CN114131197A - Laser welding gun - Google Patents

Laser welding gun Download PDF

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Publication number
CN114131197A
CN114131197A CN202111648287.5A CN202111648287A CN114131197A CN 114131197 A CN114131197 A CN 114131197A CN 202111648287 A CN202111648287 A CN 202111648287A CN 114131197 A CN114131197 A CN 114131197A
Authority
CN
China
Prior art keywords
welding gun
heat dissipation
main body
cooling
tail cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111648287.5A
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Chinese (zh)
Inventor
徐海军
李瑞清
张秀娟
朱亚辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Thermal Stimulation Optical Technology Co ltd
Original Assignee
Zhejiang Thermal Stimulation Optical Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Thermal Stimulation Optical Technology Co ltd filed Critical Zhejiang Thermal Stimulation Optical Technology Co ltd
Priority to CN202111648287.5A priority Critical patent/CN114131197A/en
Publication of CN114131197A publication Critical patent/CN114131197A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment
    • B23K26/703Cooling arrangements

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

The application relates to a laser welding gun, including: the welding gun comprises a welding gun body and a galvanometer motor arranged on the welding gun body, wherein the welding gun body is connected with a protective cover of the galvanometer motor; the welding gun comprises a welding gun body and a protective cover, wherein the protective cover is provided with an air cooling assembly for directly blowing and cooling the welding gun body, and the welding gun body and the protective cover are both provided with heat dissipation assemblies. The safety cover of connecting on the welder body can play good guard action to the mirror motor that shakes, avoids the received return light heat transfer of welder body on the mirror motor that shakes, through installing the forced air cooling subassembly on the safety cover of mirror motor that shakes to and set up radiator unit on welder body and safety cover, can strengthen the holistic radiating effect of laser welder.

Description

Laser welding gun
Technical Field
The application relates to the technical field of laser welding, in particular to a laser welding gun.
Background
In the laser welding field, laser welding gun is more and more receiving extensive attention as simple structure and convenient operation's hand-held type laser welding equipment.
The laser welding gun generally performs welding by emitting laser light, and comprises a mirror vibration motor and a laser vibration mirror connected to the mirror vibration motor, wherein the mirror vibration motor can swing a certain angle according to a conversion ratio of a certain voltage and the angle by inputting a position signal to the mirror vibration motor, so that the laser vibration mirror is driven to change the route of the laser light to enable the laser light to be emitted.
The stability of mirror motor that shakes in the operation is crucial, and the heat of returning light can conduct to the mirror motor position that shakes through the welder body in laser welder's use, and this needs effectively cool down laser welder, satisfies the performance reliability of mirror motor that shakes.
In addition, the laser welding gun generally performs a welding operation in a handheld manner, and heat radiated by laser return light and heat excited by laser when the welding gun is in use are transferred to a handle part on a welding gun shell under the action of heat conduction, so that the reliable holding of the laser welding gun is influenced.
Most of cooling of the existing laser welding gun is carried out through water cooling, effective cooling of a vibrating mirror motor cannot be achieved, although the laser welding gun in an air cooling mode exists, the laser welding gun only has simple internal ventilation on the air cooling laser welding gun, a good heat dissipation effect cannot be achieved, and long-time use of the laser welding gun cannot be guaranteed.
How to enhance the heat dissipation performance of the handheld laser welding gun is a problem which needs to be solved urgently.
Disclosure of Invention
The utility model provides a laser welding gun, this laser welding gun can force the heat dissipation cooling to the welding gun body, avoids vibrating the mirror motor and is in high temperature environment, does benefit to long-time handheld operation when guaranteeing to vibrate mirror motor stability of performance, reduces to scald the risk and improves the safety in utilization.
In order to achieve the above object, the present invention provides a laser welding gun comprising: the welding gun comprises a welding gun body and a galvanometer motor arranged on the welding gun body, wherein the welding gun body is connected with a protective cover of the galvanometer motor;
the welding gun comprises a welding gun body and a protective cover, wherein the protective cover is provided with an air cooling assembly for directly blowing and cooling the welding gun body, and the welding gun body and the protective cover are both provided with heat dissipation assemblies.
The safety cover of connecting on the welder body can play good guard action to the mirror motor that shakes, avoids the received return light heat transfer of welder body on the mirror motor that shakes, through installing the forced air cooling subassembly on the safety cover of mirror motor that shakes to and set up radiator unit on welder body and safety cover, can strengthen the holistic radiating effect of laser welder.
Through directly blowing the cooling to the safety cover, can form the radiating effect of initiative, reduce the gathering of heat at the mirror motor position that shakes, guarantee the stable performance of mirror motor when moving that shakes. The air cooling assembly does not need to be connected with a water cooling pipeline, the working condition and the operation requirement are relatively low, and the air cooling assembly is not easily influenced by the external environment during operation.
The heat dissipation assembly on the welding gun body and the protective cover can timely guide the return light heat generated by the welding gun when in use through a heat conduction mode, and realize the external dissipation of the heat under the action of the forced cooling air cooling assembly, thereby effectively improving the heat dissipation effect of the laser welding gun and enhancing the performance stability and operability of the laser welding gun. Simultaneously, the combination of radiator unit and forced cooling's of forced cooling of welding gun body effect can be formed to radiator unit and forced cooling's combination, has reduced the bulk temperature of welding gun body, prevents accidents such as scald, has strengthened the security of whole use.
In an optional embodiment, the welding gun body comprises a main body seat, the galvanometer motor is installed on the main body seat, the protective cover comprises a welding gun tail cover connected to the main body seat, and the air cooling assembly is installed at the outer end of the welding gun tail cover.
Through connecting the welder hood on the main part seat, made things convenient for and carried out thermal-insulated protection to the mirror motor that shakes, the air-cooled subassembly of combination installation on welder hood outer end simultaneously can carry out forced cooling to the mirror motor that shakes effectively, does not set up other subassemblies in welder hood department, has made things convenient for the installation of air-cooled subassembly, has avoided sheltering from to the air inlet face, has better ventilation effect.
In an optional embodiment, the air cooling assembly comprises a heat dissipation fan mounted on the welding gun tail cover, the outer end of the welding gun tail cover is of an open structure, and the heat dissipation fan is mounted on the opening of the welding gun tail cover in a nested manner.
The open structure at the outer end of the welding gun tail cover provides more operation space, and the assembly of the cooling fan on the welding gun tail cover is facilitated through the nested installation mode.
In an optional implementation manner, a protective baffle is arranged in the middle of the welding gun tail cover, the galvanometer motor and the cooling fan are arranged on two sides of the protective baffle, the cooling fan is installed right opposite to the protective baffle, and a gap is reserved between the protective baffle and the cooling fan.
The protection baffle plate arranged in the middle of the welding gun tail cover can effectively isolate heat on the welding gun body, prevents return light heat from being transferred to the position of the vibrating mirror motor in a heat conduction or heat radiation mode, and constitutes effective protection for the vibrating mirror motor.
Through setting up galvanometer motor and radiator fan in the both sides of guard flap to make radiator fan directly blow to guard flap, can in time take away most heat that the welder body transmitted to on the welder tail-hood, the space that sets up between guard flap and radiator fan provides necessary buffer space for radiator fan's air-out, and the radiator fan obtains assaulting on guard flap after preliminary vortex, makes the fan air-out fully derive the heat.
In an alternative embodiment, the heat dissipation assembly includes heat dissipation fins disposed on the main body socket and the welding gun tail cover, and the heat dissipation fins include a plurality of strips arranged at intervals and extending in parallel.
The radiating fins arranged on the main body seat and on the welding gun tail cover increase the radiating area, improve the heat dissipation capacity, and a plurality of radiating fins arranged at intervals can form a plurality of radiating channels, so that the heat accumulated in the radiating channels can be quickly led out under the action of the radiating fan.
In an optional embodiment, the heat dissipation fins on the main body seat are closely attached to the heat dissipation fins on the welding gun tail cover, a through groove is formed between every two adjacent heat dissipation fins, and the through groove is communicated with the air outlet space of the heat dissipation fan.
The radiating fins on the main body seat and the radiating fins on the welding gun tail cover are tightly attached to form a smooth heat transfer channel, so that the return light heat received by the welding gun main body can be transferred to the welding gun tail cover from the main body seat, and then the heat on the welding gun tail cover is timely guided out under the action of the radiating fan.
Meanwhile, the through grooves arranged between the adjacent radiating fins can ensure the smoothness of the radiating channels, the through grooves are communicated with the air outlet space of the radiating fan, the air outlet of the radiating fan flows to the front ends of the through grooves through the tail ends of the through grooves, the radiating fins are cooled on one hand in the flowing process, on the other hand, heat gathered in the radiating channels is led out, and the heat is dissipated by the through grooves through the front ends of the through grooves, namely the through grooves are close to the openings at the end parts of the main body seats to discharge air outwards.
In an optional embodiment, a heat dissipation baffle is connected between the main body seat and the welding gun tail cover, and the heat dissipation baffle covers the outer side of the heat dissipation fin.
The radiating baffle plate covered on the outer side of the radiating fin can form a radiating channel with a semi-closed structure, and when the radiating fan runs, the gas flow velocity of cooling air in the radiating channel can be improved, so that the requirement of rapid heat dissipation is met.
In an alternative embodiment, a cooling air duct is arranged in the main body seat in a penetrating manner.
Except the external passage that the heat dissipation channel constitutes, through link up on the main part seat and set up cooling duct, can further increase heat radiating area, make the inside radiating effect of laser welder obtain obviously improving.
In an alternative embodiment, a welding head is connected to the main body seat, a window mirror is mounted at the connection position of the welding head and the main body seat, and an airflow channel leading to the window mirror is arranged at the front end of the main body seat.
The airflow channel leading to the window mirror can convey cooling air to the position of the window mirror, blowing air of the laser welding gun is formed, the window mirror is effectively blown, and welding slag is prevented from being accumulated at the position of the window mirror.
In an alternative embodiment, the airflow channel includes a plurality of airflow channels, the plurality of airflow channels are uniformly distributed in the circumferential direction of the main body seat at intervals, and each airflow channel is bent and coiled inside the main body seat.
The air flow channel that the bending was coiled can increase the area of contact of sweeping wind and main part seat, can take away partial heat on the main part seat when satisfying the window mirror and sweeping, has had the heat dissipation function of sweeping concurrently.
Additional features and advantages of the present application will be described in detail in the detailed description which follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic view of the position of an air cooling assembly and a heat dissipating assembly on a torch body according to the present disclosure;
FIG. 2 is a schematic view of the mounting structure of the air cooling assembly on the welding gun body;
FIG. 3 is a schematic structural diagram of a heat dissipation assembly;
FIG. 4 is a schematic structural diagram of a heat dissipation fin;
FIG. 5 is a schematic cross-sectional view of a laser welding torch;
fig. 6 is a schematic structural view of the airflow passage.
Icon:
1-a welding gun body; 11-a main body seat; 12-welding gun tail cover; 13-a welding head; 14-a housing chamber; 15-an airflow channel; 16-a protective barrier;
2-a galvanometer motor;
3-a heat dissipation fan;
4-radiating fins;
5-heat dissipation baffle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1-6, the present application provides a laser welding gun comprising: the welding gun comprises a welding gun body 1 and a galvanometer motor 2 installed on the welding gun body 1, wherein the welding gun body 1 is connected with a protective cover of the galvanometer motor 2;
the welding gun comprises a welding gun body 1 and a protective cover, wherein the protective cover is provided with an air cooling assembly for directly blowing and cooling the welding gun body, and the welding gun body 1 and the protective cover are both provided with heat dissipation assemblies.
The application provides a laser welding gun, mainly used laser welding to through air-cooled subassembly and the radiator unit that sets up in time derive the heat that laser welding gun produced at the operation in-process.
In the cooling of the existing laser welding gun, a water cooling mode is generally adopted, and the influence of the return light heat generated by the laser welding gun in the use process on the performance of the galvanometer motor 2 is not fully considered.
The safety cover of connecting on the welder body 1, can play good guard action to the mirror motor 2 that shakes, avoid the transmission of the return light heat that welder body 1 received on the mirror motor 2 that shakes, can play the isolated protection in space effect to the mirror motor 2 that shakes on the one hand through the safety cover, on the other hand can make the heat transfer on the welder body 1 to the safety cover, and outside loss of heat after will transferring under the forced heat dissipation of forced cooling subassembly, thereby realize laser welder's whole radiating effect.
Through installing the air-cooled subassembly on the guard shield that encloses at mirror motor 2 that shakes, and make the air-cooled subassembly blow directly to the guard shield, can in time derive the heat of gathering near mirror motor 2 that shakes, the radiator unit of setting on welder body 1 and guard shield, can take away the return light heat that welder body 1 received through heat-conducting form, the air-out face of air-cooled subassembly can cover radiator unit's peripheral profile, the cooling air that makes the air-cooled subassembly acts on radiator unit simultaneously, thermal effective loss has been made things convenient for, obviously improve laser welder global radiating effect.
Specifically, welder body 1 includes main part seat 11, and the mirror motor 2 that shakes is installed on main part seat 11, and preferably, the mirror motor 2 that shakes is installed at the afterbody of main part seat 11, does not establish other subassemblies at the afterbody of main part seat 11, has made things convenient for the installation of mirror motor 2 that shakes, and the safety cover specifically includes welder tail cover 12 of connection on main part seat 11, does benefit to and insulates against heat the protection to mirror motor 2 that shakes, and has guaranteed comparatively abundant heat dissipation space. The air cooling subassembly is installed in the outer end of welder hood 12, has made things convenient for the installation of air cooling subassembly, has avoided simultaneously that other subassemblies of welder body 1 shelter from to 3 air inlet faces of radiator fan, have improved ventilation effect.
The air cooling assembly in this embodiment is specifically a cooling fan 3, the cooling fan 3 is installed on the welding gun tail cover 12, and the end portion of the welding gun tail cover 12, which is away from the galvanometer motor 2, is an open structure, the cooling fan 3 is installed on the opening of the welding gun tail cover 12 in an embedded manner, so that the assembly of the cooling fan 3 on the welding gun tail cover 12 is facilitated, meanwhile, the air outlet face of the cooling fan 3 can cover the peripheral profile of the cooling assembly, the cooling fan 3 is specifically installed towards the welding gun tail cover 12, the cooling assembly is arranged on the air outlet path of the cooling fan 3, and the heat on the cooling assembly is guided out through cooling air.
The mirror motor 2 that shakes specifically installs the afterbody at main part seat 11, and the mirror motor 2 part that shakes exposes in the afterbody of main part seat 11, and the whole cover of welder tail cover 12 is established in the outside that the mirror motor 2 that shakes exposes the part, is provided with guard flap 16 in the middle part of welder tail cover 12, can effectively isolate the heat on the welder body 1, prevents that the return light heat from shifting to mirror motor 2 position that shakes with heat-conduction or thermal radiation's form, has constituted the effective protection to mirror motor 2 that shakes. Preferably, there is a gap between the protective shield 16 and the galvanometer motor 2, reducing the likelihood of heat being conducted through the protective shield 16 to the galvanometer motor 2.
The galvanometer motor 2 and the cooling fan 3 are arranged on two sides of the protective baffle 16, and the cooling fan 3 is installed right opposite to the protective baffle 16, so that the protective baffle 16 and the welding gun tail cover 12 can be directly cooled forcibly, and heat transmitted to the welding gun tail cover 12 by the welding gun body 1 is taken away in time. In order to strengthen the forced cooling effect of the cooling fan 3 on the welding gun tail cover 12, a gap is reserved between the protective baffle 16 and the cooling fan 3, a necessary buffer space can be provided for the air outlet of the cooling fan 3 through the gap, the heat dissipation airflow is impacted on the protective baffle 16 after being primarily disturbed, and the airflow can be baffled to pass through the cooling assembly after being impacted, so that the air outlet of the fan can fully guide out the generated heat.
The heat dissipation assembly comprises a part of heat dissipation fins 4 arranged on the main body seat 11, preferably, the part of heat dissipation fins 4 are arranged at the tail part of the main body seat 11, in addition, the main body of the heat dissipation assembly comprises the heat dissipation fins 4 arranged on the outer side wall of the welding gun tail cover 12, the heat dissipation fins 4 at the two parts comprise a plurality of strips which are arranged at intervals and extend in parallel, and preferably, the extension direction of the heat dissipation fins 4 is the same as the air outlet direction of the heat dissipation fan 3.
Through all setting up radiating fin 4 on main part seat 11 and welder hood 12, can increase the heat radiating area on the laser welder, improved the heat dissipation capacity, constituted coherent heat dissipation channel between many radiating fin 4 that the interval was laid, combine heat dissipation channel along the ascending extension of radiator fan 3 air-out direction, can derive the heat of gathering in heat dissipation channel fast under the air current effect of forced cooling.
Based on the angle of heat conduction on laser welder overall structure, main part seat 11 is hugged closely with welder tail cover 12 and is connected, the installation terminal surface of main part seat 11 is connected with the terminal surface laminating of welder tail cover 12, radiating fin 4 hugs closely the arranging on radiating fin 4 and welder tail cover 12 has been constituted from this kind of setting mode on the main part seat 11, can make the overall structure after the connection as thermal conductor, constitute the heat transfer passageway unobstructed relatively, do benefit to thermal equipartition, prevent the gathering of heat on single subassembly, and through the heat transfer passageway of founding, can transmit on welder tail cover 12 with the return light radiation heat on the main part seat 11, and with heat to the spatial environment loss under radiator fan 3's forced cooling, the radiating effect has been guaranteed.
Each radiating fin 4 on the main body seat 11 is connected and spliced with each radiating fin 4 on the welding gun tail cover 12, and a through groove is formed between every two adjacent radiating fins 4, so that the smoothness of air flow flowing in the through groove is ensured. Specifically, the through groove is a through groove which penetrates through the main body seat 11 and the welding gun tail cover 12 and has openings at two ends, and the through groove is communicated with the air outlet space of the cooling fan 3, so that the outlet air of the cooling fan 3 flows to the front end of the through groove through the tail end opening of the through groove, the cooling fin 4 is cooled on one hand in the flowing process, and on the other hand, the heat accumulated in the cooling channel is led out and is exhausted outwards for heat dissipation through the front end of the through groove, namely the opening close to the end of the main body seat 11.
In this embodiment, the heat dissipation baffle 5 is connected between the main body seat 11 and the welding gun tail cover 12, specifically, the heat dissipation baffle 5 covers the outer side of the heat dissipation fins 4, and the heat dissipation area can be further increased by the arrangement of the heat dissipation baffle 5, and meanwhile, a heat dissipation channel of a semi-closed structure between the adjacent heat dissipation fins 4 and the heat dissipation baffle 5 can be formed, so that the gas flow rate of cooling air in the heat dissipation channel is effectively increased, and the requirement for rapid heat dissipation is met.
In addition to the externally provided heat radiation fins 4, an internal heat radiation structure is provided inside the laser welding gun. Specifically, a cooling air duct is provided in the main body seat 11 in a penetrating manner, the cooling air duct is specifically provided on the protective baffle 16 located in the middle inside the welding gun tail cover 12, and the penetrating direction of the cooling air duct is parallel to the air outlet direction of the cooling fan 3. The blowing range of the cooling air of the cooling fan 3 is further enlarged through the arrangement of the cooling air channel, so that the heat dissipation effect inside the laser welding gun is taken into consideration.
The end that stretches out of mirror motor 2 on main part seat 11 is connected with the laser mirror that shakes, and main part seat 11 is inside to be provided with the holding chamber 14 that is used for holding the laser mirror that shakes, and the cooling duct specifically runs through in the cavity space of holding chamber 14 and welder tail cover 12 afterbody, does benefit to the cooling air with radiator fan 3 to the main part seat 11 front end jetting transmission.
A welding head 13 is connected to the front end of the main body base 11, a window mirror is mounted at the connection part of the welding head 13 and the main body base 11, and an air flow passage 15 leading to the window mirror is provided at the front end of the main body base 11. The cooling air can be conveyed to the position of the window mirror through the accommodating cavity 14 by the arrangement of the airflow channel 15, the air for purging the window mirror inside the laser welding gun is formed, the window mirror is effectively purged, impurities such as welding slag entering laser welding through the welding head 13 are prevented from being accumulated at the window mirror, and the window mirror is well protected.
Specifically, a plurality of air flow passages 15 are provided at the front end of the main body seat 11, the plurality of air flow passages 15 are uniformly distributed at intervals in the circumferential direction of the main body seat 11, and each air flow passage 15 is curved and coiled inside the main body seat 11. The bent and coiled airflow channel 15 can prolong the circulation path, increase the contact area between the blowing air and the main body seat 11, and bring out part of heat on the main body seat 11 while blowing the window mirror by the blowing air, thereby having the blowing and radiating functions.
It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A laser welding gun, comprising: the welding gun comprises a welding gun body and a galvanometer motor arranged on the welding gun body, wherein the welding gun body is connected with a protective cover of the galvanometer motor;
the welding gun comprises a welding gun body and a protective cover, wherein the protective cover is provided with an air cooling assembly for directly blowing and cooling the welding gun body, and the welding gun body and the protective cover are both provided with heat dissipation assemblies.
2. The laser welding gun according to claim 1, wherein the welding gun body comprises a main body seat, the galvanometer motor is mounted on the main body seat, the protective cover comprises a welding gun tail cover connected to the main body seat, and the air cooling assembly is mounted at the outer end of the welding gun tail cover.
3. The laser welding gun according to claim 2, wherein the air-cooled assembly comprises a heat dissipation fan mounted on the welding gun tail cover, the outer end of the welding gun tail cover is in an open structure, and the heat dissipation fan is nested on the opening of the welding gun tail cover.
4. The laser welding gun according to claim 3, wherein a protective baffle is disposed in the middle of the welding gun tail cover, the galvanometer motor and the cooling fan are disposed on two sides of the protective baffle, the cooling fan is installed to face the protective baffle, and a gap is left between the protective baffle and the cooling fan.
5. The laser welding gun according to claim 3, wherein the heat dissipation assembly includes heat dissipation fins provided on the body mount and the welding gun tail cover, the heat dissipation fins including a plurality of strips arranged at intervals and extending in parallel.
6. The laser welding gun according to claim 5, wherein the heat dissipation fins on the main body base are closely attached to the heat dissipation fins on the welding gun tail cover, and through grooves are formed between adjacent heat dissipation fins and communicated with the air outlet space of the heat dissipation fan.
7. The laser welding gun according to claim 5, wherein a heat dissipation baffle is connected between the main body seat and the welding gun tail cover, and the heat dissipation baffle covers the outer side of the heat dissipation fin.
8. The laser welding gun according to claim 5, wherein a cooling air duct is provided through the inside of the main body base.
9. The laser welding gun according to claim 8, wherein a welding head is connected to the body base, a window mirror is mounted at a connection point of the welding head and the body base, and an air flow passage leading to the window mirror is provided at a front end of the body base.
10. The laser welding gun according to claim 9, wherein the gas flow path includes a plurality of gas flow paths, the plurality of gas flow paths are arranged at intervals in the circumferential direction of the main body seat, and each gas flow path is wound inside the main body seat in a curved manner.
CN202111648287.5A 2021-12-30 2021-12-30 Laser welding gun Pending CN114131197A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111648287.5A CN114131197A (en) 2021-12-30 2021-12-30 Laser welding gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111648287.5A CN114131197A (en) 2021-12-30 2021-12-30 Laser welding gun

Publications (1)

Publication Number Publication Date
CN114131197A true CN114131197A (en) 2022-03-04

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ID=80383681

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111648287.5A Pending CN114131197A (en) 2021-12-30 2021-12-30 Laser welding gun

Country Status (1)

Country Link
CN (1) CN114131197A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114937388A (en) * 2022-04-08 2022-08-23 郑州科慧科技股份有限公司 High-imitation welding simulation teaching device and simulation welding method for industrial robot

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114937388A (en) * 2022-04-08 2022-08-23 郑州科慧科技股份有限公司 High-imitation welding simulation teaching device and simulation welding method for industrial robot

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