Welding gun replacing mechanism for welding robot

Abstract

The utility model discloses a welding gun replacing mechanism for a welding robot, which comprises a robot body, one side of the robot body is fixedly connected with a fixed sleeve, the outer side of the fixed sleeve is sleeved and fixed with a pressure spring, a sliding sleeve is pulled to drive the pressure spring to extrude, an insertion pipe is pulled to drive a limiting ball to extrude, and the welding gun replacing mechanism is used for replacing the welding gun. During installation, the sliding sleeve is pulled, the sliding sleeve drives the compression spring to extrude and then is inserted into the insertion pipe, the insertion pipe pushes the limiting ball to move in the through hole, the limiting ball is connected with the insertion pipe in a clamped mode, and then the limiting ball is separated from the insertion pipe and then moves towards one side to enable the insertion pipe to be separated from the fixed sleeve. The first communicating pipe and the second communicating pipe can be communicated, the second communicating pipe drives the spring to extrude, the second base is pushed reversely through the spring, and the second base can drive the inserting pipe to be clamped with the limiting ball to be fixed, so that the purposes that the robot and the welding gun can be quickly connected in an inserting and pulling mode, and the replacement efficiency is improved can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welding robot technical field, especially, relate to a welding robot welding torch replacement mechanism. BACKGROUND

[0002] Welding robot is the industrial robot that is engaged in welding (including cutting and spraying), it plays an important role in many fields such as industrial production, has many advantages, and welding robot welding torch is the key component of welding robot.

[0003] The existing welding robot welding torch is mostly flange connection, is fixed through bolt nut, and the replacement process is slow and inconvenient, so that the replacement efficiency is reduced, thereby leading to the increase of the downtime of robot, and therefore a welding robot welding torch replacement mechanism is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a welding robot welding torch replacement mechanism, which can quickly connect and disconnect between the robot and the welding torch, thereby improving the replacement efficiency, to solve the above background technical problems.

[0005] The technical scheme for solving the above technical problems is as follows: a welding robot welding torch replacement mechanism, which comprises a support frame robot body, one side of the robot body is fixedly connected with a fixed sleeve, a compression spring is fixedly connected with the outer side of the fixed sleeve, one side of the compression spring is fixedly connected with a sliding sleeve, the sliding sleeve is slidably connected with the fixed sleeve, one side of the fixed sleeve is provided with a through hole, a limiting ball is arranged in the inner cavity of the through hole, a first base is arranged in the inner cavity of the fixed sleeve, the first base is in communication with the robot body, one side of the first base is fixedly connected with a first communication pipe, one side of the first communication pipe is communicated with a second communication pipe, one side of the second communication pipe is fixedly connected with a spring, one side of the spring is fixedly connected with a second base, an insertion pipe is arranged on the outer side of the second base, the insertion pipe is slidably connected with the second communication pipe, the insertion pipe is inserted with the fixed sleeve, and one side of the insertion pipe is communicated with a welding torch pipe.

[0006] Preferably, the outer side of the second base is fixedly connected with a sealing ring, and the sealing ring is a rubber pad.

[0007] Preferably, a groove is arranged in the inner cavity of the insertion pipe and corresponds to the sealing ring, and the groove is tightly attached to the sealing ring.

[0008] Preferably, a limiting groove is arranged on the outer side of the insertion pipe and corresponds to the limiting ball, and the limiting groove is matched with the limiting ball.

[0009] Preferably, the outer side of the sliding sleeve is fixedly connected with an antiskid pad, and the antiskid pad is a rubber pad.

[0010] Preferably, the through hole and the limiting ball are in sliding connection, and are uniformly arranged in the inner cavity of the fixed sleeve.

[0011] The utility model discloses the beneficial effect is:

[0012] 1, the utility model discloses a sliding sleeve is pulled, and the sliding sleeve drives compression spring to extrude, and then pull the cannula, and the cannula drives the limiting ball to extrude, makes the limiting ball move to the outside through the through -hole, thereby make the limiting ball separate from the cannula, and then move to one side, make the cannula with fixed sleeve separate, when installing, pull the sliding sleeve again, and the sliding sleeve drives compression spring extrusion, and then insert the cannula, and the cannula pushes the limiting ball and moves in the inside of the through -hole, makes the limiting ball with the cannula joint, can make first communication pipe and second communication pipe intercommunication, and the second communication pipe drives spring to extrude, and the spring is pushed reversely second base, and the second base can drive the cannula with the limiting ball joint, and fix, can reach the purpose that the robot with the welding torch can be quickly inserted and pulled connection between, thereby improve the efficiency of replacement,

[0013] 2, the utility model discloses through being arranged the through -hole and the limiting ball, can play the role of limiting, and it is convenient to limit the cannula,

[0014] 3, the utility model discloses through being arranged the limiting groove, it is convenient to cooperate the limiting ball and limit fixed, and thereby through the limiting groove and the limiting ball can the cannula be quickly disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0015] Among them:

[0016] Figure 1 It is the perspective drawing of one embodiment of the utility model;

[0017] Figure 2 It is the fixed sleeve and the sliding sleeve perspective drawing of one embodiment of the utility model;

[0018] Figure 3 It is the section view of sealing ring and limiting groove of one embodiment of the utility model;

[0019] Figure 4 It is the front view of compression spring and limiting ball of one embodiment of the utility model.

[0020] In the drawings, the component list represented by each sign is as follows:

[0021] 1, the robot body, 2, fixed sleeve, 3, compression spring, 4, sliding sleeve, 5, through -hole, 6, limiting ball, 7, first base, 8, first communication pipe, 9, second communication pipe, 10, spring, 11, second base, 12, sealing ring, 13, cannula, 14, welding torch pipe, 15, limiting groove. DETAILED DESCRIPTION

[0022] Hereinafter, an embodiment of the welding robot welding gun changing mechanism of the utility model will be described with reference to the drawings.

[0023] Embodiment one:

[0024] Figures 1-4 The welding robot welding gun changing mechanism of an embodiment of the utility model is shown, which comprises a robot body 1, a fixed sleeve 2 is fixedly connected to one side of the robot body 1, a compression spring 3 is fixedly connected to one side of the fixed sleeve 2, a sliding sleeve 4 is fixedly connected to one side of the compression spring 3, the sliding sleeve 4 is slidingly connected to the fixed sleeve 2, a through hole 5 is formed in one side of the fixed sleeve 2, a limiting ball 6 is arranged in the inner cavity of the through hole 5, the through hole 5 and the limiting ball 6 are slidingly connected and are evenly arranged in the inner cavity of the fixed sleeve 2, a first base 7 is arranged in the inner cavity of the fixed sleeve 2, the first base 7 is in communication with the robot body 1, a first communication pipe 8 is fixedly connected to one side of the first base 7, a second communication pipe 9 is in communication with one side of the first communication pipe 8, a spring 10 is fixedly connected to one side of the second communication pipe 9, a second base 11 is fixedly connected to one side of the spring 10, a plug pipe 13 is arranged on the outer side of the second base 11, a limiting groove 15 is formed in the outer side of the plug pipe 13 and corresponds to the position of the limiting ball 6, the limiting groove 15 is matched with the limiting ball 6, the plug pipe 13 is slidingly connected with the second communication pipe 9, the plug pipe 13 is inserted into the fixed sleeve 2, the welding gun pipe 14 is in communication with one side of the plug pipe 13, by pulling the sliding sleeve 4, the sliding sleeve 4 drives the compression spring 3 to be extruded, then the plug pipe 13 is pulled, the plug pipe 13 drives the limiting ball 6 to be extruded, the limiting ball 6 moves outward through the through hole 5, so that the limiting ball 6 is separated from the plug pipe 13, then moves to one side, so that the plug pipe 13 is separated from the fixed sleeve 2, when installing, the sliding sleeve 4 is pulled again, the sliding sleeve 4 drives the compression spring 3 to be extruded, then the plug pipe 13 is inserted, the plug pipe 13 drives the limiting ball 6 to move in the inner cavity of the through hole 5, so that the limiting ball 6 is clamped with the plug pipe 13, the first communication pipe 8 and the second communication pipe 9 are in communication, the spring 10 is extruded by the second communication pipe 9, the second base 11 is reversely pushed by the spring 10, the plug pipe 13 is clamped with the limiting ball 6 by the second base 11, and is fixed, so that the robot and the welding gun can be quickly and pluggably connected, so that the changing efficiency is improved.

[0025] Embodiment two:

[0026] Figures 1-4The welding robot welding gun replacing mechanism shown in an embodiment of the utility model, it includes robot body 1, one side of robot body 1 is fixedly connected with fixed sleeve 2, the outside of fixed sleeve 2 is fixed with compression spring 3, one side of compression spring 3 is fixedly connected with sliding sleeve 4, the outside of sliding sleeve 4 is fixedly connected with antiskid pad, and the antiskid pad is rubber pad, one side of fixed sleeve 2 is provided with through hole 5, the inner chamber of through hole 5 is provided with limit ball 6, sliding sleeve 4 is connected with fixed sleeve 2 slidingly, the inner chamber of fixed sleeve 2 is provided with first base 7, first base 7 is communicated with robot body 1, one side of first base 7 is fixedly connected with first communication pipe 8, one side of first communication pipe 8 is communicated with second communication pipe 9, one side of second communication pipe 9 is fixedly connected with spring 10, one side of spring 10 is fixedly connected with second base 11, the outside of second base 11 is fixedly connected with sealing ring 12, and sealing ring 12 is rubber pad, the outside of second base 11 is provided with insertion tube 13, the inner chamber of insertion tube 13 and the position corresponding with sealing ring 12 are provided with recess, and recess is closely combined with sealing ring 12, insertion tube 13 is connected with second communication pipe 9 slidingly, insertion tube 13 is inserted with fixed sleeve 2, and one side of insertion tube 13 is communicated with welding gun pipe 14.

[0027] Working principle: when the utility model is used, the user pulls sliding sleeve 4, and sliding sleeve 4 drives compression spring 3 to extrude, then pulls insertion tube 13, and insertion tube 13 drives the extrusion of outside limit ball 6 through limit slot 15, makes limit ball 6 move to the outside through through hole 5, so that limit ball 6 is separated from insertion tube 13, then moves to one side, makes insertion tube 13 separate from fixed sleeve 2, when installing, pulls sliding sleeve 4 again, and sliding sleeve 4 drives the extrusion of compression spring 3, then inserts insertion tube 13, and insertion tube 13 moves limit ball 6 in the inside of through hole 5 through limit slot 15, makes limit ball 6 and limit slot 15 clasp, and then the insertion tube 13 is fixed, then through first communication pipe 8 and second communication pipe 9 are communicated, and second communication pipe 9 drives the extrusion of spring 10, and second base 11 is pushed reversely through spring 10, and insertion tube 13 and limit ball 6 are clamped through second base 11, then sliding sleeve 4 is loosened, and sliding sleeve 4 is rebounded through compression spring 3, and limit ball 6 is extruded through sliding sleeve 4, and then fixed sleeve 2 and insertion tube 13 are fixed, can reach the purpose that the robot and the welding gun can be quickly inserted and pulled connection, so that the replacement efficiency is improved.

Claims

1. A welding robot with a welding gun changing mechanism, characterized by, The utility model relates to a robot body (1) is connected with fixed sleeve (2) on one side, the outer side of fixed sleeve (2) is equipped with compression spring (3), one side of compression spring (3) is connected with sliding sleeve (4), sliding sleeve (4) is connected with fixed sleeve (2) slidingly, one side of fixed sleeve (2) is equipped with through -hole (5), the inner chamber of through -hole (5) is provided with limiting ball (6), the inner chamber of fixed sleeve (2) is provided with first base (7), first base (7) is communicated with robot body (1), one side of first base (7) is connected with first communication pipe (8), one side of first communication pipe (8) is communicated with second communication pipe (9), one side of second communication pipe (9) is connected with spring (10), one side of spring (10) is connected with second base (11), the outer side of second base (11) is equipped with cannula (13), cannula (13) is connected with second communication pipe (9) slidingly, cannula (13) is inserted with fixed sleeve (2), one side of cannula (13) is communicated with welding torch pipe (14).

2. The welding robot gun changer according to claim 1, characterized in that, The outer side of the second base (11) is fixedly connected with a sealing ring (12), and the sealing ring (12) is a rubber pad.

3. The welding robot gun changer according to claim 1, characterized in that, The inner cavity of the cannula (13) and the position corresponding to the sealing ring (12) are provided with a groove, and the groove is tightly combined with the sealing ring (12).

4. The welding robot gun changer according to claim 1, characterized in that, The outer side of the cannula (13) and the position corresponding to the limiting ball (6) are provided with a limiting groove (15), and the limiting groove (15) is matched with the limiting ball (6).

5. The welding robot gun changer according to claim 1, wherein The outer side of the sliding sleeve (4) is fixedly connected with a non-slip pad, and the non-slip pad is a rubber pad.

6. The welding robot gun changer according to claim 1, wherein The through hole (5) and the limiting ball (6) are slidingly connected and uniformly arranged in the inner cavity of the fixed sleeve (2).

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