machinery and discloses a box welding system which comprises a positioning welding tool, a first position changing machine, a second position changing machine, an external welding device and a box carrying piece, wherein the first position changing machine is provided with a first overturning supporting frame, an overturning clamping mechanism is arranged on the first overturning supporting frame, the second position changing machine is provided with a second overturning supporting frame, a welding clamping mechanism is arranged on the second overturning supporting frame, the external welding device is positioned on one side of the second position changing machine, the box carrying piece is provided with a box carrying surface, a positioning piece capable of positioning a welded box is arranged on the box carrying surface, the box carrying piece can move between a first position and a second position, the box carrying surface is positioned under the first overturning supporting frame, and the box carrying surface is positioned under the second overturning supporting frame. The box welding system greatly improves the automation degree of box welding and the efficiency of box welding, and also improves the welding precision.

Description

Box welding system

Technical Field

The invention belongs to the field of machinery, and particularly relates to a box welding system.

Background

In the field of construction machines or other machines, various box structural parts, such as for example the fixed legs in a truck crane, are commonly welded by means of several plates. In the production and manufacturing process, each plate is subjected to positioning welding to form a rudiment of the box body structure, and then the welding seams of the rudiment of the box body structure are subjected to external welding to form a final finished product.

In the prior art, the fixed-position welding and the external welding are respectively operated by manual work, and the work piece between the fixed-position welding station and the external welding station is operated by equipment such as a manually operated crane, so that the degree of automation is low and the welding efficiency is extremely low.

Disclosure of Invention

Aiming at the defects or the defects in the prior art, the invention provides a box welding system, which aims to solve the technical problems of lower automation degree and extremely low welding efficiency in the welding production of box structural parts in the prior art.

To achieve the above object, the present invention provides a tank welding system including:

the positioning welding tool is used for positioning the plate to be welded;

The first positioner is positioned at one side of the positioning welding tool and is provided with a first overturning support frame capable of overturning around a first overturning axis, a first support surface of the first overturning support frame, which faces the first overturning axis, is provided with an overturning clamping mechanism, and the overturning clamping mechanism is used for clamping the box body subjected to positioning welding;

The second positioner is provided with a second overturning supporting frame capable of overturning around a second overturning axis, a second supporting surface of the second overturning supporting frame facing the second overturning axis is provided with a welding clamping mechanism, and the welding clamping mechanism is used for clamping the box body subjected to the positioning welding;

the outer welding device is positioned at one side of the second positioner and is used for welding the welding seam of the box body clamped on the second overturning supporting frame after positioning welding;

The box carrier is provided with a box bearing surface, the box bearing surface is provided with a locating piece capable of locating the box after the locating welding, the box carrier can move between a first position and a second position, the box bearing surface is located under the first overturning supporting frame, and the box bearing surface is located under the second overturning supporting frame.

Optionally, the welding fixture includes:

The bottom plate positioning bracket is provided with a horizontal positioning surface, and a bottom plate magnetic attraction piece is arranged on the horizontal positioning surface;

The two side vertical plate positioning brackets are arranged at intervals on two sides of the horizontal positioning surface in the transverse direction and are respectively provided with a first vertical positioning surface which is arranged oppositely, the two first vertical positioning surfaces are respectively positioned above the horizontal positioning surface and are respectively provided with a side vertical plate magnetic attraction piece, and the same ends of the two first vertical positioning surfaces in the longitudinal direction of the horizontal positioning surface are respectively provided with a plate end positioning piece.

Optionally, the welding fixture further includes a first spacing adjustment mechanism, and the first spacing adjustment component is used for driving the two side riser locating brackets to move in opposite directions or back to adjust the spacing between the two side riser locating brackets.

Optionally, the welding fixture further includes two neutral plate positioning brackets, the two neutral plate positioning brackets are arranged at intervals on two sides of the horizontal positioning surface in the longitudinal direction, the two neutral plate positioning brackets are respectively provided with second vertical positioning surfaces which are coplanar with each other and are parallel to the first vertical positioning surface, and the two second vertical positioning surfaces are respectively positioned above the horizontal positioning surface and are respectively provided with a neutral plate magnetic attraction piece.

Optionally, the welding fixture further includes a second interval adjusting mechanism, where the second interval adjusting mechanism is used to drive the two neutral plate positioning brackets to move in opposite directions or back to adjust the interval between the two neutral plate positioning brackets.

Optionally, the overturning clamping mechanism includes:

The two clamping assemblies are respectively arranged on one side edge of the first supporting surface in the width direction and are arranged at intervals along the length direction of the first supporting surface, clamping openings are respectively formed in the two clamping assemblies, and can move oppositely or back under the driving of the clamping driving assemblies, and the two clamping openings are oppositely arranged and are parallel to the first supporting surface;

and the backer is fixedly arranged on one side edge of the first supporting surface in the width direction and is positioned between the two clamping assemblies.

Optionally, the turnover clamping mechanism further comprises a bearing piece, and the bearing piece and the leaning hill are arranged side by side in the width direction of the first supporting surface.

Optionally, the welding clamping mechanism includes:

The two clamping jaw assemblies are arranged at intervals along the length direction of the second supporting surface respectively, the two clamping jaw assemblies respectively comprise a longitudinal hydraulic clamping jaw and a transverse hydraulic clamping jaw, the two longitudinal clamping jaws respectively form a longitudinal clamping opening which is oppositely arranged and perpendicular to the second supporting surface, and the two transverse clamping openings respectively formed by the transverse hydraulic clamping jaws are oppositely arranged and parallel to the second supporting surface.

And the clamping jaw driving assembly is used for driving the two clamping jaw assemblies to move towards or away from each other.

Optionally, the outer welding device includes:

A three-axis driving mechanism;

the six-axis welding robot is arranged at the execution tail end of the three-axis driving mechanism and can move above the second overturning supporting frame under the driving of the three-axis driving mechanism.

Optionally, the box welding system further comprises:

The two ends of the first rail extend to the first positioner and the second positioner respectively;

The movable trolley comprises a mother trolley, a child trolley and a lifting platform, wherein the mother trolley is arranged on the first rail and can move along the first rail, a second rail perpendicular to the first rail is arranged on the mother trolley, the child trolley is arranged on the second rail and can move along the second rail so as to extend out of the mother trolley, and the lifting platform is arranged on the child trolley in a lifting manner;

the box carrying piece is arranged on the lifting platform.

Optionally, the positioning element comprises a box magnetic attraction element.

According to the technical scheme, in the box welding system, the plate to be welded can be positioned by the positioning welding tool so as to be convenient for manual spot welding positioning, the box formed after positioning welding can be clamped on the first position changing machine, then the box formed after positioning welding on the first position changing machine is transported and clamped on the second position changing machine by carrying the box carrying piece, the outer welding device is used for welding the welding seam of the box clamped on the second position changing machine after positioning welding, and the second position changing machine can drive the box to rotate to be matched with the outer welding device in the welding process, so that the positioning, the operation and the outer welding are automatically operated by the device in the whole process of welding the box, the automation degree of welding the box and the efficiency of welding the box are greatly improved, and the welding precision is also improved.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:

FIG. 1 is a schematic top view of a tank welding system according to one embodiment of the present invention;

FIG. 2 is a schematic perspective view of the welding fixture in FIG. 1;

FIG. 3 is a schematic top view of the welding fixture of FIG. 2;

FIG. 4 is a schematic perspective view of the first positioner of FIG. 1;

FIG. 5 is a schematic perspective view of the outer welding device and the second positioner of FIG. 1;

FIG. 6 is a schematic perspective view of the jaw assembly of FIG. 5;

fig. 7 is a schematic perspective view of the case carrier and the traveling carriage of fig. 1.

Reference numerals illustrate:

100. Positioning welding tool

101. Bottom plate magnetic attraction piece of bottom plate positioning bracket 102

103. Side vertical plate magnetic attraction piece of side vertical plate positioning bracket 104

105. Neutral plate magnetic attraction piece of neutral plate positioning bracket 106

107. Second spacing adjustment mechanism 108 plate end positioning member

109. First interval adjusting mechanism

200. First positioner

201. First overturning supporting frame

300. Turnover clamping mechanism

301. Clamping assembly 302 backer

303. Bearing piece

400. Second positioner

401. Second overturning supporting frame

500. Welding clamping mechanism

501. Longitudinal hydraulic clamping jaw of clamping jaw assembly 5011

5012. Transverse hydraulic clamping jaw

600. External welding device

601. Six-axis welding robot with three-axis driving mechanism 602

700. Box carrier

701. Box magnetic attraction piece

800. First track

900. Movable trolley

901. Second track of parent car 9011

902 Sub-cart 903 lifting platform

Detailed Description

The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without collision.

In the present invention, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the positional relationship of the various components with respect to one another in the vertical, vertical or gravitational directions.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The invention firstly provides a box welding system.

In one embodiment, referring to fig. 1 to 7, the case welding system includes a fixed-position welding tool 100, a first positioner 200, a second positioner 400, an external welding device 600, and a case carrier 700, where the fixed-position welding tool 100 is used for positioning a plate to be welded, the first positioner 200 is located at one side of the fixed-position welding tool 100 and has a first turning support 201 capable of turning around a first turning axis, a first support surface of the first turning support 201 facing the first turning axis is provided with a turning clamping mechanism 300, the turning clamping mechanism 300 is used for clamping a welded case, the second positioner 400 has a second turning support 401 capable of turning around the second turning axis, the second turning support 401 is provided with a welding clamping mechanism 500 on a second support surface facing the second turning axis, the welding clamping mechanism 500 is used for clamping the welded case, the external welding device 600 is located at one side of the second positioner 400 and is used for welding a welded seam of the welded case clamped on the second turning support 401, the case carrier is provided with a case carrier surface capable of moving right below the second turning support 401, and the case carrier 700 is located right below the second turning support surface, and the case carrier is located right below the second turning support surface of the second positioning support surface.

In the case welding system of this embodiment, the plate to be welded is positioned by the positioning welding fixture 100, so that manual spot welding positioning is facilitated, the case formed after positioning welding can be clamped on the first position changing machine 200, then the case formed after positioning welding on the first position changing machine 200 is transported and clamped on the second position changing machine 400 by carrying the case carrying piece 700, the outer welding device 600 welds the welding seam of the case formed after positioning welding clamped on the second position changing machine 400, and the second position changing machine 400 can drive the case to rotate to match with the outer welding device 600 in the welding process, so that the positioning, running and outer welding are all automatically operated by the device in the whole process of case welding, the automation degree of case welding and the case welding efficiency are greatly improved, and the welding precision is also improved.

Specifically, the operation process of the box welding system is as follows:

Positioning a plate body required by welding on a positioning welding tool 100, and positioning by manual spot welding; after the spot welding is finished, the welded box body is clamped on the overturning clamping mechanism 300 on the first overturning supporting frame 201 of the first positioner 200 in a lifting mode, the welded box body is driven by the first overturning supporting frame 201 to overturn, the box body carrying member 700 moves to a first position, so that the box body bearing surface is supported under the welded box body, the overturning clamping mechanism 300 loosens the clamping of the welded box body, the box body carrying member 700 can bear the welded box body and move to a second position, meanwhile, the second overturning supporting frame 401 of the second positioner 400 overturns, so that the welding clamping mechanism 500 on the second supporting surface is opposite to the welded box body on the box body carrying member 700, the welded box body on the box body carrying member 700 is clamped by the welding clamping mechanism 500, the box body carrying member 700 is moved out after the clamping is finished, at the moment, the second overturning supporting frame 401 rotates to drive the box body to rotate so as to match with the outer welding device 600 to weld the welded seam of the welded box body, the outer welding is finished, and the outer box body can be carried out again through the box body carrying member 700.

It should be noted that, the first positioner 200 and the second positioner 400 are devices with workpiece turning functions, which are known to those skilled in the art, and are not essential for improvement of the present invention, and therefore, specific structures and working principles thereof are not described herein.

In one embodiment, referring to fig. 2 and fig. 3, the welding fixture 100 includes a bottom plate positioning bracket 101 and two side vertical plate positioning brackets 103, the bottom plate positioning bracket 101 has a horizontal positioning surface, the horizontal positioning surface is provided with a bottom plate magnetic attraction member 102, the two side vertical plate positioning brackets 103 are arranged at intervals on two sides of the horizontal positioning surface in the transverse direction and respectively have first vertical positioning surfaces which are oppositely arranged, the two first vertical positioning surfaces are all located above the horizontal positioning surface and respectively provided with a side vertical plate magnetic attraction member 104, and the same ends of the two first vertical positioning surfaces in the longitudinal direction of the horizontal positioning surface are respectively provided with a plate end positioning member 108.

Because the bottom plate magnetic attraction piece 102 and the side vertical plate magnetic attraction piece 104 both have magnetic attraction capability, in the process of actual positioning welding, one ends of the two side vertical plates are firstly abutted against plate end positioning pieces 108 of the horizontal positioning surfaces of the two bottom plate positioning brackets 101 respectively, the two horizontal positioning surfaces are positioned by the adsorption force of the side vertical plate magnetic attraction piece 104 respectively, then the two side vertical plates are used as reference, the bottom plate is positioned on the horizontal positioning surfaces of the bottom plate positioning brackets 101 by the adsorption force of the bottom plate magnetic attraction piece 102, so that the bottom plate and the two side vertical plates can be positioned rapidly, after the spot welding positioning of the joint between the bottom plate and the side vertical plates is completed, the top plate can be covered on the top edges of the two side vertical plates, and then the spot welding of the joint between the top plate and the side vertical plates is performed. Therefore, the positioning welding tool 100 is used for positioning the plate, so that the positioning welding operation can be effectively simplified, the positioning welding efficiency is improved, and meanwhile, the positioning accuracy is improved.

In order to ensure the applicability of the side riser positioning bracket 103 and the reliability of positioning, the side riser positioning bracket 103 may include a base and a plurality of positioning risers, the base extends along the longitudinal direction of the horizontal positioning surface, the plurality of positioning risers are fixedly disposed on the base along the longitudinal direction of the horizontal positioning surface at intervals, the side surfaces of the plurality of positioning risers jointly form the first vertical positioning surface of the side riser positioning bracket 103, and a plurality of side riser magnetic attraction pieces 104 arranged along the vertical direction intervals are disposed on the side surface of each positioning riser facing the bottom plate positioning bracket 101.

In order to ensure the applicability and positioning reliability of the bottom plate positioning bracket 101, the bottom plate positioning bracket 101 may include a plurality of positioning strips arranged side by side along the transverse direction of the horizontal positioning surface, the top surfaces of the plurality of positioning strips together form the horizontal positioning surface of the bottom plate positioning bracket 101, and the top surface of each positioning strip is provided with a plurality of bottom plate magnetic attraction pieces 102 arranged at intervals along the longitudinal direction of the horizontal positioning surface.

Specifically, the side riser magnet 104 and the base plate magnet 102 may be electromagnets or permanent magnets.

In one embodiment, referring to fig. 2 and 3, the welding fixture 100 further includes a first spacing adjustment mechanism 109, where the first spacing adjustment mechanism 109 is configured to drive the two side riser locating brackets 103 to move toward or away from each other to adjust the spacing between the two side riser locating brackets 103. So set up, the interval between two side riser locating support 103 can be adjusted according to the interval (i.e. the width of box) between the two side risers of the box of required welded, through this for the welding fixture 100 is applicable to the welding of the location of the box of multiple different width specifications.

Specifically, the first pitch adjustment mechanism 109 may include a screw driving mechanism and a driving motor, where the screw driving mechanism includes a driving screw and two driving nuts respectively sleeved on the driving screw, the driving motor is in driving connection with the driving screw, the two driving nuts are respectively connected with the two side vertical plate positioning brackets 103, and the driving screw is driven to rotate to drive the two driving nuts to move in opposite directions or in opposite directions, so as to drive the two side vertical plate positioning brackets 103 to move in opposite directions or in opposite directions.

In one embodiment, referring to fig. 2 and fig. 3, the welding fixture 100 further includes two neutral plate positioning brackets 105, where the two neutral plate positioning brackets 105 are disposed at intervals on two sides of the horizontal positioning surface in the longitudinal direction, the two neutral plate positioning brackets 105 respectively have second vertical positioning surfaces that are coplanar with each other and parallel to the first vertical positioning surface, and the two second vertical positioning surfaces are located above the horizontal positioning surface and are respectively provided with a neutral plate magnetic attraction member 106.

It will be appreciated that some box structures, such as fixed legs of an automotive crane, have a neutral plate parallel to the side risers at intermediate locations within the box. The welding fixture 100 of the present embodiment includes the neutral plate positioning brackets 105, and in the actual welding process, both ends of the neutral plate can be positioned on the second vertical positioning surfaces of the two neutral plate positioning brackets 105 through the magnetic attraction force of the neutral plate magnetic attraction member 106. By the arrangement, the positioning welding tool 100 can be suitable for positioning welding of the box body with the neutral plate, and has good applicability.

In order to ensure the applicability and positioning reliability of the neutral plate positioning bracket 105, the neutral plate positioning bracket 105 includes a positioning riser, the side surface of which constitutes a second vertical positioning surface, and is provided with a plurality of neutral plate magnetic attraction pieces 106 arranged at intervals in the vertical direction.

Specifically, the neutral plate magnet 106 may be an electromagnet or a permanent magnet.

In one embodiment, referring to fig. 2 and 3, the welding fixture 100 further includes a second spacing adjustment mechanism 107, where the second spacing adjustment mechanism 107 is configured to drive the two neutral plate positioning brackets 105 to move toward or away from each other to adjust the spacing between the two neutral plate positioning brackets 105. So set up, the interval between two neutral plate locating brackets 105 can be adjusted according to the length of the neutral plate of the box that needs the welding (i.e. the length of box), through this, makes the welding frock 100 be applicable to the welding of the location of the box of multiple different length specifications.

Specifically, the second pitch adjustment mechanism 107 may include two sets of screw transmission mechanisms and two driving motors, where each set of screw transmission mechanism includes a transmission screw and a transmission nut sleeved on the transmission screw, the two driving motors are respectively in transmission connection with the transmission screws of the two sets of screw transmission mechanisms, the transmission nuts of the two sets of screw transmission mechanisms are respectively connected with the two neutral plate positioning brackets 105, and the two driving motors are in communication connection with each other, so as to respectively and synchronously drive the transmission screws of the two sets of screw transmission mechanisms to synchronously and reversely rotate, thereby driving the transmission nuts of the two sets of screw transmission mechanisms to move in opposite directions or in opposite directions, and thus driving the two neutral plate positioning brackets 105 to move in opposite directions or in opposite directions.

In one embodiment, referring to fig. 4, the turning clamping mechanism 300 includes two clamping assemblies 301, a clamping driving assembly and a backup pad 302, where the two clamping assemblies 301 are respectively disposed on one side edge of the first supporting surface in the width direction and are disposed at intervals along the length direction of the first supporting surface, the two clamping assemblies 301 are respectively formed with clamping openings and can move in opposite directions or back directions under the driving of the clamping driving assembly, the two clamping openings are disposed opposite to each other and are parallel to the first supporting surface, and the backup pad 302 is fixedly disposed on one side edge of the first supporting surface in the width direction and is located between the two clamping assemblies 301.

In the process of clamping the welded box on the first positioner 200, the two clamping assemblies 301 are driven to move back through the clamping driving assemblies so as to leave enough box placement space between the two clamping assemblies 301, then the welded box is placed in the box placement space between the two clamping assemblies 301, the side vertical plates and the top plate of the box are respectively abutted against the first supporting surface and the backup 302, and finally the two clamping assemblies 301 are driven to move back through the clamping driving assemblies, so that the two ends of the side vertical plates, abutted against the first supporting surface, of the box are respectively clamped into the clamping openings of the two clamping assemblies 301 to be clamped, and the clamping of the box on the first positioner 200 is completed.

Specifically, the first overturning supporting frame 201 is sleeved with two slidable clamping sliding seats, the two clamping assemblies 301 are respectively arranged on the two clamping sliding seats, the clamping driving assembly comprises a driving motor and a transmission mechanism, the driving motor is in transmission connection with the two clamping sliding seats through the transmission mechanism, so that the two clamping sliding seats can be driven to slide oppositely or back to realize opposite or back movement of the two clamping assemblies 301, and the transmission mechanism can adopt a transmission mechanism such as a rack and pinion transmission mechanism, a screw transmission mechanism and the like.

Specifically, the clamping assembly 301 includes two clamping blocks fixedly mounted on the clamping slide base, and clamping ends of the two clamping blocks are spaced apart in a direction perpendicular to the first support surface, thereby forming a clamping opening parallel to the first support surface.

Specifically, an abutment surface of the backup 302 for abutment of the case may be provided with a plurality of elastic buffers such as rubber pads.

In one embodiment, referring to fig. 3, the turnover clamping mechanism 300 further includes a supporting member 303, and the supporting member 303 and the back support 302 are arranged side by side in the width direction of the first supporting surface. So set up, bearing 303 can hold in the palm the box from first holding surface to the clamping mouth of two clamping assembly 301 is blocked respectively at the both ends of the side riser that the box supported on first holding surface in the clamping process, in addition, also plays the effect of buffering box to first upset support frame 201 impact.

Specifically, the supporting surface of the supporting member 303 may be provided with a plurality of elastic cushioning members such as rubber pads.

In one embodiment, referring to fig. 5 and 6, the welding clamping mechanism 500 includes two clamping jaw assemblies 501 and a clamping jaw driving assembly, the two clamping jaw assemblies 501 are respectively arranged along the length direction of the second supporting surface at intervals, the two clamping jaw assemblies 501 respectively include a longitudinal hydraulic clamping jaw 5011 and a transverse hydraulic clamping jaw 5012, the longitudinal clamping openings formed by the two longitudinal hydraulic clamping jaws 5011 are respectively arranged oppositely and perpendicular to the second supporting surface, the transverse clamping openings formed by the two transverse hydraulic clamping jaws 5012 are respectively arranged oppositely and parallel to the second supporting surface, and the clamping jaw driving assembly is used for driving the two clamping jaw assemblies 501 to move oppositely or back to back.

In the process of clamping the welded box on the second positioner 400, the two clamping jaw assemblies 501 are driven to move back through the clamping jaw driving assembly, so that enough box placement space is reserved between the two clamping jaw assemblies 501, the box is placed in the box placement space between the two clamping jaw assemblies 501, the side vertical plate of the box is abutted against the second supporting surface of the second overturning supporting frame 401, and finally the two clamping jaw assemblies 501 are driven to move back through the clamping jaw driving assembly, so that the lateral vertical plate and the bottom plate of the box are respectively clamped by the lateral hydraulic clamping jaw 5012 and the longitudinal hydraulic clamping jaw 5011 of the two clamping jaw assemblies 501, and the clamping of the box on the second positioner 400 is completed.

Specifically, the second overturning supporting frame 401 is sleeved with two slidable jaw sliding seats, the two jaw assemblies 501 are respectively arranged on the two jaw sliding seats, the jaw driving assembly comprises a driving motor and a transmission mechanism, the driving motor is in transmission connection with the two jaw sliding seats through the transmission mechanism, so that the two jaw sliding seats can be driven to slide oppositely or back to realize opposite or back movement of the two jaw assemblies 501, and the transmission mechanism can adopt a transmission mechanism such as a rack and pinion transmission mechanism, a screw transmission mechanism and the like.

Specifically, in each jaw assembly 501, the longitudinal hydraulic jaw 5011 includes a fixed jaw finger, a movable jaw finger, and a hydraulic driving member, the gripping ends of the fixed jaw finger and the movable jaw finger are arranged at intervals in a direction parallel to the second supporting surface, so as to form a longitudinal jaw perpendicular to the second supporting surface, and the gripping ends of the movable jaw finger can move in a direction away from or close to the gripping ends of the fixed jaw finger under the driving of the hydraulic driving member, so as to realize the gripping or releasing gripping operation; similarly, the lateral hydraulic clamping jaw 5012 also includes a fixed clamping finger, a movable clamping finger, and a hydraulic driving member, the clamping ends of the fixed clamping finger and the movable clamping finger are arranged at intervals along the direction perpendicular to the second supporting surface, so as to form a lateral clamping opening parallel to the second supporting surface, and the movable clamping finger can move in the direction away from or close to the clamping end of the fixed clamping finger under the driving of the hydraulic driving member, so as to realize the clamping or unclamping operation.

In one embodiment, referring to fig. 5, the outer welding apparatus 600 includes a three-axis driving mechanism 601 and a six-axis welding robot 602, and the six-axis welding robot 602 is disposed at an execution end of the three-axis driving mechanism and is capable of moving above the second flipping supporting frame 401 under the driving of the three-axis driving mechanism 601.

It can be appreciated that, by combining the six-axis welding robot 602 and the three-axis driving mechanism 601, the operation angle and range of the welding gun of the six-axis welding robot 602 are greatly improved, and the welding requirements of various welding seams of the box body can be met, so that the welding efficiency is greatly improved.

Specifically, the triaxial driving mechanism 601 includes an X-axis driving portion, a Y-axis driving portion, and a Z-axis driving portion. An X-axis driving portion is provided on one side of the second positioner 400, a Y-axis driving portion is provided on the X-axis driving portion, a Z-axis driving portion is provided on the Y-axis driving portion, and a six-axis welding robot 602 is provided on the Z-axis driving portion. So set up, six welding robot 602 can follow three mutually perpendicular directions of XYZ and remove in a flexible way under the drive of triaxial actuating mechanism 601 for the welder operation angle that sets up at the execution terminal is very nimble in combination with self multiaxis structure.

In one embodiment, referring to fig. 1 and 7, the box welding system further includes a first rail 800 and a traveling carriage 900, both ends of the first rail 800 extend to the first positioner 200 and the second positioner 400, respectively, the traveling carriage 900 includes a mother car 901, a child car 902, and a lifting platform 903, the mother car 901 is disposed on the first rail 800 and can move along the first rail 800, the mother car 901 is disposed on the second rail 9011 and can move along the second rail 9011, the lifting platform 903 is disposed on the child car 902 in a liftable manner; the pod carrier 700 is disposed on the lift platform 903.

Specifically, the lifting platform 903 and the sub-cart 902 may be connected by a scissor lifting mechanism, so that the lifting platform 903 is driven by the scissor lifting mechanism to perform lifting motion relative to the sub-cart 902.

In practical application, the mother car 901 can be moved to a position adjacent to the first positioner 200 or the second positioner 400, and then the sub car 902 drives the box carrier 700 to extend out of the mother car 901, so that the box carrier 700 is located under the first turning support 201 of the first positioner 200 or the second turning support 401 of the second positioner 400, and the height of the box carrier 700 is adjusted by the lifting platform 903, so that loading and unloading of the box can be realized.

In particular, the mobile cart 900 may be an RGV cart.

In one embodiment, the positioning member comprises a case magnet 701. So arranged, the case can be attracted to the case carrying surface of the case carrier 700 by the attraction force of the case magnetic attraction member 701, so that the case on the case carrying surface is kept in position during the movement of the case carrier 700.

Specifically, the case magnet 701 may be an electromagnet or a permanent magnet.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.

Claims (11)

1. A tank welding system, the tank welding system comprising:

a positioning welding tool (100) for positioning the plate to be welded;

The first positioner (200) is positioned at one side of the positioning welding tool (100) and provided with a first overturning support frame (201) capable of overturning around a first overturning axis, a first support surface of the first overturning support frame (201) facing the first overturning axis is provided with an overturning clamping mechanism (300), and the overturning clamping mechanism (300) is used for clamping the box body subjected to positioning welding;

The second positioner (400) is provided with a second overturning support frame (401) capable of overturning around a second overturning axis, a welding clamping mechanism (500) is arranged on a second support surface of the second overturning support frame (401) facing the second overturning axis, and the welding clamping mechanism (500) is used for clamping the box body subjected to the positioning welding;

The outer welding device (600) is positioned at one side of the second positioner (400) and is used for welding the welding seam of the box body clamped on the second overturning supporting frame (401) after the positioning welding;

The box carrying piece (700) is provided with a box carrying surface, a locating piece capable of locating the box after the positioning welding is arranged on the box carrying surface, the box carrying piece (700) can move between a first position and a second position, the box carrying surface is located under the first overturning supporting frame (201) in the first position, and the box carrying surface is located under the second overturning supporting frame (401) in the second position.

2. The tank welding system of claim 1, wherein the tack weld tool (100) comprises:

The bottom plate positioning bracket (101) is provided with a horizontal positioning surface, and the horizontal positioning surface is provided with a bottom plate magnetic attraction piece (102);

The two side vertical plate positioning brackets (103), the two side vertical plate positioning brackets (103) are arranged at intervals on two sides of the horizontal positioning surface in the transverse direction, and are respectively provided with first vertical positioning surfaces which are arranged oppositely, the two first vertical positioning surfaces are all located above the horizontal positioning surface, side vertical plate magnetic attraction pieces (104) are respectively arranged, and the same ends of the two first vertical positioning surfaces in the longitudinal direction of the horizontal positioning surface are respectively provided with plate end positioning pieces (108).

3. The tank welding system according to claim 2, wherein the welding fixture (100) further comprises a first spacing adjustment mechanism (109), and the first spacing adjustment mechanism (109) is configured to drive the two side stand positioning brackets (103) to move toward or away from each other so as to adjust a spacing between the two side stand positioning brackets (103).

4. The welding system of claim 2, wherein the welding fixture (100) further comprises two neutral plate positioning brackets (105), the two neutral plate positioning brackets (105) are arranged at intervals on two sides of the horizontal positioning surface in the longitudinal direction, the two neutral plate positioning brackets (105) respectively have second vertical positioning surfaces which are coplanar with each other and parallel to the first vertical positioning surface, and the two second vertical positioning surfaces are both positioned above the horizontal positioning surfaces and are respectively provided with a neutral plate magnetic attraction piece (106).

5. The tank welding system of claim 4, wherein the tack welding tool (100) further comprises a second spacing adjustment mechanism (107), the second spacing adjustment mechanism (107) being configured to drive the two neutral plate positioning brackets (105) to move toward or away from each other to adjust the spacing between the two neutral plate positioning brackets (105).

6. The tank welding system of claim 1, wherein the turn-over clamping mechanism (300) comprises:

The two clamping assemblies (301) and the clamping driving assembly are respectively arranged on one side edge of the first supporting surface in the width direction and are arranged at intervals along the length direction of the first supporting surface, the two clamping assemblies (301) are respectively provided with clamping openings and can move oppositely or back to each other under the driving of the clamping driving assembly, and the two clamping openings are oppositely arranged and are parallel to the first supporting surface;

And a backup (302) fixedly arranged on one side of the first supporting surface in the width direction and positioned between the two clamping assemblies (301).

7. The tank welding system according to claim 6, wherein the turn-over chuck (300) further comprises a bearing (303), the bearing (303) and the backup (302) being arranged side by side in a width direction of the first support surface.

8. The tank welding system of claim 1, wherein the welding clamping mechanism (500) comprises:

the clamping jaw assembly comprises two clamping jaw assemblies (501), wherein the two clamping jaw assemblies (501) are arranged at intervals along the length direction of a second supporting surface, the two clamping jaw assemblies (501) comprise longitudinal hydraulic clamping jaws (5011) and transverse hydraulic clamping jaws (5012) respectively, longitudinal clamping openings formed by the longitudinal hydraulic clamping jaws (5011) are oppositely arranged and perpendicular to the second supporting surface, and transverse clamping openings formed by the transverse hydraulic clamping jaws (5012) are oppositely arranged and parallel to the second supporting surface.

And the clamping jaw driving assembly is used for driving the two clamping jaw assemblies (501) to move towards or away from each other.

9. The tank welding system according to claim 1, wherein the outer welding device (600) comprises:

A three-axis drive mechanism (601);

and the six-axis welding robot (602) is arranged at the execution tail end of the three-axis driving mechanism and can move above the second overturning supporting frame (401) under the driving of the three-axis driving mechanism (601).

10. The tank welding system of claim 1, wherein the tank welding system further comprises:

A first rail (800) having two ends extending to the first positioner (200) and the second positioner (400), respectively;

The mobile trolley (900) comprises a parent trolley (901), a child trolley (902) and a lifting platform (903), wherein the parent trolley (901) is arranged on the first rail (800) and can move along the first rail (800), a second rail (9011) perpendicular to the first rail (800) is arranged on the parent trolley (901), the child trolley (902) is arranged on the second rail (9011) and can move along the second rail (9011) so as to extend out of the parent trolley (901), and the lifting platform (903) is arranged on the child trolley (902) in a lifting manner;

the box carrier (700) is arranged on the lifting platform (903).

11. The tank welding system of claim 10, wherein the positioning member comprises a tank magnet (701).