A laser spot welding machine pressure head

Abstract

The utility model discloses a laser spot welding machine pressure head, this pressure head includes the oblique arm, the oblique arm top end fixed link has the connection arm that presents the vertical extension, is equipped with a plurality of assembly holes to the connection arm side, the oblique arm bottom fixed link has the pressure block that presents the horizontal extension, the pressure block bottom middle part fixed connection has the cylindrical pressure head for pressing positioning, the pressure block top surface middle part is equipped with the rectangular through -hole that passes through up and down, the one side of rectangular through -hole inner wall is equipped with the gas blowing channel for the gas import that extends to the pressure block outside, the cylindrical pressure head bottom is equipped with two through -hole that passes through up and down, this pressure head can be accurate to pressurize and position to the welding workpiece through the cylindrical pressure head of pressure block bottom, prevents the welding displacement, and simultaneously, the rectangular through -hole, gas blowing channel and through -hole form the thoroughfare, can efficient gas guiding and discharge welding residue smoke, guarantee the welding area clean, improve laser welding penetration effect and quality, satisfy laser welding stable operation demand finally.

Description

Technical Field

[0001] This utility model relates to the field of laser welding technology, and in particular to a laser spot welding machine pressure head. Background Technology

[0002] The laser spot welding machine pressure head is a core auxiliary component in laser welding operations. It is primarily used to position and apply pressure to the workpiece, while also providing auxiliary functions such as gas introduction and residue removal to ensure a stable welding process. Existing pressure heads suffer from poor installation compatibility, cumbersome disassembly and assembly procedures, uneven structural stress during pressure application, poor gas flow, and untimely residue removal. These issues limit welding efficiency, make it difficult to guarantee weld quality, and fail to meet the demands of efficient and precise welding operations.

[0003] Therefore, those skilled in the art have provided a laser spot welding machine pressure head to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a laser spot welding machine pressure head.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A laser spot welding machine pressure head includes an inclined arm, the top of which is integrally formed and fixed to a vertically extending connecting arm, and the side of the connecting arm is provided with a plurality of assembly holes for adapting to an external mounting structure.

[0007] The bottom end of the tilting arm is integrally formed and fixedly connected to a horizontally extending pressure block, and the middle part of the bottom end of the pressure block is fixedly connected to a cylindrical pressure head for applying pressure and positioning.

[0008] A rectangular through hole is provided in the middle of the top surface of the pressure block, and an air blowing channel is provided on one side of the inner wall of the rectangular through hole, which extends to the outside of the pressure block for introducing gas.

[0009] The bottom end of the cylindrical pressure head has two through holes running vertically through it.

[0010] Preferably, the two through holes are symmetrically distributed about the central axis of the cylindrical pressure head, and the two through holes are independently separated from each other, while both are connected to the rectangular through hole.

[0011] Preferably, the top of the outer side of the connecting arm is provided with a stepped connecting groove for adapting to the connecting end of an external component, and the plurality of assembly holes are all provided on the side wall of the stepped connecting groove.

[0012] Preferably, both through holes are through structures with rectangular cross-sections, and the overall outline size formed by the two through holes along their periphery matches the inner wall size of the rectangular through hole.

[0013] Preferably, the connection between the tilting arm and the connecting arm, and the connection between the tilting arm and the pressure block, both adopt a rounded corner transition structure.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] The stepped connecting groove of the connecting arm can precisely adapt to external components, and the mounting holes on the side wall allow for fasteners to pass through, greatly simplifying the disassembly and assembly process of the pressure head and welding machine, and improving the convenience of installation and subsequent maintenance; the cylindrical pressure head at the bottom of the pressure block can stably apply pressure to position the workpiece being welded, effectively preventing workpiece displacement during welding; and the rectangular through hole and air blowing channel of the pressure block and the through hole of the cylindrical pressure head form a smooth path, which can efficiently introduce gas, promptly remove welding residue, and ensure that the laser accurately acts on the welding point, significantly improving welding efficiency and weld quality, and meeting the stable and efficient requirements of laser welding operations. Attached Figure Description

[0016] To illustrate the technical solutions in the embodiments of the present invention or the prior art more specifically and intuitively, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0017] Figure 1 This is a schematic diagram of the pressure head structure of the laser spot welding machine proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the cylindrical pressure head installation structure proposed in this utility model;

[0019] Figure 3 This is a schematic diagram of the air blowing channel structure proposed in this utility model.

[0020] In the diagram: 1. Inclined arm; 2. Connecting arm; 3. Assembly hole; 4. Pressure block; 5. Columnar pressure head; 6. Rectangular through hole; 7. Guide hole; 8. Air blowing channel. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figure 1-3 A laser spot welding machine pressure head includes an inclined arm 1, with a vertically extending connecting arm 2 integrally formed and fixed to the top of the inclined arm 1, and multiple assembly holes 3 for adapting to external installation structures on the side of the connecting arm 2.

[0023] The bottom end of the tilting arm 1 is integrally formed and fixedly connected to a horizontally extending pressure block 4, and the middle of the bottom end of the pressure block 4 is fixedly connected to a cylindrical pressure head 5 for applying pressure and positioning.

[0024] A rectangular through hole 6 is provided in the middle of the top surface of the pressure block 4, and an air blowing channel 8 is provided on one side of the inner wall of the rectangular through hole 6, which extends to the outside of the pressure block 4 for introducing gas.

[0025] The bottom end of the cylindrical pressure head 5 has two through holes 7 that run vertically through each other.

[0026] Using the above technical solution, the vertically extended connecting arm 2, integrally formed and fixed at the top of the tilting arm 1, combined with multiple mounting holes 3 on the side, can be quickly adapted to the external installation structure of the laser spot welding machine, achieving a stable assembly of the pressure head and the equipment; the horizontally extended pressure block 4, integrally formed at the bottom of the tilting arm 1, has a cylindrical pressure head 5 at the middle of its bottom end that can accurately apply pressure to position the workpiece being welded, preventing workpiece displacement during welding; the vertically penetrating rectangular through hole 6 on the top surface of the pressure block 4 and the two through holes 7 at the bottom of the cylindrical pressure head 5 form a through channel, which, together with the air blowing channel 8 extending from one side of the inner wall of the rectangular through hole 6 to the outside of the pressure block 4, can efficiently introduce protective gas or auxiliary gas, while timely expelling welding residue and fumes, ensuring the cleanliness of the welding area and improving the penetration effect and welding quality of laser welding.

[0027] The two through holes 7 are symmetrically distributed about the central axis of the cylindrical pressure head 5, and the two through holes 7 are independently separated from each other, while both are connected to the rectangular through hole 6.

[0028] Using the above technical solution, the two through holes 7 are symmetrically distributed about the central axis of the cylindrical pressure head 5, and a solid area is reserved in the middle to achieve independent separation. This separation structure can effectively preserve the solid support part in the middle of the bottom of the cylindrical pressure head 5, and avoid the weakening of the local structure of the pressure head due to excessive proximity or connection of the through holes. This maintains the overall structural integrity and mechanical strength of the cylindrical pressure head 5, ensuring that the pressure can be evenly transmitted to the surface of the workpiece when it applies pressure to position the workpiece for welding, and that it is not prone to deformation or cracking due to concentrated force. This significantly improves the stress stability and reliability during the pressure application process. At the same time, the independently separated through holes 7 do not interfere with each other and are all smoothly connected to the rectangular through holes 6. This ensures that the protective gas or auxiliary gas flow evenly covers the welding area along a symmetrical path and efficiently removes residue, while also allowing the laser energy to be precisely applied to the welding point, achieving the dual guarantee of "reliable structural stress" and "efficient welding function".

[0029] The top of the outer side of the connecting arm 2 is provided with a stepped connecting groove for adapting to the connecting end of the external component, and multiple assembly holes 3 are provided on the side wall of the stepped connecting groove.

[0030] By adopting the above technical solution, the stepped connecting groove at the top of the outer side of the connecting arm 2 can accurately fit the connecting end of the external component, realize the close fit between the connecting arm 2 and the external structure, and reduce the installation gap; while the multiple assembly holes 3 opened on the side wall of the groove allow fasteners to pass through to achieve a stable connection between the pressure head and the external structure; this design greatly simplifies the installation and disassembly process of the pressure head, eliminating the need for complex alignment or additional adaptation structures, and improving the convenience of equipment assembly and subsequent maintenance.

[0031] Both through holes 7 are through structures with rectangular cross-sections, and the overall outline size formed by the two through holes 7 along their periphery matches the inner wall size of the rectangular through hole 6.

[0032] Using the above technical solution, the through hole 7 adopts a through structure with a rectangular cross-section, which can provide a larger conduction cross-sectional area compared with other shapes, which is conducive to laser penetration and rapid airflow. The overall contour size formed by the two through holes 7 enclosing the periphery matches the inner wall size of the rectangular through hole 6, so that there are no obvious steps or gaps at the connection between the two, which minimizes the airflow conduction resistance and laser energy loss, ensures sufficient gas supply and precise laser conduction during the welding process, and further optimizes the welding effect.

[0033] The connection between the tilting arm 1 and the connecting arm 2, and the connection between the tilting arm 1 and the pressure block 4, both adopt a rounded corner transition structure.

[0034] The above technical solutions are adopted. The connection between the tilting arm 1 and the connecting arm 2, and between the tilting arm 1 and the pressure block 4 adopts a rounded corner transition structure, which can effectively disperse the stress concentration at the connection of each component during welding operations, avoid structural cracking and damage caused by stress accumulation during long-term use, and improve the structural strength and service life of the pressure head.

[0035] Working principle:

[0036] The laser spot welding machine pressure head first adapts to the external component through the stepped connecting groove of the connecting arm 2, and then fasteners are inserted through the assembly hole 3 to complete the fixed assembly with the welding machine. During welding, the cylindrical pressure head 5 first applies pressure to the workpiece to achieve precise positioning and avoid workpiece displacement. At the same time, external gas enters the rectangular through hole 6 of the pressure block 4 through the blowing channel 8, and then covers the welding area through the two through holes 7 of the cylindrical pressure head 5 to remove residue and form a protective atmosphere. Finally, the laser beam passes through the through holes 7 and acts on the welding point of the workpiece to complete stable welding.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A laser spot welding machine pressure head, comprising an inclined arm (1), characterized in that, The top of the inclined arm (1) is integrally formed and fixed to a vertically extending connecting arm (2), and the side of the connecting arm (2) is provided with a plurality of assembly holes (3) for adapting to external installation structures. The bottom end of the inclined arm (1) is integrally formed and fixedly connected to a horizontally extending pressure block (4), and the middle part of the bottom end of the pressure block (4) is fixedly connected to a cylindrical pressure head (5) for applying pressure and positioning. The top surface of the pressure block (4) has a rectangular through hole (6) that runs vertically through the middle. The inner wall of the rectangular through hole (6) has an air blowing channel (8) that extends to the outside of the pressure block (4) for introducing gas. The cylindrical pressure head (5) has two through holes (7) at its bottom end.

2. The laser spot welding machine pressure head according to claim 1, characterized in that, The two through holes (7) are symmetrically distributed about the central axis of the cylindrical pressure head (5), and the two through holes (7) are independently separated from each other, while both are connected to the rectangular through hole (6).

3. The laser spot welding machine pressure head according to claim 1, characterized in that, The top of the outer side of the connecting arm (2) is provided with a stepped connecting groove for adapting to the connecting end of the external component, and a plurality of the assembly holes (3) are provided on the side wall of the stepped connecting groove.

4. The laser spot welding machine pressure head according to claim 1, characterized in that, Both of the through holes (7) are through structures with rectangular cross-sections, and the overall outline size formed by the two through holes (7) along their periphery matches the inner wall size of the rectangular through hole (6).

5. A laser spot welding machine pressure head according to claim 1, characterized in that, The connection between the tilting arm (1) and the connecting arm (2), and the connection between the tilting arm (1) and the pressure block (4) both adopt a rounded corner transition structure.

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