CN220312225U

CN220312225U - Intelligent rotatable centre gripping formula welding robot

Info

Publication number: CN220312225U
Application number: CN202321747915.XU
Authority: CN
Inventors: 丁红伟; 熊卫; 吴舟
Original assignee: Ningbo Jun Fa Automation Equipment Co ltd
Current assignee: Ningbo Jun Fa Automation Equipment Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-01-09
Anticipated expiration: 2033-07-05

Abstract

The utility model discloses an intelligent rotatable clamping type welding robot which comprises a main mounting base, wherein the bottom of the main mounting base is fixedly connected with a lower movable shaft, one side of the rear end of a three-section arm is provided with a fixed clamping jaw, one side of the fixed clamping jaw is fixedly connected with a welding gun, and the top of a supporting plate is provided with a mechanism which is convenient to rotate and adjust direction. This intelligent rotatable centre gripping formula welding robot is through being provided with loose axle, main sleeve shell, inner bearing, first belt pulley, second belt pulley, driving belt, side sleeve shell and first servo motor down, during the use, when need turn to the regulation, first servo motor at the top of side sleeve shell drives the second belt pulley and rotates, driving belt transmission drives first belt pulley synchronous rotation, the main installation base rotation of lower loose axle atress drive the top promptly, the function of being convenient for rotate the direction-adjusting has been realized, the problem that the device does not possess the function of being convenient for rotate the direction-adjusting is solved.

Description

Intelligent rotatable centre gripping formula welding robot

Technical Field

The utility model relates to the technical field of welding robots, in particular to an intelligent rotatable clamping type welding robot.

Background

The welding robot is an industrial robot for welding, is one of common equipment on a modern production line, can realize automatic welding through a pre-programmed program, and can realize intelligent automatic production in cooperation with a visual detection system.

The current common intelligent welding robots on the market are mostly similar in structure, mainly comprise joint robots, fix welding guns through pneumatic claw clamps, utilize servo motors to drive joint arms to swing up and down to realize continuous adjustment of the positions of welding gun heads, have certain functional defects in the actual use process, have certain improvement spaces, for example, the rotation amplitude of the robots is small, only small-amplitude direction adjustment can be performed on local areas, have certain limitation when welding workpieces with complex structures, and do not have the function of facilitating rotation direction adjustment; secondly, when welding large workpieces, because the positions of the robots are fixed, a plurality of groups of robots are additionally arranged for synchronous welding, the cost is high, and the welding device does not have the function of conveniently adjusting the positions and increasing the welding working areas; in addition, the wire rod externally connected with the welding gun is generally directly fixed on the swing arm of the robot through the metal fixing piece, and the wire rod and the fixing piece directly rub along with the front-back left-right displacement of the mechanical arm, so that the outer coating layer is easily worn, and the wire rod lifting mechanism does not have the function of lifting the wire rod and reducing the wear probability.

At present, a novel intelligent rotatable clamping type welding robot is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide an intelligent rotatable clamping type welding robot so as to solve the problem that the welding robot in the background art does not have a function of facilitating rotation and direction adjustment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an intelligent rotatable centre gripping formula welding robot, includes main installation base, the bottom fixedly connected with lower loose axle of main installation base, the below of loose axle is provided with the bottom fixed slot down, the top of bottom fixed slot is provided with the layer board, the front end swing joint of main installation base has the master arm, the top swing joint of master arm rear end has the second-stage arm, one side swing joint of second-stage arm has the syllogic arm, fixed clamping jaw is installed to one side of syllogic arm rear end, one side fixedly connected with welder of fixed clamping jaw, vertical fixedly connected with vertical slide bar between the both sides at both ends around the inside of bottom fixed slot, the bottom fixedly connected with concave type mount of syllogic arm, the rear end of concave type mount glues there is cortex to hold in the palm the line cover, the one end of cortex holds in the palm the line cover glues there is the fixed plate, the top of layer board is provided with the rotation of being convenient for to turn to mechanism.

The utility model provides a be convenient for rotate steering mechanism includes the main sleeve shell, the welding of main sleeve shell is in one side at the layer board top, the externally mounted of loose axle has two sets of inner bearings down, the outside bottom fixedly connected with first belt pulley of loose axle down, one side fixedly connected with side sleeve shell of main sleeve, swing joint has the second belt pulley between the inside upper and lower both ends of side sleeve, drive belt has been cup jointed to the outside of first belt pulley, second belt pulley, the top fixedly connected with first servo motor of side sleeve.

Preferably, the outer portion of the inner bearing is coupled to the inner portion of the main housing.

Preferably, the interiors of the main sleeves and side sleeves are in communication.

Preferably, the output end of the first servo motor is connected with the top end of the second belt pulley.

Preferably, the middle positions of the front end and the rear end of the bottom fixing groove are movably connected with a longitudinal threaded rod, threads on the outer portion of the longitudinal threaded rod are matched with threads on the inner portion of the supporting plate, and the supporting plate can slide back and forth along the outer portion of the longitudinal sliding rod.

Preferably, a second servo motor is installed at the middle position of the rear end of the top of the bottom fixing groove, a speed reducer is installed between the rear end of the second servo motor and the rear end of the bottom fixing groove, and the longitudinal sliding rods are symmetrically distributed about the vertical center line of the bottom fixing groove.

Preferably, the concave fixing frame and the fixing plate are made of the same material.

Preferably, the two sides of the front end of the concave fixing frame are respectively welded with a fixing bolt rod, the outer part of the fixing bolt rod is sleeved with a anticreep nut, the fixing bolt rod penetrates through the inner part of the fixing plate and extends to the outer part, and threads inside the anticreep nut are identical with threads outside the fixing bolt rod.

Compared with the prior art, the utility model has the beneficial effects that: the intelligent rotatable clamping type welding robot not only realizes the function of being convenient for rotating and adjusting the direction, the function of being convenient for adjusting the position and increasing the welding working area, but also realizes the function of lifting wires and reducing the abrasion probability;

(1) When the robot is used, the main arm, the two-section arm and the three-section arm form a robot main body, the servo motor is used for driving the joint, the fixed clamping jaw clamps the welding gun to weld a workpiece, when steering adjustment is needed, the first servo motor at the top of the side casing drives the second belt pulley to rotate, the transmission belt drives the first belt pulley to synchronously rotate, the lower movable shaft is stressed, namely the main installation base above the lower movable shaft is driven to rotate, the inner bearing in the main casing enables the lower movable shaft to rotate more stably, and the function of facilitating rotation and direction adjustment is realized;

(2) When the welding machine is used, according to the specification and type of a workpiece, the robot can be enabled to move left and right when the welding working area is large, the second servo motor drives the longitudinal threaded rod to rotate through the speed reducer, the supporting plate is displaced along the longitudinal sliding rod, the position of the robot above the supporting plate is synchronously changed, the working area can be enlarged, the working efficiency of the robot is improved, and the function of conveniently adjusting the position and increasing the welding working area is realized;

(3) Through being provided with concave mount, leather supporting wire cover, fixed plate, fixing bolt pole and anticreep nut, during the use, welder end-to-end connection's pipeline draws in upwards, upset leather supporting wire cover is including the pipeline cladding, the fixed plate laminating of leather supporting wire cover one end is at concave mount, the fixing bolt pole link up the inside of fixed plate, embolia anticreep nut and screw on the fixing bolt pole afterwards, prevent that the fixed plate from droing, soft leather supporting wire cover can reduce the wire rod and take place the probability of wearing and tearing at the pull in-process that makes a round trip, realized lifting wire rod reduces the function of wearing and tearing probability.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is an enlarged schematic cross-sectional view of a main housing according to the present utility model;

FIG. 3 is a schematic top view of the bottom mounting groove of the present utility model;

fig. 4 is a schematic diagram of a side view and enlarged structure of the concave fixing frame of the present utility model.

In the figure: 1. a main mounting base; 2. a lower movable shaft; 3. a supporting plate; 4. a bottom fixing groove; 5. a main casing; 6. an inner bearing; 7. a first pulley; 8. a second pulley; 9. a drive belt; 10. a side casing; 11. a first servo motor; 12. a main arm; 13. a two-stage arm; 14. a three-section arm; 15. fixing the clamping jaw; 16. a welding gun; 17. a longitudinal slide bar; 18. a longitudinal threaded rod; 19. a second servo motor; 20. a speed reducer; 21. a concave fixing frame; 22. a leather supporting wire sleeve; 23. a fixing plate; 24. fixing a bolt rod; 25. and (5) a drop-proof nut.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, an intelligent rotatable clamping type welding robot comprises a main mounting base 1, wherein a lower movable shaft 2 is fixedly connected to the bottom of the main mounting base 1, a bottom fixing groove 4 is formed below the lower movable shaft 2, a supporting plate 3 is arranged above the bottom fixing groove 4, a main arm 12 is movably connected to the front end of the main mounting base 1, a second-section arm 13 is movably connected to the top of the rear end of the main arm 12, a third-section arm 14 is movably connected to one side of the second-section arm 13, a fixing clamping jaw 15 is arranged on one side of the rear end of the third-section arm 14, a welding gun 16 is fixedly connected to one side of the fixing clamping jaw 15, and a convenient-rotation direction-adjusting mechanism is arranged at the top of the supporting plate 3;

referring to fig. 1-4, an intelligent rotatable clamping welding robot further comprises a rotation-facilitating direction-adjusting mechanism, wherein the rotation-facilitating direction-adjusting mechanism comprises a main sleeve 5, the main sleeve 5 is welded on one side of the top of a supporting plate 3, two groups of inner bearings 6 are arranged on the outer portion of a lower movable shaft 2, a first belt pulley 7 is fixedly connected to the bottom end of the outer portion of the lower movable shaft 2, a side sleeve 10 is fixedly connected to one side of the main sleeve 5, a second belt pulley 8 is movably connected between the upper end and the lower end of the inner portion of the side sleeve 10, a transmission belt 9 is sleeved on the outer portions of the first belt pulley 7 and the second belt pulley 8, and a first servo motor 11 is fixedly connected to the top of the side sleeve 10;

the outer part of the inner bearing 6 is connected with the inner part of the main sleeve shell 5, the main sleeve shell 5 and the inner part of the side sleeve shell 10 are communicated, the output end of the first servo motor 11 is connected with the top end of the second belt pulley 8, so that steering adjustment is facilitated, and the steering range and angle are enlarged;

specifically, as shown in fig. 1 and fig. 2, the first servomotor 11 at the top of the side casing 10 drives the second pulley 8 to rotate, the driving belt 9 drives the first pulley 7 to rotate synchronously, the lower movable shaft 2 is stressed, that is, drives the main mounting base 1 above to rotate, and the inner bearing 6 in the main casing 5 makes the lower movable shaft 2 rotate more stably.

Example 2: a longitudinal sliding rod 17 is longitudinally and fixedly connected between the two sides of the front end and the rear end of the inside of the bottom fixing groove 4, a longitudinal threaded rod 18 is movably connected at the middle position of the front end and the rear end of the inside of the bottom fixing groove 4, threads outside the longitudinal threaded rod 18 are matched with threads inside the supporting plate 3, the supporting plate 3 can slide back and forth along the outside of the longitudinal sliding rod 17, a second servo motor 19 is arranged at the middle position of the rear end of the top of the bottom fixing groove 4, a speed reducer 20 is arranged between the rear end of the second servo motor 19 and the rear end of the bottom fixing groove 4, the longitudinal sliding rod 17 is symmetrically distributed about the vertical central line of the bottom fixing groove 4, the real-time position of the robot is conveniently adjusted, and the working area is enlarged;

specifically, as shown in fig. 1 and 3, the second servo motor 19 drives the longitudinal threaded rod 18 to rotate through the speed reducer 20, the supporting plate 3 is displaced along the longitudinal sliding rod 17, and the position of the robot above the supporting plate is synchronously changed, so that the working area can be enlarged, and the working efficiency of the robot can be improved.

Example 3: the bottom of the three-section arm 14 is fixedly connected with a concave fixing frame 21, the rear end of the concave fixing frame 21 is glued with a leather supporting wire sleeve 22, one end of the leather supporting wire sleeve 22 is glued with a fixing plate 23, the concave fixing frame 21 and the fixing plate 23 are made of the same materials, two sides of the front end of the concave fixing frame 21 are respectively welded with a fixing bolt rod 24, the outer part of the fixing bolt rod 24 is sleeved with a anticreep nut 25, the fixing bolt rod 24 penetrates the inner part of the fixing plate 23 and extends to the outer part, threads inside the anticreep nut 25 are identical with threads outside the fixing bolt rod 24, and the abrasion to wires is reduced while the wires are coated;

specifically, as shown in fig. 1 and fig. 4, the pipe is wrapped by the turnover leather wire sleeve 22, the fixing plate 23 at one end of the leather wire sleeve 22 is attached to the concave fixing frame 21, the fixing bolt rod 24 penetrates through the inside of the fixing plate 23, then the anti-drop nut 25 is sleeved on the fixing bolt rod 24 and screwed, the fixing plate 23 is prevented from dropping, and the soft leather wire sleeve 22 can reduce the probability of abrasion of the wire in the back and forth drawing process.

Working principle: when the robot is used, firstly, the main arm 12, the two-section arm 13 and the three-section arm 14 form a robot main body, a servo motor is driven at the joint, the fixed clamping jaw 15 clamps the welding gun 16 to weld workpieces, when steering adjustment is required, the first servo motor 11 at the top of the side casing 10 drives the second belt pulley 8 to rotate, the transmission belt 9 drives the first belt pulley 7 to synchronously rotate, the lower movable shaft 2 is stressed, namely the main installation base 1 above is driven to rotate, and the inner bearing 6 in the main casing 5 enables the lower movable shaft 2 to rotate more stably. According to the specification and the type of the workpiece, when the welding working area is large, the robot can be shifted left and right, the second servo motor 19 drives the longitudinal threaded rod 18 to rotate through the speed reducer 20, the supporting plate 3 is shifted along the longitudinal sliding rod 17, the position of the robot above the supporting plate is synchronously changed, the working area can be enlarged, and the working efficiency of the robot is improved. The pipeline that welder 16 end-to-end connects draws in upwards, and upset cortex holds in the palm line cover 22 wraps the pipeline in, and the fixed plate 23 laminating of cortex support line cover 22 one end is in concave mount 21, and fixing bolt pole 24 link up the inside of fixed plate 23, and then embolia anticreep nut 25 and screw on fixing bolt pole 24, prevent that fixed plate 23 from droing, soft cortex holds in the palm line cover 22 can reduce the probability that the wire rod takes place wearing and tearing in the pull back and forth in-process.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an intelligent rotatable centre gripping formula welding robot, includes main installation base (1), its characterized in that: the automatic welding machine comprises a main mounting base (1), a lower movable shaft (2) is fixedly connected to the bottom of the main mounting base (1), a bottom fixing groove (4) is formed in the lower part of the lower movable shaft (2), a supporting plate (3) is arranged above the bottom fixing groove (4), a main arm (12) is movably connected to the front end of the main mounting base (1), a two-section arm (13) is movably connected to the top of the rear end of the main arm (12), a three-section arm (14) is movably connected to one side of the two-section arm (13), a fixing clamping jaw (15) is arranged on one side of the rear end of the three-section arm (14), a welding gun (16) is fixedly connected to one side of the fixing clamping jaw (15), a longitudinal sliding rod (17) is longitudinally fixedly connected between two sides of the front end and the rear end of the inside of the bottom fixing groove (4), a concave fixing frame (21) is fixedly connected to the bottom of the three-section arm (14), a leather supporting wire sleeve (22) is movably connected to the rear end of the concave fixing frame (21), one end of the leather supporting wire sleeve (22) is provided with a fixing plate (23), one end of the leather supporting wire sleeve (22) is movably connected to the fixing plate (3), and a rotating mechanism is arranged on the top of the leather supporting wire sleeve (23).

The utility model provides a be convenient for rotate steering mechanism includes main sleeve shell (5), one side at layer board (3) top is welded to main sleeve shell (5), two sets of inner bearings (6) of externally mounted of loose axle (2) down, the outside bottom fixedly connected with first belt pulley (7) of loose axle (2) down, one side fixedly connected with side sleeve shell (10) of main sleeve shell (5), swing joint has second belt pulley (8) between the inside upper and lower both ends of side sleeve shell (10), driving belt (9) have been cup jointed in the outside of first belt pulley (7), second belt pulley (8), the top fixedly connected with first servo motor (11) of side sleeve (10).

2. The intelligent rotatable clamp type welding robot of claim 1, wherein: the outer part of the inner bearing (6) is connected with the inner part of the main sleeve shell (5).

3. The intelligent rotatable clamp type welding robot of claim 1, wherein: the insides of the main casing (5) and the side casing (10) are communicated.

4. The intelligent rotatable clamp type welding robot of claim 1, wherein: the output end of the first servo motor (11) is connected with the top end of the second belt pulley (8).

5. The intelligent rotatable clamp type welding robot of claim 1, wherein: the middle positions of the front end and the rear end of the inside of the bottom fixing groove (4) are movably connected with longitudinal threaded rods (18), threads on the outer parts of the longitudinal threaded rods (18) are matched with threads on the inner parts of the supporting plates (3), and the supporting plates (3) can slide back and forth along the outer parts of the longitudinal sliding rods (17).

6. The intelligent rotatable clamp type welding robot of claim 1, wherein: the middle position of the rear end of the top of the bottom fixing groove (4) is provided with a second servo motor (19), a speed reducer (20) is arranged between the rear end of the second servo motor (19) and the rear end of the bottom fixing groove (4), and the longitudinal sliding rods (17) are symmetrically distributed about the vertical center line of the bottom fixing groove (4).

7. The intelligent rotatable clamp type welding robot of claim 1, wherein: the concave fixing frame (21) and the fixing plate (23) are made of the same material.

8. The intelligent rotatable clamp type welding robot of claim 1, wherein: the two sides of the front end of the concave fixing frame (21) are respectively welded with a fixing bolt rod (24), the outer part of the fixing bolt rod (24) is sleeved with a anticreep nut (25), the fixing bolt rod (24) penetrates through the inner part of the fixing plate (23) and extends to the outer part, and threads inside the anticreep nut (25) are matched with threads outside the fixing bolt rod (24).