CN114309949A - Round pipe laser welding device - Google Patents

Round pipe laser welding device Download PDF

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Publication number
CN114309949A
CN114309949A CN202210035117.8A CN202210035117A CN114309949A CN 114309949 A CN114309949 A CN 114309949A CN 202210035117 A CN202210035117 A CN 202210035117A CN 114309949 A CN114309949 A CN 114309949A
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China
Prior art keywords
plate
belt
circular tube
pipe
positioning plate
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CN202210035117.8A
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CN114309949B (en
Inventor
周星星
白志磊
吴强
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Dajiang Laser Technology Suzhou Co ltd
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Dajiang Laser Technology Suzhou Co ltd
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Publication of CN114309949B publication Critical patent/CN114309949B/en
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Abstract

The invention discloses a circular tube laser welding device which comprises a circular tube supporting rod, wherein a circular tube limiting and pushing mechanism is arranged at the rear end of the circular tube supporting rod, a circular tube positioning mechanism is arranged at the front end of the circular tube supporting rod, belt tightening mechanisms are respectively arranged on the left side and the right side of the circular tube supporting rod, a tightly-holding belt is arranged between the two belt tightening mechanisms, two ends of the tightly-holding belt are respectively wound on the two belt tightening mechanisms, the middle section of the tightly-holding belt is swung below the circular tube supporting rod to form a circular tube tightly-holding acting cavity, circular tube pre-pressing mechanisms are respectively arranged above the two belt tightening mechanisms, the two belt tightening mechanisms are both connected with a belt opening and closing mechanism, a welding seam positioning mechanism is arranged above the circular tube supporting rod, and a laser welding head is arranged on a laser welding head transferring mechanism. The invention can realize various processes such as automatic holding, has high automation degree, high precision, high welding efficiency and low reject ratio, can be suitable for welding cylinders with various specifications, has good compatibility and reduces the production cost.

Description

Round pipe laser welding device
Technical Field
The invention belongs to the field of laser welding devices, and particularly relates to a circular tube laser welding device.
Background
The existing welding device for the metal round pipe (cylinder) generally does not have an automatic holding function, and is low in automation degree, welding efficiency and yield. Moreover, the existing welding device for the metal round tube (cylinder) is poor in compatibility, and one set of equipment cannot be suitable for welding round tubes (cylinders) with various specifications, so that the production cost is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a circular tube laser welding device to improve the welding efficiency and compatibility.
In order to solve the technical problems and achieve the technical effects, the invention is realized by the following technical scheme:
a circular tube laser welding device comprises a circular tube supporting rod, a welding seam positioning mechanism, a circular tube pre-pressing mechanism, a holding belt, a belt tightening mechanism, a belt opening and closing mechanism, a circular tube limiting and pushing mechanism, a circular tube positioning mechanism, a laser welding head and a laser welding head transfer mechanism; the round tube limiting and pushing mechanism is arranged at the rear end of the round tube supporting rod, the round tube positioning mechanism is arranged at the front end of the round tube supporting rod, the left side and the right side of the round tube supporting rod are respectively provided with one belt tightening mechanism, the holding belt is arranged between the two belt tightening mechanisms, the two ends of the tightly-holding belt are respectively wound on the two belt tightening mechanisms, the middle section of the tightly-holding belt is vertically swung below the circular tube supporting rod to form a circular tube tightly-holding action cavity, a circular tube pre-pressing mechanism is respectively arranged above the two belt tightening mechanisms, the lower parts of the two belt tightening mechanisms are both connected with the belt opening and closing mechanism, the welding seam positioning mechanism is arranged above the circular tube supporting rod, and the laser welding head is arranged above the circular tube supporting rod through the laser welding head transferring mechanism.
Furthermore, the circular tube supporting rod is fixed on the rack in a suspending mode, a groove is formed in the upper surface of the circular tube supporting rod in the axial direction, and the groove corresponds to the welding seam of the circular tube.
Further, the welding seam positioning mechanism comprises a welding seam positioning plate, a welding seam positioning plate support hinge seat, a welding seam positioning plate overturning cylinder, a welding seam positioning plate overturning shaft, a welding seam positioning plate first overturning connecting rod and a welding seam positioning plate second overturning connecting rod; the welding seam positioning plate is arranged on the side surface of the welding seam positioning plate support, the lower edge of the welding seam positioning plate is lower than the lower edge of the welding seam positioning plate support, a plurality of welding seam positioning plate overturning cylinders are arranged above the welding seam positioning plate support side by side, each welding seam positioning plate overturning cylinder is fixed on the rack, each welding seam positioning plate overturning cylinder is hinged with the upper surface of the welding seam positioning plate support through a corresponding welding seam positioning plate support hinged seat, a welding seam positioning plate overturning shaft is positioned between the welding seam positioning plate support and the welding seam positioning plate overturning cylinder, the welding seam positioning plate overturning shaft is simultaneously and rotatably connected with a plurality of welding seam positioning plate first overturning connecting rods and one end of each welding seam positioning plate second overturning connecting rod, and the other end of each welding seam positioning plate first overturning connecting rod is fixedly connected with the rack, the other end of the second turnover connecting rod of the welding seam positioning plate is fixedly connected with the upper surface of the welding seam positioning plate bracket; when the welding seam positioning plate overturning cylinder extends out, the welding seam positioning plate support drives the welding seam positioning plate to overturn downwards around the welding seam positioning plate overturning shaft and be inserted into the groove of the circular tube supporting rod, and when the welding seam positioning plate overturning cylinder retracts, the welding seam positioning plate support drives the welding seam positioning plate to overturn upwards around the welding seam positioning plate overturning shaft and exit from the groove of the circular tube supporting rod.
Further, the circular tube prepressing mechanism comprises an air bag capable of being inflated and deflated, an air bag mounting plate, a circular tube prepressing plate connecting plate, a reset tension spring and a circular tube prepressing plate lifting limiting column, the air bag is connected between the air bag mounting plate and the circular tube prepressing plate connecting plate, the air bag mounting plate is fixed with the frame, the circular tube prepressing plate is arranged on the lower surface of the circular tube prepressing plate connecting plate, a plurality of reset tension springs are uniformly arranged between the circular tube prepressing plate and the circular tube prepressing plate connecting plate, two circular tube prepressing plate lifting limiting columns are arranged on two sides of each reset tension spring, the lower end of the round tube prepressing plate lifting limiting column is in limiting contact with the upper surface of the round tube prepressing plate connecting plate, the inner edge of the round tube prepressing plate extends out of the inner edge of the round tube prepressing plate connecting plate, the inner edge of the circular tube prepressing plate is positioned above the edge of the circular tube supporting rod on the same side as the groove; when the gasbag aerifys, pipe preformer connecting plate drives the pipe preformer pushes down to be located the upper surface at pipe welding seam edge on the pipe bracing piece, works as when the gasbag is lost heart, pipe preformer connecting plate is in drive under the effect of extension spring pulling force that resets the pipe preformer upwards breaks away from to be located the upper surface at pipe welding seam edge on the pipe bracing piece.
Furthermore, the belt tightening mechanism comprises a belt tightening roller shaft, a belt tightening motor, belt tightening roller shaft mounting plates, a belt tightening roller shaft mounting plate fixing base plate and a belt guide plate, the belt tightening roller shaft is rotatably arranged between the front belt tightening roller shaft mounting plate and the rear belt tightening roller shaft mounting plate, the belt tightening motor is arranged on the outer side surface of one belt tightening roller shaft mounting plate, the belt tightening motor is in transmission connection with the belt tightening roller shaft, the lower end of the belt tightening roller shaft mounting plate is fixedly connected with the upper surface of the belt tightening roller shaft mounting plate fixing base plate, and the belt guide plate is horizontally fixed at the upper end of the belt tightening roller shaft mounting plate; control two belt tightening mechanism the interior edge of belt deflector is located respectively the left and right sides of pipe bracing piece, it is fixed respectively around establishing on left side and right side to hold tightly both ends about the belt tightens up on the roller, hold tightly the middle part of belt about two the leading of belt deflector is swung downwards the effect chamber is held tightly to the below formation pipe of pipe bracing piece.
Further, a plurality of identical belt tightening roller mounting plates are uniformly arranged between the front belt tightening roller mounting plate and the rear belt tightening roller mounting plate, the belt tightening rollers rotatably penetrate through all the belt tightening roller mounting plates, the tightening belt is divided into narrow tightening belts of corresponding quantity according to the interval number of the belt tightening roller mounting plates, the belt guide plates are also divided into narrow belt guide plates of corresponding quantity according to the interval number of the belt tightening roller mounting plates, one narrow tightening belt is arranged between every two adjacent belt tightening roller mounting plates, the left end and the right end of each narrow tightening belt are respectively and fixedly wound on the corresponding positions of the belt tightening rollers on the left side and the right side, and the middle parts of all the narrow tightening belts are hung under the circular pipe supporting rods under the guide of the corresponding narrow belt guide plates respectively, thereby jointly forming a circular tube holding action cavity.
Furthermore, the belt opening and closing mechanism comprises a belt opening and closing mechanism support, a belt opening and closing overturning driving shaft, a belt opening and closing overturning motor, a belt opening and closing overturning auxiliary shaft, a first bidirectional steering gear box, a second bidirectional steering gear box, a belt clasping mechanism support seat, a first hinge plate and a second hinge plate, wherein the belt opening and closing mechanism support is fixed with the frame, the front end and the rear end of the left side and the rear end of the belt opening and closing mechanism support are respectively provided with one belt opening and closing overturning driving shaft through corresponding bearings, the second bidirectional steering gear box is connected between the two belt opening and closing overturning driving shafts positioned at the front end and the rear end of the same side through corresponding couplings, the first bidirectional steering gear box is connected between the left second bidirectional steering gear box and the right second bidirectional steering gear box through corresponding couplings, and the belt opening and closing overturning motor is arranged on the belt opening and closing mechanism support, just the belt opens and shuts the upset motor through the shaft coupling that corresponds with first bidirectional steering gear box connects, every the inboard that the belt opened and shut the upset driving shaft all is provided with one parallelly the belt opens and shuts the upset auxiliary shaft, the belt open and shut the upset auxiliary shaft with belt mechanism support fixed connection that opens and shuts, every the belt opens and shuts the upset auxiliary shaft all with one and corresponds the articulated connecting rod of mechanism supporting seat bottom is embraced to the belt is articulated, lies in two around same one side the upper surface of mechanism supporting seat is embraced to the belt respectively with correspond the side both ends fixed connection around the roller mounting panel PMKD lower surface is tightened up to the belt, every the belt opens and shuts the upset driving shaft all through corresponding first articulated slab the second articulated slab with corresponding the lower surface of mechanism supporting seat is embraced to the belt is articulated.
The round tube limiting and pushing mechanism comprises a round tube limiting and pushing mechanism bottom plate, a round tube limiting pushing plate sliding assembly, a round tube limiting pushing plate sliding cylinder and a round tube limiting pushing plate mounting seat, wherein the round tube limiting and pushing mechanism bottom plate is fixed with the frame; when the spacing ejector plate sliding cylinder of pipe stretches out, the spacing ejector plate sliding subassembly of pipe passes through the spacing ejector plate mount pad of pipe drives the spacing ejector plate of pipe moves forward, will be located pipe release one section distance on the pipe bracing piece, works as when the spacing ejector plate sliding cylinder of pipe contracts when returning, the spacing ejector plate sliding subassembly of pipe passes through the spacing ejector plate mount pad of pipe drives the spacing ejector plate of pipe resets backward, the preceding terminal surface of the spacing ejector plate of pipe with the rear end face of pipe bracing piece flushes.
Further, the circular tube positioning mechanism comprises a circular tube positioning plate, a circular tube positioning plate clamping plate, a circular tube positioning plate overturning shaft and a circular tube positioning plate overturning cylinder, the circular tube positioning plate is positioned at the front side of the circular tube supporting rod, one side of the circular tube positioning plate is fixedly connected with one side of the circular tube positioning plate turnover plate, one end of the circular tube positioning plate turnover plate is rotationally connected with the frame through the circular tube positioning plate turnover shaft, the other end of the round tube positioning plate turnover plate is hinged with a round tube positioning plate turnover cylinder which is fixed with the frame, the back side surface of the circular tube positioning plate is provided with two circular tube positioning plate clamping plates which are respectively positioned at the left side and the right side of the circular tube supporting rod, clamping columns matched with the circular tube positioning plate clamping plates are arranged on the left side and the right side of the front end of the circular tube supporting rod respectively; when pipe locating plate upset cylinder stretches out, pipe locating plate returning face plate is through winding pipe locating plate trip shaft rotates the drive backward the pipe locating plate integrated circuit board upset downwards, makes the pipe locating plate will the position of pipe bracing piece front end covers, and two pipe locating plate integrated circuit board respectively with the card post joint of pipe bracing piece left and right sides, works as when pipe locating plate upset cylinder returns and contracts, pipe locating plate returning face plate is through winding pipe locating plate trip shaft rotates the drive forward the pipe locating plate integrated circuit board upset upwards makes two pipe locating plate integrated circuit board respectively with the card post of pipe bracing piece left and right sides breaks away from, just the pipe locating plate will the position of pipe bracing piece front end lets out.
Furthermore, the laser welding head transfer mechanism comprises a laser welding head transfer mechanism mounting plate, a welding head forward-backward movement module and a welding head upward-downward movement module, the laser welding head transfer mechanism mounting plate is fixed with the frame, the welding head forward-backward movement module is arranged on the side surface of the laser welding head transfer mechanism mounting plate, the welding head upward-downward movement module is arranged on a sliding block of the welding head forward-backward movement module, the laser welding head is vertically and downwardly arranged on the sliding block of the welding head upward-downward movement module, and the laser welding head moves forward, backward and upward and downward above the circular pipe supporting rod through the matching of the welding head forward-backward movement module and the welding head upward-downward movement module.
Compared with the prior art, the invention has the beneficial effects that:
the cylinder welding line clamping device can automatically realize the processes of cylinder welding line positioning, front and back positioning, welding line prepressing, welding line clamping, welding line welding, cylinder blanking and the like, has high automation degree, convenient operation, high welding precision and strong reliability, can greatly improve the welding efficiency and reduce the defective rate, and simultaneously adopts the clamping belt to clamp the welding line of the cylinder, thereby being suitable for welding cylinders with various specifications, having good compatibility and reducing the production cost.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a perspective view showing the front structure of a circular tube laser welding apparatus according to the present invention;
FIG. 2 is a perspective view showing the rear structure of the circular tube laser welding apparatus according to the present invention;
FIG. 3 is a schematic structural diagram of a circular tube support rod in the circular tube laser welding apparatus according to the present invention;
FIG. 4 is a schematic structural diagram of a weld positioning mechanism in the circular tube laser welding apparatus according to the present invention;
FIG. 5 is a schematic structural diagram of a circular tube pre-pressing mechanism in the circular tube laser welding apparatus according to the present invention;
FIG. 6 is a schematic structural view of a belt tightening mechanism in the circular tube laser welding apparatus according to the present invention;
FIG. 7 is a rear view of a belt tightening mechanism in the circular tube laser welding apparatus of the present invention;
FIG. 8 is a schematic structural view of a belt opening and closing mechanism in the circular tube laser welding apparatus according to the present invention;
FIG. 9 is a schematic structural view of a circular tube limiting and pushing mechanism in the circular tube laser welding apparatus according to the present invention;
FIG. 10 is a schematic structural diagram of a circular tube positioning mechanism in the circular tube laser welding apparatus according to the present invention;
fig. 11 is a schematic structural view of a laser welding head transfer mechanism in the circular tube laser welding device according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. The description set forth herein is intended to provide a further understanding of the invention and forms a part of this application and is intended to be an exemplification of the invention and is not intended to limit the invention to the particular embodiments illustrated.
Referring to fig. 1-2, a circular tube laser welding device comprises a circular tube support rod 1, a weld positioning mechanism 2, a circular tube pre-pressing mechanism 3, a holding belt 4, a belt tightening mechanism 5, a belt opening and closing mechanism 6, a circular tube limiting and pushing mechanism 7, a circular tube positioning mechanism 8, a laser welding head 10 and a laser welding head transfer mechanism 9; the round tube limiting and pushing mechanism 7 is arranged at the rear end of the round tube supporting rod 1, the round tube positioning mechanism 8 is arranged at the front end of the round tube supporting rod 1, the left side and the right side of the round tube supporting rod 1 are respectively provided with one belt tightening mechanism 5, the holding belt 4 is arranged between the two belt tightening mechanisms 5, the two ends of the tightly-holding belt 4 are respectively wound on the two belt tightening mechanisms 5, the middle section of the tightly-holding belt 4 is vertically swung below the circular tube supporting rod 1 to form a circular tube tightly-holding acting cavity, a circular tube pre-pressing mechanism 3 is respectively arranged above the two belt tightening mechanisms 5, the lower parts of the two belt tightening mechanisms 5 are both connected with the belt opening and closing mechanism 6, the welding seam positioning mechanism 2 is arranged above the circular tube supporting rod 1, and the laser welding head 10 is arranged above the circular tube supporting rod 1 through the laser welding head transfer mechanism 9.
Further, as shown in fig. 3, the circular tube supporting rod 1 is fixed on the rack in a suspended manner, a groove 101 is axially formed in the upper surface of the circular tube supporting rod 1, and the groove 101 corresponds to the weld position of the circular tube 11.
Further, referring to fig. 4, the weld positioning mechanism 2 includes a weld positioning plate 201, a weld positioning plate support 202, a weld positioning plate support hinge base 203, a weld positioning plate overturning cylinder 204, a weld positioning plate overturning shaft 205, a weld positioning plate first overturning connecting rod 206, and a weld positioning plate second overturning connecting rod 207; the welding seam positioning plate 201 is arranged on the side surface of the welding seam positioning plate support 202, the lower edge of the welding seam positioning plate 201 is lower than the lower edge of the welding seam positioning plate support 202, a plurality of welding seam positioning plate overturning cylinders 204 are arranged above the welding seam positioning plate support 202 in parallel, each welding seam positioning plate overturning cylinder 204 is fixed on the machine frame, each welding seam positioning plate overturning cylinder 204 is hinged with the upper surface of the welding seam positioning plate support 202 through a corresponding welding seam positioning plate support hinged seat 203, a welding seam positioning plate overturning shaft 205 is arranged between the welding seam positioning plate support 202 and the welding seam positioning plate overturning cylinder 204, the welding seam positioning plate overturning shaft 205 is simultaneously and rotatably connected with one end of a plurality of welding seam positioning plate first overturning connecting rods 206 and one end of a welding seam positioning plate second overturning connecting rod 207, and the other end of the welding seam positioning plate first overturning connecting rod 206 is fixedly connected with the machine frame, the other end of the second turnover connecting rod 207 of the welding seam positioning plate is fixedly connected with the upper surface of the welding seam positioning plate bracket 202; when the weld joint positioning plate overturning cylinder 204 extends out, the weld joint positioning plate support 202 drives the weld joint positioning plate 201 to overturn downwards around the weld joint positioning plate overturning shaft 205 and be inserted into the groove 101 of the circular tube supporting rod 1, and when the weld joint positioning plate overturning cylinder 204 retracts, the weld joint positioning plate support 202 drives the weld joint positioning plate 201 to overturn upwards around the weld joint positioning plate overturning shaft 205 and exit from the groove 101 of the circular tube supporting rod 1.
Further, referring to fig. 5, the circular tube pre-pressing mechanism 3 includes an air bag 301 capable of being inflated and deflated, an air bag mounting plate 302, a circular tube pre-pressing plate 303, a circular tube pre-pressing plate connecting plate 304, a reset tension spring 305, and a circular tube pre-pressing plate lifting limiting post 306, the air bag 301 is connected between the air bag mounting plate 302 and the circular tube pre-pressing plate connecting plate 304, the air bag mounting plate 302 is fixed to the frame, the circular tube pre-pressing plate 303 is disposed on the lower surface of the circular tube pre-pressing plate connecting plate 304, a plurality of reset tension springs 305 are uniformly disposed between the circular tube pre-pressing plate 303 and the circular tube pre-pressing plate connecting plate 304, two circular tube pre-pressing plate lifting limiting posts 306 are disposed on two sides of each reset tension spring 305, the lower end of the circular tube pre-pressing plate lifting limiting post 306 is in limiting contact with the upper surface of the circular tube pre-pressing plate connecting plate 304, the inner edge of the circular tube pre-pressing plate 303 extends out of the inner edge of the circular tube pre-pressing plate connecting plate 304, the inner edge of the circular tube prepressing plate 303 is positioned above the edge of the circular tube supporting rod 1 on the same side as the groove 101; when gasbag 301 aerifys, pipe precompression board connecting plate 304 drives pipe precompression board 303 pushes down to be located the upper surface at 11 welding seam edges of pipe on the pipe bracing piece 1, works as when gasbag 301 loses heart, pipe precompression board connecting plate 304 is in drive under the effect of extension spring 305 pulling force that resets pipe precompression board 303 upwards breaks away from and is located the upper surface at 11 welding seam edges of pipe on the pipe bracing piece 1.
Further, referring to fig. 6 to 7, the belt tightening mechanism 5 includes a belt tightening roller shaft 501, a belt tightening motor 502, belt tightening roller shaft mounting plates 503, a belt tightening roller shaft mounting plate fixing base plate 504 and a belt guide plate 505, the belt tightening roller shaft 501 is rotatably disposed between the front and rear belt tightening roller shaft mounting plates 503, the belt tightening motor 502 is disposed on the outer side surface of one of the belt tightening roller shaft mounting plates 503, the belt tightening motor 502 is in transmission connection with the belt tightening roller shaft 501, the lower end of the belt tightening roller shaft mounting plate 503 is fixedly connected with the upper surface of the belt tightening roller shaft mounting plate fixing base plate 504, and the belt guide plate 505 is horizontally fixed at the upper end of the belt tightening roller shaft mounting plate 503; control two belt tightening mechanism 5 the interior edge of belt deflector 505 is located respectively the left and right sides of pipe bracing piece 1, it is fixed respectively around establishing on left side and right side to hold tightly belt 4's the both ends the belt tightens up on roller 501, hold tightly belt 4's middle part about two the direction of belt deflector 505 is hung down and is in the effect chamber is held tightly to the below formation pipe of pipe bracing piece 1.
Further, two from beginning to end the belt tightens up and is provided with the same of a plurality of between the roller mounting panel 503 evenly the roller mounting panel 503 is tightened up to the belt, the belt tightens up roller 501 rotationally wears to establish whole the belt tightens up on the roller mounting panel 503, it is according to tightly hold belt 4 the interval number that the roller mounting panel 503 was tightened up to the belt is divided into the narrow width of corresponding quantity and tightly hold the belt, belt deflector 505 is equally according to the belt tightens up the interval number of roller mounting panel 503 and is divided into the narrow width belt deflector of corresponding quantity, adjacent two the belt tightens up and all is provided with one between the roller mounting panel 503 the narrow width tightly holds the belt, and every the narrow width tightly holds both ends of belt about fixed respectively around establishing on left side and right side on the corresponding position of roller 501 of belt, all the middle part that the narrow width tightly held the belt all hangs down in the direction of the narrow width belt deflector that corresponds separately and swings the below of pipe 1 Thereby forming a circular tube holding action cavity together.
Further, as shown in fig. 8, the belt opening and closing mechanism 6 includes a belt opening and closing mechanism support 801, a belt opening and closing and turning driving shaft 802, a belt opening and closing and turning motor 803, a belt opening and closing and turning auxiliary shaft 804, a first bidirectional steering gear box 805, a second bidirectional steering gear box 806, a belt clasping mechanism support seat 807, a first hinge plate 808 and a second hinge plate 809, the belt opening and closing mechanism support 801 is fixed to the frame, the front and rear ends of the left and right sides of the belt opening and closing mechanism support 801 are respectively provided with one belt opening and closing and turning driving shaft 802 through corresponding bearings, two belt opening and closing and turning driving shafts 802 located at the front and rear ends of the same side are respectively connected with one second bidirectional steering gear box 806 through corresponding couplings, and the first bidirectional steering gear box 805 is connected between the left and right second bidirectional steering gear boxes 806 through corresponding couplings, the belt turns on and off upset motor 803 and sets up on the belt mechanism support 801 that opens and shuts, just the belt turns on and off upset motor 803 through the shaft coupling that corresponds with first bidirectional steering gear case 805 is connected, every the inboard of belt upset driving shaft 802 that opens and shuts all is provided with one parallelly the belt upset auxiliary shaft 804 that opens and shuts, the belt open and shut upset auxiliary shaft 804 with belt mechanism support 801 fixed connection that opens and shuts, every the belt opens and shuts upset auxiliary shaft 804 all with one and corresponds the articulated connecting rod of mechanism supporting seat 807 bottom is articulated, two around being located same one side the upper surface of mechanism supporting seat 807 is embraced to the belt respectively with the corresponding side both ends fixed connection around belt tightens up roller mounting plate 504 lower surface, every belt upset driving shaft 802 that opens and shuts all through corresponding first articulated slab 808, The second hinge plate 809 is hinged to the lower surface of the corresponding belt clasping mechanism support seat 807.
Further, referring to fig. 9, the round tube limiting and pushing mechanism 7 includes a round tube limiting and pushing mechanism bottom plate 701, a round tube limiting pushing plate 702, a round tube limiting pushing plate sliding assembly 703, a round tube limiting pushing plate sliding cylinder 704 and a round tube limiting pushing plate mounting seat 705, the circular tube limiting and pushing-out mechanism bottom plate 701 is fixed with the frame, the circular tube limiting and pushing-out plate sliding assembly 703 and the circular tube limiting and pushing-out plate sliding cylinder 704 are connected in series on the upper surface of the circular tube limiting and pushing-out mechanism bottom plate 701, the circular tube limit ejector plate sliding cylinder 704 is connected with the circular tube limit ejector plate sliding assembly 703, the circular tube limiting ejector plate sliding assembly 703 is fixedly provided with two circular tube limiting ejector plates 702 through corresponding circular tube limiting ejector plate mounting seats 705, and the two circular tube limiting ejector plates 702 are respectively positioned at the left side and the right side of the circular tube supporting rod 1; when the spacing ejector plate sliding cylinder 704 of pipe stretches out, the spacing ejector plate sliding subassembly 703 of pipe passes through the spacing ejector plate mount pad 705 of pipe drives the spacing ejector plate 702 of pipe moves forward, will be located one section distance of pipe 11 release on the pipe bracing piece 1, works as when the spacing ejector plate sliding cylinder 704 of pipe contracts, the spacing ejector plate sliding subassembly 703 of pipe passes through the spacing ejector plate mount pad 705 of pipe drives the spacing ejector plate 702 of pipe resets backward, the preceding terminal surface of the spacing ejector plate 702 of pipe with the rear end face of pipe bracing piece 1 flushes.
Further, referring to fig. 10, the circular tube positioning mechanism 8 includes a circular tube positioning plate 801, a circular tube positioning plate clamping plate 802, a circular tube positioning plate turnover plate 803, a circular tube positioning plate turnover shaft 804 and a circular tube positioning plate turnover cylinder 805, the circular tube positioning plate 801 is located at the front side of the circular tube supporting rod 1, one side of the circular tube positioning plate 801 is fixedly connected with one side of the circular tube positioning plate turnover plate 803, one end of the circular tube positioning plate turnover plate 803 is rotatably connected with the frame through the circular tube positioning plate turnover shaft 804, the other end of the circular tube positioning plate turnover plate 803 is hinged with the circular tube positioning plate turnover cylinder 805, the circular tube positioning plate turnover cylinder 805 is fixed with the frame, two circular tube positioning plate clamping plates 802 are arranged on the rear side surface of the circular tube positioning plate 801, the two circular tube positioning plate clamping plates 802 are respectively located at the left side and the right side of the circular tube supporting rod 1, the left side and the right side of the front end of the circular tube supporting rod 1 are respectively provided with a clamping column 102 which is used for being matched with the circular tube positioning plate clamping plate 802; when the circular tube positioning plate overturning cylinder 805 extends out, the circular tube positioning plate overturning plate 803 rotates backwards around the circular tube positioning plate overturning shaft 804 to drive the circular tube positioning plate 801 and the circular tube positioning plate clamping plate 802 to overturn downwards, so that the circular tube positioning plate 801 covers the front end of the circular tube supporting rod 1, and the two circular tube positioning board clamping plates 802 are respectively clamped with the clamping columns 102 at the left and right sides of the circular tube supporting rod 1, when the circular tube positioning plate overturning cylinder 805 retracts, the circular tube positioning plate overturning plate 803 rotates forwards around the circular tube positioning plate overturning shaft 804 to drive the circular tube positioning plate 801 and the circular tube positioning plate clamping plate 802 to overturn upwards, make two pipe locating plate integrated circuit board 802 respectively with the card post 102 of the pipe bracing piece 1 left and right sides breaks away from, just pipe locating plate 801 will the position of 1 front end of pipe bracing piece is yielded.
Further, referring to fig. 11, the laser welding head transfer mechanism 9 includes a laser welding head transfer mechanism mounting plate 901, a welding head forward-backward movement module 902, and a welding head upward-downward movement module 903, the laser welding head transfer mechanism mounting plate 901 is fixed to the frame, the welding head forward-backward movement module 902 is disposed on a side surface of the laser welding head transfer mechanism mounting plate 901, the welding head upward-downward movement module 903 is disposed on a slider of the welding head forward-backward movement module 902, the laser welding head 10 is vertically and downwardly disposed on a slider of the welding head upward-downward movement module 903, and the laser welding head 10 is moved forward, backward, and upward and downward above the circular pipe supporting rod 1 by cooperation of the welding head forward-backward movement module 902 and the welding head upward-downward movement module 903.
The working process of the invention is as follows:
before welding, the welding seam positioning mechanism 2 is in an upturning state above the circular tube supporting rod 1, the circular tube limiting and pushing-out mechanism 7 is in an extending state at the rear end of the circular tube supporting rod 1, the circular tube positioning mechanism 8 is in an upturning opening state at the front end of the circular tube supporting rod 1, and the belt opening and closing mechanism 6 drives the belt tightening mechanisms 5 on two sides to be in an opening state.
When welding is needed, firstly, the welding seam positioning mechanism 2 starts to work, the welding seam positioning plate 201 is turned downwards and is inserted into the groove 101 on the upper edge of the round tube supporting rod 1, so that the welding seam of the round tube is positioned, the round tube limiting and pushing mechanism 7 starts to work according to the length of the round tube 11, then the welding seam of the round tube 11 to be welded is aligned to the welding seam positioning plate 201, then the round tube positioning mechanism 8 starts to work, the round tube positioning plate 801 is turned downwards and covers the front end of the round tube supporting rod 1, and the round tube 11 on the round tube supporting rod 1 is placed in a holding action cavity formed by the middle of the holding belt 4; then, the circular tube limiting push-out plate 702 extends forwards and pushes the circular tube 11 to move forwards along the circular tube supporting rod 1 until the front end of the circular tube 11 contacts with the circular tube positioning plate 801, so that the circular tube 11 is positioned forwards and backwards.
After the round tube 11 is positioned, the round tube prepressing mechanism 3 on one side of the round tube support rod 1 starts to work first, and simultaneously, the air bag 301 is inflated to drive the round tube prepressing plate 303 to press downwards, so that one side edge of the welding seam of the round tube 11 is pressed first, then the welding seam positioning mechanism 2 starts to work, the welding seam positioning plate 201 is turned upwards and is withdrawn from the groove 101 on the upper edge of the round tube support rod 1 to vacate the welding position, then the round tube prepressing mechanism 3 on the other side of the round tube support rod 1 starts to work, and simultaneously, the air bag 301 is inflated to drive the round tube prepressing plate 303 to press downwards, so that the other side edge of the welding seam of the round tube 11 is pressed, and at the moment, the left and right side edges of the welding seam of the round tube 11 are all subjected to prepressing before welding.
After 11 pre-compaction of pipe, belt mechanism 6 that opens and shuts begins to work, drive the belt tightening mechanism 5 inside upset of both sides simultaneously, along with controlling two belt tightening mechanism 5 and fold gradually, it is also closing up gradually to be located between two belt tightening mechanism 5 by holding the pipe that belt 4 middle part formed tightly, the upper portion surface contact who holds belt 4 and pipe 11 both sides is being driven to belt deflector 505 until belt tightening mechanism 5, meanwhile, the belt tightening mechanism 5 simultaneous working of both sides, it coils holding belt 4 from both ends respectively, thereby reduce the pipe gradually and hold the internal diameter that acts on the chamber tightly, 11 belts 4 are held tightly by holding tightly completely to pipe this moment, and at the tightening up in-process of holding belt 4 tightly, the gap of its welding seam is littleer more and more, until reaching the clearance that laser welding requires.
Finally, the laser welding head 10 is driven by the laser welding head transfer mechanism 9 to weld the welding seam of the circular pipe 11, after welding is completed, the laser welding head transfer mechanism 9 drives the laser welding head 10 to reset, the circular pipe positioning mechanism 8 turns up the circular pipe positioning plate 801 to remove the positioning of the front end of the circular pipe 11, and the circular pipe limiting and pushing mechanism 7 further extends the circular pipe limiting pushing plate 702 forwards, so that the front end of the circular pipe 11 is pushed out of the front end of the circular pipe supporting rod 1 for a distance, and a worker can take down the welded circular pipe 11 conveniently.
The action process of the welding seam positioning mechanism 2 is as follows:
when the welding seam positioning plate overturning cylinder 204 extends out, the welding seam positioning plate bracket 202 drives the welding seam positioning plate 201 to overturn downwards around the welding seam positioning plate overturning shaft 205 and be inserted into the groove 101 of the round tube supporting rod 1 for positioning the welding seam of the round tube; when the weld positioning plate overturning cylinder 204 retracts, the weld positioning plate bracket 202 drives the weld positioning plate 201 to upwards overturn around the weld positioning plate overturning shaft 205 and exit from the groove 101 of the circular tube supporting rod 1, and the weld positioning of the circular tube is released.
The action process of the round tube positioning mechanism 8 is as follows:
when the circular tube positioning plate overturning cylinder 805 extends out, the circular tube positioning plate overturning plate 803 rotates backwards around the circular tube positioning plate overturning shaft 804 to drive the circular tube positioning plate 801 and the circular tube positioning plate clamping plate connecting plate 802 to overturn downwards, so that the circular tube positioning plate 801 covers the front end of the circular tube supporting rod 1, and the two circular tube positioning plate clamping plates 802 are respectively clamped with the clamping columns 102 on the left side and the right side of the circular tube supporting rod 1, so that the circular tube positioning plate overturning plate is used for positioning the front end of the circular tube 11; when the pipe positioning plate overturning cylinder 805 retracts, the pipe positioning plate overturning plate 803 rotates forwards around the pipe positioning plate overturning shaft 804 to drive the pipe positioning plate 801 and the pipe positioning plate clamping plate 802 to overturn upwards, so that the two pipe positioning plate clamping plates 802 are separated from the clamping columns 102 on the left side and the right side of the pipe supporting rod 1 respectively, the pipe positioning plate 801 gives way to the position of the front end of the pipe supporting rod 1, and the positioning of the front end of the pipe 11 is released.
The action process of the round tube limit ejector plate 702 is as follows:
when the circular tube limiting ejector plate sliding cylinder 704 extends before welding, the circular tube limiting ejector plate sliding assembly 703 drives the circular tube limiting ejector plate 702 to extend forwards through the circular tube limiting ejector plate mounting seat 705, so as to push the circular tube 11 on the circular tube supporting rod 1 to move forwards until the front end of the circular tube 11 is contacted with the circular tube positioning plate 801; when the circular tube limiting ejector plate sliding cylinder 704 extends out after welding, the circular tube limiting ejector plate sliding assembly 703 drives the circular tube limiting ejector plate 702 to extend forward through the circular tube limiting ejector plate mounting seat 705, so as to push the circular tube 11 on the circular tube supporting rod 1 to move forward until the front end of the circular tube 11 is pushed out of the front end of the circular tube supporting rod 1 by a certain distance; when the circular tube limiting ejector plate sliding cylinder 704 is completely retracted, the circular tube limiting ejector plate sliding assembly 703 drives the circular tube limiting ejector plate 702 to reset backwards through the circular tube limiting ejector plate mounting seat 705, and the front end face of the circular tube limiting ejector plate 702 is retreated to be flush with the rear end face of the circular tube supporting rod 1.
The action process of the round tube pre-pressing mechanism 3 is as follows:
when the airbag 301 is inflated, the circular tube pre-pressing plate connecting plate 304 drives the circular tube pre-pressing plate 303 to downwards press the upper surface of the welding seam edge of the circular tube 11 on the circular tube supporting rod 1, so that the welding seam edge pre-pressing is formed; when the air bag 301 is deflated, the circular tube pre-pressing plate connecting plate 304 drives the circular tube pre-pressing plate 303 to be separated upwards from the upper surface of the welding seam edge of the circular tube 11 on the circular tube supporting rod 1 under the pulling force of the reset tension spring 305, and the circular tube pre-pressing plate connecting plate contacts with the upper surface of the welding seam edge of the circular tube 11 for pre-pressing.
The action process of the belt opening and closing mechanism 6 is as follows:
when the belt opening and closing and overturning motor 803 rotates forward, the belt opening and closing and overturning motor 803 simultaneously drives four belt opening and closing and overturning driving shafts 802 on the left side and the right side to rotate through a first bidirectional steering gear box 805 in the middle and a second bidirectional steering gear box 806 on the left side and the right side, the four belt opening and closing and overturning driving shafts 802 respectively drive the four belt holding mechanism supporting seats 807 on the left side and the right side to inwards fold through a first hinged plate 808 and a second hinged plate 809 which respectively correspond to each other under the matching of the belt opening and closing and overturning auxiliary shafts 804 which respectively correspond to each other, so that the folding of the left belt tightening mechanism 5 and the right belt tightening mechanism 5 is realized; on the contrary, when the belt opening and closing and overturning motor 803 rotates reversely, the belt opening and closing and overturning motor 803 drives four belt opening and closing and overturning driving shafts 802 on the left and right sides to rotate simultaneously through the first bidirectional steering gear box 805 in the middle and the second bidirectional steering gear boxes 806 on the left and right sides, the four belt opening and closing and overturning driving shafts 802 drive four belt clasping mechanism supporting seats 807 on the left and right sides to be away from the two sides through the corresponding first hinged plate 808 and second hinged plate 809 respectively and under the matching of the corresponding belt opening and overturning auxiliary shafts 804, so that the two belt tightening mechanisms 5 on the left and right sides are opened.
The action process of the belt tightening mechanism 5 is as follows:
when the left and right belt tightening motors 502 rotate in the forward direction, the two belt tightening motors 502 drive the left and right belt tightening roller shafts 501 to start to wind the left and right ends of the tightly-holding belt 4, so that a circular tube tightly-holding action cavity is formed in the middle of the tightly-holding belt 4 and is gradually tightened, and the circular tube 11 is completely tightly held by the circular tube tightly-holding action cavity of the tightly-holding belt 4, so that a welding seam of the circular tube 11 is extruded in the process of gradually tightening the circular tube tightly-holding action cavity, and the seam of the welding seam is smaller and smaller until the gap required by laser welding is achieved; on the contrary, when the left and right belt tightening motors 502 rotate reversely, the two belt tightening motors 502 drive the left and right belt tightening rollers 501 to unwind the left and right ends of the tightly-holding belt 4, so that the circular tube tightly-holding action cavity formed in the middle of the tightly-holding belt 4 is gradually loosened, and the circular tube 11 can be fed and discharged.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a pipe laser welding device which characterized in that: the device comprises a round pipe supporting rod (1), a welding seam positioning mechanism (2), a round pipe pre-pressing mechanism (3), a holding belt (4), a belt tightening mechanism (5), a belt opening and closing mechanism (6), a round pipe limiting and pushing mechanism (7), a round pipe positioning mechanism (8), a laser welding head (10) and a laser welding head transfer mechanism (9); the pipe limiting and pushing-out mechanism (7) is arranged at the rear end of the pipe supporting rod (1), the pipe positioning mechanism (8) is arranged at the front end of the pipe supporting rod (1), the left side and the right side of the pipe supporting rod (1) are respectively provided with one belt tightening mechanism (5), the two belt tightening mechanisms (5) are arranged between the two belt tightening mechanisms (4), the two ends of the belt (4) are respectively wound on the two belt tightening mechanisms (5), the middle section of the belt (4) is hung below the pipe supporting rod (1) to form a pipe tightening action cavity, the pipe pre-pressing mechanisms (3) are respectively arranged above the two belt tightening mechanisms (5), the lower parts of the two belt tightening mechanisms (5) are both connected with the belt opening and closing mechanism (6), and the welding seam positioning mechanism (2) is arranged above the pipe supporting rod (1), the laser welding head (10) is arranged above the circular tube supporting rod (1) through the laser welding head transfer mechanism (9).
2. The round tube laser welding apparatus according to claim 1, characterized in that: the pipe bracing piece (1) is unsettled to be fixed in the frame, a recess (101) has been seted up along the axial to the upper surface of pipe bracing piece (1), the welding seam position of recess (101) and pipe (11) is corresponding.
3. The round tube laser welding apparatus according to claim 2, characterized in that: the welding seam positioning mechanism (2) comprises a welding seam positioning plate (201), a welding seam positioning plate support (202), a welding seam positioning plate support hinged seat (203), a welding seam positioning plate overturning cylinder (204), a welding seam positioning plate overturning shaft (205), a welding seam positioning plate first overturning connecting rod (206) and a welding seam positioning plate second overturning connecting rod (207); the welding seam positioning plate (201) is arranged on the side face of the welding seam positioning plate support (202), the lower edge of the welding seam positioning plate (201) is lower than the lower edge of the welding seam positioning plate support (202), a plurality of welding seam positioning plate overturning cylinders (204) are arranged above the welding seam positioning plate support (202) side by side, each welding seam positioning plate overturning cylinder (204) is fixed on the frame, each welding seam positioning plate overturning cylinder (204) is hinged with the upper surface of the welding seam positioning plate support (202) through a corresponding welding seam positioning plate support hinged seat (203), a welding seam positioning plate overturning shaft (205) is positioned between the welding seam positioning plate support (202) and the welding seam positioning plate overturning cylinder (204), the welding seam positioning plate overturning shaft (205) is simultaneously and rotatably connected with one ends of a plurality of welding seam positioning plate first overturning connecting rods (206) and a welding seam positioning plate second overturning connecting rod (207), the other end of the first turnover connecting rod (206) of the welding seam positioning plate is fixedly connected with the rack, and the other end of the second turnover connecting rod (207) of the welding seam positioning plate is fixedly connected with the upper surface of the welding seam positioning plate bracket (202); when welding seam locating plate upset cylinder (204) stretches out, welding seam locating plate support (202) drive welding seam locating plate (201) wind welding seam locating plate trip shaft (205) upset downwards and insert in recess (101) of pipe bracing piece (1), work as when welding seam locating plate upset cylinder (204) retract back, welding seam locating plate support (202) drive welding seam locating plate (201) wind welding seam locating plate trip shaft (205) upwards overturn and withdraw from recess (101) of pipe bracing piece (1).
4. The round tube laser welding apparatus according to claim 2, characterized in that: the round tube prepressing mechanism (3) comprises an inflatable and deflatable air bag (301), an air bag mounting plate (302), a round tube prepressing plate (303), a round tube prepressing plate connecting plate (304), reset tension springs (305) and a round tube prepressing plate lifting limiting column (306), the air bag (301) is connected between the air bag mounting plate (302) and the round tube prepressing plate connecting plate (304), the air bag mounting plate (302) is fixed with the frame, the round tube prepressing plate (303) is arranged on the lower surface of the round tube prepressing plate connecting plate (304), a plurality of reset tension springs (305) are uniformly arranged between the round tube prepressing plate (303) and the round tube prepressing plate connecting plate (304), two round tube prepressing plate lifting limiting columns (306) are arranged on two sides of each reset tension spring (305), the lower end of each prepressing plate lifting limiting column (306) is in limiting contact with the upper surface of the round tube prepressing plate connecting plate (304), the inner edge of the circular tube prepressing plate (303) extends out of the inner edge of the circular tube prepressing plate connecting plate (304), and the inner edge of the circular tube prepressing plate (303) is positioned above the edge of the circular tube supporting rod (1) on the same side of the groove (101); when gasbag (301) aerify, pipe precompression board connecting plate (304) drive pipe precompression board (303) are pushed down and are located pipe (11) welding seam edge's on pipe bracing piece (1) upper surface works as when gasbag (301) are lost heart, pipe precompression board connecting plate (304) are in drive under the effect of extension spring that resets (305) pulling force pipe precompression board (303) upwards break away from and are located the upper surface at pipe (11) welding seam edge on pipe bracing piece (1).
5. The round tube laser welding apparatus according to claim 1, characterized in that: the belt tightening mechanism (5) comprises a belt tightening roller shaft (501), a belt tightening motor (502), a belt tightening roller shaft mounting plate (503), a belt tightening roller shaft mounting plate fixing base plate (504) and a belt guide plate (505), wherein the belt tightening roller shaft (501) is rotatably arranged between the front belt tightening roller shaft mounting plate and the rear belt tightening roller shaft mounting plate (503), the belt tightening motor (502) is arranged on the outer side surface of one belt tightening roller shaft mounting plate (503), the belt tightening motor (502) is in transmission connection with the belt tightening roller shaft (501), the lower end of the belt tightening roller shaft mounting plate (503) is fixedly connected with the upper surface of the belt tightening roller shaft mounting plate fixing base plate (504), and the belt guide plate (505) is horizontally fixed at the upper end of the belt tightening roller shaft mounting plate (503); control two belt tightening mechanism (5) the interior edge of belt deflector (505) is located respectively the left and right sides of pipe bracing piece (1), the left and right sides both ends of holding tightly belt (4) are fixed respectively around establishing on left side and right side on belt tightening roller (501), the middle part of holding tightly belt (4) is two about the direction of belt deflector (505) is hung down and is swung the effect chamber is held tightly to the below formation pipe of pipe bracing piece (1).
6. The round tube laser welding apparatus according to claim 5, characterized in that: two the belt tightens up and still evenly be provided with a plurality of between roller mounting panel (503) the belt tightens up roller mounting panel (503), the belt tightens up roller (501) rotationally wears to establish on whole the belt tightens up roller mounting panel (503), it is divided into the narrow width of corresponding quantity and embraces the belt tightly according to the interval number that the belt tightens up roller mounting panel (503) tightly to embrace belt (4), belt deflector (505) are equally divided into the narrow width belt deflector of corresponding quantity according to the interval number that the belt tightens up roller mounting panel (503), adjacent two it all is provided with one the narrow width tightly to embrace the belt between roller mounting panel (503), and every the narrow width tightly both ends are fixed respectively and are tightened up on the corresponding position of belt roller (501) of left side and right side around establishing, all the middle parts of the narrow-width tightly-holding belts are hung under the guide of the corresponding narrow-width belt guide plates respectively under the circular tube support rods (1), so that a circular tube tightly-holding action cavity is formed jointly.
7. The round tube laser welding apparatus according to claim 5 or 6, characterized in that: the belt opening and closing mechanism (6) comprises a belt opening and closing mechanism support (801), a belt opening and closing overturning driving shaft (802), a belt opening and closing overturning motor (803), a belt opening and closing overturning auxiliary shaft (804), a first bidirectional steering gear box (805), a second bidirectional steering gear box (806), a belt clasping mechanism support seat (807), a first hinged plate (808) and a second hinged plate (809), wherein the belt opening and closing mechanism support (801) is fixed with the frame, the front end and the rear end of the left side and the right side of the belt opening and closing mechanism support (801) are respectively provided with one belt opening and closing overturning driving shaft (802) through corresponding bearings, the two belt opening and closing overturning driving shafts are located at the front end and the rear end of the same side, one belt opening and closing overturning driving shaft (802) is connected with one second bidirectional steering gear box (806) through corresponding couplings, and the left side and right side of the second bidirectional steering gear box (806) are connected with the first bidirectional steering gear box through corresponding couplings (805) The belt opening and closing overturning motor (803) is arranged on the belt opening and closing mechanism support (801), the belt opening and closing overturning motor (803) is connected with the first bidirectional steering gear box (805) through a corresponding shaft coupling, one belt opening and closing overturning auxiliary shaft (804) is arranged on the inner side of each belt opening and closing overturning driving shaft (802) in parallel, the belt opening and closing overturning auxiliary shaft (804) is fixedly connected with the belt opening and closing mechanism support (801), each belt opening and closing overturning auxiliary shaft (804) is hinged with a hinged connecting rod corresponding to the bottom of the belt clasping mechanism support seat (807), the upper surfaces of the front and back two belt clasping mechanism support seats (807) positioned on the same side are fixedly connected with the front and back two ends of the lower surface of the belt tightening roller shaft mounting plate fixing bottom plate (504) on the corresponding side respectively, each belt opening and closing overturning driving shaft (802) is hinged to the lower surface of the corresponding belt clasping mechanism supporting seat (807) through the corresponding first hinged plate (808) and the corresponding second hinged plate (809).
8. The round tube laser welding apparatus according to claim 1, characterized in that: the round tube limiting and pushing mechanism (7) comprises a round tube limiting and pushing mechanism bottom plate (701), a round tube limiting pushing plate (702), a round tube limiting pushing plate sliding assembly (703), a round tube limiting pushing plate sliding cylinder (704) and a round tube limiting pushing plate mounting seat (705), the round tube limiting and pushing mechanism bottom plate (701) is fixed with the frame, the round tube limiting and pushing plate sliding assembly (703) and the round tube limiting and pushing plate sliding cylinder (704) are connected in series on the upper surface of the round tube limiting and pushing mechanism bottom plate (701), the circular tube limit ejector plate sliding cylinder (704) is connected with the circular tube limit ejector plate sliding assembly (703), the circular tube limiting ejector plate sliding assembly (703) is fixedly provided with two circular tube limiting ejector plates (702) through corresponding circular tube limiting ejector plate mounting seats (705), and the two circular tube limiting ejector plates (702) are respectively positioned at the left side and the right side of the circular tube supporting rod (1); when the spacing ejector plate sliding cylinder of pipe (704) stretches out, the spacing ejector plate sliding subassembly of pipe (703) is passed through the spacing ejector plate mount pad of pipe (705) drives the spacing ejector plate of pipe (702) moves forward, will be located one section distance of pipe (11) release on pipe bracing piece (1), works as when the spacing ejector plate sliding cylinder of pipe (704) contracts when contracting, the spacing ejector plate sliding subassembly of pipe (703) is passed through the spacing ejector plate mount pad of pipe (705) drives the spacing ejector plate of pipe (702) resets backward, the preceding terminal surface of the spacing ejector plate of pipe (702) with the rear end face of pipe bracing piece (1) flushes.
9. The round tube laser welding apparatus according to claim 1, characterized in that: the round pipe positioning mechanism (8) comprises a round pipe positioning plate (801), a round pipe positioning plate clamping plate (802), a round pipe positioning plate turnover plate (803), a round pipe positioning plate turnover shaft (804) and a round pipe positioning plate turnover cylinder (805), wherein the round pipe positioning plate (801) is positioned at the front side of the round pipe supporting rod (1), one side of the round pipe positioning plate (801) is fixedly connected with one side of the round pipe positioning plate turnover plate (803), one end of the round pipe positioning plate turnover plate (803) is rotatably connected with the rack through the round pipe positioning plate turnover shaft (804), the other end of the round pipe positioning plate turnover plate (803) is hinged with the round pipe positioning plate turnover cylinder (805), the round pipe positioning plate turnover cylinder (805) is fixed with the rack, two round pipe positioning plate clamping plates (802) are arranged on the rear side surface of the round pipe positioning plate (801), the two circular tube positioning board clamping plates (802) are respectively positioned at the left side and the right side of the circular tube supporting rod (1), and clamping columns (102) matched with the circular tube positioning board clamping plates (802) are respectively arranged at the left side and the right side of the front end of the circular tube supporting rod (1); when the circular tube positioning plate overturning cylinder (805) extends out, the circular tube positioning plate overturning plate (803) drives the circular tube positioning plate (801) and the circular tube positioning plate clamping plate (802) to overturn downwards by rotating backwards around the circular tube positioning plate overturning shaft (804), so that the circular tube positioning plate (801) covers the front end of the circular tube supporting rod (1), the two circular tube positioning plate clamping plates (802) are respectively clamped with the clamping columns (102) at the left side and the right side of the circular tube supporting rod (1), when the circular tube positioning plate overturning cylinder (805) retracts, the circular tube positioning plate overturning plate (803) drives the circular tube positioning plate (801) and the circular tube positioning plate clamping plate (802) to overturn upwards by rotating forwards around the circular tube positioning plate overturning shaft (804), so that the two circular tube positioning plate clamping plates (802) are respectively separated from the clamping columns (102) at the left side and the right side of the circular tube supporting rod (1), and the round tube positioning plate (801) gives way for the position of the front end of the round tube supporting rod (1).
10. The round tube laser welding apparatus according to claim 1, characterized in that: the laser welding head transfer mechanism (9) comprises a laser welding head transfer mechanism mounting plate (901), a welding head front-and-back movement module (902) and a welding head up-and-down movement module (903), the laser welding head transfer mechanism mounting plate (901) is fixed with the frame, the welding head back-and-forth moving module (902) is arranged on the side surface of the laser welding head transfer mechanism mounting plate (901), the welding head up-and-down moving module (903) is arranged on a sliding block of the welding head back-and-forth moving module (902), the laser welding head (10) is vertically and downwards arranged on a sliding block of the welding head up-down moving module (903), the laser welding head (10) is matched with the welding head back-and-forth moving module (902) and the welding head up-and-down moving module (903) to realize the back-and-forth and up-and-down movement right above the circular tube supporting rod (1).
CN202210035117.8A 2022-01-13 2022-01-13 Round tube laser welding device Active CN114309949B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106654A (en) * 2022-08-25 2022-09-27 苏州贝氏包装科技有限公司 Full-automatic welding equipment for steel drum

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1987664A (en) * 1933-01-14 1935-01-15 Westinghouse Electric & Mfg Co Welding apparatus
US2256879A (en) * 1938-12-02 1941-09-23 Jr Edward S Cornell Welding device
US2371376A (en) * 1941-11-28 1945-03-13 Rheem Mfg Co Work support for side seam welding
US2607310A (en) * 1948-01-28 1952-08-19 Rheem Mfg Co Welding fixture
EP0701878A1 (en) * 1994-09-14 1996-03-20 Weil Engineering GmbH Device and method for manufacturing of tubes
JPH09155590A (en) * 1995-12-05 1997-06-17 Isel Kk Welding method and welding equipment
US20020033385A1 (en) * 2000-09-21 2002-03-21 Alte Michael C. Apparatus and process for assembling exhaust processor components
CN1966200A (en) * 2006-11-16 2007-05-23 华中科技大学 Welding jig for welding cylinder
CN109570759A (en) * 2019-01-16 2019-04-05 长春理工大学 Thin-wall barrel longitudinal joint Laser Welding flexibility cohesion device and weld seam squeeze force control method
CN109909594A (en) * 2019-04-04 2019-06-21 湖南省精一自动化有限公司 A kind of Full-automatic plasma tunnel bonding machine
CN213224950U (en) * 2020-06-12 2021-05-18 东莞长郡电子科技有限公司 Circular tube welding machine

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1987664A (en) * 1933-01-14 1935-01-15 Westinghouse Electric & Mfg Co Welding apparatus
US2256879A (en) * 1938-12-02 1941-09-23 Jr Edward S Cornell Welding device
US2371376A (en) * 1941-11-28 1945-03-13 Rheem Mfg Co Work support for side seam welding
US2607310A (en) * 1948-01-28 1952-08-19 Rheem Mfg Co Welding fixture
EP0701878A1 (en) * 1994-09-14 1996-03-20 Weil Engineering GmbH Device and method for manufacturing of tubes
JPH09155590A (en) * 1995-12-05 1997-06-17 Isel Kk Welding method and welding equipment
US20020033385A1 (en) * 2000-09-21 2002-03-21 Alte Michael C. Apparatus and process for assembling exhaust processor components
CN1966200A (en) * 2006-11-16 2007-05-23 华中科技大学 Welding jig for welding cylinder
CN109570759A (en) * 2019-01-16 2019-04-05 长春理工大学 Thin-wall barrel longitudinal joint Laser Welding flexibility cohesion device and weld seam squeeze force control method
CN109909594A (en) * 2019-04-04 2019-06-21 湖南省精一自动化有限公司 A kind of Full-automatic plasma tunnel bonding machine
CN213224950U (en) * 2020-06-12 2021-05-18 东莞长郡电子科技有限公司 Circular tube welding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106654A (en) * 2022-08-25 2022-09-27 苏州贝氏包装科技有限公司 Full-automatic welding equipment for steel drum

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