Laser-electric arc hybrid welding butt joint clamp

Abstract

The utility model discloses a laser-arc hybrid welding butt joint clamp, which comprises a clamp plate, a clamping device, a nut block, a screw rod, a guide rail, a platform plate, a knob, a rolling bearing, a bearing seat and a sliding block, the clamping device can slide in a sliding chute at the top of the clamp plate, the clamp plate is connected with the nut and the sliding block, the screw rod and the nut form a screw pair, and the guide rail is arranged on the guide rail. The guide rail is connected with the platform plate, the sliding block and the guide rail form a moving pair, the screw rod is connected with the platform plate through a rolling bearing, the screw rod and the platform plate form a rotating pair, the rotary knobs are installed at the two ends of the screw rod, the rotary knobs are rotated to convert rotary motion of the screw rod into linear motion of the clamp plate, butt joint of workpieces is achieved, and the clamping device is rotated to clamp the workpieces. The laser-electric arc hybrid welding butt joint clamp is convenient to operate, the welding efficiency and stability can be improved, and the welding quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of laser-arc composite welding, in particular to a laser-arc composite welding butt clamp. Background Art

[0002] Laser-arc hybrid welding technology is a welding technology that combines two heat sources with different physical properties and energy transmission mechanisms, laser beam and arc, and acts on the same processing position at the same time. The principle is: when the laser heat source acts alone, dense plasma may be generated above the molten pool, which can be diluted by the low-density plasma generated by the arc, thereby further improving the transmission efficiency of the laser. In addition, due to the thermal effect of the arc, the melted metal irradiated by the laser can improve the absorption efficiency of the light beam, avoid the loss of laser energy, and obtain a greater melting depth. When performing laser-arc hybrid welding, it is necessary to butt the two welded workpieces and then clamp the workpieces with a clamping tool. However, when the workpieces are manually butt-jointed, there will inevitably be a certain gap between the two welded workpieces due to operational errors. On the one hand, the existence of the gap will affect the workpiece's absorption efficiency of the heat source, thereby affecting the formation of the weld; on the other hand, there is air in the gap. When the gap is large, the air in the gap will cause the number of pores inside the weld to increase, affecting the mechanical properties of the weld. Therefore, a clamp is needed for butt-jointing workpieces during laser-arc hybrid welding. Utility Model Content

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a laser-arc hybrid welding butt clamp which is easy to operate, can improve welding efficiency and stability, and ensure welding quality.

[0004] The utility model proposes a laser-arc hybrid welding butt clamp, comprising a platform plate (6), a guide rail (5), a clamp plate (1), a clamping device (2), a screw (4), a knob (7), a rolling bearing (8) and a bearing seat (9), wherein the guide rail (5) is fixed on the platform plate (6), a slider (10) is slidably mounted on the guide rail (5), the slider (10) and the guide rail (5) form a moving pair, the clamp plate (1) is fixed on the slider (10), the bearing seat (9) is fixed on the platform plate (6), and the rolling bearing (8) is mounted on the shaft In the support seat (9), the screw rod (4) is rotatably installed and penetrated in the rolling bearing (8), the knob (7) is installed at both ends of the screw rod (4), a nut block (3) is fixed at the bottom of the clamp plate (1), the screw rod (4) is penetrated in the nut block (3), the screw rod (4) and the nut block (3) form a spiral pair, the screw rod (4) and the platform plate (6) form a rotating pair, the clamping device (2) is rotatably installed on the clamp plate (1), and a slide groove is opened on the top of the clamp plate (1), and the clamping device (2) can slide in the slide groove.

[0005] Furthermore, the guide rails (5) are two and are fixed symmetrically at the front and rear ends of the platform plate (6), the bearing seats (9) are two and are fixed symmetrically at the middle of the left and right ends of the platform plate (6), and the screw rod (4) is arranged parallel to the guide rails (5) and is located in the middle of the platform plate (6).

[0006] Furthermore, the number of the clamping plates (1) is two and they are arranged symmetrically on the left and right, and the clamping device (2) is composed of two clamping rods.

[0007] Furthermore, the thread rotation directions of the two end portions of the screw rod (4) are arranged in opposite directions, and the middle portion of the screw rod (4) is a smooth rod.

[0008] Furthermore, the slide groove and the screw rod are arranged vertically, and the fixture plate (1) is provided with a transverse U-shaped groove for placing the workpiece.

[0009] Furthermore, the fixture plate (1) and the platform plate (6) maintain a parallel relationship.

[0010] According to the above scheme, the utility model has at least the following advantages: the laser-arc hybrid welding butt clamp can realize the clamping and butt connection of the welding workpieces, prevent the gap between the two workpieces from affecting the forming quality of the weld and the mechanical properties of the weld during the laser-arc hybrid welding project, and is easy to operate. The spacing of the clamping device and the relative position of the two clamp plates can be adjusted according to the size of the workpiece, thereby improving the efficiency and stability of the laser-arc hybrid welding.

[0011] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the laser-arc hybrid welding butt fixture;

[0013] Figure 2 It is a front view of the laser-arc hybrid welding butt fixture;

[0014] Figure 3 It is a top view of the laser-arc hybrid welding butt fixture;

[0015] Figure 4 It is the right view of the laser-arc hybrid welding butt fixture;

[0016] Figure 5 It is a cross-sectional view of the AA surface of the laser-arc hybrid welding butt fixture;

[0017] Figure 6 It is a cross-sectional view of the BB surface of the laser-arc hybrid welding butt fixture. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] Example: Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the laser-arc hybrid welding butt fixture includes a fixture plate 1, a clamping device 2, a nut block 3, a screw 4, a guide rail 5, a platform plate 6, a knob 7, a rolling bearing 8, a bearing seat 9, a slider 10, a countersunk hole 11, and a hexagon socket bolt 12. A slide groove for installing the clamping device 2 is provided on the top of the fixture plate 1, and the clamping device 2 can slide in the slide groove. A countersunk hole 11 is provided at the bottom, and is connected to the nut block 3 and the slider 10 with the hexagon socket bolt 12;

[0020] like Figure 2 , Figure 4 As shown, knobs 7 are installed at the extended sections at both ends of the screw rod 4, and the slider 10 and the guide rail 5 form a moving pair;

[0021] like Figure 3 , Figure 5As shown, the screw 4 cooperates with the rolling bearing 8 and is installed on the platform plate 6 through the bearing seat 9. The screw 4 and the platform plate 6 form a rotating pair, and the screw 4 and the nut block 3 form a spiral pair. Turning the knob 7 can convert the rotary motion of the screw 4 into the linear motion of the fixture plate 1 to achieve the docking of the welding workpieces.

[0022] Usage steps: (1) Before use, turn the knob 7 to adjust the relative position of the two clamp plates 1 according to the size of the welding workpiece;

[0023] (2) When in use, place the workpiece flat in the transverse U-shaped groove of the fixture plate 1, and rotate the clamping device 2 to clamp the workpiece on the fixture plate 1;

[0024] (3) Turn the knob 7, and the workpiece moves relative to the two fixture plates 1 in a straight line until the two workpieces are butted against each other and the knob 7 can no longer be turned, and then the laser-arc hybrid welding is performed;

[0025] (4) After welding is completed, turn the clamping device 2 to loosen the workpiece, and then turn the knob 7 to make the two clamping plates 1 move in opposite directions to remove the workpiece.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A laser-arc hybrid welding butt fixture, characterized in that: The invention comprises a platform plate (6), a guide rail (5), a fixture plate (1), a clamping device (2), a screw rod (4), a knob (7), a rolling bearing (8) and a bearing seat (9), wherein the guide rail (5) is fixed on the platform plate (6), a slider (10) is slidably mounted on the guide rail (5), the slider (10) and the guide rail (5) form a moving pair, the fixture plate (1) is fixed on the slider (10), the bearing seat (9) is fixed on the platform plate (6), the rolling bearing (8) is mounted in the bearing seat (9), and the screw rod (4) is fixed on the platform plate (6). 4) is rotatably installed and inserted into the rolling bearing (8), the knob (7) is installed at both ends of the screw rod (4), a nut block (3) is fixed at the bottom of the clamp plate (1), the screw rod (4) is inserted into the nut block (3), the screw rod (4) and the nut block (3) form a spiral pair, the screw rod (4) and the platform plate (6) form a rotating pair, the clamping device (2) is rotatably installed and lifted on the clamp plate (1), and a slide groove is opened on the top of the clamp plate (1), and the clamping device (2) can slide in the slide groove.

2. The laser-arc hybrid welding butt fixture according to claim 1 is characterized in that: The guide rails (5) are two and are fixed symmetrically at the front and rear ends of the platform plate (6); the bearing seats (9) are two and are fixed symmetrically at the middle of the left and right ends of the platform plate (6); the screw rod (4) is arranged parallel to the guide rails (5) and is located in the middle of the platform plate (6).

3. The laser-arc hybrid welding butt fixture according to claim 2 is characterized in that: The clamping plates (1) are two and are arranged in a left-right symmetrical manner, and the clamping device (2) is composed of two clamping rods.

4. The laser-arc hybrid welding butt fixture according to claim 3 is characterized in that: The thread rotation directions of the two end portions of the screw rod (4) are opposite, and the middle portion of the screw rod (4) is a smooth rod.

5. The laser-arc hybrid welding butt fixture according to claim 4 is characterized in that: The slide groove and the screw rod are arranged vertically, and the fixture plate (1) is provided with a transverse U-shaped groove for placing the workpiece.

6. The laser-arc hybrid welding butt fixture according to claim 5 is characterized in that: The fixture plate (1) and the platform plate (6) maintain a parallel relationship.

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