CN218694905U

CN218694905U - Hand-held type laser welding rifle

Info

Publication number: CN218694905U
Application number: CN202221742688.7U
Authority: CN
Inventors: 丁松森; 王晨强
Original assignee: Shanghai Itzer Laser Technology Co ltd; Suzhou Zhongke Suheng Electronic Co ltd
Current assignee: Shanghai Itzer Laser Technology Co ltd; Suzhou Zhongke Suheng Electronic Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-03-24
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a hand-held type laser welding rifle, including shell subassembly (1), mirror motor (20), parameter adjustment spare and drive control board (4) shake. The galvanometer motor (20) is arranged in the shell component (1); the parameter adjusting piece is connected with the shell component (1) and used for adjusting the working parameters of the galvanometer motor (20). The drive control board (4) is arranged in the shell component (1), is electrically connected with the mirror vibrating motor (20) and the parameter adjusting piece and is used for controlling the mirror vibrating motor (20) according to the parameters of the parameter adjusting piece. The utility model discloses a hand-held type laser welding rifle receives external influence littleer, uses more reliable and more stable, and the cost is also lower.

Description

Hand-held type laser welding rifle

Technical Field

The utility model relates to a laser welding technical field especially relates to a hand-held type laser welding rifle.

Background

The handheld laser welding gun utilizes a laser beam with high energy density as a heat source to carry out efficient precision welding and generally comprises a shell, a collimating mirror, a vibrating mirror motor, a focusing mirror and the like which are all arranged in the shell, laser irradiates to the vibrating mirror from the collimating mirror and is reflected by the vibrating mirror and then enters the focusing mirror, the laser irradiates from the handheld laser welding gun after passing through the focusing mirror, the laser beam with high energy density is accurately projected to the surface of a material to be welded, the material is locally and instantly melted to form a high-quality molten pool, and therefore the purpose of welding is achieved. The galvanometer motor can control the angle of the galvanometer so as to change the welding path of the laser.

Hand-held type laser welding rifle passes through each item parameter of control cabinet control welding, links to each other through the cable between its and the control cabinet, shakes mirror motor's control and drive circuit setting in the control cabinet outside welding rifle, during the use, after the control cabinet sets up welded parameter, control signal passes through cable transmission to the mirror motor that shakes or other parts to control its work. Since all signals are wired to the galvanometer motor, a multi-strand cable is required, and in use, the cable is often broken, the connection is poor and the like. In addition, because the cable length is longer, and the operating environment is general, therefore, the signal receives the interference easily in the transmission course, and electromagnetic compatibility (EMC) is poor, and conventional laser welding gun when the cable surpasses 20 meters, the unusual probability of work appearance increases by a wide margin, has restricted handheld laser welding gun's use radius.

In addition, when the handheld laser welding gun is used, the handheld laser welding gun needs to walk to a welding station for welding, when parameters need to be changed, the handheld laser welding gun needs to return to a control console for setting the parameters, the welding efficiency and the welding convenience are reduced by reciprocating between the control console and the welding station, the current working parameter condition cannot be mastered in real time, and although a technology that a display screen is arranged on a gun body to display the working parameters is also adopted in the prior art, the parameter adjustment still needs to be carried out on the control console.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hand-held type laser welding rifle, its job stabilization nature is better, and it is more convenient to use.

In order to realize the above-mentioned utility model purpose, the utility model provides a hand-held type laser welding rifle, include:

a housing assembly;

the galvanometer motor is arranged in the shell component;

the parameter adjusting piece is connected with the shell component and is used for adjusting the working parameters of the galvanometer motor; and the number of the first and second groups,

and the driving control board is arranged in the shell component, is electrically connected with the mirror vibrating motor and the parameter adjusting piece and is used for controlling the mirror vibrating motor according to the parameters of the parameter adjusting piece.

Further, the parameter adjusting part is a button, a knob or a touch screen connected with the driving control board.

Further, the shell subassembly includes the rifle body, with the guard shield that the rifle body links to each other and with the lid that the guard shield links to each other, the mirror motor that shakes with the rifle body links to each other and is located in the guard shield, the guard shield is equipped with first opening, the lid seals first opening, drive control panel is located the lid with the space that the guard shield encloses.

Furthermore, the cover body is provided with an accommodating cavity, the drive control board is connected with the cover body and is positioned in the accommodating cavity, and the drive control board is completely accommodated in the accommodating cavity or partially extends into the shield.

Further, the cover portion extends above the gun body, and the drive control plate portion is located between the cover and the gun body.

Further, the guard shield is provided with a mounting hole, the parameter adjusting piece is a touch screen, and the touch screen is mounted in the mounting hole and used for adjusting and displaying working parameters.

Further, the cover body is connected to the upper end of the protective cover, and the touch screen is arranged at the opposite end of the protective cover connected with the gun body.

Further, hand-held type laser welding gun still include the cooling water route, shell subassembly include with the rifle body that the mirror motor links to each other shakes, the rifle body include with the adjacent upper end of drive control board, the cooling water route passes through the upper end, drive control board include with the drive chip of upper end contact.

Further, the cooling water path comprises a first channel and a second channel which are respectively positioned on two sides of the gun body and a middle channel which is positioned on the upper end part and is communicated with the first channel and the second channel.

Further, the handheld laser welding gun further comprises a display screen electrically connected with the driving control board, and the display screen is used for displaying working parameters of the galvanometer motor.

Further, the handheld laser welding gun further comprises an indicator light electrically connected with the driving control board, and the indicator light is used for displaying the working state of the handheld laser welding gun.

Further, shell subassembly still include all with the handle that the rifle body links to each other and focusing mirror installation shell, hand-held type laser welding rifle still include with the laser instrument that the handle links to each other connects, locates collimating mirror in the handle and locating focusing mirror in the focusing mirror installation shell, focusing mirror installation shell with the guard shield is located respectively the rifle body both sides.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, hand-held type laser welding rifle includes parameter adjustment spare and drive control board, and the parameter adjustment spare can control the working parameter of mirror motor that shakes, and drive control board can be according to the regulation control vibrating motor action of parameter adjustment spare, and the user can adjust the working parameter of hand-held type laser welding rifle at any time, need not to come and go between control cabinet and welding station, and it is more convenient to use. In addition, the driving control board is integrated on the handheld laser welding gun, a signal line connected between the galvanometer motor and the control console does not need to be arranged, the influence from the outside is less, the use is more stable and reliable, the cost is lower, and meanwhile, the working radius of the handheld laser welding gun capable of working reliably is increased.

2. As the improvement, the parameter adjusting piece is a touch screen, which not only can display working parameters, but also can realize human-computer interaction, the setting and adjustment of the parameters are convenient, the use of the handheld laser welding gun is more convenient, meanwhile, a user can observe the current working parameters and the state of the handheld laser welding gun in real time, and the welding quality is easier to ensure.

Drawings

Fig. 1 is a schematic perspective view of a hand-held laser welding gun according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of the hand-held laser welding gun of fig. 1.

Fig. 3 is an exploded view of the hand-held laser welding gun of fig. 1.

Fig. 4 is a schematic view of the structure of the shield of fig. 1.

Fig. 5 is a schematic structural view of the cover in fig. 1.

Fig. 6 is a schematic view of the driving control board installed in the cover body according to the present invention.

Fig. 7 is an enlarged view of a portion I in fig. 2.

Fig. 8 is a front view of the middle gun body of the present invention.

Fig. 9 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 8.

Fig. 10 is a schematic structural view of the handle of the present invention.

Fig. 11 is a schematic diagram of a display interface of the touch screen of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. 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 application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As shown in fig. 1 to 11, a hand-held laser welding gun according to a preferred embodiment of the present invention includes a housing assembly 1, a galvanometer motor 20, a parameter adjusting member, and a drive control board 4.

The housing assembly 1 is a mounting carrier for other components of the hand-held laser welding gun, and the galvanometer motor 20 is used for driving the galvanometer 200 of the hand-held laser welding gun to deflect and is arranged in the housing assembly 1.

The parameter adjusting member is used to adjust an operating parameter of the galvanometer motor 20, such as a vibration frequency, an amplitude, a center value offset, and the like. The parameter adjusting piece is connected with the shell component 1, and at least part of the parameter adjusting piece is exposed out of the shell component 1, so that the parameter adjusting piece can be conveniently touched by hands to adjust parameters. The parameter adjustment member may be, for example, a button, a knob, a touch screen, or the like.

The driving control board 4 is arranged in the shell component 1, and is electrically connected with the galvanometer motor 20 and the parameter adjusting piece, and is used for controlling the galvanometer motor 20 according to the parameters of the parameter adjusting piece. When the device is used, corresponding working parameters are changed through the parameter adjusting piece, the state change of the parameter adjusting piece is transmitted to the driving control board 4 in an electric signal mode, the driving control board 4 processes the signals and then sends control signals to the galvanometer motor 20, and the galvanometer motor 20 drives the galvanometer 200 to act according to the control signals. The parameter adjusting piece can be integrally arranged on the drive control board 4, and also can be connected on the shell component 1 and connected with the drive control board 4 through a signal wire.

Because drive control panel 4 directly sets up on hand-held type laser welding rifle, with the mirror motor lug connection that shakes, can accomplish on hand-held type laser welding rifle the setting of the working parameter of hand-held type laser welding rifle, need not through longer cable transmission drive control signal, therefore, drive control signal receives cable length and external environment's influence for a short time, hand-held type laser welding rifle has good EMC performance, can improve the mirror feedback speed that shakes, position control is more accurate, and stability is better.

In some embodiments, as shown in fig. 1 to 3, the housing assembly 1 includes a hand grip 13 to be held by a human hand, a gun body 10 connected to the hand grip 13, a shroud 11 connected to the gun body 10, a focusing lens mounting case 14 connected to the gun body 10, and a gas nozzle 15 connected to the focusing lens mounting case 14. The gun body 10 is arranged at the upper end of a handle 13, and the shield 11 and the focusing mirror mounting shell 14 are respectively connected to the front end and the rear end of the gun body 10, so that the whole gravity center of the handheld laser welding gun can fall at the handle 13 or be closer to the handle 13, and the handheld laser welding gun is more labor-saving in use. The air nozzle 15 is installed at the front end of the focusing mirror installation shell 14.

Hand-held type laser welding rifle still including set up at the laser instrument of handle 13 bottom connect 5, locate the collimating mirror 6 in the handle 13, locate the rifle body 10 in shake the mirror 200 and locate focus mirror 7 in the focus mirror installation shell 14, laser instrument connects 5 and is used for installing the laser instrument, the laser instrument passes through the cable and links to each other with the control cabinet, by the control cabinet energy supply, preferred, laser instrument connects 5 and connects for the QBH. The laser beam emitted by the laser sequentially passes through the collimating lens 6, the vibrating lens 200 and the focusing lens 7 and then is emitted from the air tap 15, so that the welding operation is performed. The air nozzle 15 is communicated with the air path and can spray air to clean or cool the welding area.

Because drive control panel 4 locates in shell subassembly 1, consequently, need not to set up extra signal line and link to each other with the control cabinet, simplified the electrical connection of hand-held laser welding rifle with external equipment, hand-held laser welding rifle is more succinct with being connected of outside, and the cost is lower. The hand-held laser welding gun is connected with the console by only one cable, which is beneficial to improving the IP grade. Traditional hand-held type laser welding rifle surpasses 20 meters as the cable, and unusual probability increases by a wide margin appears in work, and this design can improve cable length to 50 meters, has greatly improved working radius.

The drive control board 4 can integrate various communication protocols to facilitate integration and connection with external devices, including but not limited to direct connection with a PLC robot, to improve flexibility of system integration.

Referring to fig. 2 to 4, a galvanometer motor 20 is coupled to the gun body 10, and a portion thereof extends into the gun body 10 and is coupled to the galvanometer 200 to control the movement of the galvanometer 200. The galvanometer motor 20 is located in the shroud 11, the housing assembly 1 further includes a cover 12 connected to the shroud 11, the shroud 11 is provided with a first opening 110, and the cover 12 seals the first opening 110 to improve the sealing performance of the housing assembly 1.

In some embodiments, the shield 11 has a rectangular parallelepiped shape, and besides the first opening 110, the shield 11 is further provided with a second opening 112 adjacent to the first opening 110, that is, the first opening 110 and the second opening 112 are respectively opened on two adjacent sides of the shield 11. Preferably, the first opening 110 and the second opening 112 are in direct communication to improve the ease of assembly. The second opening 112 is disposed toward the gun body 10, and the galvanometer motor 20 located in the hood 11 extends out of the hood 11 through the second opening 112 to be connected to the gun body 10. Preferably, the first opening 110 is located at the upper end of the hand-held laser welding gun, which is open upward, and correspondingly, the cover body 2 is also disposed at the upper end of the hand-held laser welding gun. Of course, the positions of the first opening 110 and the lid body 2 are not limited thereto, and may be located on the side of a hand-held laser welding gun, for example.

The driving control board 4 is disposed in a space enclosed by the cover 12 and the shield 11, and may be connected to the shield 11 or the cover 12, and the connection manner includes, but is not limited to, a bolt connection, an adhesive connection, a snap connection, and the like. The driving control board 4 is disposed opposite to the first opening 110, and is closer to the galvanometer motor 20, so that it can be electrically connected to the galvanometer motor 20 conveniently. The drive control board 4 can partially enter the shield 11 through the first opening 110 to fully utilize the space in the shield 11, so that the whole structure is more compact. As a preferred embodiment, referring to fig. 5 and 6, the cover 12 is provided with a housing chamber 120, and the driving control board 4 is connected to the cover 12 and is located in the housing chamber 120. The cover body 12 is provided with a plurality of connecting columns 121, the driving control panel 4 is attached to the connecting columns 121, and the driving control panel is fixedly connected with the cover body 12 through bolts and the connecting columns 121 in a threaded mode.

As a preferred embodiment, as shown in fig. 2, the cover 12 partially extends above the gun body 10, so that there is a certain space between the cover 12 and the gun body 10, and the drive control board 4 is partially located between the cover 12 and the gun body 10, so that a more sufficient space can be provided for installing the drive control board 4, and the size of the drive control board 4 can be made larger, so as to facilitate the integration of more components and achieve more control functions.

The cover body 12 is preferably connected to the shield 11 and the gun body 10 through the bolt 122, and during installation, the driving control board 4 can be connected to the cover body 12 first, then the circuit connection between the driving control board 4 and the galvanometer motor 20 is completed, and then the cover body 12 with the driving control board 4 is locked on the shield 11 and the gun body 10, so that the installation is very convenient.

The handheld laser welding gun also comprises a cooling water path, wherein cooling liquid circulates in the cooling water path and is used for cooling the heating element inside. The gun body 10 includes a cavity 102. As shown in fig. 2 and 7, the galvanometer motor 20 is partially located within the cavity 102 and the galvanometer 200 is completely located within the cavity 102. The gun body 10 includes an upper end portion 101 adjacent to the drive control plate 4, the upper end portion 101 is located above the cavity 102, the cooling water path passes through the upper end portion 101, and the drive control plate 4 includes the drive chip 40 in contact with the upper end portion 101. Because the cooling water path is adjacent to the driving chip 40, the heat generated by the driving chip 40 can be taken away more quickly, the heat dissipation efficiency is improved, and the normal operation of the driving chip 40 which needs to execute a large amount of calculation and has a large heat productivity can be reliably ensured, so that the fault caused by overheating is prevented. Preferably, the driving chip 40 is attached to the upper surface 103 of the gun body 10 at a position corresponding to the position of the cooling water path (specifically, the intermediate passage 82 described below) and directly above the cooling water path. Furthermore, the cover 12 is further provided with a protrusion 123 corresponding to the driving chip 40, and the protrusion 123 may leave a gap in the driving chip 40 or abut against the driving chip, so as to limit the position of the driving chip 40 and prevent the driving chip from loosening.

As a preferred embodiment, as shown in fig. 8 and 9, the cooling water path includes a first passage 80, a second passage 81, and an intermediate passage 82 provided in the gun body 10. The first passage 80 and the second passage 81 are respectively located at two sides of the gun body 10 and extend upwards from the bottom of the gun body 10, and the middle passage 82 is arranged at the upper end 101 and is communicated with the first passage 80 and the second passage 81. The first channel 80, the second channel 81 and the middle channel 82 surround the cavity 102, and can effectively remove heat in the cavity 102 and heat of the driving chip 40. As shown in fig. 10, a water inlet channel 130 and a water outlet channel 131 are formed in the handle 13 and are respectively in butt joint with the first channel 80 and the second channel 81, and the cooling liquid enters from the water inlet channel 130, sequentially passes through the first channel 80, the middle channel 82 and the second channel 81, and then flows out from the water outlet channel 131, so that the efficient circulating heat dissipation is performed.

In a preferred embodiment, referring to fig. 1 to 3, the parameter adjusting member is a touch screen 30, a mounting hole 111 is provided on the shield 11, and the touch screen 30 is mounted in the mounting hole 111. The touch screen 30 is electrically connected with the driving control board 4 and can display working parameters of the handheld laser welding gun, so that a user can master the current working parameters in real time, the parameters can be adjusted and set in a touch screen mode, and the handheld laser welding gun is more convenient to use. The touch screen is preferably provided at the opposite end of the shroud 11 from the end connected to the gun body 10 (i.e., the rear end of the shroud 11) for easy viewing and manipulation. It is understood that the touch screen 30 may display other information besides the operating parameters, such as temperature, fault codes, etc., and fig. 11 shows a display interface of the touch screen 30 according to an embodiment.

In another preferred embodiment, the parameter adjustment member is a button or knob, and the corresponding operating parameter is changed by the button or knob, it is understood that the hand-held laser welding gun can be provided with the button and the knob at the same time, and the number of the button and the knob can be one or more. In order to facilitate observation of the current working parameters, in a preferred embodiment, the handheld laser welding gun may further include a display screen electrically connected to the driving control board 4 for displaying the working parameters of the galvanometer motor 20, and when the handheld laser welding gun is operated by a button or a knob, the driving control board 4 displays the changed working parameters on the display screen in real time, so that the operation is more convenient and accurate, and the installation position of the display screen is preferably the same as the installation position of the touch screen 30. Likewise, the display screen is not limited to displaying operating parameter information. In another preferred embodiment, the hand-held laser welding gun may further be provided with an indicator light electrically connected to the driving control board 4, wherein the indicator light is used for displaying the operating status of the hand-held laser welding gun, for example, by lighting different indicator lights, changing the color of the indicator lights, changing the flashing frequency, and the like, to indicate different operating statuses. Different working states correspond to different information, for example, different working parameters can be corresponding, and different working states can be selected through a button or a knob, so that the handheld laser welding gun works according to the working parameters corresponding to the current working state. The operating state may also be the state of the hand-held laser welding gun, for example, in response to a fault condition such as overheating. The indicator light is preferably an LED light.

It will be appreciated that the display screen and indicator light described above are not limited to one use, and that both may be provided on the hand-held laser welding gun.

In addition, the touch screen, the buttons, the knobs, the indicator lights, the display screen and the like are not limited to one use, and one or more of the touch screen 30, the buttons, the knobs, the indicator lights and the display screen can be arranged on the handheld laser welding gun at the same time.

The aforesaid is only the embodiment of the present invention, and other improvements made under the premise of the concept of the present invention are all regarded as the protection scope of the present invention.

Claims

1. A hand-held laser welding gun, comprising:

a housing assembly (1);

a galvanometer motor (20) disposed within the housing assembly (1);

the parameter adjusting piece is connected with the shell component (1) and is used for adjusting the working parameters of the galvanometer motor (20); and (c) a second step of,

the driving control board (4) is arranged in the shell component (1), is electrically connected with the galvanometer motor (20) and the parameter adjusting piece and is used for controlling the galvanometer motor (20) according to the parameters of the parameter adjusting piece.

2. The hand-held laser welding gun according to claim 1, characterized in that the parameter adjustment is a button, a knob or a touch screen connected to the drive control board (4).

3. The hand-held laser welding gun according to claim 1, characterized in that the housing assembly (1) comprises a gun body (10), a shroud (11) connected to the gun body (10), and a cover body (12) connected to the shroud (11), the galvanometer motor (20) is connected to the gun body (10) and located inside the shroud (11), the shroud (11) is provided with a first opening (110), the cover body (12) seals the first opening (110), and the drive control board (4) is located in a space enclosed by the cover body (12) and the shroud (11).

4. The hand-held laser welding gun according to claim 3, characterized in that the cover body (12) is provided with a receiving cavity (120), the drive control board (4) is connected with the cover body (12) and is positioned in the receiving cavity (120), the drive control board (4) is completely received in the receiving cavity (120), or the drive control board (4) partially extends into the shield (11).

5. The hand-held laser welding gun according to claim 3, characterized in that the cover (12) extends partially over the gun body (10) and the drive control board (4) is partially located between the cover (12) and the gun body (10).

6. The hand-held laser welding gun according to claim 3, characterized in that the shield (11) is provided with mounting holes (111), the parameter adjusting member is a touch screen (30), and the touch screen (30) is mounted in the mounting holes (111) and is used for adjusting and displaying working parameters.

7. The hand-held laser welding gun according to claim 6, characterized in that the cover (12) is attached to the upper end of the shroud (11), and the touch screen (30) is provided at the opposite end of the shroud (11) from the end to which the gun body (10) is attached.

8. The hand-held laser welding gun according to claim 1, characterized in that it further comprises a cooling water circuit, said housing assembly (1) comprising a gun body (10) connected to said galvanometer motor (20), said gun body (10) comprising an upper end (101) adjacent to said drive control board (4), said cooling water circuit passing through said upper end (101), said drive control board (4) comprising a drive chip (40) in contact with said upper end (101).

9. The hand-held laser welding gun according to claim 8, characterized in that the cooling water circuit comprises a first channel (80) and a second channel (81) located on either side of the gun body (10), respectively, and an intermediate channel (82) located at the upper end (101) and communicating the first channel (80) and the second channel (81).

10. The hand-held laser welding gun according to any of the claims 1 to 9, characterized in that it further comprises a display screen electrically connected to the drive control board (4), for displaying operating parameters of the galvanometer motor (20).

11. The hand-held laser welding gun according to any of the claims 1 to 9, characterized in that it further comprises an indicator light electrically connected to the drive control board (4), said indicator light being used to display the operating status of the hand-held laser welding gun.

12. The hand-held laser welding gun according to any of the claims 3 to 7, characterized in that the housing assembly (1) further comprises a handle (13) and a focusing mirror mounting housing (14) both connected to the gun body (10), the hand-held laser welding gun further comprises a laser joint (5) connected to the handle (13), a collimating mirror (6) arranged in the handle (13) and a focusing mirror (7) arranged in the focusing mirror mounting housing (14), the focusing mirror mounting housing (14) and the shield (11) are respectively located on both sides of the gun body (10).