CN214602915U

CN214602915U - Robot welding clamping structure with good stability

Info

Publication number: CN214602915U
Application number: CN202120842744.3U
Authority: CN
Inventors: 高盛能
Original assignee: Chengdu Youli Kuen New Material Co ltd
Current assignee: Chengdu Youli Kuen New Material Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-05
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to a robot welding technology field especially relates to a robot welding clamping structure that stability is good, to the problem that the background art provided, now proposes following scheme, the on-line screen storage device comprises a base, the mounting groove has been seted up at the top of base, and the both ends inner wall of mounting groove all rotates and is connected with first bidirectional screw, the equal spiro union in outer wall both ends of first bidirectional screw has fixture, and fixture includes the movable block of spiro union on first bidirectional screw outer wall. The utility model discloses can be applicable to the metal pipe fitting of different length, can make this clamping structure have good flexibility and practicality, can avoid metal pipe fitting to appear dropping or problem appearance that influences welding quality such as offset in welded in-process, can make metal pipe fitting fixed more stable, fix a position more accurately, improved this clamping structure's stability, can also carry out the centre gripping to the metal pipe fitting of equidimension not simultaneously.

Description

Robot welding clamping structure with good stability

Technical Field

The utility model relates to a welding of robot technical field especially relates to a robot welding clamping structure that stability is good.

Background

The welding robot is an industrial robot engaged in welding. According to the definition of the international standardization organization industrial robot, which belongs to the standard welding robot, the industrial robot is a multipurpose, reprogrammable automatic control manipulator with three or more programmable axes for the industrial automation field. To accommodate different applications, the mechanical interface of the last axis of the robot, usually a connecting flange, may be used to attach different tools or end effectors. The welding robot is to attach a welding clamp or a welding gun on a tail shaft flange of the industrial robot so as to weld.

When welding metal pipe fitting among the prior art, need use professional anchor clamps to carry out fixed position respectively to body and sheetmetal, then weld through the robot, the clamping device of current welding robot adopts the tight mode of extrusion clamp, but all is in unsettled device at welded in-process work piece usually, adopts the tight mode of extrusion clamp to lead to the condition that the work piece dropped in welding process very easily, breaks the work piece that needs the welding easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a robot welding clamping structure with good stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a robot welding clamping structure that stability is good, the on-line screen storage device comprises a base, the mounting groove has been seted up at the top of base, and the both ends inner wall of mounting groove all rotates and is connected with first bidirectional screw, the equal spiro union in outer wall both ends of first bidirectional screw has fixture, and fixture includes the spiro union in the movable block on first bidirectional screw outer wall, weld in the fixed frame at movable block top, install in the centre gripping subassembly at fixed frame both sides inner wall both ends, install in the servo motor of fixed frame top one end, the centre gripping subassembly includes the arc, welds in the first connecting block of arc outer wall one end and welds in the second connecting block of the arc outer wall other end.

Preferably, the outer wall of one side of the base is provided with a mounting hole communicated with the inside of the mounting groove, and the mounting hole is matched with the first bidirectional screw.

Preferably, one side outer wall of base rotates and is connected with the crank inserted bar, and the crank inserted bar includes the crank, and the outer wall all bonds all around of crank has rubber antiskid circle, and the welding of the one end outer wall of crank has the carousel, and the welding of one side outer wall center department that the crank was kept away from to the carousel has the inserted bar, and the one end that the carousel was kept away from to the inserted bar is passed through the shaft coupling and is connected fixedly with the one end of first two-way screw.

Preferably, threaded holes are formed in the outer wall of one side of each movable block, the threaded holes in the movable blocks of the two sides are matched with the threads on the outer walls of the two ends of the first bidirectional screw respectively, and the specifications of the movable blocks are matched with the specifications of the inner portions of the mounting grooves.

Preferably, the spout has all been seted up to the both sides inner wall of fixed frame, and the spout both ends inner wall of one side all pegs graft and have the dead lever, the jack with dead lever looks adaptation is all seted up at the top of first connecting block, and the spout both ends inner wall of opposite side all rotates and is connected with the second bidirectional screw, and the screw hole with the adaptation of second bidirectional screw looks is all seted up at the top of second connecting block, and the through-hole that communicates with the spout inner wall and with second bidirectional screw looks adaptation is seted up to the top one end of fixed frame.

Preferably, the output shaft of the servo motor is fixedly connected with one end of the second bidirectional screw through the coupler, the mounting shell is arranged outside the servo motor, the bottom of the mounting shell is mounted at the top of the fixing frame, heat dissipation holes distributed equidistantly are formed in the outer wall of one side of the mounting shell, the servo motor is connected with a switch located on the outer wall of one side of the base through a wire, and the switch is connected with an external power supply through a wire.

The utility model has the advantages that:

1. the clamping mechanisms at the two ends are matched with each other through the arranged first bidirectional screw, the relative positions of the clamping mechanisms at the two ends can be adjusted through the crank inserted bar, the clamping mechanism can be suitable for metal pipe fittings with different lengths, and the clamping mechanism has good flexibility and practicability;

2. through two centre gripping subassemblies mutually supporting, can carry out the centre gripping to needs welded metal pipe fitting fixed, can avoid metal pipe fitting to appear dropping or problem that influence welding quality such as offset appears in welded in-process, can make metal pipe fitting fixed more stable, fix a position more accurately, improved this clamping structure's stability, can also carry out the centre gripping to the not metal pipe fitting of equidimension simultaneously.

Drawings

Fig. 1 is a schematic view of a split structure of a clamping mechanism of a robot welding clamping structure with good stability provided by the utility model;

fig. 2 is a schematic view of a base structure of a robot welding and clamping structure with good stability according to the present invention;

fig. 3 is the utility model provides a good robot welding clamping structure's of stability overall structure schematic diagram.

In the figure: the automatic clamping device comprises a base 1, a mounting groove 101, a mounting hole 102, a first bidirectional screw rod 2, a crank inserting rod 3, a clamping mechanism 4, a movable block 5, a fixed frame 6, a sliding groove 601, a clamping assembly 7, an arc plate 701, a first connecting block 702, a second connecting block 703, a fixed rod 8, a second bidirectional screw rod 9, a servo motor 10 and a mounting shell 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a robot welding clamping structure with good stability comprises a base 1, wherein a mounting groove 101 is formed in the top of the base 1, inner walls of two ends of the mounting groove 101 are connected with a first bidirectional screw 2 in a rotating mode, a mounting hole 102 communicated with the inside of the mounting groove 101 is formed in the outer wall of one side of the base 1, the mounting hole 102 is matched with the first bidirectional screw 2, an inserting rod 3 of a crank is connected to the outer wall of one side of the base 1 in a rotating mode, the inserting rod 3 of the crank comprises a crank, rubber anti-slip rings are bonded to the outer wall of the crank all around, a rotary table is welded to the outer wall of one end of the crank, an inserting rod is welded to the center of the outer wall of one side of the rotary table far away from the crank, one end of the inserting rod far away from the rotary table is fixedly connected with one end of the first bidirectional screw 2 through a coupler, clamping mechanisms 4 are screwed to two ends of the outer wall of the first bidirectional screw 2, and each clamping mechanism 4 comprises a movable block 5, The clamping device comprises a fixed frame 6, clamping assemblies 7 and a servo motor 10, wherein the movable block 5 is in threaded connection with the outer wall of the first bidirectional screw 2, the fixed frame 6 is welded at the top of the movable block 5, the clamping assemblies 7 are installed at two ends of the inner walls of two sides of the fixed frame 6, the servo motor 10 is installed at one end of the top of the fixed frame 6, the first bidirectional screw 2 and the clamping mechanisms 4 at two ends are arranged to be matched with each other, the relative positions of the clamping mechanisms 4 at two ends can be adjusted through the crank inserted rod 3, the clamping device can be suitable for metal pipe fittings with different lengths, and the clamping structure has good flexibility and practicability;

the outer wall of one side of the movable block 5 is provided with threaded holes, the threaded holes on the movable block 5 of the two sides are respectively matched with threads on the outer walls of two ends of the first bidirectional screw 2, the specification of the movable block 5 is matched with the internal specification of the mounting groove 101, the output shaft of the servo motor 10 is connected and fixed with one end of the second bidirectional screw 9 through a coupler, the outer part of the servo motor 10 is provided with a mounting shell 11, the bottom of the mounting shell 11 is mounted at the top of the fixed frame 6, the outer wall of one side of the mounting shell 11 is provided with radiating holes distributed at equal intervals, the servo motor 10 is connected with a switch positioned on the outer wall of one side of the base 1 through a lead, the switch is connected with an external power supply through a lead, the clamping assembly 7 comprises an arc-shaped plate 701, a first connecting block 702 and a second connecting block 703, the first connecting block 702 is welded at one end of the outer wall of the arc-shaped plate 701, the second connecting block (703) is welded at the other end of the outer wall of the arc-shaped plate 701, the inner walls of two sides of the fixing frame 6 are both provided with sliding grooves 601, the inner walls of two ends of the sliding groove 601 at one side are both inserted with fixing rods 8, the top of the first connecting block 702 is both provided with insertion holes matched with the fixing rods 8, the inner walls of two ends of the sliding groove 601 at the other side are both rotationally connected with second bidirectional screws 9, the top of the second connecting block 703 is both provided with threaded holes matched with the second bidirectional screws 9, one end of the top of the fixing frame 6 is provided with through holes communicated with the inner wall of the sliding groove 601 and matched with the second bidirectional screws 9, through the mutual matching of the two clamping components 7, the metal pipe fitting to be welded can be clamped and fixed, the problem that the welding quality is affected by falling or position deviation of the metal pipe fitting in the welding process can be avoided, the metal pipe fitting can be fixed more stably, the positioning is more accurate, and the stability of the clamping structure is improved, meanwhile, metal pipe fittings of different sizes can be clamped.

The working principle is as follows: one end of the metal pipe fitting is placed in one of the clamping mechanisms 4, the first bidirectional screw rod 2 is driven to rotate by rotating the crank inserted bar 3, the first bidirectional screw rod 2 is matched with the threads between the movable blocks 5 at the two ends, so that the clamping mechanisms 4 at the two ends move relatively, the positions of the clamping mechanisms 4 can be adjusted according to the length of the metal pipe fitting, so that the positions of the two clamping mechanisms 4 are in accordance with the length of the metal pipe fitting, the servo motor 10 is started through the switch, the servo motor 10 rotates to drive the second bidirectional screw rod 9 to rotate, the second bidirectional screw rod 9 is matched with the second connecting block 703 through threads, so that the two clamping components 7 in the fixing frame 6 move relatively, when the outer walls of the opposite sides of the upper arc plate 701 and the lower arc plate 701 are attached to the outer wall of the metal pipe fitting, the metal pipe fitting is clamped and fixed, and subsequent welding operation can be started.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A robot welding clamping structure with good stability comprises a base (1) and is characterized in that the top of the base (1) is provided with a mounting groove (101), and the inner walls of the two ends of the mounting groove (101) are both rotationally connected with a first bidirectional screw (2), the two ends of the outer wall of the first bidirectional screw (2) are both screwed with clamping mechanisms (4), the clamping mechanism (4) comprises a movable block (5) which is in threaded connection with the outer wall of the first bidirectional screw (2), a fixed frame (6) which is welded at the top of the movable block (5), clamping components (7) which are arranged at two ends of the inner wall at two sides of the fixed frame (6), and a servo motor (10) which is arranged at one end of the top of the fixed frame (6), the clamping assembly (7) comprises an arc-shaped plate (701), a first connecting block (702) welded at one end of the outer wall of the arc-shaped plate (701) and a second connecting block (703) welded at the other end of the outer wall of the arc-shaped plate (701).

2. The robot welding clamping structure with good stability as claimed in claim 1, wherein a mounting hole (102) communicated with the inside of the mounting groove (101) is formed in an outer wall of one side of the base (1), and the mounting hole (102) is matched with the first bidirectional screw (2).

3. The robot welding clamping structure with the good stability as claimed in claim 1, wherein a crank inserting rod (3) is rotatably connected to an outer wall of one side of the base (1), the crank inserting rod (3) comprises a crank, rubber anti-slip rings are bonded to outer walls of the periphery of the crank, a rotary plate is welded to an outer wall of one end of the crank, the inserting rod is welded to the center of an outer wall of one side of the rotary plate, which is far away from the crank, and one end of the inserting rod, which is far away from the rotary plate, is fixedly connected with one end of the first bidirectional screw (2) through a coupler.

4. The robot welding clamping structure with good stability as claimed in claim 1, wherein the outer wall of one side of the movable block (5) is provided with a threaded hole, the threaded holes in the movable blocks (5) on two sides are respectively matched with the threads on the outer walls of two ends of the first bidirectional screw (2), and the specification of the movable block (5) is matched with the internal specification of the mounting groove (101).

5. The robot welding clamping structure with good stability as claimed in claim 1, wherein sliding grooves (601) are formed in inner walls of two sides of the fixing frame (6), fixing rods (8) are inserted into inner walls of two ends of each sliding groove (601) on one side, insertion holes matched with the fixing rods (8) are formed in tops of the first connecting blocks (702), inner walls of two ends of each sliding groove (601) on the other side are rotatably connected with second bidirectional screws (9), threaded holes matched with the second bidirectional screws (9) are formed in tops of the second connecting blocks (703), and through holes communicated with inner walls of the sliding grooves (601) and matched with the second bidirectional screws (9) are formed in one end of the top of the fixing frame (6).

6. The robot welding clamping structure with good stability as claimed in claim 1, wherein an output shaft of the servo motor (10) is fixedly connected with one end of the second bidirectional screw (9) through a coupler, a mounting shell (11) is arranged outside the servo motor (10), the bottom of the mounting shell (11) is mounted at the top of the fixing frame (6), heat dissipation holes distributed at equal intervals are formed in the outer wall of one side of the mounting shell (11), the servo motor (10) is connected with a switch located on the outer wall of one side of the base (1) through a lead, and the switch is connected with an external power supply through a lead.