CN109434343B - Automatic welding machine for scaffold pipe fitting and connector - Google Patents
Automatic welding machine for scaffold pipe fitting and connector Download PDFInfo
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- CN109434343B CN109434343B CN201811634465.7A CN201811634465A CN109434343B CN 109434343 B CN109434343 B CN 109434343B CN 201811634465 A CN201811634465 A CN 201811634465A CN 109434343 B CN109434343 B CN 109434343B
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- 238000003466 welding Methods 0.000 title claims abstract description 134
- 238000003860 storage Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000033764 rhythmic process Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 244000261422 Lysimachia clethroides Species 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
Classifications
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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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- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an automatic welding machine for scaffold pipes and connectors, which comprises a frame, wherein a supporting table is arranged on the frame, a left bracket and a right bracket are arranged on the supporting table, the upper ends of the left bracket and the right bracket are correspondingly provided with a left supporting groove and a right supporting groove of the pipe fitting, and one side of the frame is provided with a pipe storage and a pipe conveying mechanism; a left sliding block is arranged on a supporting table on the left side of the left bracket, a left shaft seat and a left welding mechanism are arranged on the left sliding block, a left rotating shaft is arranged on the left shaft seat, one end of the left rotating shaft is fixedly connected with a left connector positioning seat, and the left rotating shaft is positioned or loosened through a positioning mechanism; a right sliding block is arranged on a supporting table on the right side of the right bracket, a right shaft seat and a right welding mechanism are arranged on the right sliding block, a right rotating shaft is arranged on the right shaft seat, one end of the right rotating shaft is fixedly connected with a right connector positioning seat, and the right rotating shaft is positioned or rotated through a driving mechanism; the left side of the frame is provided with a left feeding mechanism and a left grabbing mechanism, and the right side of the frame is provided with a right feeding mechanism and a right grabbing mechanism; the invention has high degree of automation and effectively improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of scaffold manufacturing equipment, in particular to an automatic welding machine for scaffold pipes and connectors.
Background
Fig. 1 shows a connecting rod for scaffold, which requires connecting heads 20 welded at both ends of a pipe 10, and the welded positions are shown as E and F. The traditional welding mode of the connecting rod is finished by manual work through a plurality of tool clamps. The welding efficiency is low and the labor intensity of operators is high. Some welding equipment has therefore been studied to solve this problem.
The utility model patent with a patent number ZL201621060334.9 and a name of 'automatic welding equipment for double stations of scaffold cross bars' is disclosed in 2017, 03 and 08, and comprises a main body frame, a control box and an air source processor, wherein the control box and the air source processor are arranged on one side of the main body frame, and the utility model is characterized in that: the left welding machine and the right welding machine are installed at the left end and the right end of the main body frame, the two left fixed welding devices are respectively fixed at the left end positions on the upper plane and the lower plane of the main body frame, the two upper guide rails and the two lower guide rails are respectively arranged on the upper plane and the lower plane of the main body frame, the two right movable welding devices are respectively and slidably installed on the upper guide rails and the lower guide rails, the upper transmission shaft penetrates through the shaft sleeve of the left gear transmission box of the left fixed welding device positioned on the upper plane and the shaft sleeve of the right gear transmission box of the right movable welding device, the lower transmission shaft penetrates through the shaft sleeve of the left gear transmission box of the left fixed welding device positioned on the lower plane and the shaft sleeve of the right gear transmission box of the right movable welding device, and the automatic welding equipment realizes double-station automatic alternate welding without waiting time. But from the structural analysis of the device, two sets of devices about need to be set up, drive mechanism needs to set up many sets of gear boxes and transmission shaft, and transmission mode and overall structure are still more complicated, and the reliability of operation is difficult to guarantee, does not solve the technical problem of automatic feeding simultaneously, and holistic degree of automation remains to improve.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic welding machine for scaffold pipes and connectors, which realizes automatic feeding and simultaneous automatic welding of two ends of the pipe and the two connectors, has high automation degree and effectively improves production efficiency.
In order to achieve the above purpose, the technical scheme of the invention is as follows: an automatic welding machine for scaffold pipe fittings and connectors comprises a frame, wherein a supporting table is arranged on the frame, a left support and a right support are arranged on the supporting table, a left support groove and a right support groove of pipe fittings are correspondingly arranged at the upper ends of the left support and the right support, a pipe storage and conveying mechanism is arranged on one side of the frame, and the pipe storage and conveying mechanism conveys the pipe fittings to the two support grooves one by one according to welding rhythm;
The left sliding block is arranged on a supporting table on the left side of the left bracket, the left sliding block is driven to move back and forth along the axial direction of the pipe fitting through a left first driving piece, a left shaft seat and a left welding mechanism are arranged on the left sliding block, a left rotating shaft is arranged on the left shaft seat, the axial direction of the left rotating shaft is parallel to the moving direction of the left sliding block, a left connector positioning seat is fixedly connected to one end, close to the left bracket, of the left rotating shaft, the left rotating shaft is positioned or relaxed through a positioning mechanism, the left welding mechanism comprises a left welding gun and a left second driving piece, and the left second driving piece drives the left welding gun to move back and forth;
The right sliding block is arranged on a supporting table on the right side of the right bracket, the right sliding block is driven by a right first driving piece to move back and forth along the axial direction of the pipe fitting, a right shaft seat and a right welding mechanism are arranged on the right sliding block, a right rotating shaft is arranged on the right shaft seat, the axial direction of the right rotating shaft is parallel to the moving direction of the right sliding block, a right connector positioning seat is fixedly connected to one end, close to the right bracket, of the right rotating shaft, the right rotating shaft is positioned or rotated through a driving mechanism, the right welding mechanism comprises a right welding gun and a right second driving piece, and the right second driving piece drives the right welding gun to move back and forth;
The left side of the frame is provided with a left feeding mechanism and a left grabbing mechanism, the left feeding mechanism conveys the connectors to the appointed position, and the left grabbing mechanism grabs the connectors at the appointed position and installs the connectors on a left connector positioning seat; the right side of the frame is provided with a right feeding mechanism and a right grabbing mechanism, the right feeding mechanism conveys the connectors to the appointed position, and the right grabbing mechanism grabs the connectors at the appointed position and installs the connectors on a right connector positioning seat;
Before welding, the left sliding block and the right sliding block move in opposite directions to enable the connectors on the left connector positioning seat and the connectors on the right connector positioning seat to be matched with and clamped with two ends of a pipe fitting, and then the left second driving piece and the right second driving piece respectively drive the left welding gun and the right welding gun to move to welding positions.
The left welding mechanism further comprises a left adjusting frame and a left mounting frame fixedly connected with the left sliding block, a left welding gun is connected to the left adjusting frame, a left second driving piece is arranged on the left mounting frame, and the left second driving piece drives the left welding gun to move back and forth through the left adjusting frame;
the left mounting frame is provided with a vertical rail, the left adjusting frame is matched with the vertical rail, the left second driving piece is a cylinder, and a piston rod of the left second driving piece is connected with the left adjusting frame; the left adjusting frame is provided with a vertical adjusting screw and a vertical guide pillar, an adjusting block is matched with the vertical guide pillar, a threaded through hole is arranged on the adjusting block and matched with the adjusting screw, the adjusting block is fixedly connected with a clamping assembly, and the left welding gun is fixedly connected with the clamping assembly;
The right welding mechanism further comprises a right adjusting frame and a right mounting frame fixedly connected with the right sliding block, the right welding gun is connected to the right adjusting frame, a right second driving piece is mounted on the right mounting frame, and the right second driving piece drives the right welding gun to move back and forth through the right adjusting frame; the right mounting frame is provided with a vertical rail, the right adjusting frame is matched with the vertical rail, the right second driving piece is a cylinder, and a piston rod of the right second driving piece is connected with the right adjusting frame; the right adjusting frame is provided with a vertical adjusting screw and a vertical guide pillar, an adjusting block is matched with the vertical guide pillar, a threaded through hole is formed in the adjusting block and matched with the adjusting screw, the adjusting block is fixedly connected with a clamping assembly, and the right welding gun is fixedly connected with the clamping assembly.
Through the structure setting, the adjustment of left and right welder position is convenient, and left and right welder's aversion precision is also higher, can better guarantee the accuracy of welding position, further improves welding quality.
Still further, the left welding gun is a gooseneck type gas protection welding gun, the middle part of the nozzle of the left welding gun is at least connected with one pipeline, and oil and gas are sprayed into the nozzle by the pipeline during welding; so as to prevent the left welding gun from being blocked and have better cooling effect when continuously welding. The right welding gun is a gooseneck type gas protection welding gun, the middle part of a nozzle of the right welding gun is at least connected with one pipeline, and oil and gas are sprayed into the nozzle through the pipeline during welding; so as to prevent the right welding gun from being blocked and have better cooling effect when continuously welding.
Preferably, the positioning mechanism comprises a positioning cylinder fixedly connected with the left sliding block, a piston rod of the positioning cylinder is fixedly connected with a clamping block, a V-shaped clamping groove is formed in the clamping block, a clamping part with a V-shaped cross section is arranged on the left rotating shaft, when the clamping groove is matched with the clamping part, the left rotating shaft is positioned, and when the clamping groove is separated from the clamping part, the left rotating shaft is loosened; the driving mechanism comprises a servo motor fixedly connected with the right sliding block, and a driving shaft of the servo motor drives the right rotating shaft to rotate or enable the right rotating shaft to be positioned through a transmission mechanism.
Further improved, the left bracket is provided with a left cylinder at the side of the left supporting groove, a piston rod of the left cylinder is upwards arranged, the upper end of the piston rod of the left cylinder is fixedly connected with a left positioning block, and the upper end of the left positioning block is provided with a V-shaped positioning groove; the right support is provided with a right cylinder at the side of the right supporting groove, a piston rod of the right cylinder is upwards arranged, a right positioning block is fixedly connected to the upper end of the piston rod of the right cylinder, and a V-shaped positioning groove is formed in the upper end of the right positioning block; when piston rods of the left cylinder and the right cylinder extend simultaneously, the left positioning block and the right positioning block respectively utilize the V-shaped positioning groove to support the pipe fitting, so that the axis of the pipe fitting is in the horizontal direction. Therefore, the axial position of the pipe fitting can be more accurate through the action of the left positioning block and the right positioning block. Still further, when the upper and lower position of left cylinder and right cylinder is adjustable, can also better adapt to the location of the pipe fitting of different pipe diameters, improve the commonality of equipment.
Further improved, the left bracket is fixedly connected to a base, the upper end surface of the base is fixedly connected with two left first guide rails, the two left first guide rails are arranged along the axial direction of the pipe fitting, the left sliding block is matched with the two left first guide rails, the left first driving piece is an air cylinder, the left first driving piece is arranged on the base, and a piston rod of the left first driving piece is connected with the left sliding block;
The support table is fixedly connected with two left second guide rails, the two left second guide rails are arranged along the axial direction of the pipe fitting, the base is matched with the two left second guide rails, a worm gear mechanism is arranged on a rack below the support table, one end of a worm is fixedly connected with a hand wheel, the center of the worm wheel is fixedly connected with an adjusting screw rod, the axial direction of the adjusting screw rod is parallel to the pipe fitting, an adjusting nut is matched with the adjusting screw rod, and the adjusting nut is fixedly connected with the base through a connecting piece;
The supporting table is fixedly connected with two right first guide rails, the two right first guide rails are arranged along the axial direction of the pipe fitting, the right sliding block is matched with the two right first guide rails, the driving mechanism is arranged on the right sliding block, the right first driving piece is an air cylinder, the right first driving piece is arranged on the supporting table, and a piston rod of the right first driving piece is connected with the right sliding block.
Therefore, the base and each part arranged on the base can be axially adjusted along the pipe fitting so as to adapt to the pipe fittings with different lengths, and the universality of the equipment is further improved.
Preferably, the left feeding mechanism comprises a left vibrating screen and a left connecting head conveying rail arranged on the left side of the supporting table, one end of the left connecting head conveying rail is connected with an output port of the left vibrating screen, and the other end of the left connecting head conveying rail is a locating point of the connecting head; the left material grabbing mechanism comprises a left mounting seat fixedly connected with the frame, a material grabbing servo motor and a left material grabbing cylinder, wherein the left mounting seat is provided with a left third guide rail and two shaft seats, the left third guide rail is parallel to the axial direction of the pipe fitting, the two shaft seats are provided with a left screw rod, the material grabbing servo motor is arranged on the left mounting seat, the left screw rod is connected with a material grabbing servo motor driving shaft, the left screw rod is parallel to the axial direction of the pipe fitting, a left nut is matched with the left screw rod, a left material grabbing sliding block is fixedly connected with the left nut on the left third guide rail, the left material grabbing cylinder is arranged on the left material grabbing sliding block, a piston rod of the left material grabbing cylinder is arranged downwards, and the piston rod of the left material grabbing cylinder is connected with a left material grabbing head which can grab or release a connector;
the right feeding mechanism comprises a right vibrating screen and a right conveying track of a connector, the right conveying track of the connector is arranged on the right side of the supporting table, one end of the right conveying track of the connector is connected with an output port of the right vibrating screen, and the other end of the right conveying track of the connector is a locating point of the connector; the right material grabbing mechanism comprises a right mounting seat, a driving cylinder and a right material grabbing cylinder, wherein the right mounting seat is fixedly connected with the frame, a right second guide rail is arranged on the right mounting seat, the right second guide rail is parallel to the axial direction of the pipe fitting, a right material grabbing sliding block is matched on the right second guide rail, the driving cylinder is arranged on the right mounting seat, a piston rod of the driving cylinder is hinged with the right material grabbing sliding block, the right material grabbing cylinder is arranged on the right material grabbing sliding block and the piston rod is downwards arranged, the piston rod of the right material grabbing cylinder is connected with a right material grabbing head, and the right material grabbing head can grab or release a connector.
Further improved, the left bracket is also provided with a left knocking air cylinder, one end of a left knocking rod is hinged to the left bracket, the middle part of the left knocking rod is hinged to a piston rod of the left knocking air cylinder, and the left knocking air cylinder drives the left knocking rod to knock a connector on the left connector positioning seat so that the connector is accurately positioned on the left connector positioning seat;
The right support is also provided with a right knocking air cylinder, one end of a right knocking rod is hinged to the right support, the middle of the right knocking rod is hinged to a piston rod of the right knocking air cylinder, and the right knocking air cylinder drives the right knocking rod to knock a connector on a right connector positioning seat so that the connector is accurately positioned on the right connector positioning seat.
Still further, still can set up by power control's magnetic means on the left connector positioning seat and on the right connector positioning seat, produce the suction in order to ensure that the connector on the left connector positioning seat and right connector positioning seat connector do not run the position when welding. After welding, the suction force disappears, and the unloading is convenient.
Further improvement, the left support is provided with a left first raceway at the rear side of the left supporting groove, and the right support is provided with a right first raceway at the rear side of the right supporting groove; the pipe storage and delivery mechanism comprises a left vertical frame and a right vertical frame, inclined supporting pieces are fixedly connected to opposite side surfaces of the left vertical frame and the right vertical frame, the two supporting pieces are parallel to each other, one end of each supporting piece, which is close to the supporting table, is lower than the other end, which is far away from the supporting table, of each supporting piece, vertical limiting pieces are arranged at the lower ends, which are close to the supporting pieces, of the left vertical frame and the right vertical frame, the pipe fitting is stored between the two supporting pieces, the pipe fitting at the lowest position is blocked by the two vertical limiting pieces, a feeding cylinder with an upward piston rod is arranged beside each vertical limiting piece, a feeding block is arranged on the piston rod of each feeding cylinder, one side, which is close to the supporting piece, is fixedly connected with a limiting rod downwards, and when the piston rods of the two feeding cylinders extend out simultaneously, the two feeding blocks jack up the top ends of the two vertical limiting pieces and then roll down onto the two supporting grooves along a left first rolling path and a right first rolling path, meanwhile, the other pipe fitting, which is close to the lowest position, is limited by the two limiting pieces, moves down, and the other pipe fitting, which is located at the lowest position, is separated from the two limiting pieces, and moves down to the other pipe fitting.
Still further, the left bracket is provided with a left limit cylinder beside the left first rollaway nest, a piston rod of the left limit cylinder is upwards arranged, and a left stop block is fixedly connected to the upper end of the piston rod of the left limit cylinder; the right bracket is provided with a right limiting cylinder beside the right first roller path, a piston rod of the right limiting cylinder is upwards arranged, and a right stop block is fixedly connected to the upper end of the piston rod of the right limiting cylinder; when the piston rods of the left limiting cylinder and the right limiting cylinder extend out simultaneously, the left stop block and the right stop block the pipe fitting simultaneously, and when the piston rods of the left limiting cylinder and the right limiting cylinder return simultaneously, the pipe fitting continues to roll down to the two supporting grooves along the left first rollaway nest and the right first rollaway nest;
The vertical limiting piece is far away from the left vertical frame and the right vertical frame on one side of the supporting table, the lower end of the stop lever is provided with a vertical adjusting screw, and the vertical adjusting screw can adjust the distance between the lower end of the vertical adjusting screw and the supporting piece at the vertical position so as to ensure that only one pipe fitting can pass through the space between the lower end of the vertical adjusting screw and the supporting piece.
Through the structure, more pipe fittings can be ensured to be stored, and the conveying rhythm of the pipe fittings can be improved. So as to further improve the welding operation efficiency.
Further improved, the other side of the frame is provided with a material receiving frame, the left support is provided with a left second rollaway nest at the front side of the left supporting groove, and the right support is provided with a right second rollaway nest at the front side of the right supporting groove; the left support is provided with a left jacking pipe cylinder at the left supporting groove, a piston rod of the left jacking pipe cylinder is upwards arranged, and a left jacking block is fixedly connected to the upper end of the piston rod of the left jacking pipe cylinder; the right support is provided with a right jacking pipe cylinder at the side of the right supporting groove, a piston rod of the right jacking pipe cylinder is upwards arranged, and a right jacking block is fixedly connected to the upper end of the piston rod of the right jacking pipe cylinder; when piston rods of the left jacking pipe cylinder and the right jacking pipe cylinder extend out simultaneously, the left jacking block and the right jacking block jack up the pipe fitting simultaneously so that the pipe fitting slides into the material receiving frame along the left second rollaway nest and the right second rollaway nest. Thus, the automatic unloading after welding can be realized. Further improving the automation level and the working efficiency.
According to the invention, pipe fittings are fed onto two supporting grooves at the upper ends of a left bracket and a right bracket one by one according to the welding rhythm through a pipe storage and feeding mechanism; then the left grabbing mechanism grabs the connectors at the designated positions and installs the connectors on the left connector positioning seat; the right grabbing mechanism grabs the connectors at the designated positions and installs the connectors on the right connector positioning seat; before welding, the left sliding block and the right sliding block move in opposite directions to enable the connectors on the left connector positioning seat and the connectors on the right connector positioning seat to be matched with and clamped with two ends of a pipe fitting, and then the left second driving piece and the right second driving piece respectively drive the left welding gun and the right welding gun to move to welding positions. And then the right rotating shaft, the right connector positioning seat, the left rotating shaft, the left connector positioning seat, the two connectors and the pipe fitting are driven by the driving mechanism to rotate together for one whole circle of welding. Therefore, the automatic feeding device can realize automatic feeding and automatic welding of two ends of the pipe fitting and two connectors at the same time, has high automation degree and effectively improves the production efficiency.
On the other hand, the invention can also effectively ensure the welding quality of the pipe fitting and the connector and reduce the manufacturing cost.
Drawings
FIG. 1 is a front view of a scaffold tube with two ends welded to two connectors, respectively;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a top perspective view of the hidden receiving rack and a portion of the rack of the present invention;
FIG. 4 is a bottom perspective view of the hidden receiving rack and a portion of the rack of the present invention;
FIG. 5 is a top perspective view of the hidden receiving rack, a portion of the rack, a left grapple mechanism and a right grapple mechanism of the present invention;
FIG. 6 is an enlarged view at A of FIG. 3;
FIG. 7 is an enlarged view at B of FIG. 4;
FIG. 8 is an enlarged view at C of FIG. 5;
Fig. 9 is an enlarged view of fig. 5 at D;
FIG. 10 is a perspective view of the left welding mechanism of the present invention;
FIG. 11 is a perspective view of the left grapple mechanism of the present invention;
Fig. 12 is a perspective view of the right hand grappling mechanism of the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
The automatic welding machine for scaffold pipes and connectors comprises a frame 1, wherein a supporting table 11 is arranged on the frame 1, the supporting table 11 can be arranged in the middle of the frame 1, a left support 2 and a right support 3 are arranged on the supporting table 11, a left support groove 21 and a right support groove 31 for the pipes 10 are correspondingly arranged at the upper ends of the left support 2 and the right support 3, a pipe storage and delivery mechanism 4 is arranged at the rear side of the frame 1, the pipe storage and delivery mechanism 4 delivers the pipes 10 to the two supporting grooves 21 and 31 one by one according to the welding rhythm, and the axes of the pipes 10 are approximately in the horizontal direction after falling into the two supporting grooves 21 and 31.
The left sliding block 5 is further arranged on the supporting table 11 on the left side of the left bracket 2, the left sliding block 5 is driven by the left first driving piece 51 to move back and forth along the axial direction of the pipe fitting 10, the left sliding block 5 is provided with a left shaft seat 52 and a left welding mechanism 53, the left shaft seat 52 is provided with a left rotating shaft 521, the axial direction of the left rotating shaft 521 is parallel to the axial direction of the pipe fitting 10, one end, close to the left bracket 2, of the left rotating shaft 521 is fixedly connected with a left connector positioning seat 522, and the left rotating shaft 521 is positioned or relaxed through a positioning mechanism 54; the positioning mechanism 54 includes a positioning cylinder 541 fixedly connected to the left slider 5, a bracket 542 is fixedly connected to the left slider 5, then the positioning cylinder 541 is mounted on the bracket 542, a piston rod of the positioning cylinder 541 is fixedly connected to a clamping block 543, a V-shaped clamping groove is formed in the clamping block 543, a clamping portion with a V-shaped cross section is formed in the left rotating shaft 521, when the clamping groove is matched with the clamping portion, the left rotating shaft 521 is positioned, and when the clamping groove is separated from the clamping portion, the left rotating shaft 521 is released; the left welding mechanism 53 comprises a left welding gun 531, a left adjusting frame 532 and a left mounting frame 533 fixedly connected with the left slider 5, the left welding gun 531 is connected with the left adjusting frame 532, a left second driving member 534 is mounted on the left mounting frame 533, and the left second driving member 534 drives the left welding gun 531 and the left adjusting frame 532 to move back and forth;
The left mounting frame 533 is provided with a vertical track 535, the left adjusting frame 532 is matched with the vertical track 535, the left second driving member 534 is an air cylinder, and a piston rod of the left second driving member 534 is connected with the left adjusting frame 532; the left adjusting frame 532 is provided with a vertical adjusting screw 536 and a vertical guide pillar 537, an adjusting block 538 is matched with the vertical guide pillar 537, a threaded through hole is arranged on the adjusting block 538 and matched with the adjusting screw 536, the adjusting block 538 is fixedly connected with a clamping assembly 539, and the left welding gun 531 is fixedly connected with the clamping assembly 539; an adjusting wheel 5361 is fixedly connected to the upper end of the adjusting screw 536. The up and down position of left gun 531 may be adjusted by turning adjustment wheel 5361, as further seen in FIG. 10, the elevation angle of left gun 531 and the deflection of the gun head position may be adjusted by clamping assembly 539. The left welding gun 531 forms a universal adjustment to facilitate alignment of the gun tips to the welding location.
The left bracket 2 is fixedly connected to a base 22, the upper end surface of the base 22 is fixedly connected with two left first guide rails 23, the two left first guide rails 23 are arranged along the axial direction of the pipe fitting 10, the left sliding block 5 is matched with the two left first guide rails 23, the left first driving piece 51 is an air cylinder, the left first driving piece 51 is arranged on the base 22, and a piston rod of the left first driving piece 51 is connected with the left sliding block 5;
the support table 11 is fixedly connected with two left second guide rails 24, the two left second guide rails 24 are arranged along the axial direction of the pipe fitting 10, the base 22 is matched with the two left second guide rails 24, the machine frame 1 below the support table 11 is provided with a worm and gear mechanism 12, one end of the worm is fixedly connected with a hand wheel 13, the center of the worm wheel is fixedly connected with an adjusting screw rod 14, the axial direction of the adjusting screw rod 14 is parallel to the pipe fitting 10, the adjusting screw rod 14 is matched with an adjusting nut, and the adjusting nut is fixedly connected with the base 22 through a connecting piece 15; thus, by rotating the hand wheel 13, each part comprising the left bracket 2 on the base 22 can move along the axial direction of the pipe fitting 10, so that the pipe fitting 10 with different lengths can be conveniently adapted, and the universality of equipment is improved.
The right slider 6 is further installed on the supporting table 11 on the right side of the right support 3, the right slider 6 is driven to move back and forth along the axial direction of the pipe fitting 10 through the right first driving piece 61, the right slider 6 is provided with the right shaft seat 62 and the right welding mechanism 63, the right shaft seat 62 is provided with the right rotating shaft 621, the axial direction of the right rotating shaft 621 is parallel to the axial direction of the pipe fitting 10, one end of the right rotating shaft 621, close to the right support 3, is fixedly connected with the right connector positioning seat 622, the right rotating shaft 621 is positioned or rotated through a driving mechanism 64, the driving mechanism 64 comprises a servo motor 641 fixedly connected with the right slider 6, and a driving shaft of the servo motor 641 drives the right rotating shaft 621 to rotate or enables the right rotating shaft 621 to be positioned through the transmission mechanism 642. The transmission mechanism 642 adopts a transmission mechanism with a synchronous pulley and a synchronous belt matched. The right shaft seat 62 can be further provided with a damping device 623 of the right shaft 621, so that the right shaft 621 can be positioned conveniently. The left shaft seat 52 may also be provided with a damping device for the left rotary shaft 521.
The structure of the right welding mechanism 63 is the same as that of the left welding mechanism 53, and the right welding mechanism comprises a right welding gun 631, a right adjusting frame 632 and a right mounting frame 633 fixedly connected with a right sliding block 6, wherein the right welding gun 631 is connected with the right adjusting frame 632, a right second driving member 634 is arranged on the right mounting frame 633, and the right second driving member 634 drives the right welding gun 631 and the right adjusting frame 632 to move up and down; the right mounting rack 633 is provided with a vertical rail, the right adjusting rack 632 is matched with the vertical rail, the right second driving member 634 is an air cylinder, and a piston rod of the right second driving member 634 is connected with the right adjusting rack 632; the right adjusting frame 632 is provided with a vertical adjusting screw and a vertical guide post, an adjusting block is matched with the vertical guide post, a threaded through hole is arranged on the adjusting block and matched with the adjusting screw, the adjusting block is fixedly connected with a clamping assembly, and the right welding gun 631 is fixedly connected to the clamping assembly.
Preferably, the left welding gun 531 is a gooseneck type gas shielded welding gun, two sides of the middle part of the nozzle of the left welding gun 531 are respectively connected with a pipeline 5311, and oil and gas are sprayed into the nozzle through the pipelines 5311 during welding. The right welding gun 631 has the same structure as the left welding gun 531.
The supporting table 11 is fixedly connected with two right first guide rails 65, the two right first guide rails 65 are arranged along the axial direction of the pipe fitting 10, the right sliding block 6 is matched with the two right first guide rails 65, the right first driving piece 61 is an air cylinder, the right first driving piece 61 is arranged on the supporting table 11, and a piston rod of the right first driving piece 61 is connected with the right sliding block 6.
The left side of the frame 1 is provided with a left feeding mechanism 71 and a left grabbing mechanism 7, the left feeding mechanism 71 sends the connector 20 to a specified position, and the left grabbing mechanism 7 grabs the connector 20 at the specified position and installs the connector on a left connector positioning seat 522.
The left feeding mechanism 71 comprises a left vibrating screen 711 and a left connecting head conveying track 712 arranged on the left side of the supporting table 11, one end of the left connecting head conveying track 712 is connected with an output port of the left vibrating screen 711, and the other end is a positioning point of the connecting head 20.
The left material grabbing mechanism 7 comprises a left mounting seat 72 fixedly connected with the frame 1, a material grabbing servo motor 73 and a left material grabbing cylinder 74, the left mounting seat 72 is provided with a left third guide rail 721 and two shaft seats, the left third guide rail 721 is parallel to the axial direction of the pipe fitting 10, the two shaft seats are provided with a left lead screw 75, the material grabbing servo motor 73 is arranged on the left mounting seat 72, a driving shaft of the material grabbing servo motor 73 is connected with the left lead screw 75, the left lead screw 75 is parallel to the axial direction of the pipe fitting 10, a left nut 751 is matched with the left lead screw 75, a left material grabbing slider 722 is matched with the left third guide rail 721, the left nut 751 is fixedly connected with the left material grabbing slider 722, the left material grabbing cylinder 74 is arranged on the left material grabbing slider 722, a piston rod of the left material grabbing cylinder 74 is arranged downwards, the piston rod of the left material grabbing cylinder 741 is connected with a left material grabbing head 741, and the left material grabbing head 741 can grab the connector 20 or release the connector 20; suction is generated when the left gripping head 741 is electrified, and the suction is eliminated when the left gripping head 741 is deenergized. The left connector positioning seat 522 is also provided with a magnetic device controlled by a power supply, and suction force is generated during welding so as to ensure that the connectors on the left connector positioning seat do not run. After welding, the suction force disappears, and the unloading is convenient.
The right side of the frame 1 is provided with a right feeding mechanism 81 and a right grabbing mechanism 8, the right feeding mechanism 81 sends the connector 20 to a specified position, and the right grabbing mechanism 8 grabs the connector 20 at the specified position and loads the connector 20 on a right connector positioning seat 622.
The right feeding mechanism 81 comprises a right vibrating screen 811 and a right connecting head conveying track 812 arranged on the right side of the supporting table 11, one end of the right connecting head conveying track 812 is connected with an output port of the right vibrating screen 811, and the other end is a positioning point of the connecting head 20.
The right material grabbing mechanism 8 comprises a right mounting seat 82 fixedly connected with the frame 1, a driving cylinder 83 and a right material grabbing cylinder 84, the right mounting seat 82 is provided with a right second guide rail 821, the right second guide rail 821 is parallel to the axial direction of the pipe fitting 10, a right material grabbing slider 822 is matched on the right second guide rail 821, the driving cylinder 83 is arranged on the right mounting seat 82, a piston rod of the driving cylinder 83 and the right material grabbing slider 822 form a hinge joint, the right material grabbing cylinder 84 is arranged on the right material grabbing slider 822, the piston rod of the right material grabbing cylinder 84 is arranged downwards, the piston rod of the right material grabbing cylinder 84 is connected with a right material grabbing head 841, and the right material grabbing head 841 can grab the connecting head 20 or release the connecting head 20. Suction is generated when the right gripper head 841 is energized, and is eliminated when the power is off. The right connector positioning seat 622 is provided with a magnetic device controlled by a power supply, and suction force is generated during welding to ensure that the connectors on the right connector positioning seat do not run. After welding, the suction force disappears, and the unloading is convenient.
The left bracket 2 is also provided with a left knocking air cylinder 25, one end of a left knocking rod 26 is hinged to the left bracket 2, the middle part of the left knocking rod 26 is hinged to a piston rod of the left knocking air cylinder 25, and the left knocking air cylinder 25 drives the left knocking rod 26 to knock the connector 20 on the left connector positioning seat 522 so that the connector 20 is accurately positioned on the left connector positioning seat 522;
The right support 3 is further provided with a right knocking cylinder 32, one end of a right knocking rod 33 is hinged to the right support 3, the middle of the right knocking rod 33 is hinged to a piston rod of the right knocking cylinder 32, and the right knocking cylinder 32 drives the right knocking rod 33 to knock the connector 20 on the right connector positioning seat 622 so that the connector 20 is accurately positioned on the right connector positioning seat 622.
The left bracket 2 is provided with a left air cylinder 27 at the side of the left supporting groove 21, a piston rod of the left air cylinder 27 is upwards arranged, the upper end of the piston rod of the left air cylinder 27 is fixedly connected with a left positioning block 271, and the upper end of the left positioning block 271 is provided with a V-shaped positioning groove; the right bracket 3 is provided with a right air cylinder 34 at the side of the right supporting groove 31, a piston rod of the right air cylinder 34 is upwards arranged, a right positioning block 341 is fixedly connected to the upper end of the piston rod of the right air cylinder 34, and a V-shaped positioning groove is arranged at the upper end of the right positioning block 341; when the piston rods of the left and right cylinders 27 and 34 are simultaneously extended, the left and right positioning blocks 271 and 341 each hold up the pipe 10 with the V-shaped positioning grooves so that the axis of the pipe 10 is in the horizontal direction.
The left bracket 2 is provided with a left first roller path 2a at the rear side of the left supporting groove 21, and the right bracket 3 is provided with a right first roller path 3a at the rear side of the right supporting groove 31;
The pipe storing and feeding mechanism 4 comprises a left vertical frame 41 and a right vertical frame 42, inclined supporting pieces 43 are fixedly connected to opposite side surfaces of the left vertical frame 41 and the right vertical frame 42, the two supporting pieces 43 are parallel to each other, when the piston rod of each supporting piece 43 is lower than one end of the supporting table 11, which is far away from the supporting table 11, a vertical limiting piece 44 is arranged at the lower end of the left vertical frame 41 and the right vertical frame 42, which is close to the supporting pieces 43, a pipe fitting 10 is stored between the two supporting pieces 43, the pipe fitting 10 at the lowest position is blocked by the two vertical limiting pieces 44, a feeding cylinder 45 with a piston rod facing upwards is arranged beside each vertical limiting piece 44, a feeding block 451 is arranged on the piston rod of the feeding cylinder 45, one side of each feeding block 451, which is close to the supporting piece 43, is downwards fixedly connected with a limiting rod 452, when the piston rods of the two feeding cylinders 45 are simultaneously stretched out, the two feeding blocks 451 jack up the pipe fitting 10 at the lowest position to pass the top ends of the two vertical limiting pieces 44, then fall down along a left first rolling path 2a and a right first rolling path 3a to the two supporting grooves 21, 31, the two pipe fittings 10 at the lowest position are continuously moved to the other two limiting rods 10, and when the two pipe fittings at the lowest position are continuously separated from the two limiting rods 10 at the lowest position, and the two pipe fitting 10 are continuously moved to the lowest position.
The left bracket 2 is provided with a left limit cylinder 28 beside the left first roller path 2a, a piston rod of the left limit cylinder 28 is upwards arranged, and a left stop block 281 is fixedly connected to the upper end of the piston rod of the left limit cylinder 28; the right bracket 3 is provided with a right limit cylinder 35 beside the right first roller path 3a, a piston rod of the right limit cylinder 35 is arranged upwards, and a right stop block 351 is fixedly connected to the upper end of the piston rod of the right limit cylinder 35; when the piston rods of the left limit cylinder 28 and the right limit cylinder 35 extend simultaneously, the left stop block 281 and the right stop block 351 block the pipe fitting 10 simultaneously, and when the piston rods of the left limit cylinder 28 and the right limit cylinder 35 return simultaneously, the pipe fitting 10 continues to roll down along the left first rolling path 2a and the right first rolling path 3a to the two supporting grooves 21 and 31; this ensures that the pipe 10 enters both of the support grooves 21, 31 at a gentle speed, improves the feeding reliability, and also improves the feeding rhythm, i.e., when there is a pipe 10 in the welding operation, other pipe 10 can be fed to the adjacent positions of the left block 281 and the right block 351.
The left vertical frame 41 and the right vertical frame 42 on one side of the vertical limiting piece 44 far away from the supporting table 11 are fixedly connected with a stop lever 46, the lower end of the stop lever 46 is provided with a vertical adjusting screw 461, and the vertical adjusting screw 461 can adjust the distance between the lower end of the vertical adjusting screw 461 and the supporting piece 43 in the vertical position so as to ensure that only one pipe fitting 10 can pass through the space between the lower end of the vertical adjusting screw 461 and the supporting piece 43.
The front side of the frame 1 is provided with a receiving rack 9, the left bracket 2 is provided with a left second rolling way 2b at the front side of a left supporting groove 21, and the right bracket 3 is provided with a right second rolling way 3b at the front side of a right supporting groove 31;
the left bracket 2 is provided with a left jacking pipe cylinder 29 at the side of the left supporting groove 21, a piston rod of the left jacking pipe cylinder 29 is upwards arranged, and a left jacking block 291 is fixedly connected to the upper end of the piston rod of the left jacking pipe cylinder 29; the right bracket 3 is provided with a right jacking pipe cylinder 36 at the side of the right supporting groove 31, a piston rod of the right jacking pipe cylinder 36 is upwards arranged, and a right jacking block 361 is fixedly connected to the upper end of the piston rod of the right jacking pipe cylinder 36; when the piston rods of the left jacking cylinder 29 and the right jacking cylinder 36 are simultaneously extended, the left jack 291 and the right jack 361 simultaneously jack up the pipe 10 so that the pipe 10 slides into the work receiving frame 9 along the left second raceway 2b and the right second raceway 3 b.
The working process of the embodiment is as follows:
The pipe fittings 10 are placed on the pipe storing and delivering mechanism 4, the left vibrating screen 711 and the right vibrating screen 811 are respectively provided with a plurality of connectors 20, when piston rods of the left limiting cylinder 28 and the right limiting cylinder 35 extend simultaneously, the left stop block 281 and the right stop block 351 respectively protrude out of the left first roller path 2a and the right first roller path 3a, then piston rods of the two delivering cylinders 45 extend simultaneously, the pipe fittings 10 at the lowest position are jacked by the two delivering blocks 451 to pass through the top ends of the two vertical limiting pieces 44 and roll down along the left first roller path 2a and the right first roller path 3a to be blocked by the left stop block 281 and the right stop block 351; after the left vibration screen 711 and the right vibration screen 811 are operated, the connector 20 is respectively sent to the positioning point of the left conveying rail 712 of the connector and the positioning point of the right conveying rail 812 of the connector;
When the welding is about to start, when the piston rods of the left limiting cylinder 28 and the right limiting cylinder 35 return simultaneously, the pipe fitting 10 continues to roll down along the left first rollaway nest 2a and the right first rollaway nest 3a to the two supporting grooves 21 and 31; the left grabbing mechanism 7 grabs and installs the connector 20 on the locating point of the left connector conveying rail 712 to the left connector locating seat 522; the right grabbing mechanism 8 grabs and installs the connector 20 on the locating point of the right connector conveying rail 812 onto the right connector locating seat 622. Then, the left knocking cylinder 25 drives the left knocking rod 26 to knock the connector 20 on the left connector positioning seat 522 so that the connector 20 is accurately positioned on the left connector positioning seat 522; the right knocking cylinder 32 drives the right knocking rod 33 to knock the connector 20 on the right connector positioning seat 622 so that the connector 20 is accurately positioned on the right connector positioning seat 622.
The piston rods of the left and right cylinders 27 and 34 extend simultaneously, and the left and right positioning blocks 271 and 341 each lift the pipe 10 by using a V-shaped positioning groove so that the axis of the pipe 10 is in the horizontal direction. The axis of the pipe 10 is also made to substantially overlap with the axes of the left and right rotating shafts 521 and 621.
Then, the left slider 5 and the right slider 6 are moved in opposite directions so that the connection heads 20 on the left connection head positioning seat 522 and the connection heads 20 on the right connection head positioning seat 622 are matched with and clamped with the two ends of the pipe 10, and then the left second driving member 534 and the right second driving member 634 respectively drive the left welding gun 531 and the right welding gun 631 to move to the welding positions. The right rotating shaft 621, the right connector positioning seat 622, the left rotating shaft 521, the left connector positioning seat 522, the two connectors 20 and the pipe fitting 10 are driven to rotate together by the driving mechanism 64 for one complete circle of welding.
After the welding is completed, when the piston rods of the left jacking cylinder 29 and the right jacking cylinder 36 are simultaneously extended, the left jacking block 291 and the right jacking block 361 simultaneously jack up the pipe 10 so that the pipe 10 slides into the material receiving frame 9 along the left second rolling path 2b and the right second rolling path 3 b. Realizing automatic discharging and circulating operation.
The above is only one preferred embodiment of the present invention and all equivalent changes to those skilled in the art according to the claims fall within the scope of the present invention.
Claims (8)
1. The utility model provides an automatic weld machine of scaffold pipe fitting and connector, includes the frame, is equipped with supporting bench, its characterized in that in the frame: the pipe storage and delivery mechanism is arranged on one side of the frame and is used for delivering the pipe fittings to the two supporting grooves one by one according to the welding rhythm;
The left sliding block is arranged on a supporting table on the left side of the left bracket, the left sliding block is driven to move back and forth along the axial direction of the pipe fitting through a left first driving piece, a left shaft seat and a left welding mechanism are arranged on the left sliding block, a left rotating shaft is arranged on the left shaft seat, the axial direction of the left rotating shaft is parallel to the moving direction of the left sliding block, a left connector positioning seat is fixedly connected to one end, close to the left bracket, of the left rotating shaft, the left rotating shaft is positioned or relaxed through a positioning mechanism, the left welding mechanism comprises a left welding gun and a left second driving piece, and the left second driving piece drives the left welding gun to move back and forth;
The right sliding block is arranged on a supporting table on the right side of the right bracket, the right sliding block is driven by a right first driving piece to move back and forth along the axial direction of the pipe fitting, a right shaft seat and a right welding mechanism are arranged on the right sliding block, a right rotating shaft is arranged on the right shaft seat, the axial direction of the right rotating shaft is parallel to the moving direction of the right sliding block, a right connector positioning seat is fixedly connected to one end, close to the right bracket, of the right rotating shaft, the right rotating shaft is positioned or rotated through a driving mechanism, the right welding mechanism comprises a right welding gun and a right second driving piece, and the right second driving piece drives the right welding gun to move back and forth;
The left side of the frame is provided with a left feeding mechanism and a left grabbing mechanism, the left feeding mechanism conveys the connectors to the appointed position, and the left grabbing mechanism grabs the connectors at the appointed position and installs the connectors on a left connector positioning seat; the right side of the frame is provided with a right feeding mechanism and a right grabbing mechanism, the right feeding mechanism conveys the connectors to the appointed position, and the right grabbing mechanism grabs the connectors at the appointed position and installs the connectors on a right connector positioning seat;
before welding, the left sliding block and the right sliding block move in opposite directions to enable the connectors on the left connector positioning seat and the connectors on the right connector positioning seat to be matched with and clamped with two ends of a pipe fitting, and then the left second driving piece and the right second driving piece respectively drive the left welding gun and the right welding gun to move to welding positions;
The left welding mechanism further comprises a left adjusting frame and a left mounting frame fixedly connected with the left sliding block, the left welding gun is connected to the left adjusting frame, a left second driving piece is mounted on the left mounting frame, and the left second driving piece drives the left welding gun to move back and forth through the left adjusting frame;
the left mounting frame is provided with a vertical rail, the left adjusting frame is matched with the vertical rail, the left second driving piece is a cylinder, and a piston rod of the left second driving piece is connected with the left adjusting frame; the left adjusting frame is provided with a vertical adjusting screw and a vertical guide pillar, an adjusting block is matched with the vertical guide pillar, a threaded through hole is arranged on the adjusting block and matched with the adjusting screw, the adjusting block is fixedly connected with a clamping assembly, and the left welding gun is fixedly connected with the clamping assembly;
The right welding mechanism further comprises a right adjusting frame and a right mounting frame fixedly connected with the right sliding block, the right welding gun is connected to the right adjusting frame, a right second driving piece is mounted on the right mounting frame, and the right second driving piece drives the right welding gun to move back and forth through the right adjusting frame;
The right mounting frame is provided with a vertical rail, the right adjusting frame is matched with the vertical rail, the right second driving piece is a cylinder, and a piston rod of the right second driving piece is connected with the right adjusting frame; the right adjusting frame is provided with a vertical adjusting screw and a vertical guide pillar, an adjusting block is matched with the vertical guide pillar, a threaded through hole is arranged on the adjusting block and matched with the adjusting screw, the adjusting block is fixedly connected with a clamping assembly, and the right welding gun is fixedly connected with the clamping assembly;
The left feeding mechanism comprises a left vibrating screen and a left connecting head conveying rail arranged on the left side of the supporting table, one end of the left connecting head conveying rail is connected with an output port of the left vibrating screen, and the other end of the left connecting head conveying rail is a locating point of the connecting head; the left material grabbing mechanism comprises a left mounting seat fixedly connected with the frame, a material grabbing servo motor and a left material grabbing cylinder, wherein the left mounting seat is provided with a left third guide rail and two shaft seats, the left third guide rail is parallel to the axial direction of the pipe fitting, the two shaft seats are provided with a left screw rod, the material grabbing servo motor is arranged on the left mounting seat, the left screw rod is connected with a material grabbing servo motor driving shaft, the left screw rod is parallel to the axial direction of the pipe fitting, a left nut is matched with the left screw rod, a left material grabbing sliding block is fixedly connected with the left nut on the left third guide rail, the left material grabbing cylinder is arranged on the left material grabbing sliding block, a piston rod of the left material grabbing cylinder is arranged downwards, and the piston rod of the left material grabbing cylinder is connected with a left material grabbing head which can grab or release a connector;
the right feeding mechanism comprises a right vibrating screen and a right conveying track of a connector, the right conveying track of the connector is arranged on the right side of the supporting table, one end of the right conveying track of the connector is connected with an output port of the right vibrating screen, and the other end of the right conveying track of the connector is a locating point of the connector; the right material grabbing mechanism comprises a right mounting seat, a driving cylinder and a right material grabbing cylinder, wherein the right mounting seat is fixedly connected with the frame, a right second guide rail is arranged on the right mounting seat, the right second guide rail is parallel to the axial direction of the pipe fitting, a right material grabbing sliding block is matched on the right second guide rail, the driving cylinder is arranged on the right mounting seat, a piston rod of the driving cylinder is hinged with the right material grabbing sliding block, the right material grabbing cylinder is arranged on the right material grabbing sliding block and the piston rod is downwards arranged, the piston rod of the right material grabbing cylinder is connected with a right material grabbing head, and the right material grabbing head can grab or release a connector.
2. An automated welding machine for scaffold tubes and connectors as defined in claim 1 wherein: the positioning mechanism comprises a positioning cylinder fixedly connected with the left sliding block, a piston rod of the positioning cylinder is fixedly connected with a clamping block, a V-shaped clamping groove is formed in the clamping block, a clamping part with a V-shaped cross section is arranged on the left rotating shaft, when the clamping groove is matched with the clamping part, the left rotating shaft is positioned, and when the clamping groove is separated from the clamping part, the left rotating shaft is loosened;
the driving mechanism comprises a servo motor fixedly connected with the right sliding block, and a driving shaft of the servo motor drives the right rotating shaft to rotate or enable the right rotating shaft to be positioned through a transmission mechanism.
3. An automated welding machine for scaffold tubes and connectors as defined in claim 1 wherein: the left support is provided with a left air cylinder at the side of the left supporting groove, a piston rod of the left air cylinder is upwards arranged, the upper end of the piston rod of the left air cylinder is fixedly connected with a left positioning block, and the upper end of the left positioning block is provided with a V-shaped positioning groove; the right support is provided with a right cylinder at the side of the right supporting groove, a piston rod of the right cylinder is upwards arranged, a right positioning block is fixedly connected to the upper end of the piston rod of the right cylinder, and a V-shaped positioning groove is formed in the upper end of the right positioning block; when piston rods of the left cylinder and the right cylinder extend simultaneously, the left positioning block and the right positioning block respectively utilize the V-shaped positioning groove to support the pipe fitting, so that the axis of the pipe fitting is in the horizontal direction.
4. An automated welding machine for scaffold tubes and connectors as defined in claim 1 wherein: the left support is fixedly connected to a base, two left first guide rails are fixedly connected to the upper end face of the base, the two left first guide rails are arranged along the axial direction of the pipe fitting, the left sliding block is matched with the two left first guide rails, the left first driving piece is an air cylinder, the left first driving piece is arranged on the base, and a piston rod of the left first driving piece is connected with the left sliding block;
The support table is fixedly connected with two left second guide rails, the two left second guide rails are arranged along the axial direction of the pipe fitting, the base is matched with the two left second guide rails, a worm gear mechanism is arranged on a rack below the support table, one end of a worm is fixedly connected with a hand wheel, the center of the worm wheel is fixedly connected with an adjusting screw rod, the axial direction of the adjusting screw rod is parallel to the pipe fitting, an adjusting nut is matched with the adjusting screw rod, and the adjusting nut is fixedly connected with the base through a connecting piece;
The supporting table is fixedly connected with two right first guide rails, the two right first guide rails are arranged along the axial direction of the pipe fitting, the right sliding block is matched with the two right first guide rails, the driving mechanism is arranged on the right sliding block, the right first driving piece is an air cylinder, the right first driving piece is arranged on the supporting table, and a piston rod of the right first driving piece is connected with the right sliding block.
5. An automated welding machine for scaffold tubes and connectors as defined in claim 1 wherein: the left support is also provided with a left knocking air cylinder, one end of a left knocking rod is hinged to the left support, the middle part of the left knocking rod is hinged to a piston rod of the left knocking air cylinder, and the left knocking air cylinder drives the left knocking rod to knock a connector on a left connector positioning seat so that the connector is accurately positioned on the left connector positioning seat;
The right support is also provided with a right knocking air cylinder, one end of a right knocking rod is hinged to the right support, the middle of the right knocking rod is hinged to a piston rod of the right knocking air cylinder, and the right knocking air cylinder drives the right knocking rod to knock a connector on a right connector positioning seat so that the connector is accurately positioned on the right connector positioning seat.
6. An automated welding machine for scaffold tubes and connectors according to any one of claims 1 to 5, wherein: the left support is provided with a left first raceway at the rear side of the left supporting groove, and the right support is provided with a right first raceway at the rear side of the right supporting groove;
The pipe storage and delivery mechanism comprises a left vertical frame and a right vertical frame, inclined supporting pieces are fixedly connected to opposite side surfaces of the left vertical frame and the right vertical frame, the two supporting pieces are parallel to each other, one end of each supporting piece, which is close to the supporting table, is lower than the other end, which is far away from the supporting table, of each supporting piece, vertical limiting pieces are arranged at the lower ends, which are close to the supporting pieces, of the left vertical frame and the right vertical frame, the pipe fitting is stored between the two supporting pieces, the pipe fitting at the lowest position is blocked by the two vertical limiting pieces, a feeding cylinder with an upward piston rod is arranged beside each vertical limiting piece, a feeding block is arranged on the piston rod of each feeding cylinder, one side, which is close to the supporting piece, is fixedly connected with a limiting rod downwards, and when the piston rods of the two feeding cylinders extend out simultaneously, the two feeding blocks jack up the top ends of the two vertical limiting pieces and then roll down onto the two supporting grooves along a left first rolling path and a right first rolling path, meanwhile, the other pipe fitting, which is close to the lowest position, is limited by the two limiting pieces, moves down, and the other pipe fitting, which is located at the lowest position, is separated from the two limiting pieces, and moves down to the other pipe fitting.
7. The automated welding machine for scaffold tubes and connectors as defined in claim 6, wherein: the left bracket is provided with a left limiting cylinder beside the left first roller path, a piston rod of the left limiting cylinder is upwards arranged, and a left stop block is fixedly connected to the upper end of the piston rod of the left limiting cylinder; the right bracket is provided with a right limiting cylinder beside the right first roller path, a piston rod of the right limiting cylinder is upwards arranged, and a right stop block is fixedly connected to the upper end of the piston rod of the right limiting cylinder; when the piston rods of the left limiting cylinder and the right limiting cylinder extend out simultaneously, the left stop block and the right stop block the pipe fitting simultaneously, and when the piston rods of the left limiting cylinder and the right limiting cylinder return simultaneously, the pipe fitting continues to roll down to the two supporting grooves along the left first rollaway nest and the right first rollaway nest;
The vertical limiting piece is far away from the left vertical frame and the right vertical frame on one side of the supporting table, the lower end of the stop lever is provided with a vertical adjusting screw, and the vertical adjusting screw can adjust the distance between the lower end of the vertical adjusting screw and the supporting piece at the vertical position so as to ensure that only one pipe fitting can pass through the space between the lower end of the vertical adjusting screw and the supporting piece.
8. An automated welding machine for scaffold tubes and connectors according to any one of claims 1 to 5, wherein: the other side of the frame is provided with a material receiving frame, the left support is provided with a left second rolling way at the front side of the left supporting groove, and the right support is provided with a right second rolling way at the front side of the right supporting groove;
The left support is provided with a left jacking pipe cylinder at the left supporting groove, a piston rod of the left jacking pipe cylinder is upwards arranged, and a left jacking block is fixedly connected to the upper end of the piston rod of the left jacking pipe cylinder; the right support is provided with a right jacking pipe cylinder at the side of the right supporting groove, a piston rod of the right jacking pipe cylinder is upwards arranged, and a right jacking block is fixedly connected to the upper end of the piston rod of the right jacking pipe cylinder; when piston rods of the left jacking pipe cylinder and the right jacking pipe cylinder extend out simultaneously, the left jacking block and the right jacking block jack up the pipe fitting simultaneously so that the pipe fitting slides into the material receiving frame along the left second rollaway nest and the right second rollaway nest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634465.7A CN109434343B (en) | 2018-12-29 | 2018-12-29 | Automatic welding machine for scaffold pipe fitting and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634465.7A CN109434343B (en) | 2018-12-29 | 2018-12-29 | Automatic welding machine for scaffold pipe fitting and connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109434343A CN109434343A (en) | 2019-03-08 |
| CN109434343B true CN109434343B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634465.7A Active CN109434343B (en) | 2018-12-29 | 2018-12-29 | Automatic welding machine for scaffold pipe fitting and connector |
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| Country | Link |
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| CN (1) | CN109434343B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112872662B (en) * | 2021-01-21 | 2022-10-18 | 广东省林正峰智能数字科技有限公司 | U-shaped seat welding machine for frame beam of folding table |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090029109A (en) * | 2007-09-17 | 2009-03-20 | (주)세우 | The welding machine for the hydraulic pipe |
| CN205996430U (en) * | 2016-09-19 | 2017-03-08 | 任丘市金狮焊机制造有限公司 | Scaffold cross bar double automatic welding device |
| CN108326480A (en) * | 2018-01-25 | 2018-07-27 | 南京嘉玺数控科技有限公司 | Shellfish thunder bar double-station automatic soldering device |
| CN209303935U (en) * | 2018-12-29 | 2019-08-27 | 漳州金上田智能科技有限公司 | A kind of automatic welding machine of scaffolding pipe fitting and connector |
-
2018
- 2018-12-29 CN CN201811634465.7A patent/CN109434343B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090029109A (en) * | 2007-09-17 | 2009-03-20 | (주)세우 | The welding machine for the hydraulic pipe |
| CN205996430U (en) * | 2016-09-19 | 2017-03-08 | 任丘市金狮焊机制造有限公司 | Scaffold cross bar double automatic welding device |
| CN108326480A (en) * | 2018-01-25 | 2018-07-27 | 南京嘉玺数控科技有限公司 | Shellfish thunder bar double-station automatic soldering device |
| CN209303935U (en) * | 2018-12-29 | 2019-08-27 | 漳州金上田智能科技有限公司 | A kind of automatic welding machine of scaffolding pipe fitting and connector |
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| CN109434343A (en) | 2019-03-08 |
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