Eccentric protection type handheld laser welding gun

By designing a protective shell and a limiting slide transmission rod mechanism on the laser welding gun, the problems of accidental contact with the welding head and high-temperature burns are solved, achieving safe protection for the welding gun and improving its safety during use.

CN223801752UActive Publication Date: 2026-01-16NANTONG DAHUAN LASER TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520386775.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-01-16
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

Existing laser welding guns lack a protective structure for the welding head, posing a safety hazard that could lead to user injury. Furthermore, the high temperatures of the welding head and welding wire can easily cause burns.

Method used

An eccentrically protected handheld laser welding gun was designed. The protective shell is rotatably mounted on the welding gun body via a fixed shaft. Combined with a limiting slide and transmission rod mechanism, the welding head is protected, and the welding head and welding wire are protected by a triangular protective shell.

Benefits of technology

This effectively avoids accidental contact and burns, improves the safety of welding gun use, and ensures the safety of operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an eccentric protection type handheld laser welding gun, which belongs to the technical field of welding equipment and comprises a welding gun body and a protection mechanism, a welding head is arranged on the outer wall of the welding gun body, the protection mechanism comprises a fixing plate and two fixing shafts, the fixing plate is fixedly connected to the outer wall of one side of the welding gun body, and the fixing shafts are arranged on the fixing plate. A limiting sliding groove is formed in the outer wall of the fixing plate, two mounting rods are slidably embedded in the limiting sliding groove, one end of each mounting rod is rotationally connected with an L-shaped connecting plate, the welding gun body is an eccentric protection type handheld laser welding gun, and the protection shell is rotationally installed on the welding gun body through the fixing shaft to protect a welding head. And a mounting rod slides in a limiting sliding groove in a fixing plate, an L-shaped plate is conveniently driven to move, a transmission rod is matched to conveniently drive a protective shell to turn over, then the protective shell is turned over to the position above the welding gun body, and use of the welding gun body is not affected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field more specifically, relate to a eccentric protection formula handheld laser welding gun. BACKGROUND

[0002] ‌The laser welding gun is a kind of welding equipment, it utilizes high-energy laser pulse to carry out local heating in small area to material, make material melt after forming specific molten pool, to realize welding with high efficiency, high precision and high stability.

[0003] At present, the existing laser welding gun lacks welding head protection structure, and there is a security risk, since welding head is relatively sharp, accidental touch will cause user injury when using, and after using welding gun, welding wire top end and welding head part temperature is higher, and scalding event is likely to occur. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model aims at providing an eccentric protection formula handheld laser welding gun, to solve the problems proposed in the background art.

[0005] To solve the above problems, the utility model adopts the following technical scheme:

[0006] An eccentric protection formula handheld laser welding gun, comprising:

[0007] Welding gun body, the welding gun body outer wall is provided with welding head;And

[0008] Protection mechanism, the protection mechanism includes fixed plate and two fixed shafts, the fixed plate is fixedly connected to one side outer wall of welding gun body, the fixed plate outer wall is provided with the limit sliding slot, the limit sliding slot is slidably embedded with two installation rods, one end of each installation rod is rotatably connected with L-shaped connecting plate, each L-shaped connecting plate one side outer wall is fixedly installed with transmission rod, each fixed shaft is fixedly installed on the outer wall of welding gun body, and the protective shell is rotatably sleeved between the outer surfaces of the two fixed shafts.

[0009] As a preferred scheme of the utility model, the limit sliding slot is movably embedded with a limit sliding block, and the other end of the two installation rods and the outer wall of the limit sliding block are fixedly connected.

[0010] As a preferred scheme of the utility model, the limit sliding block top is fixedly installed with installation screw rod, and the installation screw rod outer surface is threadedly sleeved with positioning handle.

[0011] As a preferred scheme of the utility model, the welding gun body bottom is fixedly connected with a mounting seat, rotatingly embedded with a wire feeding frame between the mounting seat inner walls, and the wire feeding frame is installed with a wire feeding pipe.

[0012] As a preferred scheme of the utility model, the wire feeding frame inner walls are rotatably embedded with a driving roller, the wire feeding frame two side inner walls are all provided with an installation slot, the two installation slot inner walls are fixedly connected with a limiting rod, the limiting rod outer surface is movably sleeved with a movable block, and the two movable block outer walls are rotatably connected with a driven roller.

[0013] As a preferred scheme of the utility model, the wire feeding frame inner walls are fixedly installed with a driving motor, the driving motor output end and the driving roller shaft end are fixedly connected, and the limiting rod outer surface is sleeved with an abutting spring.

[0014] As a preferred scheme of the utility model, the protective shell is triangular in shape.

[0015] As a preferred scheme of the utility model, the welding gun body bottom is fixedly installed with a handle. Beneficial effects

[0016] Compared with the prior art, the utility model provides an eccentric protection type handheld laser welding gun, which has the following beneficial effects:

[0017] 1. In the scheme, the welding gun body is an eccentric protection type handheld laser welding gun, the protective shell is rotatably installed on the welding gun body through a fixed shaft, the welding head is protected, the user is prevented from being injured due to accidental touch, the installation rod slides in the limiting sliding groove on the fixed plate, the L-shaped plate is conveniently moved, the transmission rod is conveniently used to drive the protective shell to overturn, and then the protective shell is overturned above the welding gun body, and the use of the welding gun body is not affected.

[0018] 2. In the scheme, the protective shell is triangular in shape, the welding head, the wire frame and the welding wire conveyed to the welding head are conveniently protected, the user is prevented from being scalded due to accidental touch of the used welding head and welding wire, and the use safety of the welding gun body is further improved. DRAWINGS

[0019] Figure 1 It is a perspective view of the utility model;

[0020] Figure 2 It is a schematic view of the protective shell of the utility model when opened;

[0021] Figure 3 It is a sectional view of the utility model;

[0022] Figure 4 It is a utility modelFigure 3 Enlarged view of A in the middle;

[0023] Figure 5 The utility model discloses Figure 2 The sectional view of the utility model discloses

[0024] Figure 6 The utility model discloses Figure 5 Partial schematic view of the utility model discloses

[0025] Figure 7 The utility model discloses Figure 6 Enlarged view of B in the middle of the utility model discloses

[0026] Mark explanation in the drawing:

[0027] 1, welding gun body, 2, welding head, 3, protection mechanism, 301, fixed plate, 302, fixed shaft, 303, mounting rod, 304, L-shaped connecting plate, 305, transmission rod, 306, protection shell, 4, limit sliding block, 5, mounting screw, 6, positioning handle, 7, mounting seat, 8, wire feeder, 9, wire feeder pipe, 10, driving roller, 11, limit rod, 12, movable block, 13, driven roller, 14, driving motor, 15, abutting spring, 16, handle. Specific implementation

[0028] 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. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments in the utility model belong to the protection scope of the utility model. Embodiment

[0029] Please refer to Figures 1-7 , an eccentric protection type handheld laser welding gun, comprising:

[0030] Welding gun body 1, the outer wall of welding gun body 1 is provided with welding head 2, and

[0031] Protection mechanism 3, the protection mechanism 3 includes fixed plate 301 and two fixed shafts 302, the fixed plate 301 is fixedly connected to the outer wall of one side of welding gun body 1, the outer wall of fixed plate 301 is provided with limit sliding groove, the limit sliding interior is slidably embedded with two mounting rods 303, one end of each mounting rod 303 is rotatably connected with L-shaped connecting plate 304, the outer wall of one side of each L-shaped connecting plate 304 is fixedly installed with transmission rod 305, each fixed shaft 302 is fixedly installed on the outer wall of welding gun body 1, the protection shell 306 is rotatably sleeved between the outer surfaces of the two fixed shafts 302, and the protection shell 306 is rotatably sleeved between the outer surfaces of the two transmission shafts.

[0032] In the embodiment, the welding gun body 1 is an eccentric protector type handheld laser welding gun, which is prior art and will not be described in detail. The protective shell 306 is rotatably installed on the welding gun body 1 through the fixing shaft 302 to protect the welding head 2 and avoid accidental touch to cause injury to the user. The mounting rod 303 slides in the limiting slot on the fixing plate 301 to facilitate movement of the L-shaped plate 304, and the transmission rod 305 facilitates overturning of the protective shell 306, so that the protective shell 306 is overturned above the welding gun body 1 without affecting the use of the welding gun body 1.

[0033] Specifically, please refer to Figures 3-4 The other end of each mounting rod 303 is fixedly connected to the outer wall of the limiting slide block 4.

[0034] In the embodiment, the limiting slide block 4 is connected to the two mounting rods 303 to facilitate synchronous movement of the two mounting rods 303 and improve the use effect of the protection mechanism 3.

[0035] Specifically, please refer to Figures 3-4 The mounting screw 5 is fixedly installed on the top of the limiting slide block 4, and the positioning handle 6 is threadedly sleeved on the outer surface of the mounting screw 5.

[0036] In the embodiment, the mounting screw 5 and the positioning handle 6 are used in cooperation to facilitate movement of the limiting slide block 4 and positioning of the moved limiting slide block 4, so as to avoid shaking of the protective shell 306 during use and improve the use stability of the protection mechanism 3.

[0037] Specifically, please refer to Figure 2 and Figure 5 The mounting seat 7 is fixedly connected to the bottom of the welding gun body 1, the wire feeding frame 8 is rotatably embedded between the inner walls of the mounting seat 7, and the wire feeding pipe 9 is installed on the wire feeding frame 8.

[0038] In the embodiment, the wire feeding frame 8 and the wire feeding pipe 9 are used for conveying welding wire, and the wire feeding frame 8 is rotatably connected to the mounting seat 7 to facilitate adjustment of the welding wire conveying angle.

[0039] Specifically, please refer to Figures 5-7 The driving roller 10 is rotatably embedded between the inner walls of the wire feeding frame 8, the mounting grooves are formed in the inner walls of the wire feeding frame 8, the limiting rods 11 are fixedly connected between the inner walls of the two mounting grooves, the movable blocks 12 are movably sleeved on the outer surfaces of the limiting rods 11, and the driven roller 13 is rotatably connected between the outer walls of the two movable blocks 12.

[0040] The active block 12 slides on the corresponding limiting rod 11, conveniently drives the driven roller 13 to move, adjusts the distance between the driven roller 13 and the driving roller 10, conveniently clamps and conveys the welding wire of different diameters, facilitates the use of the wire feeder 8, and realizes the welding wire conveying through the wire feeder 8. The wire feeder 8 is small in size and easy to carry with the welding body 1.

[0041] Specifically, please refer to Figures 6-7 As shown in the figure, the inner wall of the wire feeder 8 is fixedly provided with a driving motor 14, the output end of the driving motor 14 is fixedly connected with the shaft end of the driving roller 10, and the outer surface of each limiting rod 11 is sleeved with an abutting spring 15.

[0042] In the embodiment, the driving motor 12 is used to conveniently drive the driving roller 10 to rotate, improve the use convenience of the wire feeder 8, and the abutting spring 15 is used to conveniently abut and press the driven roller 13, improve the clamping effect of the driven roller 13 and the driving roller 10 on the welding wire.

[0043] Specifically, please refer to Figures 1-3 As shown in the figure, the protective shell 306 is in a triangular shape.

[0044] In the embodiment, the protective shell 306 is in a triangular shape, which is convenient for protecting the welding head 2, the wire feeder 8 and the welding wire conveyed to the welding head 2, avoiding the scalding event caused by accidentally touching the used welding head 2 and the welding wire, and further improving the use safety of the welding gun body 1.

[0045] Specifically, please refer to Figure 1 As shown in the figure, the bottom of the welding gun body 1 is fixedly provided with a handle 16.

[0046] In the embodiment, the handle 16 is used to conveniently hold the welding gun body 1.

[0047] Working principle: in use, the use angle of the wire feeder 8 is adjusted, the welding wire is inserted into the wire feeding pipe 9 and located between the driving roller 10 and the driven roller 13, the driving motor 14 is started, the driving motor 14 drives the driving roller 10 to rotate, drives the welding wire to move in the wire feeding pipe 9, performs wire feeding, cooperates with the welding gun body 1 to perform welding work, after the welding gun body 1 is used, the positioning handle 6 is loosened, and the positioning handle 6 is pushed to the welding head 2, the positioning handle 6 drives the limiting block 4 to move in the limiting slot through the installation screw 5, drives the two installation rods 303 to slide, and then drives the L-shaped connecting plate 304 to deviate, cooperates with the transmission rod 305 and the fixed shaft 302 to drive the protective shell 306 to overturn, and protects the welding head 2, the wire feeder 2 and the welding wire on the wire feeding pipe 9.

[0048] The control mode of the utility model is controlled by manually starting and closing the switch, and the wiring diagram of the power element and the provision of the power supply are common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the control mode and the wiring arrangement of the utility model are not explained in detail.

[0049] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improved conception of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An eccentrically shielded handheld laser welding gun, characterized in that, The utility model relates to a welding gun body (1) is provided with welding head (2) outside wall, and protection mechanism (3) is including fixed plate (301) and two fixed shafts (302), fixed plate (301) fixed connection in welding gun body (1) one side outside wall, the fixed plate (301) outside wall is opened and is limited to slide in the limit sliding groove, the limit sliding inside sliding is embedded with two mounting rods (303), and every mounting rod (303) one end is rotatably connected with L type link plate (304), and every L type link plate (304) one side outside wall is fixedly installed with transmission rod (305), and every fixed shaft (302) is fixedly installed in welding gun body (1) outside wall, and the protection shell (306) is rotatably sleeved between the outer surfaces of two fixed shafts (302), and the protection shell (306) is rotatably sleeved between the outer surfaces of two transmission shafts. The limit sliding groove is movably embedded with a limit sliding block (4), and the other end of each mounting rod (303) and the outer wall of the limit sliding block (4) are fixedly connected. The limit sliding block (4) is fixedly installed with a mounting screw (5) on the top, and the outer surface of the mounting screw (5) is threadedly sleeved with a positioning handle (6).

2. The eccentrically protected handheld laser welding gun according to claim 1, characterized in that The welding gun body (1) is fixedly connected with a mounting seat (7) at the bottom, a wire feeding frame (8) is rotatably embedded between the inner walls of the mounting seat (7), and a wire feeding pipe (9) is installed on the wire feeding frame (8).

3. The eccentrically protected handheld laser welding gun according to claim 2, characterized in that The wire feeding frame (8) is rotatably embedded with a driving roller (10) between the inner walls, mounting grooves are formed in the inner walls of both sides of the wire feeding frame (8), a limit rod (11) is fixedly connected between the inner walls of the two mounting grooves, an active block (12) is movably sleeved on the outer surface of each limit rod (11), and a driven roller (13) is rotatably connected between the outer walls of the two active blocks (12).

4. The eccentrically protected handheld laser welding gun of claim 1, wherein, The wire feeding frame (8) is fixedly installed with a driving motor (14) on the inner wall, the output end of the driving motor (14) is fixedly connected with the shaft end of the driving roller (10), and a contact spring (15) is sleeved on the outer surface of each limit rod (11).

5. The eccentrically protected handheld laser welding gun according to claim 4, characterized in that The protection shell (306) is in triangular shape.

6. A hand-held eccentrically protected laser welding gun according to claim 5, characterized in that The welding gun body (1) is fixedly installed with a handle (16) at the bottom.

7. The eccentrically protected handheld laser welding gun of claim 1, wherein, ​ 8. The eccentrically protected handheld laser welding gun of claim 3, wherein, ​