Width-adjustable laser marking device

Abstract

The utility model discloses a width-adjustable laser marking device which comprises a material conveying belt, a laser marking module and an adjustable material groove, the adjustable material groove comprises a rear plate, a left side plate, a right side plate and a front vertical plate, and the rear plate is provided with a width adjusting groove extending in the width direction. The end of the left side plate and the end of the right side plate are slidably connected with the width adjusting groove through first sliding blocks correspondingly, so that the distance between the left side plate and the right side plate is adjustable. Length adjusting grooves extending in the length direction are formed in the end, close to the front vertical plate, of the left side plate and the end, close to the front vertical plate, of the right side plate, and the two ends of the front vertical plate are slidably connected with the length adjusting grooves through second sliding blocks correspondingly, so that the distance between the front vertical plate and the rear plate is adjustable. Therefore, the length and the width of the adjustable material groove can be adjusted according to the size of the marked material, so that the laser marking device can be suitable for materials with different sizes.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser marking, in particular to a width-adjustable laser marking device. BACKGROUND

[0002] A laser marking machine is a device that uses a laser beam to mark a permanent mark on the surface of various materials. Laser marking machines are mainly divided into CO2 laser marking machines, semiconductor laser marking machines, fiber laser marking machines and YAG laser marking machines. Laser marking machines are mainly used for marking workpieces such as automobile parts, electrical appliances, mobile phones, hardware products and tool accessories, and have the advantages of permanent marking, high precision processing, traceability and anti-counterfeiting.

[0003] In the prior art, most laser marking machines do not have an automatic feeding device, and the marking materials need to be manually taken and placed, so the dependence on manual work is high, and the marking efficiency is not high. Although some laser marking machines are equipped with an automatic feeding device, it is only suitable for conveying materials of a specific size, and has poor adaptability to marking of materials of different sizes, and it is difficult to meet the upgrading needs of different users of traditional laser marking machines. For example, in the utility model patent with the publication number CN 222199308 U and the name of “A material conveying mechanism suitable for a laser marking machine”, a fixed-width conveying belt is used to convey marking materials, which is only suitable for specific materials. Therefore, how to improve the applicability of laser marking machines to materials of different sizes is a technical problem to be solved by those skilled in the art. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, the present application provides a width-adjustable laser marking device to solve the technical problem of low applicability of the above laser marking device to materials of different sizes.

[0005] To achieve the above purpose, the present application provides a width-adjustable laser marking device, which comprises:

[0006] The material conveying belt is horizontally arranged on the rack and is used for conveying the marking materials; the laser marking module is arranged above the material conveying belt and is used for laser marking of the materials; the adjustable material groove is arranged at the feeding end of the material conveying belt and is used for pushing the materials onto the material conveying belt; the adjustable material groove comprises a rear plate, a left side plate, a right side plate and a front vertical plate; the left side plate and the right side plate are oppositely arranged along the width direction, and the rear plate and the front vertical plate are oppositely arranged along the length direction; the rear plate is provided with a width adjusting groove extending along the width direction, and the ends of the left side plate and the right side plate are respectively slidably connected with the width adjusting groove through first sliding blocks, so that the distance between the left side plate and the right side plate is adjustable; one end of the left side plate close to the front vertical plate and one end of the right side plate close to the front vertical plate are provided with length adjusting grooves extending along the length direction, and the two ends of the front vertical plate are respectively slidably connected with the length adjusting grooves through second sliding blocks, so that the distance between the front vertical plate and the rear plate is adjustable.

[0007] Further, the rear plate is an L-shaped plate comprising a horizontally arranged bottom plate and a rear vertical plate opposite to the front vertical plate; the width adjusting groove is arranged on the bottom plate and the rear vertical plate; the left side plate and the right side plate are both provided with two length adjusting grooves in the height direction.

[0008] Further, the front vertical plate is composed of two sub-plates distributed along the width direction, and each of the opposite ends of the two sub-plates is provided with two or more rectangular protruding parts and grooves matched with the protruding parts.

[0009] Further, the upper surface of the material conveying belt is provided with material limiting strips on both sides along the width direction, and the outer sides of the material limiting strips are respectively provided with adjusting mechanisms to adjust the distance between the two material limiting strips.

[0010] Further, the material limiting strip is an L-shaped limiting strip, and the adjusting mechanism is provided with two or more adjusting mechanisms along the length direction, and the adjusting mechanism is a bolt adjusting mechanism or a screw rod adjusting mechanism.

[0011] Further, the laser marking module comprises a marking scanning galvanometer and a laser; the marking scanning galvanometer is installed on the front side of the mounting rod, and the laser is arranged on the rear side of the mounting rod.

[0012] Further, a visual detection device is arranged behind the laser marking module, a first material collecting groove is arranged at the discharging end of the material conveying belt for collecting qualified marking materials, and a second material collecting groove is arranged on the side of the material conveying belt for collecting unqualified marking materials.

[0013] Further, the sorting device is arranged on the upper surface of the material conveying belt opposite to the second collecting groove, and is used for pushing the unqualified materials for marking into the second collecting groove.

[0014] Further, the material limiting strip is provided with an avoiding groove for allowing the unqualified materials for marking to enter the second collecting groove.

[0015] Further, the rear end of the adjustable material groove is provided with a pneumatic pushing device, which is used for pushing the materials in the adjustable material groove into the material conveying belt.

[0016] Different from the prior art, the above technical solution of the width-adjustable laser marking device comprises a material conveying belt, a laser marking module and an adjustable material groove, wherein the adjustable material groove comprises a rear plate, a left side plate, a right side plate and a front vertical plate, the rear plate is provided with a width adjustment groove extending in the width direction, the end of the left side plate and the end of the right side plate are respectively connected with the width adjustment groove through first sliding blocks, so that the distance between the left side plate and the right side plate is adjustable, and the end of the left side plate close to the front vertical plate and the end of the right side plate close to the front vertical plate are provided with length adjustment grooves extending in the length direction, and the two ends of the front vertical plate are respectively connected with the length adjustment grooves through second sliding blocks, so that the distance between the front vertical plate and the rear plate is adjustable. Therefore, the length and width of the adjustable material groove are adjusted according to the size of the materials for marking, so that the laser marking device can be applied to materials of different sizes.

[0017] The above content related to the utility model is only a summary of the technical solution of the present application, in order to enable those skilled in the art to more clearly understand the technical solution of the present application, and then can be implemented according to the content recorded in the specification and the drawings, and in order to make the above purpose and other purposes, characteristics and advantages of the present application more easily understood, the following is described in combination with the specific embodiments of the present application and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings are only used to show the principles, implementation manners, applications, characteristics and effects of the specific embodiments and other related contents of the present application, and cannot be considered as the limitation of the present application.

[0019] In the drawings of the specification:

[0020] Figure 1 The structure schematic view of the width-adjustable laser marking device described in the specific embodiments;

[0021] Figure 2 The structure schematic view of the adjustable material groove described in the specific embodiments;

[0022] Figure 3Another perspective view of the adjustable material tank according to the detailed description;

[0023] Figure 4 A structural schematic view of the adjusting mechanism according to the detailed description;

[0024] The reference signs involved in the above-mentioned figures are explained as follows:

[0025] 1, rack; 2, adjustable material tank; 3, material conveying belt; 31, material limiting strip;

[0026] 32, adjusting mechanism; 4, marking scanning galvanometer; 6, laser;

[0027] 8, visual detection device; 9, first material collecting tank; 10, second material collecting tank; 71, avoiding groove;

[0028] 11, display screen; 12, control host; 13, pneumatic pushing device; 21, back plate;

[0029] 22, left side plate; 23, right side plate; 24, front vertical plate; 241, first sub-plate;

[0030] 242, second sub-plate; 211, width adjusting groove; 221, length adjusting groove;

[0031] 231, length adjusting groove; 212, first sliding block; 222, second sliding block; 232, second sliding block.

[0032] 243, protruding part; 244, left clamping plate; 245, right clamping plate;

[0033] 321, fixed block; 322, screw rod; DETAILED DESCRIPTION

[0034] In order to describe possible application scenarios, technical principles, specific implementable schemes, and purposes and effects that can be achieved of the present application in detail, the following will be described in detail in combination with specific embodiments listed and with the aid of the accompanying drawings. The embodiments described in the present document are only used to more clearly illustrate the technical schemes of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0035] In the present document, the term “embodiment” means that the specific features, structures or characteristics described in combination with the embodiment can be included in at least one embodiment of the present application. The term “embodiment” appearing at various positions in the specification does not necessarily refer to the same embodiment, and does not particularly limit the independence or association between other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form a corresponding implementable technical scheme.

[0036] Unless otherwise defined, the meanings of technical terms used in the present application are the same as those commonly understood by one skilled in the art to which the present application belongs; the use of related terms herein is only for the purpose of describing specific embodiments of the present application, and is not intended to limit the present application.

[0037] In the description of the present application, the phrase "and / or" is a description of a logical relationship between objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases: A exists, B exists, and A and B exist at the same time. In addition, the character " / " herein generally represents that the associated objects before and after are a "or" logical relationship.

[0038] In the present application, phrases 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 any actual quantity, primary and secondary, or order relationship between the entities or operations.

[0039] In the present application, the phrases "include", "contain", "have" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion, and these expressions do not exclude the presence of other elements in the process, method or product including the described elements, so that the process, method or product including a series of elements can not only include those limited elements, but also include other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0040] In the present application, "greater than", "less than", "exceed" and the like are understood as not including the number, and "above", "below", "within" and the like are understood as including the number. In addition, in the description of the embodiments of the present application, the meaning of "multiple" is more than two (including two), and similar expressions related to "multiple" are also understood in this way, for example, "multiple groups", "multiple times" and the like, unless otherwise explicitly limited.

[0041] In the description of the embodiments of the present application, the spatial-related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or the drawings, and are only for the convenience of describing the specific embodiments of the present application or for the reader to understand, and are not intended to indicate or imply that the indicated device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0042] Unless otherwise clearly indicated or implied to the contrary by context, the word "fixing", "connected", "connecting", "set", "set-up" and like terms used in the description of the embodiments of the application herein are to be construed to be broad in nature. For example, "connected" can be fixed connection, detachable connection, or integrated; it can be mechanical connection, electrical connection, or communication connection; it can be direct connection, or indirect connection through an intermediate medium; it can be internal connection of two elements, or interaction relationship between two elements. Those skilled in the art of the application can understand the specific meaning of the above terms in the embodiments of the application according to the specific circumstances.

[0043] Please refer to Figures 1 to 4 The embodiment provides a width-adjustable laser marking device. The width of the material slot and the material conveying belt of the width-adjustable laser marking device can be adjusted, so that the laser marking device can be suitable for laser marking of materials of various sizes, thereby improving the applicability of the laser marking device.

[0044] As Figure 1 shown, in the embodiment, the width-adjustable laser marking device comprises a material conveying belt 3, an adjustable material slot 2, and a laser marking module. The laser marking module comprises a laser 6 and a marking scanning galvanometer 4. The adjustable material slot 2 is used to provide materials to be marked for the material conveying belt 3. The material conveying belt 3 is used to convey the materials to the lower side of the laser marking module. The laser marking module is used to mark the materials by laser.

[0045] The material conveying belt 3 is horizontally arranged on a rack 1. Two or more conveying rollers are arranged on the rack 1. The material conveying belt 3 is installed on the conveying rollers. The conveying rollers are driven to rotate by a driving motor, so as to drive the material conveying belt 3 to convey the materials to the laser marking module. The marked materials are conveyed by the material conveying belt 3 to a first material collecting slot 9 arranged at the tail end.

[0046] As Figure 1 shown, the laser marking module is arranged above the material conveying belt 3 and is used to mark the materials by laser. The laser marking module comprises the marking scanning galvanometer 4 and the laser 6. The laser 6 is arranged on a mounting rod. The marking scanning galvanometer 4 is also arranged on the same mounting rod. The laser 6 is located at the rear side of the marking scanning galvanometer 4. The marking scanning galvanometer 4 is used to control the movement track of the marking laser beam. The laser marking module further comprises a positioning camera. The positioning camera is used to position the materials on the material conveying belt 3, so as to facilitate the laser 6 to mark the materials accurately. The marking scanning galvanometer 4 is a conventional technical means of laser marking equipment in the art, which will not be described in detail here.

[0047] In the embodiment, the length and width of the adjustable material tank 2 can be adjusted. The adjustable material tank 2 is arranged at the feeding end of the material conveying belt 3 and is used to push the material onto the material conveying belt 3. The adjustable material tank 2 comprises a rear plate 21, a left side plate 22, a right side plate 23 and a front vertical plate 24. The left side plate 22 and the right side plate 23 are oppositely arranged along the width direction, and the rear plate 21 and the front vertical plate 24 are oppositely arranged along the length direction. As shown in Figure 1 The rear end of the adjustable material tank 2 is provided with a pneumatic pushing device 13, which is used to push the material in the adjustable material tank 2 into the material conveying belt 3. The pneumatic pushing device 13 can be a pneumatic pushing rod composed of a pneumatic cylinder and a pushing rod. The pushing rod is arranged at the end of the piston rod of the pneumatic cylinder and is driven by the pneumatic cylinder to extend and retract, so as to push the material from the adjustable material tank 2 into the material conveying belt 3.

[0048] The width-adjustable laser marking device further comprises a display screen 11 and a control host 12. The display screen 11 can be a touch display screen and can be used to display the operation interface of the control system, laser parameters, marking pattern editing, marking quality detection and comparison results, etc. The control host 12 is used to control the laser marking module and the material conveying belt 3.

[0049] As shown in Figure 2 and Figure 3 The rear plate 21 is provided with a width adjustment groove 211 extending along the width direction. The end of the left side plate 22 and the end of the right side plate 23 are respectively slidably connected to the width adjustment groove 211 through first sliding blocks 212, so that the distance between the left side plate 22 and the right side plate 23 is adjustable. The end of the left side plate close to the front vertical plate 24 and the end of the right side plate close to the front vertical plate 24 are respectively provided with length adjustment grooves 221 and 231 extending along the length direction. The two ends of the front vertical plate 24 are respectively slidably connected to the length adjustment grooves 231 through second sliding blocks 222 and 232, so that the distance between the front vertical plate 24 and the rear plate 21 is adjustable.

[0050] As shown in Figure 2 and Figure 3 In the embodiment, the rear plate 21 is an L-shaped plate which can be formed by bending a single metal plate. The L-shaped plate comprises a bottom plate arranged horizontally and a rear vertical plate opposite to the front vertical plate 24. The width adjustment groove 211 is arranged on the bottom plate and the rear vertical plate. The first sliding blocks 212 adapted to the width adjustment groove 211 are arranged on the rear end and the bottom of the left side plate 22 and the right side plate 23, so that the stability of the sliding adjustment of the left side plate 22 and the right side plate 23 can be improved.

[0051] And in order to improve the stability of the front vertical plate 24 sliding adjustment, the left side plate 22 and the right side plate 23 are provided with two length adjustment grooves 231 in the height direction. Specifically, the upper and lower parts of the left side plate 22 are respectively provided with two parallel length adjustment grooves 231, and the left side of the front vertical plate 24 is provided with a second sliding block 232 connected with the length adjustment grooves 231 in sliding connection; the upper and lower parts of the right side plate 23 are respectively provided with two parallel length adjustment grooves 231, and the right side of the front vertical plate 24 is provided with a second sliding block 232 connected with the length adjustment grooves 231 in sliding connection.

[0052] The first sliding block 212, the second sliding block 232 and the second sliding block 232 are all provided with locking nuts, and the relative position of the left side plate 22 and the right side plate 23 in width adjustment can be locked by tightening the locking nut on the first sliding block 212, and the position of the front vertical plate 24 in the length adjustment groove 231 can be locked by the upper locking nut of the second sliding block 232.

[0053] As shown in Figure 2 The front vertical plate 24 is composed of two sub-plates distributed in the width direction, and the opposite ends of the two sub-plates are provided with two or more rectangular protrusions and grooves matched with the protrusions. Among them, the sub-plate connected with the left side plate 22 is the first sub-plate 241, and the sub-plate connected with the right side plate 23 is the second sub-plate 242. The first sub-plate 241 is provided with a left clamping plate 244 near the left side plate 22, and the second sub-plate 242 is provided with a right clamping plate 245 near the right side plate 23. The first sub-plate 241 is inserted into the groove in the middle of the left clamping plate 244 and fixed by bolts, and similarly, the second sub-plate 242 is inserted into the groove in the middle of the right clamping plate 245 and fixed by bolts. The left clamping plate and the right clamping plate are provided with hinges, and under the pushing force of the pneumatic pushing device 13, the first sub-plate 241 and the second sub-plate 242 can rotate to open around the hinges, so that the material enters the material conveying belt 3.

[0054] As shown in Figure 2 The opposite ends of the first sub-plate and the second sub-plate are provided with two or more rectangular protrusions 243 and grooves matched with the protrusions. Among them, the protrusions 243 on the first sub-plate correspond to the grooves on the second sub-plate, and the protrusions on the second sub-plate correspond to the grooves on the first sub-plate. In this embodiment, the protrusions and grooves are provided at the opposite ends of the two sub-plates, which can avoid the material entering the material conveying belt 3 from the gap between the two sub-plates when the distance between the two sub-plates becomes larger.

[0055] As shown in Figure 1As shown, the upper surface of the material conveying belt 3 is provided with material limiting strips 31 on both sides in the width direction, and the outer sides of the material limiting strips 31 are provided with adjusting mechanisms 32 for adjusting the distance between the two material limiting strips 31. The material limiting strips 31 extend along the length direction of the material conveying belt 3. In this embodiment, the width of the material conveying belt 3 available for conveying materials can be adjusted by the material limiting strips 31, and the materials are conveyed between the two material limiting strips 31, and the distance between the two material limiting strips 31 can be equal to or slightly greater than the distance between the left side plate 22 and the right side plate 23. When the size of the materials is small, the distance between the left side plate 22 and the right side plate 23 and the distance between the two material limiting strips 31 on the material conveying belt 3 can be reduced.

[0056] In this embodiment, the material limiting strips 31 are L-shaped limiting strips, one side of the L-shaped limiting strips is parallel to the material conveying belt 3, and the other side protrudes upward from the material conveying belt 3. The adjusting mechanisms 32 are provided in the length direction, and the adjusting mechanisms 32 are bolt adjusting mechanisms 32 or screw adjusting mechanisms 32. As shown in Figure 4 As shown, the bolt adjusting mechanism 32 includes a fixed block 321 and a screw 322, the fixed block 321 is fixed to the rack 1 and is provided with a threaded hole matched with the screw 322, one end of the screw 322 is rotatably connected (only rotatable, cannot move axially relative to) with the material limiting strip 31, and the screw 322 is connected with the threaded hole, so that the position of the material limiting strip 31 relative to the fixed block 321 can be adjusted by rotating the screw 322, thereby adjusting the distance between the two material limiting strips 31. The screw adjusting mechanism 32 is a conventional technical means in the art, which will not be described in detail.

[0057] As shown in Figure 1 As shown, the rear of the laser marking module is provided with a visual detection device 8, the discharge end of the material conveying belt 3 is provided with a first material collecting groove 9 for collecting qualified marking materials, and the side of the material conveying belt 3 is provided with a second material collecting groove 10 for collecting unqualified marking materials.

[0058] Further comprising a sorting device, the sorting device is arranged on the upper surface of the material conveying belt 3 opposite to the second material collecting groove 10, and is used for pushing the unqualified marking materials into the second material collecting groove 10. The sorting device can be a pneumatic cylinder, which is arranged in the width direction of the material conveying belt 3, and when the unqualified marking materials are detected, the pneumatic cylinder extends forward to push the unqualified marking materials into the second material collecting groove 10, while the qualified marking materials are conveyed by the material conveying belt 3 to the first material collecting groove 9.

[0059] In order to prevent the unqualified marking materials from being limited by the material limiting strips 31, as shown in Figure 1As shown, the material limiting strip 31 is provided with an avoiding groove 71 for entering the second material collecting groove 10.

[0060] Finally, it should be noted that although the above-mentioned embodiments have been described in the specification and drawings of the present application, the patent protection scope of the present application should not be limited thereby. Any technical solutions obtained by replacing or modifying the equivalent structures or equivalent processes based on the essential concept of the present application, using the contents described in the specification and drawings of the present application, and directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, etc., are all included in the patent protection scope of the present application.

Claims

1. A laser marking device with adjustable width, characterized in that, include: The material conveyor belt is horizontally mounted on the frame and is used to transport the marking materials. A laser marking module is installed above the material conveyor belt and is used to laser mark the material. An adjustable material trough is provided at the feed end of the material conveyor belt for pushing materials onto the material conveyor belt; the adjustable material trough includes a rear plate, a left side plate, a right side plate and a front upright plate; the left side plate and the right side plate are arranged opposite each other along the width direction, and the rear plate and the front upright plate are arranged opposite each other along the length direction; The rear plate is provided with a width adjustment groove extending along the width direction. The ends of the left side plate and the right side plate are slidably connected to the width adjustment groove via a first slider, so that the distance between the left side plate and the right side plate is adjustable. The left side plate near the front upright plate and the right side plate near the front upright plate are provided with length adjustment grooves extending along the length direction. The two ends of the front upright plate are respectively slidably connected to the length adjustment grooves through second sliders, so that the distance between the front upright plate and the rear plate is adjustable.

2. The width-adjustable laser marking device according to claim 1, characterized in that, The rear plate is an L-shaped plate, including a horizontally arranged base plate and a rear upright plate opposite to the front upright plate; both the base plate and the rear upright plate are provided with the width adjustment groove; Both the left and right side plates are provided with two length adjustment slots in the height direction.

3. The width-adjustable laser marking device according to claim 1 or 2, characterized in that, The front upright plate is composed of two sub-plates distributed along the width direction. Each of the two sub-plates has two or more rectangular protrusions and grooves that mate with the protrusions at one of their opposite ends.

4. The width-adjustable laser marking device according to claim 1, characterized in that, Material limiting strips are provided on both sides of the upper surface of the material conveyor belt along the width direction, and adjustment mechanisms are provided on the outer side of the material limiting strips to adjust the distance between the two material limiting strips.

5. The width-adjustable laser marking device according to claim 4, characterized in that, The material limiting strip is an L-shaped limiting strip, and there are two or more adjusting mechanisms along the length direction. The adjusting mechanism is a bolt adjusting mechanism or a screw adjusting mechanism.

6. The width-adjustable laser marking device according to claim 1, characterized in that, The laser marking module includes a marking scanning galvanometer and a laser; the marking scanning galvanometer is mounted on the front side of the mounting rod, and the laser is located on the rear side of the mounting rod.

7. The width-adjustable laser marking device according to claim 4, characterized in that, A visual inspection device is provided at the rear of the laser marking module, a first receiving trough is provided at the discharge end of the material conveyor belt for collecting qualified marking materials, and a second receiving trough is provided on the side of the material conveyor belt for collecting unqualified marking materials.

8. The width-adjustable laser marking device according to claim 7, characterized in that, It also includes a sorting device, which is disposed on the upper surface of the material conveyor belt opposite to the second receiving trough, and is used to push unqualified marked materials to the second receiving trough.

9. The width-adjustable laser marking device according to claim 7, characterized in that, The material limit bar is provided with a clearance groove to allow unqualified marked materials to enter the second receiving trough.

10. The width-adjustable laser marking device according to claim 1, characterized in that, The adjustable material trough is equipped with a pneumatic pusher at its rear end, which is used to push the material in the adjustable material trough into the material conveyor belt.

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