CN112157720A

CN112157720A - Positioning device for drilling of circuit board

Info

Publication number: CN112157720A
Application number: CN202011013806.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-01-01

Abstract

The invention discloses a positioning device for drilling a circuit board, and particularly relates to the technical field of drilling equipment. According to the invention, the exhaust fan, the suction nozzle, the collecting box, the collecting tank, the guide pipe, the clamping block and the clamping groove are arranged, when the device is used, the exhaust fan is started, the exhaust fan sucks the fragments generated in the drilling process into the guide pipe through the suction nozzle, the fragments and the dust generated in the drilling process are guided into the collecting box through the guide pipe, the fragments and the dust fall into the collecting tank arranged at the bottom inside the collecting box, after the device is completed, the collecting tank is pulled outwards through the clamping block and the clamping groove, the fragments and the dust accumulated in the collecting tank are treated uniformly, the air pollution caused by the dust and the dust is avoided, and the.

Description

Positioning device for drilling of circuit board

Technical Field

The invention relates to the technical field of drilling equipment, in particular to a positioning device for drilling a circuit board.

Background

Along with more and more circuit boards are applied, drilling of the circuit boards is necessary to be performed in the production and manufacturing process, subsequent processing and manufacturing of the circuit boards are facilitated, the circuit boards need to be fixed on a specified position before drilling operation, and therefore the positioning device for drilling is provided, drilling operation is facilitated, the existing positioning device for drilling still has some problems, usually, only one drill bit is arranged, drilling is performed on partial places, and efficiency is low.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved:

(1) the traditional positioning device for drilling only adopts a single drill bit to operate, so that the working efficiency of the device is greatly reduced;

(2) according to the traditional positioning device for drilling, chips generated after drilling are inconvenient to clean, and the quality of surrounding air is reduced due to the chips and dust;

(3) the traditional positioning device for drilling is generally used for limiting an object and fixing the object at a specified position by adopting screws, so that the limiting distance is inconvenient to adjust according to the specification of the object;

(4) the traditional positioning device for drilling is inconvenient to adjust the drilling depth of the drill bit downwards, generally adopts a cylinder, and has a single structure and insufficient stability;

(5) traditional positioner for drilling uses the back for a long time, and adjustment height department, wearing and tearing are more serious, influence the life of device.

Disclosure of Invention

The invention aims to provide a positioning device for drilling a circuit board, which aims to solve the problem that the working efficiency of the device is greatly reduced by only adopting a single drill bit to perform operation in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a positioning device for drilling a circuit board comprises a workbench, wherein support legs are fixedly connected to two sides of the bottom end of the workbench, support plates are fixedly connected to two sides of the top end of the workbench, anti-abrasion structures are arranged on two sides of the top end of the support plates, a moving rod is arranged between the top ends of the support plates, adjusting mechanisms are arranged on two sides of the moving rod, a dust removing mechanism is arranged on one side of the bottom end of each support leg, a limiting mechanism is arranged at the bottom end of the workbench, a board to be processed is arranged at the top end of the limiting mechanism, and a drilling mechanism is arranged in the middle position of the top end;

drilling mechanism includes driving motor, driving motor fixed connection is in the intermediate position department of carriage release lever bottom, driving motor's output is connected with the universal driving shaft, the top fixedly connected with second gear of universal driving shaft, the both sides of second gear are provided with first gear, the bottom fixedly connected with drilling rod of first gear, and the bottom of drilling rod run through in the bottom of carriage release lever, the bottom fixedly connected with drill bit of drilling rod.

Preferably, a gear block with the same size as the second gear is arranged outside the first gear, and the first gear and the second gear are in meshed connection.

Preferably, dust removal mechanism comprises air exhauster, suction nozzle, collecting box, collecting vat, pipe, fixture block and draw-in groove, the collecting box passes through connecting piece fixed connection in one side of stabilizer blade, the both sides fixedly connected with draw-in groove of the inside bottom of collecting box, be provided with the collecting vat between the draw-in groove, and the both sides fixedly connected with fixture block of collecting vat, the pipe has been run through on the inside top of collecting box, the top of pipe sets up the bottom at the workstation, connecting piece fixed connection is passed through in the bottom of workstation in one side of pipe, four groups of suction nozzles of one side fixedly connected with on pipe top, one side of pipe bottom is provided with the air exhauster.

Preferably, the width of the inside of the clamping groove is larger than the width of the outside of the clamping block, and the clamping block and the clamping groove are in sliding connection.

Preferably, stop gear comprises spacing bolt, limiting plate, mount pad, threaded rod, slide rail connection seat, driven awl tooth, first servo motor and initiative awl tooth, the mount pad sets up the below at the workstation, the horizontal fixedly connected with threaded rod in the inside top of mount pad, the inside bottom fixedly connected with slide rail connection seat of mount pad, the both sides of threaded rod are provided with the limiting plate, the bottom of limiting plate sets up the top at slide rail connection seat, the top of limiting plate runs through in the inside of workstation and extends to the top of workstation, the first servo motor of one side fixedly connected with of slide rail connection seat bottom, the bottom fixed connection of coupling ware and initiative awl tooth is passed through on first servo motor's top, one side of initiative awl tooth is provided with driven awl tooth.

Preferably, the threaded rod is provided with two sets of threads with opposite directions, and the bottom end of the mounting seat and the bottom end of the workbench are located on the same horizontal line.

Preferably, adjustment mechanism comprises slide, spacing cover piece, lead screw, driving gear, second servo motor, driven gear and fixing base, spacing cover piece is provided with two sets ofly and fixed connection in the both sides of carriage release lever, the inside of spacing cover piece is provided with the lead screw, one side of spacing cover piece is provided with the slide, the bottom of lead screw runs through in the inside of fixing base and extends to the top of driven gear, fixing base fixed connection is in the both sides on backup pad top, the opposite side fixedly connected with second servo motor of fixing base, one side of second servo motor is connected with one side of driving gear through the coupling, the driving gear sets up the one side on driven gear top.

Preferably, the inner side wall of the limiting sleeve block is provided with an internal thread, and the outer side wall of the screw rod is provided with an external thread matched with the internal thread.

Preferably, the abrasionproof decreases the structure and comprises spout, slot, ball and hollow chamber, the spout is provided with both sides and runs through in the top of backup pad, the inside both sides fixedly connected with slot of spout, the inside of slot is provided with the ball, the inside hollow chamber that forms of spout.

Preferably, the diameter of the balls is smaller than that of the rolling grooves, and the balls are arranged in the rolling grooves at equal intervals.

Compared with the prior art, the invention has the beneficial effects that: the positioning device for drilling the circuit board not only realizes the operation by adopting a plurality of drill bits, improves the working efficiency of the device, realizes that scraps generated after drilling are convenient to clean, increases the applicable energy conservation and environmental protection, realizes the adjustment of the spacing distance according to the specification, improves the practicability of the structure, realizes the adjustment of the downward drilling depth of the drill bits, has stable structure, reduces the abrasion at the height adjustment position and prolongs the service life of the device;

(1) when the device is used, when the drill bit is adjusted to the surface of a plate to be processed, the driving motor is started, the driving motor drives the second gear to rotate through the linkage shaft, the second gear is meshed with the first gear, the first gear is driven to rotate along with the rotation of the second gear, the bottom of the first gear is connected with the drill bit through the drill rod, two groups of drill bits are arranged, two holes can be drilled at one time, after one edge is finished, the angle of the plate to be processed is adjusted, the hole is drilled at the appointed position of the plate to be processed, the efficiency is higher than that of a single drill bit, the overall stability of the structure is high due to the adoption of the second gear and the first gear, and the working efficiency of the device is improved;

(2) the suction device is provided with the exhaust fan, the suction nozzle, the collecting box, the collecting tank, the guide pipe, the clamping block and the clamping groove, when the suction device is used, the exhaust fan is started, fragments generated in the drilling process are sucked into the guide pipe through the suction nozzle, the fragments and dust are guided into the collecting box through the guide pipe, the fragments and the dust fall into the collecting tank arranged at the bottom inside the collecting box, after the device is completed, the collecting tank is pulled outwards through the clamping block and the clamping groove, the fragments and the dust accumulated in the collecting tank are treated in a unified mode, air pollution caused by dust and dust is avoided, and the environment-friendly performance of the device;

(3) by arranging the limiting bolt, the limiting plate, the mounting seat, the threaded rod, the slide rail connecting seat, the driven bevel gear, the first servo motor and the driving bevel gear, when the device is used, the distance between the limiting plates is adjusted according to the specification and the size of a plate to be processed, the plate to be processed is placed on one side of the limiting plates, the first servo motor is started, the first servo motor drives the driving bevel gear to rotate through the coupler, the driving bevel gear drives the driven bevel gear to rotate while rotating, the threaded rod is connected inside the driven bevel gear, the threaded rod drives the limiting plates to mutually approach under the action of the driven bevel gear, the plate to be processed is clamped and limited, the first servo motor is closed after the distance is proper, the limiting bolt is used for fixing the two sides of the plate to be processed, the structural stability is improved, the device is suitable for objects with different specifications and sizes, and;

(4) by arranging the slide way, the limiting sleeve block, the screw rod, the driving gear, the second servo motor, the driven gear and the fixed seat, when the drill bit is used and the height of the drill bit is adjusted to be lowered, the second servo motor is started, the second servo motor drives the driving gear to rotate through the coupler, the driven gear is driven to rotate clockwise along with the rotation of the driving gear, the top of the driven gear is connected with the screw rod, and the screw rod is in threaded connection with the limiting sleeve block, so that the moving rod connected between the limiting sleeve blocks drives the drilling mechanism to move downwards to an appointed position, the drilling mechanism is more stable than an air cylinder lifting structure, and the use efficiency of the device is improved;

(5) through being provided with the spout, the slot rolling, ball and hollow chamber, during the use, the carriage release lever is lift adjustment between the backup pad for a long time, wearing and tearing are more serious, top at the backup pad is provided with the spout, the hollow chamber that the spout inside was reserved runs through there is the carriage release lever, the inside both sides of spout are connected with the slot rolling, and be provided with the ball in the inside of slot rolling, when the carriage release lever reciprocated in the inside of spout, the surface of carriage release lever and the surface contact of ball, frictional resistance when having reduced the removal, the wearing and tearing to the carriage release lever have been reduced, the service life of device has been improved.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of a driven gear of the present invention in partial elevation;

FIG. 3 is a schematic side view of the catheter of the present invention;

FIG. 4 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;

fig. 5 is a schematic view of a front partial structure of the limiting plate of the invention;

FIG. 6 is a side view of a partial cross-sectional structure of the chute of the present invention.

In the figure: 1. a dust removal mechanism; 101. an exhaust fan; 102. a suction nozzle; 103. a collection box; 104. collecting tank; 105. a conduit; 106. a clamping block; 107. a card slot; 2. a work table; 3. a limiting mechanism; 301. a limit bolt; 302. a limiting plate; 303. a mounting seat; 304. a threaded rod; 305. a slide rail connecting seat; 306. driven bevel gears; 307. a first servo motor; 308. driving bevel gears; 4. a support plate; 5. an adjustment mechanism; 501. a slideway; 502. a limiting sleeve block; 503. a screw rod; 504. a driving gear; 505. a second servo motor; 506. a driven gear; 507. a fixed seat; 6. an anti-wear structure; 601. a chute; 602. rolling a groove; 603. a ball bearing; 604. a hollow cavity; 7. a travel bar; 8. a first gear; 9. a linkage shaft; 10. a second gear; 11. a drill stem; 12. a drive motor; 13. a drill bit; 14. a plate to be processed; 15. and (3) a support leg.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-6, a positioning device for drilling a circuit board comprises a workbench 2, wherein support legs 15 are fixedly connected to two sides of the bottom end of the workbench 2, support plates 4 are fixedly connected to two sides of the top end of the workbench 2, anti-abrasion structures 6 are arranged on two sides of the top end of each support plate 4, a moving rod 7 is arranged between the top ends of the support plates 4, adjusting mechanisms 5 are arranged on two sides of each moving rod 7, a dust removing mechanism 1 is arranged on one side of the bottom end of each support leg 15, a limiting mechanism 3 is arranged at the bottom end of the workbench 2, a board 14 to be processed is arranged at the top end of each limiting mechanism 3, and a drilling mechanism is;

referring to fig. 1-6, the positioning device for drilling the circuit board further comprises a drilling mechanism, the drilling mechanism comprises a driving motor 12, the driving motor 12 is fixedly connected to the middle position of the bottom end of the moving rod 7, the type of the driving motor 12 can be ACM, the output end of the driving motor 12 is connected with a linkage shaft 9, the top end of the linkage shaft 9 is fixedly connected with a second gear 10, two sides of the second gear 10 are provided with first gears 8, the outer portion of the first gears 8 is provided with toothed blocks with the same size as the second gears 10, the first gears 8 and the second gears 10 are in meshing connection, the bottom end of the first gears 8 is fixedly connected with a drill rod 11, the bottom end of the drill rod 11 penetrates through the bottom of the moving rod 7, and the bottom end of the drill rod 11 is fixedly connected with a drill bit 13;

specifically, as shown in fig. 1, when the drill bit 13 is adjusted to the surface of the board to be processed 14, the driving motor 12 is started, the driving motor 12 drives the second gear 10 to rotate through the linkage shaft 9, the second gear 10 is meshed with the first gear 8, the first gear 8 is driven to rotate along with the rotation of the second gear 10, the bottom of the first gear 8 is connected with the drill bit 13 through the drill rod 11, the two sides of the board to be processed 14 are drilled while the drill bit 13 moves downwards, two groups of drill bits 13 are arranged, two holes can be drilled at one time, after one side is completed, the angle of the board to be processed 14 is adjusted, and then the specified position of the board to be processed is drilled, the efficiency is higher than that of a single drill bit, the overall stability of the structure is stronger by adopting the second gear 10 and the first gear 8, and the working efficiency of the device is improved.

Example 2: the dust removing mechanism 1 comprises an exhaust fan 101, suction nozzles 102, a collecting box 103, a collecting groove 104, a guide pipe 105, clamping blocks 106 and clamping grooves 107, wherein the collecting box 103 is fixedly connected to one side of a supporting leg 15 through a connecting piece, the clamping grooves 107 are fixedly connected to two sides of the bottom end inside the collecting box 103, the width inside the clamping grooves 107 is larger than the width outside the clamping blocks 106, sliding connection is formed between the clamping blocks 106 and the clamping grooves 107, the collecting groove 104 is arranged between the clamping grooves 107, the clamping blocks 106 are fixedly connected to two sides of the collecting groove 104, the guide pipe 105 penetrates through the top end inside the collecting box 103, the top end of the guide pipe 105 is arranged at the bottom end of the workbench 2, one side of the guide pipe 105 is fixedly connected to the bottom end of the workbench 2 through a connecting piece, the four groups of the suction nozzles;

specifically, as shown in fig. 1, 3 and 4, the exhaust fan 101 is started, the exhaust fan 101 sucks the debris generated in the drilling process into the guide pipe 105 through the suction nozzle 102, the debris and the dust generated in the drilling process are guided into the collecting tank 103 through the guide pipe 105, the debris and the dust fall into the collecting tank 104 arranged at the bottom inside the collecting tank 103, after the device is completed, the collecting tank 104 is pulled out through the clamping block 106 and the clamping groove 107, the debris and the dust accumulated in the collecting tank 104 are uniformly treated, the air pollution caused by the dust is avoided, and the environmental protection performance of the device is improved.

Example 3: the limiting mechanism 3 comprises a limiting bolt 301, a limiting plate 302, a mounting seat 303, a threaded rod 304, a sliding rail connecting seat 305, driven bevel teeth 306, a first servo motor 307 and driving bevel teeth 308, the mounting seat 303 is arranged below the workbench 2, the threaded rod 304 is transversely and fixedly connected to the top end inside the mounting seat 303, the threaded rod 304 is provided with two groups, the thread directions are opposite, the bottom end of the mounting seat 303 and the bottom end of the workbench 2 are positioned on the same horizontal line, the sliding rail connecting seat 305 is fixedly connected to the bottom end inside the mounting seat 303, the limiting plates 302 are arranged on two sides of the threaded rod 304, the bottom end of each limiting plate 302 is arranged at the top end of the corresponding sliding rail connecting seat 305, the top end of each limiting plate 302 penetrates through the inside of the workbench 2 and extends to the upper side of the workbench 2, a first servo motor 307 is fixedly connected to one side of the bottom end of the corresponding sliding rail connecting seat, the top end of the first servo motor 307 is fixedly connected with the bottom end of the driving bevel gear 308 through a shaft connector, and one side of the driving bevel gear 308 is provided with a driven bevel gear 306;

specifically, as shown in fig. 1, fig. 3 and fig. 5, the distance between the limiting plates 302 is adjusted according to the specification of the board 14 to be processed, the board 14 to be processed is placed on one side of the limiting plates 302, the first servo motor 307 is started, the first servo motor 307 drives the driving bevel gear 308 to rotate through the coupling, the driving bevel gear 308 drives the driven bevel gear 306 to rotate while rotating, the driven bevel gear 306 is internally connected with a threaded rod 304, the threaded rod 304 drives the limiting plates 302 to approach each other under the action of the driven bevel gear 306, the board 14 to be processed is clamped and limited, the first servo motor 307 is closed after the distance is appropriate, the limiting bolts 301 are used for fixing the two sides of the board 14 to be processed, the structural stability is improved, the device is suitable for objects with different specifications and sizes, and the applicability of the device is improved.

Example 4: the adjusting mechanism 5 comprises a slide 501, a limit sleeve block 502, a screw rod 503, a driving gear 504, a second servo motor 505, a driven gear 506 and a fixed seat 507, wherein two groups of limit sleeve blocks 502 are arranged and fixedly connected to two sides of the moving rod 7, the screw rod 503 is arranged inside the limit sleeve block 502, the slide 501 is arranged on one side of the limit sleeve block 502, the bottom end of the screw rod 503 penetrates through the inside of the fixed seat 507 and extends to the top end of the driven gear 506, the fixed seat 507 is fixedly connected to two sides of the top end of the supporting plate 4, the second servo motor 505 is fixedly connected to the other side of the fixed seat 507, the type of the second servo motor 505 can be ASD-A2, one side of the second servo motor 505 is connected with one side of the driving gear 504 through a shaft connector, and the driving gear 504 is arranged;

an inner thread is arranged on the inner side wall of the limiting sleeve block 502, and an outer thread matched with the inner thread is arranged on the outer side wall of the screw rod 503;

specifically, as shown in fig. 1 and 2, when the height of the drill 13 is adjusted to be lowered, the second servo motor 505 is started, the second servo motor 505 drives the driving gear 504 to rotate through the coupling, the driven gear 506 is driven to rotate clockwise along with the rotation of the driving gear 504, the top of the driven gear 506 is connected with the lead screw 503, and as the lead screw 503 is in threaded connection with the position-limiting sleeve block 502, the moving rod 7 connected between the position-limiting sleeve blocks 502 drives the drilling mechanism to move downwards to a specified position, which is more stable than an air cylinder lifting structure, and the use efficiency of the device is improved.

Example 5: the anti-abrasion structure 6 comprises a sliding groove 601, rolling grooves 602, balls 603 and a hollow cavity 604, wherein the sliding groove 601 is provided with two sides and penetrates through the top end of the support plate 4, the rolling grooves 602 are fixedly connected to the two sides inside the sliding groove 601, the balls 603 are arranged inside the rolling grooves 602, the diameter of the balls 603 is smaller than that of the rolling grooves 602, the balls 603 are arranged inside the rolling grooves 602 at equal intervals, and the hollow cavity 604 is formed inside the sliding groove 601;

specifically, as shown in fig. 1 and 6, the moving rod 7 is lifted and lowered between the support plates 4 for a long time, the abrasion is serious, the sliding groove 601 is arranged at the top end of the support plate 4, the moving rod 7 penetrates through a hollow cavity 604 reserved inside the sliding groove 601, rolling grooves 602 are connected to two sides inside the sliding groove 601, balls 603 are arranged inside the rolling grooves 602, when the moving rod 7 moves up and down inside the sliding groove 601, the outer surface of the moving rod 7 is in contact with the outer surface of the balls 603, the friction resistance during moving is reduced, the abrasion to the moving rod 7 is reduced, and the service life of the device is prolonged.

The working principle is as follows: when the device is used, firstly, when the drill bit 13 is adjusted to the surface of the plate 14 to be processed, the driving motor 12 is started, the driving motor 12 drives the second gear 10 to rotate through the linkage shaft 9, the second gear 10 is in meshed connection with the first gear 8, the first gear 8 is driven to rotate along with the rotation of the second gear 10, the bottom of the first gear 8 is connected with the drill bit 13 through the drill rod 11, two sides of the plate 14 to be processed are drilled while the drill bit 13 moves downwards, two groups of drill bits 13 are arranged, two holes can be drilled at one time, after one side is finished, the angle of the plate 14 to be processed is adjusted, then the designated position of the plate 14 to be processed is drilled, the efficiency is higher than that of a single drill bit, the integral stability of the structure is stronger by adopting the second gear 10 and the first gear 8, and the working efficiency of the device is improved.

Secondly, start air exhauster 101, air exhauster 101 will drill the inside of getting the piece suction pipe 105 of in-process through suction nozzle 102, the piece that the drilling in-process produced and the inside of dust by the leading-in collecting tank 103 of pipe 105, piece and dust drop in the collecting vat 104 that the inside bottom of collecting vat 103 set up, the device completion back, pulling collecting vat 104, outwards pull out collecting vat 104 through fixture block 106 and draw-in groove 107, handle in unison the piece and the dust of accumulation in the collecting vat 104, avoid the dust to cause the pollution to the air, the feature of environmental protection of device has been increased.

Then, the distance between the limiting plates 302 is adjusted according to the specification and the size of the plate 14 to be processed, the plate 14 to be processed is placed on one side of the limiting plates 302, the first servo motor 307 is started, the first servo motor 307 drives the driving bevel gear 308 to rotate through the coupler, the driving bevel gear 308 drives the driven bevel gear 306 to rotate while rotating, the threaded rod 304 is connected inside the driven bevel gear 306, under the action of the driven bevel gear 306, the threaded rod 304 drives the limiting plates 302 to approach each other, the plate 14 to be processed is clamped and limited, the first servo motor 307 is closed after the distance is proper, the two sides of the plate 14 to be processed are fixed through the limiting bolts 301, the structural stability is improved, the device is suitable for objects of different specifications and sizes, and the applicability of the device is improved.

Afterwards, when the height that the adjustment drill bit 13 descends, start second servo motor 505, second servo motor 505 drives driving gear 504 through the coupling and rotates, along with driving gear 504's rotation drives driven gear 506 clockwise rotation, driven gear 506's top is connected with lead screw 503, because be threaded connection between lead screw 503 and the stop collar piece 502, consequently make the carriage release lever 7 of connecting between the stop collar piece 502 drive drilling mechanism and move down to appointed position, it is more stable than cylinder elevation structure, the availability factor of device has been improved.

Finally, the movable rod 7 is lifted and lowered between the support plates 4 for a long time, the abrasion is serious, the sliding groove 601 is arranged at the top end of each support plate 4, the movable rod 7 penetrates through a hollow cavity 604 reserved inside the sliding groove 601, rolling grooves 602 are connected to two sides inside the sliding groove 601, balls 603 are arranged inside the rolling grooves 602, when the movable rod 7 moves up and down inside the sliding groove 601, the outer surface of the movable rod 7 is in contact with the outer surface of the balls 603, the friction resistance during movement is reduced, the abrasion to the movable rod 7 is reduced, and the service life of the device is prolonged.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a positioner is used in drilling of circuit board, includes workstation (2), its characterized in that: the dust removing device is characterized in that support legs (15) are fixedly connected to two sides of the bottom end of the workbench (2), support plates (4) are fixedly connected to two sides of the top end of the workbench (2), anti-abrasion structures (6) are arranged on two sides of the top end of the support plates (4), a moving rod (7) is arranged between the top ends of the support plates (4), adjusting mechanisms (5) are arranged on two sides of the moving rod (7), a dust removing mechanism (1) is arranged on one side of the bottom end of each support leg (15), a limiting mechanism (3) is arranged at the bottom end of the workbench (2), a plate (14) to be processed is arranged at the top end of the limiting mechanism (3), and a drilling mechanism is arranged in the middle position;

drilling mechanism includes driving motor (12), driving motor (12) fixed connection is in the intermediate position department of carriage release lever (7) bottom, the output of driving motor (12) is connected with universal driving shaft (9), the top fixedly connected with second gear (10) of universal driving shaft (9), the both sides of second gear (10) are provided with first gear (8), the bottom fixedly connected with drilling rod (11) of first gear (8), and the bottom of drilling rod (11) runs through in the bottom of carriage release lever (7), the bottom fixedly connected with drill bit (13) of drilling rod (11).

2. The positioning device for drilling the circuit board according to claim 1, wherein: the gear block with the same size as the second gear (10) is arranged outside the first gear (8), and the first gear (8) is in meshed connection with the second gear (10).

3. The positioning device for drilling the circuit board according to claim 1, wherein: the dust removing mechanism (1) consists of an exhaust fan (101), a suction nozzle (102), a collecting box (103), a collecting groove (104), a guide pipe (105), a clamping block (106) and a clamping groove (107), the collecting box (103) is fixedly connected with one side of the supporting leg (15) through a connecting piece, clamping grooves (107) are fixedly connected with two sides of the bottom end in the collecting box (103), a collecting groove (104) is arranged between the clamping grooves (107), clamping blocks (106) are fixedly connected with two sides of the collecting tank (104), a guide pipe (105) penetrates through the top end of the inside of the collecting tank (103), the top end of the guide pipe (105) is arranged at the bottom end of the workbench (2), one side of the guide pipe (105) is fixedly connected with the bottom end of the workbench (2) through a connecting piece, one side at the top end of the guide pipe (105) is fixedly connected with four groups of suction nozzles (102), and one side at the bottom end of the guide pipe (105) is provided with an exhaust fan (101).

4. The positioning device for drilling the circuit board according to claim 3, wherein: the width of the inside of the clamping groove (107) is larger than the width of the outside of the clamping block (106), and the clamping block (106) is in sliding connection with the clamping groove (107).

5. The positioning device for drilling the circuit board according to claim 1, wherein: the limiting mechanism (3) comprises a limiting bolt (301), a limiting plate (302), a mounting seat (303), a threaded rod (304), a sliding rail connecting seat (305), a driven bevel gear (306), a first servo motor (307) and a driving bevel gear (308), the mounting seat (303) is arranged below the workbench (2), the threaded rod (304) is transversely and fixedly connected to the top end of the interior of the mounting seat (303), the sliding rail connecting seat (305) is fixedly connected to the bottom end of the interior of the mounting seat (303), the limiting plates (302) are arranged on two sides of the threaded rod (304), the bottom end of each limiting plate (302) is arranged on the top end of the corresponding sliding rail connecting seat (305), the top end of each limiting plate (302) penetrates through the interior of the workbench (2) and extends to the upper portion of the workbench (2), and the first servo motor (307) is fixedly connected to one side of the bottom end of the corresponding sliding rail connecting seat, the top end of the first servo motor (307) is fixedly connected with the bottom end of the driving bevel gear (308) through a shaft connector, and a driven bevel gear (306) is arranged on one side of the driving bevel gear (308).

6. The positioning device for drilling the circuit board according to claim 5, wherein: the threaded rod (304) is provided with two sets of threads with opposite directions, and the bottom end of the mounting seat (303) and the bottom end of the workbench (2) are located on the same horizontal line.

7. The positioning device for drilling the circuit board according to claim 1, wherein: the adjusting mechanism (5) consists of a slide way (501), a limit sleeve block (502), a screw rod (503), a driving gear (504), a second servo motor (505), a driven gear (506) and a fixed seat (507), wherein the limit sleeve block (502) is provided with two groups and is fixedly connected with two sides of the moving rod (7), the screw rod (503) is arranged inside the limit sleeve block (502), the slide way (501) is arranged on one side of the limit sleeve block (502), the bottom end of the screw rod (503) penetrates through the inside of the fixed seat (507) and extends to the top end of the driven gear (506), the fixed seat (507) is fixedly connected with two sides of the top end of the supporting plate (4), the second servo motor (505) is fixedly connected with the other side of the fixed seat (507), one side of the second servo motor (505) is connected with one side of the driving gear (504) through a shaft connector, the driving gear (504) is arranged on one side of the top end of the driven gear (506).

8. The positioning device for drilling the circuit board according to claim 7, wherein: the inner side wall of the limiting sleeve block (502) is provided with an internal thread, and the outer side wall of the screw rod (503) is provided with an external thread matched with the internal thread.

9. The positioning method for drilling the circuit board according to claim 1, wherein: firstly, when the drill bit (13) is adjusted to the surface of a plate (14) to be processed, the driving motor (12) is started, the driving motor (12) drives the second gear (10) to rotate through the universal driving shaft (9), the second gear (10) is in meshed connection with the first gear (8), the first gear (8) is driven to rotate along with the rotation of the second gear (10), the bottom of the first gear (8) is connected with the drill bit (13) through the drill rod (11), two groups of drill bits (13) are arranged for drilling holes on two sides of the plate (14) to be processed while moving downwards along with the drill bit (13), two holes can be drilled at one time, after one side of the drilling is finished, the angle of the plate (14) to be machined is adjusted, and then the hole is drilled at the appointed position, the efficiency is higher than that of a single hole, the integral stability of the structure is high by adopting the second gear (10) and the first gear (8), and the working efficiency of the device is improved; secondly, starting an exhaust fan (101), sucking the chips in the drilling process into a guide pipe (105) by the exhaust fan (101) through a suction nozzle (102), guiding the chips and dust generated in the drilling process into a collecting tank (103) by the guide pipe (105), dropping the chips and dust into a collecting tank (104) arranged at the bottom inside the collecting tank (103), pulling the collecting tank (104) after the device is finished, outwards pulling out the collecting tank (104) through a clamping block (106) and a clamping groove (107), uniformly treating the chips and dust accumulated in the collecting tank (104), avoiding the pollution of the dust to air, and increasing the environmental protection performance of the device; then, the distance between the limiting plates (302) is adjusted according to the specification and the size of the plate (14) to be processed, the plate (14) to be processed is placed on one side of the limiting plates (302), a first servo motor (307) is started, the first servo motor (307) drives a driving bevel gear (308) to rotate through a coupling, the driving bevel gear (308) drives a driven bevel gear (306) to rotate while rotating, a threaded rod (304) is connected inside the driven bevel gear (306), under the action of the driven bevel gear (306), the threaded rod (304) drives the limiting plates (302) to mutually approach, the plate (14) to be processed is clamped and limited, the first servo motor (307) is closed after the distance is proper, the limiting bolts (301) are used for fixing the two sides of the plate (14) to be processed, the structural stability is improved, the device is suitable for objects of different specifications and sizes, and the applicability of the device is improved; then, when the height of the drill bit (13) descending is adjusted, a second servo motor (505) is started, the second servo motor (505) drives a driving gear (504) to rotate through a shaft connector, the driving gear (504) rotates to drive a driven gear (506) to rotate clockwise, the top of the driven gear (506) is connected with a screw rod (503), and the screw rod (503) is in threaded connection with a limiting sleeve block (502), so that a moving rod (7) connected between the limiting sleeve blocks (502) drives a drilling mechanism to move downwards to a specified position, the drilling mechanism is more stable than an air cylinder lifting structure, and the use efficiency of the device is improved;

finally, movable rod (7) lift adjustment between backup pad (4) for a long time, wearing and tearing are more serious, top at backup pad (4) is provided with spout (601), hollow chamber (604) that spout (601) inside was reserved has run through movable rod (7), the inside both sides of spout (601) are connected with rolling groove (602), and be provided with ball (603) in the inside of rolling groove (602), when movable rod (7) reciprocate in the inside of spout (601), the surface of movable rod (7) and the surface contact of ball (603), frictional resistance when having reduced the removal, the wearing and tearing to movable rod (7) have been reduced, the life of device has been improved.