Laser focal length adjusting device for laser welding machine

By designing adjustment devices for components such as the rotating frame and the limiting frame, the problem of high welding head temperature that is difficult to adjust is solved, enabling convenient adjustment and safe fixation of the welding head, thus improving the portability and safety of the laser welding machine.

CN223734116UActive Publication Date: 2025-12-30苏州兆东电子科技有限公司
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Patent Information

Application Number
CN202423068188.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-12-30
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The welding head of existing laser welding machines reaches a high surface temperature after prolonged use, making it difficult for operators to manually adjust the focus, thus affecting portability and safety.

Method used

An adjustment assembly including a rotating frame, a connecting plate, a clamping frame, and a limiting frame was designed. The rotating frame is driven to move back and forth by a rotating block, and the position of the welding head is adjusted and fixed in conjunction with the limiting block and the retaining ring to ensure that the focal length remains consistent.

Benefits of technology

It enables convenient adjustment of the welding head, improves the portability of the device and welding safety, and prevents the welding head from shifting or falling off.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of laser welding, in particular to a laser focal length adjusting device for a laser welding machine, which comprises a welding gun and an adjusting component, the adjusting component is arranged at the top of the welding gun and comprises a rotating frame, and the rotating frame is movably connected to the top of the welding gun. A connecting plate is fixedly connected to one side of the rotating frame, a limiting frame is slidably connected to the outer side of the connecting plate, a supporting block is fixedly connected to the bottom of the limiting frame, and a connecting block is fixedly connected to the bottom of the connecting plate. According to the laser focal length adjusting device for the laser welding machine, when the device is used, a rotating block and a rotating frame are rotationally connected, so that the rotating block can drive the rotating frame to move front and back, and the rotating frame can drive a welding head to move front and back through a connecting plate, a connecting block and a clamping frame; and therefore, the position of the welding head can be conveniently adjusted, the welding head keeps a fixed focal length, and the portability of the device is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to laser welding technical field, concretely is a laser focal length adjusting device for laser welding machine. BACKGROUND

[0002] The laser welding machine is a kind of equipment using high-energy density laser beam as heat source to weld material, laser beam is irradiated to the surface of material to be welded, material absorbs laser energy, surface temperature sharply rises, when material melts, melted metal will flow and fill the gap between weld.

[0003] Hand-held laser welding gun needs to keep fixed focal length when using, the existing adjusting mode is directly adjusted by the nut and connecting pipe on the position of gun head connecting pipe, but the surface temperature of welding head is higher after long time use, so that the staff is inconvenient to manually adjust, therefore we provide a laser focal length adjusting device for laser welding machine. UTILITY MODEL CONTENTS

[0004] The utility model discloses a laser focal length adjusting device for laser welding machine to solve the problem that the staff is inconvenient to manually adjust after long time use of welding head in the background art, and the surface temperature is higher. To achieve the above object, the utility model provides the following technical scheme: a laser focal length adjusting device for laser welding machine, including welding gun and adjusting assembly, the adjusting assembly is arranged at the top of welding gun, the adjusting assembly includes rotating stand, the rotating stand is movably connected at the top of welding gun, one side of the rotating stand is fixedly connected with connecting plate, the outer side of connecting plate is slidably connected with limiting stand, the bottom of limiting stand is fixedly connected with support block, the bottom of connecting plate is fixedly connected with connecting block, the bottom of connecting block is fixedly connected with clamping stand, when using the device, the rotating connection between rotating block and rotating stand makes that rotating block can drive rotating stand to move back and forth, so that rotating stand can drive welding head to move back and forth through connecting plate, connecting block and clamping stand, so that the position of welding head can be conveniently adjusted, so that welding head keeps fixed focal length, and the portability of the device is effectively improved.

[0005] Further preferably, the top of the welding gun is provided with a connecting assembly, the connecting assembly includes a support frame, the support frame is fixedly connected to the top of the welding gun, a sliding groove is formed in the top of the support frame, a sliding rod is slidably connected in the sliding groove, two limiting blocks one are fixedly connected to the side surface of the sliding rod and symmetrically distributed left and right.

[0006] Further preferably, the outer side of the limiting block one is matched with the inner side of the sliding groove, the top of the sliding rod is fixedly connected with a limiting block two, and the bottom of the sliding rod is fixedly connected with a clamping block, so that the position of the welding head can be fixed, the welding head is prevented from deviating and falling off, and the safety of the welding work is ensured.

[0007] Further preferably, the bottom of the supporting frame is provided with a rotating groove, one side of the welding gun is fixedly connected with a connecting ring, the side surface of the connecting ring is fixedly connected with the bottom of a supporting block, and the bottom of the supporting frame is provided with a rotating assembly.

[0008] Further preferably, the rotating assembly comprises a connecting barrel, the connecting barrel is rotationally connected in the inner side of the rotating groove, the bottom of the connecting barrel is fixedly connected with a connecting rod, the top of the connecting rod is provided with a mounting groove, the inner side of the mounting groove is fixedly connected with a clamping ring, and the inner side of the clamping ring is matched with the outer side of the clamping block, so that the rotating frame can be driven to move, and the position of the welding head can be adjusted.

[0009] Further preferably, the bottom of the connecting rod is fixedly connected with a rotating block, the outer side of the rotating block is matched with the inner side of the rotating frame, the top of the connecting rod is fixedly connected with a handle, the inner side of the clamping frame is clamped with the welding head, and the side surface of the welding head is movably connected with the inner side of the connecting ring.

[0010] Compared with the prior art, the welding head can be conveniently adjusted in position, the welding head can be kept at a fixed focal length, and the portability of the device is effectively improved.

[0011] In the device, the rotating block can drive the rotating frame to move forward and backward, the rotating frame can drive the welding head to move forward and backward through the connecting plate, the connecting block and the clamping frame, the position of the welding head can be conveniently adjusted, the welding head can be kept at a fixed focal length, and the portability of the device is effectively improved.

[0012] In the adjusting process, the worker can rotate the sliding rod in the opposite direction, the limiting block one is reset, the sliding rod and the clamping block are reset, the clamping block can be fixedly clamped with the clamping ring again, the connecting plate, the connecting block and the clamping frame can be fixed and limited, the position of the welding head can be fixed, the welding head is prevented from deviating and falling off, and the safety of the welding work is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure diagram of the device. Figure 1 ;

[0014] Figure 2 It is a three-dimensional structure diagram of the adjusting assembly.

[0015] Figure 3 The cross-sectional structure of the utility model is shown Figure 1 ;

[0016] Figure 4 The utility model is shown Figure 3 The structure of a is shown in the utility model.

[0017] Figure 5 The cross-sectional structure of the utility model is shown Figure 2 ;

[0018] Figure 6 The utility model is shown in the three-dimensional structure Figure 2 .

[0019] In the figure: 1, welding gun; 2, adjusting assembly; 201, rotating frame; 202, connecting plate; 203, limiting frame; 204, supporting block; 205, connecting block; 206, clamping frame; 3, connecting assembly; 301, supporting frame; 302, sliding groove; 303, sliding rod; 304, limiting block one; 305, limiting block two; 306, clamping block; 4, rotating groove; 5, connecting ring; 6, rotating assembly; 601, connecting cylinder; 602, connecting rod; 603, mounting groove; 604, clamping ring; 605, rotating block; 606, handle; 7, welding head. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill workers in the art without creative work belong to the scope of protection of the utility model.

[0021] Please refer to Figures 1-6 , the utility model provides a kind of technical scheme: a laser focal length adjusting device for laser welding machine, including welding gun 1 and adjusting assembly 2, adjusting assembly 2 is set in the top of welding gun 1, adjusting assembly 2 includes rotating frame 201, rotating frame 201 is movably connected in the top of welding gun 1, one side of rotating frame 201 is fixedly connected with connecting plate 202, the outside of connecting plate 202 is slidably connected with limiting frame 203, the bottom of limiting frame 203 is fixedly connected with supporting block 204, the bottom of connecting plate 202 is fixedly connected with connecting block 205, the bottom of connecting block 205 is fixedly connected with clamping frame 206.

[0022] In the embodiment, as Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 and Figure 6As shown, the top of the welding gun 1 is provided with a connecting assembly 3, the connecting assembly 3 comprises a support frame 301 fixedly connected at the top of the welding gun 1, a sliding groove 302 is opened at the top of the support frame 301, a sliding rod 303 is slidably connected inside the sliding groove 302, two limiting blocks one 304 are fixedly connected to the side surface of the sliding rod 303 and are symmetrically distributed left and right, the outside of the limiting block one 304 is matched with the inside of the sliding groove 302, a limiting block two 305 is fixedly connected to the top of the sliding rod 303, a clamping block 306 is fixedly connected to the bottom of the sliding rod 303, the staff can pull the limiting block one 304 and the clamping block 306 upward through the limiting block two 305, so that the clamping block 306 can move out from the inside of the clamping ring 604, so that the clamping ring 604 and the clamping block 306 can be disconnected, then the staff can twist the limiting block two 305, so that the limiting block two 305 can drive the sliding rod 303 and the limiting block one 304 to work, so that the limiting block one 304 can work with the top of the support frame 301.

[0023] As shown in the embodiment, Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 , a rotating groove 4 is opened at the bottom of the support frame 301, a connecting ring 5 is fixedly connected to one side of the welding gun 1, the side surface of the connecting ring 5 is fixedly connected with the bottom of the supporting block 204, the support frame 301 is provided with a rotating assembly 6, the rotating assembly 6 comprises a connecting barrel 601, the connecting barrel 601 is rotatably connected inside the rotating groove 4, a connecting rod 602 is fixedly connected to the bottom of the connecting barrel 601, an installation groove 603 is opened at the top of the connecting rod 602, a clamping ring 604 is fixedly connected inside the installation groove 603, the inside of the clamping ring 604 is matched with the outside of the clamping block 306, a rotating block 605 is fixedly connected to the bottom of the connecting rod 602, the outside of the rotating block 605 is matched with the inside of the rotating frame 201, a handle 606 is fixedly connected to the top of the connecting rod 602, a welding head 7 is clamped inside the clamping frame 206, the side surface of the welding head 7 is movably connected with the inside of the connecting ring 5, through the rotating connection between the rotating groove 4 and the connecting barrel 601, the staff can drive the connecting rod 602 and the rotating block 605 to work through the handle 606, at the same time, through the rotating connection between the connecting plate 202 and the limiting frame 203, the limiting frame 203 can limit and guide the rotating frame 201 through the connecting plate 202, then through the rotating connection between the rotating block 605 and the rotating frame 201, the rotating block 605 can drive the rotating frame 201 to move forward and backward, so that the rotating frame 201 can drive the welding head 7 to move forward and backward through the connecting plate 202, the connecting block 205 and the clamping frame 206, so that the focal length of the laser can be adjusted.

[0024] The use method and advantages of the utility model are: the laser focal length adjusting device for laser welding machine, when using, the working process is as follows:

[0025] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 And Figure 6 Indicated, when using the device, the worker can insert the welding head 7 into the inside of the connecting ring 5, simultaneously make the welding head 7 can be with the clamping frame 206 jointing work, make the welding gun 1 can pass through the welding head 7 and object laser welding work, when needing to adjust the laser focal length, the worker can pull up the limiting block one 304 and the clamping block 306 through the limiting block two 305, make the clamping block 306 can move from the inside of the clamping ring 604, make the clamping ring 604 and the clamping block 306 can remove the fixed connection state, then the worker can twist the limiting block two 305, make the limiting block two 305 can drive the slide rod 303 and the limiting block one 304 rotate work, make the limiting block one 304 can with the top of the support frame 301 connect work, then through the rotary connection between the rotating groove 4 and the connecting barrel 601, make the worker can drive the connecting rod 602 and the rotating block 605 rotate work through the handle 606, simultaneously through the rotary connection between the connecting plate 202 and the limiting frame 203, make the limiting frame 203 can pass through the connecting plate 202 and the rotating frame 201 limiting guide work, then through the rotary connection between the rotating block 605 and the rotating frame 201, make the rotating block 605 can drive the rotating frame 201 move forward and backward work, make the rotating frame 201 can pass through the connecting plate 202, the connecting block 205, the clamping frame 206 drive the welding head 7 move forward and backward work, make can adjust the laser focal length, finally the worker can reverse direction rotate the slide rod 303, make the limiting block one 304 reset work, make the slide rod 303 and the clamping block 306 reset work, make the clamping block 306 can with the clamping ring 604 again fixed jointing work, make can fixedly limit the connecting plate 202, the connecting block 205, the clamping frame 206.

[0026] The basic principle, main features and advantages of the utility model are shown and described above. The technical staff of the industry should understand that the utility model is not limited by the above examples, the above examples and descriptions in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A laser focal length adjustment device for a laser welding machine, comprising a welding gun (1) and an adjustment assembly (2), characterized in that: The adjusting assembly (2) is arranged at the top of the welding gun (1), the adjusting assembly (2) comprises a rotating frame (201), the rotating frame (201) is movably connected at the top of the welding gun (1), one side of the rotating frame (201) is fixedly connected with a connecting plate (202), the outer side of the connecting plate (202) is slidably connected with a limiting frame (203), the bottom of the limiting frame (203) is fixedly connected with a supporting block (204), the bottom of the connecting plate (202) is fixedly connected with a connecting block (205), the bottom of the connecting block (205) is fixedly connected with a clamping frame (206).

2. The laser focal length adjustment device for a laser welding machine according to claim 1, characterized in that: The top of the welding gun (1) is provided with a connecting assembly (3), the connecting assembly (3) comprises a supporting frame (301), the supporting frame (301) is fixedly connected at the top of the welding gun (1), the top of the supporting frame (301) is provided with a sliding groove (302), the inside of the sliding groove (302) is slidably connected with a sliding rod (303), the side surface of the sliding rod (303) is fixedly connected with two limiting blocks (304) and the two limiting blocks (304) are symmetrically distributed.

3. The laser focal length adjustment device for a laser welding machine according to claim 2, characterized in that: The outer side of the limiting block (304) is matched with the inside of the sliding groove (302), the top of the sliding rod (303) is fixedly connected with a limiting block (305), the bottom of the sliding rod (303) is fixedly connected with a clamping block (306).

4. The laser focal length adjustment device for a laser welding machine according to claim 2, characterized in that: The bottom of the supporting frame (301) is provided with a rotating groove (4), one side of the welding gun (1) is fixedly connected with a connecting ring (5), the side surface of the connecting ring (5) is fixedly connected with the bottom of the supporting block (204), the bottom of the supporting frame (301) is provided with a rotating assembly (6).

5. The laser focal length adjustment device for a laser welding machine according to claim 4, characterized in that: The rotating assembly (6) comprises a connecting barrel (601), the connecting barrel (601) is rotatably connected in the inside of the rotating groove (4), the bottom of the connecting barrel (601) is fixedly connected with a connecting rod (602), the top of the connecting rod (602) is provided with a mounting groove (603), the inside of the mounting groove (603) is fixedly connected with a clamping ring (604), the inside of the clamping ring (604) is matched with the outer side of the clamping block (306).

6. The laser focal length adjustment device for a laser welding machine according to claim 5, characterized in that: The bottom of the connecting rod (602) is fixedly connected with a rotating block (605), the outer side of the rotating block (605) is matched with the inside of the rotating frame (201), the top of the connecting rod (602) is fixedly connected with a handle (606), the inside of the clamping frame (206) is clamped with a welding head (7), the side surface of the welding head (7) is movably connected with the inside of the connecting ring (5).