CN117884836A - Automatic welding station for workpieces - Google Patents
Automatic welding station for workpieces Download PDFInfo
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- CN117884836A CN117884836A CN202410302020.8A CN202410302020A CN117884836A CN 117884836 A CN117884836 A CN 117884836A CN 202410302020 A CN202410302020 A CN 202410302020A CN 117884836 A CN117884836 A CN 117884836A
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- 238000003466 welding Methods 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 238000001125 extrusion Methods 0.000 claims abstract description 23
- 210000001503 joint Anatomy 0.000 claims description 29
- 230000000670 limiting effect Effects 0.000 claims description 25
- 238000003032 molecular docking Methods 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000005381 potential energy Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 16
- 239000002131 composite material Substances 0.000 description 8
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0538—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an automatic welding station for workpieces, which relates to the technical field of welding, and comprises a main body frame, wherein the main body frame comprises a mounting table arranged on the main body frame, a cylindrical table is fixedly arranged on the surface of the mounting table, a rotating plate is rotatably connected to the surface of the cylindrical table, and a rotating mechanism is further arranged, the rotating mechanism comprises four groups of semicircular fixing plates arranged on the rotating plate, the inner wall of each semicircular fixing plate is slidably connected with a semicircular rack, a clamping plate penetrates through the inner part of each semicircular rack, the semicircular racks are slidably connected with the clamping plate, the clamping plate is mutually attached to the semicircular racks to form a closed circular structure, meanwhile, elastic potential energy of a fastening spring is increased through backward extrusion of a pipeline to the clamping plate, and then the pipeline is fixed through the two groups of clamping plates, so that a regulation mode that a clamp is required to pass through the pipeline for fixing in a long distance is achieved for pipelines with different lengths is achieved.
Description
Technical Field
The invention relates to the technical field of welding, in particular to an automatic workpiece welding station.
Background
Along with the development of industry at present, welding becomes the important process step of work piece processing, can be effectual with two work pieces firm combination together through the welding, and the welding technique of present mill is constantly advancing, not only considers two parts firm in welding, also can consider welded leakproofness, just so can guarantee the quality that the product used, avoids appearing welding problem.
At present, in the process of welding the pipeline, the pipeline is positioned, fixed and butted through the clamp under the conventional condition, and meanwhile, the pipeline is subjected to rotary welding through the automatic device during welding, but because the lengths of the pipelines are different, and the clamp is of an integral annular structure, the clamp needs to be displaced to pass through the pipeline when clamping the pipeline, so that different pipelines are required to be matched with each other in different displacement lengths, and the production efficiency is greatly reduced.
Based on this, the present invention has devised an automatic workpiece welding station to solve the above-mentioned problems.
Disclosure of Invention
The embodiment of the invention aims to provide an automatic workpiece welding station, which aims to solve the technical problems in the prior art mentioned in the background art.
Embodiments of the present invention are achieved by an automatic workpiece welding station comprising:
main body frame: the device comprises a mounting table arranged on a main body frame, wherein a cylindrical table is fixedly arranged on the surface of the mounting table, and a rotating plate is rotatably connected to the surface of the cylindrical table;
a rotating mechanism: the device comprises four groups of semicircular fixing plates arranged on a rotating plate, wherein the inner wall of each semicircular fixing plate is connected with a semicircular rack in a sliding manner, the inside of each semicircular rack is penetrated with a clamping plate, the clamping plates are connected with the semicircular racks in a sliding manner, and the clamping plates are connected with the semicircular racks through fastening springs;
and a clamping mechanism: the clamping plates used for driving the same group are mutually close to fix the pipeline, and meanwhile, the limiting effect of the limiting mechanism on the semicircular rack is relieved;
the butt joint mechanism comprises: the two semicircular fixing plates are used for driving the two symmetrical groups of semicircular fixing plates to move towards the middle so that the two pipelines are close to each other;
the supporting mechanism comprises: for supporting the pipe before clamping.
Further, clamping mechanism is including seting up in the inside clamping groove of semicircle fixed plate, clamping groove's inner wall contact has four linkage clamping bars, every linkage clamping bar keeps away from clamping groove's one end all and links to each other with the slide bar is fixed, slide bar's surface sliding connection has two sliding sleeve, every sliding sleeve's surface all fixed mounting has two spliced poles, every sliding sleeve's surface all fixed mounting has the initiative rack, initiative rack and rotation gear engagement, rotation gear and linkage rack engagement, the one end fixed mounting that rotation gear was kept away from to the linkage rack has the linkage backup pad, and the fixed surface of linkage backup pad installs two other spliced poles.
Still further, docking mechanism is including seting up in the inside butt joint groove of semicircle fixed plate, the inner wall contact in butt joint groove has four butt joint poles, the equal fixed mounting of one end that the butt joint groove was kept away from to every butt joint pole has the butt joint slider, butt joint slider and circulation platform sliding connection, circulation platform's fixed surface has the ratchet ring, the coaxial rotation in surface of ratchet ring and cylinder platform is connected, the surface rotation of butt joint slider is connected with a set of swinging arms, the one end that the butt joint slider was kept away from to every swinging arms all rotates with the main part slider to be connected, the fixed surface mounting of main part slider has the support slide, the bottom fixed mounting of support slide has the support slide bar, the surface rotation of support slide bar is connected with rotation gear, the support slide bar runs through inside sliding sleeve and linkage backup pad, and support slide bar and sliding connection of sliding sleeve and linkage backup pad.
Still further, supporting mechanism is including seting up in the special-shaped groove in semicircle fixed plate surface, and the surface contact in special-shaped groove has the spout pole, and the one end fixed mounting who is away from the special-shaped groove of spout pole has the linkage bracing piece, and the surface sliding connection of linkage bracing piece has two support round bars, and the one end fixed mounting that the linkage bracing piece was kept away from to every support round bar has the rectangular plate, and the surface fixed mounting of rectangular plate has two pipeline backup pads, and every pipeline backup pad all runs through in supporting slide, and pipeline backup pad and supporting slide sliding connection.
Still further, stop gear includes a set of extrusion slider with semicircle fixed plate surface sliding connection, and the surface of every extrusion slider is all rotated and is connected with the extrusion pendulum rod, and the one end that extrusion slider was kept away from to the extrusion pendulum rod rotates with the removal slider to be connected, links to each other through reset spring between removal slider and the semicircle fixed plate, and the fixed surface of removal slider installs the removal round bar, and the removal round bar runs through in the inside of stopper and with stopper fixed connection, stopper and semicircle fixed plate's surface sliding connection, and stopper and semicircle ring rack's surface sliding connection.
Still further, the welding station still includes actuating mechanism, actuating mechanism includes fixed mounting in the driving motor of cylinder platform surface, driving motor's output fixed mounting has initiative bevel gear, initiative bevel gear meshes with compound bevel gear dish, compound bevel gear dish meshes with ratchet ring gear mutually, and compound bevel gear dish meshes with two intermediate gears mutually, the surface of every intermediate gear all fixed mounting has ratchet gear, ratchet gear rotates with the surface of circulation platform to be connected, ratchet gear meshes with the movable gear, the movable gear rotates with the surface of semicircle fixed plate to be connected, the one end fixed mounting who keeps away from ratchet gear has bevel gear, bevel gear runs through in semicircle fixed plate and rotates with semicircle fixed plate to be connected, the coaxial fixedly connected with circulation gear of surface of bevel gear group, circulation gear meshes with semicircle rack.
Furthermore, four fixed cylinders are fixedly arranged on the surface of the rotating plate, the inner wall of each fixed cylinder is in sliding connection with the movable cylinder, the fixed cylinders are connected with the movable cylinder through compression springs, and linkage support rods are fixedly arranged on the surface of the movable cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, revolution is started through the butt joint mechanism, the four groups of semicircular fixing plates are driven to move in opposite directions under the action of the clamping mechanism at the moment, each group of semicircular fixing plates and the semicircular racks are mutually attached to form a closed circular structure, meanwhile, elastic potential energy of a fastening spring is increased through backward extrusion of the pipeline on the clamping plates, so that the pipeline is fixed, each pipeline is fixed through the two groups of clamping plates, and therefore, the adjustment mode that the clamp is required to pass through the pipeline for fixing in a long-distance stroke manner for pipelines with different lengths is achieved.
2. When the mechanism moves to the second station b, the clamping plate is used for fixing the pipeline at the moment, the docking mechanism continues to revolve to drive the pipeline to move from the second station b to the third station c, at the moment, two groups of semicircular fixing plates corresponding to the same pipeline are respectively moved towards each other under the action of the docking mechanism, and at the moment, the two pipelines are docked, so that the automatic docking function is achieved.
3. According to the invention, when the two pipelines are just butted at the third station c, the two pipelines are driven to rotate at the same speed under the autorotation action of each group of semicircular racks, and the welding gun is used for welding and fixing the pipelines, so that the aim of automatic constant-speed welding is fulfilled.
4. After welding, the pipeline is driven to move from the third station c to the fourth station d under the action of the butt joint mechanism, the clamping plate is released under the action of the clamping mechanism, and then rapid blanking is performed at the fourth station d, so that the aims of rapid cyclic welding and welding efficiency improvement are fulfilled.
Drawings
FIG. 1 is a schematic view of a work piece automatic welding station according to an embodiment of the present invention;
FIG. 2 is a schematic view of the installation position structure of the rotating plate of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5 at C in accordance with the present invention;
FIG. 7 is a schematic cross-sectional view of another view of an automated workpiece welding station of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7 at D in accordance with the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 7 at E in accordance with the present invention;
FIG. 10 is an enlarged schematic view of the structure of FIG. 7 at F in accordance with the present invention;
FIG. 11 is a schematic cross-sectional view at yet another perspective of an automated workpiece welding station of the present invention;
FIG. 12 is a schematic view of the mounting location of the docking rod of the present invention;
FIG. 13 is a schematic view of the mounting location of the profiled groove of the present invention;
FIG. 14 is a schematic view showing the structure of the installation position of the rectangular plate of the present invention;
fig. 15 is an enlarged view of the structure of fig. 14 at G according to the present invention.
In the accompanying drawings: 1. a main body frame; 101. a mounting table; 102. a cylinder table; 103. a rotating plate; 104. a fixed cylinder; 105. a compression spring; 106. a movable cylinder; 2. a rotation mechanism; 201. a semicircular fixing plate; 202. a semicircular rack; 203. a clamping plate; 204. a fastening spring; 3. a clamping mechanism; 301. a clamping groove; 302. a linkage clamping rod; 303. a slide bar; 304. a sliding sleeve; 305. a connecting column; 306. a driving rack; 307. rotating the gear; 308. a linkage rack; 309. a linkage support plate; 4. a docking mechanism; 401. a butt joint groove; 402. a butt joint rod; 403. a butt-joint sliding block; 404. a swinging rod; 405. a main body slider; 406. a support slide plate; 407. supporting a slide bar; 408. a circulation station; 409. ratchet ring; 5. a limiting mechanism; 501. extruding a sliding block; 502. extruding the swing rod; 503. moving the slide block; 504. a return spring; 505. moving the round rod; 506. a limiting block; 6. a driving mechanism; 601. a driving motor; 602. active bevel teeth; 603. composite conical fluted disc; 604. an intermediate gear; 605. a ratchet gear; 606. a moving gear; 607. a bevel gear set; 608. a circulation gear; 7. a support mechanism; 701. a special-shaped groove; 702. a chute rod; 703. a linkage support rod; 704. supporting the round rod; 705. a rectangular plate; 706. a duct support plate; a. a first station; b. a second station; c. a third station; d. and a fourth station.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that the terms "first," "second," and the like, as used herein, may be used to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another element.
As shown in fig. 4, 5, 11, 12 and 13, in one embodiment, an automatic workpiece welding station is provided, the welding station comprising:
main body frame 1: the device comprises a mounting table 101 arranged on a main body frame 1, wherein a cylindrical table 102 is fixedly arranged on the surface of the mounting table 101, and a rotating plate 103 is rotatably connected to the surface of the cylindrical table 102;
rotation mechanism 2: the device comprises four groups of semicircular fixing plates 201 arranged on a rotating plate 103, wherein the inner wall of each semicircular fixing plate 201 is slidably connected with a semicircular rack 202, a clamping plate 203 penetrates through the inside of each semicircular rack 202, the clamping plate 203 is slidably connected with each semicircular rack 202, and the clamping plates 203 are connected with the semicircular racks 202 through fastening springs 204;
clamping mechanism 3: the clamping plates 203 used for driving the same group are mutually close to fix the pipeline, and meanwhile, the limiting effect of the limiting mechanism 5 on the semicircular racks 202 is relieved;
docking mechanism 4: the two semicircular fixing plates 201 are used for driving the symmetrical two groups to move towards the middle so that the two pipelines are close to each other;
support mechanism 7: for supporting the pipe before clamping.
When the embodiment of the invention is actually applied, when a workpiece is required to be welded, two pipelines are clamped and placed on two supporting mechanisms 7 of a first station a through a robot, at the moment, a docking mechanism 4 starts to revolve, moves from the first station a to a second station b, at the moment, under the action of a clamping mechanism 3, four groups of semicircular fixing plates 201 are driven to move in opposite directions, at the moment, each group of semicircular fixing plates 201 and semicircular racks 202 are mutually attached to form a closed circular structure, the limiting effect of a limiting mechanism 5 on the semicircular racks 202 is relieved under the docking action of the semicircular fixing plates 201, meanwhile, the elastic potential energy of a fastening spring 204 is increased through the backward extrusion of the pipelines on the clamping plates 203, so that the pipelines are fixed, each pipeline is fixed through the two groups of clamping plates 203, and the pipelines with different lengths are avoided, when the clamp moves to the second station b, the clamping plate 203 fixes the pipeline, the docking mechanism 4 continues to revolve to drive the pipeline to move from the second station b to the third station c, at the moment, two groups of semicircular fixing plates 201 corresponding to the same pipeline respectively move towards each other under the action of the docking mechanism 4, at the moment, the two pipelines are docked, when the docking of the two pipelines is just completed, at the moment, the two pipelines are driven to rotate at the same speed under the action of the rotation of each group of semicircular racks 202, at the moment, the welding gun welds and fixes the pipelines, so that the aim of automatic uniform welding is fulfilled, at the third station c, the supporting mechanism 7 does not support the pipelines under the action of the supporting mechanism 7, thereby reach and avoid supporting mechanism 7 to produce frictional force to the pipeline when pipeline at the uniform velocity rotates, influence the uniform velocity rotation of pipeline and lead to welding failure, after the welding finishes, drive the pipeline and move to fourth station d department from third station c under the effect of docking mechanism 4 this moment, make clamping plate 203 release the pipeline of welding finishing under the effect of clamping mechanism 3, and then carry out quick unloading in fourth station d department to reach quick cyclic welding, improve welding efficiency's purpose.
As shown in fig. 1, 3, 5, 7 and 11, as a preferred embodiment of the present invention, the clamping mechanism 3 includes a clamping groove 301 opened in the semi-circular fixing plate 201, the inner wall of the clamping groove 301 contacts four linkage clamping rods 302, one end of each linkage clamping rod 302 far away from the clamping groove 301 is fixedly connected with a sliding rod 303, the surface of the sliding rod 303 is slidably connected with two sliding sleeves 304, two connecting posts 305 are fixedly mounted on the surface of each sliding sleeve 304, a driving rack 306 is fixedly mounted on the surface of each sliding sleeve 304, the driving rack 306 is meshed with a rotating gear 307, the rotating gear 307 is meshed with a linkage rack 308, one end of the linkage rack 308 far away from the rotating gear 307 is fixedly mounted with a linkage supporting plate 309, and the surface of the linkage supporting plate 309 is fixedly mounted with two other connecting posts 305.
In practical application, when a pipeline moves from a first station a to a second station b, as shown in fig. 11, the track of the clamping groove 301 continuously approaches to the central axis of the cylindrical table 102, the linkage clamping rod 302 is driven to move towards the center of the cylindrical table 102 under the action of the clamping groove 301, as shown in fig. 7, the movement of the linkage clamping rod 302 drives the sliding sleeve 304 to move towards the central axis position close to the cylindrical table 102 through the sliding rod 303 in the front view direction, as shown in fig. 3, the movement of the sliding rod 303 drives the driving rack 306 to move downwards obliquely right through the sliding sleeve 304, at this time, the driving rack 306 drives the rotating gear 307 to rotate through the meshing action of the rotating gear 307, and then the linkage rack 308 and the driving rack 306 are driven to move in opposite directions through the meshing action of the rotating gear 307 and the linkage rack 308, at this time, the sliding sleeve 304 and the linkage support plate 309 move in opposite directions under the action of the driving rack 306 and the linkage rack 308, as shown in fig. 7 and 3, the opposite directions of the sliding sleeve 304 and the linkage support plate 309 drive each group of semicircular fixing plates 201 to move in opposite directions through the connecting post 305, as shown in fig. 5, at this time, the semicircular fixing plates 201 drive the clamping plates 203 to move in opposite directions through the semicircular racks 202, so as to clamp the pipeline, as shown in fig. 1, each group of semicircular fixing plates 201 at the second station b moves to a closed state, at this time, each group of semicircular fixing plates 201 and each group of semicircular racks 202 form a closed ring, so as to achieve the purpose of automatically fixing the pipeline, as shown in fig. 11, at the same time, at the second station b to the third station c, since the track of the clamping groove 301 is equal to the central axis position of the cylindrical table 102, therefore, the second station b moves to the third station c to always keep the clamping state of the pipeline, and when the third station c moves to the fourth station d, the track of the clamping groove 301 is continuously far away from the central axis of the cylinder table 102, and the linkage clamping rod 302 moves reversely at this time, so that the clamping plate 203 moves reversely to release the welded steel pipe, thereby achieving the functions of automatically and circularly clamping and releasing the steel pipe.
As shown in fig. 5, 8 and 12, as a further preferred embodiment of the present invention, the docking mechanism 4 includes a docking slot 401 opened inside the semi-circular fixing plate 201, four docking rods 402 are contacted to the inner wall of the docking slot 401, a docking slide 403 is fixedly installed at one end of each docking rod 402 far away from the docking slot 401, the docking slide 403 is slidably connected with a circulation table 408, a ratchet ring 409 is fixedly installed at the surface of the circulation table 408, the ratchet ring 409 is coaxially and rotatably connected with the surface of the cylindrical table 102, a set of swinging rods 404 is rotatably connected at the surface of the docking slide 403, one end of each swinging rod 404 far away from the docking slide 403 is rotatably connected with the main body slide 405, a supporting slide 406 is fixedly installed at the surface of the main body slide 405, a supporting slide 407 is fixedly installed at the bottom of the supporting slide 407, a rotating gear 307 is rotatably connected at the surface of the supporting slide 407, the supporting slide 407 penetrates inside the sliding sleeve 304 and the sliding slide bar 309, and the supporting slide 407 is slidably connected with the sliding sleeve 304 and the supporting plate 309.
In practical application, when the pipeline moves from the first station a to the second station b, as shown in fig. 12, the track of the butt joint groove 401 is unchanged from the central axis of the cylindrical table 102, the butt joint rod 402 does not move, when the pipeline moves from the second station b to the third station c, the track of the butt joint groove 401 is closer to the central axis of the cylindrical table 102, the butt joint rod 402 is driven to move towards the position close to the central axis of the cylindrical table 102, as shown in fig. 8, the butt joint slide block 403 is driven to swing by the movement of the group of swing rods 404, the main body slide block 405 is driven to move downwards obliquely leftwards along the slide groove, the main body slide block 405 at the other end moves towards each other, at this time, the movement of the main body sliding block 405 drives the supporting sliding plate 406 to move in the same direction, as shown in fig. 5, the supporting sliding plate 406 drives the sliding sleeve 304 and the linkage supporting plate 309 to move in the same direction through the supporting sliding rod 407, meanwhile, the supporting sliding rod 407 plays a role in stabilizing and supporting the sliding sleeve 304 and the linkage supporting plate 309, and further drives the two pipes to move in opposite directions through the semicircular fixing plate 201, at this time, the two pipes are butted at the third station c, so that welding operation is performed, when the welding operation is completed, from the third station c to the fourth station d, because the track distance of the butting groove 401 is the same from the central axis of the cylindrical table 102, at this time, the semicircular fixing plate 201 keeps the butted state of the pipes, and when the semicircular fixing plate 201 moves back to the first station a again from the fourth station d, the track radius of the butting groove 401 starts to increase, at this time, the semicircular fixing plate 201 resets, thereby achieving the purpose of automatically butting the clamped pipeline in a circulating way.
As shown in fig. 5, 13 and 14, as a further preferred embodiment of the present invention, the supporting mechanism 7 includes a shaped groove 701 formed on the surface of the semi-circular fixing plate 201, the surface of the shaped groove 701 contacts with a sliding groove rod 702, one end of the sliding groove rod 702 away from the shaped groove 701 is fixedly provided with a linkage supporting rod 703, the surface of the linkage supporting rod 703 is slidably connected with two supporting round rods 704, one end of each supporting round rod 704 away from the linkage supporting rod 703 is fixedly provided with a rectangular plate 705, the surface of the rectangular plate 705 is fixedly provided with two pipe supporting plates 706, each pipe supporting plate 706 penetrates through the supporting sliding plate 406, and the pipe supporting plates 706 are slidably connected with the supporting sliding plate 406.
In practical application, when a welded pipeline is clamped and abutted to a third station c, as shown in fig. 13, the arc track of the special-shaped groove 701 drives the chute rod 702 to move downwards, so as to drive the linkage support rod 703 to move downwards, as shown in fig. 14, the movement of the linkage support rod 703 drives the rectangular plate 705 to move downwards through the support round rod 704, and as shown in fig. 5, the support round rod 704 is in sliding connection with the linkage support rod 703, which is equivalent to the sliding connection state of the sliding block on the sliding rail, so that when the support slide plate 406 drives the pipeline support plate 706 to move, the pipeline support plate 706 slides on the linkage support rod 703 through the support round rod 704, so that the transverse movement of the pipeline support plate 706 is not interfered, and when the rectangular plate 705 moves downwards, the pipeline support plate 706 is separated from the pipeline, so that the problem that the friction force is generated on the pipeline when the pipeline is welded and rotated, the welding quality is influenced is solved, and meanwhile, the pipeline support plate 706 is always supported on the circumference of the special-shaped groove 701 when the first station a, the second station b and the fourth station d are in sliding connection state, so that the pipeline is convenient to perform blanking operation.
As shown in fig. 6, as another preferred embodiment of the present invention, the limiting mechanism 5 includes a set of extrusion sliders 501 slidably connected to the surface of the semicircular fixing plate 201, an extrusion swinging rod 502 is rotatably connected to the surface of each extrusion slider 501, one end of the extrusion swinging rod 502 away from the extrusion slider 501 is rotatably connected to the moving slider 503, the moving slider 503 is connected to the semicircular fixing plate 201 through a return spring 504, a moving round rod 505 is fixedly mounted on the surface of the moving slider 503, the moving round rod 505 penetrates through the inside of the limiting block 506 and is fixedly connected to the limiting block 506, the limiting block 506 is slidably connected to the surface of the semicircular fixing plate 201, and the limiting block 506 is slidably connected to the surface of the semicircular rack 202.
In practical application, as shown in fig. 6, when a group of semicircular fixing plates 201 move in opposite directions to form a circular shape, at this time, the semicircular fixing plates 201 drive the extrusion sliding blocks 501 to move in opposite directions to extrude, at this time, the extrusion sliding blocks 501 are driven to move in opposite directions under the action of interaction force, at this time, the extrusion sliding blocks 501 are driven to swing by the extrusion swinging rods 502, the movement of the extrusion swinging rods 502 drive the movable sliding blocks 503 to move downwards, the downward movement of the movable sliding blocks 503 compresses the return springs 504, the return springs 504 are used for resetting a later mechanism, and at the same time, the downward movement of the movable sliding blocks 503 drives the limiting blocks 506 to move downwards through the movable round rods 505, at this time, the limiting blocks 506 do not limit the semicircular racks 202 any more, and form circular rotation when the semicircular racks 202 rotate, so that the limiting effect of the semicircular racks 202 is realized, and separation from the semicircular fixing plates 201 under the action of gravity when the semicircular racks 202 are separated.
As shown in fig. 7, 8 and 15, as a further preferred embodiment of the present invention, the welding station further includes a driving mechanism 6, the driving mechanism 6 includes a driving motor 601 fixedly installed on the surface of the cylindrical table 102, an output end of the driving motor 601 is fixedly provided with a driving bevel gear 602, the driving bevel gear 602 is meshed with a composite bevel gear 603, the composite bevel gear 603 is meshed with a ratchet ring 409, the composite bevel gear 603 is meshed with two intermediate gears 604, a ratchet gear 605 is fixedly installed on the surface of each intermediate gear 604, the ratchet gear 605 is rotatably connected with the surface of the circulation table 408, the ratchet gear 605 is meshed with a moving gear 606, the moving gear 606 is rotatably connected with the surface of the semicircular fixing plate 201, one end of the moving gear 606 away from the ratchet gear 605 is fixedly installed with a bevel gear set 607, the bevel gear set 607 penetrates through the semicircular fixing plate 201 and is rotatably connected with the semicircular fixing plate 201, a circulation gear 608 is coaxially fixedly connected with the surface of the bevel gear set 607, and the circulation gear 608 is meshed with the semicircular rack 202.
In practical application, when the cyclic welding operation is performed, as shown in fig. 7, the driving motor 601 starts to operate, the driving bevel gear 602 is driven to rotate forward by the output end of the driving motor 601, at this time, the rotation of the driving bevel gear 602 drives the composite bevel gear 603 to rotate, the composite bevel gear 603 drives the ratchet gear 409 to rotate because the composite bevel gear 603 is meshed with the inner ring gear of the ratchet ring 409, each time the ratchet gear 409 rotates for a quarter turn, the cycle among the first station a, the second station b, the third station c and the fourth station d is continuously performed, when the ratchet gear 409 rotates for a quarter turn, the driving motor 601 drives the driving bevel gear 602 to rotate reversely, because the ratchet gear 409 is provided with ratchets, at this time, the ratchet gear 409 is not driven to rotate reversely, and the reverse rotation of the driving bevel gear 602 drives the composite bevel gear 603 to rotate reversely, as shown in fig. 8, the counter rotation of the compound bevel gear 603 drives the intermediate gear 604 to rotate, the intermediate gear 604 drives the coaxial ratchet gear 605 to synchronously rotate, at this time, at the third station c, since the ratchet gear 605 is meshed with the moving gear 606, at this time, the ratchet gear 605 drives the moving gear 606 to rotate, and here, it should be noted that, the moving gear 606 does not interfere with the ratchet gear 605 along with the movement of the semicircle fixing plate 201 at the first station a, the second station b and the fourth station d, and only at the third station c, the ratchet gear 605 is meshed with the moving gear 606, as shown in fig. 15, at this time, the rotation of the moving gear 606 drives the bevel gear set 607 to rotate, and then drives the circulation gear 608 to rotate, the rotation of the circulation gear 608 drives the semicircle rack 202 to rotate, at this time, the pipe is driven to rotate at a uniform speed, so as to facilitate rapid welding, and the welding quality is ensured.
As shown in fig. 10, as another preferred embodiment of the present invention, four fixed cylinders 104 are fixedly installed on the surface of the rotating plate 103, the inner wall of each fixed cylinder 104 is slidably connected with the movable cylinder 106, the fixed cylinder 104 is connected with the movable cylinder 106 through a compression spring 105, and a linkage support rod 703 is fixedly installed on the surface of the movable cylinder 106.
In practical application, as shown in fig. 10, when the linkage support rod 703 moves up and down, the movable cylinder 106 is driven to slide up and down in the fixed cylinder 104, and the compression spring 105 is used for resetting the device, so that the linkage support rod 703 is effectively supported in a moving way, and meanwhile, the fixed cylinder 104 synchronously rotates along with the rotating plate 103 when moving among the first station a, the second station b, the third station c and the fourth station d, so that the stability of movement is increased.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (4)
1. An automated workpiece welding station, the welding station comprising:
main body frame (1): the device comprises a mounting table (101) arranged on a main body frame (1), a cylindrical table (102) is fixedly arranged on the surface of the mounting table (101), and a rotating plate (103) is rotatably connected to the surface of the cylindrical table (102);
rotation mechanism (2): the device comprises four groups of semicircular fixing plates (201) arranged on a rotating plate (103), wherein the inner wall of each semicircular fixing plate (201) is slidably connected with a semicircular rack (202), a clamping plate (203) penetrates through the inside of each semicircular rack (202), the clamping plate (203) is slidably connected with each semicircular rack (202), and the clamping plates (203) are connected with the semicircular racks (202) through fastening springs (204);
clamping mechanism (3): the clamping plates (203) used for driving the same group are mutually close to fix the pipeline, and meanwhile, the limiting effect of the limiting mechanism (5) on the semicircular rack (202) is relieved;
docking mechanism (4): the two semicircular fixing plates (201) are used for driving the symmetrical two groups of semicircular fixing plates to move towards the middle so that the two pipelines are close to each other;
supporting mechanism (7): the support is used for supporting the pipeline before clamping;
the clamping mechanism (3) comprises a clamping groove (301) which is formed in the semicircular fixing plate (201), four linkage clamping rods (302) are contacted with the inner wall of the clamping groove (301), one end, far away from the clamping groove (301), of each linkage clamping rod (302) is fixedly connected with a sliding rod (303), two sliding sleeves (304) are connected to the surface of the sliding rod (303) in a sliding mode, two connecting columns (305) are fixedly arranged on the surface of each sliding sleeve (304), a driving rack (306) is fixedly arranged on the surface of each sliding sleeve (304), the driving rack (306) is meshed with a rotating gear (307), the rotating gear (307) is meshed with a linkage rack (308), a linkage supporting plate (309) is fixedly arranged at one end, far away from the rotating gear (307), of each linkage supporting plate (309), and two other connecting columns (305) are fixedly arranged on the surface of each linkage supporting plate (309);
the butt joint mechanism (4) comprises a butt joint groove (401) formed in the semi-circular fixing plate (201), four butt joint rods (402) are contacted with the inner wall of the butt joint groove (401), one end, far away from the butt joint groove (401), of each butt joint rod (402) is fixedly provided with a butt joint sliding block (403), the butt joint sliding blocks (403) are in sliding connection with a circulating table (408), the surface of the circulating table (408) is fixedly provided with a ratchet ring (409), the ratchet ring (409) is coaxially and rotatably connected with the surface of the cylindrical table (102), the surface of the butt joint sliding block (403) is rotatably connected with a group of swinging rods (404), one end, far away from the butt joint sliding blocks (403), of each swinging rod (404) is rotatably connected with a main body sliding block (405), the surface of the main body sliding block (405) is fixedly provided with a supporting sliding plate (406), the bottom of the supporting sliding plate (406) is fixedly provided with a supporting sliding rod (407), the surface of the supporting sliding rod (407) is rotatably connected with a rotating gear (307), the supporting sliding rod (407) penetrates through the inside a sliding sleeve (304) and the supporting plate (309), and the supporting sliding rod (407) is in sliding connection with the sliding sleeve (309).
The supporting mechanism (7) comprises a special-shaped groove (701) formed in the surface of the semicircular fixing plate (201), a chute rod (702) is arranged in surface contact with the special-shaped groove (701), a linkage supporting rod (703) is fixedly arranged at one end of the chute rod (702) away from the special-shaped groove (701), two supporting round rods (704) are connected with the surface of the linkage supporting rod (703) in a sliding manner, a rectangular plate (705) is fixedly arranged at one end of each supporting round rod (704) away from the linkage supporting rod (703), two pipeline supporting plates (706) are fixedly arranged on the surface of the rectangular plate (705), each pipeline supporting plate (706) penetrates through the supporting sliding plate (406), and the pipeline supporting plates (706) are in sliding connection with the supporting sliding plate (406).
2. The automatic workpiece welding station according to claim 1, wherein the limiting mechanism (5) comprises a group of extrusion sliding blocks (501) which are in sliding connection with the surface of the semicircular fixing plate (201), the surface of each extrusion sliding block (501) is rotationally connected with an extrusion swinging rod (502), one end, far away from the extrusion sliding block (501), of each extrusion swinging rod (502) is rotationally connected with the corresponding movable sliding block (503), the movable sliding block (503) is connected with the semicircular fixing plate (201) through a reset spring (504), a movable round rod (505) is fixedly arranged on the surface of the movable sliding block (503), the movable round rod (505) penetrates through the inside of the limiting block (506) and is fixedly connected with the limiting block (506), the limiting block (506) is in sliding connection with the surface of the semicircular fixing plate (201), and the limiting block (506) is in sliding connection with the surface of the semicircular rack (202).
3. The automatic workpiece welding station according to claim 1, further comprising a driving mechanism (6), wherein the driving mechanism (6) comprises a driving motor (601) fixedly mounted on the surface of the cylindrical table (102), a driving bevel gear (602) is fixedly mounted at the output end of the driving motor (601), the driving bevel gear (602) is meshed with a compound bevel gear disk (603), the compound bevel gear disk (603) is meshed with a ratchet ring (409), the compound bevel gear disk (603) is meshed with two intermediate gears (604), a ratchet gear (605) is fixedly mounted on the surface of each intermediate gear (604), the ratchet gear (605) is rotatably connected with the surface of the circulation table (408), the ratchet gear (605) is meshed with a moving gear (606), the moving gear (606) is rotatably connected with the surface of the semicircular fixing plate (201), a bevel gear set (607) is fixedly mounted at one end of the moving gear (606) far away from the ratchet gear (605), the compound bevel gear disk (603) penetrates through the semicircular fixing plate (201) and is rotatably connected with the semicircular fixing plate (201), the surface of the bevel gear set (607) is coaxially connected with the bevel gear (607), and the circular gear (608) is fixedly connected with the circular rack (608).
4. An automatic workpiece welding station according to claim 1, characterized in that the surface of the rotating plate (103) is fixedly provided with four fixed cylinders (104), the inner wall of each fixed cylinder (104) is slidably connected with the movable cylinder (106), the fixed cylinders (104) are connected with the movable cylinder (106) through compression springs (105), and the surface of the movable cylinder (106) is fixedly provided with linkage support rods (703).
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| CN202410302020.8A CN117884836B (en) | 2024-03-18 | 2024-03-18 | Automatic welding station for workpieces |
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| CN202410302020.8A CN117884836B (en) | 2024-03-18 | 2024-03-18 | Automatic welding station for workpieces |
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| CN117884836B CN117884836B (en) | 2024-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118253965A (en) * | 2024-05-30 | 2024-06-28 | 长春汽车工业高等专科学校 | Auxiliary frame bushing press-fitting equipment |
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| US4373129A (en) * | 1978-07-03 | 1983-02-08 | General Electric Company | Apparatus for assembling and welding vented cell covers |
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| CN117884836B (en) | 2024-07-16 |
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