Handheld continuous laser cleaning head

Abstract

The utility model provides a handheld continuous laser cleaning head which comprises a cleaning head connected with a QBH laser output head through a QBH fixing chuck. A first gas path is arranged in the QBH fixed chuck and covers the whole QBH fixed chuck; a QBH chuck cooling air path input interface and a QBH chuck cooling air path output interface which are communicated with the first air path are arranged on the QBH fixed chuck, the QBH chuck cooling air path input interface is used for connecting an external air compressor output air path, and the QBH chuck cooling air path output interface is used for connecting the output air path. According to the laser cleaning head, the purpose of heat dissipation is achieved in an indirect mode, the phenomenon of frequent self-protection shutdown of the laser cleaning head can be effectively avoided, and the normal operation stability and the cleaning efficiency of the cleaning head are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of laser cleaning equipment technical field, specifically to a kind of hand-held continuous laser cleaning head. BACKGROUND

[0002] The current general hand-held continuous laser cleaning head is to install the QBH laser output head of water-cooled structure in continuous laser in laser cleaning head, guide laser beam into cleaning head, focus spot is focused on working point by collimating mirror and galvanometer reflection and by focusing field mirror to realize laser cleaning, since the continuous laser power is high, a large amount of heat is generated in the whole device during cleaning process, which can cause the cleaning head to frequently self-protective shutdown phenomenon, and the QBH laser output head of the input end of the cleaning head also uses water cooling mode.

[0003] When using water cooling, the cleaning head must be equipped with a corresponding type of industrial water chiller for cooling. The water used by the water chiller needs to be pure water and needs to be replaced periodically. At the same time, the water chiller is heavy and bulky, and the price is expensive, which is not convenient for transportation and maintenance.

[0004] In addition, the existing cleaning head usually uses double-axis swing galvanometer for light path transmission, and uses field mirror focusing mode to realize laser cleaning, which makes the overall structure complex, the cost is high, the laser cleaning head is large in size and heavy in weight, and it is not convenient for manual cleaning. SUMMARY

[0005] The utility model aims at providing a kind of hand-held continuous laser cleaning head, which realizes the purpose of heat dissipation in an indirect way, effectively avoids the frequent self-protective shutdown phenomenon of laser cleaning head, and greatly improves the stability and cleaning efficiency of the cleaning head in normal operation.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A hand-held continuous laser cleaning head, comprising a cleaning head, the cleaning head is connected with a QBH laser output head through a QBH fixed chuck.

[0008] The first air path is arranged inside the QBH fixed chuck, and covers the entire inside of the QBH fixed chuck.

[0009] A QBH chuck cooling air path input interface and a QBH chuck cooling air path output interface are arranged on the QBH fixed chuck and communicate with the first air path. The QBH chuck cooling air path input interface is used to connect the input of the external air compressor output air path, and the QBH chuck cooling air path output interface is used to connect the output air path.

[0010] The cleaning head comprises a cleaning head body, a second air path is arranged inside the cleaning head body for covering the cleaning head body, and a cleaning head cooling air path input interface and a cleaning head cooling air path output interface are arranged on the cleaning head body for being connected with the second air path.

[0011] Further, the cleaning head further comprises a laser light path transmission line assembly arranged inside the cleaning head body, the laser light path transmission line assembly comprises a collimating mirror, a single-axis reflecting galvanometer mirror, a focusing mirror and a protection mirror which are arranged inside the cleaning head body, and a galvanometer motor is arranged inside the cleaning head body and connected with the single-axis reflecting galvanometer mirror.

[0012] Preferably, a protection air path is arranged on the cleaning head body, an annular groove is arranged on the light path output end of the cleaning head body and connected with the protection air path, and the protection air path is communicated with a blowing protection input interface arranged on the cleaning head body.

[0013] Further, an operation button switch is arranged on the cleaning head.

[0014] The cleaning head is provided with a laser cleaning head handle.

[0015] Further, a strip-shaped groove is arranged at the position of the laser cleaning head handle.

[0016] The light path output end of the cleaning head is provided with an out-light port safety protection mechanism.

[0017] Further, the out-light port safety protection mechanism comprises a rotating shaft and a micro-motion stroke sensing switch, the side surface of the rotating shaft is provided with an out-light port, the rotating shaft is used for opening and closing the light path output end, and the micro-motion stroke sensing switch is arranged on the cleaning head.

[0018] Further, the light path output end and the out-light port are both in a strip-shaped port structure.

[0019] Compared with the prior art, the cleaning head has the following beneficial effects:

[0020] In actual use, the first air path arranged inside the QBH fixed clamp head adopts an indirect heat dissipation mode to take away heat of the QBH fixed clamp head through the compressed air path circulation mode, so as to dissipate heat of the QBH laser output head; since the air path circulation in the first air path is distributed in the whole QBH fixed clamp head to form a passage, during installation, the QBH clamp head cooling air path input interface is only needed to be connected with the output end of the air compressor, so as to dissipate heat of the QBH laser output head, thereby effectively avoiding the frequent self-protection shutdown phenomenon of the laser cleaning head, and greatly improving the stability and cleaning efficiency of the cleaning head in normal operation. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show 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 also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0023] Figure 2 It is a schematic diagram of the overall structure of the present application.

[0024] Figure 3 It is a schematic diagram of the internal structure of the present application.

[0025] Figure 4 It is a schematic diagram of the internal structure of the present application. Figure 3

[0026] Reference signs:

[0027] 101 cleaning head, 102 QBH fixed chuck, 103 QBH laser output head, 104 QBH chuck cooling gas path input interface, 105 QBH chuck cooling gas path output interface, 106 cleaning head body, 107 light outlet, 108 cleaning head cooling gas path input interface, 109 cleaning head cooling gas path output interface, 110 collimating mirror, 111 single-axis reflecting galvanometer, 112 focusing mirror, 113 galvanometer motor, 114 protection gas path, 115 annular groove, 116 operation button switch, 117 strip-shaped groove, 118 light outlet safety protection mechanism, 119 rotating shaft, 120 protection mirror, 121 laser cleaning head handle, 122 gas blowing protection input interface, 123 light path output end. DETAILED DESCRIPTION

[0028] In the following, only some exemplary embodiments are described simply. As those skilled in the art can realize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0029] In the description of the embodiments of the present application, it should be understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application. ​

[0030] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any priority or any relative importance of the indicated technical features. Thus, a feature defined with "first", "second", etc. can include one or more of the features implicitly or explicitly. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0031] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0032] In the embodiments of the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or it can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical and inclined upward of the first feature to the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "lower", "lower" and "lower" of the first feature to the second feature include the vertical and inclined upward of the first feature to the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0033] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can refer to the same reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed.

[0034] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0035] Referring to Figures 1-4 The present embodiment discloses a kind of hand-held continuous laser cleaning head, including cleaning head 101, cleaning head 101 is connected with QBH laser output head 103 by QBH fixed chuck 102;

[0036] The first air path is arranged inside the QBH fixing chuck 102.

[0037] The QBH chuck cooling air path input interface 104 and the QBH chuck cooling air path output interface 105 are arranged on the QBH fixing chuck 102 and are communicated with the first air path.

[0038] In actual use, the QBH fixing chuck 102 is indirectly cooled by the first air path arranged inside the QBH fixing chuck 102, and the heat of the QBH fixing chuck 102 is taken away by the compressed air path, so as to cool the QBH laser output head 103.

[0039] Further, in some preferred embodiments, the cleaning head 101 comprises a cleaning head body 106, the second air path is arranged inside the cleaning head body 106 for covering the cleaning head body 106, and the cleaning head cooling air path input interface 108 and the cleaning head cooling air path output interface 109 are arranged on the cleaning head body 106 for connecting with the second air path.

[0040] Further, the cleaning head 101 further comprises a laser light path transmission line assembly arranged inside the cleaning head body 106, the laser light path transmission line assembly comprises a collimating mirror 110, a single-axis reflecting galvanometer 111, a focusing mirror 112 and a protection mirror 120 arranged in the air path inside the cleaning head body 106, and the cleaning head body 106 is provided with a galvanometer motor 113 connected with the single-axis reflecting galvanometer 111.

[0041] The cleaning head body 106 is provided with a protection air path 114, the light path output end of the cleaning head body 106 is provided with an annular groove 115 connected with the protection air path 114, and the protection air path 114 is communicated with a blowing protection input interface 122 arranged on the cleaning head body 106.

[0042] Further optimization, the cleaning head 101 is provided with an operation button switch 116.

[0043] In actual use, the cleaning head 101 is provided with a laser cleaning head handle 121, that is, a part of the cleaning head 101 close to the QBH fixed chuck 102.

[0044] Further, the laser cleaning head handle 121 is provided with a strip-shaped groove 117.

[0045] Preferably, the light path output end 123 of the cleaning head 101 is provided with a light outlet safety protection mechanism 118.

[0046] Further, the light outlet safety protection mechanism 118 comprises a rotating shaft 119 and a micro-motion stroke sensing switch, the rotating shaft 119 is provided with the light outlet 107 on the side surface, and the rotating shaft 119 is used for opening and closing the light path output end 123, and the micro-motion stroke sensing switch is installed on the cleaning head 101.

[0047] In actual use, the rotating shaft 119 is provided with a protruding part, and after the rotating shaft 119 is rotated, the protruding part can be in contact or separated from the micro-motion stroke sensing switch, so that the micro-motion stroke sensing switch is triggered.

[0048] The light path output end 123 and the light outlet 107 are in strip-shaped port structures.

[0049] Further, the rotating shaft 119 is provided with a knob.

[0050] In order to facilitate those skilled in the art to further understand the present application, the present application will be further described below in combination with specific implementation cases.

[0051] A handheld continuous laser cleaning head mainly comprises a laser cleaning head handle 121, a cleaning head 101, a QBH laser output head 103, a QBH fixed chuck 102, a collimating mirror 110, a focusing mirror 112, a single-axis reflecting galvanometer 111, a galvanometer motor 113, a protective mirror 120, an operation button switch 116, a QBH chuck cooling gas path input interface 104, a QBH chuck cooling gas path output interface 105, a blowing protection input interface 123, a blowing protection output end, a cleaning head cooling gas path input interface 108 and a cleaning head cooling gas path output interface 109, a light outlet safety protection mechanism 118 and the like.

[0052] The functions of the components are as follows:

[0053] The cleaning head 101 is a cleaning main body part, used for mounting of various lenses and transmission of light paths.

[0054] The laser cleaning head handle 121 is used for manual holding operation and fixing of the QBH chuck, and the cleaning head 101 and the QBH laser output head 103 are connected through the QBH fixed chuck 102.

[0055] QBH laser output head 103, no water cooling pipeline, rely on their own heat dissipation.

[0056] QBH fixed chuck 102, for the installation and fixed of QBH laser output head 103, QBH fixed chuck 102 is provided with a first gas path inside, the first gas path covers the whole QBH fixed chuck 102 inside;QBH fixed chuck 102 removes heat through the way of compressed air circuit (first gas path) circulation, so as to cool the QBH laser output head 103, the first gas path circulation covers the whole chuck inside, when installing, the chuck cooling gas path input interface is connected to the air compressor output end, which is fast and convenient.

[0057] Collimating mirror 110, for changing the divergent light into a parallel collimated light column.

[0058] Focusing mirror 112, for focusing the light path.

[0059] Single axis reflecting mirror 111, for reflecting the light path.

[0060] Vibrating mirror motor 113, for swinging the reflecting mirror, the rotation angle is ±8°.

[0061] Protective mirror 120, for protecting the focusing mirror 112, preventing external dust or splashing from entering and adhering to the surface of the focusing mirror 112 piece during cleaning, so that the light path cannot pass through the focusing mirror 112 piece, and the light path heat is gathered in the place, so that the lens appears burnout damage.

[0062] Operating button switch 116, for the operation trigger of laser cleaning head 101.

[0063] QBH chuck cooling gas path input interface 104, for connecting the entering of external air compressor output gas path.

[0064] QBH chuck cooling gas path output interface 105, for connecting the output circuit gas path.

[0065] Air blowing protection input interface, for connecting the entering of external air compressor output gas path.

[0066] Air blowing protection output end, for protecting the output end protective mirror 120 piece, preventing floating dust or splashing from adhering to the protective mirror 120 piece during cleaning, and burning the lens.

[0067] Cleaning head cooling gas path input interface 108, for connecting the entering of external air compressor output gas path.

[0068] Cleaning head cooling gas path output interface 109, for connecting the output circuit gas path.

[0069] The light outlet safety protection mechanism 118 is used for safety interlocking of the laser cleaning light outlet 107.

[0070] In the case, the light path output port is the output end of the final light path, the output port adopts a strip-shaped port structure, the light outlet 107 can not only ensure smooth output of the light path, but also is centralized in a minimum range, and is more beneficial to blowing protection effect of the position.

[0071] In actual use, the utility model discloses a single-shaft (single) swing galvanometer for reflecting transmission of the light path, only one set of galvanometer motor 113 and reflecting galvanometer is used, compared with the traditional double-shaft (two) swing galvanometer, the whole light path transmission structure is simple, installation and debugging are convenient, easy to operate, the failure rate is low, and the later maintenance is fast and simple, and the cost is low.

[0072] In actual use, the utility model discloses can adopt aluminum material processing, and the aluminum material not only has good heat conduction performance compared with other metals or composite materials, but also has moderate price, and the aluminum material is also easy to process, and the cost performance of the material is extremely high.

[0073] The utility model discloses a strip-shaped groove 117 is arranged at the handle 121 position of laser cleaning head, and the strip-shaped groove has two functions: handheld antiskid effect and heat dissipation fin structure heat dissipation effect.

[0074] The utility model discloses a light outlet safety protection mechanism 118, for the safety interlocking of laser cleaning light outlet 107, when rotating shaft 119 rotates to light outlet 107 and laser head light outlet 107 coincide, its rotating shaft 119 will trigger the microtravel inductive switch to start, when the continuous double-click trigger operating button switch 116 cleaning head 101 only normal light cleaning operation can be carried out, when rotating shaft 119 rotates to the shaft diameter completely blocks laser head light outlet 107, microtravel inductive switch closes, when laser cleaning head 101 will be linked safety interlocking, double-click trigger operating button switch 116 again, and cleaning head 101 light outlet 107 all will not light work, guarantee the safety in the operation process.

[0075] The utility model discloses adopt the mode of indirect heat dissipation to the QBH fixed chuck 102 of its pasting through the mode of compressed air circuit flow and take away heat, and this QBH laser output head 103 is cooled down by heat dissipation, wherein the gas circuit loop flow is formed in the whole chuck inside and is connected with the air compressor output end, and the QBH laser output head 103 is cooled down by heat dissipation, thereby effectively avoiding the phenomenon of frequent self-protection shutdown of the laser cleaning head 101, and the stability and cleaning efficiency of the normal operation of the cleaning head 101 are greatly improved.

[0076] The utility model discloses laser cleaning head handle 121 and its cleaning head body 106 also adopt the mode of compressed air circuit flow and take away the heat of the whole cleaning head 101, and the cleaning head 101 is cooled down by heat dissipation, and the gas circuit loop flow is formed in the whole handle and body inside, and the chuck cooling gas circuit input interface is connected with the air compressor output end, and the phenomenon of frequent self-protection shutdown of the cleaning head 101 is effectively avoided, and the stability and cleaning efficiency of the normal operation are greatly improved.

[0077] The utility model discloses adopt the mode of compressed air downward blowing protection to the light path output end, prevent the dust or splashing of floating in the cleaning process and attach on the protection mirror 120 piece, burn the lens, influence use performance, and the light outlet 107 adopts the strip shape mouth structure, and the light outlet 107 can guarantee the smooth output of light path, and the light outlet 107 minimum range centralization is more favorable to the blowing protection effect of this position.

[0078] The utility model discloses adopt the mode of double compressed air circuit flow and take away heat, not only the cooling of QBH laser output head 103, but also the cooling of laser cleaning head body 106 and handle, adopt this heat dissipation mode, and the supporting equipment only needs to equip an air compressor, and no longer needs the water cooling machine of huge size, makes its whole structure simple, and installation and debugging are quick and convenient, and the cost is low, and the failure rate is low, and the post-maintenance is convenient.

[0079] Although the preferred embodiments of the utility model have been described, the skilled in the art once the basic creative concept is known, then can make additional change and modification to these embodiments. Therefore, the appended claims are intended to explain as including the preferred embodiments and all changes and modifications falling within the scope of the utility model.

[0080] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and it should be pointed out that, any modification, equivalent replacement and improvement etc. in the spirit and principle of the utility model are included in the protection scope of the utility model.

Claims

1. A hand-held continuous wave laser cleaning head comprising a cleaning head, characterised in that: The cleaning head is connected with the QBH laser output head through the QBH fixing chuck; The first gas path is arranged inside the QBH fixing chuck and covers the inside of the QBH fixing chuck; The QBH chuck cooling gas path input interface and the QBH chuck cooling gas path output interface are arranged on the QBH fixing chuck and are communicated with the first gas path, the QBH chuck cooling gas path input interface is used for connecting the input of the external air compressor output gas path, and the QBH chuck cooling gas path output interface is used for connecting the output gas path.

2. A hand-held continuous wave laser cleaning head according to claim 1, wherein: The cleaning head comprises a cleaning head body, a second gas path is arranged inside the cleaning head body for covering the cleaning head body, and a cleaning head cooling gas path input interface and a cleaning head cooling gas path output interface are arranged on the cleaning head body and are used for connecting the second gas path.

3. A hand-held continuous wave laser cleaning head as claimed in claim 1, characterized in that: The cleaning head further comprises a laser light path transmission line assembly arranged inside the cleaning head body, the laser light path transmission line assembly comprises a collimating mirror, a single-axis reflecting galvanometer, a focusing mirror and a protective mirror arranged in the cleaning head body, and a galvanometer motor connected with the single-axis reflecting galvanometer is arranged in the cleaning head body.

4. The hand-held continuous wave laser cleaning head of claim 1 wherein: A protection gas path is arranged on the cleaning head body, an annular groove connected with the protection gas path is arranged at the light path output end of the cleaning head body, and the protection gas path is communicated with a blowing protection input interface arranged on the cleaning head body.

5. The hand-held continuous wave laser cleaning head of claim 1 wherein: An operation button switch is arranged on the cleaning head.

6. The hand-held continuous wave laser cleaning head of claim 1 wherein: The cleaning head is provided with a laser cleaning head handle.

7. A hand-held continuous wave laser cleaning head as claimed in claim 6, characterized in that: A strip-shaped groove is arranged at the position of the laser cleaning head handle.

8. A hand-held continuous wave laser cleaning head as claimed in any one of claims 1 to 7, characterized in that: The light path output end of the cleaning head is provided with an out-light port safety protection mechanism.

9. A hand-held continuous wave laser cleaning head as claimed in claim 8, characterized in that: The out-light port safety protection mechanism comprises a rotating shaft and a micro-motion stroke sensing switch, a light output port is arranged on the side surface of the rotating shaft, the rotating shaft is used for opening and closing the light path output end, and the micro-motion stroke sensing switch is arranged on the cleaning head.

10. A hand-held continuous wave laser cleaning head as claimed in claim 8, characterized in that: The light path output end and the light output port are both in a strip-shaped port structure.

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