Full-automatic welding device for conveying auger blades

Abstract

The utility model discloses a full-automatic welding device for conveying auger blades, which comprises a welding platform and a welding gun, the welding gun is mounted on the welding platform through a moving mechanism, a guide rail I is arranged on the welding platform, and a fixed mounting mechanism for conveying the auger blades is arranged at one end of the guide rail I; a movable top mounting mechanism matched with the fixed mounting mechanism is arranged at the other end of the guide rail I; the fixed mounting mechanism comprises a fixed seat and a rotary chuck used for positioning the welding position of the conveying auger blade, and the rotary chuck is mounted on the fixed seat and directly faces the movable mounting mechanism; the movable jacking mechanism comprises a sliding seat and a jacking cylinder, and a rotating seat rotating synchronously with the rotating chuck is arranged at the end of a piston rod of the jacking cylinder. By arranging the rotating chuck and the rotating base, the welding position of the conveying auger blade can be accurately positioned through rotation, welding of the circumferential position and the axial position is achieved, welding flexibility is high, and the conveying auger blade welding device is suitable for fixing conveying auger blades of different lengths and different diameters through movement of the rotating base.

Description

Technical Field

[0001] The utility model relates to a welding device for a conveying auger blade, in particular to a full-automatic welding device for a conveying auger blade. Background Art

[0002] The traditional welding of a conveying auger blade and a rotating shaft is mainly completed manually, that is, the operator determines the welding point and then holds the welding torch to complete the welding operation. This welding method has low work efficiency and long welding time. A welding tooling for a conveying auger blade is disclosed in the prior art. The tooling is provided with a first moving plate and a second moving plate. The rotating shaft on the conveying auger blade is connected to the first moving plate and the second moving plate through bearings. The welding position of the conveying auger blade is adjusted through the first moving plate and the second moving plate to adapt to conveying auger blades of different lengths. Such a structure can only weld the welding points where the central shaft and the conveying auger blade are on the same horizontal plane. When welding the welding points on different horizontal planes, it is necessary to manually rotate the central shaft to rotate the conveying auger blade to another horizontal state and then weld again. The welding tooling of this structure is only in a semi-automatic state, and the installation of the central shaft has a certain degree of difficulty. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a full-automatic welding device for a conveying auger blade with reasonable design and convenient use in view of the deficiencies of the prior art.

[0004] In order to achieve the above object, the utility model adopts the following technical solutions:

[0005] A full-automatic welding device for a conveying auger blade, characterized in that the device comprises a welding platform and a welding torch. The welding torch is installed on the welding platform through a moving mechanism. A guide rail I is provided on the welding platform. A fixed installation mechanism for the conveying auger blade is provided at one end of the guide rail I, and a movable top installation mechanism for adjusting the installation position of the conveying auger blade in cooperation with the fixed installation mechanism is provided at the other end of the guide rail I;

[0006] The fixed installation mechanism comprises a fixed seat and a rotating chuck for positioning the welding position of the conveying auger blade. The rotating chuck is installed on the fixed seat and faces the movable installation mechanism;

[0007] The movable top installation mechanism comprises a sliding seat slidably matched with the guide rail I and a jacking cylinder fixed on the sliding seat. The jacking cylinder is horizontally arranged. The end of the piston rod of the jacking cylinder is provided with a rotating seat that rotates synchronously with the rotating chuck. A clamping groove for cooperating with one end of the central shaft of the auger blade is provided on the rotating seat;

[0008] The moving mechanism comprises a guide rail II arranged parallel to the guide rail I and a moving seat slidably matched with the guide rail II. The welding torch is installed on the moving seat through a column;

[0009] A first driving mechanism for driving the sliding seat, a second driving mechanism for driving the moving seat, and a controller for controlling the first driving mechanism, the second driving mechanism, and the rotary chuck to achieve positioning welding are provided on the welding platform.

[0010] The technical problem to be solved by the present utility model can also be achieved through the following technical solution. An auxiliary support assembly for supporting the conveying auger blade is provided on the side of the sliding seat facing the rotary chuck. The auxiliary support assembly is provided with a left support wheel and a right support wheel symmetrically supported on both sides of the central axis of the conveying auger. The axes of the left support wheel and the right support wheel are parallel to the axis of the guide rail I. A support platform is connected to the sliding seat, and the left support wheel and the right support wheel are respectively installed on the support platform through supports, which is convenient for the quick installation of the conveying auger blade and the central axis on the full-automatic welding device described in the present utility model.

[0011] The technical problem to be solved by the present utility model can also be achieved through the following technical solution. The support platform is an L-shaped platform, and the support platform can be welded to the sliding seat for easy installation.

[0012] The technical problem to be solved by the present utility model can also be achieved through the following technical solution. The first driving mechanism includes a first motor installed at one end of the guide rail I and a lead screw provided above the welding platform. Both ends of the lead screw are installed on the welding platform through bearings, and one end of the lead screw is connected to the output shaft of the first motor. A nut cooperating with the lead screw is provided on the sliding seat to improve the positioning accuracy.

[0013] The technical problem to be solved by the present utility model can also be achieved through the following technical solution. The second driving mechanism includes a second motor installed on the moving seat and a rack installed on the welding platform. The rack is horizontally arranged, and a gear cooperating with the rack is installed on the output shaft of the second motor to improve the accuracy of the welding position.

[0014] Compared with the prior art, by providing a rotary chuck and a rotary seat, the present utility model can accurately position the welding position of the conveying auger blade through rotation, realize welding in the circumferential position and the axial position, and has strong welding flexibility. By moving the rotary seat, it is applicable to fixing conveying auger blades with different lengths and different diameters; by providing a controller, it realizes the full-automatic welding of the conveying auger blade, has a high degree of automation, saves time and effort, and has a high welding efficiency; by providing an auxiliary support assembly, it realizes the smooth installation of the conveying auger blade and the central axis. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the full-automatic welding device for the conveying auger blade described in the present utility model.

[0016] In the figure: 1 - Welding platform; 2 - Controller; 3 - Rotary chuck; 4 - Central shaft; 5 - Conveyor auger blade; 6 - Welding torch; 7 - Column; 8 - Guide rail I; 9 - Rotary seat; 10 - Lifting cylinder; 11 - Moving seat, 12 - Sliding seat, 13 - Fixed seat. Detailed implementation manner

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0018] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0019] Refer to Figure 1 , a fully automatic welding device for a conveyor auger blade. The device includes a welding platform 1 and a welding torch 6. The welding torch 6 is installed on the welding platform 1 through a moving mechanism. A guide rail I 8 is provided on the welding platform 1. One end of the guide rail I 8 is provided with a fixed installation mechanism for the conveyor auger blade 5, and the other end of the guide rail I 8 is provided with a movable top installation mechanism for cooperating with the fixed installation mechanism to adjust the installation position of the conveyor auger blade 5;

[0020] The fixed installation mechanism includes a fixed seat 13 and a rotary chuck 2 for positioning the welding position of the conveyor auger blade. The fixed seat is arranged on the welding platform 1 at one end of the guide rail I 8, and the rotary chuck 2 is installed on the fixed seat 13 and faces the movable installation mechanism;

[0021] The movable top installation mechanism includes a sliding seat 12 slidably matched with the guide rail I 8 and a lifting cylinder 10 fixed on the sliding seat 12. The lifting cylinder 10 is horizontally arranged. The end of the piston rod of the lifting cylinder 10 is provided with a rotary seat 9 that rotates synchronously with the rotary chuck 3. A card slot for cooperating with one end of the central shaft 4 of the auger blade is provided on the rotary seat 9;

[0022] The moving mechanism includes a guide rail II arranged parallel to the guide rail I 8 and a moving seat 11 slidably matched with the guide rail II. The welding torch 6 is installed on the moving seat 11 through a column 7;

[0023] A first driving mechanism for driving the sliding seat, a second driving mechanism for driving the moving seat, and a controller for controlling the first driving mechanism, the second driving mechanism, and the rotary chuck to achieve positioning welding are provided on the welding platform. The controller adopts any control system disclosed in the prior art that can control the number and position of welding points.

[0024] On one side of the sliding seat facing the rotary chuck, an auxiliary support assembly for supporting the conveying auger blade is provided. Since the conveying auger blade and the central shaft are relatively long, first estimate the position of the movable jacking mechanism, move the sliding seat 12 to the estimated position, then place one end of the central shaft of the conveying auger blade on the auxiliary support assembly, and then install the other end of the central shaft on the rotary chuck. After the central shaft is clamped on the rotary chuck, lift the other end of the central shaft from the auxiliary support assembly, and start the lifting cylinder again until the other end of the central shaft is clamped into the rotary seat slot, then the installation is completed.

[0025] The auxiliary support assembly is provided with a left support wheel 15 and a right support wheel symmetrically supported on both sides of the central shaft of the conveying auger. The axes of the left support wheel and the right support wheel are parallel to the axis of the guide rail I. A support platform 14 is connected to the sliding seat 12. The left support wheel 15 and the right support wheel are respectively installed on the support platform 14 through brackets. The support platform is an L-shaped platform.

[0026] The first driving mechanism includes a first motor installed at one end of the guide rail I and a lead screw provided above the welding platform. The two ends of the lead screw are installed on the welding platform through bearings. One end of the lead screw is connected to the output shaft of the first motor. A nut cooperating with the lead screw is provided on the sliding seat.

[0027] The second driving mechanism includes a second motor installed on the moving seat and a rack installed on the welding platform. The rack is horizontally arranged, and a gear cooperating with the rack is installed on the output shaft of the second motor. The first driving mechanism and the second driving mechanism include but are not limited to the above structures, and any driving body disclosed or commercially available in the prior art can also be adopted.

[0028] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An automatic welding device for a conveying auger blade, characterized in that, The device includes a welding platform and a welding torch. The welding torch is installed on the welding platform through a moving mechanism. A guide rail Ⅰ is provided on the welding platform. One end of the guide rail Ⅰ is provided with a fixed installation mechanism for conveying the auger blade, and the other end of the guide rail Ⅰ is provided with a movable top installation mechanism that cooperates with the fixed installation mechanism to adjust the installation position of the auger blade. The fixed installation mechanism includes a fixed seat and a rotating chuck for positioning the welding position of the auger blade. The rotating chuck is installed on the fixed seat and faces the movable installation mechanism. The movable top installation mechanism includes a sliding seat slidably matched with the guide rail Ⅰ and a jacking cylinder fixed on the sliding seat. The jacking cylinder is horizontally arranged. The end of the piston rod of the jacking cylinder is provided with a rotating seat that rotates synchronously with the rotating chuck. A clamping groove matched with one end of the central axis of the auger blade is provided on the rotating seat. The moving mechanism includes a guide rail Ⅱ arranged parallel to the guide rail Ⅰ and a moving seat slidably matched with the guide rail Ⅱ. The welding torch is installed on the moving seat through a column. On the welding platform, there is a first driving mechanism for driving the sliding seat, a second driving mechanism for driving the moving seat, and a controller for controlling the first driving mechanism, the second driving mechanism, and the rotating chuck to achieve positioning welding.

2. The fully automatic welding device for a conveying auger blade according to claim 1, characterized in that, On the side of the sliding seat facing the rotating chuck, there is an auxiliary support assembly for supporting the auger blade. The auxiliary support assembly is provided with a left support wheel and a right support wheel symmetrically supported on both sides of the central axis of the auger. The axes of the left support wheel and the right support wheel are arranged parallel to the axis of the guide rail Ⅰ. A support platform is connected to the sliding seat. The left support wheel and the right support wheel are respectively installed on the support platform through supports.

3. The fully automatic welding device for a conveying auger blade according to claim 2, characterized in that, The support platform is an L-shaped platform.

4. The full-automatic welding device for a conveying auger blade according to claim 1, wherein, The first driving mechanism includes a first motor installed at one end of the guide rail Ⅰ and a lead screw arranged above the welding platform. Both ends of the lead screw are installed on the welding platform through bearings. One end of the lead screw is connected to the output shaft of the first motor. A nut matched with the lead screw is provided on the sliding seat.

5. The fully automatic welding device for a conveying auger blade according to claim 1, characterized in that, The second driving mechanism includes a second motor installed on the moving seat and a rack installed on the welding platform. The rack is horizontally arranged. A gear matched with the rack is installed on the output shaft of the second motor.

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