Laser etching equipment

Abstract

The invention relates to the technical field of PCB laser etching, and discloses laser etching equipment which comprises a rack, a pressing plate, a laser etching mechanism, a jig, a jacking mechanism and a conveying mechanism. The laser etching mechanism, the jacking mechanism and the transmission mechanism are arranged on the rack; the laser carving mechanism comprises a laser carving main machine and a laser carving head, the laser carving main machine is located on the side of the conveying mechanism, the laser carving head is arranged on the laser carving main machine, and the laser carving head is located above the conveying mechanism; the conveying mechanism comprises two parallel conveying belts, and the jacking mechanism is located between the two conveying belts. The pressing plate is located above the conveying belt, and a machining fixing station is formed between the pressing plate and the conveying belt. The jig is provided with a containing station used for installing a PCB, and the jig can be erected on the two conveying belts so that the jig can be conveyed through the conveying belts. According to the laser etching equipment, automatic laser etching machining can be achieved, and the error rate is low.

Description

Technical Field

[0001] The present invention relates to the technical field of PCB laser engraving, and in particular to a laser engraving device. Background Art

[0002] PCB is an important part of electronic products. Its functions and performance directly affect the quality and stability of electronic products. PCB laser engraving is to use laser beam to mark the surface of PCB permanently, so as to display the required pattern and text. At present, when mechanized laser engraving is performed on PCB, it is easy to get stuck, with high error rate and low processing efficiency. Summary of the invention

[0003] The present disclosure proposes a laser engraving device to solve the technical problems of low efficiency and easy error in laser engraving of PCB boards in the prior art.

[0004] In order to solve the above technical problems, the present disclosure proposes a laser engraving device, including a frame, a pressing plate, a laser engraving mechanism, a metallurgy, a lifting mechanism and a transmission mechanism;

[0005] The laser engraving mechanism, the lifting mechanism and the transmission mechanism are arranged on the frame;

[0006] The laser engraving mechanism comprises a laser engraving host and a laser engraving head, wherein the laser engraving host is located at the side of the transmission mechanism, and the laser engraving head is arranged on the laser engraving host, and the laser engraving head is located above the transmission mechanism;

[0007] The transmission mechanism comprises two conveyor belts parallel to each other, and the lifting mechanism is located between the two conveyor belts; the pressing plate is located above the conveyor belts, and a processing fixed station is formed between the pressing plate and the conveyor belts;

[0008] The jig is provided with a containing station for installing the PCB board, and the jig can be set up on the two conveyor belts so as to be transmitted by the conveyor belts.

[0009] Optionally, the transmission mechanism further comprises two mounting seats, the two conveyor belts are respectively arranged on the corresponding mounting seats, and the conveyor belts are respectively located on the sides of the corresponding mounting seats, and the pressing plate is arranged on the top of the mounting seats;

[0010] A flange type ball head plunger is arranged at the bottom of the pressing plate.

[0011] Optionally, the number of the laser engraving mechanisms is at least two, and the two laser engraving hosts are sequentially distributed along the transmission direction of the conveyor belt.

[0012] Optionally, the laser engraving mechanism further includes an annular lamp, which is disposed on the laser engraving host and located between the transmission mechanism and the laser engraving head, and the projection of the laser engraving head in the vertical direction is located within the annular lamp.

[0013] Optionally, the laser engraving mechanism also includes a first connecting block, a second connecting block and a connecting piece, the first connecting block is arranged on the laser engraving host, the second connecting block is arranged on the ring lamp, the second connecting block is provided with a strip hole, the strip hole is arranged in the vertical direction, one end of the connecting piece is passed through the strip hole, and the other end of the connecting piece is connected to the first connecting block, so that the first connecting block and the second connecting block can be detachably connected.

[0014] Optionally, the lifting mechanism includes a telescopic driving element, a lifting frame and a connecting seat, the telescopic driving element is arranged on the frame and located between the two conveyor belts, the connecting seat is arranged at the bottom of the lifting frame, and the telescopic driving element and the connecting seat are transmission-connected to drive the lifting frame to telescope in the vertical direction.

[0015] Optionally, the frame includes a base and a mounting plate, the mounting plate is provided with a guide hole, and the telescopic driving element is arranged at the bottom of the mounting plate;

[0016] The lifting mechanism also includes a limit frame and a guide column, the limit frame is located at the bottom of the mounting plate, the guide column is inserted into the guide hole, one end of the guide column is connected to the lifting frame, and the other end of the guide column is connected to the limit frame.

[0017] Optionally, a positioning hole is provided on the jig, and a positioning rod cooperating with the positioning hole is provided on the lifting frame.

[0018] Optionally, a support block is provided on the top surface of the jacking frame, and the support block protrudes from the top surface of the jacking frame.

[0019] Optionally, the connecting seat comprises a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate is arranged on the top of the lifting frame, the third connecting plate is connected to the first connecting plate through the second connecting plate, and the third connecting plate is parallel to the first connecting plate to form a first slot, and a notch is arranged on the third connecting plate;

[0020] The lifting mechanism also includes a connecting shaft, one end of which is transmission-connected to the telescopic driving element, and the axial surface of the other end of the connecting shaft is provided with a second slot, and the second slot and the notch cooperate with each other to allow the other end of the connecting shaft to be inserted into the first slot, and the other end of the connecting shaft to be snap-connected to the third connecting plate.

[0021] Compared with the prior art, in the present disclosure, automatic laser engraving of PCB boards can be realized through the cooperation of a conveyor belt, a lifting mechanism, a laser engraving head, and a pressure plate. When laser engraving a PCB board, the lifting mechanism lifts up the jig, thereby fixing the jig and the pressure plate to each other, so that the PCB board can be fixed to a fixed processing station, thereby avoiding the occurrence of phenomena such as displacement of the PCB board during the laser engraving process. When the laser engraving is completed, the lifting mechanism can also put down the jig to prevent the pressure plate and the conveyor belt from jamming the jig, thereby avoiding errors in the transmission of the jig. In summary, the laser engraving equipment of this embodiment can realize automated laser engraving processing with a low error rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] One or more embodiments are exemplarily described by corresponding drawings, which do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and the figures in the drawings do not constitute proportional limitations unless otherwise stated.

[0023] Figure 1 This is a schematic diagram of the structure of a laser engraving device in one embodiment of the present disclosure;

[0024] Figure 2 A diagram showing the connection relationship among the jig, the lifting mechanism, the transmission mechanism, the frame, and the pressing plate in one embodiment of the present disclosure;

[0025] Figure 3 for Figure 2 A partial view from another perspective;

[0026] Figure 4 It is a structural schematic diagram of a pressing plate in an embodiment of the present disclosure;

[0027] Figure 5 FIG. 1 is a diagram showing the connection relationship between the jig and the PCB board in one embodiment of the present disclosure. DETAILED DESCRIPTION

[0028] In order to facilitate the understanding of the present disclosure, the present disclosure is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "vertical", "horizontal", "left", "right", "inside", "outside" and similar expressions used in this specification are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art of the present disclosure. The terms used in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not used to limit the present disclosure. The term "and / or" used in this specification includes any and all combinations of one or more related listed items.

[0030] In addition, the terms first, second, third, etc. in the specification and claims are only used for the purpose of describing the same technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated, nor necessarily describing the order or time sequence. The terms are interchangeable where appropriate. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0031] Similarly, the terms "fixed" and "connected" used in the specification and claims should not be construed as limited to direct connection. Therefore, the expression "device A is connected to device B" should not be limited to a device or system in which device A is directly connected to device B, but means that there is a path between device A and device B, which may be a path including other devices or tools.

[0032] In addition, the technical features involved in different embodiments of the present disclosure described below can be combined with each other as long as they do not conflict with each other.

[0033] Please refer to Figures 1 to 5 The embodiment of the present disclosure proposes a laser engraving device 100, including a frame 10, a pressing plate 20, a laser engraving mechanism 30, a metallurgical tool 40, a lifting mechanism 50 and a transmission mechanism 60; the laser engraving mechanism 30, the lifting mechanism 50 and the transmission mechanism 60 are arranged on the frame 10; the laser engraving mechanism 30 includes a laser engraving host 32 and a laser engraving head 34, the laser engraving host 32 is located on the side of the transmission mechanism 60, the laser engraving head 34 is arranged on the laser engraving host 32, and the laser engraving head 34 Located above the transmission mechanism 60; the transmission mechanism 60 includes two conveyor belts 62 parallel to each other, and the lifting mechanism 50 is located between the two conveyor belts 62; the pressing plate 20 is located above the conveyor belt 62, and a processing fixed station is formed between the pressing plate 20 and the conveyor belt 62; the jig 40 is provided with a containing station for installing the PCB board 101, and the jig 40 can be mounted on the two conveyor belts 62 to transmit the jig 40 through the conveyor belts 62.

[0034] In the laser engraving device 100 of this embodiment, the frame 10 is used to install the laser engraving mechanism 30, the lifting mechanism 50 and the transmission mechanism 60. The form and structure of the frame 10 can be set according to the needs of the user. The conveyor belt 62 can be a belt transmission mechanism 60, and the belt transmission mechanism 60 includes a motor, a belt and a pulley. The belt is set on two pulleys, and at least one pulley is connected to the driving motor by transmission. The two belts are arranged in parallel with each other, the pulleys are arranged on the frame 10, and the two belts are arranged on the frame 10 through the pulleys. The jig 40 is used to hold the PCB board 101. After the jig 40 is mounted on the two conveyor belts 62, the two conveyor belts 62 can transmit the jig 40, thereby transmitting the PCB board 101 to the fixed processing station. The laser engraving head 34 of the laser engraving mechanism 30 can perform laser engraving on the PCB board 101 located at the fixed processing station.

[0035] The working principle of the laser engraving equipment 100 of the present embodiment is as follows: after the PCB board 101 is placed on the jig 40, the conveyor belt 62 transfers the jig 40 containing the PCB board 101 to a fixed processing station, and the lifting mechanism 50 can lift up the jig 40 located at the fixed processing station, so that the top surface of the jig 40 and the bottom surface of the pressing plate 20 are close to each other, so that the jig 40 is relatively fixed through the pressing plate 20, and then the PCB board 101 is fixed. At this time, the laser engraving head 34 of the laser engraving mechanism 30 performs laser engraving on the PCB board 101 located at the fixed processing station. When the laser engraving is completed, the lifting mechanism 50 puts down the jig 40 again, so that the jig 40 can continue to be transported by the conveyor belt 62.

[0036] In this embodiment, the automatic laser engraving of the PCB board 101 can be realized through the cooperation of the conveyor belt 62, the lifting mechanism 50, the laser engraving head 34, and the pressing plate 20. When the PCB board 101 is laser engraved, the lifting mechanism 50 lifts the jig 40, so that the jig 40 and the pressing plate 20 are fixed to each other, so that the PCB board 101 can be fixed to the processing fixed position, and the PCB board 101 can be prevented from shifting during the laser engraving process. When the laser engraving is completed, the lifting mechanism 50 can also put down the jig 40 to prevent the pressing plate 20 and the conveyor belt 62 from jamming the jig 40, thereby avoiding errors in the transmission of the jig 40. In summary, the laser engraving equipment 100 of this embodiment can realize automated laser engraving processing with a low error rate.

[0037] In one embodiment, the transmission mechanism 60 further includes two mounting seats 64, the two conveyor belts 62 are respectively arranged on the corresponding mounting seats 64, and the conveyor belts 62 are respectively located on the sides of the corresponding mounting seats 64, and the pressing plate 20 is arranged on the top of the mounting seat 64; the bottom of the pressing plate 20 is provided with a flange-type ball plunger 22. The mounting seat 64 is used to install the conveyor belt 62 and the pressing plate 20. By providing the flange-type ball plunger 22, when the lifting mechanism 50 lifts the jig 40, there is a certain buffer when the jig 40 and the flange-type ball plunger 22 are in contact, so as to avoid direct jamming. When the lifting mechanism 50 puts down the jig 40, the ball head of the flange-type ball plunger 22 contacts the upper surface of the jig 40 under the action of its own weight, so that the jig 40 can continue to be smoothly transported by the conveyor belt 62, so as to avoid the jig 40 from being jammed, thereby further avoiding the occurrence of the phenomenon of the jig 40 being jammed, and avoiding errors.

[0038] In one embodiment, the number of the laser engraving mechanisms 30 is at least two, and the two laser engraving hosts 32 are sequentially distributed along the transmission direction of the conveyor belt 62. Preferably, the number of the laser engraving mechanisms 30 is two, and the plurality of laser engraving mechanisms 30 can simultaneously laser engrave the plurality of metallurgical tools 40 transmitted on the conveyor belt 62, and the laser engraving efficiency is high.

[0039] In one embodiment, the laser engraving mechanism 30 further includes an annular lamp 36, which is disposed on the laser engraving host 32 and is located between the transmission mechanism 60 and the laser engraving head 34, and the projection of the laser engraving head 34 in the vertical direction is located in the annular lamp 36. The annular lamp 36 can illuminate the mold 40 to prevent the laser engraving head 34 from making mistakes when laser engraving the PCB board 101, and can also timely discover errors when laser engraving is wrong.

[0040] In one embodiment, the laser engraving mechanism 30 further includes a first connecting block 37, a second connecting block 38 and a connecting piece (not shown in the figure), wherein the first connecting block 37 is arranged on the laser engraving host 32, the second connecting block 38 is arranged on the annular lamp 36, the second connecting block 38 is provided with a strip hole 382, ​​the strip hole 382 is arranged in the vertical direction, one end of the connecting piece is passed through the strip hole 382, ​​and the other end of the connecting piece is connected to the first connecting block 37, so that the first connecting block 37 and the second connecting block 38 are detachably connected. The connecting piece can be a screw, and the height of the annular lamp 36 can be adjusted by adjusting the screw at different positions of the strip hole 382 to meet the lighting requirements of laser engraving.

[0041] In one embodiment, the lifting mechanism 50 includes a telescopic driving element 51, a lifting frame 52 and a connecting seat 53, wherein the telescopic driving element 51 is arranged on the frame 10 and between the two conveyor belts 62, and the connecting seat 53 is arranged at the bottom of the lifting frame 52, and the telescopic driving element 51 and the connecting seat 53 are connected by transmission to drive the lifting frame 52 to extend and retract in the vertical direction. The telescopic driving element 51 can be a cylinder, and the cylinder drives the connecting seat 53 to drive the lifting frame 52 to extend and retract in the vertical direction. When the cylinder drives the connecting seat 53 to lift up in the vertical direction, the lifting frame 52 can lift the metalworking tool 40. When the cylinder drives the connecting seat 53 to descend in the vertical direction, the lifting frame 52 can put down the metalworking tool 40.

[0042] In one embodiment, the frame 10 includes a base 12 and a mounting plate 14, the mounting plate 14 is provided with a guide hole 142, and the telescopic driving element 51 is arranged at the bottom of the mounting plate 14; the lifting mechanism 50 also includes a limit frame 54 and a guide column 55, the limit frame 54 is located at the bottom of the mounting plate 14, the guide column 55 is inserted into the guide hole 142, and one end of the guide column 55 is connected to the lifting frame 52, and the other end of the guide column 55 is connected to the limit frame 54. The telescopic driving element 51 is installed at the bottom of the mounting plate 14, the number of the guide column 55 and the number of the guide hole 142 are four respectively, the lifting frame 52 and the limit frame 54 are connected through the guide column 55, when the telescopic driving element 51 drives the lifting frame 52 to rise and fall in the vertical direction, the limit frame 54 can achieve limit, so as to prevent the lifting frame 52 from lifting the jig 40 to an excessive height.

[0043] In one embodiment, the jig 40 is provided with a positioning hole 42, and the lifting frame 52 is provided with a positioning rod 522 that cooperates with the positioning hole 42. The mutual cooperation between the positioning rod 522 and the positioning hole 42 can make the cooperation accuracy of the lifting frame 52 and the jig 40 higher, thereby making the consistency of each jig 40 arriving at the processing fixed position better, so as to improve the laser engraving accuracy of each PCB board 101.

[0044] In one embodiment, a support block 524 is provided on the top surface of the lifting frame 52, and the support block 524 protrudes from the top surface of the lifting frame 52. When the lifting frame 52 lifts up the jig 40, the support block 524 directly contacts the jig 40. When the lifting frame 52 puts down the jig 40, the support block 524 is provided to prevent the jig 40 from sticking to the lifting frame 52, thereby further preventing errors in the transfer of the jig 40.

[0045] In one embodiment, the connection seat 53 includes a first connection plate 532, a second connection plate 534 and a third connection plate 536, wherein the first connection plate 532 is arranged at the top of the lifting frame 52, the third connection plate 536 is connected to the first connection plate 532 through the second connection plate 534, and the third connection plate 536 is parallel to the first connection plate 532 to form a first slot 5326, and a notch 5362 is provided on the third connection plate 536; the lifting mechanism 50 also includes a connecting shaft 56, one end of the connecting shaft 56 is connected to the telescopic driving element 51 by transmission, and the axial surface of the other end of the connecting shaft 56 is provided with a second slot 562, and the second slot 562 and the notch 5362 cooperate with each other so that the other end of the connecting shaft 56 is inserted into the first slot 5326, and the other end of the connecting shaft 56 is connected to the third connection plate 536 by snapping. The first connection plate 532, the second connection plate 534, and the third connection plate 536 can be integrally formed. The connecting shaft 56 and the telescopic end of the telescopic driving element 51 are detachably connected. Through the cooperation between the second card slot 562 and the notch 5362, the connection between the connecting shaft 56 and the connecting seat 53 is convenient, and can be disassembled and assembled by snap buckles, and the connection strength is high. On the other hand, the connecting shaft 56 can be removed from the telescopic driving element 51, which is convenient for maintenance and installation.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, rather than to limit them. Under the idea of ​​the present disclosure, the technical features in the above embodiments or different embodiments may also be combined, the steps may be implemented in any order, and there are many other changes in different aspects of the present disclosure as described above, which are not provided in detail for the sake of simplicity. Although the present disclosure has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in each of the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of each embodiment of the present disclosure.

Claims

1. A laser engraving device (100), characterized in that: It comprises a frame (10), a pressing plate (20), a laser engraving mechanism (30), a tool (40), a lifting mechanism (50) and a transmission mechanism (60); The laser engraving mechanism (30), the lifting mechanism (50) and the transmission mechanism (60) are arranged on the frame (10); The laser engraving mechanism (30) comprises a laser engraving host (32) and a laser engraving head (34); the laser engraving host (32) is located on the side of the transmission mechanism (60); the laser engraving head (34) is arranged on the laser engraving host (32); and the laser engraving head (34) is located above the transmission mechanism (60); The transmission mechanism (60) comprises two conveyor belts (62) parallel to each other, and the lifting mechanism (50) is located between the two conveyor belts (62); the pressing plate (20) is located above the conveyor belt (62), and a processing fixed station is formed between the pressing plate (20) and the conveyor belt (62); The jig (40) is provided with a containing station for installing a PCB board (101), and the jig (40) can be mounted on two conveyor belts (62) so as to transport the jig (40) via the conveyor belts (62).

2. The laser engraving device (100) according to claim 1, characterized in that: The transmission mechanism (60) further comprises two mounting seats (64), the two conveyor belts (62) are respectively arranged on the corresponding mounting seats (64), and the conveyor belts (62) are respectively located on the sides of the corresponding mounting seats (64), and the pressing plate (20) is arranged on the top of the mounting seats (64); A flange-type ball-head plunger (22) is provided at the bottom of the pressure plate (20).

3. The laser engraving device (100) according to claim 1, characterized in that: The number of the laser engraving mechanisms (30) is at least two, and the two laser engraving hosts (32) are sequentially distributed along the transmission direction of the conveyor belt (62).

4. The laser engraving device (100) according to claim 1, characterized in that: The laser engraving mechanism (30) further comprises an annular lamp (36), which is arranged on the laser engraving host (32) and is located between the transmission mechanism (60) and the laser engraving head (34), and the projection of the laser engraving head (34) in the vertical direction is located within the annular lamp (36).

5. The laser engraving device (100) according to claim 4, characterized in that: The laser engraving mechanism (30) further comprises a first connecting block (37), a second connecting block (38) and a connecting piece, wherein the first connecting block (37) is arranged on the laser engraving host (32), the second connecting block (38) is arranged on the annular lamp (36), a strip hole (382) is opened on the second connecting block (38), and the strip hole (382) is arranged in a vertical direction, one end of the connecting piece is inserted into the strip hole (382), and the other end of the connecting piece is connected to the first connecting block (37), so that the first connecting block (37) and the second connecting block (38) are detachably connected.

6. The laser engraving device (100) according to any one of claims 1 to 5, characterized in that: The lifting mechanism (50) comprises a telescopic driving element (51), a lifting frame (52) and a connecting seat (53); the telescopic driving element (51) is arranged on the frame (10) and is located between the two conveyor belts (62); the connecting seat (53) is arranged at the bottom of the lifting frame (52); the telescopic driving element (51) and the connecting seat (53) are connected in a transmission manner to drive the lifting frame (52) to extend and retract in a vertical direction.

7. The laser engraving device (100) according to claim 6, characterized in that: The frame (10) comprises a base (12) and a mounting plate (14); a guide hole (142) is provided on the mounting plate (14); and the telescopic driving element (51) is arranged at the bottom of the mounting plate (14); The lifting mechanism (50) further comprises a limit frame (54) and a guide column (55), wherein the limit frame (54) is located at the bottom of the mounting plate (14), the guide column (55) is inserted into the guide hole (142), and one end of the guide column (55) is connected to the lifting frame (52), and the other end of the guide column (55) is connected to the limit frame (54).

8. The laser engraving device (100) according to claim 7, characterized in that: The jig (40) is provided with a positioning hole (42), and the lifting frame (52) is provided with a positioning rod (522) that matches the positioning hole (42).

9. The laser engraving device (100) according to claim 6, characterized in that: The top surface of the lifting frame (52) is provided with a support block (524), and the support block (524) protrudes from the top surface of the lifting frame (52).

10. The laser engraving device (100) according to claim 6, characterized in that: The connecting seat (53) comprises a first connecting plate (532), a second connecting plate (534) and a third connecting plate (536), wherein the first connecting plate (532) is arranged at the top of the lifting frame (52), the third connecting plate (536) is connected to the first connecting plate (532) via the second connecting plate (534), and the third connecting plate (536) is parallel to the first connecting plate (532) to form a first slot (5326), and the third connecting plate (536) is provided with a notch (5362); The lifting mechanism (50) also includes a connecting shaft (56), one end of which is transmission-connected to the telescopic driving element (51), and the axial surface of the other end of the connecting shaft (56) is provided with a second slot (562), and the second slot (562) and the notch (5362) cooperate with each other so that the other end of the connecting shaft (56) is inserted into the first slot (5326), and the other end of the connecting shaft (56) is snap-connected to the third connecting plate (536).

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