Double-sided laser marking device and marking machine
Automatic double-sided marking is achieved by using a rotary cylinder and a vision recognition module in a double-sided laser marking device. This solves the problem of low marking efficiency in existing technologies, improves marking efficiency, and facilitates equipment maintenance.
Patent Information
- Application Number
- CN202422919791.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Most existing laser marking technologies rely on manual adjustment of the marking surface, resulting in low marking efficiency.
A double-sided laser marking device is adopted. By installing a rotary cylinder and a vision recognition module, automatic marking of different sides of the product can be achieved. The controller controls the laser head to mark related information on the other side of the product.
It improves marking efficiency and allows for easy replacement of light sources and cameras in case of malfunction, increasing the convenience of the equipment.
Smart Images

Figure CN223518876U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to laser marking technical field, especially a double -sided laser marking device and marking machine. BACKGROUND
[0002] Laser marking is a kind of marking method that high-energy density laser is used to irradiate workpiece locally, and the surface layer material is vaporized or color change chemical reaction occurs, thereby leaving permanent mark. Most of the existing laser marking technology is to adjust the marking surface manually, which reduces the marking efficiency. UTILITY MODEL CONTENT
[0003] In view of the deficiencies in the prior art, the utility model provides a double -sided laser marking device, the automatic marking of different product surfaces is realized by installing rotary cylinder, and the marking efficiency is improved.
[0004] To achieve the above object, the utility model provides a double -sided laser marking device for marking machine, and the marking machine includes laser head, and the double -sided laser marking device includes: flat plate, base, rotary cylinder, positioning device, visual identification module and controller, wherein: the base is fixed on the flat plate, the rotary cylinder and the positioning device are sequentially installed on the base, and the product to be marked is placed on the positioning device;The visual identification module is installed on one side of the flat plate, and the other side corresponds to the laser head;The controller is electrically connected to the rotary cylinder, the visual identification module and the laser head.
[0005] The visual identification module includes light source and camera, the light source is directly opposite the product to be marked, and the camera is arranged on the back of the light source.
[0006] The light source and the camera are fixed on one side of the flat plate through detachable fixing device, and the fixing device includes first clamping piece, connecting shaft, second clamping piece and third clamping piece, wherein: one end of the first clamping piece is fixed on the flat plate, and the other end clamps the horizontally placed connecting shaft;One end of the second clamping piece and the third clamping piece is sequentially clamped vertically on the connecting shaft;The light source and the camera are respectively fixed on the other end of the second clamping piece and the third clamping piece.
[0007] The other end of the first clamping piece is provided with a first opening hole, one end of the connecting shaft penetrates into the first opening hole and is clamped on the first clamping piece through the first detachable fixing piece;One end of the second clamping piece is provided with a first notch, and the second detachable fixing piece is clamped on the connecting shaft;One end of the third clamping piece is provided with a second notch, and the third detachable fixing piece is clamped on the connecting shaft.
[0008] The other end of the second clamping piece is a ring structure, the light source is fixed on the side of the ring structure close to the product to be marked, and the other side of the ring structure corresponds to the probe of the camera.
[0009] The other end of the third clamping piece is provided with a platform, and the camera is fixed on the platform.
[0010] The controller is electrically connected with the electromagnetic valve and the indicator light, and the electromagnetic valve is electrically connected with the rotary cylinder.
[0011] The positioning device is a hollow structure with an open upper end and a closed lower end.
[0012] Ears are arranged on both sides of the bottom end of the positioning device, and the positioning device is connected with the rotary cylinder through a third detachable fixing piece.
[0013] The rotary cylinder is a rack and pinion type rotary cylinder.
[0014] A sensor is arranged on the rotary cylinder and used for determining whether the rotary cylinder is in place, and the sensor is connected with the controller.
[0015] In addition, the utility model provides a marking machine which is installed with the double-sided laser marking device.
[0016] The marking machine comprises a laser control module which is electrically connected with the controller.
[0017] The marking machine further comprises a starting module which is electrically connected with the laser control module.
[0018] According to the above scheme, the utility model has the advantages that:
[0019] The rotary cylinder and the controller are arranged, so that double-sided automatic marking is realized, and after the visual identification module identifies the mark on one side of the product to be marked, the controller controls the laser head to mark the associated information on the other side of the product to be marked.
[0020] The light source and the camera are arranged on one side of the flat plate through the detachable fixing device, and can be replaced at any time when a fault occurs. DRAWINGS
[0021] Figure 1 It is an electrical connection diagram of the double-sided laser marking device.
[0022] Figure 2 It is a structural schematic view of other parts of the double-sided laser marking device except the controller.
[0023] Figure 3 It is a connection structure view of the controller, the electromagnetic valve and the indicator light.
[0024] Figure 4 Another electrical connection diagram of the double-sided laser marking device of the utility model;
[0025] Figure 5 Electrical connection diagram of the marking machine of the utility model;
[0026] Figure 6 Structure of the marking machine of the utility model;
[0027] Among them, the reference signs:
[0028] 1-double-sided laser marking device;
[0029] 10-flat plate;
[0030] 11-base;
[0031] 12-rotary air cylinder;
[0032] 13-solenoid valve;
[0033] 14-positioning device;
[0034] 140-lug;
[0035] 141-ear-shaped part;
[0036] 1410-first fixing hole;
[0037] 15-visual recognition module;
[0038] 150-light source;
[0039] 151-camera;
[0040] 17-controller;
[0041] 170-power supply;
[0042] 18-fixing device;
[0043] 180-first clamping piece;
[0044] 1800-first opening;
[0045] 1801-first detachable fixing piece;
[0046] 181-connecting shaft;
[0047] 182-second clamping piece;
[0048] 1820-first notch;
[0049] 1821-second detachable fixing piece;
[0050] 1822 - Ring structure;
[0051] 183 - Third clamping component;
[0052] 1830 - Second Gap;
[0053] 1831 - Third detachable fastener;
[0054] 1832-Platform;
[0055] 1833 - Third fixing hole;
[0056] 19 - Indicator light;
[0057] 2-Products to be labeled;
[0058] 3-Marking machine;
[0059] 30-Laser head;
[0060] 31-Laser control module;
[0061] 32-Startup module.
[0062] 33-Computer;
[0063] 4-Gas source. Detailed Implementation
[0064] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments to further understand the purpose, solution and effect of this utility model, but it is not intended to limit the scope of protection of the appended claims of this utility model.
[0065] References to "embodiment," "another embodiment," "this embodiment," etc., in the specification refer to embodiments that may include specific features, structures, or characteristics, but not every embodiment must include these specific features, structures, or characteristics. Furthermore, such expressions do not refer to the same embodiment. Moreover, when describing specific features, structures, or characteristics in conjunction with embodiments, whether or not explicitly described, it is indicated that incorporating such features, structures, or characteristics into other embodiments is within the knowledge of those skilled in the art.
[0066] The specification and subsequent claims use certain terms to refer to specific components or parts. Those skilled in the art will understand that users or manufacturers may use different names or terms to refer to the same component or part. This specification and claims do not distinguish components or parts by differences in name, but rather by differences in function. The terms "comprising" and "including" used throughout the specification and claims are open-ended and should be interpreted as "including but not limited to". Furthermore, the term "connection" here includes any direct and indirect electrical connection means. Indirect electrical connection means include connections via other means.
[0067] It should be noted that in the description of this utility model, the terms "horizontal", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicating the orientation or positional relationship or parameters, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, a specific size, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0068] Please refer to Figures 1 to 4 As shown, Figure 1 An electrical connection diagram of a double-sided laser marking device 1 provided for an embodiment of this utility model. Figure 2 This is a structural diagram of the double-sided laser marking device 1, excluding the controller. Figure 3 This is a diagram showing the connection structure between the controller, solenoid valve, and indicator lights. Figure 4 Another electrical connection diagram of a double-sided laser marking device 1 provided for an embodiment of this utility model.
[0069] The double-sided laser marking device 1 is used in conjunction with a marking machine, such as a marking machine 3, which includes a laser head 30. The double-sided laser marking device 1 includes: a flat plate 10, a base 11, a rotary cylinder 12, a positioning device 14, a vision recognition module 15, and a controller 17. The base 11 is fixed to the flat plate 10, and the rotary cylinder 12 and the positioning device 14 are sequentially mounted on the base 11. The product to be marked 2, such as a carburetor valve body, is placed on the positioning device 14. The vision recognition module 15 is mounted on one side of the flat plate 10 for visual recognition, and the other side corresponds to the laser head 30. The controller 17 is electrically connected to the rotary cylinder 12, the vision recognition module 15, and the laser head 30. In an example, the rotary cylinder 12 is a rack and pinion rotary cylinder.
[0070] In some embodiments, the visual recognition module 15 comprises a light source 150 and a camera 151, the light source 150 is opposite to the product 2 to be marked, and the camera 151 is arranged on the back of the light source 150.
[0071] Specifically, when starting to mark, the laser head 30 first marks one side of the product 2 to be marked, after the marking of this side is completed, the controller 17 controls the rotary cylinder 12 to rotate, thereby driving the product 2 to be marked on the positioning device 14 to rotate, the camera 151 of the visual recognition module 15 performs visual recognition on the side just marked, judges whether the marking is qualified, and outputs the marking content to the controller 17, the controller 17 controls the laser head 30 to mark the information associated with the marking content on the other side of the product 2 to be marked, after the marking of both sides is completed, the controller 17 controls the rotary cylinder 12 to reset, and the camera 151 of the visual recognition module 15 also performs visual recognition on the side just marked to judge whether the marking is qualified. For example, one side of the product 2 to be marked is marked with a two-dimensional code, and the other side is marked with content associated with the two-dimensional code.
[0072] In some embodiments, the light source 150 and the camera 151 are fixed on one side of the flat plate 10 through a detachable fixing device 18. The fixing device 18 comprises a first clamping piece 180, a connecting shaft 181, a second clamping piece 182, and a third clamping piece 183. One end of the first clamping piece 180 is fixed on the flat plate 10, and the other end clamps the horizontally placed connecting shaft 181. One end of the second clamping piece 182 and the third clamping piece 183 are clamped on the connecting shaft 181 in turn. The light source 150 and the camera 151 are fixed on the other end of the second clamping piece 182 and the third clamping piece 183 respectively. In order to improve stability, the fixing device 18 is made of hard material, such as steel. The thickness of the third clamping piece 183 is greater than that of the second clamping piece 182, thereby improving the stability of the camera 151.
[0073] Specifically, the other end of the first clamping piece 180 is provided with a first opening 1800, and one end of the connecting shaft 181 is inserted into the first opening 1800 and clamped on the first clamping piece 180 through a first detachable fixing piece 1801. One end of the second clamping piece 182 is provided with a first notch 1820, and is clamped on the connecting shaft 181 through a second detachable fixing piece 1821. One end of the third clamping piece 183 is provided with a second notch 1830, and is clamped on the connecting shaft 181 through a third detachable fixing piece 1831. Preferably, the first notch 1820 is a U-shaped notch, and the second notch is a round hole type notch. The first detachable fixing piece 1801, the second detachable fixing piece 1821, and the third detachable fixing piece 1831 are all screws and nuts, and their diameters are the same or different, which can be adjusted according to actual conditions.
[0074] The other end of the second clamping member 182 is a ring structure 1822, the light source 150 is fixed on one side of the ring structure 1822 close to the product 2 to be marked, and the other side of the ring structure 1822 corresponds to the probe of the camera 151. Specifically, the light source 150 provides light for the product 2 to be marked, and the probe of the camera 151 takes a picture through the center of the ring structure 1822 and the center of the light source 150 to identify the marking information of the product 2 to be marked.
[0075] The other end of the third clamping member 183 is provided with a platform 1832, and the camera 151 is fixed on the platform 1832. Specifically, two third fixing holes 1833 are formed at the other end of the third clamping member 183, and the horizontally arranged platform 1832 is fixed by a fixing member such as a screw, and then the camera 151 is fixed on the platform 1832.
[0076] The distance between the second clamping member 182 and the third clamping member 183 can be adjusted according to the length of the probe of the camera 150.
[0077] In some embodiments, the positioning device 14 is a hollow structure with an open upper end and a closed lower end, and the upper end of the positioning device 14 is provided with three protrusions 140. After the carburetor valve body is placed in the positioning device 14, the three protrusions 140 are used for three-point positioning.
[0078] In some embodiments, the positioning device 14 is a hollow structure with an open upper end and a closed lower end, and the upper end of the positioning device 14 is provided with three protrusions 140. After the carburetor valve body is placed in the positioning device 14, the three protrusions 140 are used for three-point positioning.
[0079] In some embodiments, a sensor (not shown in the figure) is arranged on the rotary air cylinder 12, and the sensor is connected to the controller 17 to determine whether the rotary air cylinder 12 is in place and to transmit the detection result to the controller 17.
[0080] The controller 17 is connected with the electromagnetic valve 13 and the indicator lamp 19, the electromagnetic valve 13 and the indicator lamp 19 are in parallel, the input end of the electromagnetic valve 13 is connected with the air source 4, and the output end is connected with the rotary air cylinder 12. Specifically, compressed air is delivered to the electromagnetic valve 13 from the air source 4 through a pipeline, the controller 17 sends current to the coil of the electromagnetic valve 13 according to a preset program or an input signal, the coil of the electromagnetic valve 13 is electrified, the valve core moves, the air passage is opened, and the compressed air flows to the rotary air cylinder 12; when the electromagnetic valve 13 is electrified, the indicator lamp 19 connected with the electromagnetic valve 13 in parallel is also lit, indicating that the double-sided laser marking device 1 is working, the compressed air enters the rotary air cylinder 12, pushes the rotary air cylinder 12 to rotate, and drives the positioning device 14 to rotate; when the controller 17 stops sending signals to the electromagnetic valve 13, the electromagnetic valve 13 closes the air passage, the rotary air cylinder 12 stops working or reversely rotates, and the indicator lamp 19 is extinguished.
[0081] Please refer to Figure 5 and Figure 6 , which are respectively an electrical connection diagram and a structural diagram of a marking machine 3 provided by another embodiment of the utility model. The marking machine 3 comprises a laser head 30, a laser control module 31, a starting module 32 and the above-mentioned double-sided laser marking device 1.
[0082] The laser control module 31 is connected with the controller 17 through a host computer, for example, a computer 33, the controller 17 is for example an input-output controller, and is provided with a power supply 170, which simultaneously supplies power to the visual identification module 15 and the computer 33. The starting module 32 is connected with the laser control module 31, and the starting module 32 is for example a starting switch, which can be started by external hardware or software.
[0083] Specifically, when starting marking, the starting switch is pressed, the laser control module 31 controls the controller 17 to start working through the computer 33, the rotary air cylinder 12 rotates to a corresponding position, the laser head 30 first marks one side of the product 2 to be marked, after the marking of this side is completed, the controller 17 controls the rotary air cylinder 12 to rotate, drives the product 2 to be marked on the positioning device 14 to rotate, the camera 151 of the visual identification module 15 visually identifies the side just marked, judges whether the marking is qualified and simultaneously outputs the marking content to the controller 17, the controller 17 controls the laser head 30 to mark the information associated with the marking content on the other side of the product 2 to be marked, after the marking of both sides is completed, the controller 17 controls the rotary air cylinder 12 to reset, and the camera 151 of the visual identification module 15 also visually identifies the side just marked, judges whether the marking is qualified. Exemplarily, one side of the product 2 to be marked is marked with a two-dimensional code, and the other side is marked with content associated with the two-dimensional code.
[0084] In another embodiment, the double-sided laser marking device 1 can also be matched with an inkjet machine (not shown in the figure) to perform two-sided inkjet printing.
[0085] In summary, the utility model discloses through setting rotary cylinder and controller, realized double -sided automatic marking, and the visual identification module is used to the identification of the product one side of the product to be marked after marking, and the other side of the product to be marked is marked through the controller control laser head associated information, improve work efficiency. In addition, the utility model discloses light source and camera are installed in the one side of flat plate through detachable fixing device, when the fault occurs, can replace in time, increase convenience.
[0086] The embodiment of the utility model is described above in combination with the drawings, but the utility model is not limited to the specific implementation described above, and the specific implementation described above is only illustrative, but not restrictive, and the ordinary skilled in the art can make many forms without departing from the purpose of the utility model and the scope protected by the claims under the inspiration of the utility model, which all belong to the protection scope of the utility model.
Claims
1. A double-sided laser marking device for a marking machine, the marking machine comprising a laser head, characterized in that, The double-sided laser marking device comprises a flat plate, a base, a rotating cylinder, a positioning device, a visual identification module and a controller, wherein: The base is fixed on the flat plate, and the rotating cylinder and the positioning device are sequentially installed on the base, and the positioning device places the product to be marked; The visual identification module is installed on one side of the flat plate, and the other side corresponds to the laser head; The controller is electrically connected to the rotating cylinder, the visual identification module and the laser head.
2. The dual-sided laser marking device of claim 1, wherein, The visual identification module comprises a light source and a camera, and the light source is opposite to the product to be marked, and the camera is arranged on the back of the light source.
3. The dual-sided laser marking device of claim 2, wherein, The light source and the camera are fixed on one side of the flat plate through a detachable fixing device, and the fixing device comprises a first clamping piece, a connecting shaft, a second clamping piece and a third clamping piece, wherein: One end of the first clamping piece is fixed on the flat plate, and the other end clamps the horizontally placed connecting shaft; One end of the second clamping piece and the third clamping piece is sequentially clamped vertically on the connecting shaft; The light source and the camera are respectively fixed on the other end of the second clamping piece and the third clamping piece.
4. The dual-sided laser marking device of claim 3, wherein, A first opening is formed in the other end of the first clamping piece, and one end of the connecting shaft penetrates into the first opening and is clamped on the first clamping piece through a first detachable fixing piece; A first notch is formed in one end of the second clamping piece, and the second detachable fixing piece is clamped on the connecting shaft; A second notch is formed in one end of the third clamping piece, and the third detachable fixing piece is clamped on the connecting shaft.
5. The dual-sided laser marking device of claim 3, wherein, The other end of the second clamping piece is a ring structure, the light source is fixed on one side of the ring structure close to the product to be marked, and the other side of the ring structure corresponds to the probe of the camera.
6. The dual-sided laser marking device of claim 3, wherein, The other end of the third clamping piece is provided with a platform, and the camera is fixed on the platform.
7. The double-sided laser marking device according to any one of claims 1 to 6, characterized in that The controller is electrically connected to the electromagnetic valve and the indicator light, and the electromagnetic valve is electrically connected to the rotating cylinder.
8. A marking machine characterized in that, The double-sided laser marking device as claimed in any one of claims 1 to 7 is installed.
9. The marking machine of claim 8, wherein, A laser control module is included, and the laser control module is electrically connected to the controller.
10. The marking machine of claim 9, wherein, A starting module is also included and is electrically connected to the laser control module.