CN114599149B - Double-sided precise targeting device and method for HDI board - Google Patents

Double-sided precise targeting device and method for HDI board Download PDF

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Publication number
CN114599149B
CN114599149B CN202210501914.0A CN202210501914A CN114599149B CN 114599149 B CN114599149 B CN 114599149B CN 202210501914 A CN202210501914 A CN 202210501914A CN 114599149 B CN114599149 B CN 114599149B
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China
Prior art keywords
plate
hdi
positioning
positioning table
target
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CN114599149A (en
Inventor
李清华
邓岚
胡志强
张仁军
杨海军
孙洋强
牟玉贵
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Inno Circuits Ltd
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Inno Circuits Ltd
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Publication of CN114599149A publication Critical patent/CN114599149A/en
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0266—Marks, test patterns or identification means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0011—Working of insulating substrates or insulating layers
    • H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
    • H05K3/0047—Drilling of holes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/01—Tools for processing; Objects used during processing
    • H05K2203/0147—Carriers and holders
    • H05K2203/0165—Holder for holding a Printed Circuit Board [PCB] during processing, e.g. during screen printing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
    • H05K2203/0214—Back-up or entry material, e.g. for mechanical drilling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/15—Position of the PCB during processing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/15—Position of the PCB during processing
    • H05K2203/1572—Processing both sides of a PCB by the same process; Providing a similar arrangement of components on both sides; Making interlayer connections from two sides
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/16—Inspection; Monitoring; Aligning
    • H05K2203/167—Using mechanical means for positioning, alignment or registration, e.g. using rod-in-hole alignment

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Drilling And Boring (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a device and a method for double-sided precise targeting of an HDI plate, which relate to the technical field of double-sided targeting of the HDI plate, and comprise a workbench and a portal frame fixedly arranged on the workbench, wherein a limiting plate is fixedly arranged on the top surface of a positioning table and positioned on the front edge of the positioning table, jacking cylinders fixedly arranged on the positioning table are respectively arranged right below two guide holes, and floating columns slidably arranged in the guide holes are fixedly arranged on the action ends of piston rods of the jacking cylinders; an automatic feeding device positioned at the rear side of the positioning table is arranged on the workbench, and material lifting and conveying devices are arranged on the cross beam of the portal frame and positioned at the left side and the right side of the positioning table. The invention has the beneficial effects that: the working strength of workers is reduced, the HDI board targeting efficiency is greatly improved, and the HDI board drilling efficiency is greatly improved.

Description

Double-sided precise targeting device and method for HDI board
Technical Field
The invention relates to the technical field of double-sided target shooting of an HDI (high Density interconnection) plate, in particular to a double-sided precise target shooting device and method for the HDI plate.
Background
Electronic component assemblies including single-sided circuit boards, double-sided circuit boards, HDI boards, multilayer printed circuit boards, printed boards, and the like, which are core components of controllers, can play an important role. The HDI board is used as a core component of the vehicle controller, and a plurality of blind holes are required to be drilled on the front surface and the back surface of the HDI board in the production process of the HDI board.
The existing working steps of drilling on the HDI plate are as follows: the HDI board is firstly positioned on a positioning table of the target shooting machine by a worker, targets are shot on the front surface and the reverse surface of the HDI board by a target shooting head of the target shooting machine, then the HDI board with the targets is conveyed to a drilling station of drilling equipment by the worker, the targets on the top surface of the HDI board are recognized by a CCD lens on the drilling equipment, then a drill bit on the drilling equipment is positioned at the target, the drill bit starts to drill from the target, so that an upper blind hole is drilled on the top surface of the HDI board, after drilling, the HDI board is turned by the worker, after turning, the target on the bottom surface of the HDI board is recognized by the CCD lens on the drilling equipment, after recognition, the drill bit on the drilling equipment is used for positioning the target, the drill bit starts to drill from the target, so that a lower blind hole is drilled on the bottom surface of the HDI board, and the operation is repeated, and the drilling processing of a plurality of HDI boards can be realized.
However, although this method of drilling blind holes in the front and back surfaces of an HDI board can achieve drilling, in an actual production process, the following technical drawbacks are still reflected:
I. the HDI plates to be drilled need to be manually positioned on the positioning table of the target drone one by one, which undoubtedly increases the working strength of workers, increases the labor cost, and is not favorable for batch production of the HDI plates.
II. The target head of the target shooting machine is arranged above the HDI board, and after the front target shooting is finished, a worker is required to turn over the HDI board so as to shoot a target on the reverse side, so that the time for marking the target is increased undoubtedly, and the production efficiency of the HDI board is further reduced.
III, after marking the target, the workman directly drags away the HDI board from the location bench of target drone, drags the in-process, and the target that contacts with the location bench is scratched, even the target is fuzzy unclear to lead to subsequent drilling equipment can't fix a position according to fuzzy target, only can shut down the returning charge again, target again, this is undoubtedly that further increase the target time, further reduction the production efficiency of HDI board. Therefore, a device which reduces the working intensity of workers, greatly improves the HDI board targeting efficiency and greatly improves the HDI board drilling efficiency is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device and a method for double-sided precise target shooting of an HDI plate, which have the advantages of compact structure, reduced working strength of workers, greatly improved HDI plate target shooting efficiency and greatly improved HDI plate drilling efficiency.
The purpose of the invention is realized by the following technical scheme: a double-sided precise targeting device for an HDI plate comprises a workbench and a portal frame fixedly arranged on the workbench, wherein a positioning table is arranged above the workbench, a through groove is formed in the middle of the positioning table, a limiting plate is fixedly arranged on the top surface of the positioning table and positioned on the front edge of the positioning table, two guide holes which are arranged diagonally are formed in the top surface of the positioning table, jacking cylinders fixedly arranged on the positioning table are arranged under the two guide holes, and floating columns slidably arranged in the guide holes are fixedly arranged on the action ends of piston rods of the jacking cylinders;
the automatic feeding device is arranged on the rear side of the positioning table, the lifting and conveying devices are arranged on the cross beam of the portal frame and on the left side and the right side of the positioning table, each lifting and conveying device comprises two lifting oil cylinders fixedly arranged on the cross beam of the portal frame, piston rods of the lifting oil cylinders penetrate through the cross beam, an L plate is fixedly arranged on the extending end of each lifting oil cylinder, a roller conveying device which is longitudinally arranged is arranged on the horizontal plate of the L plate, and the two roller conveying devices are respectively arranged on the left side and the right side of the positioning table;
the automatic shooting machine is characterized in that a shooting machine A is arranged on the top surface of the workbench and located under the through groove, a shooting head of the shooting machine A is arranged towards the direction, a groove body is formed in a cross beam of the portal frame, a shooting machine B installed on the top surface of the cross beam is arranged over the groove body, and the shooting head of the shooting machine B penetrates through the groove body.
Automatic feeding device is including setting firmly location storehouse and the board in the location platform rear side in order, and the outline of location storehouse inner chamber cooperatees with the outline of HDI board, and the top and the bottom in location storehouse all are provided with the opening, and the bottom opening in location storehouse runs through the workstation setting, and the top of board is installed and is pushed away the material cylinder, pushes away the effect of material piston rod and serves and has set firmly the push pedal, and the push pedal sets up in the top in location storehouse towards limiting plate setting and push pedal.
The automatic feeding device further comprises an electric cylinder fixedly arranged on the workbench, the electric cylinder is arranged below the machine table, a piston rod of the electric cylinder penetrates through the workbench, a jacking plate is fixedly arranged on the extending end, a connecting column is fixedly arranged on the jacking plate, the connecting column extends into the positioning bin from bottom to top, and a lifting plate is fixedly arranged on the extending end.
The bottom surface of the positioning table is fixedly provided with a plurality of connecting plates which are fixedly arranged on the top surface of the workbench.
And a plurality of supporting legs supported on the ground are fixedly arranged on the bottom surface of the workbench.
The rack of the roller conveying device is longitudinally arranged and welded on the top surface of the L-shaped plate horizontal plate.
The two lifting and conveying devices are arranged symmetrically left and right relative to the positioning table.
The double-sided precise target shooting device further comprises a controller, and the controller is electrically connected with the electromagnetic valve of the lifting oil cylinder, the roller conveying device, the electromagnetic valve of the material pushing cylinder, the electromagnetic valve of the lifting oil cylinder and the electric cylinder.
A double-sided precision targeting method for HDI plates comprises the following steps:
s1, stacking a plurality of HDI plates to be targeted by workers, ensuring that the outer end faces of the HDI plates are flush with each other, drilling positioning holes in the HDI plates by the workers in advance by using drilling equipment, and ensuring that the diameters of the positioning holes are equal to the outer diameter of the floating column;
s2, placing a plurality of HDI plates drilled with positioning holes into the positioning bin from top to bottom by a worker, and stacking the HDI plates on the top surfaces of the lifting plates, so that the HDI plates are preloaded;
s3, jacking the first HDI plate, controlling a piston rod of the electric cylinder to retract upwards for a stroke by a worker, driving the jacking plate to move upwards by the piston rod, driving the connecting column to move upwards by the jacking plate, driving the lifting plate to move upwards by the connecting column, and controlling the electric cylinder to be closed by the controller when the retracting stroke of the piston rod is equal to the thickness of the HDI plate, wherein the HDI plate at the topmost layer is exposed outside the positioning bin, so that the first HDI plate is jacked;
s4, positioning a first HDI plate, wherein a worker controls a piston rod of a material pushing cylinder to extend, the piston rod drives a push plate to extend, the push plate moves the first HDI plate towards a limiting plate, after the piston rod of the material pushing cylinder extends completely, the HDI plate is pressed between the limiting plate and the push plate, and therefore positioning of the first HDI plate is achieved, the bottom surface of the HDI plate is supported on the top surface of a positioning table, two positioning holes in the HDI plate are located right above two floating columns respectively, the left edge and the right edge of the HDI plate extend to the outside of the positioning table, and the left edge and the right edge of the HDI plate are located right above rollers of two roller conveying devices respectively;
s5, fixing the first HDI plate, controlling piston rods of two jacking cylinders to extend upwards by workers, driving floating columns to move upwards along guide holes by the piston rods, and embedding the floating columns into positioning holes of the HDI plate after the piston rods of the jacking cylinders extend completely, so that the HDI plate is fixed on a positioning table through the two floating columns;
s6, a worker opens the target shooting machine A and the target shooting machine B, the target shooting head of the target shooting machine A shoots a target at the designed position of the bottom surface of the HDI board, and the target shooting head of the target shooting machine B shoots a target at the designed position of the top surface of the HDI board;
s7, after the target is hit, a worker controls piston rods of the two lifting oil cylinders to synchronously retract, the piston rods drive the L plate to move upwards, the L plate drives the roller conveying device to synchronously move upwards, a roller on the left roller conveying device lifts the left edge of the HDI plate, a roller on the right roller conveying device lifts the right edge of the HDI plate, and after the piston rods of the lifting oil cylinders completely extend, the HDI plate which has hit the target is located above the positioning table; at the moment, controlling the two roller conveying devices to start simultaneously, and conveying the HDI plate forwards by the rotating roller so as to convey the HDI plate into a drilling station of the drilling equipment;
and S8, repeating the operations of the steps S3-S7, and continuously performing double-sided targeting on the HDI plate in the positioning bin.
The invention has the following advantages: compact structure, alleviate workman working strength, greatly improve HDI board efficiency of shooing, greatly improve HDI board drilling efficiency.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 2;
FIG. 4 is a schematic view of two positioning holes drilled in the HDI plate;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic diagram of the HDI board with the positioning hole being drilled being pre-loaded into the positioning bin;
FIG. 7 is a cross-sectional view C-C of FIG. 6;
FIG. 8 is a schematic view of jacking up an HDI board of a top layer;
FIG. 9 is a schematic view of positioning a first HDI plate;
FIG. 10 is a cross-sectional view D-D of FIG. 9;
FIG. 11 is a schematic view of a first HDI plate being secured;
FIG. 12 is a schematic view of the HDI plate after the target is hit being lifted;
in the figure, 1-workbench, 2-gantry, 3-positioning table, 4-through groove, 5-limiting plate, 6-jacking cylinder, 7-floating column, 8-automatic feeding device, 9-lifting and conveying device, 10-lifting oil cylinder, 11-L plate, 12-roller conveying device, 13-shooting machine A, 14-trough body, 15-shooting machine B, 16-positioning bin, 17-machine table, 18-pushing cylinder, 19-pushing plate, 20-electric cylinder, 21-jacking plate, 22-connecting column, 23-lifting plate, 24-connecting plate, 25-roller, 26-positioning hole and 27-HDI plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 1-3, a device that is used for two-sided accurate targets of HDI board, it includes workstation 1, sets firmly portal frame 2 on workstation 1, has set firmly a plurality of supporting legs that support in subaerial on the basal surface of workstation 1, the top of workstation 1 is provided with location platform 3, and logical groove 4 has been seted up at the middle part of location platform 3, and the limiting plate 5 has been set firmly on locating platform 3's the top surface and being located its front edge, sets up two guiding holes that are the diagonal angle setting on locating platform 3's the top surface, all is provided with the jacking cylinder 6 that sets firmly on locating platform 3 under two guiding holes, sets firmly floating column 7 in the guiding hole of slidable mounting on the effect end of jacking cylinder 6 piston rod.
The automatic feeding device 8 positioned on the rear side of the positioning table 3 is arranged on the workbench 1, the material lifting and conveying devices 9 are arranged on the cross beam of the portal frame 2 and positioned on the left side and the right side of the positioning table 3, the two material lifting and conveying devices 9 are arranged in bilateral symmetry relative to the positioning table 3, each material lifting and conveying device 9 comprises two lifting oil cylinders 10 fixedly arranged on the cross beam of the portal frame 2, piston rods of the lifting oil cylinders 10 penetrate through the cross beam and are provided with L plates 11 fixedly arranged on the extending ends of the piston rods, roller conveying devices 12 longitudinally arranged are arranged on the horizontal plates of the L plates 11, racks of the roller conveying devices 12 are longitudinally arranged and welded on the top surfaces of the horizontal plates of the L plates 11, and the two roller conveying devices 12 are respectively arranged on the left side and the right side of the positioning table 3; a plurality of connecting plates 24 are fixedly arranged on the bottom surface of the positioning table 3, and the connecting plates 24 are fixedly arranged on the top surface of the workbench 1; the top surface of the workbench 1 is provided with a target shooting machine A13 under the through groove 4, a target shooting head of a target shooting machine A13 faces towards the device, a cross beam of the portal frame 2 is provided with a groove body 14, a target shooting machine B15 arranged on the top surface of the cross beam is arranged over the groove body 14, and a target shooting head of a target shooting machine B15 penetrates through the groove body 14.
The automatic feeding device 8 comprises a positioning bin 16 and a machine table 17 which are fixedly arranged at the rear side of the positioning table 3 in sequence, the outer contour of the inner cavity of the positioning bin 16 is matched with the outer contour of the HDI plate, openings are formed in the top and the bottom of the positioning bin 16, the opening in the bottom of the positioning bin 16 penetrates through the workbench 1, a material pushing cylinder 18 is arranged at the top of the machine table 17, a push plate 19 is fixedly arranged on the action end of a piston rod of the material pushing cylinder 18, the push plate 19 is arranged towards the limiting plate 5, and the push plate 19 is arranged above the positioning bin 16, the automatic feeding device 8 further comprises an electric cylinder 20 fixedly arranged on the workbench 1, the electric cylinder 20 is arranged below the machine table 17, a piston rod of the electric cylinder 20 penetrates through the workbench 1, and the extending end is fixedly provided with a jacking plate 21, the jacking plate 21 is fixedly provided with a connecting column 22, the connecting column 22 extends into the positioning bin 16 from bottom to top, and the extending end is fixedly provided with a lifting plate 23.
The double-sided precise target shooting device further comprises a controller, the controller is electrically connected with the electromagnetic valve of the lifting oil cylinder 10, the roller conveying device 12, the electromagnetic valve of the material pushing cylinder 18, the electromagnetic valve of the lifting oil cylinder 10 and the electric cylinder 20, the controller can control the extension or retraction of the piston rods of the lifting oil cylinder 10, the material pushing cylinder 18, the lifting oil cylinder 10 and the electric cylinder 20, and meanwhile, the roller conveying device 12 can be controlled to be started or closed, so that the double-sided precise target shooting device is convenient for workers to operate, and has the characteristic of high automation degree.
A double-sided precision targeting method for HDI plates comprises the following steps:
s1, stacking a plurality of HDI plates to be targeted by a worker, ensuring that the outer end faces of the HDI plates 27 are flush with each other, drilling positioning holes 26 on the HDI plates 27 and at two ends of the HDI plates in advance by the worker through drilling equipment, ensuring that the diameters of the positioning holes 26 are equal to the outer diameter of the floating column 7, and enabling the HDI plates to have the structure shown in FIGS. 4-5 after drilling;
s2, placing a plurality of HDI plates 27 drilled with the positioning holes 26 into the positioning bin 16 from top to bottom by a worker, and stacking the HDI plates 27 on the top surface of the lifting plate 23, so that pre-loading of the HDI plates is realized, as shown in FIGS. 6-7;
s3, jacking the first HDI plate, controlling a piston rod of the electric cylinder 20 to retract upwards for a stroke by a worker, driving the jacking plate 21 to move upwards by the piston rod, driving the connecting column 22 to move upwards by the jacking plate 21, driving the lifting plate 23 to move upwards synchronously by the connecting column 22, controlling the electric cylinder 20 to be closed by the controller when the retracting stroke of the piston rod is equal to the thickness of the HDI plate, and exposing the HDI plate 27 at the topmost layer outside the positioning bin 16, so that jacking of the first HDI plate is realized, as shown in FIG. 8;
s4, positioning a first HDI plate, wherein a worker controls a piston rod of a pushing cylinder 18 to extend, the piston rod drives a push plate 19 to extend, the push plate 19 moves the first HDI plate 27 towards a direction of a limiting plate 5, after the piston rod of the pushing cylinder 18 extends completely, the HDI plate 27 is pressed between the limiting plate 5 and the push plate 19, and therefore positioning of the first HDI plate 27 is achieved, as shown in figures 9-10, the bottom surface of the HDI plate 27 is supported on the top surface of a positioning table 3, two positioning holes 26 in the HDI plate 27 are located right above two floating columns 7 respectively, the left edge and the right edge of the HDI plate 27 extend to the outside of the positioning table 3, and the left edge and the right edge of the HDI plate 27 are located right above rollers 25 of two roller conveying devices 12 respectively;
s5, fixing the first HDI plate, controlling piston rods of the two jacking cylinders 6 to extend upwards by a worker, driving the floating columns 7 to move upwards along the guide holes by the piston rods, embedding the floating columns 7 into the positioning holes 26 of the HDI plate 27 after the piston rods of the jacking cylinders 6 extend completely, and fixing the HDI plate 27 on the positioning table 3 through the two floating columns 7 as shown in FIG. 11;
s6, the worker opens the A13 and B15, the head of A13 shoots the target at the designed position on the bottom surface of HDI plate 27, and the head of B15 shoots the target at the designed position on the top surface of HDI plate 27; in this step S6, the precision targeting apparatus achieves simultaneous targeting of the top surface and the bottom surface of the HDI board 27, which undoubtedly shortens the time for targeting compared to the conventional targeting of turning over after one target is hit, thereby greatly improving the production efficiency of the HDI board.
S7, after the target is hit, a worker controls the piston rods of the two lift cylinders 10 to retract synchronously, the piston rods drive the L plate 11 to move upwards, the L plate 11 drives the roller conveying device 12 to move upwards synchronously, the roller 25 on the left roller conveying device 12 lifts the left edge of the HDI plate 27, meanwhile, the roller 25 on the right roller conveying device 12 lifts the right edge of the HDI plate 27, and as shown in FIG. 12, after the piston rods of the lift cylinders 10 extend completely, the HDI plate 27 which has hit the target is located above the positioning table 3; at the moment, the two roller conveying devices 12 are controlled to be started simultaneously, and the rotating roller 25 conveys the HDI plate 27 forwards to convey the HDI plate 27 into a drilling station of the drilling equipment; in step S7, the left and right outer edges of the HDI plate 27 on which the target is printed are respectively jacked up by the two lifting and conveying devices 9, and then conveyed to the drilling station by the roller 25, and the target on the bottom surface of the HDI plate 27 does not rub against the top surface of the positioning table 3 during the conveying process, so that the target on the bottom surface of the HDI plate is prevented from being scratched, the target is well protected, and the target can be accurately identified by subsequent drilling equipment, so that subsequent rework is not needed, the quality of the target is improved, and the production efficiency of the HDI plate is also improved;
s8, repeating the operations of the steps S3-S7, and thus, continuously performing double-sided targeting on the HDI plate in the positioning bin 16. Consequently, this accurate device of targetting has realized the automatic feeding to the HDI board through automatic feeding device 8, need not artifical material loading one by one to very big work strength that has alleviateed the workman, and then very big improvement the efficiency of the target of targetting of HDI board. In addition, all HDI boards are all fixed a position through limiting plate 5 and push pedal 19 earlier, and fixed through two unsteady posts 7, and the location is the same with fixed mode to guaranteed that the position of target is all unanimous on each HDI board 27, thereby very big improvement target quality of beating.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (1)

1. A double-sided precise targeting method for an HDI plate adopts a double-sided precise targeting device, the device comprises a workbench (1) and a portal frame (2) fixedly arranged on the workbench (1), a positioning table (3) is arranged above the workbench (1), a through groove (4) is formed in the middle of the positioning table (3), a limiting plate (5) is fixedly arranged on the top surface of the positioning table (3) and positioned on the front edge of the positioning table, two guide holes which are diagonally arranged are formed in the top surface of the positioning table (3), a jacking cylinder (6) fixedly arranged on the positioning table (3) is arranged under each of the two guide holes, and a floating column (7) which is slidably arranged in each guide hole is fixedly arranged on the action end of a piston rod of each jacking cylinder (6);
the automatic feeding device (8) located on the rear side of the positioning table (3) is arranged on the workbench (1), the lifting and conveying devices (9) are arranged on the cross beam of the portal frame (2) and located on the left side and the right side of the positioning table (3), each lifting and conveying device (9) comprises two lifting oil cylinders (10) fixedly arranged on the cross beam of the portal frame (2), piston rods of the lifting oil cylinders (10) penetrate through the cross beam and are fixedly provided with an L plate (11) at the extending end, roller conveying devices (12) longitudinally arranged are arranged on the horizontal plate of the L plate (11), and the two roller conveying devices (12) are respectively arranged on the left side and the right side of the positioning table (3);
a target shooting machine A (13) is arranged on the top surface of the workbench (1) and located right below the through groove (4), a target shooting head of the target shooting machine A (13) is arranged towards the direction, a cross beam of the portal frame (2) is provided with a groove body (14), a target shooting machine B (15) installed on the top surface of the cross beam is arranged right above the groove body (14), and a target shooting head of the target shooting machine B (15) penetrates through the groove body (14); the automatic feeding device (8) comprises a positioning bin (16) and a machine table (17) which are fixedly arranged on the rear side of the positioning table (3) in sequence, the outer contour of an inner cavity of the positioning bin (16) is matched with the outer contour of the HDI plate, openings are formed in the top and the bottom of the positioning bin (16), the bottom opening of the positioning bin (16) penetrates through the workbench (1) to be arranged, a material pushing cylinder (18) is installed at the top of the machine table (17), a push plate (19) is fixedly arranged on the action end of a piston rod of the material pushing cylinder (18), the push plate (19) faces the limiting plate (5) and the push plate (19) is arranged above the positioning bin (16); the automatic feeding device (8) further comprises an electric cylinder (20) fixedly arranged on the workbench (1), the electric cylinder (20) is arranged below the machine table (17), a piston rod of the electric cylinder (20) penetrates through the workbench (1), a lifting plate (21) is fixedly arranged on the extending end, a connecting column (22) is fixedly arranged on the lifting plate (21), the connecting column (22) extends into the positioning bin (16) from bottom to top, and a lifting plate (23) is fixedly arranged on the extending end; the bottom surface of the positioning table (3) is fixedly provided with a plurality of connecting plates (24), and the connecting plates (24) are fixedly arranged on the top surface of the workbench (1); a plurality of support legs supported on the ground are fixedly arranged on the bottom surface of the workbench (1); the rack of the roller conveying device (12) is longitudinally arranged and welded on the top surface of the horizontal plate of the L-shaped plate (11); the two lifting and conveying devices (9) are arranged symmetrically left and right relative to the positioning table (3); the device of two-sided accurate target practice still includes the controller, the controller is connected its characterized in that with solenoid valve, cylinder conveyor (12) of lift cylinder (10), the solenoid valve of pushing away material cylinder (18), the solenoid valve and the electric jar (20) electricity of lift cylinder (10): the method comprises the following steps:
s1, stacking a plurality of HDI plates to be targeted by a worker, ensuring that the outer end faces of the HDI plates (27) are flush with each other, drilling positioning holes (26) on the HDI plates (27) and at two ends of the HDI plates in advance by the worker through drilling equipment, and ensuring that the diameters of the positioning holes (26) are equal to the outer diameter of the floating column (7);
s2, placing a plurality of HDI plates (27) drilled with positioning holes (26) into the positioning bin (16) from top to bottom by a worker, and stacking the HDI plates (27) on the top surface of the lifting plate (23) so as to realize the pre-loading of the HDI plates;
s3, jacking the first HDI plate, controlling a piston rod of the electric cylinder (20) to retract upwards for a certain stroke by a worker, driving the jacking plate (21) to move upwards by the piston rod, driving the connecting column (22) to move upwards by the jacking plate (21), driving the lifting plate (23) to synchronously move upwards by the connecting column (22), controlling the electric cylinder (20) to close by the controller when the retracting stroke of the piston rod is equal to the thickness of the HDI plate, and exposing the HDI plate (27) at the topmost layer outside the positioning bin (16) at the moment, so that the first HDI plate is jacked;
s4, positioning a first HDI plate, controlling a piston rod of a pushing cylinder (18) to extend by a worker, driving a push plate (19) to extend by the piston rod, enabling the first HDI plate (27) to move towards a limiting plate (5) by the push plate (19), enabling the HDI plate (27) to be pressed between the limiting plate (5) and the push plate (19) after the piston rod of the pushing cylinder (18) completely extends out, so that the positioning of the first HDI plate (27) is realized, supporting the bottom surface of the HDI plate (27) on the top surface of a positioning table (3), enabling two positioning holes (26) on the HDI plate to be respectively positioned right above two floating columns (7), simultaneously enabling the left edge and the right edge of the HDI plate (27) to extend to the outside of the positioning table (3), and enabling the left edge and the right edge of the HDI plate (27) to be respectively positioned right above rollers (25) of two roller conveying devices (12);
s5, fixing the first HDI plate, controlling piston rods of two jacking cylinders (6) to extend upwards by a worker, driving floating columns (7) to move upwards along guide holes by the piston rods, and embedding the floating columns (7) into positioning holes (26) of the HDI plate (27) after the piston rods of the jacking cylinders (6) extend completely, so that the HDI plate (27) is fixed on the positioning table (3) through the two floating columns (7);
s6, opening the target drone A (13) and the target drone B (15) by a worker, wherein the target drone A (13) shoots the target at the designed position of the bottom surface of the HDI plate (27), and the target drone B (15) shoots the target at the designed position of the top surface of the HDI plate (27);
s7, after the target is hit, a worker controls piston rods of two lifting oil cylinders (10) to retract synchronously, the piston rods drive an L plate (11) to move upwards, the L plate (11) drives a roller conveying device (12) to move upwards synchronously, a roller (25) on the left roller conveying device (12) lifts the left edge of an HDI plate (27), a roller (25) on the right roller conveying device (12) lifts the right edge of the HDI plate (27), and after the piston rods of the lifting oil cylinders (10) extend completely, the HDI plate (27) which has hit the target is located above a positioning table (3); controlling two roller conveying devices (12) to be started simultaneously, and conveying the HDI plate (27) forwards by a rotating roller (25) so as to convey the HDI plate (27) into a drilling station of the drilling equipment;
s8, repeating the operations of the steps S3-S7, and then continuously performing double-sided targeting on the HDI plate in the positioning bin (16).
CN202210501914.0A 2022-05-10 2022-05-10 Double-sided precise targeting device and method for HDI board Active CN114599149B (en)

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