Sleeve connecting plate laser welding machine

Abstract

The utility model discloses a sleeve connecting plate laser welding machine, which relates to the technical field of laser welding equipment, and comprises an operation table, a laser welding device and a laser welding head, a fixed base is arranged at the top of the outer wall of the operation table, and a supporting mechanical rod is arranged at the top of the outer wall of the fixed base. The tail end of the supporting mechanical rod is connected with a mechanical connecting rod through a movable shaft, the tail end of the mechanical connecting rod is connected with a mechanical support through a movable shaft, the tail end of the mechanical support is connected with a supporting rod, a laser welding device is installed at the tail end of the outer wall of the supporting rod, and a laser welding head is installed at the tail end of the outer wall of the laser welding device. By installing the supporting mechanical rod, the mechanical connecting rod and the mechanical support, accurate positioning of the height, the angle and the transverse position of the laser welding head in a three-dimensional space is achieved, and high-quality welding of a joint of a sleeve of a complex structure and a connecting plate is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field, concretely is a sleeve connecting plate laser welding machine. BACKGROUND

[0002] The welding of sleeve and connecting plate is a key technology in the fields of petrochemical industry, aerospace, automobile manufacturing, etc., and is used for constructing core components such as tube plate heat exchanger and hydraulic pipeline system.

[0003] However, the existing defects are that the traditional gas welding process has a raised weld, and the weld has large fluctuation, which increases the assembly difficulty, and the welding process has insufficient weld penetration, poor sealing, which leads to the weld being prone to acid return in outdoor environments such as power transmission, and the workpiece is prone to rust from the inside to the outside, resulting in reduced reliability and shortened service life.

[0004] Patent CN221494618U discloses a kind of high-efficiency laser automatic welding machine, the angle adjusting structure of the patent can be adjusted to the angle of horizontal motion structure as a whole, and the height can be adjusted by cooperating with electric lifting rod, which can reduce the movement of materials and increase the welding efficiency. However, the welding process and multi-angle welding of the above-mentioned patent still have optimization space.

[0005] Therefore, the utility model provides a sleeve connecting plate laser welding machine capable of realizing multi-angle adjustment. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a sleeve connecting plate laser welding machine to solve the problems of raised weld, large weld fluctuation and insufficient weld penetration of the traditional gas welding process in the background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sleeve connecting plate laser welding machine, comprising an operating table, a laser welding device and a laser welding head, a fixed base is installed on the top outer wall of the operating table, a support mechanical rod is installed on the top outer wall of the fixed base, a mechanical connecting rod is connected to the end of the support mechanical rod through a movable shaft, a mechanical support is connected to the end of the mechanical connecting rod through a movable shaft, a support rod is connected to the end of the mechanical support, a laser welding device is installed on the outer wall end of the support rod, and a laser welding head is installed on the outer wall end of the laser welding device.

[0008] A base is installed on the top outer wall of the operating table, a gear sliding rod is installed on the top outer wall of the base, a lifting support is installed on the outer wall of the gear sliding rod, a fixed rod is connected to the outer wall of the lifting support, a down pressure cylinder is installed on the outer wall end of the fixed rod, a lifting rod is installed on the bottom end of the outer wall of the down pressure cylinder, and a mechanical clamp is installed on the bottom of the outer wall of the lifting rod.

[0009] Preferably, the top of the operating platform is provided with a welding workbench.

[0010] Preferably, the top of the outer wall of the operating platform is provided with a cylindrical rod, and the top of the outer wall of the cylindrical rod is connected with an extension rod.

[0011] Preferably, the top of the outer wall of the welding workbench is provided with a high-temperature protection layer.

[0012] Preferably, the top of the outer wall of the cylindrical rod is connected with an extension rod, and the end of the outer wall of the extension rod is provided with an operation control screen.

[0013] Preferably, the top of the outer wall of the base is provided with a gear sliding rod, and the two sides of the gear sliding rod are provided with a transmission gear set.

[0014] Preferably, the end of the mechanical connecting rod is connected with a mechanical support through a movable shaft, and the end of the outer wall of the mechanical support is provided with a rotating shaft.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses a support mechanical rod, a mechanical connecting rod and a mechanical support are installed, realize the full -range accurate adjustment of laser welding head in horizontal, vertical and angle, break through the limitation that traditional welding machine only supports single -shaft or double -shaft adjustment, especially applicable to the complex structure welding such as special-shaped sleeve pipe, inclined connecting plate joint, and the adaptability greatly promotes.

[0017] 2. The utility model discloses a lower pressure cylinder, a mechanical clamp and a lifting rod are installed, realize the real -time compensation workpiece thermal deformation and assembly tolerance of the dynamic adjustable pressure of adding, ensure that the joint is closely attached in the welding process, solve the problem of welding seam misplacement or uneven depth caused by traditional rigid clamping. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the perspective view of the utility model;

[0019] Figure 2 It is the front view of the utility model;

[0020] Figure 3 It is the left view of the utility model;

[0021] Figure 4 It is the plan view of the utility model;

[0022] Figure 5 It is the local view of the laser welding device of the utility model;

[0023] Figure 6 It is the operation control screen diagram of the utility model;

[0024] Figure 7 It is the front view of the mechanical clamp of the utility model;

[0025] Figure 8 The mechanical tongs side view of the utility model.

[0026] In the figure: 1, operation platform;2, support mechanical pole;3, mechanical connecting rod;4, mechanical support;5, support pole;6, gear sliding pole;7, lifting support;8, fixed pole;9, down-pressing air cylinder;10, lifting pole;11, mechanical tongs;12, cylindrical pole;13, operation control screen;14, laser welder;15, welding workbench;16, fixed base;17, base;18, laser welding head;19, telescopic pole;20, rotating shaft;21, transmission gear set;22, high-temperature protection layer. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative efforts fall within the protection scope of the utility model.

[0028] In the description of the utility model, it needs to be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like are the directions or position relations shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated devices or elements must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] Embodiment one: as Figure 1 and Figure 5As shown, a sleeve connecting plate laser welding machine includes an operating table 1, a laser welding device 14 and a laser welding head 18, the outer wall top of the operating table 1 is provided with a fixed base 16, the outer wall top of the fixed base 16 is provided with a support mechanical rod 2, the tail end of the support mechanical rod 2 is connected with a mechanical connecting rod 3 through a movable shaft, the tail end of the mechanical connecting rod 3 is connected with a mechanical support 4 through a movable shaft, the tail end of the mechanical support 4 is connected with a support rod 5, the outer wall tail end of the support rod 5 is provided with the laser welding device 14, the outer wall tail end of the laser welding device 14 is provided with the laser welding head 18, the outer wall top of the operating table 1 is provided with a base 17, the outer wall top of the base 17 is provided with a gear sliding rod 6, the outer wall of the gear sliding rod 6 is provided with a lifting support 7, the outer wall of the lifting support 7 is connected with a fixed rod 8, the outer wall tail end of the fixed rod 8 is provided with a pressing cylinder 9, the outer wall bottom end of the pressing cylinder 9 is provided with a lifting rod 10, and the outer wall bottom of the lifting rod 10 is provided with a mechanical clamp 11;

[0031] Further, the operating table 1 provides a mounting position for the fixed base 16, the fixed base 16 provides a mounting position for the support mechanical rod 2, the support mechanical rod 2 can rotate the mechanical connecting rod 3 through the movable shaft, the movable shaft at the tail end of the mechanical connecting rod 3 can rotate the mechanical support 4, the mechanical support 4 connects the support rod 5 through the rotating shaft 20 to enable the support rod 5 to rotate, and the support rod 5 provides a flexible movement range for the laser welding device 14. The laser welding device 14 emits laser light at the laser welding head 18 through internal action, so that the laser beam irradiates the welding area at the best incidence angle. Through high-degree coordinated adjustment, the structure effectively solves the poor adaptability of traditional welding machines to complex structural parts, and improves the welding quality and production efficiency.

[0032] Embodiment two: as shown in Figure 2 and Figure 4 A sleeve connecting plate laser welding machine, the outer wall top of the operating table 1 is provided with a base 17, the outer wall top of the base 17 is provided with a gear sliding rod 6, the outer wall of the gear sliding rod 6 is provided with a lifting support 7, the outer wall of the lifting support 7 is connected with a fixed rod 8, the outer wall tail end of the fixed rod 8 is provided with a pressing cylinder 9, the outer wall bottom end of the pressing cylinder 9 is provided with a lifting rod 10, and the outer wall bottom of the lifting rod 10 is provided with a mechanical clamp 11, the outer wall top of the base 17 is provided with a gear sliding rod 6, and the two sides of the gear sliding rod 6 are provided with a transmission gear set 21.

[0033] Further, the operating table 1 provides a mounting position for the base 17, the base 17 provides a bottom fixing position for the gear sliding rod 6, the gear sliding rod 6 provides a mounting position for the lifting support 7, and the gear sliding rod 6 is provided with a transmission gear set 21 on both sides, so that the gears in the lifting support 7 and the gears in the transmission gear set 21 are meshed with each other to realize free lifting.

[0034] Embodiment three: as shown in Figure 2 and Figure 7As shown, a sleeve and plate laser welding machine, the operating platform 1 outer wall top is installed with base 17, the base 17 outer wall top is installed with gear sliding rod 6, the gear sliding rod 6 outer wall is installed with lifting support 7, the lifting support 7 outer wall is connected with fixed rod 8, the fixed rod 8 outer wall end is installed with down pressure cylinder 9, the down pressure cylinder 9 outer wall bottom end is installed with lifting rod 10, the lifting rod 10 outer wall bottom is installed with mechanical clamp 11;

[0035] Further, the gear sliding rod 6 provides a mounting position for the lifting support 7, the lifting support 7 provides a fixed position for the fixed rod 8, the end of the fixed rod 8 is fixed with the down pressure cylinder 9, the down pressure cylinder 9 is transmitted to the mechanical clamp 11 through the lifting rod 10 to apply a constant pressure to the welding workbench 15 to eliminate the assembly gap of the workpiece and ensure the tight fit of the joint.

[0036] Embodiment four: as shown in Figure 1 and Figure 6 As shown, a sleeve and plate laser welding machine, the operating platform 1 outer wall top is installed with cylindrical rod 12, the cylindrical rod 12 outer wall top end is connected with telescopic rod 19, the telescopic rod 19 outer wall end is installed with operation control screen 13;

[0037] Further, the operating platform 1 provides a mounting position for the cylindrical rod 12, and the end of the cylindrical rod 12 provides a mounting position for the telescopic rod 19. In order to facilitate the adjustment of the operation control screen 13 installed at the end of the telescopic rod 19, the operation control screen 13 is set with welding parameter pipe diameter and plate thickness to make the mechanical clamp 11 act on the welding piece. The infrared thermal imaging module in the operation control screen 13 can monitor the temperature in the welding workbench 15 to dynamically adjust the laser power to ensure high-precision welding.

[0038] Working principle: before using the sleeve and plate laser welding machine, confirm that the control system of the operation control screen 13 is normal, check the cleanliness of the laser welder 14 and the laser welding head 18 to ensure that there is no obstruction or pollution.

[0039] First, the sleeve and plate group is placed on the welding workbench 15 after being clamped, the operation control screen 13 controls the mechanical clamp 11 to clamp the welding piece, the down pressure cylinder 9 is started to drive the lifting rod 10 to move downward, the mechanical clamp 11 applies vertical pressure to the workpiece to eliminate the assembly gap. The fixed rod 8 and the lifting support 7 are linked to adjust the position of the mechanical clamp 11 through the gear sliding rod 6 to ensure that the joint is aligned with the working range of the welding head.

[0040] Then the operation control screen 13 controls the movable shaft of the support mechanical lever 2 and the mechanical connecting rod 3, drives the mechanical support 4 and the support lever 5 to move vertically, preliminarily positions the laser welding head 18 above the weld seam, then controls the movable shaft between the mechanical connecting rod 3 and the mechanical support 4 to drive the support lever 5 and the laser welder 14 to move horizontally, and then the operation control screen 13 controls the rotating shaft 20 between the mechanical support 4 and the support lever 5 to accurately align the laser focal point with the seam plane, the laser welder 14 emits a laser beam at the laser welding head 18 to act on the welding workpiece, at this time the high-temperature protection layer 22 protects the welding workbench 15 from high-temperature deformation. The operation control screen 13 integrated with the infrared thermal imaging module can monitor the welding temperature and dynamically adjust the laser power.

[0041] After the welding is completed, the laser welder 14 stops outputting, the downward cylinder 9 retracts the lifting lever 10, the mechanical clamp 11 releases the workpiece, the support mechanical lever 2, the mechanical connecting rod 3, the mechanical support 4 and the support lever 5 are reset to the initial angle through the movable shaft, and the gear sliding lever 6 drives the lifting support 7 to retract to a safe height, preparing for the next work cycle.

[0042] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A laser sleeve and strap welding machine comprising an operating table (1), a laser welder (14) and a laser welding head (18), characterized in that: The operating platform (1) is provided with a fixed base (16) on the top of the outer wall, a supporting mechanical rod (2) is installed on the top of the outer wall of the fixed base (16), a mechanical connecting rod (3) is connected to the end of the supporting mechanical rod (2) through a movable shaft, a mechanical support (4) is connected to the end of the mechanical connecting rod (3) through a movable shaft, a supporting rod (5) is connected to the end of the mechanical support (4), a laser welder (14) is installed on the outer wall of the end of the supporting rod (5), and a laser welding head (18) is installed on the outer wall of the end of the laser welder (14). The operating platform (1) is provided with a base (17) on the top of the outer wall, a gear sliding rod (6) is installed on the top of the outer wall of the base (17), a lifting support (7) is installed on the outer wall of the gear sliding rod (6), a fixed rod (8) is connected to the outer wall of the lifting support (7), a downward pressing air cylinder (9) is installed on the outer wall of the end of the fixed rod (8), a lifting rod (10) is installed on the bottom of the outer wall of the downward pressing air cylinder (9), and a mechanical clamp (11) is installed on the bottom of the outer wall of the lifting rod (10).

2. A laser tube and web welding machine as defined in claim 1, characterized in that: The operating platform (1) is provided with a welding workbench (15) on the top.

3. A laser tube and web welding machine as defined in claim 1 wherein: The operating platform (1) is provided with a cylindrical rod (12) on the top of the outer wall, and a telescopic rod (19) is connected to the top end of the outer wall of the cylindrical rod (12).

4. A laser tube and web welding machine as defined in claim 2 wherein: The welding workbench (15) is provided with a high-temperature protection layer (22) on the top.

5. A laser tube and web welding machine as defined in claim 3 wherein: The telescopic rod (19) is connected to the top end of the outer wall of the cylindrical rod (12), and an operation control screen (13) is installed on the end of the outer wall of the telescopic rod (19).

6. A laser tube and web welding machine as defined in claim 1 wherein: The base (17) is provided with a gear sliding rod (6) on the top of the outer wall, and a transmission gear set (21) is installed on the two sides of the gear sliding rod (6).

7. A laser tube and web welding machine as defined in claim 1 wherein: The mechanical connecting rod (3) is connected to the end of the mechanical support (4) through a movable shaft, and a rotating shaft (20) is installed on the end of the outer wall of the mechanical support (4).

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