CN115008097B - Front axle circular tube welding robot - Google Patents
Front axle circular tube welding robot Download PDFInfo
- Publication number
- CN115008097B CN115008097B CN202210814422.7A CN202210814422A CN115008097B CN 115008097 B CN115008097 B CN 115008097B CN 202210814422 A CN202210814422 A CN 202210814422A CN 115008097 B CN115008097 B CN 115008097B
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- Prior art keywords
- plate
- arc
- fixing
- butt joint
- front axle
- Prior art date
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- 238000003466 welding Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 102
- 210000001503 joint Anatomy 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 56
- 238000007493 shaping process Methods 0.000 claims description 21
- 210000000078 claw Anatomy 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 241000826860 Trapezium Species 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 2
- 238000003032 molecular docking Methods 0.000 description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001360 synchronised 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—External pipe alignment clamps
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of automobile part welding, in particular to a front axle circular tube welding robot; comprises a supporting frame, a conveying mechanism, a pre-fixing mechanism, a butt joint mechanism, a joint robot and a feeding mechanism; the invention solves the problems that the manual scribing positioning operation is complicated, the distance between the supports is not easy to change and adjust, and the welding efficiency of the front axle round tube is affected in the welding process of the front axle of the round tube front axle and the supports at present; the circular arc surface of the front shaft and the support are easy to rotate when the front shaft is in butt joint with the support for welding, so that the support is offset, the welding quality is affected, and the mounting of a later plate spring is affected; the invention improves the positioning and butt joint efficiency of the front axle circular tube and ensures the welding stability of the front axle circular tube.
Description
Technical Field
The invention relates to the technical field of automobile part welding, in particular to a front axle circular tube welding robot.
Background
The front axle is a device for transmitting the acting force between the frame and the front wheel and the bending moment and torque generated by the acting force, and is mainly used for bearing, braking, steering and other functions, and is divided into a drum type and a disc type according to the braking mode, and is divided into an air brake and a liquid brake according to the braking mode, and the front axle mainly comprises a front axle, a main pin, a steering knuckle, a braking assembly, a knuckle arm, a tie rod assembly and the like.
The front axle is mainly composed of a main pin opening and a plate spring support, the front axle is of an I-shaped structure and a circular tube-shaped structure, and when the plate spring support is welded, the front axle needs to symmetrically weld the two supports on two sides of the middle part of a circular tube of the front axle by manually measuring and finding a dot-dash line.
However, the following problems mainly exist in the welding process of the front axle and the support of the current round tube front axle: firstly, manual scribing and positioning operations are complicated, and the change and adjustment of the distance between the supports are not easy, so that the welding efficiency of the front axle round tube is affected; secondly, for the front axle of tubular shape, when welding with the support butt joint, the arc surface of front axle rotates easily with the support between, thereby leads to the support skew and influences the installation of welding quality and later stage leaf spring.
So in order to improve the positioning and butt joint efficiency of the front axle circular tube, the welding stability of the front axle circular tube is ensured; the invention provides a front axle circular tube welding robot.
Disclosure of Invention
In order to achieve the above purpose, the present invention adopts the following technical scheme: a front axle circular tube welding robot comprises a support frame, a conveying mechanism, a pre-fixing mechanism, a butt joint mechanism, a joint robot and a feeding mechanism; the support frame be upper end open-ended "mouth" shape structure, the top of support frame is provided with conveying mechanism, conveying mechanism's upper right side is provided with docking mechanism, two are installed respectively and are used for welded joint robot about docking mechanism, docking mechanism's right side is provided with feeding mechanism, and feeding mechanism's one end is located docking mechanism under.
The conveying mechanism comprises a supporting plate, a base, annular conveying guide rails and sliding seats, wherein one supporting plate is respectively arranged on opposite faces of two horizontal sections on the upper portion of the supporting frame, the base is jointly arranged on opposite faces of the lower portions of the two supporting plates, one annular conveying guide rail is respectively arranged on one side end face of the supporting plate far away from the base, the sliding seats are uniformly arranged on the annular conveying guide rails, the sliding seats are driven by chain transmission pieces, and the pre-fixing mechanism is arranged on the two sliding seats opposite to the two annular conveying guide rails.
The butt joint mechanism include mount, a cylinder, clamp plate, mounting and butt joint spare, conveying mechanism's upper right side is provided with the mount, the mount is the U shape structure of falling, and two vertical sections of mount are installed at the up end of support frame, a cylinder is installed to the up end of mount, the flexible end of a cylinder extends to in the mount, the clamp plate is installed to the flexible end of a cylinder, the clamp plate is the U type structure of falling, and both ends and two vertical sections sliding fit of mount around the clamp plate, a mounting is respectively installed to the vertical section lower terminal surface of clamp plate, the lower terminal surface mid-mounting of clamp plate has the butt joint spare.
Preferably, the mounting include section of thick bamboo post, round table post, conflict board, ejector pad and spring coil, the section of thick bamboo post is installed to the terminal surface under the vertical section of clamp plate, installs the round table post of upper and lower width under the lower part sliding fit of section of thick bamboo post, installs the pressure spring between the up end of round table post and the inner wall of section of thick bamboo post, the notch has evenly been seted up along its circumference direction to the lower part circumference outer wall of section of thick bamboo post, the equal slidable mounting of notch inside has the conflict board, the ejector pad is installed through No. two pressure springs to the inboard of conflict board, one side terminal surface that the conflict board was kept away from to the ejector pad is contradicted with the round table post, be provided with the spring coil jointly between the outer wall of conflict board and the section of thick bamboo post, and the spring coefficient of spring coil is less than the spring coefficient of No. two pressure springs.
Preferably, the butt joint piece include two-way screw rod, spring butt plate, thread board, guide arm, regulation pole, stand and electro-magnet, the upper end of two-way screw rod and the middle part normal running fit of clamp plate, the up end of clamp plate and two-way screw rod coaxial arrangement have bushing and the smart screw that is used for locking two-way screw rod, spring butt plate is installed to the lower terminal surface of two-way screw rod, two thread sections symmetries of two-way screw rod are respectively installed a thread board, the symmetry is provided with the guide arm on the thread board, and the guide arm upper end is installed on the horizontal segment of mount, the guide arm part of mount horizontal segment below all with depression bar and two thread boards sliding fit, the front and back both ends of two thread boards all symmetry respectively articulate and have a regulation pole, the other end of two regulation poles that are relative on two thread boards all articulates jointly has a stand, and two regulation poles are X shape distribution, the electro-magnet is installed to the lower terminal surface of stand.
Preferably, the pre-fixing mechanism comprises a fixing plate, an arc-shaped groove, an anti-deflection piece, a baffle and a pressing piece, wherein the fixing plate is commonly installed on two sliding seats opposite to the annular conveying guide rail, the length of the fixing plate is smaller than the distance between two opposite side walls of the inner cavity of the support frame, the arc-shaped groove is formed in the middle of the fixing plate, a group of pressing pieces are respectively installed at two ends of the arc-shaped groove, the baffle corresponding to the pressing pieces one by one is arranged on the feeding mechanism, and the anti-deflection piece is installed on one side, away from each other, of the pressing pieces in a matched mode.
Preferably, the compressing element include arc cardboard, waist hole, straight-teeth gear, push rod and pull rod, arc cardboard figure is two, and two arc cardboard pass through sliding fit's mode and install the tip at the fixed plate, and two arc cardboard dislocation distribution in the left and right sides of fixed plate, have seted up waist hole on one of them arc cardboard, have the straight-teeth gear through tooth meshing in the waist hole, and the straight-teeth gear is installed on another arc cardboard, the left arc cardboard of fixed plate is provided with the push rod, and the push rod is the structure of falling the U, the tip of two vertical sections of push rod is connected with the fixed plate through round pin axle and torsional spring, articulates between push rod and the arc cardboard has the pull rod, and the pull rod passes through a pressure spring and square and push rod sliding fit.
Preferably, the deviation preventing piece include square groove, press claw, T shape pole, arc and draw-in groove, a square groove has respectively been seted up to the front and back symmetry of fixed plate, and the symmetry has respectively articulated to press claw around the square inslot portion, and presses claw to be V-arrangement structure, articulates between two press claws of square inslot portion has T shape pole, the vertical section of T shape pole extend to inside the arc groove and with fixed plate sliding fit, install reset spring between the horizontal segment up end of T shape pole and the fixed plate, the arc is installed to the vertical section up end of T shape pole, the draw-in groove has been seted up to correspondence on the arc groove of arc below.
Preferably, feeding mechanism include mounting bracket, locating plate, slide, plastic piece, push pedal, no. two cylinders and longeron, feeding mechanism's right side is provided with the mounting bracket, the mounting bracket up end stretches out left, the locating plate is respectively installed through electronic slide to the upper end front and back symmetry of mounting bracket, a longeron is respectively installed to the upper end front and back symmetry of locating plate, and the longeron extends to the below of electro-magnet, the spout has been seted up to the opposite face of two longerons on the same locating plate, slide is installed to sliding fit in the spout, be provided with the plastic piece between two slides on the same locating plate, a push pedal is installed jointly on the right side of two slides on the same locating plate, and push pedal and spout sliding fit, no. two cylinders are installed on the right side of push pedal, the flexible end and the push pedal of No. two cylinders are connected, the baffle with the piece one-to-one is respectively installed to both sides around the mounting bracket.
Preferably, the shaping piece include the striker plate, same bilateral symmetry respectively is provided with a striker plate between two slide on the locating plate, and the striker plate is V-arrangement structure, same one side that two striker plates on the locating plate kept away from each other is through compression spring and sliding block and slide sliding fit, and a shaping piece is respectively installed through the spring post in the middle part of two slide opposite faces on the same locating plate, and the shaping piece is trapezium structure.
The invention has the beneficial effects that:
1. according to the invention, the front axle is conveyed to the butt joint mechanism area through the conveying mechanism and the pre-fixing mechanism in sequence, so that the support is in butt joint with the front axle, and then the welding processing is performed through the joint robot, so that the manpower consumption is reduced, the processing efficiency is improved, and the processed front axle round tube moves to the tail end and can collide with the baffle plate, so that automatic blanking is realized, and the automation degree of the device is further improved.
2. The pre-fixing mechanism provided by the invention is used for abutting the front shaft placed in the arc-shaped groove through the anti-deflection part, so that the front shaft is prevented from being jacked up by the anti-deflection part, and the front shaft is pre-fixed in the arc-shaped groove, thereby ensuring the stability of the front shaft in the moving process.
3. According to the butt joint mechanism, the fixing piece is inserted into the main pin hole of the front shaft and the fixing plate is abutted to enable the front shaft to be aligned and fixed, the butt joint precision of the front shafts of the support seats is guaranteed, the butt joint piece can adjust the distance between the support seats, the rapid positioning butt joint between the support seats with different distances and the front shafts is guaranteed, the distance is adjusted through the electric sliding block of the feeding mechanism corresponding to the electromagnetic block, the smooth processing and feeding are guaranteed, and further the processing efficiency and the practicability of the device are improved.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of a first view structure of the present invention.
Fig. 2 is a schematic view of a second view structure of the present invention.
Fig. 3 is a schematic view of the structure of the pressing member of the present invention.
FIG. 4 is a schematic view of the structure of the anti-deflection member of the present invention.
Fig. 5 is a schematic view of the docking mechanism of the present invention.
Fig. 6 is a schematic view of the structure of the fixing member of the present invention.
Fig. 7 is a schematic structural view of a feeding mechanism of the present invention.
In the figure: 1. a support frame; 2. a conveying mechanism; 3. a pre-fixing mechanism; 4. a docking mechanism; 5. a joint robot; 6. a feeding mechanism; 20. a support plate; 21. a base; 22. an annular conveying guide rail; 23. a slide; 40. a fixing frame; 41. a first air cylinder; 42. a pressing plate; 7. a fixing member; 8. a butt joint member; 70. a cylinder column; 71. a circular table column; 72. a contact plate; 73. a pushing block; 74. a spring ring; 80. a bidirectional screw; 81. a spring-retaining plate; 82. a thread plate; 83. a guide rod; 84. an adjustment lever 84; 85. a column; 86. an electromagnet; 30. a fixing plate; 31. an arc-shaped groove; 32. an anti-deviation member; 33. a baffle; 9. a pressing member; 90. an arc-shaped clamping plate; 91. waist holes; 92. spur gears; 93. a push rod; 94. a pull rod; 320. a square groove; 321. a pressing claw; 322. a T-bar; 323. an arc-shaped plate; 324. a clamping groove; 60. a mounting frame; 61. a positioning plate; 62. a slide plate; 63. shaping piece; 64. a push plate; 65. a second cylinder; 66. a long plate; 630. a striker plate; 631. shaping blocks.
Detailed Description
Embodiments of the present invention are described below with reference to the accompanying drawings. In this process, to ensure clarity and convenience of description, the widths of the lines or the sizes of the constituent elements in the drawings may be exaggerated.
In addition, the terms hereinafter are defined based on functions in the present invention, and may be different according to intention of a user, an operator, or a convention. Accordingly, these terms are defined based on the entire contents of the present specification.
Referring to fig. 1, a front axle circular tube welding robot comprises a support frame 1, a conveying mechanism 2, a pre-fixing mechanism 3, a docking mechanism 4, a joint robot 5 and a feeding mechanism 6; the support frame 1 be upper end open-ended "mouth" shape structure, the top of support frame 1 is provided with conveying mechanism 2, the upper right side of conveying mechanism 2 is provided with docking mechanism 4, two joint robot 5 that are used for welded are installed respectively to docking mechanism 4 front and back, docking mechanism 4's right side is provided with feeding mechanism 6, and feeding mechanism 6's one end is located docking mechanism 4 under.
Referring to fig. 1 and 2, the conveying mechanism 2 includes a support plate 20, a base 21, an annular conveying rail 22 and a sliding seat 23, wherein the opposite surfaces of two horizontal sections on the upper portion of the support frame 1 are respectively provided with the support plate 20, the lower opposite surfaces of the two support plates 20 are jointly provided with the base 21, one side end surface of the support plate 20 far away from the base 21 is respectively provided with the annular conveying rail 22, the annular conveying rail 22 is uniformly provided with the sliding seat 23, the sliding seat 23 is driven by a sprocket driving piece, and the pre-fixing mechanism 3 is arranged on the two sliding seats 23 opposite to the two annular conveying rails 22.
Referring to fig. 1 and 2, the pre-fixing mechanism 3 includes a fixing plate 30, an arc slot 31, an anti-deviation member 32, a baffle 33 and a pressing member 9, two opposite slide bases 23 of the annular conveying guide rail 22 are jointly provided with the fixing plate 30, the length of the fixing plate 30 is smaller than the distance between two opposite side walls of the inner cavity of the supporting frame 1, the middle part of the fixing plate 30 is provided with the arc slot 31, two ends of the arc slot 31 are respectively provided with the pressing member 9, the feeding mechanism 6 is provided with the baffle 33 corresponding to the pressing members 9 one by one, and one side, away from each other, of the pressing members 9 is provided with the anti-deviation member 32 in a matching manner.
During specific work, an operator manually pushes the pressing piece 9 to open the pressing piece 9 and then places the pressing piece into the arc-shaped groove 31, then the pressing piece 9 is closed to lock the front shaft, meanwhile, the front shaft is pressed downwards to press the deviation preventing piece 32, so that the deviation preventing piece 32 is in collision with two sides of the front shaft, the fixed butt joint of the butt joint mechanism 4 is avoided, the sliding seat 23 is driven to move along the annular conveying guide rail 22 through the chain transmission piece in the operation process of the conveying mechanism 2, meanwhile, the pre-fixing mechanism 3 fixed above is driven to move towards the butt joint mechanism 4, when the pre-fixing mechanism 3 provided with the front shaft moves to the position right below the butt joint mechanism 4, the butt joint mechanism 4 is operated to enable the support to be in butt joint with the front shaft, then the joint robot 5 performs welding processing, the conveying mechanism 2 continues to operate after the processing is finished, when the processed front shaft moves to the tail end of the conveying mechanism 2, the pressing piece 9 is in collision with the baffle 33 to be opened, and the front shaft falls down to perform concentrated collection processing.
Referring to fig. 2 and 3, the compressing element 9 includes an arc clamping plate 90, a waist hole 91, a spur gear 92, a push rod 93 and a pull rod 94, the number of the arc clamping plate 90 is two, the two arc clamping plates 90 are installed at the end of the fixed plate 30 in a sliding fit manner, the two arc clamping plates 90 are distributed on the left side and the right side of the fixed plate 30 in a dislocation manner, the waist hole 91 is formed in one arc clamping plate 90, the spur gear 92 is meshed in the waist hole 91 through teeth, the spur gear 92 is installed on the other arc clamping plate 90, the push rod 93 is arranged on the arc clamping plate 90 on the left side of the fixed plate 30, the push rod 93 is in an inverted-U-shaped structure, the end parts of two vertical sections of the push rod 93 are connected with the fixed plate 30 through a pin shaft and a torsion spring, the pull rod 94 is hinged between the push rod 93 and the arc clamping plate 90, and the pull rod 94 is in sliding fit with the push rod 93 through a number one compression spring and a square.
During specific work, the in-process hand of manual work front axle of placing contradicts push rod 93 and rotates downwards, and the torsional spring is turned tightly this moment, and pull rod 94 will stimulate arc cardboard 90 to fixed plate 30 direction rotation and pull rod 94 slides on push rod 93, and straight gear 92 can drive the synchronous opposite direction rotation of engaged arc cardboard 90 simultaneously for compress tightly piece 9 and be opened, can place the front axle in the arc wall 31 this moment, unclamp push rod 93 afterwards, push rod 93 and pull rod 94 reset under the effect of torsional spring and pressure spring No. one, drive arc cardboard 90 simultaneously and reset and compress tightly fixedly the front axle.
Referring to fig. 2 and 4, the anti-deviation member 32 includes a square groove 320, pressing claws 321, a T-shaped rod 322, an arc plate 323 and a clamping groove 324, the front and rear symmetry of the fixing plate 30 are respectively provided with the square groove 320, the front and rear symmetry of the square groove 320 is respectively hinged with the pressing claws 321, the pressing claws 321 are in V-shaped structures, a T-shaped rod 322 is hinged between the two pressing claws 321 in the square groove 320, a vertical section of the T-shaped rod 322 extends into the arc groove 31 and is in sliding fit with the fixing plate 30, a reset spring is installed between the upper end face of the horizontal section of the T-shaped rod 322 and the fixing plate 30, the arc plate 323 is installed on the upper end face of the vertical section of the T-shaped rod 322, and the clamping groove 324 is correspondingly provided on the arc groove 31 below the arc plate 323.
When the device is specifically operated, the front shaft is manually placed into the arc groove 31 and is fixed by the pressing piece 9, the front shaft is abutted against the arc plate 323 to push the arc plate 323 downwards to move into the clamping groove 324, meanwhile, the T-shaped rod 322 pushes the end part of the pressing claw 321 in the square groove 320 to rotate downwards, at the moment, the other end of the pressing claw 321 is abutted against the front shaft synchronously, so that the swing amplitude of the front shaft is reduced, the stability of the front shaft in the moving process is guaranteed, and the insertion, the centering and the fixing of the docking mechanism 4 to the front shaft are facilitated.
Referring to fig. 1, 2 and 5, the docking mechanism 4 includes a fixing frame 40, a first cylinder 41, a pressing plate 42, a fixing member 7 and a docking member 8, the fixing frame 40 is arranged at the upper right side of the conveying mechanism 2, the fixing frame 40 is of an inverted U-shaped structure, two vertical sections of the fixing frame 40 are installed on the upper end face of the supporting frame 1, the first cylinder 41 is installed on the upper end face of the fixing frame 40, the telescopic end of the first cylinder 41 extends into the fixing frame 40, the pressing plate 42 is installed on the telescopic end of the first cylinder 41, the pressing plate 42 is of an inverted U-shaped structure, the front end and the rear end of the pressing plate 42 are in sliding fit with the two vertical sections of the fixing frame 40, the fixing member 7 is installed on the lower end faces of the vertical sections of the pressing plate 42, and the docking member 8 is installed in the middle of the lower end face of the pressing plate 42.
During specific work, the conveying mechanism 2 stops after the pre-fixing mechanism 3 with the front shaft is moved to the position right below the docking mechanism 4, the first cylinder 41 pushes the pressing plate 42 to move downwards, so that the docking part 8 moves downwards to be pressed with a support on the feeding mechanism 6, the support is adsorbed and fixed, meanwhile, the fixing part 7 is inserted into a main pin hole of the front shaft, the front shaft is aligned and fixed along with the fact that the fixing part 7 collides with the fixing plate 30 when the pressing plate 42 moves downwards, then the pressing plate 42 moves continuously to enable the support adsorbed by the docking part 8 to dock with the front shaft, then the support is welded on the front shaft through the joint robot 5, the first cylinder 41 drives the fixing part 7 and the docking part 8 to reset after welding is completed, and then the conveying mechanism 2 continues to operate so that a later workpiece to be machined moves to the position of the docking mechanism 4 in sequence to be welded.
Referring to fig. 5 and 6, the fixing member 7 includes a cylindrical column 70, a circular column 71, a collision plate 72, a push block 73 and a spring ring 74, the cylindrical column 70 is installed on the lower end surface of the vertical section of the pressing plate 42, the circular column 71 with a narrow upper part and a wide lower part is installed on the lower part of the cylindrical column 70 in a sliding fit manner, a compression spring is installed between the upper end surface of the circular column 71 and the inner wall of the cylindrical column 70, a notch is uniformly formed in the circumferential outer wall of the lower part of the cylindrical column 70 along the circumferential direction of the lower part, the collision plate 72 is slidably installed inside the notch, the push block 73 is installed on the inner side of the collision plate 72 through a second compression spring, the end surface of one side, far away from the collision plate 72, of the push block 73 collides with the circular column 71, the spring ring 74 is jointly arranged between the outer wall of the collision plate 72 and the cylindrical column 70, and the spring coefficient of the spring ring 74 is smaller than that of the second compression spring.
During specific work, as the fixing piece 7 is inserted into the main pin hole of the front axle and as the pressing plate 42 moves downwards, the round table column 71 is pushed to move towards the inside of the cylindrical column 70 and is abutted against the fixing plate 30, meanwhile, the pushing block 73 is pushed outwards by the pushing block 73 to enable the pushing block 73 to be abutted against the inner wall of the main pin hole of the front axle, the pressing plate 42 continues to move downwards to enable the support on the butting piece 8 to be butted with the front axle, at the moment, the pushing force exerted by the pushing plate 72 pushed by the round table column 71 reaches the compression force of the second pressure spring, the second pressure spring is compressed to avoid damage to the main pin hole or the device of the front axle caused by the fact that the pushing plate 72 continues to move out by the movement of the round table column 71; after the welding process is finished, the pressing plate 42 moves upwards, the round platform column 71 moves downwards to reset under the action of the pressure spring, meanwhile the push block 73 moves towards the inside of the barrel column 70 under the reset action of the second pressure spring, after the reset of the second pressure spring is finished, the abutting plate 72 and the push block 73 reset under the action of the spring ring 74, and then the fixing piece 7 moves out of the main pin hole of the front shaft along with the movement of the pressing plate 42.
Referring to fig. 5, the butt joint member 8 includes a bi-directional screw 80, a spring retaining plate 81, a threaded plate 82, a guide rod 83, an adjusting rod 84, a column 85 and an electromagnet 86, wherein the upper end of the bi-directional screw 80 is in running fit with the middle of the pressing plate 42, a bushing and a machine screw for locking the bi-directional screw 80 are coaxially installed on the upper end surface of the pressing plate 42 and the bi-directional screw 80, the spring retaining plate 81 is installed on the lower end surface of the bi-directional screw 80, one threaded plate 82 is symmetrically installed on two threaded sections of the bi-directional screw 80, the guide rod 83 is symmetrically arranged on the threaded plate 82, the upper end of the guide rod 83 is installed on the horizontal section of the fixing frame 40, the guide rod 83 below the horizontal section of the fixing frame 40 is in sliding fit with the pressing rod and the two threaded plates 82, two adjusting rods 84 are symmetrically hinged to the front end and the rear end of the two threaded plates 82, one column 85 is commonly hinged to the other ends of the two adjusting rods 84, the two adjusting rods 84 are distributed in an X shape, and the electromagnet 86 is installed on the lower end surface of the column 85.
During specific work, the first cylinder 41 pushes the electromagnet 86 to push the butting piece 8 to move downwards, the electromagnet 86 pushes the supporting seat on the feeding mechanism 6 to extrude and align, then the electromagnet is magnetized to adsorb and fix the supporting seat, the butting piece 8 continues to move downwards, the spring abutting plate 81 pushes the supporting seat on the electromagnet 86 to abut against the front shaft, the supporting seat on the electromagnet 86 moves downwards to abut against the front shaft, meanwhile, the spring abutting plate 81 is compressed, when the distance between the stand columns 85 needs to be adjusted, after the machine meter screw used for locking the bidirectional screw 80 is loosened, the bidirectional screw 80 is manually rotated to enable the two threaded plates 82 to move in different directions, so that the distance adjustment is carried out by pushing or pulling the stand columns 85 through the adjusting rod 84, the bidirectional screw 80 is fixed through the machine meter screw after adjustment is finished, and therefore adjustment and butt joint of the distance between the two different supporting seats is achieved.
Referring to fig. 2 and 7, the feeding mechanism 6 includes a mounting frame 60, a positioning plate 61, a sliding plate 62, shaping members 63, a push plate 64, a second air cylinder 65 and a long plate 66, the right side of the conveying mechanism 2 is provided with the mounting frame 60, the upper end surface of the mounting frame 60 extends leftwards, the positioning plate 61 is installed on the upper end surface of the mounting frame 60 through the electric sliding seat 23, the long plate 66 is installed on the upper end surface of the positioning plate 61 and extends below the electromagnet 86, sliding grooves are formed on opposite surfaces of the two long plates 66 on the same positioning plate 61, the sliding plates 62 are installed in the sliding grooves in a sliding fit manner, the shaping members 63 are arranged between the two sliding plates 62 on the same positioning plate 61, the right sides of the two sliding plates 62 on the same positioning plate 61 are jointly provided with the push plate 64, the push plate 64 is in sliding fit with the sliding grooves, the right side of the push plate 64 is provided with the second air cylinder 65, the telescopic ends of the second air cylinder 65 are connected with the push plate 64, and the front and rear sides of the mounting frame 60 are respectively provided with baffle plates 33 corresponding to the pressing members 9.
During specific work, the support is manually placed into the shaping piece 63, the sliding plate 62 is pushed by the second air cylinder 65 to enable the support on the shaping piece 63 to move right below the electromagnet 86, then the electromagnet 86 moves downwards to enable the support to collide with the shaping piece 63 to be aligned, then moves downwards to butt against the front shaft to be welded through the joint robot 5, after welding is completed, the electromagnet 86 moves upwards to be away from the shaping piece 63, and the second air cylinder 65 drives the shaping piece 63 to move rightwards to reset to perform feeding operation.
Referring to fig. 7, the shaping member 63 includes a striker plate 630, a striker plate 630 is symmetrically disposed between two sliding plates 62 on the same positioning plate 61, the striker plate 630 has a V-shaped structure, one side of the same positioning plate 61, away from each other, of the striker plate 630 is slidably engaged with the sliding plate 62 through a compression spring and a sliding block, a shaping block 631 is mounted at the middle of the opposite sides of the two sliding plates 62 on the same positioning plate 61 through spring columns, and the shaping block 631 has a trapezoid structure.
During specific operation, the support is manually placed between the two striker plates 630 and the two shaping blocks 631, then the shaping piece 63 is moved to the position right below the electromagnet 86 by the second air cylinder 65, then the electromagnet 86 moves downwards to squeeze the support, the support is abutted against the shaping blocks 631 and the striker plates 630, the spring column and the compression spring are compressed simultaneously, the support is aligned under the action of reverse thrust of the spring column and the compression spring, and then the electromagnet 86 is magnetized to absorb the support and then moves downwards to butt joint with the front shaft.
Specifically, when the welding device is used for welding a front axle round tube, a front axle is placed into an arc groove 31 by manpower, the front axle is pre-fixed on a fixed plate 30 through a pressing piece 9 and an anti-deflection piece 32, then a conveying mechanism 2 moves a pre-fixing mechanism 3 with the front axle to the position right below a butting mechanism 4 and stops running, then the butting mechanism 4 adsorbs and fixes a support seat sent by a feeding mechanism 6 and downwards moves to butt against the front axle, a pressing plate 42 firstly pushes a fixing piece 7 to be inserted into a main pin hole of the front axle to fix the front axle in the butt joint process, then the support seat is in butt joint with the front axle, a joint robot 5 runs to weld the front axle with the support seat, the butting mechanism 4 resets after the welding is finished, the conveying mechanism 2 continues to run, the pressing piece 9 is in conflict with a baffle 33 when the pre-fixing mechanism 3 moves to the tail end of the conveying mechanism 2, and the front axle falls from the arc groove 31 to perform concentrated collection treatment.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A front axle circular tube welding robot comprises a supporting frame (1), a conveying mechanism (2), a pre-fixing mechanism (3), a butt joint mechanism (4), a joint robot (5) and a feeding mechanism (6); the method is characterized in that: the support frame (1) is of an opening structure with an opening at the upper end, a conveying mechanism (2) is arranged above the support frame (1), a butt joint mechanism (4) is arranged above the right side of the conveying mechanism (2), a joint robot (5) used for welding is arranged at the front part and the rear part of the butt joint mechanism (4), a feeding mechanism (6) is arranged on the right side of the butt joint mechanism (4), and one end of the feeding mechanism (6) is located under the butt joint mechanism (4); wherein:
the conveying mechanism (2) comprises a supporting plate (20), a base (21), annular conveying guide rails (22) and sliding seats (23), wherein one supporting plate (20) is respectively arranged on opposite surfaces of two horizontal sections on the upper part of the supporting frame (1), one base (21) is jointly arranged on opposite surfaces of the lower parts of the two supporting plates (20), one annular conveying guide rail (22) is respectively arranged on one side end surface of the supporting plate (20) far away from the base (21), the sliding seats (23) are uniformly arranged on the annular conveying guide rail (22), the sliding seats (23) are driven by chain transmission pieces, and the pre-fixing mechanism (3) is arranged on the two sliding seats (23) opposite to the two annular conveying guide rails (22);
the butt joint mechanism (4) comprises a fixing frame (40), a first air cylinder (41), a pressing plate (42), a fixing piece (7) and a butt joint piece (8), wherein the fixing frame (40) is arranged on the upper right side of the conveying mechanism (2), the fixing frame (40) is of an inverted U-shaped structure, two vertical sections of the fixing frame (40) are arranged on the upper end face of the supporting frame (1), the first air cylinder (41) is arranged on the upper end face of the fixing frame (40), the telescopic end of the first air cylinder (41) extends into the fixing frame (40), the pressing plate (42) is arranged at the telescopic end of the first air cylinder (41), the pressing plate (42) is of an inverted U-shaped structure, the front end and the rear end of the pressing plate (42) are in sliding fit with the two vertical sections of the fixing frame (40), the fixing piece (7) is respectively arranged on the lower end faces of the vertical sections of the pressing plate (42), and the butt joint piece (8) is arranged in the middle of the lower end faces of the pressing plate (42).
The fixing piece (7) comprises a cylindrical column (70), a round column (71), a collision plate (72), a push block (73) and a spring ring (74), the cylindrical column (70) is installed on the lower end face of the vertical section of the pressing plate (42), the round column (71) with the upper portion narrow and the lower portion wide is installed in a sliding fit mode on the lower portion of the cylindrical column (70), the spring is installed between the upper end face of the round column (71) and the inner wall of the cylindrical column (70), notches are uniformly formed in the outer wall of the circumference of the lower portion of the cylindrical column (70) along the circumferential direction of the lower portion, the collision plate (72) is installed inside the notches in a sliding mode, the push block (73) is installed on the inner side of the collision plate (72) through a second pressure spring, one side end face, far away from the collision plate (72), of the push block (73) is in collision with the round column (71), the spring ring (74) is jointly arranged between the outer wall of the collision plate (72) and the cylindrical column (70), and the spring ring (74), and the elastic coefficient of the spring ring (74) is smaller than that of a second pressure spring;
the pre-fixing mechanism (3) comprises a fixing plate (30), an arc-shaped groove (31), anti-deflection pieces (32), baffle plates (33) and pressing pieces (9), wherein one fixing plate (30) is jointly installed on two sliding seats (23) opposite to each other of the annular conveying guide rails (22), the length of the fixing plate (30) is smaller than the distance between two opposite side walls of an inner cavity of the supporting frame (1), the arc-shaped groove (31) is formed in the middle of the fixing plate (30), a group of pressing pieces (9) are respectively installed at two ends of the arc-shaped groove (31), the baffle plates (33) corresponding to the pressing pieces (9) one by one are arranged on the feeding mechanism (6), and the anti-deflection pieces (32) are installed on one sides, away from each other, of the pressing pieces (9) in a matched mode.
The compression piece (9) comprises arc clamping plates (90), waist holes (91), spur gears (92), push rods (93) and pull rods (94), wherein the number of the arc clamping plates (90) is two, the two arc clamping plates (90) are installed at the end parts of the fixed plate (30) in a sliding fit mode, the two arc clamping plates (90) are distributed on the left side and the right side of the fixed plate (30) in a staggered mode, the waist holes (91) are formed in one arc clamping plate (90), the spur gears (92) are meshed in the waist holes (91) through teeth, the spur gears (92) are installed on the other arc clamping plate (90), the arc clamping plates (90) on the left side of the fixed plate (30) are provided with the push rods (93), the push rods (93) are of an inverted-U-shaped structure, the end parts of the two vertical sections of the push rods (93) are connected with the fixed plate (30) through pin shafts and torsion springs, the pull rods (94) are hinged between the push rods (93) and the arc clamping plates (90), and the push rods (93) are in sliding fit with the push rods (93) through a number of the torsion springs and the square blocks;
the anti-deviation piece (32) include square groove (320), press claw (321), T shape pole (322), arc (323) and draw-in groove (324), respectively offered one square groove (320) around symmetry of fixed plate (30), respectively articulated around the inside symmetry of square groove (320) have one press claw (321), and press claw (321) are V-arrangement structure, articulate between two press claws (321) of square groove (320) inside have T shape pole (322), the vertical section of T shape pole (322) extends to inside arc groove (31) and with fixed plate (30) sliding fit, install reset spring between the horizontal segment up end of T shape pole (322) and fixed plate (30), arc (323) are installed to the vertical section up end of T shape pole (322), correspond on arc groove (31) of arc (323) below and offered draw-in groove (324).
2. The front axle circular tube welding robot of claim 1, wherein: the butt joint piece (8) include bi-directional screw (80), spring butt joint board (81), screw thread board (82), guide arm (83), regulation pole (84), stand (85) and electro-magnet (86), the upper end of bi-directional screw (80) and the middle part normal running fit of clamp plate (42), the up end and the coaxial installation of bi-directional screw (80) of clamp plate (42) have bushing and the mechanic's screw that are used for locking bi-directional screw (80), spring butt joint board (81) are installed to the lower terminal surface of bi-directional screw (80), a screw thread board (82) are respectively installed to two screw thread section symmetries of bi-directional screw (80), screw thread board (82) go up the symmetry and be provided with guide arm (83), and guide arm (83) upper end is installed on the horizontal segment of mount (40), guide arm (83) part and depression bar and two screw thread board (82) sliding fit of mount (40) horizontal segment below, the front and back both ends of two screw thread board (82) are all articulated respectively have one regulation pole (84), two opposite ends of adjusting pole (84) are articulated together and are the stand (85) is distributed, stand (85) is distributed down.
3. The front axle circular tube welding robot of claim 1, wherein: feeding mechanism (6) include mounting bracket (60), locating plate (61), slide (62), plastic spare (63), push pedal (64), no. two cylinder (65) and longe-plate (66), the right side of conveying mechanism (2) is provided with mounting bracket (60), mounting bracket (60) up end stretches out left, upper end front and back symmetry of mounting bracket (60) respectively installs locating plate (61) through electric slide (23), a longe-plate (66) is respectively installed to the upper end front and back symmetry of locating plate (61), and longe-plate (66) extend to the below of electro-magnet (86), the spout has been seted up to the opposite face of two longe-plates (66) on same locating plate (61), slide (62) are installed to sliding fit in the spout, be provided with plastic spare (63) between two slide (62) on same locating plate (61), and push pedal (64) are installed jointly on the right side of two slide (62) on same locating plate (61), and push pedal (64) and spout sliding fit, install No. two numbers of slide (65) on the right side of push pedal (64) and the corresponding to each cylinder (33) of compression end (33) of two cylinder (33).
4. A front axle round tube welding robot as recited in claim 3, wherein: shaping piece (63) include striker plate (630), same bilateral symmetry respectively is provided with one striker plate (630) between two slide (62) on locating plate (61), and striker plate (630) are V-arrangement structure, same one side that two striker plates (630) on locating plate (61) kept away from each other is through compression spring and sliding block and slide (62) sliding fit, and a shaping block (631) is respectively installed through the spring post in the middle part of the opposite face of two slide (62) on same locating plate (61), and shaping block (631) are trapezium structure.
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| CN202210814422.7A CN115008097B (en) | 2022-07-11 | 2022-07-11 | Front axle circular tube welding robot |
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| CN115673641B (en) * | 2022-11-15 | 2024-03-08 | 泰州神舟传动科技有限公司 | Front axle pipe fixed-position welding equipment |
| CN115740946B (en) * | 2022-12-01 | 2023-06-27 | 山东晟博安装工程有限公司 | Petrochemical engineering pipeline installation and welding auxiliary structure and application method thereof |
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| CN118218873B (en) * | 2024-04-29 | 2024-08-13 | 江苏通流航天科技有限公司 | Anti-offset welding equipment for cavity pipeline component machining |
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