CN114769784A - Automatic welding lifting system and lifting method - Google Patents
Automatic welding lifting system and lifting method Download PDFInfo
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- CN114769784A CN114769784A CN202210320878.8A CN202210320878A CN114769784A CN 114769784 A CN114769784 A CN 114769784A CN 202210320878 A CN202210320878 A CN 202210320878A CN 114769784 A CN114769784 A CN 114769784A
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- 238000003466 welding Methods 0.000 title claims abstract description 126
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 11
- 238000007689 inspection Methods 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000743 fusible alloy Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
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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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention discloses an automatic welding lifting system and a lifting method, and belongs to the technical field of welding. An automatic welding lifting system comprises a base, wherein a lifting assembly is arranged on the base, a connecting plate is arranged on the lifting assembly, a welding table is arranged on the connecting plate, a rotating assembly used for driving the welding table to rotate is arranged on the connecting plate, a reversing mechanism is arranged between the lifting assembly and the rotating assembly, the reversing mechanism comprises a moving frame connected to the base in a sliding mode and a rack block arranged on the moving frame, the reversing mechanism further comprises a driving assembly used for driving the rack block to move along a direction perpendicular to the moving frame displacement direction, a limiting assembly used for limiting the lifting assembly or the rotating assembly to work and a pedal plate arranged on the moving frame; the invention is convenient for reducing the labor intensity of workers, thereby reducing the detection difficulty of the workers on the welding parts, improving the inspection efficiency and the inspection effect of the welding parts, and ensuring the welding quality of the welding parts.
Description
Technical Field
The invention relates to the technical field of welding, in particular to an automatic welding lifting system and a lifting method.
Background
The process of joining metal parts by welding machines is the application of various fusible alloys (solders). The melting point of soldering tin is lower than that of the welded material, so that parts can be welded through intermolecular connection on the surfaces of the parts without being melted, the welding machine is of various types and can be roughly divided into an automatic welding machine and a non-automatic welding machine, the non-automatic welding machine is used for welding objects through a manual handheld device, and due to the fact that manual welding is used for a long time to cause certain damage to eyes and bodies of workers, the automatic welding machine is developed, automatic welding of the objects is achieved through chip control, and the manual welding mode is replaced.
The existing automatic welding machine generally carries out all-dimensional welding work by installing a mechanical arm to rotationally move the peripheral side of a workpiece, and after welding is finished, a worker is still required to check the welding part of a welding part so as to ensure the welding quality. However, the welding positions of the welding parts are different in height, so that workers need to bend down or climb a ladder for inspection, the labor intensity and the working difficulty of the workers are increased, the working efficiency of the workers is reduced, and the production efficiency of the welding parts is reduced.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an automatic welding lifting system and a lifting method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the automatic welding lifting system comprises a base, wherein a lifting assembly is arranged on the base, a connecting plate is arranged on the lifting assembly, a welding table is arranged on the connecting plate, a rotating assembly used for driving the welding table to rotate is arranged on the connecting plate, a reversing mechanism is arranged between the lifting assembly and the rotating assembly, the reversing mechanism comprises a moving frame and a rack block, the moving frame is connected to the base in a sliding mode, the rack block is arranged on the moving frame, the reversing mechanism further comprises a driving assembly used for driving the rack block to move along the direction perpendicular to the moving frame, a limiting assembly used for limiting the work of the lifting assembly or the rotating assembly, and a pedal plate arranged on the moving frame.
Preferably, the lifting assembly comprises a supporting plate fixedly arranged on the base, a screw rod is rotatably connected between the supporting plate and the base through a bearing, a sleeve is in threaded connection with the screw rod, and the sleeve is fixedly connected with the connecting plate.
Preferably, rotating assembly is including setting up the first telescopic link on the connecting plate, the flexible end of first telescopic link rotates with the connecting plate and links to each other, the one end that flexible end was kept away from to first telescopic link is passed through the bearing and is rotated and connect on the base, be provided with the master gear on the first telescopic link, the meshing of master gear outer wall is connected with the pinion, be connected with the axis of rotation on the pinion, the axis of rotation rotates with the connecting plate and links to each other, the one end that the connecting plate was kept away from in the axis of rotation is fixed continuous with the welding bench.
Preferably, the base is provided with a sliding groove, the inner wall of the sliding groove is connected with a sliding block in a sliding manner, a third elastic element is arranged between the sliding block and the inner wall of the sliding groove, and the top of the sliding block is fixedly connected with the movable frame.
Preferably, the driving assembly comprises a first gear and a second gear which are connected with the rack block in a meshed mode, the first gear and the second gear are connected to the screw rod and the first telescopic rod respectively, the driving assembly further comprises a working groove formed in the rack block, a lower pressing block is movably connected to the inner wall of the working groove, first inclined planes which are mutually abutted and pressed are arranged on the working groove and the lower pressing block, a sliding block is arranged on the rack block, a sliding groove matched with the sliding block is formed in the moving frame, and a first elastic element is arranged between the inner wall of the sliding groove and the sliding block.
Preferably, a movable groove is formed in the rack block, second elastic elements are arranged on two sides of the inner wall of the movable groove, and a rack plate is arranged between the second elastic elements.
Preferably, the limiting assembly comprises a moving plate, an elastic telescopic rod is arranged between the moving plate and the moving frame, the pedal plate is fixedly connected with the moving plate, a moving block is sleeved on the outer side of the moving plate, the moving plate is connected in the moving block in a sliding mode, the moving block is fixedly connected with a lower pressing block, an L-shaped plate is connected onto the moving block, one end, away from the moving block, of the L-shaped plate penetrates through a first telescopic rod and is connected with a telescopic plate, one end, away from the L-shaped plate, of the telescopic plate is fixedly connected with a base, a rotary table is arranged on the first telescopic rod, the limiting assembly further comprises a limiting rod arranged on the moving block and the L-shaped plate, and limiting holes matched with the limiting rod are formed in the rotary table and the first gear.
Preferably, the elastic telescopic rod comprises a sleeve and an inner rod, the sleeve and the inner rod are fixedly connected with the movable plate and the movable frame respectively, the sleeve is provided with an air outlet, the inner wall of the sleeve is connected with a piston block in a sliding manner, a fourth elastic element is arranged between the inner walls of the sleeve of the piston block, and one end, far away from the fourth elastic element, of the piston block is fixedly connected with the inner rod.
Preferably, the inner wall of the pedal is fixedly connected with a rotating rod, the outer wall of the rotating rod is rotatably connected with a swinging plate, the swinging plate is provided with anti-skid grains which are uniformly distributed, the rotating rod is sleeved with a torsional spring for resetting and rotating the swinging plate, the pedal is provided with an air bag, the swinging plate is movably abutted to the air bag, a movable cavity is formed in the sleeve, an air guide pipe is arranged between the movable cavity and the air bag, the inner wall of the movable cavity is slidably connected with a piston plate, a fifth elastic element is arranged between the piston plate and the inner wall of the movable cavity, one end, away from the fifth elastic element, of the piston plate is connected with a sealing plate for plugging an air outlet, and the sealing plate is slidably connected in the sleeve.
The invention also discloses a lifting method of the automatic welding lifting system, which comprises the following steps:
s1: after the workpieces on the welding table are welded, a worker inspects the workpieces from top to bottom, firstly, the worker steps on a pedal plate by feet, a forward tending force is applied to the pedal plate, the pedal plate drives a movable frame to slide forward, the movable frame drives a rack block to move synchronously when moving, at the moment, a rack plate on one side of the rack block is meshed with a first gear and is not meshed with a second gear, the first gear drives a screw rod to rotate, a sleeve moves on the outer side of the sleeve when the screw rod rotates and drives a connecting plate to move upwards, so that the welding table connected with the connecting plate moves upwards, and the worker inspects the welding points of the workpieces on the welding table from the upper side;
s2: when a worker needs to check the welding point position on the other side of one height of a workpiece, the pedal plate drives the movable plate to move downwards by applying a pressing action force on the pedal plate, the elastic telescopic rod is compressed, the movable plate drives the movable block and the L-shaped plate to move downwards when moving downwards, the lower pressing block extrudes the inclined plane of the working groove to enable the rack block to move in the movable frame, so that the rack plate is contacted and meshed with the second gear, meanwhile, the limiting rod on the L-shaped plate does not limit the turntable any more, namely, the rotation of the first telescopic rod is not limited any more, and the limiting rod on the movable block enters the limiting hole on the first gear to limit the rotation of the wire rod;
s3: then, forward acting force is continuously applied to the pedal, at the moment, a rack plate on a rack block is meshed with a second gear, the second gear drives a first telescopic rod to rotate, a main gear is meshed with a pinion on a rotating shaft when the first telescopic rod rotates, the rotating shaft drives a welding table to rotate, the welding table drives a welding workpiece to rotate, and a worker can check the welding point position on the other side;
s4: through the continuous adjustment of the worker to the reversing mechanism, the lifting assembly and the rotating assembly work alternately, and the worker checks the welding positions of the welding workpiece from top to bottom one by one.
Compared with the prior art, the invention provides an automatic welding lifting system and a lifting method, which have the following beneficial effects:
1. according to the automatic welding lifting system and the lifting method, the rotating assembly and the lifting assembly work alternately through the work of the reversing mechanism, so that a worker can conveniently check the welding positions of a welding workpiece from top to bottom one by one, the labor intensity of the worker is reduced, the detection difficulty of the worker on the welding part is reduced, the detection efficiency and the detection effect of the welding part are improved, and the welding quality of the welding workpiece is ensured.
2. According to the automatic welding lifting system and the automatic welding lifting method, when the reversing mechanism works, the limiting assemblies synchronously run, the limiting rods are matched with the limiting holes in the rotary disc or the first gear, one assembly works, the other assembly is static, and the situation that when a welding workpiece moves upwards, the welding workpiece rotates or rotates, the welding workpiece moves downwards to affect careful inspection of the welding point position by workers and cause error of an inspection result is avoided.
3. According to the automatic welding lifting system and the lifting method, the rack plate is elastically arranged in the movable groove, so that the rack plate can be automatically adapted to the first gear or the second gear when the reversing mechanism works, the gap is adjusted when the rack plate is meshed with the first gear or the second gear, zero-gap transmission of the rack and the gears is basically realized, the transmission precision is high, and the normal work of a lifting assembly and a rotating assembly is ensured.
4. According to the automatic welding lifting system and the lifting method, the sealing plate is arranged to seal the gas outlet of the sleeve, so that the height of the elastic telescopic rod is limited, and the situation that when forward acting force is applied to a pedal to enable the lifting assembly to work, the elastic telescopic rod is compressed, the reversing mechanism operates to enable the rotating assembly to work or the rotating assembly and the lifting assembly to not work, and the inspection of a welding workpiece by a worker is influenced is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the rotating assembly of the present invention;
FIG. 4 is a schematic cross-sectional view of a rack block of the present invention;
FIG. 5 is an external view of a rack block of the present invention;
FIG. 6 is a schematic cross-sectional view of the movable frame of the present invention;
FIG. 7 is a schematic view of the footrest of the present invention;
fig. 8 is a schematic sectional view of the elastic telescopic rod of the present invention.
In the figure: 1. a base; 2. a connecting plate; 3. a welding table; 4. a movable frame; 401. a chute; 402. a first elastic element; 5. a rack block; 501. a slider; 502. a movable groove; 5021. a second elastic element; 5022. a rack plate; 6. a foot pedal; 601. a rotating rod; 7. a support plate; 701. a screw rod; 7011. a first gear; 702. a sleeve; 8. a first telescopic rod; 801. a main gear; 802. a pinion gear; 803. a rotating shaft; 804. a second gear; 805. a turntable; 9. a sliding groove; 901. a slider; 902. a third elastic element; 10. pressing the block; 11. moving the plate; 12. a moving block; 121. an L-shaped plate; 122. a retractable plate; 13. a limiting rod; 131. a limiting hole; 14. an elastic telescopic rod; 141. a sleeve; 1411. a piston block; 1412. a fourth elastic element; 1413. an air outlet; 142. an inner rod; 15. a swing plate; 16. an air bag; 17. a movable cavity; 171. a piston plate; 172. a fifth elastic element; 173. a sealing plate; 18. and (7) a working groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The embodiment is as follows:
referring to fig. 1, 2, 3, 4, 5, 6 and 7, an automatic welding lifting system comprises a base 1, a lifting assembly is arranged on the base 1, a connecting plate 2 is arranged on the lifting assembly, a welding table 3 is arranged on the connecting plate 2, a rotating assembly used for driving the welding table 3 to rotate is arranged on the connecting plate 2, a reversing mechanism is arranged between the lifting assembly and the rotating assembly, the reversing mechanism comprises a moving frame 4 connected to the base 1 in a sliding mode and a rack block 5 arranged on the moving frame 4, the reversing mechanism further comprises a driving assembly used for driving the rack block 5 to move in a direction perpendicular to the displacement direction of the moving frame 4, a limiting assembly used for limiting the working of the lifting assembly or the rotating assembly, and a pedal plate 6 arranged on the moving frame 4.
Specifically, the back that the work piece welding on the welding bench 3 finishes, the staff carries out from last inspection extremely down to it, at first the staff foot is stepped on running-board 6, control reversing mechanism operation, through reversing mechanism work, make rotating assembly and lifting unit work in turn, the staff of being convenient for inspects welding workpiece from last welding point position extremely down one by one, staff's intensity of labour has been reduced, thereby reduce the detection degree of difficulty of staff to welding, and improved the inspection efficiency and the inspection effect to welding, thereby guarantee welding workpiece's welding quality.
Referring to fig. 1, 2 and 3, as a preferred technical solution of the present invention, the lifting assembly includes a supporting plate 7 fixedly disposed on the base 1, a lead screw 701 is rotatably connected between the supporting plate 7 and the base 1 through a bearing, a sleeve 702 is threadedly connected to the lead screw 701, and the sleeve 702 is fixedly connected to the connecting plate 2; through the rotation of the screw rod 701, when the screw rod 701 rotates, the sleeve 702 moves outside the screw rod 701 and drives the connecting plate 2 to move upwards, so that the welding table 3 connected with the connecting plate 2 moves upwards, and a worker can check the welding point of a workpiece on the welding table 3 from the upper side.
Referring to fig. 1, fig. 2 and fig. 3, as a preferred technical solution of the present invention, the rotating assembly includes a first telescopic rod 8 disposed on the connecting plate 2, a telescopic end of the first telescopic rod 8 is rotatably connected to the connecting plate 2, one end of the first telescopic rod 8 away from the telescopic end is rotatably connected to the base 1 through a bearing, a main gear 801 is disposed on the first telescopic rod 8, a pinion 802 is engaged with an outer wall of the main gear 801, the pinion 802 is connected to a rotating shaft 803, the rotating shaft 803 is rotatably connected to the connecting plate 2, and one end of the rotating shaft 803 away from the connecting plate 2 is fixedly connected to the welding table 3; through the rotation of the first telescopic rod 8, when the first telescopic rod 8 rotates, the main gear 801 is meshed with the pinion 802 on the rotating shaft 803, so that the rotating shaft 803 drives the welding table 3 to rotate, the welding table 3 drives the welding workpiece to rotate, and a worker can check the welding point position on the other side.
Referring to fig. 1, as a preferred technical solution of the present invention, a sliding groove 9 is formed on a base 1, a sliding block 901 is slidably connected to an inner wall of the sliding groove 9, a third elastic element 902 is disposed between the sliding block 901 and the inner wall of the sliding groove 9, and the top of the sliding block 901 is fixedly connected to a moving frame 4; when the movable frame 4 moves, the slider 901 slides in the sliding groove 9, so that the moving stability of the movable frame 4 is improved.
Referring to fig. 1, 2, 3, 4, 5 and 6, as a preferred technical solution of the present invention, the driving assembly includes a first gear 7011 and a second gear 804 engaged with the rack block 5, the first gear 7011 and the second gear 804 are respectively connected to the lead screw 701 and the first telescopic rod 8, the driving assembly further includes a working groove 18 formed on the rack block 5, an inner wall of the working groove 18 is movably connected with the lower pressing block 10, first inclined planes pressed against each other are formed on the working groove 18 and the lower pressing block 10, the rack block 5 is provided with a sliding block 501, the moving frame 4 is provided with a sliding groove 401 matched with the sliding block 501, and a first elastic element 402 is disposed between an inner wall of the sliding groove 401 and the sliding block 501.
Further, a movable groove 502 is formed in the rack block 5, second elastic elements 5021 are arranged on two sides of the inner wall of the movable groove 502, and a rack plate 5022 is arranged between the two second elastic elements 5021.
Specifically, when an operator needs to check the welding point position of the other side of one of the heights of the workpiece, the lower pressing block 10 is moved downwards in the rack block 5, the lower pressing block 10 presses the inclined surface of the working groove 18, the rack block 5 is moved in the moving frame 4, the rack plate 5022 is in contact with and meshed with the second gear 804, the rack plate 5022 is elastically arranged in the moving groove 502, the rack plate 5022 can be automatically matched with the first gear 7011 or the second gear 804 when the reversing mechanism works, the rack plate 5022 is enabled to be in clearance adjustment when being meshed with the gears, zero-clearance transmission of the racks and the gears is basically achieved, transmission precision is high, and the rotating assembly can work.
Referring to fig. 1, 2 and 4, as a preferred technical solution of the present invention, the limiting component includes a moving plate 11, an elastic telescopic rod 14 is disposed between the moving plate 11 and the moving frame 4, the pedal 6 is fixedly connected to the moving plate 11, a moving block 12 is sleeved outside the moving plate 11, the moving plate 11 is slidably connected to the moving block 12, the moving block 12 is fixedly connected to a lower pressing block 10, an L-shaped plate 121 is connected to the moving block 12, one end of the L-shaped plate 121 far away from the moving block 12 passes through a first telescopic rod 8 and is connected to a telescopic plate 122, one end of the telescopic plate 122 far away from the L-shaped plate 121 is fixedly connected to the base 1, a rotary table 805 is disposed on the first telescopic rod 8, the limiting component further includes a limiting rod 13 disposed on the moving block 12 and the L-shaped plate 121, and a limiting hole 131 matched with the limiting rod 13 is disposed on the rotary table 805 and a first gear 7011; specifically, the pedal 6 drives the moving plate 11 to move downwards by applying a downward pressing acting force on the pedal 6, the elastic telescopic rod 14 is compressed, the moving plate 11 drives the moving block 12 and the L-shaped plate 121 to move downwards when moving downwards until the moving block 12 abuts against the top wall of the moving frame 4, at this time, the limiting rod 13 on the L-shaped plate 121 does not limit the rotating disc 805 any more, namely, the rotating of the first telescopic rod 8 is not limited any more, the limiting rod 13 on the moving block 12 enters the limiting hole 131 on the first gear 7011 to limit the rotating of the lead screw 701, and by means of synchronous operation of the limiting components when the reversing mechanism works, the limiting rod 13 is matched with the limiting hole 131 on the rotating disc 805 or the first gear 7011, so that when one of the components works, the other component stands still, the point position is prevented from moving downwards when a welding workpiece moves upwards or rotates, and the careful inspection of welding of a worker is influenced, resulting in errors in the inspection results.
Referring to fig. 1, 7 and 8, as a preferred technical solution of the present invention, the elastic telescopic rod 14 includes a sleeve 141 and an inner rod 142, the sleeve 141 and the inner rod 142 are respectively and fixedly connected to the moving plate 11 and the moving frame 4, an air outlet 1413 is formed on the sleeve 141, a piston block 1411 is slidably connected to an inner wall of the sleeve 141, a fourth elastic element 1412 is disposed between inner walls of the sleeve 141 of the piston block 1411, and an end of the piston block 1411 far away from the fourth elastic element 1412 is fixedly connected to the inner rod 142.
Furthermore, a rotating rod 601 is fixedly connected to the inner wall of the pedal 6, the outer wall of the rotating rod 601 is rotatably connected with a swing plate 15, anti-slip patterns which are uniformly distributed are arranged on the swing plate 15, a torsion spring used for resetting and rotating the swing plate 15 is sleeved on the rotating rod 601, an air bag 16 is arranged on the pedal 6, the swing plate 15 movably abuts against the air bag 16, a movable cavity 17 is formed in the sleeve 141, an air guide pipe is arranged between the movable cavity 17 and the air bag 16, a piston plate 171 is slidably connected to the inner wall of the movable cavity 17, a fifth elastic element 172 is arranged between the piston plate 171 and the inner wall of the movable cavity 17, one end, away from the fifth elastic element 172, of the piston plate 171 is connected with a sealing plate 173 used for plugging the air outlet 1413, and the sealing plate 173 is slidably connected in the sleeve 141.
Specifically, when the device initially works or the lifting assembly works, the swing plate 15 on the pedal 6 presses against the airbag 16, so that the gas in the airbag 16 is discharged into the movable cavity 17 through the air duct and acts on the piston plate 171, the piston plate 171 drives the sealing plate 173 to seal the gas outlet 1413 in the sleeve 141, the height of the elastic telescopic rod 14 is limited, and the situation that when a forward acting force is applied to the pedal 6 to enable the lifting assembly to work, the elastic telescopic rod 14 is compressed to cause the reversing mechanism to run, the rack block 5 is meshed with the second gear 804 to enable the rotating assembly to work, or the rack block 5 is not meshed with the first gear 7011 and the second gear 804 to enable the rotating assembly and the lifting assembly to not work is avoided, so that the inspection of a welding workpiece by a worker is influenced, when the rotating assembly needs to be controlled to work, firstly, the foot applies an acting force to the swing plate 15, so that the swing plate 15 rotates around the rotating rod 601, the swing plate 15 does not extrude the air bag 16 any more, the piston plate 171 recovers under the action of the fifth elastic element 172 and drives the sealing plate 173 to move upwards, at this time, the air outlet 1413 is not sealed any more, the swing plate 15 is continuously applied with a downward pressing force, the swing plate 15 applies a force to the pedal 6, the downward pressing block 10 is further abutted against the rack block 5, the rack block 5 is moved and meshed with the second gear 804, and at this time, the pedal 6 is driven forwards again, so that the rotating assembly works.
The invention also discloses a lifting method of the automatic welding lifting system, which comprises the following steps:
s1: after the workpieces on the welding table 3 are welded, a worker inspects the workpieces from top to bottom, firstly, the worker steps on the pedal 6 to apply a forward force to the pedal 6, so that the pedal 6 drives the movable frame 4 to slide forward, the movable frame 4 drives the rack block 5 to move synchronously when moving, at the moment, a rack plate 5022 on one side of the rack block 5 is meshed with a first gear 7011 and is not meshed with a second gear 804, the first gear 7011 drives the screw rod 701 to rotate, and when the screw rod 701 rotates, the sleeve 702 moves on the outer side of the sleeve and drives the connecting plate 2 to move upwards, so that the welding table 3 connected with the connecting plate 2 moves upwards, and the worker inspects the welding points of the workpieces on the welding table 3 from the upper side;
s2: when a worker needs to inspect the welding point on the other side of one height of a workpiece, the pedal 6 is pressed to apply acting force to the pedal 6, so that the pedal 6 drives the movable plate 11 to move downwards, the elastic telescopic rod 14 is compressed, the movable block 12 and the L-shaped plate 121 are driven to move downwards when the movable plate 11 moves downwards, the lower pressing block 10 extrudes the inclined surface of the working groove 18, the rack block 5 moves in the movable frame 4, the rack plate 5022 is in contact with and meshed with the second gear 804, meanwhile, the limiting rod 13 on the L-shaped plate 121 does not limit the rotating disc 805 any more, namely, the rotation of the first telescopic rod 8 is not limited any more, the limiting rod 13 on the movable block 12 enters the limiting hole 131 on the first gear 7011, and the rotation of the lead screw 701 is limited;
s3: then, forward acting force is continuously applied to the pedal 6, at the moment, the rack plate 5022 on the rack block 5 is meshed with the second gear 804, the second gear 804 drives the first telescopic rod 8 to rotate, the main gear 801 is meshed with the pinion 802 on the rotating shaft 803 when the first telescopic rod 8 rotates, the rotating shaft 803 drives the welding table 3 to rotate, the welding table 3 drives the welding workpiece to rotate, and a worker can check the welding point position on the other side;
s4: through the continuous adjustment of the worker to the reversing mechanism, the lifting assembly and the rotating assembly work alternately, and the worker inspects the welding positions of the welding workpieces from top to bottom one by one.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. An automatic welding lifting system comprises a base (1) and is characterized in that a lifting component is arranged on the base (1), a connecting plate (2) is arranged on the lifting component, a welding table (3) is arranged on the connecting plate (2), a rotating component for driving the welding table (3) to rotate is arranged on the connecting plate (2), a reversing mechanism is arranged between the lifting component and the rotating component, the reversing mechanism comprises a moving frame (4) which is connected with the base (1) in a sliding way and a rack block (5) which is arranged on the moving frame (4), the reversing mechanism further comprises a driving assembly for driving the rack block (5) to move along the direction vertical to the displacement direction of the moving frame (4), a limiting assembly for limiting the operation of the lifting assembly or the rotating assembly, and a pedal plate (6) arranged on the moving frame (4).
2. The automatic welding lifting system according to claim 1, wherein the lifting assembly comprises a support plate (7) fixedly arranged on the base (1), a lead screw (701) is rotatably connected between the support plate (7) and the base (1) through a bearing, a sleeve (702) is in threaded connection with the lead screw (701), and the sleeve (702) is fixedly connected with the connecting plate (2).
3. The automatic welding lifting system of claim 2, characterized in that the rotating assembly comprises a first telescopic rod (8) arranged on the connecting plate (2), the telescopic end of the first telescopic rod (8) is rotatably connected with the connecting plate (2), one end of the first telescopic rod (8) far away from the telescopic end is rotatably connected to the base (1) through a bearing, a main gear (801) is arranged on the first telescopic rod (8), a secondary gear (802) is meshed and connected to the outer wall of the main gear (801), a rotating shaft (803) is connected to the secondary gear (802), the rotating shaft (803) is rotatably connected with the connecting plate (2), and one end of the rotating shaft (803) far away from the connecting plate (2) is fixedly connected with the welding table (3).
4. The automatic welding lifting system of claim 3, characterized in that a sliding groove (9) is formed in the base (1), a sliding block (901) is slidably connected to an inner wall of the sliding groove (9), a third elastic element (902) is arranged between the sliding block (901) and the inner wall of the sliding groove (9), and the top of the sliding block (901) is fixedly connected with the movable frame (4).
5. The automated welding lifting system of claim 3, wherein the drive assembly comprises a first gear (7011) and a second gear (804) in meshing engagement with the rack block (5), the first gear (7011) and the second gear (804) are respectively connected to the screw rod (701) and the first telescopic rod (8), the driving component also comprises a working groove (18) arranged on the rack block (5), the inner wall of the working groove (18) is movably connected with a lower pressing block (10), the working groove (18) and the lower pressing block (10) are provided with first inclined planes which are mutually pressed, a sliding block (501) is arranged on the rack block (5), a sliding groove (401) matched with the sliding block (501) is arranged on the movable frame (4), a first elastic element (402) is arranged between the inner wall of the sliding groove (401) and the sliding block (501).
6. The automatic welding lifting system according to claim 5, wherein a movable groove (502) is formed in the rack block (5), second elastic elements (5021) are arranged on two sides of the inner wall of the movable groove (502), and a rack plate (5022) is arranged between the two second elastic elements (5021).
7. The automatic welding lifting system according to claim 5, wherein the limiting assembly comprises a moving plate (11), an elastic telescopic rod (14) is arranged between the moving plate (11) and the moving frame (4), the pedal (6) is fixedly connected with the moving plate (11), a moving block (12) is sleeved outside the moving plate (11), the moving plate (11) is slidably connected in the moving block (12), the moving block (12) is fixedly connected with the lower pressing block (10), an L-shaped plate (121) is connected to the moving block (12), one end of the L-shaped plate (121) far away from the moving block (12) penetrates through the first telescopic rod (8) and is connected with a telescopic plate (122), one end of the telescopic plate (122) far away from the L-shaped plate (121) is fixedly connected with the base (1), and a rotary table (805) is arranged on the first telescopic rod (8), the limiting assembly further comprises a limiting rod (13) arranged on the moving block (12) and the L-shaped plate (121), and limiting holes (131) matched with the limiting rod (13) are formed in the rotary table (805) and the first gear (7011).
8. The automatic welding lifting system of claim 7, wherein the elastic telescopic rod (14) comprises a sleeve (141) and an inner rod (142), the sleeve (141) and the inner rod (142) are fixedly connected with the moving plate (11) and the moving frame (4) respectively, an air outlet (1413) is formed in the sleeve (141), a piston block (1411) is connected to the inner wall of the sleeve (141) in a sliding manner, a fourth elastic element (1412) is arranged between the inner walls of the sleeve (141) of the piston block (1411), and one end, far away from the fourth elastic element (1412), of the piston block (1411) is fixedly connected with the inner rod (142).
9. The automatic welding lifting system according to claim 8, wherein a rotating rod (601) is fixedly connected to the inner wall of the pedal plate (6), the outer wall of the rotating rod (601) is rotatably connected with a swinging plate (15), the swinging plate (15) is provided with anti-skid threads which are uniformly distributed, a torsion spring for returning and rotating the swinging plate (15) is sleeved on the rotating rod (601), the pedal plate (6) is provided with an air bag (16), the swinging plate (15) is movably abutted to the air bag (16), a movable cavity (17) is formed in the sleeve (141), an air guide pipe is arranged between the movable cavity (17) and the air bag (16), the inner wall of the movable cavity (17) is slidably connected with a piston plate (171), a fifth elastic element (172) is arranged between the piston plate (171) and the inner wall of the movable cavity (17), and one end, far away from the fifth elastic element (172), of the piston plate (171) is connected with a sealing device for sealing the air outlet (1413) A plate (173), the sealing plate (173) being slidably connected within the sleeve (141).
10. A method of lifting an automated welding lifting system according to any of claims 1 to 9, comprising the steps of:
s1: after the workpieces on the welding table (3) are welded, a worker inspects the workpieces from top to bottom, firstly, the worker steps on the pedal (6) with feet to apply a forward tending force to the pedal (6), so that the pedal (6) drives the movable frame (4) to slide forward, the movable frame (4) drives the rack block (5) to move synchronously, at the moment, the rack plate (5022) on one side of the rack block (5) is meshed with the first gear (7011) and is not meshed with the second gear (804), the first gear (7011) drives the screw rod (701) to rotate, the sleeve (702) moves on the outer side of the screw rod (701) and drives the connecting plate (2) to move upwards when the screw rod (701) rotates, the welding table (3) connected with the connecting plate (2) moves upwards, and the worker inspects the welding points of the workpieces on the welding table (3) from the upper side;
s2: when a worker needs to check the welding point position on the other side of one height of the workpiece, the pedal (6) drives the movable plate (11) to move downwards by applying a downward pressing acting force on the pedal (6), the elastic telescopic rod (14) is compressed, the movable plate (11) drives the movable block (12) and the L-shaped plate (121) to move downwards when moving downwards, the lower pressing block (10) extrudes the inclined plane of the working groove (18) to enable the rack block (5) to move in the movable frame (4) so that the rack plate (5022) is contacted and meshed with the second gear (804), meanwhile, the limiting rod (13) on the L-shaped plate (121) does not limit the turntable (805), namely, the rotation of the first telescopic rod (8) is not limited any more, and the limiting rod (13) on the moving block (12) enters the limiting hole (131) on the first gear (7011) to limit the rotation of the screw rod (701);
s3: then, forward acting force is continuously applied to the pedal (6), at the moment, a rack plate (5022) on a rack block (5) is meshed with a second gear (804), so that the second gear (804) drives a first telescopic rod (8) to rotate, when the first telescopic rod (8) rotates, a main gear (801) is meshed with a pinion (802) on a rotating shaft (803), the rotating shaft (803) drives a welding table (3) to rotate, the welding table (3) drives a welding workpiece to rotate, and a worker can check the welding point on the other side;
s4: through the continuous adjustment of the worker to the reversing mechanism, the lifting assembly and the rotating assembly work alternately, and the worker checks the welding positions of the welding workpiece from top to bottom one by one.
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| CN115228920A (en) * | 2022-08-18 | 2022-10-25 | 安徽建筑大学 | Ecological environment comprehensive restoration system |
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| CN114769784B (en) | 2024-02-20 |
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