Dynamic focusing galvanometer module

Abstract

The utility model provides a dynamic focusing galvanometer module, which comprises a zooming device, the zooming device comprises a pulley unit and a galvanometer motor, the pulley unit is configured to move in the Z-axis direction under the control of the galvanometer motor, the pulley unit comprises a galvanometer and a galvanometer displacement unit, and the galvanometer displacement unit is configured to move in the Z-axis direction under the control of the galvanometer motor. The galvanometer displacement unit comprises a first rotating arm connected with the output end of the galvanometer motor and a second rotating arm connected with the first rotating arm in a pivoted mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of laser processing, more particularly to a dynamic focusing galvanometer module. BACKGROUND

[0002] The existing dynamic focusing galvanometer module has the shortcomings of complex structure, single function, slow speed, low precision, large volume and heavy weight, and cannot meet the application requirements of new industries. With the development of society, people's demand for the intelligentization, high-speed processing and ease of use of laser processing equipment has increased. There is an urgent need to develop a dynamic focusing galvanometer module with dynamic focusing function for processing products or objects. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the problems of the existing dynamic focusing galvanometer module, such as complex structure, single function, slow speed, low precision, large volume and heavy weight.

[0004] The utility model is proposed in view of the above and other more ideas.

[0005] According to one aspect of the utility model, a dynamic focusing galvanometer module is provided, comprising:

[0006] The zoom device comprises a trolley unit and a galvanometer motor, and the trolley unit is configured to move in the Z-axis direction under the control of the galvanometer motor.

[0007] In one embodiment, the zoom device further comprises a galvanometer displacement unit, the trolley unit and the galvanometer motor are connected through the galvanometer displacement unit, the trolley unit comprises a galvanometer, and the galvanometer displacement unit comprises a first rotating arm connected with the output end of the galvanometer motor and a second rotating arm pivotally connected with the first rotating arm.

[0008] In one embodiment, the trolley unit further comprises a connecting end pivotally connected with the second rotating arm, and a first guide unit.

[0009] In one embodiment, the first guide unit is slidably connected with a second guide unit provided on the dynamic focusing galvanometer module, and the trolley unit is configured to be driven by the rotation of the galvanometer motor to rotate the first rotating arm and the second rotating arm, so that the trolley unit moves in the Z-axis direction along the second guide unit.

[0010] In one embodiment, the first guide unit comprises a guide hole, the second guide unit comprises a guide column provided on the housing, and / or the first guide unit comprises a guide column and the second guide unit comprises a guide hole on the housing.

[0011] In one embodiment, the dynamic focusing galvanometer module comprises a mirror, which is arranged opposite to the galvanometer at an angle, so that the light is reflected by the mirror to the entrance hole after passing through the galvanometer.

[0012] In one embodiment, the dynamic focusing galvanometer module comprises:

[0013] a first scanning device comprising a first lens and a first motor, the first lens being configured to rotate under the control of the first motor; and

[0014] a second scanning device comprising a second lens and a second motor, the second lens being configured to rotate under the control of the second motor.

[0015] In one embodiment, the dynamic focusing galvanometer module further comprises a housing comprising a main body, the main body being provided with the entrance hole, the light exit hole and an inner cavity.

[0016] In one embodiment, the main body is provided with a first mounting through hole and a second mounting through hole, the first motor being mounted in the first mounting through hole, the second motor being mounted in the second mounting through hole, the first lens and the second lens being arranged in the inner cavity.

[0017] In one embodiment, the main body is provided with a mounting seat, the galvanometer motor being mounted in the mounting seat.

[0018] In one embodiment, the housing comprises a mounting bracket extending outwardly along the main body, the mounting bracket being mounted with the mirror and the guide column, the entrance hole being arranged on one side close to the mounting bracket.

[0019] In one embodiment, the first mounting through hole is arranged opposite to the entrance hole, the second mounting through hole is arranged opposite to the light exit hole, and the mounting seat is arranged on the outer side of the main body close to the second mounting through hole.

[0020] In one embodiment, the dynamic focusing galvanometer module further comprises a Z-axis movement module configured to drive the dynamic focusing galvanometer module to move in the Z-axis direction.

[0021] In one embodiment, the Z-axis movement module further comprises a sliding block and a sliding rail matched with the sliding block, the sliding block being arranged on the housing of the dynamic focusing galvanometer module.

[0022] In one embodiment, the Z-axis movement module comprises a Z-axis drive motor driving the sliding block to move along the sliding rail in the Z-axis direction.

[0023] In one embodiment, the slider is provided with a rack engaged with an output end of the Z-axis drive motor.

[0024] According to another aspect of the present application, a dynamic focusing galvanometer module is provided, comprising:

[0025] A housing comprising a main body provided with an incident hole, a light exit hole and an inner cavity;

[0026] A first scanning device comprising a first lens and a first motor, the first lens being configured to rotate under the control of the first motor;

[0027] A second scanning device comprising a second lens and a second motor, the second lens being configured to rotate under the control of the second motor; and

[0028] A zoom device comprising a trolley unit and a galvanometer motor, the trolley unit being configured to move in the Z-axis direction under the control of the galvanometer motor.

[0029] In one embodiment, the zoom device further comprises a galvanometer displacement unit, the trolley unit and the galvanometer motor are connected through the galvanometer displacement unit, the trolley unit comprises a galvanometer, the galvanometer displacement unit comprises a first rotating arm connected with an output end of the galvanometer motor, a second rotating arm pivotally connected with the first rotating arm.

[0030] In one embodiment, the trolley unit further comprises a connecting end pivotally connected with the second rotating arm, and a first guide unit.

[0031] In one embodiment, the first guide unit is slidingly connected with a second guide unit provided on the dynamic focusing galvanometer module, the trolley unit is configured to be driven to rotate by the rotation of the galvanometer motor, so that the trolley unit moves along the second guide unit in the Z-axis direction.

[0032] In one embodiment, the first guide unit comprises a guide hole, the second guide unit comprises a guide post provided on the housing, and / or the first guide unit comprises a guide post, and the second guide unit comprises a guide hole on the housing.

[0033] In one embodiment, the dynamic focusing galvanometer module comprises a reflecting mirror, the reflecting mirror is arranged at an angle opposite to the galvanometer, so that light passing through the galvanometer reaches the reflecting mirror and is reflected by the reflecting mirror to the incident hole.

[0034] In one embodiment, the main body is provided with a first mounting through hole and a second mounting through hole, the first motor is mounted in the first mounting through hole, the second motor is mounted in the second mounting through hole, and the first lens and the second lens are arranged in the inner cavity.

[0035] In one embodiment, the main body is provided with a mounting seat, and the galvanometer motor is mounted in the mounting seat.

[0036] In one embodiment, the shell comprises a mounting rack extending outwardly along the main body, the mounting rack is mounted with the reflecting mirror and the guide column, and the incident hole is arranged on one side close to the mounting rack.

[0037] In one embodiment, the first mounting through hole is arranged opposite to the incident hole, the second mounting through hole is arranged opposite to the light emitting hole, and the mounting seat is arranged on the outer side of the main body close to the second mounting through hole.

[0038] In one embodiment, the dynamic focusing galvanometer module further comprises a Z-axis movement module configured to drive the dynamic focusing galvanometer module to move in the Z-axis direction.

[0039] In one embodiment, the Z-axis movement module further comprises a sliding block and a sliding rail matched with the sliding block, and the sliding block is arranged on the shell of the dynamic focusing galvanometer module.

[0040] In one embodiment, the Z-axis movement module comprises a Z-axis drive motor configured to drive the sliding block to move along the sliding rail in the Z-axis direction.

[0041] In one embodiment, the sliding block is provided with a rack engaged with the output end of the Z-axis drive motor.

[0042] More embodiments of the utility model can also achieve other beneficial technical effects not listed one by one, and these other technical effects may be partially described in the following and can be expected and understood by those skilled in the art after reading the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0043] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without paying creative labor.

[0044] Figure 1 The utility model discloses a dynamic focusing galvanometer module, which comprises a main body, a first motor, a second motor, a first lens, a second lens, a shell, an incident hole, a light emitting hole and a reflecting mirror.

[0045] Figure 2 A configuration diagram of the first scanning device, the second scanning device and the zooming device of the present application in the dynamic focusing galvanometer module of the present application is shown;

[0046] Figure 3 A perspective view of the trolley unit of the present application is shown;

[0047] Figure 4 A perspective view of the Z-axis movement module of the dynamic focusing galvanometer module of the present application is shown;

[0048] Figure 5 A perspective view of the galvanometer displacement unit of the dynamic focusing galvanometer module of the present application is shown;

[0049] Figure 6 A perspective view of the main body of the dynamic focusing galvanometer module of the present application is shown; and

[0050] Figure 7 Another perspective view of the main body of the dynamic focusing galvanometer module of the present application is shown. DETAILED DESCRIPTION

[0051] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0052] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0053] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0054] In the description of the utility model, it needs to explain that, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0055] In the description of the utility model, it also needs to explain that, unless otherwise explicitly specified and limited, the terms "set", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected or communicatively connected. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0056] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "above", "upper" and "upper surface" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0057] It is further necessary to make it clear that, as used herein, the term "laser" includes any electromagnetic radiation or focused or coherent energy source that uses photons to modify a substrate or cause some change or alteration on a material that is struck by the photons. The laser (whether it is a cutting tool or an engraving tool) can emit any desired wavelength, including, for example, microwaves, lasers, infrared lasers, visible light lasers, UV lasers, X-ray lasers, gamma-ray lasers, and the like.

[0058] It is further necessary to make it clear that, as used herein, the term "laser processing" (or, more simply, "processing") is generally accomplished, in whole or in part, by irradiating a workpiece with laser radiation to cause one or more materials forming the workpiece to heat, melt, evaporate, ablate, crack, discolor, carbonize, or otherwise change one or more properties or characteristics of the one or more materials.

[0059] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0060] Figures 1-7 A dynamic focusing galvanometer module is shown, which comprises: a housing, the housing comprising a main body 15, the main body 15 being provided with an incident hole 150, an exit hole 151 and an inner cavity 152; a first scanning device 10, the first scanning device 10 comprising a first lens 100 and a first motor 101, the first lens 100 being configured to rotate under the control of the first motor 101; a second scanning device 11, the second scanning device 11 comprising a second lens 110 and a second motor 111, the second lens 110 being configured to rotate under the control of the second motor 111; and a zoom device 13, the zoom device 13 comprising a trolley unit 130 and a galvanometer motor 131, the trolley unit 130 being configured to move in the Z-axis direction under the control of the galvanometer motor 131. As shown, Figure 6 The housing further comprises a mounting bracket 16 extending outwardly along the main body 15. The incident hole 150 is used for light to be incident into the inner cavity 152, and the exit hole 151 is used for light to exit the inner cavity 152 and for processing objects. The inner cavity 152 is used to accommodate the first lens 100, the second lens 110, and parts of the first motor 101 and the second motor 111, and to protect the first lens 100 and the second lens 110. The zoom device 13 is disposed outside the housing and is used to adjust the focal length.

[0061] The first scanning device 10 and the second scanning device 11 are operable to impart movement of the beam axis relative to the workpiece along the X-axis (or direction), the Y-axis (or direction), or a combination thereof. As shown, Figure 1 A platform 5 can be provided below the dynamic focusing galvanometer module, and the workpiece or object can be placed on the platform 5.

[0062] As shown in Figure 3 and 5 The zoom device 13 further comprises a galvanometer displacement unit 132, and the trolley unit 130 and the galvanometer motor 131 are connected through the galvanometer displacement unit 132. The trolley unit 130 comprises a galvanometer 1301, and the galvanometer displacement unit 132 is used to adjust the position of the galvanometer 1301 in the Z direction, thereby adjusting the focal length. The galvanometer displacement unit 132 comprises a first rotary arm 1321 connected with the output end or output shaft of the galvanometer motor 131, and a second rotary arm 1322 pivotally connected with the first rotary arm 1321. When the galvanometer motor 131 rotates, the first rotary arm 1321 will rotate under the drive of the motor, in turn driving the second rotary arm 1322 to move.

[0063] As shown in Figure 3 , the trolley unit 130 further comprises a connecting end 1300 pivotally connected with the second rotating arm 1322, and a first guide unit 1303. The first guide unit 1303 is slidingly connected with a second guide unit 1304 arranged on the dynamic focusing galvanometer module. The trolley unit 130 is configured to rotate the first rotating arm 1321 and the second rotating arm 1322 by the rotation of the galvanometer motor 131, so that the trolley unit 130 moves along the second guide unit 1304 in the Z-axis direction.

[0064] In one embodiment, the first guide unit 1303 comprises a guide hole, and the second guide unit 1304 comprises a guide column arranged on the shell, wherein the guide hole is sleeved outside the guide column. In another embodiment, the first guide unit 1303 comprises a guide column, and the second guide unit 1304 comprises a guide hole on the shell. By arranging the guide hole and the guide column, the galvanometer 1301 can move in the Z-axis direction under the driving of the galvanometer motor 131, thereby dynamically adjusting the focal length.

[0065] As shown in Figure 1 , the dynamic focusing galvanometer module comprises a reflecting mirror 14, which is arranged at an angle opposite to the trolley unit 130 or the galvanometer 1301 and is used to change the propagation direction of light, so that the light is reflected by the reflecting mirror 14 to the entrance hole 150 after passing through the galvanometer 1301, as shown in Figure 5 .

[0066] As shown in Figure 6 , the main body 15 is provided with a first mounting through hole 153 and a second mounting through hole 154, the first motor 101 is mounted in the first mounting through hole 153, the second motor 111 is mounted in the second mounting through hole 154, and the first lens 100 and the second lens 110 are arranged in the inner cavity 152. The main body 15 is provided with a mounting seat 155, and the galvanometer motor 131 is mounted in the mounting seat 155. The shell comprises a mounting bracket 16 extending outwardly along the main body 15, the mounting bracket 16 is mounted with the reflecting mirror 14 and the second guide unit 1304 (in one embodiment, for example, a guide column), and the entrance hole 150 is arranged on one side close to the mounting bracket 16.

[0067] As shown in Figure 6 and 7 , the first mounting through hole 153 is arranged opposite to the entrance hole 150, the second mounting through hole 154 is arranged opposite to the light exit hole 151, and the mounting seat 155 is arranged on the outer side of the main body 15 close to the second mounting through hole 154.

[0068] As shown in Figure 4As shown, the dynamic focusing galvanometer module further comprises a Z-axis movement module 20 configured to drive the dynamic focusing galvanometer module to move in the Z-axis direction. The Z-axis movement module 20 comprises a Z-axis driving motor 201 and a galvanometer module guide structure 200 configured to drive the dynamic focusing galvanometer module 1 to move in the Z-axis under the driving of the Z-axis driving motor 201. The galvanometer module guide structure 200 comprises a sliding rail 2000 and a sliding block 2001 matched with the sliding rail 2000, and the sliding block 2001 is arranged on the main body 15 of the dynamic focusing galvanometer module. The sliding block 2001 is provided with a rack 20011 engaged with the output end of the Z-axis driving motor 201. The rack 20011 can be integrally formed with the sliding block 2001 or detachably connected. The rack 20011 is engaged with the gear of the output end of the Z-axis driving motor 201. The Z-axis driving motor 201 can rotate to control the rack 20011 to move up and down along the Z-axis, so as to change the position or height of the dynamic focusing galvanometer module 1 in the Z-axis.

[0069] The above is only a preferred embodiment of the present application and is not used to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dynamic focusing galvanometer module, characterized in that, The zoom device comprises a trolley unit and a galvanometer motor, the trolley unit is configured to move in the Z-axis direction under the control of the galvanometer motor, The zoom device further comprises a galvanometer displacement unit, the trolley unit and the galvanometer motor are connected through the galvanometer displacement unit, the trolley unit comprises a galvanometer, and the galvanometer displacement unit comprises a first rotating arm connected with the output end of the galvanometer motor and a second rotating arm pivotally connected with the first rotating arm. The trolley unit further comprises a connecting end pivotally connected with the second rotating arm and a first guide unit.

2. The dynamic focusing galvanometer module of claim 1, wherein, The first guide unit is slidably connected with a second guide unit arranged on the dynamic focusing galvanometer module, the trolley unit is configured to drive the first rotating arm and the second rotating arm to rotate through the rotation of the galvanometer motor, so that the trolley unit moves along the second guide unit in the Z-axis direction.

3. The dynamic focusing galvanometer module of claim 2, wherein, The first guide unit comprises a guide hole, the second guide unit comprises a guide column, and / or the first guide unit comprises a guide column and the second guide unit comprises a guide hole.

4. The dynamic focusing galvanometer module of claim 3, wherein, The dynamic focusing galvanometer module comprises a reflecting mirror, the reflecting mirror is arranged at an angle relative to the galvanometer, so that light passes through the galvanometer and is reflected to the incident hole by the reflecting mirror.

5. The dynamic focusing galvanometer module of claim 4, wherein, The dynamic focusing galvanometer module comprises:

6. The dynamic focusing galvanometer module of claim 5, wherein, A first scanning device comprising a first lens and a first motor, the first lens is configured to rotate under the control of the first motor; and A second scanning device comprising a second lens and a second motor, the second lens is configured to rotate under the control of the second motor. The dynamic focusing galvanometer module further comprises a housing, the housing comprises a main body, the main body is provided with an incident hole, an light-out hole and an inner cavity.

7. The dynamic focusing galvanometer module of claim 6, wherein, The main body is provided with a first mounting through hole and a second mounting through hole, the first motor is mounted in the first mounting through hole, the second motor is mounted in the second mounting through hole, the first lens and the second lens are arranged in the inner cavity, and the main body is provided with a mounting seat, and the galvanometer motor is mounted in the mounting seat.

8. The dynamic focusing galvanometer module of claim 7, wherein, The housing comprises a mounting rack extending outwardly along the main body, the mounting rack is mounted with the reflecting mirror and the guide column, the incident hole is arranged on one side close to the mounting rack, the first mounting through hole is arranged opposite to the incident hole, the second mounting through hole is arranged opposite to the light-out hole, and the mounting seat is arranged on the outer side of the main body close to the second mounting through hole.

9. The dynamic focusing galvanometer module of claim 8, wherein, The dynamic focusing galvanometer module further comprises a Z-axis motion module, the Z-axis motion module is configured to drive the dynamic focusing galvanometer module to move in the Z-axis direction, the Z-axis motion module further comprises a sliding block and a sliding rail matched with the sliding block, the sliding block is arranged on the housing of the dynamic focusing galvanometer module, the Z-axis motion module further comprises a Z-axis drive motor driving the sliding block to move along the sliding rail in the Z-axis direction, and the sliding block is provided with a rack engaged with the output end of the Z-axis drive motor.

10. The dynamic focusing galvanometer module of claim 9, wherein, ​

Images