Automatic laser marking device with online weighing function
By combining an intelligent networked electronic scale and a laser marking head in an automatic laser marking device, online fusion marking of part weight information is achieved, solving the low efficiency problem caused by the separation of weighing and marking in the existing technology and improving production efficiency.
Patent Information
- Application Number
- CN202422830027.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Existing QR code marking equipment is inefficient in the batch weighing and marking process. The weighing and marking operations of parts are separate independent processes, resulting in low efficiency.
An automatic laser marking device capable of online weighing is designed. Combining an intelligent networked electronic scale and a laser marking head, the device can simultaneously upload weighing data and generate QR codes through an industrial computer, thus realizing online fusion marking of part weight information.
The parts weighing and marking processes are completed synchronously, which improves production efficiency, reduces mechanical movements, and improves the efficiency of batch production.
Smart Images

Figure CN223418604U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of marking equipment, in particular to an automatic laser marking device capable of online weighing. Background Art
[0002] Before some parts are produced and shipped out of the factory, they need to be marked with a QR code to record their model, specifications, production batch and other information. Such parts only need to go through the assembly line marking operation. For some parts whose weight has a greater identification significance, in addition to recording information such as model, specifications and production batch in the QR code marking, the weight information corresponding to the individual part also needs to be integrated and recorded in the marked QR code to achieve better information traceability and query. However, after searching and querying, some existing QR code marking equipment that needs to record the weight information of individual parts, in the batch marking process, the weighing and marking of parts are two separate independent operating procedures, and there are some inefficient mechanical actions. For example, the utility model patent with authorization publication number CN219787043U, the weighing and marking device disclosed therein is a structural design that weighs first and then marks. Since the two operating procedures are run independently in succession, the efficiency is low in batch weighing and marking operations. Utility Model Content
[0003] In order to solve the defects of the above-mentioned technology, the utility model provides an automatic laser marking device capable of online weighing.
[0004] The technical solution adopted by the present invention to achieve the above technical effects is:
[0005] An automatic laser marking device capable of online weighing includes a support platform, a reciprocating positioning platform provided on the support platform, an intelligent networked electronic scale connected to the reciprocating positioning platform, and a laser marking head provided on one side of the intelligent networked electronic scale for marking a QR code on parts placed on the intelligent networked electronic scale, and a visual recognition camera for inspecting and identifying the marked parts. The intelligent networked electronic scale and the laser marking head are respectively connected to an industrial computer. The industrial computer is used to receive the weighing data uploaded by the intelligent networked electronic scale and send it to the laser marking head to generate a QR code that incorporates the part weight information.
[0006] Preferably, in the above-mentioned automatic laser marking device capable of online weighing, a lifting bracket is provided on the rear side of the bracket platform, a laser controller is provided on the lifting bracket, the laser marking head is electrically connected to the laser controller, and the visual recognition camera is fixed to the laser controller through an adjustment bracket.
[0007] Preferably, in the above-mentioned automatic laser marking device capable of online weighing, the intelligent networked electronic scale includes a housing and two electronic weighing platforms arranged on the housing, the electronic weighing platforms are provided with a weighing tray for supporting parts, and the bottom of the weighing tray is provided with an electronic weighing sensor.
[0008] Preferably, in the above-mentioned automatic laser marking device capable of online weighing, the front end of the housing is an inclined surface, and is provided with a display screen and control buttons.
[0009] Preferably, in the above-mentioned automatic laser marking device capable of online weighing, the reciprocating positioning platform includes a base plate, a movable positioning plate arranged on the base plate, and a driving mechanism arranged on the base plate for driving the movable positioning plate to reciprocate between the first station and the second station. The casing is fixed on the movable positioning plate. At the first station, one of the electronic weighing platforms is aligned with the laser marking head, and at the second station, the other electronic weighing platform is aligned with the laser marking head.
[0010] Preferably, in the above-mentioned automatic laser marking device capable of online weighing, the driving mechanism includes an electric push cylinder fixed on the base plate, the base plate is provided with guide rails on both sides of the electric push cylinder, the bottom of the movable positioning plate is provided with two sliders slidably nested on the guide rails at positions corresponding to the guide rails, the lower surface of the movable positioning plate is provided with a linkage block, and the end of the push rod of the electric push cylinder is fixedly connected to the linkage block.
[0011] Preferably, in the above-mentioned automatic laser marking device that can be weighed online, the upper surface of the base plate is provided with a first limit sensor and a second limit sensor located at both ends of the moving stroke of the movable positioning plate, and the lower surface of the movable positioning plate is provided with a first limit block and a second limit block respectively cooperating with the first limit sensor and the second limit sensor.
[0012] Preferably, in the above-mentioned automatic laser marking device capable of online weighing, the bottom of the housing is fixed to the movable positioning plate via four raising columns.
[0013] Preferably, in the above-mentioned automatic laser marking device capable of online weighing, the lifting bracket includes a vertical bracket and a manually adjustable screw provided on the vertical bracket, the manually adjustable screw is threadedly connected to a lifting seat, and the laser controller is fixed on the lifting seat.
[0014] Preferably, in the above-mentioned automatic laser marking device that can be weighed online, the adjustment bracket includes a connecting arm, a first connecting block fixed on the connecting arm, a vertical rod that can be adjusted up and down and plugged into the first connecting block, a second connecting block that can be rotatably connected to the vertical rod, and a cross bar that can be adjusted horizontally left and right and plugged into the second connecting block, the connecting arm is fixed to the laser controller, and the visual recognition camera is fixed to the cross bar.
[0015] The beneficial effects of the utility model are as follows: the automatic laser marking device of the utility model can quickly weigh the weight of the parts to be marked through the intelligent networked electronic scale, and upload the weighing data to the industrial computer, and then send it to the laser marking head through the industrial computer, so that the laser marking head can mark the QR code with the part weight information on the part. The whole process can be completed almost synchronously, and the two processes of weighing and marking can be carried out together on the intelligent networked electronic scale. There is no need to transfer parts from the weighing process to the marking process, the mechanical action is efficient, and the weighing and marking production efficiency of the parts is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a right side view of the utility model;
[0017] Figure 2 It is a left view of the utility model;
[0018] Figure 3 This is a three-dimensional diagram of the utility model after removing the reciprocating positioning platform and the intelligent networked electronic scale;
[0019] Figure 4 A three-dimensional diagram of the intelligent networked electronic scale and the reciprocating positioning platform of the utility model;
[0020] Figure 5 This is a side view of the intelligent networked electronic scale and the reciprocating positioning platform of the utility model;
[0021] Figure 6 A three-dimensional diagram of the reciprocating positioning platform of the present invention;
[0022] Figure 7 This is a structural diagram of the driving mechanism of the utility model;
[0023] Figure 8 This is the alignment diagram of the laser marking head and one of the electronic weighing platforms at the first working station;
[0024] Figure 9 This is a diagram of the alignment of the laser marking head and another electronic weighing platform at the first workstation. DETAILED DESCRIPTION
[0025] In order to further understand the present invention, the present invention will be further described below with reference to the accompanying drawings and specific embodiments:
[0026] In the description of this utility, it should be noted that the terms "vertical," "upper," "lower," and "horizontal," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for the purpose of facilitating the description of this utility and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting this utility. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0027] It should also be noted that, in the description of this utility, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections. They may also refer to mechanical connections or electrical connections. They may also refer to direct connections or connections through an intermediate medium. They may also refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility based on specific circumstances.
[0028] See Figure 1 、 Figure 2 and Figure 3As shown in the figure, the embodiment of the utility model discloses an automatic laser marking device that can weigh online, which comprises a support platform 1, a reciprocating positioning platform 2 arranged on the support platform 1, an intelligent networking electronic scale 3 connected to the reciprocating positioning platform 2, and a laser marking head 6 arranged on one side of the intelligent networking electronic scale 3 for marking the two-dimensional code of the parts placed on the intelligent networking electronic scale 3 and a visual identification camera 8 for identifying the marked parts. Among them, two weighing and marking positions are arranged on the intelligent networking electronic scale 3, and the two weighing and marking positions can synchronously record the weighing data of the individual parts placed thereon respectively, and then the intelligent networking electronic scale 3 is positioned and moved through the reciprocating positioning platform 2, so that the parts on the two weighing and marking positions of the intelligent networking electronic scale 3 complete the marking work in turn. Specifically, the intelligent networking electronic scale 3 and the laser marking head 6 are connected with an industrial computer (not shown in the figure) respectively, and the industrial computer is used for receiving the weighing data uploaded by the intelligent networking electronic scale 3 and issuing the weighing data to the laser marking head 6 to generate a two-dimensional code fused with the weight information of the parts. Among them, the weighing data uploaded by the two weighing and marking positions on the intelligent networking electronic scale 3 to the industrial computer is recorded independently, and the corresponding two-dimensional code fused with the weight information of the parts is generated, and the laser marking head 6 marks the corresponding two-dimensional code fused with the weight information of the parts on the corresponding parts according to the positioning position of the reciprocating positioning platform 2. In the whole weighing and marking process, the parts are always located on the weighing and marking positions on the intelligent networking electronic scale 3, that is, the parts do not need to be transferred from the weighing process to the marking process, and the rapid weighing and marking work of two parts can be completed at one time.
[0029] Further, in the preferred embodiment of the utility model, as shown in the figure, Figure 3 The rear side of the support platform 1 is provided with a lifting support 4, and the lifting support 4 is provided with a laser controller 5, wherein the laser marking head 6 is electrically connected with the laser controller 5, and the visual identification camera 8 is fixed on the laser controller 5 through an adjusting support 7. After the parts are weighed and marked, the visual identification camera 8 visually scans and identifies the marking position of the marked parts on the two weighing and marking positions on the intelligent networking electronic scale 3 to detect whether the marking two-dimensional code is qualified. Among them, the photographing scanning field of view of the visual identification camera 8 can be adjusted through the adjusting support 7, so that the visual scanning and identification of the marked parts can be better performed.
[0030] Further, in the preferred embodiment of the utility model, as shown in the figure, Figure 4As shown, the intelligent networked electronic scale 3 includes a housing 31 and two electronic weighing platforms 32 provided on the housing 31. The electronic weighing platforms 32 are provided with a weighing support plate 321 for supporting parts, and an electronic weighing sensor is provided at the bottom of the weighing support plate 321 for weighing. The weighing marking position is the electronic weighing platform 32. The housing 31 is provided with a controller motherboard and a networking module. The networking module is connected to the industrial computer for uploading data and receiving control instructions from the host computer. For ease of use, Figure 4 As shown, the front end of the housing 31 is an inclined surface, on which a display screen 33 and control buttons are provided.
[0031] Furthermore, in a preferred embodiment of the present invention, Figure 4 、 Figure 5 、 Figure 6 and Figure 7 As shown, the reciprocating positioning platform 2 includes a base plate 21, a movable positioning plate 22 provided on the base plate 21, and a driving mechanism provided on the base plate 21, the driving mechanism being used to drive the movable positioning plate 22 to reciprocate between the first station and the second station. Figure 4 and Figure 5 As shown, the housing 31 is fixed on the movable positioning plate 22, as shown in FIG. Figure 8 As shown, at the first station, one of the electronic weighing platforms 32 is aligned with the laser marking head 6, as shown in FIG. Figure 9 As shown, at the second workstation, another electronic weighing platform 32 is aligned with the laser marking head 6 .
[0032] Furthermore, in a preferred embodiment of the present invention, Figure 7 As shown, the drive mechanism includes an electric push cylinder 25 fixed to the base plate 21, wherein the base plate 21 is provided with guide rails 23 on both sides of the electric push cylinder 25. The bottom of the movable positioning plate 22 is provided with two sliders 24 slidably nested on the guide rails 23 at positions corresponding to the guide rails 23. The lower surface of the movable positioning plate 22 is provided with a linkage block 26, and the end of the push rod of the electric push cylinder 25 is fixedly connected to the linkage block 26. The extension and retraction action of the push rod of the electric push cylinder 25 can drive the movable positioning plate 22 to reciprocate between the first and second stations on the base plate 21 to sequentially complete the marking operations of the two weighing and marking positions, that is, the marking of the two parts on the two electronic weighing platforms 32.
[0033] Furthermore, in a preferred embodiment of the present invention, Figure 7As shown, the upper surface of the bottom plate 21 is provided with a first limit sensor 27 and a second limit sensor 28 located at both ends of the moving stroke of the movable positioning plate 22, and the lower surface of the movable positioning plate 22 is provided with a first limit block 271 and a second limit block 281 matched with the first limit sensor 27 and the second limit sensor 28 respectively. Through the cooperation of the first limit sensor 27 and the first limit block 271, and the cooperation of the second limit sensor 28 and the second limit block 281, the overtravel of the movable positioning plate 22 during the reciprocating positioning movement between the first station and the second station can be avoided, and the stability of the device operation is improved.
[0034] Further, in the preferred embodiment of the utility model, as shown in Figure 5 The bottom of the shell 31 is fixed on the movable positioning plate 22 through four heightening columns 34. In the case that the thickness difference of different batches of parts to be marked is large, the horizontal height of the laser controller 5 can be adjusted by adjusting the lifting support 4, and then the horizontal height of the laser marking head 6 and the visual recognition camera 8 is raised. Through the adjustment of the lifting support 4, the horizontal height of the whole intelligent networking electronic scale 3 can be raised, so that the laser marking head 6 and the visual recognition camera 8 can be aligned with the part side marking position on the electronic weighing platform 32 in a horizontal plane. Specifically, in the preferred embodiment of the utility model, as shown in Figure 3 The lifting support 4 includes a vertical support and a hand-adjusting lead screw arranged on the vertical support, wherein a lifting seat 41 is threadedly connected to the hand-adjusting lead screw, the laser controller 5 is fixed on the lifting seat 41, and a rotating handle 42 connected to the upper end of the hand-adjusting lead screw is arranged on the top of the lifting support 4. By rotating the rotating handle 42 forward and backward, the height position of the laser controller 5 can be adjusted, so as to complete the adjustment of the horizontal height of the laser marking head 6 and the visual recognition camera 8.
[0035] Further, in the preferred embodiment of the utility model, as shown in Figure 3 The adjusting support 7 includes a connecting arm 71, a first connecting clamping block 72 fixed on the connecting arm 71, a vertical rod 73 up and down adjustably inserted into the first connecting clamping block 72, a second connecting clamping block 74 rotatably connected to the vertical rod 73, and a horizontal rod 75 horizontally and left-right adjustably inserted into the second connecting clamping block 74. The connecting arm 71 is fixed with the laser controller 5, the visual recognition camera 8 is fixed with the horizontal rod 75, and the angle of the horizontal rod 75, that is, the angle of the visual recognition camera 8, can be adjusted by rotating the second connecting clamping block 74 on the vertical rod 73, so that it has a wider scanning field of view.
[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements fall within the scope of the present invention as claimed, and the scope of protection claimed by the present invention is defined by the appended claims and their equivalents.
Claims
1. An automatic laser marking device capable of online weighing, characterized in that: The invention comprises a support platform (1), a reciprocating positioning platform (2) arranged on the support platform (1), an intelligent networked electronic scale (3) connected to the reciprocating positioning platform (2), and a laser marking head (6) arranged on one side of the intelligent networked electronic scale (3) for marking a two-dimensional code on a part placed on the intelligent networked electronic scale (3) and a visual recognition camera (8) for inspecting and identifying the marked part. The intelligent networked electronic scale (3) and the laser marking head (6) are respectively connected to an industrial computer. The industrial computer is used to receive weighing data uploaded by the intelligent networked electronic scale (3) and send it to the laser marking head (6) to generate a two-dimensional code incorporating part weight information.
2. The automatic laser marking device capable of online weighing according to claim 1, characterized in that: A lifting bracket (4) is provided on the rear side of the bracket platform (1), a laser controller (5) is provided on the lifting bracket (4), the laser marking head (6) is electrically connected to the laser controller (5), and the visual recognition camera (8) is fixed to the laser controller (5) via an adjustment bracket (7).
3. The automatic laser marking device capable of online weighing according to claim 1, characterized in that: The intelligent networked electronic scale (3) comprises a housing (31) and two electronic weighing platforms (32) arranged on the housing (31); a weighing support plate (321) for supporting parts is provided on the electronic weighing platform (32); and an electronic weighing sensor is provided at the bottom of the weighing support plate (321).
4. The automatic laser marking device capable of online weighing according to claim 3, characterized in that: The front end of the housing (31) is an inclined surface and is provided with a display screen (33) and control buttons.
5. The automatic laser marking device capable of online weighing according to claim 3, characterized in that: The reciprocating positioning platform (2) includes a base plate (21), a movable positioning plate (22) arranged on the base plate (21), and a driving mechanism arranged on the base plate (21) for driving the movable positioning plate (22) to reciprocate between a first station and a second station. The housing (31) is fixed on the movable positioning plate (22). At the first station, one of the electronic weighing platforms (32) is aligned with the laser marking head (6), and at the second station, the other electronic weighing platform (32) is aligned with the laser marking head (6).
6. The automatic laser marking device capable of online weighing according to claim 5, characterized in that: The driving mechanism includes an electric push cylinder (25) fixed on the base plate (21), the base plate (21) is provided with guide rails (23) on both sides of the electric push cylinder (25), the bottom of the movable positioning plate (22) is provided with two sliders (24) slidably nested on the guide rails (23) at positions corresponding to the guide rails (23), the lower surface of the movable positioning plate (22) is provided with a linkage block (26), and the end of the push rod of the electric push cylinder (25) is fixedly connected to the linkage block (26).
7. The automatic laser marking device capable of online weighing according to claim 5, characterized in that: The upper surface of the base plate (21) is provided with a first limit sensor (27) and a second limit sensor (28) located at both ends of the moving stroke of the movable positioning plate (22), and the lower surface of the movable positioning plate (22) is provided with a first limit block (271) and a second limit block (281) respectively cooperating with the first limit sensor (27) and the second limit sensor (28).
8. The automatic laser marking device capable of online weighing according to claim 5, characterized in that: The bottom of the housing (31) is fixed on the movable positioning plate (22) via four raising columns (34).
9. The automatic laser marking device capable of online weighing according to claim 2, characterized in that: The lifting bracket (4) comprises a vertical bracket and a hand-adjustable screw arranged on the vertical bracket, the hand-adjustable screw is threadedly connected to a lifting seat (41), and the laser controller (5) is fixed on the lifting seat (41).
10. The automatic laser marking device capable of online weighing according to claim 2, characterized in that: The adjustment bracket (7) comprises a connecting arm (71), a first connecting block (72) fixed on the connecting arm (71), a vertical rod (73) plugged into the first connecting block (72) so as to be adjustable up and down, a second connecting block (74) rotatably connected to the vertical rod (73), and a cross bar (75) plugged into the second connecting block (74) so as to be adjustable horizontally left and right. The connecting arm (71) is fixed to the laser controller (5), and the visual recognition camera (8) is fixed to the cross bar (75).
Citation Information
Patent Citations
Weighing and marking device
CN219787043U