A hand-held laser welder

Abstract

The application discloses a handheld laser welding machine and relates to the technical field of laser welding machines. The handheld laser welding machine comprises a machine body, a first support installed outside the machine body, a welding gun arranged inside the first support, a connecting port arranged in the machine body, a second support installed outside the machine body and a placing mechanism connected with the second support. The placing mechanism comprises an arc-shaped frame, a telescopic rod installed at the bottom of the arc-shaped frame, a connecting frame installed at the bottom of the telescopic rod, a central cylinder installed outside the connecting frame and a control assembly arranged in the central cylinder. The placing mechanism further comprises a gasket installed outside the connecting frame, a plurality of the gaskets and a pulley installed at the end of the connecting frame away from the gasket. The handheld laser welding machine can improve the use efficiency of the equipment.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of laser welding machines, in particular to a handheld laser welding machine. BACKGROUND

[0002] The handheld laser welding machine is composed of a laser welding machine, a handheld welding gun and a connecting cable between the two, in the operation process, the welding gun is aligned with the weld of the welding position by the handheld welding gun, then the hand maintains an inclined angle, and the welding gun is dragged along the weld to weld.

[0003] A handheld laser welding machine is disclosed in the patent with the publication number CN116441725A, the two fulcrums of the welding gun head and the supporting leg jointly play a three-point supporting role on the welding gun body, thereby improving the stability of the welding gun head during welding, the user only needs to hold the handheld part to exert a force towards the weld direction, so as to improve the stability of the arm and the welding gun, and improve the precision and quality of the weld. However, when the handheld laser welding machine is at rest or in use, the line is suspended on the support, and the worker needs to manually take or wind the suspended line, which is tedious, and the whole line is exposed for a long time, which is easy to be contaminated or worn. SUMMARY

[0004] In order to overcome the problem that when the handheld laser welding machine is at rest or in use, the line is suspended on the support, and the worker needs to manually take or wind the suspended line, which is tedious, and the whole line is exposed for a long time, which is easy to be contaminated or worn, the application provides a handheld laser welding machine, which comprises a machine body.

[0005] A first support is installed outside the machine body.

[0006] A welding gun is arranged inside the first support.

[0007] A connecting port is arranged inside the machine body.

[0008] A second support is installed outside the machine body.

[0009] A placing mechanism is connected with the second support, and the placing mechanism comprises an arc-shaped frame, a telescopic rod is installed at the bottom of the arc-shaped frame, a connecting frame is installed at the bottom of the telescopic rod, a central cylinder is installed outside the connecting frame, and a control assembly is arranged inside the central cylinder.

[0010] Preferably, the placing mechanism further comprises:

[0011] A gasket is installed outside the connecting frame, and a plurality of gaskets are arranged.

[0012] A pulley is installed at one end of the connecting frame away from the gasket.

[0013] A square tube is installed at the bottom of the center cylinder, which communicates with the center cylinder, and the inside of the square tube is provided with a clamping assembly, and a clamping groove is formed in the inside of the square tube.

[0014] Preferably, the placing mechanism further comprises:

[0015] A channel is formed in the inside of the center cylinder;

[0016] A push rod is installed in the inside of the channel, and two push rods are symmetrically arranged;

[0017] An angle plate is connected to the telescopic end of the push rod, and the angle plate is made of rubber.

[0018] Preferably, the clamping assembly comprises:

[0019] A first center rod is slidably connected to the inside of the square tube, and the first center rod is made of rubber;

[0020] A clamping plate is installed on the outside of the first center rod, and a clamping block is arranged on the outside of the clamping plate, and the clamping block is matched with the clamping groove.

[0021] Preferably, the clamping assembly further comprises:

[0022] A first arc-shaped plate is connected to the first center rod;

[0023] A brush head is installed at the bottom of the square tube, and a plurality of brush heads are uniformly arranged.

[0024] Preferably, the clamping assembly further comprises:

[0025] A first sliding groove is formed in the inside of the square tube, and two first sliding grooves are symmetrically arranged;

[0026] A first moving block is slidably connected to the inside of the first sliding groove, and the first moving block is made of rubber.

[0027] Preferably, the clamping assembly further comprises:

[0028] An adjusting frame is connected to the first moving block;

[0029] A second center rod is connected to the adjusting frame, and the second center rod penetrates the inside of the first moving block;

[0030] A second arc-shaped plate is connected to the second center rod.

[0031] Preferably, the control assembly comprises:

[0032] a motor mounted inside the central cylinder;

[0033] a first disc connected with the output end of the motor;

[0034] a connecting column connected with the first disc;

[0035] a second disc connected with the connecting column.

[0036] Preferably, the control assembly further comprises:

[0037] a second sliding groove opened in the interior of the second disc, and a plurality of second sliding grooves are opened;

[0038] a second moving block slidingly connected in the interior of the second sliding groove, and the second moving block is made of rubber;

[0039] a connecting rod connected with the second moving block, and an arc-shaped piece is mounted on the exterior of the connecting rod.

[0040] The present application provides a handheld laser welding machine. It has the following advantages:

[0041] 1. The handheld laser welding machine places and controls the line connected with the body and the welding gun through the placement mechanism. The existing handheld laser welding machine suspends the line on the bracket when it is at rest or in use, and the worker needs to manually take or wind the suspended line, which is tedious and the line is exposed for a long time, which is easy to be contaminated or worn. The line is mostly placed inside the placement mechanism, reducing the exposed length of the line, avoiding direct contact with the bracket, and reducing the wear of the line.

[0042] 2. The handheld laser welding machine limits and protects the line in three sections through the clamping assembly. A set of first center rods and first arc-shaped plates are arranged at the top to contact and limit the part of the line before entering the central cylinder; a set of second center rods and second arc-shaped plates are arranged in the middle, the positions of the second center rods and the second arc-shaped plates are adjusted by adjusting the position of the first moving block, thereby adjusting the position of the line and reducing the length of the line in contact with the ground; a set of first center rods and first arc-shaped plates are arranged at the bottom to control the position of the reserved length of the line.

[0043] 3. The handheld laser welding machine winds and unwinds the line through the control assembly. Four second moving blocks and four arc-shaped pieces that can move in the second disc are arranged to adjust the limited range of the line, which is convenient for gradually adjusting the positions of the four arc-shaped pieces with the winding work of the line, and improves the convenience of the winding work.

[0044] 4. The handheld laser welding machine, by setting the placement mechanism, clamping assembly and control assembly, the line connecting the machine body and the welding gun is retracted and lengthened, and the length is adjusted. By setting the clamping assembly, the length of the line between the connecting port and the square tube is adjusted to reduce the length of the line rubbing against the ground; by setting the control assembly, the length of the line between the welding gun and the channel is adjusted to reduce the length of the line rubbing against the ground. BRIEF DESCRIPTION OF DRAWINGS

[0045] Figure 1 It is the overall structure schematic diagram of the present application;

[0046] Figure 2 It is another perspective structure schematic diagram of the present application;

[0047] Figure 3 It is the placement mechanism structure schematic diagram of the present application;

[0048] Figure 4 It is another perspective structure schematic diagram of the placement mechanism of the present application;

[0049] Figure 5 It is the internal structure schematic diagram of the placement mechanism of the present application;

[0050] Figure 6 It is the structure schematic diagram of A in the present application; Figure 5

[0051] Figure 7 It is the clamping assembly structure schematic diagram of the present application;

[0052] Figure 8 It is the structure schematic diagram of B in the present application; Figure 7

[0053] Figure 9 It is the control assembly structure schematic diagram of the present application;

[0054] Figure 10 It is the structure schematic diagram of C in the present application. Figure 9

[0055] ​​​In the diagram: 1. Body; 2. First support; 3. Welding gun; 4. Connection port; 5. Second support; 6. Placement mechanism; 601. Arc-shaped frame; 602. Telescopic rod; 603. Connecting frame; 604. Central cylinder; 605. Gasket; 606. Square tube; 607. Clamping assembly; 6071. First central rod; 6072. Positioning plate; 6073. First arc-shaped plate; 6074. Brush head; 6075. First slide groove; 6076. 6077. First moving block; 6078. Adjusting frame; 6079. Second center rod; 6070. Second arc plate; 608. Control component; 6081. Motor; 6082. First disc; 6083. Connecting column; 6084. Second disc; 6085. Second slide rail; 6086. Second moving block; 6087. Connecting rod; 6088. Arc component; 609. Pulley; 610. Channel; 611. Push rod; 612. Angle plate. Detailed Implementation

[0056] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0057] like Figures 1-10 As shown, the present invention provides a technical solution: including a body 1;

[0058] First bracket 2, first bracket 2 is installed on the outside of body 1;

[0059] Welding gun 3, which is located inside the first bracket 2;

[0060] Connection port 4 is located inside the body 1, and the wiring inside the body 1 is connected to the welding gun 3 through connection port 4.

[0061] The second bracket 5 is installed on the outside of the body 1;

[0062] The placement mechanism 6 is connected to the second support 5. The placement mechanism 6 includes an arc-shaped frame 601, which is hung on the second support 5. A telescopic rod 602 is installed at the bottom of the arc-shaped frame 601. The telescopic rod 602 is set as an electric push rod 611. There are two telescopic rods 602, which are symmetrically arranged. A connecting frame 603 is installed at the bottom of the telescopic rod 602. A central cylinder 604 is installed on the outside of the connecting frame 603. A detachable cover plate is provided on the outside of the central cylinder 604. A control component 608 is provided inside the central cylinder 604.

[0063] Before using the device, the welding gun 3 is in the first support 2, the arc-shaped frame 601 is in the second support 5, and the line connecting the machine body 1 and the welding gun 3 is in the placing mechanism 6. According to the welding position, the worker moves the machine body 1 to the welding position, according to the specific position of the welding, the worker manually takes the arc-shaped frame 601 on the second support 5, places the placing mechanism 6 on the table or the ground, and adjusts the line. Then the worker manually takes the welding gun 3 on the first support 2 and performs welding work.

[0064] The placing mechanism 6 further comprises:

[0065] The gasket 605 is installed outside the connecting frame 603, and the gasket 605 is provided with a plurality of;

[0066] The pulley 609 is installed at one end of the connecting frame 603 away from the gasket 605;

[0067] The square tube 606 is installed at the bottom of the center cylinder 604, the square tube 606 communicates with the center cylinder 604, the inside of the square tube 606 is provided with a clamping assembly 607, the inside of the square tube 606 is provided with a clamping groove, and the plate on one side of the square tube 606 can be detached;

[0068] The channel 610 is formed in the inside of the center cylinder 604;

[0069] The push rod 611 is provided as an electric push rod 611, the push rod 611 is installed in the inside of the channel 610, and the push rod 611 is provided with two and is symmetrically arranged;

[0070] The angle plate 612 is connected with the telescopic end of the push rod 611, and the angle plate 612 is made of rubber.

[0071] When the device is not used, the push rod 611 is started, the push rod 611 drives the angle plate 612 to move, and the two angle plates 612 clamp the line at the channel 610, at this time, the positions of the welding gun 3, the line and the arc-shaped frame 601 are all limited.

[0072] When the arc-shaped frame 601 and the center cylinder 604 need to be moved, if the placement position is far away from the position of the machine body 1, the direction of the center cylinder 604 is manually adjusted, the pulley 609 is made to fall to the ground to move the center cylinder 604 in a pushing manner until the center cylinder 604 is in the welding position, and according to the welding range, the gasket 605 is selected to be in contact with the ground or the table or the pulley 609 is selected to be in contact with the ground or the table.

[0073] When the position of the center cylinder 604 is moved, the control assembly 608 is adjusted, and then the length between the line and the welding gun 3 and the length between the line and the connecting port 4 are adjusted.

[0074] By setting up the placement mechanism 6, the wiring connected to the machine body 1 and the welding gun 3 is placed and its position controlled. In existing handheld laser welding machines, when stationary or in use, the wiring is suspended on the bracket, requiring workers to manually remove or wind the suspended wiring, which is cumbersome. Furthermore, the wiring is exposed for extended periods, making it susceptible to contamination and wear. By setting up the placement mechanism 6, most of the wiring is placed inside the mechanism, reducing the exposed length of the wiring, preventing direct contact between the wiring and the bracket, and minimizing wear on the wiring.

[0075] Clamping assembly 607 includes:

[0076] The first center rod 6071 is slidably connected inside the square tube 606. The first center rod 6071 is made of rubber. There are two sets of the first center rod 6071, which are arranged vertically. There are two first center rods 6071 in each set, and they are arranged symmetrically.

[0077] The positioning plate 6072 is installed on the outside of the first center rod 6071. The positioning plate 6072 has a locking block on its outside, which is adapted to the locking slot.

[0078] The first arc-shaped plate 6073 is connected to the first central rod 6071;

[0079] Brush head 6074 is installed at the bottom of square tube 606. Multiple brush heads 6074 are provided and evenly distributed.

[0080] The first slide groove 6075 is opened inside the square tube 606. There are two first slide grooves 6075, which are symmetrically arranged.

[0081] The first movable block 6076 is slidably connected inside the first slide groove 6075, and the first movable block 6076 is made of rubber.

[0082] Adjustment frame 6077 is connected to the first moving block 6076. Adjustment frame 6077 is connected to the plate by an adjustment rod that can be manually adjusted in length.

[0083] The second center rod 6078 is connected to the adjusting frame 6077 and passes through the interior of the first moving block 6076.

[0084] The second arc-shaped plate 6079 is connected to the second center rod 6078. The first slide groove 6075, the first moving block 6076, the moving frame, the second center rod 6078, and the second arc-shaped plate 6079 are all provided in twos and are arranged symmetrically.

[0085] Before using the device, manually disassemble the plate in the square tube 606, and put the wire at the connection port 4 into the square tube 606 from below to above, manually push a group of first center rods 6071 at the top, and the two first center rods 6071 drive the two first arc-shaped plates 6073 to move towards the wire until the wire is clamped and fixed, manually adjust the length of the adjusting rod in the two adjusting frames 6077, thereby adjusting the position of the second center rod 6078, and the second center rod 6078 drives the second arc-shaped plate 6079 to clamp and fix the wire. Then, a length of wire is reserved, and a group of first center rods 6071 at the bottom are manually pushed, and the two first center rods 6071 drive the two first arc-shaped plates 6073 to move towards the wire until the wire is clamped and fixed.

[0086] When it is necessary to move the overall position of the placing mechanism 6, the two first center rods 6071 at the bottom are manually pulled outward, and the two first center rods 6071 drive the two first arc-shaped plates 6073 to move away from the wire, and the wire of the reserved length is gradually lowered after being released from control to reserve a working space for the movement of the placing mechanism 6. As the user places the placing mechanism 6 on the table top or the ground, the position of the first moving block 6076 in the first sliding groove 6075 is manually adjusted, thereby adjusting the position of the second center rod 6078 and the second arc-shaped plate 6079, the second arc-shaped plate 6079 drives the wire to move, thereby reducing the length of the wire in contact with the ground and reducing the wear of the wire caused by friction with the ground.

[0087] By setting the clamping assembly 607, three-section limiting protection is performed on the wire. A group of first center rods 6071 and first arc-shaped plates 6073 are arranged at the top to contact and limit the part of the wire before entering the center cylinder 604; a group of second center rods 6078 and second arc-shaped plates 6079 are arranged in the middle, the position of the second center rod 6078 and the second arc-shaped plate 6079 is adjusted by adjusting the position of the first moving block 6076, thereby adjusting the position of the wire and reducing the length of the wire in contact with the ground; a group of first center rods 6071 and first arc-shaped plates 6073 are arranged at the bottom to control the position of the wire of the reserved length.

[0088] The control assembly 608 includes:

[0089] A motor 6081 is installed inside the center cylinder 604;

[0090] A first disc 6082 is connected with the output end of the motor 6081;

[0091] A connecting column 6083 is connected with the first disc 6082, the connecting column 6083 is arranged as a six-prism, and the connecting column 6083 is arranged as rubber material;

[0092] The second disc 6084 is connected with the connecting column 6083.

[0093] The second sliding groove 6085 is arranged in the second disc 6084, and a plurality of second sliding grooves 6085 are arranged in the second disc 6084.

[0094] The second moving block 6086 is slidably connected in the second sliding groove 6085, and the second moving block 6086 is made of rubber.

[0095] The connecting rod 6087 is connected with the second moving block 6086, and the arc-shaped member 6088 is arranged on the outer portion of the connecting rod 6087.

[0096] The line in the square tube 606 is manually pulled into the center tube 604, the second moving block 6086 is manually placed in the second sliding groove 6085 closest to the center of the second disc 6084, at this time, the length of the arc-shaped member 6088 exposed from the second disc 6084 is the shortest, the line is manually wound outside the connecting column 6083, and a section of the line is reserved between the square tube 606 and the winding position, the wound line is between the first disc 6082 and the second disc 6084, the position of the second moving block 6086 in the second sliding groove 6085 is gradually adjusted, the arc-shaped member 6088 is gradually moved away from the second disc 6084, and the limiting range of the line is expanded. Then the line is manually threaded through the channel 610 and connected with the welding gun 3.

[0097] When it is necessary to adjust the length of the line between the welding gun 3 and the center tube 604, the motor 6081 is adjusted, the motor 6081 drives the first disc 6082, the connecting column 6083 and the second disc 6084 to deflect, and then drives the line to pay off or take up; when paying off, the two push rods 611 are adjusted to the initial state, the line is manually pulled outwards, the length of the line is adjusted, and the length of the line rubbing against the ground is reduced as much as possible; when taking up, the two push rods 611 are adjusted to the initial state, and the line enters the center tube 604 through the channel 610.

[0098] The control assembly 608 is arranged to pay off and take up the line. The four second moving blocks 6086 and the four arc-shaped members 6088 arranged in the second disc 6084 can move positions, the limiting range of the line is adjusted, the positions of the four arc-shaped members 6088 are gradually adjusted along with the winding work of the line, and the convenience of the winding work is improved.

[0099] Working principle: before using the device, the welding gun 3 is in the first support 2, the arc-shaped frame 601 is in the second support 5, and the line connecting the machine body 1 and the welding gun 3 is in the placing mechanism 6.

[0100] Before using the device, manually disassemble the plate in the square tube 606, and put the wire at the connecting port 4 from below to above into the square tube 606, manually push the first group of center rods 6071 at the top, the two first center rods 6071 drive the two first arc-shaped plates 6073 to move towards the wire until the wire is clamped and fixed, manually adjust the length of the adjusting rod in the two adjusting frames 6077, thereby adjusting the position of the second center rod 6078, and the second arc-shaped plate 6079 driven by the second center rod 6078 clamps and fixes the wire. Then reserve a length of wire, manually push the first group of center rods 6071 at the bottom, and the two first center rods 6071 drive the two first arc-shaped plates 6073 to move towards the wire until the wire is clamped and fixed.

[0101] Manually pull the wire in the square tube 606 into the center cylinder 604, manually place the second moving block 6086 in the second sliding groove 6085 closest to the center of the second disc 6084, at this time the length of the arc-shaped part 6088 exposed from the second disc 6084 is the shortest, manually wind the wire outside the connecting column 6083, and reserve a length of wire between the square tube 606 and the winding position, the wound wire is between the first disc 6082 and the second disc 6084, gradually adjust the position of the second moving block 6086 in the second sliding groove 6085 to make the arc-shaped part 6088 gradually move away from the second disc 6084, and expand the limiting range of the wire. Then manually pass the wire through the channel 610, and connect the wire with the welding gun 3.

[0102] When the device is not in use, open the push rod 611, the push rod 611 drives the angle plate 612 to move, and the two angle plates 612 clamp the wire at the channel 610, at this time the positions of the welding gun 3, the wire and the arc-shaped frame 601 are all limited.

[0103] When the arc-shaped frame 601 and the center cylinder 604 need to be moved, if the placement position is far away from the position of the machine body 1, manually adjust the direction of the center cylinder 604 so that the pulley 609 falls to the ground to push the center cylinder 604 until the center cylinder 604 is in the welding position, according to the welding range, select to use the gasket 605 to contact the ground or the table top or select to use the pulley 609 to contact the ground or the table top.

[0104] When it is necessary to move the overall position of the placing mechanism 6, manually pull the two first center rods 6071 at the bottom outwards, which drives the two first arc-shaped plates 6073 away from the line, and the line with reserved length gradually slides down after being out of control, thus reserving the working space for the movement of the placing mechanism 6. When the user places the placing mechanism 6 on the table or the ground, manually adjust the position of the first moving block 6076 in the first sliding groove 6075, and then adjust the position of the second center rod 6078 and the second arc-shaped plate 6079, which drives the line to move, and then reduces the length of the line in contact with the ground, and reduces the abrasion of the line caused by the friction with the ground.

[0105] When it is necessary to move the position of the center cylinder 604, adjust the control assembly 608, and then adjust the length between the line and the welding gun 3 and the length between the line and the connecting port 4.

[0106] When it is necessary to adjust the length of the line between the welding gun 3 and the center cylinder 604, adjust the motor 6081, which drives the first disc 6082, the connecting column 6083 and the second disc 6084 to deflect, and then drives the line to perform the work of paying out or winding up; when paying out, adjust the two push rods 611 to the initial state, manually pull the line outwards to adjust the length of the line, and reduce the length of the line in contact with the ground as much as possible; when winding up, adjust the two push rods 611 to the initial state, and the line enters the center cylinder 604 through the channel 610. Then the worker manually takes the welding gun 3 on the first support 2 to perform the welding work.

[0107] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A hand-held laser welder comprising a machine body (1), characterised in that, Also include: The first support (2) is installed outside the machine body (1); The welding gun (3) is arranged inside the first support (2); The connecting port (4) is opened in the inside of the machine body (1), and the line in the machine body (1) is connected with the welding gun (3) through the connecting port (4); The second support (5) is installed outside the machine body (1); The placing mechanism (6) is connected with the second support (5), the placing mechanism (6) includes an arc-shaped frame (601), the bottom of the arc-shaped frame (601) is provided with a telescopic rod (602), the bottom of the telescopic rod (602) is provided with a connecting frame (603), the outside of the connecting frame (603) is provided with a center cylinder (604), the inside of the center cylinder (604) is provided with a control assembly (608), and the line connecting the machine body (1) and the welding gun (3) is located in the placing mechanism (6); The placing mechanism (6) further includes: The gasket (605) is installed on the outside of the connecting frame (603), and a plurality of gaskets (605) are arranged; The pulley (609) is installed on the end of the connecting frame (603) away from the gasket (605); The square tube (606) is installed at the bottom of the center cylinder (604), the square tube (606) is communicated with the center cylinder (604), the inside of the square tube (606) is provided with a clamping assembly (607), and the inside of the square tube (606) is provided with a clamping assembly (607). The control assembly (608) includes: The motor (6081) is installed in the inside of the center cylinder (604); The first disc (6082) is connected with the output end of the motor (6081); The connecting column (6083) is connected with the first disc (6082); The second disc (6084) is connected with the connecting column (6083); The control assembly (608) further includes: The second sliding groove (6085) is opened in the inside of the second disc (6084), and a plurality of second sliding grooves (6085) are opened; The second moving block (6086) is slidably connected in the inside of the second sliding groove (6085), and the second moving block (6086) is made of rubber material; The connecting rod (6087) is connected with the second moving block (6086), and the outer side of the connecting rod (6087) is provided with an arc-shaped part (6088).

2. The handheld laser welding machine according to claim 1, wherein: The placing mechanism (6) further includes: The channel (610) is opened in the inside of the center cylinder (604); The push rod (611) is installed in the inside of the channel (610), the push rod (611) is provided with two, and the two are symmetrically arranged; An angle plate (612) is connected with the telescopic end of the push rod (611), and the angle plate (612) is made of rubber.

3. The handheld laser welder according to claim 1, wherein: The clamping assembly (607) comprises: A first center rod (6071) is slidingly connected inside the square tube (606), and the first center rod (6071) is made of rubber; A clamping plate (6072) is installed outside the first center rod (6071), and the outside of the clamping plate (6072) is provided with clamping blocks that are matched with clamping grooves.

4. The handheld laser welder according to claim 3, wherein: The clamping assembly (607) further comprises: A first arc-shaped plate (6073) is connected with the first center rod (6071); A brush head (6074) is installed at the bottom of the square tube (606), and a plurality of brush heads (6074) are uniformly arranged.

5. The handheld laser welder according to claim 4, wherein: The clamping assembly (607) further comprises: A first sliding groove (6075) is formed in the inside of the square tube (606), and two first sliding grooves (6075) are symmetrically arranged; A first moving block (6076) is slidingly connected inside the first sliding groove (6075), and the first moving block (6076) is made of rubber.

6. The handheld laser welder according to claim 5, wherein: The clamping assembly (607) further comprises: An adjusting frame (6077) is connected with the first moving block (6076); A second center rod (6078) is connected with the adjusting frame (6077), and the second center rod (6078) penetrates the inside of the first moving block (6076); A second arc-shaped plate (6079) is connected with the second center rod (6078).

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