Flat plate welding seam polishing mechanism

Abstract

The invention provides a flat welding seam polishing mechanism, and relates to the technical field of welding seam polishing, the flat welding seam polishing mechanism comprises a bearing mechanism for bearing a metal plate, and guide rails mounted at two ends of the bearing mechanism, a beam body is transversely mounted on the guide rails, a frame body capable of relatively sliding along the beam body is mounted below the beam body, and a polishing mechanism is suspended below one end of the frame body through a first support arm; the lower portion of the other end of the frame body is rotationally connected with a swing arm assembly through a second supporting arm, a first pressing wheel and a second pressing wheel are rotationally installed on the two sides of the swing arm assembly, the second pressing wheel is located on the two sides of the grinding mechanism, and when the grinding mechanism presses downwards, the swing arm assembly can be driven to press downwards at the same time, and the first pressing wheel and the second pressing wheel press and fix the metal plate downwards; according to the device, welded metal plates can be pressed downwards to keep the plane, in the weld joint polishing process, the two metal plates can be kept on the same plane, a weld joint is raised, the weld joint can be conveniently polished by a polishing mechanism, and the situation that the polishing mechanism polishes the weld joint by mistake or polishes the weld joint unsmoothly is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of weld polishing, and particularly to a flat weld polishing mechanism. Background Art

[0002] Metal plates are commonly used in the field of equipment manufacturing. When metal needs to be connected, it is generally connected by fixing parts or welding. In some specific fields, there should be no protruding connectors on the plate. At the same time, when dealing with the special bending or flat connection problems of the plate, only welding can be used to handle the connection of the plate. The principle of welding is to melt the metal through high temperature, and the melted part is then cooled and connected. The welded part generally protrudes from the surface of the metal, and the welded part needs to be polished by a grinding device to keep the surface of the plate flat.

[0003] In the welding work, after welding between two plates, the two sides of the weld cannot be kept completely flat, and an obtuse V shape will be formed. When grinding the weld, it may cause the welded part to not be flat with the plate, and the uneven grinding will affect the error of the plate thickness, and further affect the welding quality of the plate. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a flat weld polishing mechanism to solve the problem that the welds between plates cannot be polished evenly and flatly.

[0005] Based on the technical problems existing in the background art, the present invention proposes a flat weld polishing mechanism, which includes a loading mechanism for loading a metal plate, and guide rails installed at both ends of the loading mechanism. The guide rails are horizontally installed on the beam body. A frame body that can slide relative to the beam body is installed below the beam body. A grinding mechanism is suspended by a first support arm below one end of the frame body, and a swing arm assembly is rotatably connected by a second support arm below the other end of the frame body. A first pressing wheel and a second pressing wheel are rotatably installed on both sides of the swing arm assembly. The second pressing wheel is located on both sides of the grinding mechanism. When the grinding mechanism presses down, it can drive the swing arm assembly to press down simultaneously and make the first pressing wheel and the second pressing wheel press and fix the metal plate downward.

[0006] Preferably, the swing arm assembly includes a first swing arm, a triangular frame and a second swing arm. One end of the first swing arm is rotatably connected to the lower end of the second support arm. One end of the triangular frame is connected to the middle of the first swing arm. The middle of the triangular frame is connected to one end of the second swing arm. The first pressing wheel is installed at the end of the first swing arm close to the triangular frame. The end of the second swing arm far from the triangular frame is rotatably connected to the grinding mechanism and is provided with a telescopic mechanism. The second pressing wheel is rotatably connected to the driving end of the telescopic mechanism.

[0007] Preferably, there are two groups of first pressing wheels and they are located in front of the advancing direction of the grinding mechanism. The two groups of first pressing wheels are respectively located on both sides of the weld of the metal plate.

[0008] Preferably, there are two sets of second pressing wheels located on both sides of the grinding mechanism. The two sets of second pressing wheels are respectively located on both sides of the weld of the metal plate, and the grinding point of the grinding mechanism on the metal plate is located on the connection line of the two sets of second pressing wheels.

[0009] Preferably, the middle part of the tripod is hinged to the beam body through a first cylinder, and the middle part of the grinding mechanism is hinged through a second cylinder.

[0010] Preferably, the grinding mechanism is a belt grinding mechanism, and the grinding mechanism forms an inclined angle with the advancing direction.

[0011] Preferably, fixed pressing mechanisms for pressing and fixing the plate body that can be lifted are installed on both sides of the beam body.

[0012] Preferably, a dust suction mechanism communicated with the inside of the grinding mechanism is installed on the frame body.

[0013] Compared with the prior art, the flat weld polishing mechanism proposed by the present invention adopts the above technical solutions and achieves the following technical effects:

[0014] The present invention can press and hold the welded metal plate flat. During the process of grinding the weld, it can keep the two metal plates on the same plane and raise the weld, facilitating the grinding mechanism to grind the weld and avoiding the situation of the grinding mechanism grinding by mistake or uneven grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 is a schematic diagram of the installation of the grinding mechanism of the present invention;

[0017] Figure 3 is an enlarged schematic diagram of area a of the present invention.

[0018] In the figure: 1, bearing mechanism; 2, guide rail; 3, beam body; 4, frame body; 41, first arm; 5, grinding mechanism; 42, second arm; 6, swing arm assembly; 71, first pressing wheel; 72, second pressing wheel; 61, first swing arm; 62, tripod; 63, second swing arm; 64, telescopic mechanism; 81, first cylinder; 82, second cylinder; 9, pressing and fixing mechanism; 10, dust suction mechanism. DETAILED DESCRIPTION OF THE INVENTION

[0019] Embodiment

[0020] Refer to Figures 1 - 3, the present invention provides a flat weld polishing mechanism, including a loading mechanism 1 for loading a metal plate, and guide rails 2 installed at both ends of the loading mechanism 1. The guide rails 2 horizontally install a beam body 3. Below the beam body 3, a frame body 4 that can slide relative to the beam body 3 is installed. Below one end of the frame body 4, a grinding mechanism 5 is suspended by a first support arm 41. Below the other end of the frame body 4, a swing arm assembly 6 is rotatably connected by a second support arm 42. A first pressing wheel 71 and a second pressing wheel 72 are rotatably installed on both sides of the swing arm assembly 6. The second pressing wheel 72 is located on both sides of the grinding mechanism 5. When the grinding mechanism 5 presses down, it can drive the swing arm assembly 6 to press down simultaneously and make the first pressing wheel 71 and the second pressing wheel 72 press and fix the metal plate downward; in this solution, the loading mechanism 1 can provide a supporting effect for the plate body. There are rollers on the loading mechanism 1, and the rollers can facilitate the movement of the metal plate. In this application, the first pressing wheel 71 can first press down the metal plates on both sides of the weld, so that the double metal plates on both sides of the weld can push the weld upward. The second pressing wheel 72 is located on both sides of the grinding mechanism 5. After the first pressing wheel 71 presses down, the metal plate cannot completely make the metal plate in the same plane state, and the metal plate will also have a certain amount of rebound. After being pressed down by the second pressing wheel 72, the second pressing wheel 72 is located on both sides of the grinding mechanism 5 and the weld grinding point. During the grinding process, it can always maintain downward pressure on both sides of the grinding point, making both sides of the weld in a flat state, facilitating the grinding work of the weld.

[0021] In the specific implementation manner, referring to Figure 2 , Figure 3 , the swing arm assembly 6 includes a first swing arm 61, a triangular frame 62, and a second swing arm 63. One end of the first swing arm 61 is rotatably connected to the lower end of the second support arm 42. One end of the triangular frame 62 is connected to the middle of the first swing arm 61. The middle of the triangular frame 62 is connected to one end of the second swing arm 63. The first pressing wheel 71 is installed at the end of the first swing arm 61 close to the triangular frame 62. The end of the second swing arm 63 away from the triangular frame 62 is rotatably connected to the grinding mechanism 5 and is provided with a telescopic mechanism 64. The second pressing wheel 72 is rotatably connected to the driving end of the telescopic mechanism 64; in this solution, when running, the triangular frame 62 will press down through a first air cylinder 81. At this time, the triangular frame 62 will simultaneously drive the ends of the first swing arm 61 and the second swing arm 63 to press down. During the process of the triangular frame 62 pressing down, the grinding mechanism 5 will also press down through the second swing arm 63, and the grinding mechanism 5 will rotate, making one end of the grinding mechanism 5 press down and contact the weld. During the process of the two air cylinders pressing down, the interval between the first swing arm 61 and the second swing arm 63 will be widened, so it can be dealt with by the rotation of the triangular frame 62.

[0022] In the specific implementation manner, referring to Figure 2 , Figure 3, the first pressing wheels 71 include two groups and are located in front of the advancing direction of the grinding mechanism 5. The two groups of first pressing wheels 71 are respectively located on both sides of the weld of the metal plate. In this solution, the two groups of first pressing wheels 71 are located on both sides of the weld, and preferably press down the plate bodies on both sides of the weld, causing the plate bodies to deform. The obtuse V-shaped angle formed by welding the two plate bodies gradually tends to a flat angle. At this time, the weld can be made higher than the plane of the metal plate, facilitating the grinding mechanism 5 to grind the weld.

[0023] In the specific implementation manner, refer to Figure 2 , Figure 3 , the second pressing wheels 72 include two groups and are located on both sides of the grinding mechanism 5. The two groups of second pressing wheels 72 are respectively located on both sides of the weld of the metal plate. The grinding point of the grinding mechanism 5 and the metal plate is located on the connection line of the two groups of second pressing wheels 72. In this solution, the second pressing wheels 72 can further press down the metal plate. After the first pressing wheels 71 press down the metal plate and cause deformation, there will also be a springback phenomenon. Therefore, the second pressing wheels 72 can further press down the metal plate, and the connection line of the contact points where the two groups of second pressing wheels 72 press down the metal plate is in a straight line with the grinding point. Then, the grinding point can maintain a flat state under the pressing of the second pressing wheels 72 and can be ground completely.

[0024] In the specific implementation manner, refer to Figure 2 , Figure 3 , the middle part of the tripod 62 is hinged to the beam body 3 through the first cylinder 81, and the middle part of the grinding mechanism 5 is hinged through the second cylinder 82. The first cylinder 81 is used to drive the tripod 62, and the second cylinder 82 is used to drive the grinding mechanism 5.

[0025] In the specific implementation manner, refer to Figure 2 , Figure 3 , the grinding mechanism 5 is a belt-type grinding mechanism 5, and the grinding mechanism 5 forms an inclined angle with the advancing direction. In this solution, the inclination of the grinding mechanism 5 can facilitate the uniform wear of the grinding belt in the grinding machine and improve the service life of the grinding belt.

[0026] In the specific implementation manner, refer to Figure 1 , fixed pressing mechanisms 9 for pressing and fixing the plate body that can be lifted are installed on both sides of the beam body 3. In this solution, the fixed pressing mechanisms 9 are used to assist in pressing and fixing the metal plate, pressing down the metal plate, and causing the metal plate to deform and maintain a flat state.

[0027] In the specific implementation manner, refer to Figure 1 , a dust suction mechanism 10 communicating with the inside of the grinding mechanism 5 is installed on the frame body 4. The dust suction mechanism 10 in this solution is used to suck the welding slag and sundries generated during grinding and keep the grinding clean.

[0028] The above are only the preferred specific embodiments 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 should cover the protection scope of the present invention by making equivalent substitutions or changes according to the technical solution and inventive concept of the present invention.

Claims

1. A flat plate weld polishing mechanism, characterized in that: The invention comprises a bearing mechanism (1) for bearing a metal plate, and guide rails (2) installed at both ends of the bearing mechanism (1), wherein the guide rails (2) are transversely installed with a beam body (3), a frame body (4) which can slide relatively along the beam body (3) is installed below the beam body (3), a grinding mechanism (5) is suspended below one end of the frame body (4) through a first support arm (41), and a swing arm assembly (6) is rotatably connected below the other end of the frame body (4) through a second support arm (42), a first pressing wheel (71) and a second pressing wheel (72) are rotatably installed on both sides of the swing arm assembly (6), and the second pressing wheel (72) is located on both sides of the grinding mechanism (5), and when the grinding mechanism (5) is pressed down, the swing arm assembly (6) can be driven to be pressed down at the same time, and the first pressing wheel (71) and the second pressing wheel (72) can press the metal plate downward.

2. The flat plate weld polishing mechanism according to claim 1, characterized in that: The swing arm assembly (6) comprises a first swing arm (61), a tripod (62) and a second swing arm (63); one end of the first swing arm (61) is rotatably connected to the lower end of the second support arm (42); one end of the tripod (62) is connected to the middle part of the first swing arm (61); the middle part of the tripod (62) is connected to one end of the second swing arm (63); a first pressing wheel (71) is mounted on the end of the first swing arm (61) close to the tripod (62); one end of the second swing arm (63) away from the tripod (62) is rotatably connected to the grinding mechanism (5); and a telescopic mechanism (64) is mounted thereon; the second pressing wheel (72) is rotatably connected to the driving end of the telescopic mechanism (64).

3. The flat plate weld polishing mechanism according to claim 1, characterized in that: The first pressing wheels (71) include two groups and are located in front of the grinding mechanism (5) in the forward direction. The two groups of first pressing wheels (71) are respectively located on both sides of the metal plate welding seam.

4. The flat plate weld polishing mechanism according to claim 1, characterized in that: The second pressing wheels (72) include two groups and are located on both sides of the grinding mechanism (5). The two groups of second pressing wheels (72) are respectively located on both sides of the metal plate weld. The grinding point of the grinding mechanism (5) and the metal plate is located on the connection line of the two groups of second pressing wheels (72).

5. The flat plate weld polishing mechanism according to claim 2, characterized in that: The middle part of the tripod (62) is hinged to the beam body (3) via a first cylinder (81), and the middle part of the grinding mechanism (5) is hinged via a second cylinder (82).

6. The flat plate weld polishing mechanism according to claim 1, characterized in that: The grinding mechanism (5) is a belt-type grinding mechanism (5), and the grinding mechanism (5) forms an inclined angle with the advancing direction.

7. The flat plate weld polishing mechanism according to claim 1, characterized in that: A fixing and pressing mechanism (9) capable of lifting and lowering a pressing and fixing plate body is installed on both sides of the beam body (3).

8. The flat plate weld polishing mechanism according to claim 1, characterized in that: A dust collecting mechanism (10) which is in communication with the interior of the grinding mechanism (5) is installed on the frame (4).

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