CN112372125A

CN112372125A - Automatic welding auxiliary device based on contravariant electric welding is used

Info

Publication number: CN112372125A
Application number: CN202011219822.0A
Authority: CN
Inventors: 邵明建
Original assignee: Anhui Longtai Electrical Technology Co ltd
Current assignee: Anhui Longtai Electrical Technology Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-02-19

Abstract

The invention discloses an automatic welding auxiliary device based on inversion electric welding, which relates to the field of machining and aims at solving the problems that manual welding is time-consuming and labor-consuming, machining efficiency is low, welding seams are uneven, and a welded finished product has potential quality hazards in the existing inversion electric welding process. The invention can greatly improve the work efficiency of the inverter electric welding, saves time and labor and simultaneously improves the quality of a welding finished product.

Description

Automatic welding auxiliary device based on contravariant electric welding is used

Technical Field

The invention relates to the field of machining, in particular to an automatic welding auxiliary device based on inversion electric welding.

Background

An inverter type arc welding power supply, also known as an arc welding inverter, is a novel welding power supply. The power supply generally converts three-phase power frequency (50 Hz) AC network voltage into DC through rectification and filtering by an input rectifier, inverts the DC into intermediate frequency AC voltage of several kHz to dozens of kHz through the alternate switching action of a high-power switch electronic element, reduces the voltage to dozens of V voltage suitable for welding through a transformer, and then rectifies the DC again and outputs stable DC welding current through reactance filtering.

In the existing welding process, most of welding work is performed by a welder manually operating a welding gun. In the manual welding process, the worker needs to constantly keep the control of the butt welding gun, the time and the labor are wasted, the machining efficiency is lower, the welding seam is uneven, the quality hidden danger problem exists in the welded finished product, and the production and the machining are not facilitated. Therefore, an automatic welding auxiliary device based on inversion electric welding is provided.

Disclosure of Invention

The invention provides an automatic welding auxiliary device based on inverter electric welding, which solves the problems that manual welding of workers at present wastes time and labor, the processing efficiency is low, a welding seam is uneven, and a welded finished product has potential quality hazards.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic welding auxiliary device based on inversion electric welding comprises a fixed base, wherein a first driving motor is installed on the fixed base through bolts, an output shaft of the first driving motor is connected with a first gear, a first movable pedestal is slidably arranged at the top of the fixed base, a first rack is fixedly connected to the bottom of the first movable pedestal and is in meshed transmission with the first gear, a second movable pedestal is slidably arranged on the first movable pedestal, a rotating pedestal is movably sleeved in the second movable pedestal, a gear ring is fixedly connected to the bottom of the rotating pedestal, a connecting plate is fixedly connected to the bottom of the rotating pedestal, two push rod motors are fixedly connected to the inner wall of the bottom of the connecting plate, a double-shaft motor is fixedly connected to the output shaft of the push rod motors, and a second gear is fixedly sleeved on the output shaft at the top of the double-shaft motor, and the ring gear meshes with the second gear for transmission, the bottom output shaft of the double-shaft motor is fixedly connected with a transmission shaft, the bottom output shaft of the transmission shaft is fixedly sleeved with a third gear, a cantilever is installed on one side of the fixed base, and a welding gun is installed on the top end of the cantilever.

Preferably, two first chutes are formed in the top of the first movable pedestal, a first sliding block is arranged in the first chute in a sliding mode, a connecting rod is fixedly connected to the top of the first sliding block and located on the left side of a right side fixedly connected with second rack of the first sliding block, and a third gear is in meshing transmission with the second rack.

Preferably, the vertical section of the rotating pedestal is of a convex structure, the cross section of the rotating pedestal is of a circular structure, a movable groove is formed in the second movable pedestal, and the movable sleeve of the rotating pedestal is arranged in the movable groove.

Preferably, a groove is formed in the left side of the top of the first movable pedestal, and the third gear extends into the groove.

Preferably, a second sliding groove is formed in the top of the rotating pedestal, and two workpiece fixing clamps are connected to the inside of the second sliding groove in a sliding mode.

Preferably, two third chutes are formed in the top of the fixing base, a first sliding block is connected to the inside of each third chute in a sliding manner, and the top of the first sliding block is fixedly connected with the first movable pedestal.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the welding gun is fixed at one point by installing the cantilever without being manually held by a person, the rotating pedestal can weld a round workpiece by rotating to form a uniform round welding seam, the first movable pedestal can move transversely, the second movable pedestal can move longitudinally, the welding point position is changed, and meanwhile, a uniform linear welding seam can be formed, so that the welding speed and the quality of a welded finished product can be improved, and the time and the efficiency are saved.

Drawings

Fig. 1 is a schematic front view of an automatic welding auxiliary device for inverter welding according to the present invention;

fig. 2 is a schematic side view of an automatic welding auxiliary device for inverter welding according to the present invention.

Fig. 3 is a schematic top view of an automatic welding auxiliary device for inverter welding according to the present invention.

In the figure: the welding machine comprises a fixed base 1, a first gear 2, a first rack 3, a sliding rail 4, a first movable pedestal 5, a first sliding chute 6, a connecting rod 7, a connecting plate 8, a second movable pedestal 9, a movable chute 10, a workpiece fixing clamp 11, a rotary pedestal 12, a toothed ring 13, a second gear 14, a double-shaft motor 15, a push rod motor 16, a transmission shaft 17, a third gear 18, a second rack 19, a welding gun 20, a cantilever 21, a first driving motor 22, a first sliding block 23, a second sliding block 24, a second sliding chute 25 and a third sliding chute 26.

Detailed Description

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

Referring to fig. 1-3, an automatic welding auxiliary device based on inverter electric welding comprises a fixed base 1, a first driving motor 22 is installed on the fixed base 1 through bolts, an output shaft of the first driving motor 22 is connected with a first gear 2, a first movable pedestal 5 is slidably arranged on the top of the fixed base 1, a first rack 3 is fixedly connected to the bottom of the first movable pedestal 5, the first rack 3 is in meshing transmission with the first gear 2, a second movable pedestal 9 is slidably arranged on the first movable pedestal 5, a rotating pedestal 12 is movably sleeved in the second movable pedestal 9, a toothed ring 13 is fixedly connected to the bottom of the rotating pedestal 12, a connecting plate 8 is fixedly connected to the bottom of the rotating pedestal 12, two push rod motors 16 are fixedly connected to the inner wall of the bottom of the connecting plate 8, a double-shaft motor 15 is fixedly connected to an output shaft of the push rod motor 16, a second gear 14 is fixedly sleeved on the output shaft of the double-shaft, and the gear ring 13 is in meshed transmission with the second gear 14, a transmission shaft 17 is fixedly connected with an output shaft at the bottom end of the double-shaft motor 15, a third gear 18 is fixedly sleeved on the output shaft at the bottom end of the transmission shaft 17, a cantilever 21 is installed on one side of the fixed base 1, and a welding gun 20 is installed at the top end of the cantilever 21.

In this embodiment, two first chutes 6 are opened at the top of the first movable pedestal 5, the second sliding block 24 is slidably installed inside the first chute 6, the connecting rod 7 is fixedly connected to the top of the second sliding block 24, the second rack 19 is fixedly connected to the right side of the second sliding block 24 on the left side, and the third gear 18 is in meshing transmission with the second rack 19.

In this embodiment, the vertical section of the rotating pedestal 12 is a convex structure, the cross section of the rotating pedestal 12 is a circular structure, the movable groove 10 is formed in the second movable pedestal 9, and the movable sleeve of the rotating pedestal 12 is arranged in the movable groove 10.

In this embodiment, a groove is formed on the left side of the top of the first movable pedestal 5, and the third gear 18 extends into the groove.

In this embodiment, the second sliding groove 25 is formed in the top of the rotating pedestal 12, and two workpiece fixing clamps 11 are slidably connected to the inside of the second sliding groove 25.

In this embodiment, two third sliding grooves 26 are formed in the top of the fixing base 1, the first sliding block 23 is slidably connected to the inside of the third sliding grooves 26, and the top of the first sliding block 23 is fixedly connected to the first movable pedestal 5.

The working principle is that firstly, a workpiece to be welded is fixed on the rotating pedestal 12 through the workpiece fixing clamp 11, when a round workpiece needs to be welded, the welding gun 20 is close to the workpiece, then the double-shaft motor 15 is started to drive the rotating pedestal to rotate at a constant speed, and the welding gun is started to weld uniform round welding seams. When a workpiece with a longitudinal welding seam is welded, the workpiece to be welded is fixed on the rotating pedestal 12 through the workpiece fixing clamp 11, the push rod motor 16 is started, the double-shaft motor 15 moves downwards at the moment, the second gear 14 is disengaged from the toothed ring 13, the third gear is meshed with the second rack 19 at the moment and drives the welding gun 20 to approach the workpiece, the welding gun is started, the double-shaft motor 15 rotates forwards, the second movable pedestal 9 moves forwards along the direction of the first sliding groove 6, the positioned workpiece is driven to move forwards along the direction of the first sliding groove 6, a forward linear welding seam is welded, the double-shaft motor 15 rotates reversely, the second movable pedestal 9 moves backwards along the direction of the first sliding groove 6, the positioned workpiece is driven to move backwards along the direction of the first sliding groove 6, a backward linear welding seam is welded, and accordingly, the uniform longitudinal welding seam can be welded. When a workpiece with a transverse welding seam is welded, the workpiece to be welded is fixed on the rotating pedestal 12 through the workpiece fixing clamp 11, at the moment, the first driving motor 22 is driven to the first rack 3 through the first gear 2, the welding gun 20 is started after being close to the workpiece, when the first driving motor 22 rotates forwards, the first movable pedestal 5 moves rightwards along the direction of the sliding rail 4 to drive the second movable pedestal 9 and the workpiece to move rightwards together, and a rightward linear welding seam is welded, when the first driving motor 22 rotates reversely, the first movable pedestal 5 moves leftwards along the direction of the sliding rail 4 to drive the second movable pedestal 9 and the workpiece to move leftwards together, and the leftward linear welding seam is welded, so that an even transverse welding seam can be welded.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an automatic welding auxiliary device based on contravariant electric welding usefulness, includes unable adjustment base (1), its characterized in that, install first driving motor (22) with the bolt on unable adjustment base (1), the first gear of output shaft (2) of first driving motor (22), the top of unable adjustment base (1) slides and is provided with first movable pedestal (5), the bottom fixedly connected with first rack (3) of first movable pedestal (5), and first rack (3) and first gear (2) meshing transmission, it is provided with second movable pedestal (9) to slide on first movable pedestal (5), the movable sleeve is equipped with in second movable pedestal (9) rotates pedestal (12), the bottom fixedly connected with ring gear (13) of rotating pedestal (12), the bottom fixedly connected with connecting plate (8) of rotating pedestal (12), two push rod motors (16) of bottom inner wall fixedly connected with of connecting plate (8), the output shaft fixedly connected with biax motor (15) of push rod motor (16), the fixed cover of top output shaft of biax motor (15) is equipped with second gear (14), and ring gear (13) and second gear (14) meshing transmission, the bottom output shaft fixedly connected with transmission shaft (17) of biax motor (15), the fixed cover of bottom output shaft of transmission shaft (17) is equipped with third gear (18), unable adjustment base (1) side-mounting cantilever (21), welder (20) are installed on the top of cantilever (21).

2. The automatic welding auxiliary device based on the inverter electric welding is characterized in that two first sliding grooves (6) are formed in the top of the first movable pedestal (5), a second sliding block (24) is slidably mounted inside the first sliding grooves (6), a connecting rod (7) is fixedly connected to the top of the second sliding block (24), a second rack (19) is fixedly connected to the right side of the second sliding block (24) on the left side, and a third gear (18) is meshed with the second rack (19) for transmission.

3. The automatic welding auxiliary device based on the inverter electric welding of claim 1, characterized in that the vertical section of the rotating pedestal (12) is a convex structure, the cross section of the rotating pedestal (12) is a circular structure, the movable groove (10) is opened in the second movable pedestal (9), and the movable sleeve of the rotating pedestal (12) is arranged in the movable groove (10).

4. The automatic welding auxiliary device based on the inverter electric welding of claim 1, characterized in that the top left side of the first movable pedestal (5) is provided with a groove, and the third gear (18) extends into the groove.

5. The automatic welding auxiliary device based on the inverter electric welding of claim 1, characterized in that a second sliding groove (25) is formed at the top of the rotating pedestal (12), and two workpiece fixing clamps (11) are slidably connected inside the second sliding groove (25).

6. The automatic welding auxiliary device based on the inverter electric welding of claim 1, characterized in that two third sliding grooves (26) are formed in the top of the fixed base (1), a first sliding block (23) is slidably connected inside the third sliding grooves (26), and the top of the first sliding block (23) is fixedly connected with the first movable pedestal (5).