Edge banding machine, laser head and light spot size adjusting structure of laser head

Abstract

The utility model provides an edge banding machine, a laser head and a light spot size adjusting structure of the laser head, which comprises a shell, and a laser generator, a first lens support, a second lens support, a guide rail and a driving device which are arranged in the shell, the first lens support is provided with a first lens, and the second lens support is provided with a second lens; the first lens and the second lens are both located on a laser light path emitted by the laser generator, and the length direction of the guide rail is the same as the emitting direction of the laser light path; the driving device is in driving connection with the first lens bracket, so that the first lens bracket moves along the length direction of the guide rail, and the distance between the first lens bracket and the second lens bracket is changed. The first lens support is driven by the driving device to move in the length direction of the guide rail, the distance between the first lens support and the second lens support is changed, adjustment of the beam expanding magnification is achieved, and therefore light spots of different sizes are obtained.

Description

Technical Field

[0001] The utility model relates to the technical field of edge banding machines, and particularly relates to an edge banding machine, a laser head and a laser spot size adjusting structure of the laser head. Background Technique

[0002] With the development of laser application technology, there are more and more laser application scenarios. The products produced by laser processing equipment have the advantages of more stable product quality and higher production efficiency, so it is gradually applied to various manufacturing industries. When the laser edge banding machine works, the laser emitted from the laser generator is focused into a laser beam with a high power density through the optical path system. The laser beam irradiates the surface of the product, making the adhesive on the surface of the product reach the melting point. As the relative position of the laser beam and the product moves, finally, the edge band is pasted on the surface of the product to achieve the edge banding effect.

[0003] However, most of the structures for adjusting the laser spot size in the current laser heads of edge banding machines are relatively complex, resulting in high manufacturing costs of the laser heads of edge banding machines, which is not conducive to production and manufacturing and has low economic benefits, not meeting the market demand. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an edge banding machine, a laser head and a laser spot size adjusting structure of the laser head, aiming to solve the problem of complex structure for adjusting the laser spot size in the prior art.

[0005] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0006] The utility model provides a laser spot size adjusting structure of a laser head, including:

[0007] A housing and a laser generator, a first lens holder, a second lens holder, a guide rail and a driving device arranged in the housing. Among them, the first lens holder is provided with a first lens, and the second lens holder is provided with a second lens;

[0008] Both the first lens and the second lens are located on the laser light path emitted by the laser generator, and the length direction of the guide rail is the same as the emission direction of the laser light path;

[0009] The driving device is drivingly connected to the first lens holder to enable the first lens holder to move along the length direction of the guide rail, so as to change the distance between the first lens holder and the second lens holder.

[0010] Compared with the prior art, in the present application, the driving device drives the first lens holder to move along the length direction of the guiding rail, changing the distance between the first lens holder and the second lens holder, thereby adjusting the beam expansion ratio and obtaining light spots of different sizes. Moreover, the present application only needs to simply use a laser generator, a first lens holder, a second lens holder, a guiding rail, and a driving device and integrate the above components into a housing, with a simple structure to reduce the manufacturing cost.

[0011] In one embodiment, the housing has a receiving cavity and an installation opening communicating with the receiving cavity, and the installation opening is provided with a mounting plate;

[0012] The guiding rail, the driving device, and the second lens holder are all arranged on the mounting plate.

[0013] In one embodiment, the first lens holder is arranged on the guiding rail through a slider.

[0014] In one embodiment, the first lenses are provided on both the upper side and the lower side of the first lens holder.

[0015] In one embodiment, first lens assembly grooves are further provided on both the upper side and the lower side of the first lens holder, and the first lenses are provided on the first lens assembly grooves;

[0016] First lens fixing members are further assembled on both the upper side and the lower side of the first lens holder, and the first lens fixing members are provided with first limiting portions that abut against the first lenses.

[0017] In one embodiment, a second lens assembly groove is provided on the upper side of the second lens holder, and the second lens is provided on the second lens assembly groove;

[0018] Second lens fixing members are further assembled on the upper side of the second lens holder, and the second lens fixing members are provided with second limiting portions that abut against the second lenses.

[0019] In one embodiment, the driving device includes a driving motor and a driving rod, one end of the driving rod is drivingly connected to the driving motor, and the other end of the driving rod is connected to the first lens holder.

[0020] The present utility model further provides a laser head, which includes the light spot size adjusting structure of the laser head as described above.

[0021] The present utility model further provides a edge banding machine, which includes the laser head as described above.

[0022] For better understanding and implementation, the present utility model will be described in detail below with reference to the accompanying drawings. Description of the Drawings

[0023] The following further elaborates on the specific embodiments of the present utility model in conjunction with the accompanying drawings, where:

[0024] Figure 1 is a perspective view of the laser head of the present utility model;

[0025] Figure 2 is one of the sectional views of the laser head of the present utility model;

[0026] Figure 3 is the second sectional view of the laser head of the present utility model; (the first lens holder is moved upward)

[0027] Figure 4 is a partial disassembled view of the laser head of the present utility model.

[0028] Explanation of reference numerals:

[0029] 10 housing, 110 accommodation cavity, 120 mounting opening, 130 mounting plate, 20 laser generator, 30 first lens holder, 310 first lens, 320 first lens fixing member, 321 first limiting portion, 40 second lens holder, 410 second lens, 420 second lens fixing member, 421 second limiting portion, 50 guide rail, 510 slider, 610 drive motor, 620 drive rod Specific embodiments

[0030] In order to better elaborate on the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0031] It should be clear that the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts belong to the scope protected by the embodiments of the present application.

[0032] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms of "a", "the" and "said" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0033] When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims. In the description of the present application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects and do not necessarily have to be used to describe a specific order or sequence, nor can they be construed as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0034] In addition, in the description of the present application, unless otherwise specified, "a plurality of" means two or more. "And / or" describes the association relationship of associated objects and indicates that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally represents an "or" relationship between the associated objects before and after.

[0035] Combined with Figures 1 to 4 As shown, the present utility model provides a spot size adjustment structure for a laser head, including: a housing 10, and a laser generator 20, a first lens holder 30, a second lens holder 40, a guide rail 50, and a driving device disposed in the housing 10. Among them, the first lens holder 30 is provided with a first lens 310, and the second lens holder 40 is provided with a second lens 410; both the first lens 310 and the second lens 410 are located on the laser light path emitted by the laser generator 20, and the length direction of the guide rail 50 is the same as the emission direction of the laser light path; the driving device is drivingly connected to the first lens holder 30 to move the first lens holder 30 along the length direction of the guide rail 50, thereby changing the distance between the first lens holder 30 and the second lens holder 40.

[0036] Specifically, the laser generator 20 generates laser light and forms a laser optical path. Both the first lens 310 and the second lens 410 are located on the laser optical path emitted by the laser generator 20. After the laser is sequentially incident on the first lens 310 and the second lens 410, a light spot of a corresponding size is formed and then emitted through the light outlet of the housing 10. When a large-sized light spot is required, the driving device drives the first lens holder 30 to move upward along the length direction of the guide rail 50, increasing the distance between the first lens holder 30 and the second lens holder 40, thereby obtaining a large-sized light spot; when a small-sized light spot is required, the driving device drives the first lens holder 30 to move downward along the length direction of the guide rail 50, reducing the distance between the first lens holder 30 and the second lens holder 40, thereby obtaining a small-sized light spot.

[0037] Compared with the prior art, in the present application, the driving device drives the first lens holder 30 to move along the length direction of the guide rail 50, changing the distance between the first lens holder 30 and the second lens holder 40, realizing the adjustment of the beam expansion ratio, and thus obtaining light spots of different sizes. Moreover, the present application only needs to simply use the laser generator 20, the first lens holder 30, the second lens holder 40, the guide rail 50 and the driving device and integrate the above components into the housing 10, with a simple structure, so as to reduce the manufacturing cost.

[0038] Further, the housing 10 has a receiving cavity 110 and an installation opening 120 communicating with the receiving cavity 110. The installation opening 120 is provided with an installation plate 130; the guide rail 50, the driving device and the second lens holder 40 are all arranged on the installation plate 130. The guide rail 50, the driving device, the first lens holder 30 and the second lens holder 40 can be pre-installed on the installation plate 130, and then the installation plate 130 is correspondingly installed on the installation opening 120. After installation, the first lens 310 and the second lens 410 are naturally located in the laser optical path, realizing rapid assembly.

[0039] Further, the first lens holder 30 is arranged on the guide rail 50 through a slider 510.

[0040] Further, the first lens 310 is provided on both the upper side and the lower side of the first lens holder 30.

[0041] Further, first lens mounting grooves are provided on the upper side surface and the lower side surface of the first lens holder 30, and the first lens 310 is provided on the first lens mounting grooves; first lens fixing members 320 are further assembled on the upper side surface and the lower side surface of the first lens holder 30, and the first lens fixing members 320 are provided with first limiting portions 321 that abut against the first lens 310, and the first lens 310 is limited by the first limiting portions 321 to prevent the first lens 310 from falling off.

[0042] Further, a second lens 410 mounting groove is provided on the upper side surface of the second lens holder 40, and the second lens 410 is provided on the second lens 410 mounting groove; a second lens fixing member 420 is further assembled on the upper side surface of the second lens holder 40, and the second lens fixing member 420 is provided with a second limiting portion 421 that abuts against the second lens 410, and the second lens 410 is limited by the second limiting portion 421 to prevent the second lens 410 from falling off.

[0043] Further, the driving device includes a driving motor 610 and a driving rod 620. One end of the driving rod 620 is drivingly connected to the driving motor 610, and the other end of the driving rod 620 is connected to the first lens holder 30. Preferably, the driving motor 610 is a servo motor to achieve precise adjustment.

[0044] The present utility model further provides a laser head, which includes the spot size adjustment structure of the laser head as described above.

[0045] The present utility model further provides an edge banding machine, which includes the laser head as described above.

[0046] According to the disclosure and teachings of the above specification, those skilled in the art to which the present utility model pertains can also make changes and modifications to the above embodiments. Therefore, the present utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present utility model should also fall within the protection scope of the claims of the present utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims

1. A spot size adjustment structure of a laser head, characterized in that: include: A housing and a laser generator, a first lens holder, a second lens holder, a guide rail and a driving device arranged in the housing, wherein the first lens holder is provided with a first lens and the second lens holder is provided with a second lens; The first lens and the second lens are both located on the laser light path emitted by the laser generator, and the length direction of the guide rail is the same as the emission direction of the laser light path; The driving device is drivingly connected to the first lens bracket to enable the first lens bracket to move along the length direction of the guide rail, thereby changing the distance between the first lens bracket and the second lens bracket.

2. The spot size adjustment structure of the laser head according to claim 1, characterized in that: The housing has a receiving cavity and a mounting opening communicating with the receiving cavity, and the mounting opening is provided with a mounting plate; The guide rail, the driving device and the second lens bracket are all arranged on the mounting plate.

3. The spot size adjustment structure of a laser head according to claim 1, characterized in that: The first lens bracket is arranged on the guide rail via a sliding block.

4. The spot size adjustment structure of a laser head according to claim 1, characterized in that: The first lens is disposed on both the upper side and the lower side of the first lens bracket.

5. The spot size adjustment structure of the laser head according to claim 4, characterized in that: The upper side and the lower side of the first lens bracket are further provided with a first lens assembly groove, and the first lens assembly groove is provided with the first lens; The upper side and the lower side of the first lens bracket are also equipped with a first lens fixing member, and the first lens fixing member is provided with a first limiting portion that abuts against the first lens.

6. The spot size adjustment structure of a laser head according to claim 1, characterized in that: The upper side of the second lens bracket is provided with a second lens assembly groove, and the second lens is arranged on the second lens assembly groove; The upper side surface of the second lens bracket is also equipped with a second lens fixing piece, and the second lens fixing piece is provided with a second limiting portion that abuts against the second lens.

7. The spot size adjustment structure of a laser head according to claim 1, characterized in that: The driving device comprises a driving motor and a driving rod, one end of the driving rod is drivingly connected to the driving motor, and the other end of the driving rod is connected to the first lens bracket.

8. A laser head, characterized in that: It comprises the spot size adjustment structure of the laser head as described in any one of claims 1 to 7.

9. An edge banding machine, characterized in that: Comprising the laser head as claimed in claim 8.

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