CN114029694B - Robot welding fixture capable of avoiding scratch of base metal - Google Patents
Robot welding fixture capable of avoiding scratch of base metal Download PDFInfo
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- CN114029694B CN114029694B CN202111519000.9A CN202111519000A CN114029694B CN 114029694 B CN114029694 B CN 114029694B CN 202111519000 A CN202111519000 A CN 202111519000A CN 114029694 B CN114029694 B CN 114029694B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a tool clamp for robot welding for avoiding scratching a parent metal, and relates to the technical field of robot welding; lifting electric push rods are fixed at four corners of the outer bottom of the guide roller group and embedded in the upper surface of the workbench; the extrusion mechanism is arranged on a transverse plate of the support frame; one end of the first pull rope is connected with the extrusion mechanism; the lower end of the first pull rope is fixed on the left side of the upper surface of the pedal; the positioning mechanism is arranged on the right front side of the vertical plate of the support frame; the positioning plate is arranged on the upper surface of the workbench in a sliding manner and is connected with the positioning mechanism; the clamping mechanism is arranged at the front side of the workbench; the clamping plate is connected with the clamping mechanism; the clamping roller is embedded in the groove on the clamping plate and the positioning plate through the bearing; the left side and the right side fixed connection of the left side wall and the right side of the clamping plate front side wall are fixed to the stay cord of No. two, and the other end of No. two stay cords is fixed on the right side of pedal upper surface, and when the operation is accomplished, take off it, the condition of fish tail can not take place to reduce the scrapping of work piece, the cost is reduced.
Description
Technical Field
The invention relates to the technical field of robot welding, in particular to a tool clamp for robot welding, which is capable of avoiding scratch of a base metal.
Background
The welding robot is an industrial robot for welding, and belongs to the definition of a standard welding robot according to the international standardization organization industrial robot, the industrial robot is a multipurpose and repeatedly programmable automatic control manipulator which is used in the field of industrial automation, and at present, in the use of the welding robot, particularly in the welding operation of a pipeline workpiece, the workpiece is easily scratched when the workpiece is taken down, so that the workpiece is scrapped, and the cost is increased.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides the tooling fixture for robot welding, which is reasonable in design and convenient to use, and can avoid scratching a base material, and the situation of scratching can not occur when the tooling fixture is taken down after the operation is completed, so that the scrapping of workpieces is reduced, and the cost is reduced.
In order to achieve the above purpose, the invention adopts the following technical scheme: the welding device comprises a base, support columns, a workbench and a support frame, wherein the support columns are fixed at four corners of the upper surface of the base, the upper ends of the support columns are fixed at four corners of the lower surface of the workbench, the support frame is arranged on the upper side of the workbench and is in an inverted L shape, a vertical plate on the rear side of the support frame is fixed on the upper surface of the workbench, and welding equipment is arranged in the center of a transverse plate of the support frame; it also comprises:
the guide roller group is arranged on the left side above the workbench, and lifting electric push rods are fixed at four corners of the outer bottom of the guide roller group, embedded and fixed in the upper surface of the workbench;
the extrusion mechanism is suspended above the guide roller group and is arranged on the transverse plate of the support frame;
the first pull ropes are two, one end of each first pull rope is connected with the extrusion mechanism through the fixing buckle, and the other end of each first pull rope penetrates through the transverse plate of the supporting frame and is hung on the front side of the workbench;
the pedal is suspended in front of the lower side of the workbench, and the lower end of the first pull rope is fixed on the left side of the upper surface of the pedal;
the inserting plate is fixed on the rear side of the upper surface of the pedal, a sleeve plate is movably sleeved on the upper side of the inserting plate, the sleeve plate is fixed on the lower surface of the workbench, and sliding blocks on the two side walls of the inserting plate are arranged in sliding grooves on the inner wall of the sleeve plate in a sliding manner;
the connecting springs are arranged in the sleeve plate at equal intervals from left to right, and the upper end and the lower end of each connecting spring are fixedly connected with the upper inner wall of the sleeve plate and the upper side wall of the plugboard respectively;
the positioning mechanism is arranged on the right front side of the vertical plate of the support frame;
the positioning plate is arranged on the upper surface of the workbench in a sliding manner and is connected with the positioning mechanism;
the clamping mechanism is arranged on the front side of the workbench, and the clamping mechanism is arranged on the front side of the positioning plate;
the clamping plate is arranged between the clamping mechanism and the positioning plate, the clamping plate is connected with the clamping mechanism, and the lower side of the clamping plate is slidingly arranged on the upper surface of the workbench;
the clamping rollers are arranged in a plurality of grooves on the clamping plate and the positioning plate in a one-to-one correspondence manner through bearings;
the number two pull ropes are two, and are fixedly connected with the left side and the right side of the front side wall of the clamping plate through fixing buckles respectively, and the other end of the number two pull ropes is fixed on the right side of the upper surface of the pedal.
Preferably, the pressing mechanism comprises:
the extrusion roller group is suspended above the guide roller group, and the left side and the right side of the upper side wall of the shell of the extrusion roller group are fixedly connected with a first pull rope through a support frame;
the connecting rods are fixed on the upper side wall of the shell of the extrusion roller group in a matrix manner, and the upper ends of the connecting rods penetrate through the transverse plates of the support frame and are exposed on the upper side of the support frame;
the limiting blocks are fixed at the top ends of the connecting rods in a one-to-one correspondence manner and are in contact with the upper surfaces of the transverse plates of the supporting frames;
the extrusion springs are arranged in a plurality, and are sleeved on one end of the connecting rod, which is positioned in the support frame, in a one-to-one correspondence manner;
when carrying out the material loading to the parent metal, insert the parent metal and establish between direction roller train and extrusion roller train, extrusion roller train is down moved under extrusion spring's promotion, and then makes extrusion roller train conflict in the upside of parent metal, after the welding is accomplished, steps on the tread, and the tread drives a stay cord and removes, and a stay cord drives extrusion roller train and upwards moves, and then makes extrusion roller train and parent metal separation, conveniently takes off.
Preferably, the positioning mechanism comprises:
the positioning motor is fixed on the front side wall of the vertical plate of the support frame through a bracket and is connected with an external power supply;
the four internal thread pipes are connected with the vertical plate of the support frame in a screwed manner through bearings, and the internal thread pipes and the positioning motor are connected through rotating wheel pairs which are embedded in the vertical plate of the support frame;
the four screws are inserted into the inner threaded pipes in a one-to-one correspondence manner, and the other ends of the screws penetrate through the front ends of the inner threaded pipes and are fixed on the rear side walls of the positioning plates after the other ends of the screws penetrate through the front ends of the inner threaded pipes;
when the positioning device is used, the positioning motor is started according to the thickness of a base material, the positioning motor drives the internal thread pipe to rotate through the rotating wheel pair, the internal thread pipe drives the screw rod to move through threads, the screw rod drives the positioning plate to move, the positioning plate slides on the workbench, and the base material is clamped until the clamping roller on the positioning plate and the clamping roller on the clamping plate.
Preferably, the left and right sides of the upper side wall of the support frame all be equipped with a pulley, should a pulley is inconsistent with two stay cords respectively and is set up, the middle-end of two stay cords is inconsistent with No. two pulleys and sets up, no. two pulleys pass through the front side wall fixed connection of extension board and the diaphragm of support frame, a stay cord is at the in-process of pulling, a stay cord slides on a pulley and No. two pulleys.
Preferably, the clamping mechanism comprises:
the fixing plate is fixed on the front side of the upper surface of the workbench and is positioned on the front side of the clamping plate;
the four positioning bolts are respectively screwed on the fixed plate through threads, the rear end of the positioning screw rod is exposed out of the rear side of the fixed plate, the fixed plate is sleeved on the second stay cord, and the four positioning bolts are connected through the rotating wheel pair;
the adjusting plate is arranged between the fixed plate and the clamping plate and is screwed with the rear end of the positioning bolt through a bearing;
the damping springs are several and are fixed on the adjusting plate and the clamping plate in a matrix;
when using, press from both sides the centre gripping gyro wheel with the parent metal around between, then rotate positioning bolt, positioning bolt rotates in the fixed plate, and then make the regulating plate slide on the workstation, the regulating plate passes through damping spring and drives the clamping plate and remove, until the centre gripping gyro wheel on the clamping plate and the centre gripping gyro wheel on the locating plate clamp the parent metal, thereby carry out welding operation, and at extruded in-process, damping spring plays the effect of protection, avoid the extrusion force too big and play the damage to the parent metal, after welding operation is accomplished, step on the pedal, the pedal drives No. two stay ropes and moves down, no. two stay ropes drive the clamping plate and move forward the side, and then make clamping plate and parent metal separation, take off the parent metal.
Preferably, a buffer cotton is fixed on a side wall of the clamping plate adjacent to the adjusting plate, the buffer cotton is sleeved on the outer side of the damping spring, and when the damping spring is damaged in the using process, the clamping plate is buffered through the buffer cotton.
The working principle of the invention is as follows: one of the base materials to be welded is placed in the guide roller group, then, according to the size of the base material, the lifting electric push rod is started, the lifting electric push rod drives the guide roller group to move up and down until the upper side of the base material is abutted against the lower side of the extrusion roller group, then, according to the height of the base material on the left side, the other base material is placed on the right side of the base material on the left side and is located on the same plane, the base material on the right side is located between the clamping rollers on the front side and the back side of the base material, then, the positioning mechanism is started, the clamping rollers on the positioning plate are abutted against the rear side of the base material, then, the clamping mechanism is adjusted, the clamping rollers on the clamping plate are abutted against the front side wall of the base material on the right side, therefore, welding operation is carried out on the two base materials through welding equipment, after operation is completed, the pedal is stepped down, the pedal is driven to move downwards through the first pull rope, the extrusion mechanism is driven to move upwards, the second pull rope drives the clamping plate to move forwards, and accordingly, the clamping plate is released to take down to the right front side, and the base material is clamped between the guide rollers and the base material.
Compared with the prior art, the invention has the beneficial effects that:
1. two base materials are respectively clamped between the guide roller and the extrusion mechanism and between the clamping rollers at two sides, so that the base materials are not scratched in the process of taking;
2. the rear side of locating plate is equipped with positioning mechanism, and positioning mechanism can remove the locating plate to suitable position, and lift electric putter can remove guide roller to suitable position, carries out welding operation again, and after the welding is accomplished, can directly drive extrusion mechanism and clamping plate through stay cord and No. two stay cords and remove to need not to adjust fixed position again.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Fig. 5 is an enlarged view of a portion C in fig. 2.
Reference numerals illustrate:
the device comprises a base 1, a support column 2, a workbench 3, a support frame 4, a guide roller group 5, a lifting electric push rod 6, an extrusion mechanism 7, an extrusion roller group 7-1, a connecting rod 7-2, a limiting block 7-3, an extrusion spring 7-4, a first pull rope 8, a pedal 9, a plugboard 10, a sleeve 11, a connecting spring 12, a positioning mechanism 13, a positioning motor 13-1, an internal thread tube 13-2, a screw 13-3, a positioning plate 14, a clamping mechanism 15, a fixing plate 15-1, a positioning bolt 15-2, an adjusting plate 15-3, a damping spring 15-4, a clamping plate 16, a clamping roller 17, a second pull rope 18, a first pulley 19, a second pulley 20 and a buffer cotton 21.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, the present embodiment adopts the following technical scheme: the automatic welding machine comprises a base 1, support columns 2, a workbench 3 and a support frame 4, wherein the support columns 2 are welded and fixed at four corners of the upper surface of the base 1, the upper ends of the support columns 2 are welded and fixed at four corners of the lower surface of the workbench 3, the support frame 4 is arranged on the upper side of the workbench 3, the support frame 4 is in an inverted L shape, a vertical plate on the rear side of the support frame 4 is welded and fixed on the upper surface of the workbench 3, and welding equipment is arranged in the center of a transverse plate of the support frame 4; it also comprises:
the guide roller group 5 is arranged on the left side above the workbench 3, four corners of the outer bottom of the guide roller group 5 are respectively fixed with a lifting electric push rod 6 through bolts, and the lifting electric push rods 6 are embedded and fixed in the upper surface of the workbench 3 through bolts;
the extrusion mechanism 7 is suspended above the guide roller group 5, and the extrusion mechanism 7 is arranged on a transverse plate of the support frame 4;
the number one pull ropes 8 is two, one end of each pull rope 8 is connected with the extrusion mechanism 7 through a fixed buckle, and the other end of each pull rope 8 passes through the transverse plate of the supporting frame 4 and is hung on the front side of the workbench 3;
the pedal 9 is suspended in front of the lower side of the workbench 3, and the lower end of the first pull rope 8 is fixedly adhered to the left side of the upper surface of the pedal 9;
the inserting plate 10 is riveted and fixed on the rear side of the upper surface of the pedal 9, a sleeve plate 11 is movably sleeved on the upper side of the inserting plate 10, the sleeve plate 11 is riveted and fixed on the lower surface of the workbench 3, and sliding blocks on two side walls of the inserting plate 10 are arranged in sliding grooves on the inner wall of the sleeve plate 11 in a sliding manner;
the connecting springs 12 are arranged in the sleeve plate 11 from left to right at equal intervals, and the upper end and the lower end of the connecting springs 12 are respectively riveted and fixed with the upper inner wall of the sleeve plate 11 and the upper side wall of the plugboard 10;
the positioning mechanism 13 is arranged on the right front side of the vertical plate of the support frame 4;
the positioning plate 14 is arranged on the upper surface of the workbench 3 in a sliding way, and the positioning plate 14 is connected with the positioning mechanism 13;
the clamping mechanism 15 is arranged on the front side of the workbench 3, and the clamping mechanism 15 is arranged on the front side of the positioning plate 14;
a clamping plate 16, wherein the clamping plate 16 is arranged between the clamping mechanism 15 and the positioning plate 14, the clamping plate 16 is connected with the clamping mechanism 15, and the lower side of the clamping plate 16 is arranged on the upper surface of the workbench 3 in a sliding way;
the clamping rollers 17 are a plurality of the clamping rollers 17, and are embedded in grooves on the clamping plate 16 and the positioning plate 14 through bearings in a one-to-one correspondence manner;
the number two pull ropes 18, wherein the number two pull ropes 18 are fixedly connected with the left side and the right side of the front side wall of the clamping plate 16 through fixing buckles respectively, and the other end of the number two pull ropes 18 is fixedly adhered to the right side of the upper surface of the pedal 9.
Preferably, the pressing mechanism 7 further comprises:
the extrusion roller set 7-1, wherein the extrusion roller set 7-1 is suspended above the guide roller set 5, and the left side and the right side of the upper side wall of the shell of the extrusion roller set 7-1 are fixedly connected with a first pull rope 8 through a fixed buckle;
the connecting rods 7-2 are arranged, the connecting rods 7-2 are riveted and fixed on the upper side wall of the shell of the extrusion roller group 7-1 in a matrix manner, and the upper ends of the connecting rods 7-2 are exposed on the upper side of the supporting frame 4 after penetrating through the transverse plates of the supporting frame 4;
the limiting blocks 7-3 are arranged, the limiting blocks 7-3 are riveted and fixed on the top end of the connecting rod 7-2 in a one-to-one correspondence manner, and the limiting blocks 7-3 are in contact with the upper surface of the transverse plate of the supporting frame 4;
the number of the extrusion springs 7-4 is several, and the extrusion springs 7-4 are sleeved on one end of the connecting rod 7-2, which is positioned in the supporting frame 4, in a one-to-one correspondence manner.
Preferably, the positioning mechanism 13 further comprises:
the positioning motor 13-1, wherein the positioning motor 13-1 is fixed on the front side wall of the vertical plate of the support frame 4 through a bracket, and the positioning motor 13-1 is connected with an external power supply;
the four internal thread pipes 13-2 are connected with the vertical plate of the support frame 4 in a screwed manner through bearings, and the internal thread pipes 13-2 are connected with the positioning motor 13-1 through rotating wheel pairs which are embedded in the vertical plate of the support frame 4;
the screws 13-3 are four, the screws 13-3 are inserted in the inner threaded pipes 13-2 in a one-to-one correspondence manner, and the other ends of the screws 13-3 penetrate through the front ends of the inner threaded pipes 13-2 and are fixed on the rear side wall of the positioning plate 14 in a riveting manner.
As a preferred scheme, still further, the left and right sides of the upper side wall of the support frame 4 are all fixed with a pulley 19 through bolts, the pulley 19 is respectively arranged in a propping way with two pull ropes 8, the middle ends of the two pull ropes 8 are all arranged in a propping way with a pulley 20, the pulley 20 is fixedly connected with the front side wall of the transverse plate of the support frame 4 through a support plate through bolts, and the pull ropes 8 slide on the pulley 19 and the pulley 20 in the pulling process.
Preferably, the clamping mechanism 15 further comprises:
the fixing plate 15-1, the fixing plate 15-1 is riveted and fixed on the front side of the upper surface of the workbench 3, and is positioned on the front side of the clamping plate 16;
the four positioning bolts 15-2 are respectively screwed on the fixed plate 15-1 through threads, the rear end of the positioning screw 13-3 is exposed at the rear side of the fixed plate 15-1, the fixed plate 15-1 is sleeved on the second stay cord 18, and the four positioning bolts 15-2 are connected through a rotating wheel set;
the adjusting plate 15-3, wherein the adjusting plate 15-3 is arranged between the fixed plate 15-1 and the clamping plate 16, and the adjusting plate 15-3 is screwed with the rear end of the positioning bolt 15-2 through a bearing;
the damping springs 15-4 are several damping springs 15-4, and are riveted and fixed on the adjusting plate 15-3 and the clamping plate 16 in a matrix.
As a preferred scheme, further, a buffer cotton 21 is adhered and fixed on a side wall of the clamping plate 16 adjacent to the adjusting plate 15-3, the buffer cotton 21 is sleeved on the outer side of the damping spring 15-4, and when the damping spring 15-4 is damaged in the use process, the clamping plate 16 is buffered through the buffer cotton 21.
The working principle of the specific embodiment is as follows: one of the base materials to be welded is placed in the guide roller group 5, then the lifting electric push rod 6 is started according to the size of the base material, the lifting electric push rod 6 drives the guide roller group 5 to move up and down until the upper side of the base material is propped against the lower side of the extrusion roller group 7-1, then the other base material is placed on the right side of the left base material according to the height of the left base material and is positioned on the same plane, the base material on the right side is positioned between the clamping rollers 17 on the front side and the rear side, then the positioning mechanism 13 is started, the clamping rollers 17 on the positioning plate 14 are propped against the rear side of the base material, then the clamping mechanism 15 is regulated, the clamping rollers 17 on the clamping plate 16 are propped against the front side wall of the right base material, so that two base materials are welded through welding equipment, after the operation is finished, the pedal 9 is stepped down, the pedal 9 moves downwards through the first pull rope 8 and the second pull rope 18 drives the extrusion mechanism 7 to move upwards, the clamping plate 16 moves forwards, so as to loosen the base material, the base material is taken down to the front side, and the clamping rollers 17 are clamped between the guide rollers 17, and the base material cannot be scratched when the base material is taken;
when the base material is fed, the base material is inserted between the guide roller group 5 and the extrusion roller group 7-1, the extrusion roller group 7-1 moves downwards under the pushing of the extrusion spring 7-4, so that the extrusion roller group 7-1 is abutted against the upper side of the base material, after welding is finished, the pedal 9 is stepped on, the pedal 9 drives the first pull rope 8 to move, the first pull rope 8 drives the extrusion roller group 7-1 to move upwards, and the extrusion roller group 7-1 is separated from the base material, so that the base material is convenient to take off;
when the positioning device is used, according to the thickness of a base material, the positioning motor 13-1 is started, the positioning motor 13-1 drives the internal thread pipe 13-2 to rotate through the rotating wheel pair, the internal thread pipe 13-2 drives the screw rod 13-3 to move through threads, the screw rod 13-3 drives the positioning plate 14 to move, the positioning plate 14 slides on the workbench 3, and the base material is clamped by the clamping roller 17 on the positioning plate 14 and the clamping roller 17 on the clamping plate 16;
when the welding device is used, a base material is clamped between clamping rollers 17 on the front side and the rear side, then a positioning bolt 15-2 is rotated, the positioning bolt 15-2 rotates in a fixed plate 15-1, then an adjusting plate 15-3 slides on a workbench 3, the adjusting plate 15-3 drives a clamping plate 16 to move through a damping spring 15-4 until the clamping rollers 17 on the clamping plate 16 and the clamping rollers 17 on the positioning plate 14 clamp the base material, so that welding operation is performed, in the extrusion process, the damping spring 15-4 plays a protective role, damage to the base material caused by overlarge extrusion force is avoided, after the welding operation is completed, a pedal 9 is stepped on, the pedal 9 drives a second stay rope 18 to move downwards, the second stay rope 18 drives the clamping plate 16 to move forwards, the clamping plate 16 is separated from the base material, and the base material is removed.
Compared with the prior art, the beneficial effects of the specific embodiment are as follows:
1. two base materials are respectively clamped between the guide roller and the extrusion mechanism 7 and between the clamping rollers 17 at the two sides, so that the base materials are not scratched in the process of taking;
2. the rear side of locating plate 14 is equipped with positioning mechanism 13, and positioning mechanism 13 can remove locating plate 14 to suitable position, and lift electric putter 6 can remove the guide roller to suitable position, carries out welding operation again, and after the welding is accomplished, can directly drive extrusion mechanism 7 and clamping plate 16 through No. one stay cord 8 and No. two stay cords 18 and remove to need not to adjust fixed position again.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The utility model provides a avoid robot welding of fish tail parent metal to use frock clamp, it includes base (1), support column (2), workstation (3) and support frame (4), the four corners of base (1) upper surface all is fixed with support column (2), the upper end of support column (2) is fixed in the four corners of workstation (3) lower surface, the upside of workstation (3) is equipped with support frame (4), this support frame (4) are the setting of falling "L" shape, the riser of support frame (4) rear side is fixed on the upper surface of workstation (3), the center of the diaphragm of support frame (4) is equipped with welding equipment; characterized in that it further comprises:
the guide roller group (5), the said guide roller group (5) is set up in the left side above the working table (3), four corners of the outer bottom of the guide roller group (5) are fixed with the electric push rod of lift (6), the electric push rod of lift (6) inlays and is fixed in upper surface of the working table (3);
the extrusion mechanism (7) is suspended above the guide roller group (5), and the extrusion mechanism (7) is arranged on a transverse plate of the support frame (4);
the number one pull ropes (8) is two, one end of each pull rope (8) is connected with the extrusion mechanism (7) through a fixed buckle, and the other end of each pull rope (8) passes through the transverse plate of the supporting frame (4) and is hung on the front side of the workbench (3);
the pedal (9) is suspended in front of the lower side of the workbench (3), and the lower end of the first pull rope (8) is fixed on the left side of the upper surface of the pedal (9);
the inserting plate (10) is fixed on the rear side of the upper surface of the pedal (9), a sleeve plate (11) is movably sleeved on the upper side of the inserting plate (10), the sleeve plate (11) is fixed on the lower surface of the workbench (3), and sliding blocks on the two side walls of the inserting plate (10) are arranged in sliding grooves on the inner wall of the sleeve plate (11) in a sliding mode;
the connecting springs (12) are arranged in the sleeve plate (11) at equal intervals from left to right, and the upper end and the lower end of the connecting springs (12) are fixedly connected with the upper inner wall of the sleeve plate (11) and the upper side wall of the inserting plate (10) respectively;
the positioning mechanism (13) is arranged on the right front side of the vertical plate of the support frame (4);
the positioning plate (14) is arranged on the upper surface of the workbench (3) in a sliding manner, and the positioning plate (14) is connected with the positioning mechanism (13);
the clamping mechanism (15) is arranged on the front side of the workbench (3), and the clamping mechanism (15) is arranged on the front side of the positioning plate (14);
the clamping plate (16) is arranged between the clamping mechanism (15) and the positioning plate (14), the clamping plate (16) is connected with the clamping mechanism (15), and the lower side of the clamping plate (16) is slidingly arranged on the upper surface of the workbench (3);
the clamping rollers (17) are arranged in a plurality of grooves on the clamping plate (16) and the positioning plate (14) in a one-to-one correspondence manner through bearings;
the number two pull ropes (18), wherein the number two pull ropes (18) are fixedly connected with the left side and the right side of the front side wall of the clamping plate (16) through fixing buckles respectively, and the other end of the number two pull ropes (18) is fixed on the right side of the upper surface of the pedal (9).
2. The tooling fixture for robot welding for avoiding scratching a base material according to claim 1, wherein: the pressing mechanism (7) comprises:
the extrusion roller set (7-1), the said extrusion roller set (7-1) hangs over the guide roller set (5), the left and right sides of the upper sidewall of the shell of the extrusion roller set (7-1) are fixedly connected with the first stay cord (8) through the fixed buckle;
the connecting rods (7-2) are arranged in a plurality, the connecting rods (7-2) are fixed on the upper side wall of the shell of the extrusion roller group (7-1) in a matrix manner, and the upper ends of the connecting rods (7-2) are exposed on the upper side of the supporting frame (4) after penetrating through the transverse plates of the supporting frame (4);
the limiting blocks (7-3) are arranged in a plurality, are fixed on the top end of the connecting rod (7-2) in a one-to-one correspondence manner, and are arranged in a contact manner with the upper surface of the transverse plate of the supporting frame (4);
the plurality of extrusion springs (7-4) are sleeved on one end of the connecting rod (7-2) positioned in the support frame (4) in a one-to-one correspondence manner;
when the base material is fed, the base material is inserted between the guide roller set (5) and the extrusion roller set (7-1), the extrusion roller set (7-1) moves downwards under the pushing of the extrusion spring (7-4), the extrusion roller set (7-1) is made to abut against the upper side of the base material, after welding is finished, the pedal (9) is stepped on, the pedal (9) drives the first pull rope (8) to move, the first pull rope (8) drives the extrusion roller set (7-1) to move upwards, and the extrusion roller set (7-1) is separated from the base material, so that the base material is convenient to take off.
3. The tooling fixture for robot welding for avoiding scratching a base material according to claim 1, wherein: the positioning mechanism (13) comprises:
the positioning motor (13-1) is fixed on the front side wall of the vertical plate of the support frame (4) through a bracket, and the positioning motor (13-1) is connected with an external power supply;
the four internal thread pipes (13-2) are screwed with the vertical plate of the support frame (4) through bearings, the internal thread pipes (13-2) and the internal thread pipes (13-2) are connected with the positioning motor (13-1) through rotating wheel sets, and the rotating wheel sets are embedded in the vertical plate of the support frame (4);
the four screws (13-3) are inserted into the inner threaded pipes (13-2) in a one-to-one correspondence manner, and the other ends of the screws (13-3) penetrate through the front ends of the inner threaded pipes (13-2) and then are fixed on the rear side wall of the positioning plate (14) through threaded screwing;
when the device is used, according to the thickness of a base material, the positioning motor (13-1) is started, the positioning motor (13-1) drives the internal thread pipe (13-2) to rotate through the rotating wheel pair, the internal thread pipe (13-2) drives the screw rod (13-3) to move through threads, the screw rod (13-3) drives the positioning plate (14) to move, the positioning plate (14) slides on the workbench (3) until the clamping roller (17) on the positioning plate (14) and the clamping roller (17) on the clamping plate (16) clamp the base material.
4. The tooling fixture for robot welding for avoiding scratching a base material according to claim 1, wherein: the left and right sides of lateral wall on support frame (4) all be equipped with pulley (19), should pulley (19) set up with two stay cords (8) offset respectively, the middle-end of two stay cords (8) all with pulley (20) offset setting No. two, pulley (20) pass through the anterior lateral wall fixed connection of the diaphragm of extension board with support frame (4), stay cord (8) slide on pulley (19) and No. two pulley (20) No. one stay cord (8) at the in-process of pulling.
5. The tooling fixture for robot welding for avoiding scratching a base material according to claim 1, wherein: the clamping mechanism (15) comprises:
the fixing plate (15-1), the said fixing plate (15-1) is fixed on the front side of the upper surface of the work table (3), and it locates at the front side of the clamping plate (16);
the four positioning bolts (15-2) are respectively screwed on the fixed plate (15-1) through threads, the rear end of the positioning screw (13-3) is exposed out of the rear side of the fixed plate (15-1), the fixed plate (15-1) is sleeved on the second stay cord (18), and the four positioning bolts (15-2) are connected through a rotating wheel set;
the adjusting plate (15-3), the adjusting plate (15-3) is arranged between the fixed plate (15-1) and the clamping plate (16), and the adjusting plate (15-3) is screwed with the rear end of the positioning bolt (15-2) through a bearing;
the damping springs (15-4) are arranged in a plurality of mode, and are fixed on the adjusting plate (15-3) and the clamping plate (16) in a matrix mode;
when the welding device is used, a base material is clamped between clamping rollers (17) on the front side and the rear side, then a positioning bolt (15-2) is rotated, the positioning bolt (15-2) rotates in a fixed plate (15-1), then an adjusting plate (15-3) slides on a workbench (3), the adjusting plate (15-3) drives a clamping plate (16) to move through a damping spring (15-4) until the clamping rollers (17) on the clamping plate (16) and the clamping rollers (17) on the positioning plate (14) clamp the base material, so that welding operation is performed, in the extrusion process, the damping spring (15-4) plays a protective effect, damage to the base material due to overlarge extrusion force is avoided, after the welding operation is completed, a pedal (9) is stepped on, the pedal (9) drives a second stay rope (18) to move downwards, the second stay rope (18) drives the clamping plate (16) to move forwards, and the clamping plate (16) is separated from the base material to be removed.
6. The tooling fixture for robot welding for avoiding scratching a base material according to claim 1, wherein: a buffer cotton (21) is fixed on one side wall of the clamping plate (16) adjacent to the adjusting plate (15-3), the buffer cotton (21) is sleeved on the outer side of the damping spring (15-4), and in the using process, when the damping spring (15-4) is damaged, the clamping plate (16) is buffered through the buffer cotton (21).
7. The working principle of the tool clamp for robot welding for avoiding scratching a base material according to claim 1, wherein the working principle is that: one of the base materials to be welded is placed in the guide roller group (5), then according to the size of the base material, the lifting electric push rod (6) is started, the lifting electric push rod (6) drives the guide roller group (5) to move up and down until the upper side of the base material is abutted against the lower side of the extrusion roller group (7-1), then according to the height of the base material on the left side, the other base material is placed on the right side of the base material on the left side and is positioned on the same plane, the base material on the right side is positioned between the clamping rollers (17) on the front side and the back side, then the positioning mechanism (13) is started, the clamping rollers (17) on the positioning plate (14) are abutted against the rear side of the base material, then the clamping mechanism (15) is regulated, the clamping rollers (17) on the clamping plate (16) are abutted against the front side wall of the base material on the right side, so that welding operation is carried out on the two base materials through welding equipment, after the operation is finished, the pedal (9) is stepped down, the pedal (9) moves downwards through the first pull rope (8) and the second pull rope (18), the first pull rope (8) drives the extrusion mechanism (7) to move upwards, the second pull rope (18) drives the clamping rollers (18) to move forwards, the clamping rollers (16) are not clamped between the base material and the base material to be taken down, and the base material can be clamped and clamped by the clamping rollers (16) when the base material is not moved forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111519000.9A CN114029694B (en) | 2021-12-14 | 2021-12-14 | Robot welding fixture capable of avoiding scratch of base metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111519000.9A CN114029694B (en) | 2021-12-14 | 2021-12-14 | Robot welding fixture capable of avoiding scratch of base metal |
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| Publication Number | Publication Date |
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| CN114029694A CN114029694A (en) | 2022-02-11 |
| CN114029694B true CN114029694B (en) | 2023-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111519000.9A Active CN114029694B (en) | 2021-12-14 | 2021-12-14 | Robot welding fixture capable of avoiding scratch of base metal |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208438003U (en) * | 2018-06-29 | 2019-01-29 | 时敬龙 | A kind of clamp for numerical control machining of portable Fast Installation |
| CN211072352U (en) * | 2019-08-19 | 2020-07-24 | 山西电力职业技术学院 | Automatic welding machine for electrical engineering |
| CN112589367A (en) * | 2020-12-24 | 2021-04-02 | 江苏欧朗汽车管路系统有限公司 | Pipe clamping tool convenient to butt joint and used for robot welding |
| CN214603600U (en) * | 2021-03-17 | 2021-11-05 | 江苏悦志模具科技有限公司 | Anti-scratch's car panel beating accessory mould processing uses grinding machine |
-
2021
- 2021-12-14 CN CN202111519000.9A patent/CN114029694B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208438003U (en) * | 2018-06-29 | 2019-01-29 | 时敬龙 | A kind of clamp for numerical control machining of portable Fast Installation |
| CN211072352U (en) * | 2019-08-19 | 2020-07-24 | 山西电力职业技术学院 | Automatic welding machine for electrical engineering |
| CN112589367A (en) * | 2020-12-24 | 2021-04-02 | 江苏欧朗汽车管路系统有限公司 | Pipe clamping tool convenient to butt joint and used for robot welding |
| CN214603600U (en) * | 2021-03-17 | 2021-11-05 | 江苏悦志模具科技有限公司 | Anti-scratch's car panel beating accessory mould processing uses grinding machine |
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|---|---|
| CN114029694A (en) | 2022-02-11 |
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