CN114734145A

CN114734145A - Small-size handheld laser welding equipment of forced air cooling

Info

Publication number: CN114734145A
Application number: CN202210507245.8A
Authority: CN
Inventors: 王跃
Original assignee: Suzhou Mingjiang Laser Technology Co ltd
Current assignee: Suzhou Mingjiang Laser Technology Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-07-12
Anticipated expiration: 2042-05-11
Also published as: CN114734145B

Abstract

The invention discloses a small-sized air-cooled handheld laser welding device, which relates to the technical field of laser welding, the equipment discloses a welding box, a telescopic component is fixedly arranged in the welding box and used for driving an in-out frame to horizontally move, the in-out frame is rotatably provided with a positioning sleeve, a plurality of grooves are arranged in the positioning sleeve, a mounting frame is fixedly arranged in the grooves, an in-out belt is rotatably arranged on the mounting rack, a clamping component is also fixedly arranged in the groove, the clamping assembly is used for pushing the clamping block to move, the clamping block is used for clamping the connecting handle, the in-out belt is used for conveying the optical fiber, the optical fiber feeding and discharging device is arranged by matching the telescopic assembly, the in-out frame and the positioning sleeve, the rotation and the horizontal movement of the positioning sleeve can be met, and the use mode of the welding head can be switched by matching with the internal structure of the positioning sleeve.

Description

Small-size handheld laser welding equipment of forced air cooling

Technical Field

The invention relates to the technical field of laser welding, in particular to small-sized air-cooled handheld laser welding equipment.

Background

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source. Laser welding is one of the important aspects of the application of laser material processing techniques.

Along with the development of science and technology, handheld laser welding equipment has been developed in the market, and the heat dissipation and the cooling effect of current handheld laser welding equipment are not ideal, and the forced air cooling can only accomplish the directional cooling of certain scope, can't carry out abundant and even cooling to each face of butt welder, and then can't use laser welding for a long time. Meanwhile, the optical fiber of the existing handheld laser welding equipment is usually designed independently, when the optical fiber is required to be used, an operator is required to insert the optical fiber into the equipment, the carrying of the whole handheld laser welding equipment is inconvenient, and the optical fiber is required to be packed up by the operator after the optical fiber is used. The existing handheld laser welding equipment can only manually hold a welding gun for welding, and cannot select a welding method according to actual conditions.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a small air-cooled handheld laser welding device.

The purpose of the invention can be realized by the following technical scheme:

a small-sized air-cooled handheld laser welding device comprises a welding box, wherein a telescopic assembly is fixedly arranged in the welding box and used for driving an in-out frame to horizontally move, a positioning sleeve is rotatably arranged on the in-out frame, a plurality of grooves are formed in the positioning sleeve, a mounting frame is fixedly arranged in each groove, an in-out belt is rotatably arranged on the mounting frame, a clamping assembly is also fixedly arranged in each groove and used for pushing a clamping block to move, the clamping block is used for clamping a linking handle, and the in-out belt is used for conveying optical fibers;

the optical fiber welding device comprises a connecting handle, a welding head, an optical fiber, a welding machine, a supporting seat, two rotary rods, a rotary disk, a plurality of connecting frames and an air cooling fan, wherein the welding head is fixedly arranged on the connecting handle, one end of the connecting handle, which is far away from the welding head, is fixedly connected with the optical fiber, the supporting seat is fixedly arranged at the bottom of the welding machine, the two rotary rods are rotatably arranged at the bottom of the supporting seat, the rotary disk is fixedly arranged on the rotary rods, the two rotary disks are connected through rotary chain transmission, the connecting frames are fixedly arranged on the rotary chains, and the air cooling fan is slidably arranged on the connecting frames;

a moving rod is arranged in the welding box in a sliding manner;

welding incasement slidable mounting has the mobile station, fixed mounting has the jacking subassembly in the mobile station, the jacking subassembly is used for driving the jacking frame and goes up and down, fixed mounting has the translation alignment jig on the jacking frame, the last rotational mounting of translation alignment jig has the translation belt.

Furthermore, a driving assembly is fixedly mounted on the access frame and used for driving the first gear to rotate, a second gear is fixedly mounted on the positioning sleeve, and the first gear and the second gear are meshed with each other.

Further, a plurality of business turn over wheels are installed in the rotation on the mounting bracket, are connected through business turn over belt transmission between a plurality of business turn over wheels, fixed mounting has the business turn over subassembly on the mounting bracket, the business turn over subassembly is used for driving the business turn over wheel and rotates.

Further, the rotary rod rotates and installs in welding bottom of the case inner wall, welding bottom of the case inner wall fixed mounting has rotating assembly, rotating assembly is used for driving belt pulley one rotatory, and fixed mounting has belt pulley two on one of them rotary rod, be connected through belt transmission between belt pulley one and the belt pulley two.

Further, fixed mounting has lifting unit on the link, lifting unit is used for driving the second lead screw rotatory, second lead screw threaded connection forced air cooling fan.

Furthermore, a fixed side shell is fixedly installed on the welding box, a moving assembly is fixedly installed on the fixed side shell and used for driving a first lead screw to rotate, the first lead screw is in threaded connection with a moving seat, and the moving seat is fixedly connected with a moving rod.

Furthermore, a heat dissipation fin is arranged on one side of the welding box, a handle is fixedly mounted on one side of the mobile station, a fixing frame is fixedly mounted on the inner wall of the bottom of the welding box, the rotating chain is rotatably mounted on the fixing frame, and an inlet and an outlet are formed in one side of the welding box.

Furthermore, a plurality of translation wheels are rotatably installed on the translation adjusting frame, the translation wheels are connected through a translation belt in a transmission manner, and a translation assembly is fixedly installed on the translation adjusting frame and is used for driving the translation wheels to rotate.

Furthermore, when the to-be-welded part is inconvenient to move, the in-out assembly drives the in-out wheel to rotate, the in-out wheel drives the in-out belt to rotate, the in-out belt sends the optical fiber out of the welding box, meanwhile, the moving assembly drives the first lead screw to rotate, the first lead screw drives the moving rod to horizontally move through the moving seat, the welding head can be manually held to perform laser welding on the to-be-welded part, the in-out belt stops rotating after the sending-out distance of the optical fiber is enough, and meanwhile, the moving rod stops moving;

when a to-be-welded piece is convenient to move, a handle is pulled to pull out a moving platform, the to-be-welded piece is placed on the moving platform, a clamping assembly drives clamping blocks to move, a plurality of clamping blocks clamp a linking handle, a telescopic assembly drives an in-out frame to move horizontally, an in-out frame drives a positioning sleeve to move horizontally, the positioning sleeve passes through an inlet and an outlet and moves out of a welding box, the welding head can be adjusted to be above the to-be-welded piece, a driving assembly drives a gear to rotate, the gear I is matched with a gear II to drive the positioning sleeve to rotate, the positioning sleeve drives the linking handle to rotate, the welding head rotates, the angle of the welding head can be adjusted, the jacking assembly jacks up the jacking frame, the to-be-welded piece can be driven by a translation adjusting frame to ascend, the to-be-adjusted, the distance between the to-be-welded piece and the welding head is adjusted, the translation assembly drives a translation wheel to rotate in the welding process of the to-be-welded piece, and the translation wheel drives a translation belt to rotate, further driving the piece to be welded to move horizontally;

rotatory subassembly drive belt pulley rotates among the welding process, belt pulley cooperation belt drives belt pulley two and rotates, belt pulley two drives the rotary rod and rotates, the rotary rod drives the rotary disk and rotates, the rotary disk drives the rotating link and rotates on the mount, the rotary link moves the link and moves around the welding machine, the air-cooled fan butt welder on the link cools down the processing, lifting unit drive second lead screw rotates, the second lead screw drives the air-cooled fan and goes up and down at the link, air-cooled fan butt welder cools down the processing.

The invention has the beneficial effects that:

(1) the rotation and horizontal movement of the positioning sleeve can be met through the matching arrangement of the telescopic assembly, the access frame and the positioning sleeve, meanwhile, the use mode of the welding head can be switched through the matching arrangement of the internal structure of the positioning sleeve, when the workpiece to be welded is inconvenient to move, the optical fiber can be sent out from the welding box according to actual requirements, the welding head can be manually held to carry out laser welding on the workpiece to be welded, when the workpiece to be welded is convenient to move, the workpiece to be welded can be placed on a moving platform drawn out of the welding box, the position of the welding head can be automatically adjusted, the welding angle can be adjusted at the same time, through the design of the movable platform capable of being drawn and the internal structure, the movable platform can be contained in the welding box when not in use, the movable platform is drawn out when in use, the placing position of the workpiece to be welded is provided, and through the arrangement of the liftable translation adjusting frame and the translation belt, the position of the workpiece to be welded can be adjusted in a biaxial direction, the welding of the workpiece to be welded can be automatically completed by matching with a welding head capable of horizontally moving;

(2) through the setting of mobilizable carriage release in the welding box, can cooperate and receive and release optic fibre, can avoid optic fibre to accomodate the winding condition that appears in the welding box, accomodate optic fibre in the welding box simultaneously, promote the portability of whole handheld laser welding equipment, extra artifical rolling optic fibre when not needing to carry and holding laser welding equipment again, setting through rotatory swivel chain, can drive a plurality of links and remove around the welding machine circulation, set up the air-cooled fan that can slide and go up and down on the link simultaneously, need not to set up the air-cooled fan of large quantity and can carry out abundant forced air cooling to global of butt welding machine, the forced air cooling is effectual.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a compact, air-cooled, hand-held laser welding apparatus of the present invention;

FIG. 2 is a cross-sectional view of the weld box of the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 2;

FIG. 4 is a cross-sectional view of a locating sleeve of the present invention;

FIG. 5 is an installation view of the adapter handle of the present invention;

FIG. 6 is an installation view of the welder of the present invention;

FIG. 7 is an installation view of the attachment bracket of the present invention;

FIG. 8 is a top view of the mount of the present invention;

FIG. 9 is a side view of the attachment bracket of the present invention;

fig. 10 is an internal structural view of a mobile station of the present invention;

fig. 11 is an internal structural view of a fixed-side case of the present invention.

In the figure: 100. welding a box; 101. a welding head; 102. a connecting handle; 103. an optical fiber; 104. a telescoping assembly; 105. getting in and out of the rack; 106. a positioning sleeve; 107. a drive assembly; 108. a first gear; 109. a second gear; 110. a groove; 111. a clamping assembly; 112. a clamping block; 114. a mounting frame; 115. a belt is fed in and out; 116. an in-out assembly; 120. a travel bar; 121. a fixed-side case; 122. a moving assembly; 123. a first lead screw; 124. a movable seat; 125. rotating the rod; 126. a supporting seat; 127. a welding machine; 128. a rotating assembly; 129. a first belt pulley; 130. a second belt pulley; 131. an inlet and an outlet; 132. heat dissipation fins; 200. a fixed mount; 201. a rotating chain; 202. a connecting frame; 203. a lifting assembly; 204. a second lead screw; 205. rotating the disc; 206. an air cooling fan; 300. a mobile station; 301. a jacking assembly; 302. a jacking frame; 303. a translation adjusting bracket; 304. a translation assembly; 305. the belt is translated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention is a small air-cooled handheld laser welding apparatus, including a welding box 100, a telescopic assembly 104 fixedly installed in the welding box 100, the telescopic assembly 104 being used to drive an in-out frame 105 to move horizontally, and a positioning sleeve 106 rotatably installed on the in-out frame 105. A plurality of grooves 110 are formed in the positioning sleeve 106, a mounting frame 114 is fixedly mounted in the grooves 110, an in-out belt 115 is rotatably mounted on the mounting frame 114, and a clamping assembly 111 is further fixedly mounted in the grooves 110. The clamping assembly 111 is used for pushing the clamping block 112 to move, the clamping block 112 is used for clamping the connecting handle 102, the in-out belt 115 is used for conveying the optical fiber 103, the welding head 101 is fixedly arranged on the connecting handle 102, one end, far away from the welding head 101, of the connecting handle 102 is fixedly connected with the optical fiber 103, and the optical fiber 103 is fixedly connected with the welding machine 127. A driving assembly 107 is fixedly mounted on the access frame 105, the driving assembly 107 is used for driving a first gear 108 to rotate, a second gear 109 is fixedly mounted on the positioning sleeve 106, and the first gear 108 is meshed with the second gear 109. A plurality of inlet and outlet wheels are rotatably mounted on the mounting frame 114, the inlet and outlet wheels are in transmission connection through an inlet and outlet belt 115, an inlet and outlet assembly 116 is fixedly mounted on the mounting frame 114, and the inlet and outlet assembly 116 is used for driving the inlet and outlet wheels to rotate. An inlet/outlet 131 is formed at one side of the welding box 100. A plurality of translation wheels are rotatably mounted on the translation adjusting frame 303, the translation wheels are in transmission connection through a translation belt 305, a translation assembly 304 is fixedly mounted on the translation adjusting frame 303, and the translation assembly 304 is used for driving the translation wheels to rotate. The telescopic assembly 104, the access frame 105 and the positioning sleeve 106 are matched, so that the rotation and horizontal movement of the positioning sleeve 106 can be met, meanwhile, the use mode of the welding head 101 can be switched by matching the internal structure of the positioning sleeve 106, when a to-be-welded part is inconvenient to move, the optical fiber 103 can be sent out from the welding box 100 according to actual requirements, the welding head 101 can be manually held to perform laser welding on the to-be-welded part, when the to-be-welded part is convenient to move, the to-be-welded part can be placed on the moving table 300 drawn out from the welding box 100, the position of the welding head 101 can be automatically adjusted, and the welding angle can be adjusted;

referring to fig. 11, a fixed side housing 121 is fixedly installed on the welding box 100, a moving assembly 122 is fixedly installed on the fixed side housing 121, the moving assembly 122 is used for driving a first lead screw 123 to rotate, the first lead screw 123 is in threaded connection with a moving base 124, and the moving base 124 is fixedly connected with a moving rod 120. Sliding mounting has carriage release lever 120 in welding case 100, and through the setting of mobilizable carriage release lever 120 in welding case 100, can cooperate and receive and release optic fibre 103, can avoid optic fibre 103 to accomodate the winding condition to appear in welding case 100, accomodate optic fibre 103 in welding case 100 simultaneously, promote whole handheld laser welding equipment's portability, need not carry extra artifical rolling optic fibre 103 when holding laser welding equipment again.

Referring to fig. 10, a heat sink 132 is disposed on one side of the soldering chamber 100, and a handle is fixedly mounted on one side of the mobile station 300. Welded box 100 slidable mounting has a mobile station 300, and fixed mounting has jacking subassembly 301 in the mobile station 300, and jacking subassembly 301 is used for driving jacking frame 302 and goes up and down, and fixed mounting has translation alignment jig 303 on jacking frame 302, rotates on the translation alignment jig 303 and installs translation belt 305. Through the design of the drawable mobile station 300 and the internal structure thereof, the mobile station 300 can be accommodated in the welding box 100 when not in use, the mobile station 300 is drawn out when in use, a placing position is provided for a to-be-welded part, meanwhile, the position of the to-be-welded part can be adjusted in the double-shaft direction through the liftable translation adjusting frame 303 and the translation belt 305, and the welding of the to-be-welded part can be automatically completed by matching with the horizontally movable welding head 101.

Example 2

Referring to fig. 6 to 9, on the basis of embodiment 1, a supporting seat 126 is fixedly installed at the bottom of a welding machine 127, two rotating rods 125 are rotatably installed at the bottom of the supporting seat 126, a rotating disk 205 is fixedly installed on the rotating rods 125, the two rotating disks 205 are in transmission connection through a rotating chain 201, a plurality of connecting frames 202 are fixedly installed on the rotating chain 201, an air cooling fan 206 is slidably installed on the connecting frames 202, the rotating rods 125 are rotatably installed on the inner wall of the bottom of a welding box 100, a rotating assembly 128 is fixedly installed on the inner wall of the bottom of the welding box 100, the rotating assembly 128 is used for driving a first pulley 129 to rotate, a second pulley 130 is fixedly installed on one rotating rod 125, and the first pulley 129 is in transmission connection with the second pulley 130 through a belt. The connecting frame 202 is fixedly provided with a lifting assembly 203, the lifting assembly 203 is used for driving a second lead screw 204 to rotate, and the second lead screw 204 is in threaded connection with an air cooling fan 206. The inner wall fixed mounting in welding case 100 bottom has mount 200, and swivel chain 201 rotates and installs on mount 200, and through the setting of swivel chain 201, can drive a plurality of links 202 circular motion around welding machine 127, set up slidable lift's air-cooled fan 206 on the link 202 simultaneously, need not to set up the air-cooled fan 206 of large quantity and can carry out abundant air-cooling to the global of welding machine 127, and air-cooled is effectual.

The working process of the small air-cooling handheld laser welding equipment of the embodiment is as follows:

when the to-be-welded piece is inconvenient to move, the in-out component 116 drives the in-out wheel to rotate, the in-out wheel drives the in-out belt 115 to rotate, the in-out belt 115 sends the optical fiber 103 out of the welding box 100, meanwhile, the moving component 122 drives the first lead screw 123 to rotate, the first lead screw 123 drives the moving rod 120 to horizontally move through the moving seat 124, the welding head 101 can be manually held to perform laser welding on the to-be-welded piece, the in-out belt 115 stops rotating after the sending-out distance of the optical fiber 103 is enough, and meanwhile, the moving rod 120 stops moving;

when a to-be-welded piece is convenient to move, a handle is pulled to pull out the moving platform 300, the to-be-welded piece is placed on the moving platform 300, the clamping assembly 111 drives the clamping blocks 112 to move, the plurality of clamping blocks 112 clamp the connecting handle 102, the telescopic assembly 104 drives the in-out frame 105 to horizontally move, the in-out frame 105 drives the positioning sleeve 106 to horizontally move, the positioning sleeve 106 penetrates through the inlet/outlet 131 and moves out of the welding box 100, the welding head 101 horizontally moves, the welding head 101 can be adjusted to be above the to-be-welded piece, the driving assembly 107 drives the gear one 108 to rotate, the gear one 108 is matched with the gear two 109 to drive the positioning sleeve 106 to rotate, the positioning sleeve 106 drives the connecting handle 102 to rotate, the welding head 101 rotates, the angle of the welding head 101 can be adjusted, the jacking assembly 301 jacks the jacking frame 302, the to-be-welded piece can be driven by the translation adjusting frame 303 to lift, the to-be-welded piece and the distance between the to-be-welded piece and the welding head 101 can be adjusted, the translation assembly 304 drives the translation wheel to rotate in the welding process of the to-be-welded piece, the translation wheel drives the translation belt 305 to rotate, so as to drive the piece to be welded to move horizontally;

in the welding process, the first belt pulley 129 is driven by the rotating assembly 128 to rotate, the first belt pulley 129 is matched with a belt to drive the second belt pulley 130 to rotate, the second belt pulley 130 drives the rotating rod 125 to rotate, the rotating rod 125 drives the rotating disc 205 to rotate, the rotating disc 205 drives the rotating chain 201 to rotate on the fixing frame 200, the rotating chain 201 drives the connecting frame 202 to circularly move around the welding machine 127, the air cooling fan 206 on the connecting frame 202 cools the welding machine 127, the lifting assembly 203 drives the second lead screw 204 to rotate, the second lead screw 204 drives the air cooling fan 206 to lift on the connecting frame 202, and the air cooling fan 206 cools the welding machine 127.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The small-sized air-cooled handheld laser welding equipment comprises a welding box (100) and is characterized in that a telescopic component (104) is fixedly mounted in the welding box (100), the telescopic component (104) is used for driving an in-out frame (105) to horizontally move, a positioning sleeve (106) is rotatably mounted on the in-out frame (105), a plurality of grooves (110) are formed in the positioning sleeve (106), a mounting frame (114) is fixedly mounted in each groove (110), an in-out belt (115) is rotatably mounted on the mounting frame (114), a clamping component (111) is further fixedly mounted in each groove (110), the clamping component (111) is used for pushing a clamping block (112) to move, the clamping block (112) is used for clamping and connecting a handle (102), and the in-out belt (115) is used for conveying optical fibers (103);

the welding head (101) is fixedly installed on the connecting handle (102), one end, far away from the welding head (101), of the connecting handle (102) is fixedly connected with the optical fiber (103), the optical fiber (103) is fixedly connected with the welding machine (127), a supporting seat (126) is fixedly installed at the bottom of the welding machine (127), two rotating rods (125) are rotatably installed at the bottom of the supporting seat (126), a rotating disk (205) is fixedly installed on each rotating rod (125), the two rotating disks (205) are in transmission connection through a rotating chain (201), a plurality of connecting frames (202) are fixedly installed on each rotating chain (201), and an air cooling fan (206) is slidably installed on each connecting frame (202);

a moving rod (120) is arranged in the welding box (100) in a sliding manner;

it has mobile station (300) to slide to install in welding case (100), fixed mounting has jacking subassembly (301) in mobile station (300), jacking subassembly (301) are used for driving jacking frame (302) to go up and down, fixed mounting has translation alignment jig (303) on jacking frame (302), translation belt (305) are installed in the rotation on translation alignment jig (303).

2. The small-sized air-cooled handheld laser welding equipment according to claim 1, characterized in that a driving component (107) is fixedly installed on the access frame (105), the driving component (107) is used for driving a first gear (108) to rotate, a second gear (109) is fixedly installed on the positioning sleeve (106), and the first gear (108) and the second gear (109) are meshed with each other.

3. The small-sized air-cooled handheld laser welding equipment according to claim 2, characterized in that a plurality of inlet and outlet wheels are rotatably mounted on the mounting frame (114), the inlet and outlet wheels are in transmission connection with each other through an inlet and outlet belt (115), an inlet and outlet assembly (116) is fixedly mounted on the mounting frame (114), and the inlet and outlet assembly (116) is used for driving the inlet and outlet wheels to rotate.

4. The small-sized air-cooled handheld laser welding equipment according to claim 3, wherein the rotating rod (125) is rotatably installed on the inner wall of the bottom of the welding box (100), the rotating component (128) is fixedly installed on the inner wall of the bottom of the welding box (100), the rotating component (128) is used for driving the first belt pulley (129) to rotate, the second belt pulley (130) is fixedly installed on one rotating rod (125), and the first belt pulley (129) is in transmission connection with the second belt pulley (130) through a belt.

5. The small-sized air-cooled handheld laser welding device according to claim 4, characterized in that a lifting assembly (203) is fixedly mounted on the connecting frame (202), the lifting assembly (203) is used for driving a second lead screw (204) to rotate, and the second lead screw (204) is in threaded connection with an air cooling fan (206).

6. The small-sized air-cooled handheld laser welding equipment as claimed in claim 5, wherein a fixed side shell (121) is fixedly installed on the welding box (100), a moving assembly (122) is fixedly installed on the fixed side shell (121), the moving assembly (122) is used for driving a first lead screw (123) to rotate, the first lead screw (123) is in threaded connection with a moving base (124), and the moving base (124) is fixedly connected with a moving rod (120).

7. The small-sized air-cooled handheld laser welding equipment according to claim 1, wherein a heat dissipation fin (132) is arranged on one side of the welding box (100), a handle is fixedly installed on one side of the mobile station (300), a fixing frame (200) is fixedly installed on the inner wall of the bottom of the welding box (100), the rotating chain (201) is rotatably installed on the fixing frame (200), and an inlet and an outlet (131) are formed in one side of the welding box (100).

8. The small-sized air-cooled handheld laser welding equipment as claimed in claim 1, wherein a plurality of translation wheels are rotatably mounted on the translation adjusting frame (303), the translation wheels are in transmission connection with each other through a translation belt (305), a translation assembly (304) is fixedly mounted on the translation adjusting frame (303), and the translation assembly (304) is used for driving the translation wheels to rotate.