Laser marking machine

Abstract

The utility model relates to a laser marking machine which comprises a machine frame, two carrying assemblies and a marking device, and the machine frame is provided with a marking station. The two carrying assemblies are movably installed on the rack in the direction close to and away from the marking station, so that the two carrying assemblies can alternately move in the direction of the marking station, one carrying assembly further moves in the vertical direction, and the other carrying assembly further moves in the direction close to and away from the marking station. One of the carrying assemblies moves downwards to avoid the other carrying assembly when the two carrying assemblies move relatively, and the carrying assemblies are used for placing workpieces; the marking device is arranged on the machine frame and located above the marking station, and the marking device is used for marking a workpiece. According to the utility model, the marking time can be fully utilized to carry out feeding and discharging of workpieces, the production takt is accelerated, and the marking efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser marking machines, in particular to a laser marking machine. Background Art

[0002] Laser marking equipment uses laser beams to mark the surface of various materials permanently. It exposes the deeper materials through the evaporation of the surface materials, thereby carving exquisite patterns, trademarks and texts on the surface of the workpiece. For example, laser marking equipment is used for laser marking on the surfaces of electronic components, integrated circuits (ICs), electrical appliances, mobile communications, hardware products, tool accessories, precision instruments, glasses and clocks, jewelry, auto parts, plastic buttons, building materials, and PVC pipes.

[0003] Patent CN106218226A discloses a laser marking machine, which includes a machine platform, an automatic focus scanning system, a chassis and an industrial control system. The chassis is arranged in the machine platform, and the industrial control system is electrically connected to the chassis and the automatic focus scanning system. The automatic focus scanning system includes a bottom mounting plate, a lead screw, a guide rail, a slider that can move up and down and is arranged on the guide rail, a lifting base that is fixedly connected to the slider and is driven by the lead screw to move up and down, a focus scanning bracket arranged on the lifting base, and a focus scanning component arranged on the top of the focus scanning bracket. The bottom mounting plate is fixed in the machine platform, the focus scanning component is located above the machine platform, and a workbench is provided on the machine platform corresponding to the focus scanning component.

[0004] However, the above-mentioned prior art requires placing the workpiece on a workbench, marking the workpiece, removing the marked workpiece after marking is completed, and placing another workpiece for marking, which results in a long work cycle and low marking efficiency. Utility Model Content

[0005] In view of this, it is necessary to provide a laser marking machine to solve the technical problems in the prior art that the workpiece needs to be placed on a workbench, marked, and after marking is completed, the marked workpiece is removed and another workpiece is placed for marking, resulting in a long working cycle and low marking efficiency.

[0006] The utility model provides a laser marking machine, which includes:

[0007] The machine frame is equipped with a marking station;

[0008] Two carrier assemblies, both of which are movably mounted on the frame in directions approaching and moving away from the marking station, so that the two carrier assemblies can alternately move toward the marking station, one of which is also movable in a vertical direction to move downward to avoid the other carrier assembly when the two carrier assemblies move relative to each other, and the carrier assemblies are used for placing workpieces; and

[0009] The marker is arranged on the frame and located above the marking station, and is used for marking the workpiece.

[0010] In some embodiments, the laser marking machine further includes a mounting seat, the mounting seat is disposed on the frame, and the two carrier components are both slidably mounted on the mounting seat along the left and right directions.

[0011] In some embodiments, the mounting seat is provided with a first slide groove and a second slide groove spaced apart from top to bottom;

[0012] The two carrier components include a first carrier component and a second carrier component, the first carrier component is slidably installed in the first slide groove, and the second carrier component is slidably installed in the second slide groove, wherein the second carrier component has a carrier table movably arranged in the vertical direction, so that the carrier table can be flush with the first carrier component at the marking station, when the two carrier components move relatively, the carrier table moves vertically downward to avoid the first carrier component, and the carrier table is used for placing workpieces.

[0013] In some embodiments, the laser marking machine further includes a linkage assembly, which connects the two carrier assemblies so that the two carrier assemblies slide synchronously and alternately.

[0014] In some embodiments, the linkage component includes:

[0015] Two synchronous belt pulleys, the two synchronous belt pulleys are located at the left and right ends of the mounting seat, and each of the synchronous belt pulleys is arranged to rotate along the front-back axis, and the two synchronous belt pulleys are located between the two object-carrying components;

[0016] a synchronous belt, mounted on the two synchronous pulleys, the synchronous belt having an upper side belt and a lower side belt spaced from top to bottom; and

[0017] Two connecting parts, one of which connects the upper sideband and the first carrier assembly to drive the first carrier assembly to move through the upper sideband, and the other connecting part connects the lower sideband and the second carrier assembly to drive the second carrier assembly to move through the lower sideband.

[0018] In some embodiments, the mounting seat is provided with a guide groove extending in the left-right direction, and the middle portion of the guide groove is bent downward and extended;

[0019] The second carrier assembly comprises:

[0020] A sliding plate, slidably mounted on the second sliding groove;

[0021] a lifting plate, slidably mounted on the upper side of the sliding plate in a vertical direction, the lifting plate constituting the loading platform; and

[0022] A guide member is arranged on the lifting plate, and the guide member cooperates with the guide groove to drive the lifting plate to move vertically.

[0023] In some embodiments, the guide member comprises:

[0024] A connecting member, the connecting member extending vertically downward, the upper end of the connecting member being fixedly connected to the lifting plate; and

[0025] A roller is rotatably mounted on the lower end of the connecting member. The roller is located in the guide groove and rollingly cooperates with the side wall of the guide groove.

[0026] In some embodiments, the laser marking machine is further provided with a locking assembly, wherein the locking assembly is provided on the frame and is located at the marking station, and the locking assembly is used to fix the carrier assembly located at the marking station.

[0027] In some embodiments, the locking assembly includes:

[0028] A magnetic member, the magnetic member being disposed on one side of the marking station; and

[0029] Two adsorption parts are respectively arranged on the two carrier components, so that when one of the carrier components moves to the marking station, the adsorption parts corresponding to the carrier component are magnetically matched with the magnetic part.

[0030] In some embodiments, the marker comprises:

[0031] a laser marking head, movably mounted on the frame in a vertical direction so that the position of the laser marking head in the vertical direction is adjustable, and the laser marking head is used to mark the workpiece; and

[0032] A height adjustment component is arranged on the frame and is transmission-connected to the laser marking head to drive the laser marking head to move.

[0033] Compared with the prior art, the laser marking machine provided by the utility model has a frame with a marking station; the two carrier assemblies are movably mounted on the frame in the direction of approaching and moving away from the marking station, so that the two carrier assemblies can move alternately toward the marking station, and one of the carrier assemblies can also move in the vertical direction to move downward to avoid the other carrier assembly when the two carrier assemblies move relatively, the carrier assembly is used for placing workpieces, the marker is arranged on the frame and is located above the marking station, and is specifically used When marking a workpiece, the workpiece is placed on one of the carrier components, and the carrier component is driven to move to the marking station for marking. During the marking process, the next workpiece can be placed on the other carrier component. After the marking of the previous workpiece is completed, the two carrier components are driven to move alternately, and the unmarked workpiece is moved to the marking station for marking. Similarly, during the marking process, the marked workpiece can be removed and a new workpiece to be marked can be placed. This arrangement can make full use of the marking time to load and unload the workpiece, speed up the production rhythm, and improve the marking efficiency.

[0034] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the preferred embodiment of the utility model is described in detail as follows with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0036] Figure 1 A schematic diagram of the structure of an embodiment of a laser marking machine provided by the utility model;

[0037] Figure 2 for Figure 1 The main view of the laser marking machine;

[0038] Figure 3 for Figure 1 A three-dimensional schematic diagram of the medium load component;

[0039] Figure 4 for Figure 3 Left side view of the mid-load component;

[0040] Figure 5 for Figure 3 A top view of the mid-load component;

[0041] Figure 6 for Figure 3a cross-sectional view of the mid-load component;

[0042] Figure 7 for Figure 3 A front view of the mid-load component;

[0043] Figure 8 for Figure 1 Front view of the second loading assembly in FIG.

[0044] Description of reference numerals:

[0045] 1-frame, 11-workbench, 2-first loading assembly, 3-second loading assembly, 31-sliding plate, 32-lifting plate, 33-guide, 331-connecting piece, 332-roller, 4-marker, 41-laser marking head, 42-height adjustment assembly, 5-mounting seat, 51-first slide groove, 52-second slide groove, 53-guide groove, 6-linkage assembly, 61-synchronous pulley, 62-synchronous belt, 621-upper side belt, 622-lower side belt, 63-connecting piece, 7-locking assembly, 71-magnetic piece, 72-adsorption piece, 8-handle. DETAILED DESCRIPTION

[0046] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0047] See also Figure 1 to Figure 2 The laser marking machine includes a frame 1, two carrier assemblies and a marker 4. The frame 1 is provided with a marking station; the two carrier assemblies are movably installed on the frame 1 along the direction of approaching and moving away from the marking station, so that the two carrier assemblies can move alternately toward the marking station, and one of the carrier assemblies can also move in the vertical direction to move downward to avoid the other carrier assembly when the two carrier assemblies move relatively, and the carrier assembly is used for placing workpieces; the marker 4 is arranged on the frame 1 and is located above the marking station, and the marker 4 is used to mark the workpiece.

[0048] The laser marking machine provided by the utility model comprises a frame 1 provided with a marking station; the two carrier assemblies are movably mounted on the frame 1 in the direction of approaching and moving away from the marking station, so that the two carrier assemblies can move alternately toward the marking station, and one of the carrier assemblies can also move in the vertical direction to move downward to avoid the other carrier assembly when the two carrier assemblies move relatively, the carrier assembly is used for placing workpieces, the marker 4 is arranged on the frame 1, and is located above the marking station, and when in use, The workpiece is placed on one of the carrier components, and the carrier component is driven to move to the marking station for marking. During the marking process, the next workpiece can be placed on the other carrier component. After the marking of the previous workpiece is completed, the two carrier components are driven to move alternately, and the unmarked workpiece is moved to the marking station for marking. Similarly, during the marking process, the marked workpiece can be removed and a new workpiece to be marked can be placed. This arrangement can make full use of the marking time to load and unload the workpiece, speed up the production rhythm, and improve the marking efficiency.

[0049] For further information, see Figure 1 A workbench 11 is provided on the upper side of the frame 1 , the loading assembly and the marker 4 are both located on the workbench 11 , the marker 4 is located above the workbench 11 , and accordingly, the marking station is also formed on the workbench 11 .

[0050] Furthermore, the movement of the object-carrying assembly is not limited, see Figure 1 and Figure 3 In this embodiment, the laser marking machine further includes a mounting seat 5, which is disposed on the frame 1, and the two carrier assemblies are both slidably mounted on the mounting seat 5 along the left-right direction. Specifically, the mounting seat 5 is disposed on the workbench 11, and the mounting seat 5 is extended along the left-right direction, and the left part of the mounting seat 5 is located at the marking station, so that the carrier assembly can slide to the marking station and slide out of the marking station.

[0051] For further information, see Figure 3 to Figure 4 The mounting seat 5 is provided with a first slide groove 51 and a second slide groove 52 spaced apart from top to bottom; the two carrier components include a first carrier component 2 and a second carrier component 3, the first carrier component 2 is slidably installed in the first slide groove 51, and the second carrier component 3 is slidably installed in the second slide groove 52, wherein the second carrier component 3 has a platform movably arranged in the vertical direction, so that the platform can be flush with the first carrier component 2 at the marking station, and when the two carrier components move relatively, the platform moves vertically downward to avoid the first carrier component 2, and the platform is used for placing workpieces.

[0052] Specifically, the mounting seat 5 includes two seat bodies, and the two seat bodies are arranged at intervals along the front-to-back direction, and the two seat bodies are fixedly connected by a connecting piece 63. An activity space is enclosed between the two seat bodies, and each of the seat bodies is provided with the first slide groove 51 and the second slide groove 52 facing the activity space. The first carrier component 2 and the second carrier component 3 are both located in the activity space, and the front and rear ends of the first carrier component 2 are slidably installed in the two first slide grooves 51, and the front and rear ends of the second carrier component 3 are slidably installed in the second slide grooves 52. Since the distance between the marker 4 and the workpiece needs to be constant during marking, and the two carrier components also need to avoid each other when they move relative to each other, the first slide groove 51 and the second slide groove 52 are arranged from top to bottom at intervals to provide avoidance space for the two carrier components when they move relative to each other, and the loading platform can move in the vertical direction. During specific use, in the initial state, the first carrier component 2 is located at the marking station, and the loading platform is flush with the first carrier component 2, which is convenient for taking the workpiece. After the marking of the workpiece on the first carrier component 2 is completed, the two carrier components are driven to move relative to each other. At this time, the loading platform moves downward to avoid the first carrier component 2. After the two carrier components are alternated, the loading platform moves vertically upward again until it is flush with the first carrier component 2. At this time, the loading platform is in the marking station, which ensures that the distance between the marker 4 and the workpiece is constant.

[0053] Furthermore, the two loading assemblies can be driven separately or simultaneously, see Figures 3 to 5 In this embodiment, the laser marking machine further comprises a linkage assembly 6, which connects the two carrier assemblies so that the two carrier assemblies slide synchronously and alternately. With such a configuration, the two carrier assemblies have high synchronization, and the movement of the two carrier assemblies can be completed by driving any one of them.

[0054] For further information, see Figure 6 to Figure 7The linkage assembly 6 includes two synchronous pulleys 61, a synchronous belt 62 and two connecting members 63. The two synchronous pulleys 61 are located at the left and right ends of the mounting seat 5, and each of the synchronous pulleys 61 is rotatably arranged along the front-back axis. The two synchronous pulleys 61 are located between the two carrier assemblies; the synchronous belt 62 is installed on the two synchronous pulleys 61, and the synchronous belt 62 has an upper side belt 621 and a lower side belt 622 arranged at intervals from top to bottom; one of the connecting members 63 connects the upper side belt 621 and the first carrier assembly 2 to drive the first carrier assembly 2 to move through the upper side belt 621, and the other connecting member 63 connects the lower side belt 622 and the second carrier assembly 3 to drive the second carrier assembly 3 to move through the lower side belt 622. One of the connecting parts 63 can fix the upper side belt 621 to the first carrier component 2, and the other connecting part 63 can fix the lower side belt 622 to the second carrier component 3. When the synchronous pulley 61 rotates, the movement directions of the upper side belt 621 and the lower side belt 622 are set in opposite directions, so that the movement directions of the two carrier components are opposite, thereby realizing the alternating movement of the two carrier components.

[0055] Specifically, the two synchronous pulleys 61 are both located in the activity space and are both installed on one side of the same seat body.

[0056] Further, in order to realize the vertical movement of the stage, see Figures 6 to 8 In this embodiment, the mounting seat 5 is provided with a guide groove 53 extending in the left and right directions, and the middle part of the guide groove 53 is bent downward and extended; the second loading assembly 3 includes a sliding plate 31, a lifting plate 32 and a guide member 33, and the sliding plate 31 is slidably installed in the second sliding groove 52; the lifting plate 32 is slidably installed on the upper side of the sliding plate 31 along the vertical direction, and the lifting plate 32 constitutes the loading platform; the guide member 33 is provided on the lifting plate 32, and the guide member 33 cooperates with the guide groove 53 to drive the lifting plate 32 to move vertically. Specifically, the guide groove 53 includes a first section, a first connecting section, a second section, a second connecting section and a third section which are connected in sequence from left to right, wherein the first section and the third section are arranged flush, the first section and the second section are arranged at intervals from top to bottom, the first connecting section is arranged to be gradually inclined downward from left to right, the first connecting section is used to connect the first section and the second section, the second connecting section is arranged to be gradually inclined upward from left to right, the second connecting section is used to connect the second section and the third section, and the first section is located at the marking station. With such an arrangement, when the guide member 33 moves in the guide groove 53, it can drive the lifting plate 32 to realize a motion trajectory of first moving downward and then upward, thereby realizing the avoidance of the two loading components.

[0057] Furthermore, the sliding plate 31 is provided with a plurality of through holes, and the lifting plate 32 is provided with a plurality of sliding columns extending vertically downward, the plurality of sliding columns correspond one-to-one to the plurality of through holes, and each of the sliding columns is slidably installed in the through hole, so that the lifting plate 32 can move in the vertical direction relative to the sliding plate 31.

[0058] Furthermore, the guide member 33 includes a connecting plate 331 and a roller 332. The connecting plate 331 extends vertically downward, and the upper end of the connecting plate 331 is fixedly connected to the lifting plate 32. The roller 332 is rotatably mounted on the lower end of the connecting plate 331. The roller 332 is located in the guide groove 53 and rolls with the side wall of the guide groove 53. This arrangement can reduce the friction between the guide member 33 and the guide groove 53, and reduce the wear of the guide member 33 and the guide groove 53.

[0059] For further information, see Figure 1 , Figure 3 and Figure 5 The laser marking machine is also provided with a locking assembly 7, which is provided on the frame 1 and located at the marking station, and is used to fix the object-carrying assembly located at the marking station. With such a configuration, the two object-carrying assemblies can be moved to the position of the marking station and fixed, thereby improving the marking accuracy.

[0060] Furthermore, the locking assembly 7 includes a magnetic part 71 and two adsorption parts 72, the magnetic part 71 is arranged on one side of the marking station; the two adsorption parts 72 are respectively arranged on the two carrier components, so that when one of the carrier components moves to the marking station, the adsorption part 72 corresponding to the carrier component is magnetically matched with the magnetic part 71.

[0061] For further information, see Figure 1 to Figure 2 The marker 4 includes a laser marking head 41 and a height adjustment component 42. The laser marking head 41 is movably mounted on the frame 1 in the vertical direction, so that the position of the laser marking head 41 in the vertical direction is adjustable. The laser marking head 41 is used to mark the workpiece; the height adjustment component 42 is arranged on the frame 1, and the height adjustment component 42 is transmission-connected with the laser marking head 41 to drive the laser marking head 41 to move. The height of the laser marking head 41 can be adjusted by the height adjustment component 42, so that workpieces of different sizes can be marked, thereby improving the versatility of the device.

[0062] Furthermore, the upper sides of the first loading assembly 2 and the lifting plate 32 are both provided with grooves, and the grooves are used for placing the workpiece and fixing the workpiece.

[0063] Furthermore, in order to facilitate the movement of the object-carrying assembly, the laser marking machine further includes a handle 8, and the handle 8 is installed on one of the two object-carrying assemblies.

[0064] In the description of this application, it should be noted that when there are directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0065] It should be noted that, in the present application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of more restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes, taking "A and / or B" as an example, including scheme A or scheme B or schemes that A and B meet simultaneously. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0066] The above is only a preferred specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be covered by the protection scope of the present invention.

Claims

1. A laser marking machine, characterized in that: It includes: The machine frame is equipped with a marking station; Two carrier assemblies, both of which are movably mounted on the frame in directions approaching and moving away from the marking station, so that the two carrier assemblies can alternately move toward the marking station, one of which is also movable in a vertical direction to move downward to avoid the other carrier assembly when the two carrier assemblies move relative to each other, and the carrier assemblies are used for placing workpieces; and The marker is arranged on the frame and located above the marking station, and is used for marking the workpiece.

2. The laser marking machine according to claim 1, characterized in that: The laser marking machine also includes a mounting seat, which is arranged on the frame, and the two object-carrying components are both slidably mounted on the mounting seat along the left-right direction.

3. The laser marking machine according to claim 2, characterized in that: The mounting seat is provided with a first slide groove and a second slide groove spaced apart from top to bottom; The two carrier components include a first carrier component and a second carrier component, the first carrier component is slidably installed in the first slide groove, and the second carrier component is slidably installed in the second slide groove, wherein the second carrier component has a carrier table movably arranged in the vertical direction, so that the carrier table can be flush with the first carrier component at the marking station, when the two carrier components move relatively, the carrier table moves vertically downward to avoid the first carrier component, and the carrier table is used for placing workpieces.

4. The laser marking machine according to claim 3, characterized in that: The laser marking machine further comprises a linkage assembly, which connects the two object-carrying assemblies so that the two object-carrying assemblies slide synchronously and alternately.

5. The laser marking machine according to claim 4, characterized in that: The linkage components include: Two synchronous belt pulleys, the two synchronous belt pulleys are located at the left and right ends of the mounting seat, and each of the synchronous belt pulleys is arranged to rotate along the front-back axis, and the two synchronous belt pulleys are located between the two object-carrying components; a synchronous belt, mounted on the two synchronous pulleys, the synchronous belt having an upper side belt and a lower side belt spaced from top to bottom; and Two connecting parts, one of which connects the upper sideband and the first carrier assembly to drive the first carrier assembly to move through the upper sideband, and the other connecting part connects the lower sideband and the second carrier assembly to drive the second carrier assembly to move through the lower sideband.

6. The laser marking machine according to claim 3, characterized in that: The mounting seat is provided with a guide groove extending in the left-right direction, and the middle part of the guide groove is bent and extended downward; The second carrier assembly comprises: A sliding plate, slidably mounted on the second sliding groove; a lifting plate, slidably mounted on the upper side of the sliding plate in a vertical direction, the lifting plate constituting the loading platform; and A guide member is arranged on the lifting plate, and the guide member cooperates with the guide groove to drive the lifting plate to move vertically.

7. The laser marking machine according to claim 6, characterized in that: The guide member comprises: A connecting member, the connecting member extending vertically downward, the upper end of the connecting member being fixedly connected to the lifting plate; and A roller is rotatably mounted on the lower end of the connecting member. The roller is located in the guide groove and rollingly cooperates with the side wall of the guide groove.

8. The laser marking machine according to claim 1, characterized in that: The laser marking machine is also provided with a locking assembly, which is arranged on the frame and located at the marking station, and is used to fix the object-carrying assembly located at the marking station.

9. The laser marking machine according to claim 8, characterized in that: The locking assembly comprises: A magnetic member, the magnetic member being disposed on one side of the marking station; and Two adsorption parts are respectively arranged on the two carrier components, so that when one of the carrier components moves to the marking station, the adsorption parts corresponding to the carrier component are magnetically matched with the magnetic part.

10. The laser marking machine according to claim 1, characterized in that: The marking device comprises: a laser marking head, movably mounted on the frame in a vertical direction so that the position of the laser marking head in the vertical direction is adjustable, and the laser marking head is used to mark the workpiece; and A height adjustment component is arranged on the frame and is transmission-connected to the laser marking head to drive the laser marking head to move.

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