Multi-station welding equipment

Abstract

The utility model discloses a multi-station welding device which comprises a working table, a rotary table is arranged at the upper end of the working table in a rotating mode, a plurality of fixing clamps are evenly distributed on the circumference of the upper end of the rotary table and used for fixing workpieces to be welded, and the rotary table is driven by a servo motor installed on the working table. A collecting assembly is installed on any side face of the workbench, and the collecting end of the collecting assembly is located at the lower end of the rotary table and corresponds to the fixing clamp. Flow collecting cylinders are coaxially arranged on the outer sides of the fixing clamps at intervals, the bottoms of the flow collecting cylinders are connected with the rotary table, and a plurality of first air holes are formed in the positions, located at the lower ends of the flow collecting cylinders and between the flow collecting cylinders and the fixing clamps, of the rotary table in a penetrating mode. The collecting assembly collects harmful gas generated by welding in real time through the flow collecting barrel and the first air hole. A welding assembly is correspondingly arranged on the side of the collecting assembly and used for welding a to-be-welded workpiece over the collecting assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field, concretely relates to a kind of multi-station welding equipment. BACKGROUND

[0002] With the continuous development of modern industrial technology, welding technology has become an indispensable part of industrial production. In various welding equipment, multi-station welding equipment is widely used in automobile manufacturing, aerospace, mechanical manufacturing and other fields due to its high efficiency, automation and other advantages.

[0003] However, the existing multi-station welding equipment is difficult to efficiently treat harmful gases generated during welding, resulting in the need for workers to wear a large amount of protective equipment, and poor work comfort. At the same time, due to the high efficiency of multi-station welding, the switching speed of workpieces in different stations is fast, and the cooling time of workpieces after welding is shortened, resulting in excessive residual temperature of workpieces, which may affect subsequent transportation.

[0004] Therefore, it is necessary to provide a multi-station welding equipment to solve the problems mentioned in the background. SUMMARY

[0005] To achieve the above purpose, the utility model provides a kind of multi-station welding equipment, including: workbench, the workbench upper end rotationally arranged with rotary table, the rotary table upper end is uniformly distributed with a plurality of fixed clamps for fixing the workpiece to be welded, the rotary table is driven by servo motor installed on the workbench;

[0006] Any side of the workbench is provided with a collection assembly, and the collection end of the collection assembly is located at the lower end of the rotary table and is correspondingly arranged with the fixed clamp;

[0007] The fixed clamp is coaxially spaced apart with a flow collecting cylinder outside, the bottom of the flow collecting cylinder is connected with the rotary table, and a plurality of gas holes one are provided through the circumference of the rotary table between the lower end of the flow collecting cylinder and the flow collecting cylinder and the fixed clamp. The collection assembly collects harmful gases generated during welding in real time through the flow collecting cylinder and gas hole one.

[0008] A welding assembly is correspondingly arranged beside the collection assembly for welding the workpiece to be welded above the collection assembly.

[0009] Preferably, the collection assembly comprises:

[0010] A fixed tube, which is an L-shaped tubular structure, has a purification device connected to one end penetrating the sidewall of the workbench.

[0011] The other end of the fixed pipe is coaxially and slidingly inserted with a sealing pipe, a limiting step is arranged on the pipe body of the sealing pipe close to the upper end, and the limiting step and the upper end surface of the fixed pipe are elastically connected through a buffer spring, so that the sealing pipe can be elastically attached to the lower end of the rotary table.

[0012] A negative pressure fan is coaxially installed in the fixed pipe.

[0013] Preferably, the axis of the sealing pipe coincides with the circumference where the fixed clamps are arranged on the rotary table.

[0014] Preferably, a buffer layer is arranged on the upper end of the sealing pipe.

[0015] Preferably, a plurality of air holes two are arranged on the inner wall of the flow collecting cylinder in the circumferential and axial directions, a gas channel is arranged in the flow collecting cylinder and longitudinally communicates with the air holes two, the gas outlet of the lower end of the gas channel coincides with the outermost air hole one, and the gas channel communicates with the collecting assembly through the outermost air hole one.

[0016] Preferably, the welding assembly comprises a mechanical arm and a welding gun, and the welding gun is arranged on the output end of the mechanical arm.

[0017] Compared with the prior art, the multi-station welding equipment has the following beneficial effects:

[0018] In the utility model, the flow collecting cylinder and the collecting assembly communicating with the flow collecting cylinder are arranged above and below the rotary table respectively, harmful gases generated in the workpiece welding process are collected in real time, at the same time, the suction force generated by the collecting assembly can also take away the heat generated by welding in real time, the cooling efficiency after workpiece welding is improved, and subsequent transportation is facilitated.

[0019] And by arranging the fixed pipe, the sealing pipe and the buffer spring, the sealing pipe can be elastically attached to the lower end surface of the rotary table at all times, and gaps between the two are avoided, so that the harmful gases are not collected completely. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a whole structure schematic view of a multi-station welding equipment;

[0021] Fig. 2 It is a flow collecting cylinder structure schematic view of a multi-station welding equipment;

[0022] Fig. 3 It is a collecting assembly cross-section structure schematic view of a multi-station welding equipment;

[0023] In the figure: 1, workbench; 2, rotary table; 3, servo motor; 4, flow collecting cylinder; 5, collection assembly; 6, welding assembly; 7, fixed clamp; 8, air hole one; 9, air hole two; 10, fixed tube; 11, sealing tube; 12, buffer spring; 13, negative pressure fan; 14, buffer layer; 15, air duct. DETAILED DESCRIPTION

[0024] Please refer to Figs. 1-3 The utility model provides a kind of multi-station welding equipment, comprising: workbench 1, rotary table 2 is rotationally arranged on the upper end of the workbench 1, and the upper end of the rotary table 2 is circumferentially distributed with a plurality of fixed clamps 7, for fixing the workpiece to be welded, and the rotary table 2 is driven by servo motor 3 installed on the workbench 1;

[0025] Collection assembly 5 is installed on any side of the workbench 1, and the collection end of the collection assembly 5 is located at the lower end of the rotary table 2, and is correspondingly arranged with the fixed clamp 7;

[0026] Flow collecting cylinder 4 is coaxially and spaced apart arranged outside the fixed clamp 7, and the bottom of the flow collecting cylinder 4 is connected with the rotary table 2, and a plurality of air holes one 8 are penetrated and arranged circumferentially at the part between the lower end of the flow collecting cylinder 4 and the fixed clamp 7 of the rotary table 2, and the collection assembly 5 collects harmful gas generated by welding in real time through the flow collecting cylinder 4 and the air hole one 8;

[0027] Welding assembly 6 is correspondingly arranged beside the collection assembly 5, for welding the workpiece to be welded above the collection assembly 5.

[0028] It needs to be explained that, in working, the rotary table 2 is rotated by rotating driving of servo motor 3, so that each fixed clamp 7 is rotated to the upper side of the collection assembly 5 in turn, and the workpiece to be welded is welded by welding assembly 6. In the welding process, the collection assembly 5 collects harmful gas and heat generated in real time during welding through the flow collecting cylinder 4 and the air hole one 8, which avoids pollution to the workshop environment and accelerates the cooling speed of the workpiece after welding.

[0029] Further, the collection assembly 5 comprises:

[0030] Fixed tube 10, the fixed tube 10 is L-shaped tubular structure, one end of which is connected with a purification device penetrating through the side wall of the workbench 1;

[0031] The other end of the fixed tube 10 is coaxially and slidingly inserted with sealing tube 11, and a limiting step is arranged near the upper end of the tube body of the sealing tube 11, and the limiting step and the upper end surface of the fixed tube 10 are elastically connected through buffer spring 12, so that the sealing tube 11 can be elastically attached to the lower end of the rotary table 2;

[0032] A negative pressure fan 13 is coaxially arranged in the fixed pipe 10, and rotation of the negative pressure fan 13 generates suction at the collecting cylinder 4 and the air hole 8, so that the harmful gas is collected.

[0033] It should be explained that the elastic insertion of the sealing pipe 11 on the fixed pipe 10 enables the sealing pipe 11 to always elastically adhere to the lower end of the rotating table 2 after the rotating table 2 rotates to switch the workpiece, so that a gap between the two is avoided, and the incomplete collection of the harmful gas is avoided.

[0034] Further, the axis of the sealing pipe 11 coincides with the circumference where the fixed clamps 7 are arranged on the rotating table 2.

[0035] Further, a buffer layer 14 is arranged at the upper end of the sealing pipe 11, the buffer layer 14 is annular and is adapted to the structure of the upper end of the sealing pipe 11, and is used to improve the sealing between the sealing pipe 11 and the rotating table 2.

[0036] Further, a plurality of air holes 9 are arranged on the inner wall of the collecting cylinder 4 in the circumferential and axial directions, a gas passage 15 is arranged in the collecting cylinder 4 and longitudinally communicates with the air holes 9, the lower end of the gas passage 15 coincides with the outermost air hole 8, and the gas passage 15 communicates with the collecting assembly 5 through the outermost air hole 8.

[0037] The collecting assembly 5 collects the harmful gas generated by the welding of the workpiece through the plurality of air holes 9, and the collection effect of the harmful gas is improved.

[0038] Further, the welding assembly 6 includes a mechanical arm and a welding gun, and the welding assembly is arranged at the output end of the mechanical arm.

[0039] Preferably, the mechanical arm is a six-axis mechanical arm.

[0040] In specific implementation, the rotating table is driven to rotate by a servo motor, each fixed clamp is sequentially rotated to be directly above the collecting assembly, the workpiece to be welded is welded by the welding assembly, and the harmful gas and heat generated during the welding are collected in real time by the collecting assembly through the collecting cylinder and the air hole 8, so that the pollution to the workshop environment is avoided, and the cooling speed of the workpiece after the welding is accelerated.

[0041] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A multi-station welding equipment, characterized in that, include: A workbench (1), wherein a turntable (2) is rotatably provided on the upper end of the workbench (1), and a plurality of fixing fixtures (7) are evenly distributed on the circumference of the upper end of the turntable (2) for fixing the workpiece to be welded, and the turntable (2) is driven by a servo motor (3) installed on the workbench (1); A collecting assembly (5) is installed on any side of the workbench (1), and the collecting end of the collecting assembly (5) is located at the lower end of the turntable (2) and is arranged corresponding to the fixing fixture (7); The outer side of the fixing fixture (7) is provided with collecting tubes (4) at intervals and coaxially, the bottom of the collecting tubes (4) is connected to the turntable (2), and the turntable (2) is provided with a plurality of air holes (8) through the circumference of the portion located at the lower end of the collecting tube (4) and between the collecting tube (4) and the fixing fixture (7), and the collecting assembly (5) collects the harmful gas generated by welding in real time through the collecting tube (4) and the air holes (8); A welding assembly (6) is correspondingly provided on the side of the collecting assembly (5) for welding the workpiece to be welded directly above the collecting assembly (5).

2. The multi-station welding equipment according to claim 1, characterized in that: The collecting assembly (5) comprises: A fixed pipe (10), the fixed pipe (10) is an L-shaped tubular structure, one end of which passes through the side wall of the workbench (1) and is connected to a purification device; A sealing tube (11) is coaxially slidably inserted into the other end of the fixed tube (10), and a limiting step is provided near the upper end of the tube body of the sealing tube (11). The limiting step is elastically connected to the upper end surface of the fixed tube (10) via a buffer spring (12), so that the sealing tube (11) can elastically fit with the lower end of the turntable (2); A negative pressure fan (13), the negative pressure fan (13) is coaxially installed in the fixed pipe (10).

3. The multi-station welding equipment according to claim 2, characterized in that: The axis of the sealing tube (11) coincides with the circumference of the arrangement of each of the fixing fixtures (7) on the turntable (2).

4. The multi-station welding equipment according to claim 2, characterized in that: A buffer layer (14) is bonded to the upper end of the sealing tube (11).

5. The multi-station welding equipment according to claim 1, characterized in that: The inner wall of the collecting tube (4) is provided with a plurality of air holes (9) along the circumferential direction and the axial direction, and an air channel (15) is provided inside the collecting tube (4) to longitudinally connect the air holes (9), and the air outlet at the lower end of the air channel (15) coincides with the outermost air hole (8), and the air channel (15) is connected with the collecting assembly (5) through the outermost air hole (8).

6. The multi-station welding equipment according to claim 1, characterized in that: The welding assembly (6) comprises a mechanical arm and a welding gun, and the welding is installed at the output end of the mechanical arm.

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