CN213289002U

CN213289002U - Welding gun swing mechanism for welding mechanical arm

Info

Publication number: CN213289002U
Application number: CN202021590021.0U
Authority: CN
Inventors: 龙四海; 王炜; 王天光
Original assignee: Hubei Daji Heavy Steel Co ltd
Current assignee: Hubei Daji Heavy Steel Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-05-28
Anticipated expiration: 2030-08-04

Abstract

The utility model provides a welder swing mechanism of welding arm, including shell, support and welder, the inside cylindrical inner chamber that is equipped with of shell, welder runs through the inner chamber, welder is located the partial surface of inner chamber is equipped with the ring gear, the inner chamber bottom is equipped with the breach, support upper portion is equipped with sector gear, the support middle part sets up the pivot, the pivot with the shell rotates the connection, sector gear stretches into the breach and with the ring gear meshing. The utility model has the advantages that: the control shell rotates around the rotating shaft to enable the welding gun to swing up and down, the support is controlled to rotate around the rotating shaft, the sector gear and the gear ring are in transmission, the welding gun is made to move back and forth, and therefore the welding gun can reach a preset position in a narrow space.

Description

Welding gun swing mechanism for welding mechanical arm

Technical Field

The utility model relates to a welding robot technical field especially relates to a welder swing mechanism of welding arm.

Background

The adoption of the robot to replace manual welding operation is the development trend of the welding manufacturing industry, and is an important means for improving the welding quality, reducing the cost and improving the working environment. Robot welding has been accepted by many factories in China as an important sign of modern manufacturing technology development, and more enterprises prefer welding robots as a technical transformation solution. The existing welding robot generally drives a welding gun to move through a multi-axis articulated mechanical arm, and the position, the posture and the motion trail required by the welding gun at the tail end of the mechanical arm are ensured. However, the multi-axis articulated mechanical arm is large in size and complex in structure, and when the multi-axis articulated mechanical arm is used for welding in a narrow space, the mechanical arm can impact on a workpiece to be welded in the moving process, so that the workpiece and equipment are damaged, the operation space is limited, and the welding quality is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides a welding gun swing mechanism of a welding robot.

An embodiment of the utility model provides a welder swing mechanism of welding arm, including shell, support and welder, the inside cylindrical inner chamber that is equipped with of shell, welder runs through the inner chamber, welder is located the partial surface of inner chamber is equipped with the ring gear, the inner chamber bottom is equipped with the breach, support upper portion is equipped with sector gear, the support middle part sets up the pivot, the pivot with the shell rotates the connection, sector gear stretches into the breach and with the ring gear meshing.

Furthermore, two ends of the inner cavity are respectively provided with a fixed shaft sleeve, and the welding gun penetrates through the two fixed shaft sleeves.

Furthermore, both ends of the gear ring are respectively provided with a limiting ring, and the limiting rings are supported on the inner wall of the inner cavity.

Further, the below of shell is equipped with the gear mounting groove, the gear mounting groove is located the breach below, sector gear set up in the gear mounting groove.

Furthermore, the middle part of the rotating shaft penetrates through the support and is in rotating connection, and two ends of the rotating shaft respectively penetrate through two side walls of the gear mounting groove and are in rotating connection.

Further, the support is of a T-shaped structure, the sector gear is arranged at the upward end of the support, and fixing holes are formed in the other two opposite ends of the support.

Further, the support is connected with an arm of the welding robot, the middle of the welding gun is arranged in the inner cavity, a nozzle is arranged at the front end of the welding gun, a welding wire is arranged in the nozzle, and the rear end of the welding gun is connected with an air inlet pipe.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the utility model discloses a welder swing mechanism of welding arm is applicable to automatic weld in narrow and small space, and control housing revolutes the rotation of axes and can makes the welder luffing motion, and the control support revolutes the rotation of axes, and sector gear and ring gear transmission make welder seesaw to make welder arrive in narrow and small space and predetermine the position, the motion is simple, guarantees that welder accuracy reachs fast and treats the welding position, improves welding quality and welding efficiency, avoids arm and work piece collision, safe and reliable.

Drawings

Fig. 1 is an overall schematic view of a welding gun swing mechanism of a welding robot of the present invention;

fig. 2 is the internal structure schematic diagram of the welding gun swinging mechanism of the welding mechanical arm of the present invention.

In the figure: 1-shell, 2-support, 3-welding gun, 4-inner cavity, 5-gear ring, 6-sector gear, 7-rotating shaft, 8-fixed shaft sleeve, 9-limit ring, 10-gear mounting groove, 11-spray head, 12-welding wire and 13-air inlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present invention provides a welding gun swinging mechanism for a welding robot arm, including a housing 1, a support 2, and a welding gun 3.

Referring to fig. 2, specifically, the housing 1 is a hollow structure, and a cylindrical inner cavity 4 is disposed inside the housing, the front end and the rear end of the inner cavity 4 are open, and a gap is disposed at the bottom of the inner cavity. The middle part of the welding gun 3 penetrates through the front end and the rear end of the inner cavity 4, and the welding gun 3 is restrained by the inner cavity 4 and can only move axially.

3 middle parts of welder are cylindric, welder 3 is located the partial surface in inner chamber 4 is equipped with ring gear 5, ring gear 5 includes a plurality of rings shape teeth of a cogwheel that encircle 3 outer walls of welder set up, these rings shape teeth of a cogwheel are along 3 axial evenly distributed of welder. The outer diameter of the ring gear teeth should be smaller than the inner diameter of the inner cavity 4 so that they can move with the inner cavity 4.

Here, two ends of the inner cavity 4 are respectively provided with a fixed shaft sleeve 8, the welding gun 3 penetrates through the two fixed shaft sleeves 8, the welding gun 3 can rotate in an inner hole of the fixed shaft sleeve 8, and the fixed shaft sleeve 8 is used for sealing and fixing the welding gun 3. The both ends of gear ring 5 still are equipped with spacing ring 9 respectively, spacing ring 9 support in the inner wall of inner chamber 4, spacing ring 9 is used for the restriction welder 3's displacement.

Support 2 set up in 4 below in the inner chamber, 2 upper portions of support are equipped with

sector gear

6, 6 upper portion edges of sector gear are equipped with a plurality of teeth of a cogwheel, 2 middle parts of support are equipped with pivot 7, pivot 7 with shell 1 rotates and connects, 6 upper portions of sector gear stretch into the breach, the teeth of a cogwheel of sector gear 6 with the annular teeth of a cogwheel of ring gear 5 meshes mutually, forms the transmission relation.

Support 2 specifically is T shape structure, sector gear 6 set up in support 2 is served to one side, the below of shell 1 is equipped with gear mounting groove 10, gear mounting groove 10 is located the breach below, sector gear 6 set up in gear mounting groove 10, pivot 7 middle part is run through support 2 and swivelling joint, the both ends of pivot 7 run through respectively gear mounting groove 10's both sides wall and swivelling joint.

The other two opposite ends of the support 2 are provided with fixing holes 10, and screws are arranged at the fixing holes 10 and connected with mechanical arms of the welding robot through the screws. Further, the welding torch 3 may be variously selected, and is not particularly limited thereto. In this embodiment, the welding gun 3 is an argon arc welding gun, the front end of the welding gun 3 is provided with a nozzle 11, a welding wire is arranged in the nozzle 11, and the rear end of the welding gun 3 is connected with an air inlet pipe 13.

The utility model discloses a welder swing mechanism of welding arm is applicable to automatic weld in narrow and small space, shell 1 can wind pivot 7 rotates and to make 3 luffing motion of welder, support 2 can wind pivot 7 rotates, sector gear 6 on the support 2 with the 5 transmissions of ring gear on 3 surfaces of welder make 3 seesaw of welder, thereby make welder 3 reachs in narrow and small space and predetermines the position, and the motion is simple, guarantees that welder 3 accurately reachs fast and treats welding position, improves welding quality and welding efficiency, avoids arm and work piece collision, safe and reliable.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a welder swing mechanism of welding arm which characterized in that: including shell, support and welder, the inside cylindrical inner chamber that is equipped with of shell, welder runs through the inner chamber, welder is located the part surface of inner chamber is equipped with the ring gear, the inner chamber bottom is equipped with the breach, support upper portion is equipped with sector gear, the support middle part sets up the pivot, the pivot with the shell rotates and is connected, sector gear stretches into the breach and with the ring gear meshing.

2. A welding gun oscillating mechanism of a welding robot as claimed in claim 1, wherein: and two ends of the inner cavity are respectively provided with a fixed shaft sleeve, and the welding gun penetrates through the two fixed shaft sleeves.

3. A welding gun oscillating mechanism of a welding robot as claimed in claim 1, wherein: and two ends of the gear ring are respectively provided with a limiting ring, and the limiting rings are supported on the inner wall of the inner cavity.

4. A welding gun oscillating mechanism of a welding robot as claimed in claim 1, wherein: the below of shell is equipped with the gear mounting groove, the gear mounting groove is located the breach below, sector gear set up in the gear mounting groove.

5. A torch swinging mechanism of a welding robot as claimed in claim 4, wherein: the middle part of the rotating shaft penetrates through the support and is in rotating connection, and two ends of the rotating shaft respectively penetrate through two side walls of the gear mounting groove and are in rotating connection.

6. A welding gun oscillating mechanism of a welding robot as claimed in claim 1, wherein: the support is T-shaped structure, the sector gear is arranged on the upward end of the support, and fixing holes are formed in the other two opposite ends of the support.

7. A welding gun oscillating mechanism of a welding robot as claimed in claim 1, wherein: the support is connected with the mechanical arm of the welding robot, the middle of the welding gun is arranged in the inner cavity, the front end of the welding gun is provided with a nozzle, a welding wire is arranged in the nozzle, and the rear end of the welding gun is connected with an air inlet pipe.