Shaft flange end face girth welding device

Abstract

The utility model provides a shaft flange end face girth welding device which comprises a machine box, an adsorption cover is arranged on the upper portion of the machine box, an air suction pipe communicated with a dust collector is arranged on the upper portion of the adsorption cover, a fixing frame is arranged in the machine box, a rotating disc is arranged on the fixing frame in a rotating mode, and a clamp is arranged on the rotating disc. The dust collector is arranged on the lower portion of the rotating disc, a driving piece for driving the rotating disc to rotate is arranged on the lower portion of the rotating disc, an adjusting mechanism is arranged on the portion, located on the outer side of the fixing frame, in the machine box, and a welding gun is arranged on the adjusting mechanism. According to the welding device, the welding gun can be conveniently and rapidly adjusted and fixed through the adjusting mechanism, all positions of a to-be-welded part clamped and fixed by a clamp on the rotating disc can be efficiently and rapidly welded in cooperation with the rotating disc arranged in a rotating mode, and operation is more convenient and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, and particularly relates to an end face circumferential seam welding device for a shaft flange. Background Art

[0002] Welding equipment refers to the equipment required to implement the welding process. Welding equipment includes welding machines, welding process equipment, and welding auxiliary appliances.

[0003] Currently, a Chinese patent with the publication number CN105171302A discloses an end face positioning device for a welding positioning device, which includes a fixed frame. A end plate is fixed at the lower end of the fixed frame. Limiting blocks are evenly arranged on the upper end face of the end plate. A positioning tooling is installed on the lower end face of the end plate. Limiting plates are arranged around the positioning tooling. An L-shaped plate is fixed to the upper end of the limiting plate by means of bolts. Cylindrical straight racks perpendicular to the upper end face of the end plate are fixed to the upper ends of the L-shaped plates. Transmission shafts are installed on the left and right sides of the upper end of the end plate by means of bearing positioning. Lifting gears are fixed to both ends of the transmission shafts by means of key connection. Driven bevel gears are fixed to the transmission shafts by means of key connection. A driving mechanism is installed on the end plate.

[0004] Traditional welding equipment has limitations in the moving range of the position of the welding torch, and the angle of the welding torch cannot be adjusted, resulting in a limited welding range of the welding torch. Moreover, the welding slag generated during welding remains in the chassis and is difficult to clean after drying. Summary of the Utility Model

[0005] In view of this, the utility model provides an end face circumferential seam welding device for a shaft flange, which can start the vacuum cleaner during the welding process to centrally adsorb and clean the welding slag that falls during the welding process, avoiding its scattered everywhere and being troublesome to clean after drying. Moreover, the position and angle of the welding torch can be conveniently and quickly adjusted and fixed through an adjusting mechanism, and in cooperation with a rotatably arranged turntable, efficient and rapid welding operations can be carried out on various positions of the workpiece to be welded clamped and fixed by the fixture on it, and the operation is more convenient and efficient, solving the problems that traditional welding equipment has limitations in the moving range of the position of the welding torch, the angle of the welding torch cannot be adjusted, resulting in a limited welding range of the welding torch, and the welding slag generated during welding remains in the chassis and is difficult to clean after drying.

[0006] To solve the above technical problems, the present utility model provides a shaft flange end face circumferential seam welding device, which includes a chassis. Observation windows are respectively arranged on the left and right side walls of the chassis. An automatic switch door is arranged on the front side wall of the chassis. An adsorption hood is arranged on the upper part of the chassis. An air suction pipe connected to a dust collector is arranged on the upper part of the adsorption hood. A fixing frame is arranged inside the chassis. A turntable is rotatably arranged on the fixing frame. A fixture for clamping and fixing a workpiece to be welded is arranged on the turntable. A driving member for driving the turntable to rotate is arranged below the turntable. An adjusting mechanism is arranged inside the chassis and outside the fixing frame. A welding torch is arranged on the adjusting mechanism. The present utility model can, through the cooperation of the air suction pipe connected to the dust collector and the adsorption hood arranged on the upper part of the welding equipment chassis, start the dust collector to work during the welding process, thereby realizing the centralized adsorption and cleaning of the welding slag falling during the welding process, avoiding its scattered everywhere and being troublesome to clean up after subsequent drying. Moreover, the position and angle of the welding torch can be conveniently and quickly adjusted and fixed through the adjusting mechanism. Cooperating with the rotatably arranged turntable, high-efficiency and rapid welding operations can be carried out on various positions of the workpiece clamped and fixed by the fixture on it, and the operation is more convenient and efficient, solving the problems of the traditional welding equipment that the moving range of the position of the welding torch is limited, the angle of the welding torch cannot be adjusted, resulting in a limited welding range of the welding torch, and the welding slag generated during welding remains in the chassis and is difficult to clean up after drying.

[0007] The adjusting mechanism includes a telescopic push rod arranged inside the chassis. The end of the output rod of the telescopic push rod is rotatably provided with a clamping seat. A rotating shaft is arranged outside the clamping seat. A universal adjusting seat is arranged at the end of the rotating shaft. The universal adjusting seat includes a fixing part, a rotating rod part and a hand-tightening locking bolt. A hand-tightening locking bolt is arranged between the rotating part and the fixing part of the universal adjusting seat. The welding torch is clamped at the end of the fixing part of the universal adjusting seat to lock the position of the welding torch with the adjusted angle and position. The present utility model can quickly and conveniently adjust the height of the universal adjusting seat and the welding torch through the extension and retraction of the output rod of the telescopic push rod, facilitating the welding operation on different axial heights of the workpiece to be welded. And by loosening the hand-tightening bolt and turning the angle of the universal adjusting seat, the inclination angle and position of the welding torch can be adjusted, realizing the high-efficiency welding operation of workpieces under various working conditions, and the operation is more convenient.

[0008] The driving member is a motor or an electric motor. Power is transmitted between the end of the output shaft of the driving member and the rotating shaft below the turntable in a belt drive manner. The present utility model can drive the turntable to rotate together through the rotation of the output shaft of the driving member, thereby realizing the rotation of the fixture on it and the workpiece clamped and fixed on the fixture together, and cooperating with the welding torch to carry out welding operations on the entire circumferential side wall of the workpiece, which is more convenient and efficient.

[0009] The fixture includes an electric oil cylinder arranged on the turntable for pressing the fixing plate of the workpiece to be welded. The electric oil cylinder is powered by a storage battery, which is arranged at the lower part of the turntable. A pressing plate is arranged at the end of the output rod of the electric oil cylinder. The utility model can carry out the pressing and fixing operation on the workpiece on the fixture by extending and retracting the output rod of the electric oil cylinder to drive the pressing plate downward, and can also realize the pressing and fixing operation on workpieces of different heights, with stronger applicability.

[0010] The automatic switch door includes a door panel and an electric push rod arranged on the door panel. The fixed end of the electric push rod is fixedly arranged at the upper part of the front side wall of the machine box. The utility model can drive the door panel to move downward to open the front part of the machine box by extending and retracting the output rod of the electric push rod, so as to conveniently and quickly place the object to be welded or quickly and conveniently take out the welded workpiece. By retracting the output rod of the electric push rod, the door panel is pulled upward to block and close the front part of the machine box, avoiding the welding slag splashing out of the machine box during the welding process and the risk of scalding the staff.

[0011] The telescopic push rod is a hydraulic telescopic rod.

[0012] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0013] 1. The utility model can, through the cooperation of the suction air pipe and the adsorption hood connected to the vacuum cleaner arranged at the upper part of the machine box of the welding equipment, start the vacuum cleaner during the welding process to centrally adsorb and clean the welding slag falling during the welding process, avoid its scattered everywhere, and it is troublesome to clean after subsequent drying. Moreover, the position and angle of the welding torch can be conveniently and quickly adjusted and fixed through the adjusting mechanism, and cooperate with the rotatably arranged turntable to carry out efficient and rapid welding operations on various positions of the workpiece to be welded clamped and fixed by the fixture on it, with more convenient and efficient operation, solving the problems that the traditional welding equipment has a limited moving range of the position of the welding torch, cannot adjust the angle of the welding torch, resulting in a limited welding range of the welding torch, and the welding slag generated by welding remains in the machine box and is difficult to clean after drying.

[0014] 2. The utility model can quickly and conveniently adjust the height of the universal adjusting seat and the welding torch by extending and retracting the output rod of the telescopic push rod, facilitating the welding operation on different axial heights of the workpiece to be welded. And by loosening the hand-tightening bolt and turning the angle of the universal adjusting seat, the inclination angle and position of the welding torch can be adjusted, realizing the efficient welding operation of workpieces under various working conditions and more convenient operation.

[0015] 3. The utility model can drive the turntable to rotate together through the rotation of the output shaft of the driving member, thereby driving the fixture thereon and the workpiece clamped and fixed on the fixture to rotate together, and cooperating with the welding torch to perform welding operations on the entire circumferential side wall of the workpiece, which is more convenient and efficient.

[0016] 4. The utility model can drive the door panel to move downward to open the front part of the chassis through the extension and retraction of the output rod of the electric push rod, so as to conveniently and quickly place the object to be welded or quickly and conveniently take out the welded workpiece. When the output rod of the electric push rod retracts, it pulls the door panel upward to block and close the front part of the chassis, avoiding the risk of welding slag splashing out of the chassis and scalding the staff during the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the shaft flange end face circumferential seam welding device of the utility model;

[0018] Figure 2 is a schematic structural diagram of the shaft flange end face circumferential seam welding device of the utility model without the chassis;

[0019] Figure 3 For the utility model Figure 2 is an enlarged view of the structure at A in the utility model;

[0020] Figure 4 For the utility model Figure 2 is an enlarged view of the structure at B in the utility model.

[0021] Description of the reference numerals: 100, chassis; 110, observation window; 120, automatic switchable door; 121, door panel; 122, electric push rod; 200, adsorption hood; 300, suction air pipe; 400, fixing bracket; 500, turntable; 600, fixture; 601, electric oil cylinder; 602, pressing plate; 700, adjusting mechanism; 701, telescopic push rod; 702, clamping seat; 703, rotating shaft; 704, universal adjusting seat; 800, welding torch. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] To make the objectives, technical solutions and advantages of the embodiments of the utility model clearer, the following will combine the appended drawings of the embodiments of the utility model Figures 1-4 to clearly and completely describe the technical solutions of the embodiments of the utility model. Obviously, the described embodiments are some but not all of the embodiments of the utility model. Based on the described embodiments of the utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope protected by the utility model.

[0023] Such as Figures 1-4As shown in the figure: This embodiment provides an axial flange end face circumferential seam welding device, which includes a chassis 100. Observation windows 110 are respectively arranged on the left and right side walls of the chassis 100. An automatic switch door 120 is arranged on the front side wall of the chassis 100. An adsorption hood 200 is arranged on the upper part of the chassis 100. An air suction pipe 300 connected to a dust collector is arranged on the upper part of the adsorption hood 200. A fixing frame 400 is arranged inside the chassis 100. A turntable 500 is rotatably arranged on the fixing frame 400. A fixture 600 for clamping and fixing the workpiece to be welded is arranged on the turntable 500. A driving member for driving the turntable 500 to rotate is arranged below the turntable 500. An adjusting mechanism 700 is arranged inside the chassis 100 and outside the fixing frame 400. A welding torch 800 is arranged on the adjusting mechanism 700. In the present utility model, through the combined action of the air suction pipe 300 connected to the dust collector and the adsorption hood 200 arranged on the upper part of the chassis 100 of the welding equipment, the dust collector is started to work during the welding process, so as to centrally adsorb and clean the welding slag falling during the welding process, avoid its scattered everywhere, and it is troublesome to clean after subsequent drying. Moreover, the position and angle of the welding torch 800 can be conveniently and quickly adjusted and fixed through the adjusting mechanism 700. Cooperating with the rotatably arranged turntable 500, efficient and rapid welding operations can be carried out on each position of the workpiece clamped and fixed by the fixture 600 thereon. The operation is more convenient and efficient, solving the problems that the traditional welding equipment has a limited moving range of the position of the welding torch 800, cannot adjust the angle of the welding torch 800, resulting in a limited welding range of the welding torch 800, and the welding slag generated by welding remains in the chassis 100 and is difficult to clean after drying.

[0024] According to an embodiment of the present utility model, as Figures 1-4 shown, the adjusting mechanism 700 includes a telescopic push rod 701 arranged inside the chassis 100. The telescopic push rod 701 is a hydraulic telescopic rod. A clamping seat 702 is rotatably arranged at the end of the output rod of the telescopic push rod 701. A rotating shaft 703 is arranged outside the clamping seat 702. A universal adjusting seat 704 is arranged at the end of the rotating shaft 703. The universal adjusting seat 704 includes a fixing part, a rotating rod part and a hand-tightening locking bolt. A hand-tightening locking bolt is arranged between the rotating part and the fixing part of the universal adjusting seat 704. The welding torch 800 is clamped at the end of the fixing part of the universal adjusting seat 704 for locking the position of the welding torch 800 with adjusted angle and position. In the present utility model, the height of the universal adjusting seat 704 and the welding torch 800 can be quickly and conveniently adjusted through the extension and retraction of the output rod of the telescopic push rod 701, facilitating the welding operation of the workpiece to be welded at different axial heights. And by loosening the hand-tightening bolt and turning the angle of the universal adjusting seat 704, the inclination angle and position of the welding torch 800 can be adjusted, realizing the efficient welding operation of the workpiece under various working conditions, and the operation is more convenient.

[0025] According to another embodiment of the present utility model, as Figure 1 , Figure 2 and Figure 4 shown, the driving member is a motor or an electric motor. Power is transmitted between the end of the output shaft of the driving member and the rotating shaft 703 at the lower part of the turntable 500 in a belt transmission manner. The present utility model can drive the turntable 500 to rotate together by the rotation of the output shaft of the driving member, thereby realizing the rotation of the fixture 600 thereon and the workpiece clamped and fixed on the fixture 600 together, and cooperating with the welding torch 800 to perform welding operations on the entire circumferential side wall of the workpiece, which is more convenient and efficient.

[0026] According to another embodiment of the present utility model, as Figure 1 and Figure 3 shown, the fixture 600 includes an electric oil cylinder 601 arranged on the turntable 500 for pressing the fixing plate of the workpiece to be welded. The electric oil cylinder 601 is powered by a storage battery. The storage battery is arranged at the lower part of the turntable 500. A pressing plate 602 is arranged at the end of the output rod of the electric oil cylinder 601. The present utility model can perform the pressing and fixing operation on the workpiece on the fixture 600 by the extension and retraction of the output rod of the electric oil cylinder 601 to drive the pressing plate 602 downward, and can also realize the pressing and fixing operation on workpieces of different heights, with stronger applicability.

[0027] According to another embodiment of the present utility model, as Figure 1 shown, the automatic switch door 120 includes a door panel 121 and an electric push rod 122 arranged on the door panel 121. The fixed end of the electric push rod 122 is fixedly arranged on the upper part of the front side wall of the chassis 100. The present utility model can realize driving the door panel 121 to move downward to open the front part of the chassis 100 by the extension and retraction of the output rod of the electric push rod 122, so as to conveniently and quickly place the object to be welded or quickly and conveniently take out the welded workpiece. By retracting the output rod of the electric push rod 122, the door panel 121 is pulled upward to block and close the front part of the chassis 100, avoiding the welding slag splashing out of the chassis 100 during the welding process, which may pose a risk of scalding the staff.

[0028] The usage method of the present utility model:

[0029] First of all, it should be clear that the welding device involved in the present utility model is mainly used for welding operations on various cylindrical objects. Taking the circumferential seam welding of the shaft flange end face as an example, the usage method of the present utility model is elaborated in detail. When welding the circumferential seam of the shaft flange end face, first insert the central hole of the end face of the shaft with the flange into the fixed pin shaft on the upper part of the turntable 500, then start the output rod of the electric oil cylinder 601 to retract, driving the pressing plate 602 to press down on the upper end face of the shaft. Then start the output rod of the telescopic push rod 701 to extend or retract until the welding torch 800 is at a suitable height. Then loosen the hand-tightened bolt and turn the rotating part of the universal adjusting seat 704 to adjust the inclination angle and position of the fixed part of the universal adjusting seat 704 and the welding torch 800. Under the action of the extension and retraction of the output rod of the telescopic push rod 701, the height of the universal adjusting seat 704 and the welding torch 800 can be adjusted quickly and conveniently, facilitating the welding operation at different axial heights of the workpiece to be welded. And the inclination angle and position of the welding torch 800 can be adjusted by loosening the hand-tightened bolt and turning the angle of the universal adjusting seat 704. Then loosen the hand-tightened locking bolt, then start the output shaft of the driving part to rotate, and then start the welding torch 800 to perform the welding operation while starting the vacuum cleaner. The present utility model can, through the cooperation of the suction air pipe 300 connected to the vacuum cleaner and the adsorption hood 200 provided on the upper part of the chassis 100 of the welding equipment, start the vacuum cleaner during the welding process to centrally adsorb and clean the welding slag dropped during the welding process, avoiding its scattered everywhere and being troublesome to clean after subsequent drying. Moreover, the position and angle of the welding torch 800 can be adjusted and fixed conveniently and quickly through the adjusting mechanism 700, and in cooperation with the rotatably arranged turntable 500, efficient and rapid welding operations can be carried out on various positions of the workpiece to be welded clamped and fixed by the fixture 600 thereon, making the operation more convenient and efficient, and solving the problems existing in the traditional welding equipment that the moving range of the position of the welding torch 800 is limited, the angle of the welding torch 800 cannot be adjusted, resulting in a limited welding range of the welding torch 800, and the welding slag generated during welding remains in the chassis 100 and is difficult to clean after drying.

[0030] In addition, it should be noted that in the description of the present utility model, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0031] The above are the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A shaft flange end face annular seam welding device, comprising a chassis (100), characterized in that: Observation windows (110) are respectively arranged on the left and right side walls of the case (100); an automatic opening and closing door (120) is arranged on the front side wall of the case (100); an adsorption cover (200) is arranged on the upper part of the case (100); a suction pipe (300) connected to a vacuum cleaner is arranged on the upper part of the adsorption cover (200); a fixing frame (400) is arranged inside the case (100); a turntable (500) is rotatably arranged on the fixing frame (400); a clamp (600) for clamping and fixing a workpiece to be welded is arranged on the turntable (500); a driving member for driving the turntable (500) to rotate is arranged at the lower part of the turntable (500); an adjustment mechanism (700) is arranged inside the case (100) and outside the fixing frame (400); a welding gun (800) is arranged on the adjustment mechanism (700).

2. The shaft flange end face circumferential seam welding device according to claim 1, characterized in that: The adjustment mechanism (700) comprises a telescopic push rod (701) arranged inside the chassis (100); a clamping seat (702) is rotatably arranged at the output rod end of the telescopic push rod (701); a rotating shaft (703) is arranged on the outer side of the clamping seat (702); a universal adjustment seat (704) is arranged at the end of the rotating shaft (703); the universal adjustment seat (704) comprises a fixed portion, a rotating rod portion and a hand-tightening locking bolt; a hand-tightening locking bolt is arranged between the rotating portion and the fixed portion of the universal adjustment seat (704); the welding gun (800) is clamped at the end of the fixed portion of the universal adjustment seat (704) for locking the position of the welding gun (800) whose angle and position have been adjusted.

3. The shaft flange end face annular seam welding device according to claim 2, characterized in that: The driving member is a motor or an electric motor, and power is transmitted between the output shaft end of the driving member and the rotating shaft (703) at the lower part of the rotating disk (500) by means of a belt drive.

4. The shaft flange end face annular seam welding device according to claim 3, characterized in that: The clamp (600) comprises an electric cylinder (601) arranged on a rotating disk (500) for pressing a fixed disk of a workpiece to be welded, and a pressing plate (602) is arranged at the end of an output rod of the electric cylinder (601).

5. The shaft flange end face annular seam welding device according to claim 4, characterized in that: The automatic opening and closing door (120) comprises a door panel (121) and an electric push rod (122) arranged on the door panel (121); the fixed end of the electric push rod (122) is fixedly arranged on the upper part of the front side wall of the chassis (100).

6. The shaft flange end face circumferential seam welding device according to claim 5, characterized in that: The telescopic push rod (701) is a hydraulic telescopic rod.

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