CN218080977U

CN218080977U - Code printing device and laser marking machine

Info

Publication number: CN218080977U
Application number: CN202222651858.7U
Authority: CN
Inventors: 李锐
Original assignee: Shenzhen Zhongke Laser Technology Co ltd
Current assignee: Shenzhen Zhongke Laser Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-12-20
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a code marking device and laser marking machine, this code marking device include fixed unit, laser coding unit and camera. One end of the fixing plate is provided with a first through hole and a second through hole. The adjusting seat is perpendicular to the fixing plate and located on one side of the second through hole. The laser of the laser coding unit is connected with the other end of the fixing plate, and the laser refractor is connected with one end of the laser, which emits laser. The camera sets up on adjusting the seat, adjusts the seat and sets up with the fixed plate is perpendicular, can install the camera fast and adjust, has improved the efficiency of installation. The exit port of the laser refractor is arranged corresponding to the first through hole, and the lens of the camera is positioned above the second through hole, so that the marking point on the PCB can be conveniently identified, and the stability of the support and the marking precision are obviously improved. The laser marking machine is provided with any one of the marking devices, and the stability of the support and the marking precision are also obviously improved.

Description

Code printing device and laser marking machine

Technical Field

The utility model relates to a cam equipment field, in particular to code printing device and laser marking machine.

Background

Laser marking machines are used to permanently mark the surface of various materials with a laser beam. The marking effect is to expose deep layer material by the evaporation of surface layer material, thereby carving exquisite patterns, trademarks and characters. Most direct mount of current laser marking device are on Z axle linear electric motor's output, and at the target in-process of beating, the laser marking device produces easily and rocks, and bearing structure stability is relatively poor, influences the target precision of beating.

Therefore, it is desirable to provide a coding device and a laser marking machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a code marking device and laser marking machine, this code marking device fix the laser coding unit on the fixed plate, and the camera setting is on adjusting the seat, adjusts the seat and sets up with the fixed plate is perpendicular, can install and adjust the camera fast, has improved the efficiency of installation. The exit port of laser refractor sets up with first through-hole is corresponding, and the camera lens of camera is located the top of second through-hole, and the mark point of beating on the discernment PCB board of being convenient for is showing the stability that has improved the support and is beaten the precision of mark, has solved among the prior art because of laser marking device direct mount produces easily on Z axle linear electric motor's output and rocks the lower problem of precision that leads to beating the mark.

In order to solve the above problems, the present invention comprises: a beat sign indicating number device for beat mark of PCB board, it includes:

the fixing unit comprises a fixing plate and an adjusting seat, and a first through hole and a second through hole are formed in one end of the fixing plate; one end of the adjusting seat is connected with one side of the fixing plate, the adjusting seat is perpendicular to the fixing plate, and the adjusting seat is located on one side of the second through hole;

the laser coding unit comprises a laser and a laser refractor, the laser is connected with the other end of the fixing plate, the laser refractor is connected with one end, emitting laser, of the laser, the laser refractor is located above the first through hole, and an emitting port of the laser refractor corresponds to the first through hole; and the number of the first and second groups,

the camera is arranged on the adjusting seat, a lens of the camera is positioned above the second through hole, and the camera is used for identifying a marking point on the PCB.

Beat among the sign indicating number device, adjust the seat and include regulating plate and regulating block, the lower extreme of regulating plate with fixed plate bolted connection. The adjusting plate comprises a first plate surface, and the first plate surface is perpendicular to the second through hole; be provided with two regulating grooves that link up on the first face, the one end of regulating block is passed through the one end of screw the regulating groove will the regulating block is fixed on the regulating plate. The center of regulating block is provided with the mounting groove, the mounting groove is used for fixing the camera. The installation and disassembly are convenient, and the position of the camera and the perpendicularity of the camera are convenient to adjust.

Furthermore, the other end of regulating block is provided with the opening, the opening with the mounting groove intercommunication, the open-ended both sides wall all is provided with the connecting hole, the connecting hole is used for adjusting through the bolt open-ended size fastens the camera, is convenient for install the camera.

Further, the camera comprises a body and a sleeve. The cross section of organism sets up to the rectangle structure, telescopic middle part be provided with the holding tank that the organism corresponds, the right angle end of holding tank sets up to convex recess, the recess is used for placing the right angle end of organism is convenient for protect camera and fixed the camera. The periphery of the sleeve is set to be a circular structure, and the groove wall of the mounting groove is also set to be a corresponding circular structure.

Furthermore, the area of the first through hole is larger than that of the second through hole, the structure is compact, and the occupied space is reduced.

Furthermore, the code printing device further comprises a dust removal unit, and the dust removal unit comprises a connector and an extension pipeline. The connector comprises two lugs, a connecting box body and a connecting terminal. The connecting box body is arranged in a hollow mode and located above the first through hole, and the connecting box body and the laser refractor are arranged in a staggered mode. One of the lugs is arranged on one side of the connecting box body, and the other lug is arranged on the other side of the connecting box body. The connecting box body is detachably connected with the fixing plate through the two lugs. One end of the connecting terminal is connected with the side face of the connecting box body, the connecting terminal is communicated with the connecting box body, and the other end of the connecting box body is connected with an external suction arm and used for removing smoke dust generated during marking. One end of the extension pipeline is connected with the lower surface of the connecting box body, and the other end of the extension pipeline is positioned above the PCB. The operation environment is protected, the sight of the operation is clearer, and the marking precision is improved.

Further, the horizontal section of the extension pipe is arranged to be a rectangular structure, and the length direction of the horizontal section of the extension pipe is arranged along the width direction of the first through hole. The lower part of the extension pipeline is provided with a chamfer surface, so that the area of the air inlet is increased.

Furthermore, the laser coding unit further comprises a connecting pipe, one end of the connecting pipe is in screwed connection with the end of the laser, and the other end of the connecting pipe is in screwed connection with one end of the laser refractor. The connecting pipe is used for avoiding the laser refractor and the dust removal unit. Compact structure, reduce occupation space.

Furthermore, a coaxial light source is arranged below the camera and used for enabling light rays to uniformly irradiate the PCB. Provides more uniform illumination than conventional light sources, thus improving the accuracy and reproducibility of machine vision.

A laser marking machine, comprising:

a gantry structure;

the code printing device is arranged on the gantry structure and comprises any one of the code printing devices; and the number of the first and second groups,

and the PCB conveying device is arranged below the code printing device and used for conveying the PCB.

The utility model discloses owing to adopted foretell coding device and laser marking machine, compare in prior art, its beneficial effect is: the utility model relates to a code marking device and laser marking machine, this code marking device include fixed unit, laser coding unit and camera. The fixing unit comprises a fixing plate and an adjusting seat, and a first through hole and a second through hole are formed in one end of the fixing plate. One end of the adjusting seat is connected with one side of the fixing plate, the adjusting seat is perpendicular to the fixing plate, and the adjusting seat is located on one side of the second through hole. The laser coding unit comprises a laser and a laser refractor. The laser is connected with the other end of the fixing plate, the laser refractor is connected with one end of the laser, which emits laser, the laser refractor is positioned above the first through hole, and the exit port of the laser refractor is arranged corresponding to the first through hole. The camera is arranged on the adjusting seat, the lens of the camera is positioned above the second through hole, and the camera is used for identifying a marking point on the PCB. The camera sets up on adjusting the seat, adjusts the seat and sets up with the fixed plate is perpendicular, can install the camera fast and adjust, has improved the efficiency of installation. The exit port of the laser refractor is arranged corresponding to the first through hole, and the lens of the camera is positioned above the second through hole, so that the marking point on the PCB can be conveniently identified, and the stability of the support and the marking precision are obviously improved. This laser marking machine has installed arbitrary coding device of above-mentioned, also is showing the stability that has improved the support and beats the precision of mark, has solved among the prior art because of laser marking device direct mount produce easily on Z axle linear electric motor's output rock the lower problem of precision that leads to beating the mark.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.

Fig. 1 is a schematic structural view of an embodiment of the coding device of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of a fixing unit of the coding device of the present invention.

Fig. 3 is a top view of an embodiment of the coding device according to the present invention, in which the camera is connected to the adjusting base.

Fig. 4 is a schematic structural diagram of an embodiment of the laser marking machine of the present invention.

Fig. 5 is a schematic structural diagram of an embodiment of the internal structure of the laser marking machine of the present invention.

Fig. 6 is a schematic structural diagram of an embodiment of a gantry structure of the laser marking machine of the present invention.

Fig. 7 is a schematic structural diagram of an embodiment of the first reinforcing seat of the laser marking machine of the present invention.

Fig. 8 is a schematic structural view of an embodiment of a second reinforcing seat of the laser marking machine of the present invention.

In the figure: the code printing device 10, the fixing unit 11, the fixing plate 111, the adjusting seat 112, the adjusting plate 1121, the adjusting block 1122, the supporting bar 1123, the fixing groove 1124, the adjusting groove 1125, the opening 1126, the first through hole 113, the second through hole 114, the laser code printing unit 12, the laser 121, the connecting pipe 122, the laser refractor 123, the camera 13, the body 131, the sleeve 132, the groove 133, the coaxial light source 134, the dust removal unit 14, the connector 141, the lugs 1411, the connecting box 1412, the connecting terminal 1413, and the extension pipe 142;

the laser marking machine comprises a laser marking machine 20, a machine frame 30, a gantry structure 40, a bottom plate 41, a first supporting column 421, a second supporting column 422, a third supporting column 423, a first cross beam 43, a second cross beam 44, a mounting seat 45, an X-axis guide rail 451, a first reinforcing seat 46, a first plate body 461, a second plate body 462, a first inclined support 463, a second reinforcing seat 47, a second inclined support 471, a Y-axis guide rail 48, an XY-axis moving device 50, a Y-axis lead screw 51, an X-axis lead screw 52 and a PCB conveying device 60.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the directional terms, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", refer to the orientation of the drawings, and the directional terms are used for illustration and understanding, but not for limiting the present invention.

In the drawings, elements having similar structures are denoted by the same reference numerals.

Referring to fig. 1, in the present embodiment, the marking device 10 is used for marking a PCB, and includes a fixing unit 11, a laser marking unit 12, a camera 13, and a dust removing unit 14. The laser coding unit 12 and the camera 13 are both disposed on the fixing unit 11.

Referring to fig. 2, the fixing unit 11 includes a fixing plate 111 and an adjusting base 112, and one end of the fixing plate 111 is provided with a first through hole 113 and a second through hole 114. The area of the first through hole 113 is larger than that of the second through hole 114, so that the structure is compact, and the occupied space is reduced. One end of the adjusting base 112 is connected to one side of the fixing plate 111, the adjusting base 112 is perpendicular to the fixing plate 111, and the adjusting base 112 is located at one side of the second through hole 114.

Referring to fig. 3, the adjusting base 112 includes an adjusting plate 1121, an adjusting block 1122 and a supporting bar 1123, and the lower end of the adjusting plate 1121 is connected to the fixing plate 111 by a bolt. The adjusting plate 1121 includes a first plate surface and a second plate surface, and two through fixing grooves 1124 are formed in the second plate surface, and the second plate surface is connected with the fixing plate 111 through the fixing grooves 1124 and screws. The fixing position of the second plate surface can be adjusted through the fixing grooves 1124, and the mounting efficiency is improved.

The first plate surface is perpendicular to the second through hole 114. Two through adjusting grooves 1125 are formed in the first plate surface, and one end of an adjusting block 1122 passes through the adjusting grooves 1125 through one end of a screw to fix the adjusting block 1122 to the adjusting plate 1121. The center of the adjusting block 1122 is provided with a mounting groove for fixing the camera 13. The installation and disassembly are convenient, and the position of the camera 13 and the verticality of the camera 13 can be conveniently adjusted.

The other end of adjusting block 1122 is provided with opening 1126, and opening 1126 and mounting groove intercommunication, the both sides wall of opening 1126 all are provided with the connecting hole, and the connecting hole is used for fastening camera 13 through the size of bolt adjustment opening 1126, is convenient for install camera 13.

One side of the supporting strip 1123 is fixedly connected to a side of the first board surface away from the adjusting block 1122, and is located between the two adjusting grooves 1125. The lower end face of the supporting strip 1123 is fixedly connected with the second board face, so that the perpendicularity of the first board face is guaranteed, and the first board face is prevented from being inclined and deformed. The width of the upper end of the supporting strip 1123 is smaller than that of the lower end of the supporting strip 1123, and cost is saved.

Referring to fig. 2 and 3, the camera 13 is disposed on the adjusting base 112, a lens of the camera 13 is located above the second through hole 114, and the camera 13 is used for recognizing a marking point on the PCB. The camera 13 includes a body 131 and a sleeve 132. The cross section of organism 131 sets up to the rectangle structure, and the middle part of sleeve 132 is provided with the holding tank that corresponds with organism 131, and the right angle end of holding tank sets up to convex recess 133, and recess 133 is used for placing the right angle end of organism 131, is convenient for protect camera 13 and fixed camera 13. The open 1126 end of the recess 133 is clamped against the side of the camera 13 to secure the camera 13. The outer circumference of the sleeve 132 is configured as a circular structure and the slot walls of the mounting slots are also configured as corresponding circular structures to facilitate clamping of the sleeve 132 by the adjustment block 1122.

A coaxial light source 134 is disposed below the camera 13 to make light uniformly irradiate the PCB. Provides more uniform illumination than conventional light sources, thus improving the accuracy and reproducibility of machine vision.

The laser coding unit 12 includes a laser 121, a connection pipe 122, and a laser refractor 123. The laser 121 is connected to one end of the fixing plate 111 away from the first through hole 113, one end of the connecting pipe 122 is screwed to an end of the laser 121 close to the first through hole 113, and the other end of the connecting pipe 122 is screwed to one end of the laser refractor 123. The connecting pipe 122 is used for avoiding the laser refractor 123 from the dust removing unit 14. Compact structure, reduce occupation space. The laser refractor 123 is positioned above the first through hole 113, and an exit port of the laser refractor 123 is disposed corresponding to the first through hole 113.

Referring to fig. 2, the dust removing unit 14 includes a connector 141 and an extension pipe 142. The connector 141 includes two lugs 1411, a connection housing 1412 and a connection terminal 1413. The connecting box body 1412 is hollow, and the connecting box body 1412 is located above the first through hole 113 and is arranged in a staggered manner with the laser refractor 123. One lug 1411 is provided at one side of the coupling housing 1412 and the other lug 1411 is provided at the other side of the coupling housing 1412. The connection housing 1412 is detachably connected to the fixing plate 111 by two lugs 1411. One end of the connecting terminal 1413 is connected with the side surface of the connecting box body 1412, the connecting terminal 1413 is communicated with the connecting box body 1412, and the other end of the connecting box body 1412 is connected with an external suction arm for removing smoke dust generated during marking.

One end of the extension duct 142 is connected to a lower surface of the connection case 1412, and the other end of the extension duct 142 is positioned above the PCB. The operation environment is protected, the sight of the operation is clearer, and the marking precision is improved. Wherein the horizontal section of the extension pipe 142 is provided in a rectangular structure, and the length direction of the horizontal section of the extension pipe 142 is provided along the width direction of the first through hole 113. The extension pipe 142 is provided with a diagonal plane below, which can increase the area of the air inlet, thereby improving the dust removal effect.

Referring to fig. 4 and 5, in the present embodiment, the laser marking machine 20 includes a frame 30, a gantry structure 40, an XY-axis moving device 50, a coding device 10, and a PCB conveying device 60. The housing is provided on the frame 30, which is convenient for protecting the operation safety and the operation environment. The gantry structure 40 is arranged on the rack 30, the XY-axis moving device 50 is arranged on the gantry structure 40, the XY-axis moving device 50 drives the code printing device 10 to reciprocate along the X axis or the Y axis, and the PCB conveying device 60 penetrates through the gantry structure 40 and is used for conveying PCBs. The shell is correspondingly provided with a feed inlet and a discharge outlet of the PCB.

Referring to fig. 6, in the present embodiment, the gantry structure 40 includes a bottom plate 41, a plurality of support columns, a first beam 43, a second beam 44, a mounting seat 45, a plurality of first reinforcing seats 46, and a plurality of second reinforcing seats 47. The support columns are respectively erected on two sides of the bottom plate 41 at intervals, and the lower ends of the support columns are connected with the bottom plate 41 through screws. Wherein, the lower extreme and the bottom plate 41 of support column are connected through three screw, and three screw sets up side by side, improves the fastness of connecting. The middle screw is set as a large-diameter screw, so that the connecting force is improved.

The first cross member 43 is disposed on one side of the bottom plate 41, and the first cross member 43 is connected with the upper end screws of the corresponding support columns. Wherein, the upper end of support column is connected with first crossbeam 43 through four screws, improves the efficiency of stability and installation between the two. The second beam 44 is disposed on the other side of the bottom plate 41, and the second beam 44 is screwed to the upper ends of the remaining support columns. The first beam 43 and the second beam 44 have the same structure, and the connection between the support column and the second beam 44 is also performed by four screws. The transportation and the installation of the gantry structure 40 are convenient, and the cost is reduced. The cross section areas of the first cross beam 43, the second cross beam 44 and the support columns are the same, so that the three cross section areas can be quickly aligned during installation, the installation efficiency is improved, and the stability of the gantry structure 40 can also be improved.

The first beam 43 and the second beam 44 are respectively provided with two Y-axis guide rails 48. One end of the mounting seat 45 is connected with the first cross beam 43 through one of the Y-axis guide rails 48 in a sliding manner, the other end of the mounting seat 45 is connected with the second cross beam 44 through the other Y-axis guide rail 48 in a sliding manner, and the mounting seat 45 is hollow inside and used for mounting the X-axis lead screw 52. X-axis guide rails 451 are arranged on two side edges of the mounting seat 45, a plurality of X-axis sliding blocks are arranged at the lower end of the fixing plate 111, and the fixing plate 111 is connected with the mounting seat 45 in a sliding mode through the X-axis sliding blocks and the X-axis guide rails 451. The first beam 43 is further provided with a Y-axis screw 51, and the output end of the Y-axis screw 51 is fixedly connected with the end of the mounting seat 45 and used for driving the mounting seat 45 to move repeatedly along the Y-axis guide rail 48.

In the present embodiment, the plurality of supporting columns includes two first supporting columns 421, two second supporting columns 422, and two third supporting columns 423. Both sides of the bottom plate 41 are provided with a first supporting column 421, a second supporting column 422 and a third supporting column 423, and the distance between the first supporting column 421 and the second supporting column 422 is greater than the distance between the second supporting column 422 and the third supporting column 423. The PCB conveying device 60 is disposed between the first supporting column 421 and the second supporting column 422, so that the structure is compact and the space is saved.

A first reinforcing seat 46 and a second reinforcing seat 47 are disposed between the first supporting column 421 and the bottom plate 41, and the second reinforcing seats 47 are disposed on opposite sides of the two first supporting columns 421. A first reinforcing seat 46 is arranged between the first supporting column 421 and the lower surface of the first beam 43 or the second beam 44, so as to improve the structural stability of the gantry structure 40. A gap is formed between the end faces of the upper first reinforcing seat 46 and the lower first reinforcing seat 46 of the first support column 421, so that the installation efficiency of the reinforcing blocks is improved, and a deformation space is provided for the gantry structure 40. The connection mode of the first reinforcing seat 46 on the third supporting column 423 is the same as the arrangement mode of the first reinforcing seat 46 on the first supporting column 421.

The second supporting column 422 is connected with two first reinforcing seats 46, wherein a first plate 461 of one first reinforcing seat 46 is connected with the first supporting column 421, a second plate 462 is connected with the bottom plate 41, a first plate 461 of the other first reinforcing seat 46 is connected with the first supporting column 421, and a second plate 462 is connected with the bottom plate 41, so that the stability of the gantry structure 40 is improved. Two first reinforcing seats 46 are arranged on one side of the second supporting column 422 facing the third supporting column 423, so that the space for feeding and discharging is increased.

Referring to fig. 7, in the embodiment, the first reinforcing seat 46 includes a first plate 461, a second plate 462 and a first inclined support 463, and the first plate 461 and the second plate 462 are arranged in a right-angle structure, so as to ensure the perpendicularity between the supporting column and the bottom plate 41 or the cross beam and improve the stability of the gantry structure 40. The first inclined strut 463 is arranged in a right triangle structure, one right-angled side of the first inclined strut 463 is connected with the first plate body 461, and the other right-angled side of the first inclined strut 463 is connected with the second plate body 462. A plurality of screw holes are formed in the first plate 461 and the second plate 462, and are respectively disposed on two sides of the first inclined support 463, and the plurality of first reinforcing seats 46 are used for reinforcing the connection between the supporting column and the first beam 43, between the supporting column and the second beam 44, and between the supporting column and the bottom plate 41. The first plate 461 and the second plate 462 have the same structure, so that the installation efficiency is improved. The widths of the first plate 461 and the second plate 462 are the same as the width of the support column, so that the bearing strength of the first reinforcing seat 46 is improved.

Wherein, can set up four screw holes on first plate body 461, two screw holes set up in one side of first plate body 461, and two other screw holes set up at the opposite side of first plate body 461, and four screw hole intervals set up, and the right angle limit of first bracing 463 is connected with the central axis position of first plate body 461, and it is convenient to ann tear open, is favorable to improving the fastness that first enhancement seat 46 connects.

Referring to fig. 8, two sides of the second reinforcing seat 47 are vertically disposed, one side of the second reinforcing seat 47 is disposed with two screw holes, and the other side of the second reinforcing seat 47 is disposed with a second inclined strut 471. Second bracing 471 sets up to right triangle structure, and the length on the right-angle side of second bracing 471 is less than the length on the right-angle side of second enhancement seat 47, practices thrift the cost.

Referring to fig. 2, the fixing unit 11 includes a fixing plate 111 and an adjusting base 112, and one end of the fixing plate 111 is provided with a first through hole 113 and a second through hole 114. The area of the first through hole 113 is larger than that of the second through hole 114, so that the structure is compact, and the occupied space is reduced. One end of the adjusting base 112 is connected to one end of the fixing plate 111, the adjusting base 112 is perpendicular to the fixing plate 111, and the adjusting base 112 is located at one side of the second through hole 114.

Referring to fig. 3, the adjusting base 112 includes an adjusting plate 1121, an adjusting block 1122 and a supporting bar 1123, and the lower end of the adjusting plate 1121 is connected to the fixing plate 111 by a bolt. The adjusting plate 1121 includes a first plate surface and a second plate surface, and two through fixing grooves 1124 are formed in the second plate surface, and the second plate surface is connected with the fixing plate 111 through the fixing grooves 1124 and screws. The fixing position of the second plate surface can be adjusted by the fixing groove 1124, and the installation efficiency is improved.

The first plate surface is perpendicular to the second through hole 114. Two through adjusting grooves 1125 are formed in the first plate surface, and one end of an adjusting block 1122 passes through the adjusting grooves 1125 through one end of a screw to fix the adjusting block 1122 to the adjusting plate 1121. The center of the adjusting block 1122 is provided with a mounting groove 1126, and the mounting groove 1126 is used for fixing the camera 13. The installation and disassembly are convenient, and the position of the camera 13 and the verticality of the camera 13 can be conveniently adjusted.

The other end of adjusting block 1122 is provided with the opening, opening and mounting groove 1126 intercommunication, and the open-ended both sides wall all is provided with the connecting hole, and the connecting hole is used for fastening camera 13 through the open-ended size of bolt adjustment, is convenient for install camera 13.

One side of the supporting strip 1123 is fixedly connected to a side of the first board surface away from the adjusting block 1122, and is located between the two adjusting grooves 1125. The lower end face of the supporting strip 1123 is fixedly connected with the second board face, so that the perpendicularity of the first board face is guaranteed, and the first board face is prevented from being inclined and deformed. The width of the upper end of the support strip 1123 is less than the width of the lower end of the support strip 1123, so that the cost is saved.

Referring to fig. 2 and 3, the camera 13 is disposed on the first board surface, a lens of the camera 13 is located above the second through hole 114, and the camera 13 is used for identifying a marking point on the PCB. The camera 13 includes a body 131 and a sleeve 132. The cross section of organism 131 sets up to the rectangle structure, and the middle part of sleeve 132 is provided with the holding tank that corresponds with organism 131, and the right angle end of holding tank sets up to convex recess 133, and recess 133 is used for placing the right angle end of organism 131, is convenient for protect camera 13 and fixed camera 13. The open end of the recess 133 is clamped against the side of the camera 13, which may secure the camera 13. The outer circumference of the sleeve 132 is configured in a circular configuration and the walls of the mounting slot 1126 are configured in a corresponding circular configuration to facilitate the clamping of the sleeve 132 by the adjustment block 1122.

Referring to fig. 1, the laser coding unit 12 includes a laser 121, a connecting tube 122 and a laser refractor 123. The laser 121 is connected to one end of the fixing plate 111 far away from the first through hole 113, one end of the connection pipe 122 is screwed to an end of the laser 121 close to one end of the first through hole 113, and the other end of the connection pipe 122 is screwed to one end of the laser refractor 123. The connecting pipe 122 is used for avoiding the laser refractor 123 from the dust removing unit 14. Compact structure, reduce occupation space. The laser refractor 123 is positioned above the first through hole 113, and an exit port of the laser refractor 123 is disposed corresponding to the first through hole 113.

Referring to fig. 2, the dust removing unit 14 includes a connector 141 and an extension pipe 142. The connector 141 includes two lugs 1411, a connection housing 1412, and a connection terminal 1413. The connecting box body 1412 is hollow, and the connecting box body 1412 is located above the first through hole 113 and is arranged in a staggered manner with the laser refractor 123. One lug 1411 is provided at one side of the coupling housing 1412 and the other lug 1411 is provided at the other side of the coupling housing 1412. The connection housing 1412 is detachably connected to the fixing plate 111 by two lugs 1411. One end of the connecting terminal 1413 is connected with the side surface of the connecting box body 1412, the connecting terminal 1413 is communicated with the connecting box body 1412, and the other end of the connecting box body 1412 is connected with an external suction arm for removing smoke dust generated during marking.

One end of the extension pipe 142 is connected to a lower surface of the connection case 1412, and the other end of the extension pipe 142 is positioned above the PCB. The operation environment is protected, the sight of the operation is clearer, and the marking precision is improved. Wherein the horizontal section of the extension pipe 142 is provided in a rectangular structure, and the length direction of the horizontal section of the extension pipe 142 is provided along the width direction of the first through hole 113. The extension pipe 142 is provided with a diagonal plane below, which can increase the area of the air inlet, thereby improving the dust removal effect.

During the use, PCB board conveyor 60 will wait to beat the PCB board of mark and carry and beat the sign indicating number region, and X axle lead screw 52 and Y axle lead screw 51 will beat the sign indicating number device 10 drive to the mark position of setting for. The control system drives the camera 13 to recognize mark points on the PCB, calculates errors according to the point positions recognized by the camera 13 and corrects the position of the code printing device 10 until the position is within the error range. Then, the laser 121 emits laser, and the laser passes through the laser refractor 123 and then is emitted onto the PCB to perform marking work. After marking is completed, the control system checks the marked point position through the camera 13, and after the marking is qualified, the PCB is conveyed out by the PCB conveying device 60 to carry out the next step.

In this embodiment, the utility model relates to a coding device and laser marking machine should code the device and include fixed unit, laser coding unit and camera. The fixing unit comprises a fixing plate and an adjusting seat, and a first through hole and a second through hole are formed in one end of the fixing plate. One end of the adjusting seat is connected with one side of the fixing plate, the adjusting seat is perpendicular to the fixing plate, and the adjusting seat is located on one side of the second through hole. The laser coding unit comprises a laser and a laser refractor. The laser is connected with the other end of the fixing plate, the laser refractor is connected with one end, emitting laser, of the laser, the laser refractor is located above the first through hole, and an emitting port of the laser refractor is arranged corresponding to the first through hole. The camera is arranged on the adjusting seat, the lens of the camera is positioned above the second through hole, and the camera is used for identifying a marking point on the PCB. The camera sets up on adjusting the seat, adjusts the seat and sets up with the fixed plate is perpendicular, can install the camera fast and adjust, has improved the efficiency of installation. The exit port of the laser refractor is arranged corresponding to the first through hole, and the lens of the camera is positioned above the second through hole, so that the marking point on the PCB can be conveniently identified, and the stability of the support and the marking precision are obviously improved. This laser marking machine has installed arbitrary coding device of above-mentioned, also is showing the stability that has improved the support and beats the precision of mark, has solved among the prior art because of laser marking device direct mount produce easily on Z axle linear electric motor's output rock the lower problem of precision that leads to beating the mark.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. The utility model provides a beat the sign indicating number device for beat of PCB board is beaten, its characterized in that includes:

the laser coding unit comprises a laser and a laser refractor, the laser is connected with the other end of the fixing plate, the laser refractor is connected with one end of the laser, which emits laser, of the laser, the laser refractor is positioned above the first through hole, and an exit port of the laser refractor is arranged corresponding to the first through hole; and (c) a second step of,

2. The coding device according to claim 1, wherein the adjusting seat comprises an adjusting plate and an adjusting block, and the lower end of the adjusting plate is connected with the fixing plate through a bolt; the adjusting plate comprises a first plate surface, and the first plate surface is perpendicular to the second through hole; two through adjusting grooves are formed in the first plate surface, and one end of each adjusting block penetrates through the adjusting groove through one end of a screw to fix the adjusting block on the adjusting plate; the center of regulating block is provided with the mounting groove, the mounting groove is used for installing the camera.

3. The coding device according to claim 2, wherein an opening is formed in the other end of the adjusting block, the opening is communicated with the mounting groove, connecting holes are formed in two side walls of the opening, and the connecting holes are used for adjusting the size of the opening through bolts to fasten the camera.

4. The coding device according to claim 2, wherein the camera comprises a body and a sleeve, the cross section of the body is a rectangular structure, a containing groove corresponding to the body is formed in the middle of the sleeve, a right-angled end of the containing groove is a circular arc-shaped groove, and the groove is used for placing the right-angled end of the body; the periphery of the sleeve is set to be a circular structure, and the groove wall of the mounting groove is also set to be a corresponding circular structure.

5. A coding device according to claim 1, wherein the area of the first through hole is larger than the area of the second through hole.

6. A coding device according to claim 1, further comprising a dust removal unit, the dust removal unit comprising:

the connector comprises two lugs, a connecting box body and a connecting terminal; the connecting box body is arranged in a hollow mode and is positioned above the first through hole and is arranged in a staggered mode with the laser refractor; one lug is arranged on one side of the connecting box body, and the other lug is arranged on the other side of the connecting box body; the connecting box body is detachably connected with the fixing plate through the two lugs; one end of the connecting terminal is connected with the side face of the connecting box body, the connecting terminal is communicated with the connecting box body, and the other end of the connecting box body is connected with an external suction arm and used for removing smoke dust generated during marking; and (c) a second step of,

the extension pipeline, the one end of extension pipeline with the lower surface of connecting the box is connected, the other end of extension pipeline is located the top of PCB board.

7. The coding device according to claim 6, wherein the horizontal section of the extension pipe is provided in a rectangular structure, and the length direction of the horizontal section of the extension pipe is arranged along the width direction of the first through hole; and a chamfer surface is arranged below the extension pipeline.

8. The coding device according to claim 6, wherein the laser coding unit further comprises a connecting pipe, one end of the connecting pipe is screwed with the end of the laser, and the other end of the connecting pipe is screwed with one end of the laser refractor; the connecting pipe is used for avoiding the laser refractor and the dust removal unit.

9. A coding device according to claim 1, wherein a coaxial light source is arranged below the camera for making light uniformly irradiate the PCB board.

10. A laser marking machine, comprising:

a gantry structure;

the coding device is arranged on the gantry structure and comprises the coding device of any one of the claims 1-9; and the number of the first and second groups,