Quick change device for external part of welding robot

Abstract

The utility model belongs to the technical field of quick change of external parts of robots, and particularly relates to a quick change device for external parts of a welding robot, which comprises a welding gun. A mounting seat is arranged on the welding gun, the upper connecting seat and the lower connecting seat are connected with the welding gun through fasteners, a main disc is arranged below the lower connecting seat, an auxiliary disc is detachably arranged on the main disc, a quick-change mechanism is arranged on the main disc and the auxiliary disc, a sensor support is detachably arranged below the auxiliary disc, and a sensor body is detachably arranged on the lower portion of the sensor support. A plurality of clamping steel balls are uniformly and circumferentially arranged on the clamping shell, an air cavity is formed in the main disc, a piston plate is arranged in the air cavity, a mounting column is arranged below the piston plate, a through groove is formed in the clamping shell, the mounting column is in sliding connection with the through groove, a pushing piece is arranged below the mounting column, and a clamping ring groove is formed in an inner ring of the auxiliary disc; the clamping ring groove is matched with the multiple clamping steel balls, and external parts of the welding robot can be quickly replaced conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the quick change technology field of robot external component, specifically a kind of quick change device of welding robot external component. BACKGROUND

[0002] Nowadays, welding robot is particularly important in the process of automatic production, and laser weld seam tracking sensor is an important external component of welding robot, which is analogous to the eyes of human body system.

[0003] The laser weld seam sensor is internally provided with a laser generator and a lens mechanism, the laser generator emits laser, which is reflected on the welding workpiece and then enters the lens, is received by the sensor, and after internal calculation, the position, size and shape of the weld are obtained and transmitted to the robot, so that automatic welding can be carried out.

[0004] In order to ensure the normal use of welding robot, the external component needs to be adjusted and maintained, but the external component of welding robot is not convenient for quick change, which affects the work efficiency of workers, therefore, a kind of quick change device of welding robot external component is proposed for the above problems. INVENTION CONTENTS

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art, the utility model provides a kind of quick change device of welding robot external component.

[0006] The technical scheme adopted by the utility model to solve its technical problems is: the utility model discloses a kind of quick change device of welding robot external component, including welding torch;The welding torch is provided with mounting seat, the mounting seat includes upper connecting seat and lower connecting seat, the upper connecting seat and lower connecting seat are connected with the welding torch by fastener, the lower connecting seat is provided with main disc below, the main disc is detachably provided with auxiliary disc, the main disc and the auxiliary disc are provided with quick change mechanism, the lower portion of the auxiliary disc is detachably provided with sensor support, the lower portion of the sensor support is detachably provided with sensor body.

[0007] Preferably, the quick change mechanism includes a clamping shell provided below the main disc, a plurality of clamping steel balls are uniformly arranged on the clamping shell, a gas cavity is formed in the middle of the main disc, a piston plate is arranged in the gas cavity, an installation column is arranged below the piston plate, a through slot is formed in the clamping shell, the installation column is slidably connected with the through slot, a pushing piece is arranged below the installation column, a clamping ring groove is arranged on the inner ring of the auxiliary disc, and the clamping ring groove is matched with the plurality of clamping steel balls.

[0008] Preferably, the main plate is provided with an upper air passage and a lower air passage, which are communicated with the air cavity, the upper air passage corresponds to the upper part of the piston plate, the lower air passage corresponds to the lower part of the piston plate, and the outer ends of the upper air passage and the lower air passage are provided with air joints.

[0009] Preferably, a plurality of clamping columns are uniformly arranged on the main plate, and a plurality of clamping grooves are uniformly arranged on the auxiliary plate, and the clamping columns correspond to the clamping grooves.

[0010] Preferably, the outer side of the piston plate and the inner side of the through groove are provided with a cushion layer.

[0011] Preferably, the sensor support is provided with a mounting hole and a sensor long waist hole, the mounting hole is matched with the auxiliary plate, and the sensor long waist hole is matched with the main plate.

[0012] The utility model discloses a beneficial effect:

[0013] The utility model provides a kind of quick-change device of welding robot external component, when user is replaced to welding robot external component, by the structural setting of quick-change mechanism, it is convenient to install the welding torch on welding robot and carry out fast external component.

[0014] The utility model provides a kind of quick-change device of welding robot external component, by the structural setting of sensor support, the auxiliary plate and sensor body of installation can be adjusted to multiple angles, sensor support can also be mutually combined with other support matched, realize the configuration of one-to-many, get rid of the plight of one-to-one in current market, special machine. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the present application, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation on the utility model.

[0016] In the drawings:

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the structure schematic view of mounting seat, main plate and auxiliary plate;

[0019] Figure 3 It is the sectional view of main plate and auxiliary plate;

[0020] Figure 4 It is the structure schematic view of sensor support;

[0021] Figure 5 It is the perspective view of main plate and auxiliary plate.

[0022] Legend:

[0023] 1, welding gun; 2, upper connecting seat; 3, lower connecting seat; 4, main disc; 5, auxiliary disc; 6, sensor support; 7, sensor body; 8, clamping shell; 9, clamping steel ball; 10, air cavity; 11, piston plate; 12, mounting column; 13, through slot; 14, pushing piece; 15, clamping ring groove; 16, upper air duct; 17, lower air duct; 18, air connector; 19, clamping column; 20, clamping groove; 21, cushion layer; 22, mounting hole; 23, sensor long waist hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Specific embodiments are given below.

[0026] Please refer to Figures 1-5 The present application provides a quick change device for external components of a welding robot, comprising a welding gun 1; the welding gun 1 is provided with a mounting seat, the mounting seat comprises an upper connecting seat 2 and a lower connecting seat 3, the upper connecting seat 2 and the lower connecting seat 3 are connected with the welding gun 1 through fasteners, the mounting seat is installed and treated with the welding gun 1, a main disc 4 is arranged below the lower connecting seat 3, the main disc 4 is detachably provided with an auxiliary disc 5, the main disc 4 and the auxiliary disc 5 are provided with a quick change mechanism, through the structural arrangement of the quick change mechanism, the welding gun 1 on the welding robot is quickly installed with external components, a sensor support 6 is detachably arranged below the auxiliary disc 5, the material of the sensor support 6 is stainless steel, the service life of the sensor support 6 is improved, and a sensor body 7 is detachably arranged at the lower part of the sensor support 6.

[0027] Further, as Figure 3 and Figure 5As shown, the quick change mechanism includes a clamping shell 8 arranged below the main disc 4, a plurality of clamping steel balls 9 are uniformly arranged on the clamping shell 8, a gas cavity 10 is arranged in the main disc 4, a piston plate 11 is arranged in the gas cavity 10, an installation column 12 is arranged below the piston plate 11, a through slot 13 is arranged on the clamping shell 8, the installation column 12 is in sliding connection with the through slot 13, a pushing piece 14 is arranged below the installation column 12, a clamping ring groove 15 is arranged on the inner ring of the auxiliary disc 5, the clamping ring groove 15 is matched with the plurality of clamping steel balls 9, through the structural arrangement of the quick change mechanism, it is convenient to quickly install the external component on the welding gun 1 of the welding robot, the surface of the clamping steel ball 9 is chrome plated, the wear resistance of the clamping steel ball 9 is improved, two pushing surfaces are arranged on the side surface of the pushing piece 14, and a clamping surface is arranged on the clamping ring groove 15, gas is conveyed in the upper air duct 16, the pressure of the upper part of the gas cavity 10 is increased, so that the piston plate 11 is pushed downward, at this time, the pushing piece 14 at the lower part of the installation column 12 moves downward, so that the plurality of clamping steel balls 9 on the clamping shell 8 are gradually pushed out, so that the clamping steel ball 9 is stably clamped on the pushing surface of the pushing piece 14, the main disc 4 and the auxiliary disc 5 are installed and handled, the external component on the welding gun 1 of the welding robot is quickly installed, when the main disc 4 and the auxiliary disc 5 are replaced, the gas supply in the upper air duct 16 is stopped, and the gas is supplied into the lower air duct 17, at this time, the pressure of the lower part of the gas cavity 10 is increased, so that the piston plate 11 is pushed upward, at this time, the pushing piece 14 is separated from the clamping steel ball 9, the main disc 4 is pulled up, and the clamping shell 8 is separated from the inner wall of the auxiliary disc 5.

[0028] Further, as shown in Figure 3 The main disc 4 is provided with an upper air duct 16 and a lower air duct 17, the upper air duct 16 and the lower air duct 17 are communicated with the gas cavity 10, the upper air duct 16 corresponds to the upper part of the piston plate 11, the lower air duct 17 corresponds to the lower part of the piston plate 11, and the outer ends of the upper air duct 16 and the lower air duct 17 are provided with air connectors 18, the air connectors 18 are externally connected with gas sources, and the driving of the quick change mechanism is realized.

[0029] Further, as shown in Figure 5 A plurality of clamping columns 19 are uniformly arranged on the main disc 4, a plurality of clamping grooves 20 are uniformly arranged on the auxiliary disc 5, the corresponding clamping columns 19 are matched with the clamping grooves 20, and the stability of the connection between the main disc 4 and the auxiliary disc 5 is improved.

[0030] Further, as shown in Figure 3 The outer side of the piston plate 11 and the inner side of the through slot 13 are provided with a cushion layer 21, the sealing performance of the piston plate 11 and the inner wall of the gas cavity 10 is improved, and the sealing performance of the through slot 13 and the installation column 12 is improved.

[0031] Further, as shown in Figure 2 And Figure 4As shown, the sensor support 6 is provided with a mounting hole 22 and a sensor long waist hole 23, the mounting hole 22 is matched with the secondary disc 5, the sensor long waist hole 23 is matched with the primary disc 4, the mounting hole 22 is provided with a main hole and eight auxiliary holes, so that the installed secondary disc 5 can be adjusted at multiple angles, and the sensor long waist hole 23 can adjust the installed sensor body 7 at multiple angles.

[0032] Working principle: when the user replaces the external components of the welding robot, the quick-change mechanism is provided with a structure, which facilitates the quick installation of the external components on the welding gun 1 of the welding robot.

[0033] The gas joint 18 of the upper air duct 16 and the lower air duct 17 is externally connected to a gas source, a plurality of clamping columns 19 on the primary disc 4 are clamped with a plurality of clamping grooves 20 on the secondary disc 5, at this time, the clamping shell 8 is clamped on the inner wall of the secondary disc 5, two push surfaces are arranged on the side of the push piece 14, and a clamping surface is arranged on the clamping ring groove 15, gas is transported in the upper air duct 16, and the transportation of gas in the upper air duct 16 is stopped, the pressure of the upper part of the air cavity 10 is increased, so that the piston plate 11 is pushed downward, at this time, the push piece 14 at the lower part of the mounting column 12 moves downward, so that the plurality of clamping steel balls 9 on the clamping shell 8 are gradually pushed outward and clamped on the push surface on the push piece 14, the primary disc 4 and the secondary disc 5 are installed and processed, and the quick installation of the external components on the welding gun 1 of the welding robot is realized, when the primary disc 4 and the secondary disc 5 are replaced, the gas transportation in the upper air duct 16 is stopped, and the gas is transported into the lower air duct 17, at this time, the pressure of the lower part of the air cavity 10 is increased, so that the piston plate 11 is pushed upward, at this time, the push piece 14 is separated from the clamping steel ball 9, the primary disc 4 is pulled, and the clamping shell 8 is separated from the inner wall of the secondary disc 5.

[0034] Through the structure of the sensor support 6, the installed secondary disc 5 and the sensor body 7 can be adjusted at multiple angles, and the sensor support 6 can be combined with other supports matched therewith to realize one-to-many configuration, and get rid of the current one-to-one and special-purpose dilemma on the market.

[0035] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A quick-change device for external components of a welding robot, comprising a welding torch (1); characterized in that: The welding torch (1) is provided with a mounting base, which includes an upper connecting base (2) and a lower connecting base (3). The upper connecting base (2) and the lower connecting base (3) are connected to the welding torch (1) by fasteners. A main plate (4) is provided below the lower connecting base (3). A secondary plate (5) is detachably provided on the main plate (4). A quick-change mechanism is provided on the main plate (4) and the secondary plate (5). A sensor bracket (6) is detachably provided below the secondary plate (5). A sensor body (7) is detachably provided at the lower part of the sensor bracket (6).

2. The quick-change device for an external component of a welding robot according to claim 1, characterized in that: The quick-change mechanism includes a snap-fit ​​shell (8) disposed below the main plate (4), with a plurality of snap-fit ​​steel balls (9) evenly distributed around the snap-fit ​​shell (8), an air cavity (10) opened in the center of the main plate (4), a piston plate (11) disposed in the air cavity (10), an mounting post (12) disposed below the piston plate (11), a through groove (13) opened on the snap-fit ​​shell (8), the mounting post (12) slidably connected to the through groove (13), a pusher (14) disposed below the mounting post (12), and a snap-fit ​​ring groove (15) disposed on the inner ring of the sub-plate (5), the snap-fit ​​ring groove (15) being adapted to the plurality of snap-fit ​​steel balls (9).

3. The quick-change device for an external component of a welding robot according to claim 2, characterized in that: The main plate (4) is provided with an upper air passage (16) and a lower air passage (17). The upper air passage (16) and the lower air passage (17) are connected to the air chamber (10). The upper air passage (16) corresponds to the upper part of the piston plate (11), and the lower air passage (17) corresponds to the lower part of the piston plate (11). The outer ends of the upper air passage (16) and the lower air passage (17) are provided with air connectors (18).

4. The quick-change device for an external component of a welding robot according to claim 1, characterized in that: The main disk (4) is provided with a plurality of locking posts (19) evenly distributed, and the secondary disk (5) is provided with a plurality of locking slots (20) evenly distributed, with the corresponding locking posts (19) and locking slots (20) being adapted to each other.

5. A quick-change device for an external component of a welding robot according to claim 3, characterized in that: A pad (21) is provided on the outer side of the piston plate (11) and the inner side of the through groove (13).

6. The quick-change device for an external component of a welding robot according to claim 1, characterized in that: The sensor bracket (6) is provided with a mounting hole (22) and a sensor elongated hole (23). The mounting hole (22) is adapted to the sub-disk (5), and the sensor elongated hole (23) is adapted to the main disk (4).

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