Galvanometer laser cutting head

Abstract

The utility model provides a galvanometer laser cutting head which comprises a laser cutting head shell, a function window and a cooling flow channel groove are arranged on the laser cutting head shell, the function window is provided with a first rubber ring installation groove, a first sealing rubber ring is arranged in the first rubber ring installation groove, and a sealing cover is arranged on the function window. The cooling runner groove is provided with a second rubber ring mounting groove, a second sealing rubber ring is arranged in the second rubber ring mounting groove, and a cooling upper cover is arranged on the cooling runner groove. The structure has the advantages that the problem that in the prior art, due to the fact that a shell is provided with multiple windows, the sealing performance in a cavity is poor can be solved, by means of the product structure, the first sealing rubber ring on the side edge of the functional window is efficiently sealed with the sealing cover, and the second sealing rubber ring on the side edge of the cooling runner groove is efficiently sealed with the cooling upper cover; the sealing performance in the shell of the laser cutting head is effectively improved, the dustproof and waterproof effects are achieved, the possibility that the laser cutting head is damaged due to liquid leakage is avoided, and improvement of the competitiveness of enterprises is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting devices, in particular to a galvanometer laser cutting head. Background Art

[0002] With the development of social science and technology, my country's manufacturing industry is facing a transformation towards high-end and intelligentization. As a basic processing, the penetration rate of laser technology in various links of industrial production is also rising. Laser cutting is a technology that uses a high-power density fiber laser beam to irradiate the material to be cut, so that the irradiated part of the material vaporizes to form tiny holes, and as the fiber laser beam moves, the holes are continuously formed to complete the cutting of the material.

[0003] With the continuous development of laser cutting heads, their functionality has gradually increased, resulting in increasingly complex structures. In order to facilitate installation and maintenance, more windows are usually opened on the shell to facilitate internal structure installation and later maintenance. In existing laser welding heads, these opened windows are only covered with covers, which have poor sealing performance and may cause water stains or dust to enter the cavity, affecting the service life of the product and not conducive to improving the competitiveness of the enterprise. Utility Model Content

[0004] In order to solve the problems in the prior art, the utility model provides a galvanometer laser cutting head, which solves the problem that a laser cutting head shell in the prior art has many windows, resulting in poor sealing in the cavity.

[0005] The utility model discloses a galvanometer laser cutting head, comprising a laser cutting head shell, a collimation module, a galvanometer module, a focusing module, a controller and a laser interface are arranged on the laser cutting head shell, a plurality of function windows and cooling channel grooves are arranged on the laser cutting head shell, the function window can more conveniently install or maintain internal parts, the cooling channel groove can dissipate heat inside the laser cutting head shell, a first rubber ring installation groove is arranged on the end face of the function window, a first sealing rubber ring is arranged in the first rubber ring installation groove, the first sealing rubber ring protrudes out of the first rubber ring installation groove, a sealing cover is fixedly arranged on the function window, the sealing cover can cooperate with the first sealing rubber ring to seal the function window, a second rubber ring installation groove is arranged on the side of the end face of the cooling channel groove, a second sealing rubber ring is arranged in the second rubber ring installation groove, the second sealing rubber ring protrudes out of the second rubber ring installation groove, a cooling upper cover is fixedly arranged on the cooling channel groove, the cooling channel groove can cooperate with the cooling upper cover to form a cooling channel, and the cooling upper cover can cooperate with the second sealing rubber ring to seal the cooling channel.

[0006] The utility model is further improved, the laser cutting head shell includes a laser cutting upper shell and a laser cutting lower shell, the collimation module, the galvanometer module and the controller are arranged in the laser cutting upper shell, the focusing module is arranged in the laser cutting lower shell, and a shell rubber ring groove is arranged at the connection position between the laser cutting upper shell and the laser cutting lower shell, a shell sealing rubber ring is arranged in the shell rubber ring groove, and a shell sealing rubber ring portion protrudes from the shell rubber ring groove. The laser cutting lower shell can cooperate with the shell sealing rubber ring to achieve sealing at the connection position between the laser cutting upper shell and the laser cutting lower shell.

[0007] The utility model is further improved, the laser interface is arranged at the upper end of the laser cutting upper shell, the upper end surface of the laser cutting upper shell is provided with an interface rubber ring groove, an interface sealing rubber ring is provided in the interface rubber ring groove, the interface sealing rubber ring protrudes out of the interface rubber ring groove, and the laser interface can cooperate with the interface sealing rubber ring to achieve sealing at the connection between the laser cutting upper shell and the laser.

[0008] The utility model is further improved and also includes a collimation distance adjustment component, which can adjust the relative distance between the collimation module and the laser interface. The collimation distance adjustment component includes a driving device and a connecting piece, one end of the connecting piece is connected to the moving end of the driving device, and the other end of the connecting piece is connected to the collimation module.

[0009] The utility model is further improved, that is, an adjustment scale is provided on the collimation module, an observation window is provided on the laser cutting head shell, an observation cover is provided on the observation window, an observation rubber ring groove is provided on the side of the observation window, an observation sealing rubber ring is provided in the observation rubber ring groove, the observation sealing rubber ring protrudes out of the observation rubber ring groove, the observation cover can cooperate with the observation sealing rubber ring to achieve the sealing of the observation window, a numerical display window cooperating with the adjustment scale is provided on the observation cover, and a transparent plate is provided on the numerical display window.

[0010] The utility model is further improved, and the galvanometer module includes an X-axis galvanometer assembly, a Y-axis galvanometer assembly and a reflector assembly. The X-axis galvanometer assembly can reflect the light beam of the collimation module to the Y-axis galvanometer assembly, the Y-axis galvanometer assembly can reflect the light beam of the X-axis galvanometer assembly to the reflector assembly, and the reflector assembly can reflect the light beam of the Y-axis galvanometer assembly to the focusing module.

[0011] The utility model is further improved in that both the X-axis galvanometer assembly and the Y-axis galvanometer assembly include a drive motor and a galvanometer reflector, the galvanometer reflector is arranged at the moving end of the drive motor, and the drive motor can adjust the reflection angle of the galvanometer reflector.

[0012] The utility model is further improved, and the collimation module comprises a collimation protection lens, a collimation protection drawer, a collimation lens and a collimation drawer.

[0013] The utility model is further improved, and the focusing module comprises a focusing lens, a focusing drawer, a focusing protection lens and a focusing protection drawer.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides a galvanometer laser cutting head, and its structure can effectively solve the problem that the laser cutting head shell in the prior art has many windows, resulting in poor sealing in the cavity. By using this product structure, the first sealing rubber ring on the side of the functional window and the sealing cover are efficiently sealed, and the second sealing rubber ring on the side of the cooling channel groove and the cooling upper cover are efficiently sealed, which effectively improves the sealing inside the laser cutting head shell, achieves dustproof and waterproof effects, avoids the possibility of damage to the laser cutting head due to leakage, and is beneficial to improving the competitiveness of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of the overall structure of the galvanometer laser cutting head;

[0017] Figure 2 This is a schematic diagram of the structure of the galvanometer laser cutting head;

[0018] Figure 3 This is a schematic diagram of the internal structure of the galvanometer laser cutting head. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by technicians in the technical field of the present invention; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the terms "including" and "having" and any variations thereof in the specification and claims of the present invention and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present invention or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0020] Reference to "embodiments" in the present invention means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it mutually exclusive, independent, or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present invention may be combined with other embodiments.

[0021] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0022] like Figure 1-3 As shown, the utility model is a galvanometer laser cutting head, comprising a laser cutting head shell, on which a collimation module 3, a galvanometer module, a focusing module 4, a controller and a laser interface 5 are arranged.

[0023] The laser cutting head shell includes a laser cutting upper shell 1 and a laser cutting lower shell 2. The collimation module 3, the galvanometer module and the controller are arranged in the laser cutting upper shell 1, the focusing module 4 is arranged in the laser cutting lower shell 2, and the laser interface 5 is arranged at the upper end of the laser cutting upper shell 1.

[0024] A plurality of functional windows 11 and cooling channel grooves 12 are arranged on the laser cutting upper shell 1. The arrangement of the functional windows 11 enables more convenient installation or maintenance of internal parts, and the arrangement of the cooling channel grooves 12 enables heat dissipation inside the laser cutting head shell.

[0025] A first rubber ring installation groove is provided on the end face of the functional window 11, a first sealing rubber ring 111 is provided in the first rubber ring installation groove, the first sealing rubber ring 111 protrudes out of the first rubber ring installation groove, a sealing cover is fixedly provided on the functional window 11, the sealing cover can cooperate with the first sealing rubber ring 111 to seal the functional window 11, a second rubber ring installation groove is provided on the side of the end face of the cooling flow channel groove 12, a second sealing rubber ring 121 is provided in the second rubber ring installation groove, the second sealing rubber ring 121 protrudes out of the second rubber ring installation groove, a cooling upper cover is fixedly provided on the cooling flow channel groove 12, the cooling flow channel groove 12 can cooperate with the cooling upper cover to form a cooling flow channel, and the cooling upper cover can cooperate with the second sealing rubber ring 121 to seal the cooling flow channel.

[0026] A shell rubber ring groove is provided at the connection position between the laser-cut upper shell and the laser-cut lower shell 2, and a shell sealing rubber ring is provided in the shell rubber ring groove. The shell sealing rubber ring portion protrudes out of the shell rubber ring groove. The laser-cut lower shell 2 can cooperate with the shell sealing rubber ring to achieve sealing at the connection position between the laser-cut upper shell and the laser-cut lower shell 2.

[0027] An interface rubber ring groove is provided on the upper end surface of the laser cutting upper shell 1, and an interface sealing rubber ring is provided in the interface rubber ring groove. The interface sealing rubber ring protrudes from the interface rubber ring groove, and the laser interface 5 can cooperate with the interface sealing rubber ring to achieve sealing at the connection between the laser cutting upper shell 1 and the laser.

[0028] The galvanometer laser cutting head also includes a collimation and distance adjustment component, which can adjust the relative distance between the collimation module 3 and the laser interface 5. The collimation and distance adjustment component includes a driving device 9 and a connecting member 10. One end of the connecting member 10 is connected to the moving end of the driving device 9, and the other end of the connecting member 10 is connected to the collimation module 3. The number of light beams emitted from the galvanometer laser cutting head is adjusted by the collimation and distance adjustment component.

[0029] An adjustment scale 31 is provided on the alignment module 3, an observation window 13 is provided on the laser cutting head shell, an observation cover is provided on the observation window 13, an observation rubber ring groove is provided on the side of the observation window 13, an observation sealing rubber ring 131 is provided in the observation rubber ring groove, the observation sealing rubber ring 131 protrudes out of the observation rubber ring groove, the observation cover can cooperate with the observation sealing rubber ring 131 to achieve the sealing of the observation window 13, a numerical display window cooperating with the adjustment scale 31 is provided on the observation cover, and a transparent plate 14 is provided on the numerical display window.

[0030] The design of the transparent plate 14 enables the operator to observe the currently adjusted parameters of the collimation module 3 .

[0031] The galvanometer module includes an X-axis galvanometer assembly 6, a Y-axis galvanometer assembly 7 and a reflector assembly 8. The X-axis galvanometer assembly 6 can reflect the light beam of the collimation module 3 to the Y-axis galvanometer assembly 7, the Y-axis galvanometer assembly 7 can reflect the light beam of the X-axis galvanometer assembly 6 to the reflector assembly 8, and the reflector assembly 8 can reflect the light beam of the Y-axis galvanometer assembly 7 to the focusing module 4.

[0032] The X-axis galvanometer assembly 6 and the Y-axis galvanometer assembly 7 both include a driving motor and a galvanometer reflector. The galvanometer reflector is arranged at the moving end of the driving motor. The driving motor can adjust the reflection angle of the galvanometer reflector.

[0033] The collimation module 3 comprises a collimation protection lens, a collimation protection drawer, a collimation lens and a collimation drawer.

[0034] Focusing module 4 Focusing module 4 includes a focusing lens, a focusing drawer, a focusing protection lens and a focusing protection drawer.

[0035] From the above, it can be seen that the beneficial effect of the utility model is: adopting its mechanism can effectively solve the problem of poor sealing in the cavity caused by opening more windows in the laser cutting head shell in the prior art. By using this product structure, the first sealing rubber ring 111 on the side of the functional window 11 is efficiently sealed with the sealing cover, and the second sealing rubber ring 121 on the side of the cooling flow channel groove 12 is efficiently sealed with the cooling upper cover, which effectively improves the sealing inside the laser cutting head shell, has the effect of dustproof and waterproof, avoids the possibility of damage to the laser cutting head due to leakage, and is conducive to improving the competitiveness of the enterprise.

[0036] The specific implementation methods described above are preferred implementation methods of the present utility model, and are not intended to limit the specific implementation scope of the present utility model. The scope of the present utility model includes but is not limited to the specific implementation methods. All equivalent changes made in accordance with the present utility model are within the protection scope of the present utility model.

Claims

1. A galvanometer laser cutting head, characterized in that: The laser cutting head shell comprises a collimation module, a galvanometer module, a focusing module, a controller and a laser interface. The laser cutting head shell is provided with a plurality of functional windows and cooling channel grooves. The functional window can more conveniently install or maintain internal parts. The cooling channel groove can dissipate heat inside the laser cutting head shell. The end face of the functional window is provided with a first rubber ring installation groove. A first sealing rubber ring is provided in the first rubber ring installation groove. The first sealing rubber ring protrudes out of the first rubber ring installation groove. A sealing cover is fixedly provided on the functional window. The sealing cover can cooperate with the first sealing rubber ring to seal the functional window. A second rubber ring installation groove is provided on the side of the end face of the cooling channel groove. A second sealing rubber ring is provided in the second rubber ring installation groove. The second sealing rubber ring protrudes out of the second rubber ring installation groove. A cooling cover is fixedly provided on the cooling channel groove. The cooling channel groove can cooperate with the cooling cover to form a cooling channel. The cooling cover can cooperate with the second sealing rubber ring to seal the cooling channel.

2. The galvanometer laser cutting head according to claim 1, characterized in that: The laser cutting head shell includes a laser cutting upper shell and a laser cutting lower shell, the collimation module, the galvanometer module and the controller are arranged in the laser cutting upper shell, the focusing module is arranged in the laser cutting lower shell, a shell rubber ring groove is arranged at the connection position between the laser cutting upper shell and the laser cutting lower shell, a shell sealing rubber ring is arranged in the shell rubber ring groove, and the shell sealing rubber ring part protrudes from the shell rubber ring groove, and the laser cutting lower shell can cooperate with the shell sealing rubber ring to achieve sealing at the connection position between the laser cutting upper shell and the laser cutting lower shell.

3. The galvanometer laser cutting head according to claim 2, characterized in that: The laser interface is arranged at the upper end of the laser cutting upper shell, and an interface rubber ring groove is arranged on the upper end surface of the laser cutting upper shell, and an interface sealing rubber ring is arranged in the interface rubber ring groove. The interface sealing rubber ring protrudes out of the interface rubber ring groove, and the laser interface can cooperate with the interface sealing rubber ring to achieve sealing at the connection between the laser cutting upper shell and the laser.

4. The galvanometer laser cutting head according to claim 1, characterized in that: It also includes a collimation distance adjustment component, which can adjust the relative distance between the collimation module and the laser interface. The collimation distance adjustment component includes a driving device and a connecting member, one end of the connecting member is connected to the moving end of the driving device, and the other end of the connecting member is connected to the collimation module.

5. The galvanometer laser cutting head according to claim 4, characterized in that: The collimation module is provided with an adjustment scale, the laser cutting head housing is provided with an observation window, the observation window is provided with an observation cover, the side of the observation window is provided with an observation rubber ring groove, the observation rubber ring groove is provided with an observation sealing rubber ring, the observation sealing rubber ring protrudes from the observation rubber ring groove, the observation cover can cooperate with the observation sealing rubber ring to achieve the sealing of the observation window, the observation cover is provided with a numerical display window that cooperates with the adjustment scale, and a transparent plate is provided on the numerical display window.

6. The galvanometer laser cutting head according to claim 1, characterized in that: The galvanometer module includes an X-axis galvanometer assembly, a Y-axis galvanometer assembly and a reflector assembly. The X-axis galvanometer assembly can reflect the light beam of the collimation module to the Y-axis galvanometer assembly, the Y-axis galvanometer assembly can reflect the light beam of the X-axis galvanometer assembly to the reflector assembly, and the reflector assembly can reflect the light beam of the Y-axis galvanometer assembly to the focusing module.

7. The galvanometer laser cutting head according to claim 6, characterized in that: The X-axis galvanometer assembly and the Y-axis galvanometer assembly both include a driving motor and a galvanometer reflector. The galvanometer reflector is arranged at the moving end of the driving motor. The driving motor can adjust the reflection angle of the galvanometer reflector.

8. The galvanometer laser cutting head according to any one of claims 1 to 7, characterized in that: The collimation module comprises a collimation protection lens, a collimation protection drawer, a collimation lens and a collimation drawer.

9. The galvanometer laser cutting head according to any one of claims 1 to 7, characterized in that: The focusing module comprises a focusing lens, a focusing drawer, a focusing protection lens and a focusing protection drawer.

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