CN109623189B - Assembling and welding device between cylinder sections - Google Patents
Assembling and welding device between cylinder sections Download PDFInfo
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- CN109623189B CN109623189B CN201910000912.1A CN201910000912A CN109623189B CN 109623189 B CN109623189 B CN 109623189B CN 201910000912 A CN201910000912 A CN 201910000912A CN 109623189 B CN109623189 B CN 109623189B
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- shell ring
- lower shell
- upper shell
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- supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The invention provides a pairing welding device between shell sections, which comprises: the device comprises an internal support type lifting appliance, a welding robot and an internal support type tool; the inner supporting type lifting appliance is arranged above the inner supporting type tool and used for jacking and pressing the inner wall of the lower shell ring or the upper shell ring to support and fix the lower shell ring or the upper shell ring in a circle and hoisting the lower shell ring or the upper shell ring; the inner supporting type tool is used for fixing the lower shell ring and the upper shell ring and driving the lower shell ring and the upper shell ring to rotate, and is provided with a lifting type guide mechanism which extends upwards from the interior of the lower shell ring to guide the falling of the upper shell ring and support the upper shell ring and the lower shell ring into a circle; the welding robot is arranged on one side of the internal support type tool and is used for welding the circumferential weld between the lower shell ring and the upper shell ring. The invention realizes mechanization, the lifting guide mechanism guides the falling of the upper shell ring to support the circle of the upper shell ring and the lower shell ring, the circular seam does not need to be found by climbing on a workbench, the labor intensity of workers is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of assembly welding, in particular to a device for assembly welding between shell sections.
Background
The sanitary storage tank is used for storing beverage, beer and the like with certain sanitary requirements, and has the common characteristics of thinner thickness and poor rigidity as a manufacturing difficulty. Meanwhile, the surface is required to be smooth and clean, the cleaning is easy, no sanitary dead angle exists, and the stainless steel is adopted in a large quantity for manufacturing.
The container generally comprises a seal head, a cylinder section or a cylinder body and the like. The container with shorter length can be directly connected with the end sockets at two ends of a cylinder to form a closed container space, and a container shell is also manufactured. However, when the container is longer, due to the limitation of the width dimension of the steel plate, a plurality of sections of the cylinder (a certain section of the cylinder is called a cylinder section) are required to be welded by the steel plate in a rolling way, and then the cylinder with the required length is formed by assembling and welding two or more cylinder sections. The connecting weld seams between the shell ring and between the cylinder body or the shell ring and the end seal head are called circumferential weld seams, which are called circumferential weld seams for short, because the direction of the connecting weld seams is vertical to the axial direction of the cylinder body.
Due to rigidity, the common hoisting mode is difficult, the clamping mode cannot be directly adopted when surface protection is needed, and the hoisting mode is difficult due to poor rigidity.
Disclosure of Invention
In view of this, the invention provides a device for assembling and welding between shell sections, and aims to solve the problems that the existing shell sections are difficult to assemble and difficult to hoist.
The invention provides a device for assembling and welding cylinder sections, which comprises: the device comprises an internal support type lifting appliance, a welding robot and an internal support type tool; the inner supporting type lifting appliance is arranged above the inner supporting type tool and used for jacking and pressing the inner wall of the lower shell ring or the upper shell ring to support and fix the lower shell ring or the upper shell ring in a circle and hoisting the lower shell ring or the upper shell ring; the inner supporting type tool is used for fixing the lower shell ring and the upper shell ring and driving the lower shell ring and the upper shell ring to rotate, and a lifting type guide mechanism is arranged on the inner supporting type tool, extends upwards from the inner part of the lower shell ring to guide the falling of the upper shell ring and support the upper shell ring and the lower shell ring to form a circle, so that alignment is guaranteed without staggered edges; the welding robot set up in one side of internal stay formula frock, be used for right lower shell ring with go up the girth welding between the shell ring.
Further, above-mentioned group is to welding set between shell ring, interior supporting formula frock still includes: the lifting device comprises a rotary supporting platform, a lifting driving piece and a guide bracket; the rotary supporting platform is used for supporting the lower shell ring and driving the lower shell ring to rotate, and a through hole is formed in the rotary supporting platform; the first end of the guide support is connected with the lifting driving piece, and the second end of the guide support is connected with the lifting guide mechanism; the lifting driving piece is arranged below the rotary supporting platform and used for driving the guide support to move up and down along the through hole so as to drive the lifting guide mechanism to move to the position of a circumferential weld between the lower shell ring and the upper shell ring.
Furthermore, the welding device is assembled between the shell sections, and an inner circle supporting mechanism is arranged on the rotary supporting platform and used for supporting the lower shell section in a circle mode so that the lower shell section is fixed to the rotary supporting platform.
Further, above-mentioned inter-cylinder-section group butt welding device, the internal rounding mechanism includes: the circle supporting driving part, the plurality of driving parts and the circle supporting parts are arranged in one-to-one correspondence with the driving parts; the circle supporting driving part is connected with the transmission part and used for driving the transmission part to drive the circle supporting part corresponding to the transmission part to reciprocate along the radial direction of the rotary supporting platform so as to force the lower shell ring to be rounded.
Furthermore, the welding device is assembled between the cylinder sections, the transmission part is a ball screw pair, and the round supporting part is connected with a ball nut of the ball screw pair.
Furthermore, the number of the lifting type guide mechanisms of the welding device is at least three, and the lifting type guide mechanisms are distributed in a scattering manner along the circumferential direction of the rotary supporting platform.
Further, above-mentioned group is to welding set between shell ring, interior supporting formula frock still includes: a guiding telescopic driving member; the guiding telescopic driving piece is connected with the lifting type guiding mechanism and used for driving the lifting type guiding mechanism to reciprocate along the radial direction of the rotary supporting platform so as to round the upper shell ring and the lower shell ring.
Further, above-mentioned group is to welding set between shell ring, internal stay formula hoist includes: the lifting appliance comprises a lifting appliance bracket, a plurality of telescopic driving pieces and circle supporting friction pieces which are arranged in one-to-one correspondence with the telescopic driving pieces; the telescopic driving piece is arranged in a scattering manner along the circumferential direction of the lifting appliance support; one end of the telescopic driving piece is connected with the lifting appliance support, the other end of the telescopic driving piece is connected with the rounding friction piece, and the telescopic driving piece is used for driving the rounding friction piece to move along the radial direction of the lifting appliance support, so that the rounding friction piece can force the lower shell ring or the upper shell ring to round, and the rounding friction piece can be used for hoisting the lower shell ring or the upper shell ring through friction between the lower shell ring and the upper shell ring.
Furthermore, the cylinder sections are assembled and welded with each other, the rounding friction piece is of an arc-shaped sheet structure, and a friction layer is coated on the outer wall of the rounding friction piece.
Further, the welding device is assembled between the cylinder sections, and a hanger hook is arranged on the hanger bracket.
According to the inter-shell ring assembly welding device, the lower shell ring or the upper shell ring is circularly supported and hoisted through the internal support type hoisting tool, compared with manual operation in the prior art, the forward and backward movement of the lower shell ring and the upper shell ring is not hoisted by a crane any more, the labor intensity is greatly reduced, the problem of difficulty in hoisting thin-wall parts is solved, the production efficiency of assembly welding is improved, and the production safety is improved; the lower shell ring rotates through the internal support type lifting appliance, so that mechanization is realized; fix and drive lower shell ring and last shell ring rotation through internal stay formula frock to lower shell ring to welding robot welds the girth between lower shell ring and the last shell ring, so that realize mechanized production. Especially, the over-and-under type guiding mechanism who sets up on the internal stay formula frock upwards stretches out from lower shell ring inside to guide the whereabouts of last shell ring, and prop the circle to last shell ring and lower shell ring, further reduce the unfitness of butt joint between the two, the workman need not to climb to the workstation again and seeks the girth joint, only needs operating button can accomplish the group of shell ring down and weld, further reduces workman's intensity of labour, improves production efficiency.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a welding device for assembly and welding between cylindrical sections according to an embodiment of the present invention;
FIG. 2 is a front view of a fitting-to-fitting welding apparatus between shell rings according to an embodiment of the present invention;
FIG. 3 is a side view of a shell ring assembly welding apparatus provided in accordance with an embodiment of the present invention;
FIG. 4 is a top view of a cartridge segment welding assembly provided in accordance with an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an internal bracing spreader according to an embodiment of the present invention;
fig. 6 is a front view of an internal bracing spreader according to an embodiment of the present invention;
fig. 7 is a side view of an internal bracing spreader according to an embodiment of the present invention;
fig. 8 is a top view of an internal bracing spreader according to an embodiment of the present invention;
fig. 9 is a schematic structural view of an inner supporting tool according to an embodiment of the present invention;
fig. 10 is a front view of an inner supporting tool according to an embodiment of the present invention;
FIG. 11 is a side view of an inner support fixture provided in accordance with an embodiment of the present invention;
fig. 12 is a top view of an inner supporting tool according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 4, schematic structural diagrams of a barrel section assembly welding device according to an embodiment of the present invention are shown. As shown, the pair of welding devices includes: the welding robot comprises an internal support type lifting appliance 1, a welding robot 2 and an internal support type tool 3; the inner supporting type lifting appliance 1 is arranged above the inner supporting type tool 3 and used for jacking the inner wall of the lower shell ring or the upper shell ring to support the lower shell ring or the upper shell ring to be round and fixed and lifting the lower shell ring or the upper shell ring. Specifically, the inner supporting type lifting appliance 1 is pressed against the inner wall of the lower shell ring or the upper shell ring so as to be attached to the inner wall of the lower shell ring or the upper shell ring, the rounding and fixing of the lower shell ring or the upper shell ring are completed, and then the movement of the inner supporting type lifting appliance 1 is controlled through the lifting appliance control system and the lifting appliance driving system so as to lift the lower shell ring or the upper shell ring onto the inner supporting type tool 3 or lift the lower shell ring or the upper shell ring onto other stations from the inner supporting type tool 3. It should be noted that the lower shell ring and the upper shell ring, i.e. the assembly in this embodiment, include not only shell rings, but also can be tank parts such as barrels.
With continued reference to fig. 1 to 4, the internal bracing tool 3 is used for fixing the upper shell ring and the lower shell ring and driving the upper shell ring and the lower shell ring to rotate, and the internal bracing tool 3 is provided with a lifting guide mechanism 31 which guides the falling of the upper shell ring and rounds the upper shell ring and the lower shell ring by extending upwards from the inside of the lower shell ring. Specifically, over-and-under type guiding mechanism 31 sets up on internal stay formula frock 3 with liftable formula to after the group is fixed to the subassembly promptly shell ring or barrel, through internal stay formula hoist 1 hoist upper segment hoist to group to the subassembly on to set up forward, over-and-under type guiding mechanism 31 rises to the top of group to the subassembly, so that lead upper segment, and then make upper segment fall to the tramp. Simultaneously, over-and-under type guiding mechanism 31 can prop the circle to last shell ring and lower shell ring and make upper and lower shell ring align to relatively fixed between the two, at first through welding robot 2 welding near over-and-under type guiding mechanism 31 position for example about each 10mm, the internal stay formula frock 3 that restarts again rotates about the drive upper and lower shell ring, and then welds the girth between last shell ring and the lower shell ring through welding robot 2. The lifting guide mechanism 31 may be a guide mechanism provided with a roller, and the roller may rotate along with the upper shell ring or the lower shell ring, so as to ensure that the alignment misalignment between the two shell rings is small near the welding gun.
With continued reference to fig. 1 to 4, the welding robot 2 is disposed at one side (the right side as shown in fig. 2) of the internal bracing tool 3, and is used for welding a circumferential weld between the lower shell ring and the upper shell ring. Specifically, the welding robot 2 includes a robot and a welding gun clamped at a robot clamping jaw, so that the welding gun is controlled by the robot to weld the circumferential weld between the upper shell ring and the lower shell ring, and the automatic control of the circumferential weld welding between the upper shell ring and the lower shell ring is realized.
Obviously, it can be understood that, in the welding device for assembly welding between shell rings provided by this embodiment, the lower shell ring or the upper shell ring is circularly supported and hoisted by the internal supporting type hoisting tool 1, compared with the manual operation in the prior art, the forward and backward movement of the lower shell ring and the upper shell ring is not hoisted by a crane any longer, so that the labor intensity is greatly reduced, the problem of difficulty in hoisting thin-wall parts is solved, the production efficiency of assembly welding is improved, and the production safety is improved; the lower shell ring rotates through the internal support type tool 3, so that mechanization is realized; fix and drive its rotation lower shell ring through internal stay formula frock 3 to welding robot 2 welds lower shell ring and the girth between the upper segment, so that realize mechanized production. Especially, the over-and-under type guiding mechanism 31 that sets up on the internal stay formula frock 3 upwards stretches out from lower shell ring inside to guide the whereabouts of last shell ring, and prop the circle to last shell ring and lower shell ring, further reduce the unfitness of butt joint between the two, the workman need not to climb to the workstation again and look for the circumferential weld, only needs operating button can accomplish the group of shell ring and weld down, further reduces workman's intensity of labour, improves production efficiency.
Referring to fig. 5 to 8, a preferred structure of the internal bracing spreader provided by the present embodiment is shown. Internal stay formula hoist 1 includes: the lifting appliance comprises a lifting appliance bracket 11, a plurality of telescopic driving pieces 12 and a rounding friction piece 13; wherein, the telescopic driving member 12 is disposed in a scattering manner along the circumferential direction of the hanger bracket 11. Specifically, the hanger bracket 11 is a cylindrical structure and is used for driving the inner supporting hanger 1 to integrally move or lift up and down along the bracket of the device, so as to realize the lifting and moving of the upper shell ring and the lower shell ring. Preferably, the spreader bracket 11 is provided with spreader hooks 111 for hanging to the bracket of the apparatus so as to allow the internal stay spreader 1 to move or lift up and down along the bracket. The telescopic driving member 12 is a plurality of linear servo electric cylinders which are arranged in a scattering manner along the circumferential direction of the hanger bracket 11 so as to distribute the circular friction members 13 along the circumferential direction of the hanger bracket 11. Preferably, the telescopic driving element 12 is uniformly arranged along the circumferential direction of the hanger bracket 11, so that the supporting circular friction element 13 is uniformly arranged along the circumferential direction of the hanger bracket 11, thereby ensuring the hoisting stability between the supporting circular friction element 13 and the upper shell ring or the lower shell ring, further avoiding the falling off of the upper shell ring or the lower shell ring during the hoisting process, and further improving the production safety.
With continued reference to fig. 5 to 8, one end of the telescopic driving element 12 is connected to the hanger bracket 11, and the other end is connected to the rounding friction element 13, and is configured to drive the rounding friction element 13 to reciprocate along the radial direction of the hanger bracket 11, so as to round the lower shell ring or the upper shell ring through the rounding friction element 13, and hoist the lower shell ring or the upper shell ring through the friction therebetween. Specifically, flexible driving piece 12 drive props the radial reciprocating motion of circle friction piece 13 along hoist support 11 to the outer wall that props circle friction piece 13 and the inner wall laminating of lower shell ring or last shell ring, in order to accomplish the circle of propping of lower shell ring or last shell ring and fixed, and then hoists lower shell ring or last shell ring through the friction that props between circle friction piece 13 and lower shell ring or the last shell ring, thereby with lower shell ring or last shell ring hoist to internal stay formula frock 3 on, or on removing to other stations from internal stay formula frock 3. In order to further increase the joint area between the outer wall of the rounding friction piece 13 and the inner wall of the lower barrel section or the upper barrel section, preferably, the rounding friction piece 13 is an arc-shaped sheet structure matched with the lower barrel section or the upper barrel section, so that the outer wall of the rounding friction piece 13 is completely attached to the inner wall of the lower barrel section or the upper barrel section; further preferably, the outer wall of the rounding friction piece 13 is coated with a friction layer, so as to improve the friction force between the outer wall of the rounding friction piece 13 and the inner wall of the lower cylindrical shell section or the upper cylindrical shell section, and further improve the hoisting stability of the lower cylindrical shell section or the upper cylindrical shell section.
Obviously, the inner supporting type lifting appliance 1 provided in this embodiment can realize the integral movement or lifting of the inner supporting type lifting appliance 1 through the lifting appliance bracket 11; the rounding friction piece 13 is driven by the telescopic driving piece 12 to reciprocate along the radial direction of the hanger bracket 11, so that the lower cylinder section or the upper cylinder section is forced to be rounded by the rounding friction piece 13, and the lower cylinder section or the upper cylinder section is hoisted by friction between the lower cylinder section and the upper cylinder section.
Referring to fig. 9 to 12, a preferred structure of the internal bracing tool provided in the present embodiment is shown. Interior stay formula frock 3 includes: the lifting guide mechanism 31, the rotary supporting platform 32, the lifting driving piece 33 and the guide bracket 34; the rotary supporting platform 32 is used for supporting the lower shell ring and driving the lower shell ring to rotate, and the rotary supporting platform 32 is provided with a through hole 321. Specifically, the rotary supporting platform 32 is a ring structure, and a rotary driving member (not shown) is connected to the rotary supporting platform 32 for driving the rotary supporting platform 32 to rotate, so as to drive the lower shell section and/or the upper shell section fixed on the rotary supporting platform 32 to rotate. In order to improve the stability of the rotation of the lower cylinder section and/or the upper cylinder section, it is preferable that the rotary supporting platform 32 is provided with an inner rounding mechanism 35 for rounding the lower cylinder section so as to fix the lower cylinder section to the rotary supporting platform, so that the lower cylinder section stably rotates along with the rotary supporting platform 32, and the stability of the assembly and welding of the lower cylinder section is ensured. Meanwhile, the elevation type guide mechanism 31 does not rotate with the rotation support platform 32.
With continued reference to fig. 9-12, a first end (lower end as viewed in fig. 9) of the guide bracket 34 is connected to the elevation driving member 33, and a second end (upper end as viewed in fig. 9) of the guide bracket 34 is connected to the elevation guide mechanism 31. Specifically, the guide bracket 34 is inserted into the through hole 321 and can move up and down along the through hole 321, so as to drive the lifting guide mechanism 31 to move up and down, thereby realizing the guiding and rounding when the upper barrel sections are paired. In order to ensure the accuracy of the falling position of the upper shell ring, it is preferable that the number of the lifting guide mechanisms 31 is at least three, and the lifting guide mechanisms are distributed in a scattering manner along the circumferential direction of the rotary support platform 32, so as to improve the accuracy of pairing and the roundness of the support circle. Further preferably, the elevating guide mechanisms 31 are uniformly distributed along the circumference of the rotary support platform 32. In order to avoid interference between the elevating guide mechanism 31 and the lower shell ring, it is preferable that the elevating guide mechanism 31 is connected with a guide telescopic driving member 36 for driving the elevating guide mechanism 31 to reciprocate along the radial direction of the rotary supporting platform 32 for rounding the upper shell ring and the lower shell ring while avoiding interference with the lower shell ring before or during the falling of the upper shell ring.
With continued reference to fig. 9 to 12, the lifting driving member 34 is disposed below the rotary supporting platform 32, and is used for driving the guiding bracket 33 to move up and down along the through hole 321, so as to drive the lifting guiding mechanism 31 to move to the circumferential weld position between the lower cylindrical section and the upper cylindrical section. Specifically, the lifting driving member 34 is a hydraulic cylinder so as to drive the guide bracket 33 to move up and down along the through hole 321, and further drive the lifting guide mechanism 31 to move to the circumferential weld position between the lower shell ring and the upper shell ring, so as to guide the falling of the upper shell ring and round the lower shell ring and the upper shell ring.
Obviously, the inner supporting type tooling 3 provided in this embodiment realizes the fixing and rotation of the lower cylindrical shell section through the rotary supporting platform 32, and drives the guiding support 33 to move up and down along the through hole 321 through the lifting driving member 32, so as to drive the lifting guiding mechanism 31 to move to the position of the girth joint between the lower cylindrical shell section and the upper cylindrical shell section, thereby improving the falling guiding and rounding of the upper cylindrical shell section by the lifting guiding mechanism 31. In particular, the lower cylinder section is rounded by the inner rounding mechanism 35 on the rotary supporting platform 32, so that the lower cylinder section is fixed on the rotary supporting platform, the lower cylinder section stably rotates along with the rotary supporting platform 32, and the stability of the lower cylinder section in welding is ensured.
With continued reference to fig. 9-12, the inner rounding mechanism 35 comprises: a circle-opening driving member (not shown), a plurality of driving members (not shown), and circle-opening members 351 corresponding to the driving members one by one; the circle supporting driving piece is connected with the transmission piece and used for driving the transmission piece to drive the corresponding circle supporting piece to move in a reciprocating mode so as to force the lower cylindrical section to be round-supported. Specifically, the circle supporting driving member is a servo motor, which drives the driving member to rotate, so as to drive the circle supporting member 351 to reciprocate along the radial direction of the rotary supporting platform 32 through the driving member, thereby realizing circle supporting and fixing of the lower cylindrical section. Preferably, the transmission member is a ball screw pair, and the rounding member 351 is connected to a ball nut of the ball screw pair, so that the rotation output by the rounding driving member is converted into a linear motion of the ball nut through the ball screw pair, thereby driving the rounding member 351 to reciprocate along the radial direction of the rotary supporting platform 32. The rounding member 351 may be a slider disposed on the ball nut. To facilitate the falling of the lower shell ring, the rounding member 351 is preferably provided with a guide slope to guide the falling of the lower shell ring.
Referring to fig. 1 to 12, the working process of the welding device provided in this embodiment by inter-shell ring assembly will now be described in detail by taking an inter-shell ring and inter-shell ring assembly as an example:
firstly, prop circle driving piece drive transmission spare and rotate, so that drive through the transmission spare and prop circle piece 351 and radially outwards remove to predetermineeing the position along rotation supporting platform 32, hoist support 11 drives interior supporting hoist 1 monolithic removal to lower shell ring in, and prop circle friction piece 13 and radially to keeping away from hoist support 11 department through flexible driving piece 12 drive and move along hoist support 11, so that it is fixed to prop circle friction piece 13 to lower shell ring, and hoist 1 whole with lower shell ring hoist to rotation supporting platform 32 in order to drive interior supporting hoist through drive hoist support 11, and lead its whereabouts through the direction slant on propping circle piece 351, simultaneously, prop circle piece 351 to prop its circle and fix. Then, the hanger bracket 11 drives the inner-supporting hanger 1 to integrally move into the upper cylindrical shell, and the telescopic driving piece 12 drives the rounding friction piece 13 to move in the radial direction of the hanger bracket 11 away from the hanger bracket 11, so that the rounding friction piece 13 rounds and fixes the upper cylindrical shell, and drives the hanger bracket 11 to integrally hoist the upper cylindrical shell to the upper side of the lower cylindrical shell, at this time, the lifting driving piece 33 drives the guide bracket 34 to move upwards along the through hole 321, so as to drive the lifting guide mechanism 31 to move to the upper side of the lower cylindrical shell, and the guiding telescopic driving piece 36 drives the lifting guide mechanism 31 to move in the radial direction of the rotating support platform 32, so as to guide the falling of the upper cylindrical shell hoisted by the inner-supporting hanger 1, and further ensure the accuracy of the pairing position between the lower cylindrical shell and the upper cylindrical shell; when the upper shell ring correctly falls onto the lower shell ring, the guiding telescopic driving piece 36 drives the lifting type guiding mechanism 31 to move along the radial direction of the rotary supporting platform 32 so as to be completely unfolded, namely, the lifting type guiding mechanism 31 is attached to the inner walls of the lower shell ring and the upper shell ring so as to tightly stretch the lower shell ring and the upper shell ring and realize the circle stretching of the lower shell ring and the upper shell ring. Finally, after welding a small section of the circumferential weld position of the lower shell ring and the upper shell ring by the welding robot 2, for example, about 10mm each near the lifting guide mechanism 31, the lower shell ring and the upper shell ring are driven to rotate by the rotating support platform 32, so that the circumferential weld between the lower shell ring and the upper shell ring is welded by the welding robot 2.
In summary, according to the inter-shell ring assembly welding device provided by the embodiment, the lower shell ring or the upper shell ring is circularly supported and hoisted by the internal support type hoisting tool 1, compared with the manual operation in the prior art, the forward and backward movement of the lower shell ring and the upper shell ring is not hoisted by a crane any more, so that the labor intensity is greatly reduced, the problem of difficulty in hoisting thin-wall parts is solved, the production efficiency of assembly welding is improved, and the production safety is improved; the lower shell ring rotates through the internal support type tool 3, so that mechanization is realized; fix and drive its rotation lower shell ring through internal stay formula frock 3 to welding robot 2 welds lower shell ring and the girth between the upper segment, so that realize mechanized production. Especially, the over-and-under type guiding mechanism 31 that sets up on the internal stay formula frock 3 upwards stretches out from lower shell ring inside to lead to the whereabouts of last shell ring, and prop the circle to last shell ring and lower shell ring, the roller is close to welding robot simultaneously, further reduces the unfitness of butt joint between the two, the workman need not to climb to the workstation again and goes to look for the circumferential weld, only need operating button can accomplish the group of shell ring and weld down, further reduce workman's intensity of labour, improve production efficiency.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a group is to welding set between shell ring, its characterized in that includes: the welding robot comprises an internal support type lifting appliance (1), a welding robot (2) and an internal support type tool (3); wherein the content of the first and second substances,
the inner supporting type lifting appliance (1) is arranged above the inner supporting type tool (3) and is used for jacking and pressing the inner wall of the lower shell ring or the upper shell ring to support and fix the lower shell ring or the upper shell ring in a circle and hoisting the lower shell ring or the upper shell ring;
the inner supporting type tool (3) is used for fixing the lower shell ring and the upper shell ring and driving the lower shell ring and the upper shell ring to rotate, and a lifting type guide mechanism (31) is arranged on the inner supporting type tool (3) and extends upwards from the inner part of the lower shell ring to guide the falling of the upper shell ring and support the upper shell ring and the lower shell ring;
the welding robot (2) is arranged on one side of the internal support type tool (3) and is used for welding a circumferential weld between the lower shell ring and the upper shell ring;
interior supporting formula frock (3) still includes: a rotary supporting platform (32), a lifting driving piece (33) and a guide bracket (34); wherein the content of the first and second substances,
the rotary supporting platform (32) is used for supporting the lower shell ring and driving the lower shell ring to rotate, and a through hole is formed in the rotary supporting platform (32);
the first end of the guide support (34) is connected with the lifting driving piece (33), and the second end of the guide support (34) is connected with the lifting guide mechanism (31);
the lifting driving piece (33) is arranged below the rotary supporting platform (32) and used for driving the guide support (34) to move up and down along the through hole so as to drive the lifting guide mechanism (31) to move to the position of the circumferential weld between the lower shell ring and the upper shell ring.
2. The inter-shell pair butt welding apparatus according to claim 1,
and an inner circle supporting mechanism (35) is arranged on the rotary supporting platform (32) and used for supporting the lower shell ring to enable the lower shell ring to be fixed to the rotary supporting platform (32).
3. The device for welding sets of shell-to-shell pairs according to claim 2, characterized in that said internal rounding means (35) comprise: the circle supporting driving part, a plurality of driving parts and circle supporting parts (351) which are arranged in one-to-one correspondence with the driving parts; wherein the content of the first and second substances,
the circle supporting driving piece is connected with the transmission piece and used for driving the transmission piece to drive the corresponding circle supporting piece (351) to reciprocate along the radial direction of the rotary supporting platform (32) so as to force the lower cylinder section to be rounded.
4. The inter-shell pair butt welding apparatus according to claim 3,
the transmission part is a ball screw pair, and the rounding part (351) is connected with a ball nut of the ball screw pair.
5. The inter-shell pair butt welding apparatus according to claim 1,
the number of the lifting guide mechanisms (31) is at least three, and the lifting guide mechanisms are distributed in a scattering manner along the circumferential direction of the rotary supporting platform (32).
6. The assembly welding device between shell ring of claim 1, characterized in that, interior supporting frock (3) still includes: a guided telescopic drive (36); wherein the content of the first and second substances,
the guiding telescopic driving piece (36) is connected with the lifting type guiding mechanism (31) and used for driving the lifting type guiding mechanism (31) to reciprocate along the radial direction of the rotary supporting platform (32) so as to support the upper shell ring and the lower shell ring in a circle mode.
7. The assembly welding device between shell rings according to any of claims 1 to 6, characterized in that said internal bracing spreader (1) comprises: the lifting appliance comprises a lifting appliance bracket (11), a plurality of telescopic driving pieces (12) and circle supporting friction pieces (13) which are arranged in one-to-one correspondence with the telescopic driving pieces (12); wherein the content of the first and second substances,
the telescopic driving piece (12) is arranged in a scattering manner along the circumferential direction of the hanger bracket (11);
one end of the telescopic driving piece (12) is connected with the lifting appliance support (11), the other end of the telescopic driving piece is connected with the supporting circular friction piece (13) and used for driving the supporting circular friction piece (13) to follow the radial reciprocating movement of the lifting appliance support (11) so as to force the lower shell ring or the upper shell ring to be supported in a circular manner through the supporting circular friction piece (13), and the friction between the lower shell ring and the upper shell ring is right to hoist the lower shell ring or the upper shell ring.
8. The inter-shell pair butt welding apparatus according to claim 7,
the rounding friction piece (13) is of an arc-shaped sheet structure, and a friction layer is coated on the outer wall of the rounding friction piece.
9. The assembly welding device between shell rings of claim 7, characterized in that the hanger bracket (11) is provided with a hanger hook (111).
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| CN110181190B (en) * | 2019-07-05 | 2024-02-09 | 江苏双友智能装备科技股份有限公司 | Barrel inner support ring and barrel assembly complete system device and production process thereof |
| CN112620994B (en) * | 2020-12-10 | 2022-05-13 | 山东旭洋机械集团股份有限公司 | Tank type pressure container manufacturing and welding process |
| CN115781020B (en) * | 2023-02-08 | 2023-04-18 | 成都迈特利尔科技有限公司 | Barrel circumferential seam laser welding workstation and welding method |
| CN117840677B (en) * | 2024-02-28 | 2024-05-28 | 南通中集能源装备有限公司 | Special-shaped container assembly welding tool and special-shaped container assembly welding method |
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