阅读说明：本技术 一种双面压接背板钻孔装置及其钻孔方法 (Double-sided compression joint backboard drilling device and drilling method thereof ) 是由 高思 陈尧 张涛恒 卢辉辉 冯丽英 杜永宏 于 2021-07-20 设计创作，主要内容包括：本发明公开了一种双面压接背板钻孔装置及其钻孔方法,包括呈水平设置的工作台,所述工作台上表面开设有贯穿所述工作台的安装槽,所述安装槽内设置有用于夹持背板的夹持组件,所述工作台上开设有贯穿所述工作台上下表面的滑动槽,所述滑动槽内穿设有滑动杆,所述滑动槽内设置有使滑动杆沿滑动槽长度方向滑移的滑动组件,所述滑动杆两端固定有平行于工作台的支撑杆,两所述支撑杆上滑移设置有对背板进行钻孔的钻孔装置,两所述钻孔装置在背板上下两侧呈对称设置,所述支撑杆上设置有驱动两所述钻孔装置同步运动的驱动机构,钻孔装置可分别对背板两侧进行钻孔,从而减小因残渣堆积而导致钻孔精度下降的缺陷。(The invention discloses a double-sided compression joint backboard drilling device and a drilling method thereof, the device comprises a workbench which is horizontally arranged, the upper surface of the workbench is provided with a mounting groove which penetrates through the workbench, a clamping component for clamping a backboard is arranged in the mounting groove, the workbench is provided with a sliding groove which penetrates through the upper surface and the lower surface of the workbench, a sliding rod is penetrated in the sliding groove, a sliding component which enables the sliding rod to slide along the length direction of the sliding groove is arranged in the sliding groove, supporting rods which are parallel to the workbench are fixed at two ends of the sliding rod, drilling devices for drilling the backboard are arranged on the two supporting rods in a sliding way, the two drilling devices are symmetrically arranged at the upper side and the lower side of the backboard, a driving mechanism for driving the two drilling devices to synchronously move is arranged on the supporting rods, and the drilling devices can respectively drill holes at two sides of the backboard, thereby reducing the defect of reduced drilling precision caused by residue accumulation.)

1. The utility model provides a two-sided crimping backplate drilling equipment which characterized in that: comprises a workbench (5) which is horizontally arranged, the upper surface of the workbench (5) is provided with an installation groove (6) which penetrates through the workbench (5), a clamping component for clamping the back plate is arranged in the mounting groove (6), a sliding groove (57) penetrating through the upper surface and the lower surface of the workbench (5) is arranged on the workbench (5), a sliding rod (12) penetrates through the sliding groove (57), a sliding component which enables the sliding rod (12) to slide along the length direction of the sliding groove (57) is arranged in the sliding groove (57), two ends of the sliding rod (12) are fixed with supporting rods (17) parallel to the workbench (5), two of the supporting rods (17) are provided with drilling devices for drilling the back plate in a sliding manner, the two drilling devices are symmetrically arranged at the upper side and the lower side of the back plate, and a driving mechanism for driving the two drilling devices to synchronously move is arranged on the supporting rod (17).

2. A double-sided compression joint backing plate drilling device as claimed in claim 1, wherein: two drive groove (18) have been seted up along length direction to the surface that bracing piece (17) deviated from workstation (5), the diapire in drive groove (18) has been seted up along length direction and has been run through groove (19) of stepping down of surface about bracing piece (17), actuating mechanism is including sliding the setting and being in actuating lever (20) in drive groove (18), actuating lever (20) tip is provided with connects two connecting rod (21) of actuating lever (20), be connected with the joint of sliding on actuating lever (20) and be in drive block (23) in groove (19) of stepping down, drilling equipment connects drive block (23) just to the workstation (5) on the surface, actuating mechanism is still including setting up on bracing piece (17) and making drive block (20) the drive assembly that slides in drive groove (18).

3. A double-sided compression joint backing plate drilling device as claimed in claim 2, wherein: the upper surface of the driving rod (20) is provided with a positioning groove (22) along the length direction, the positioning groove (22) penetrates through the upper surface and the lower surface of the driving rod (20), the inner walls of the two sides of the positioning groove (22) are provided with guide grooves (24) along the length direction, the driving block (23) is slidably clamped in the positioning groove (22), the two side walls of the driving block (23) are fixed with guide blocks (25) which are slidably clamped in the guide grooves (24), the surfaces of the driving block (23) and the supporting rod (17) which deviate from the workbench (5) are provided with linkage grooves (26), linkage rods (27) which are connected with the two linkage grooves (26) are arranged in the linkage grooves (26), the supporting rod (17) is provided with a motor groove (30), the driving assembly comprises a driving motor (31) fixed in the motor groove (30), and an output shaft of the driving motor (31) is fixedly provided with a driving lead screw (32) which is horizontally arranged, the driving screw rod (32) horizontally penetrates through the driving block (23) and is in threaded connection with the driving block (23).

4. A double-sided compression joint backing plate drilling device as claimed in claim 3, wherein: the drilling device comprises a driving cylinder (36) fixed on a driving block (23), a drilling motor (37) is fixed on a connecting rod of the driving cylinder (36), a drill bit (38) for drilling the backboard is fixed on an output shaft of the drilling motor (37), a mounting disc (39) is fixed on the drilling motor (37), a mounting cylinder (40) sleeved on the outer wall of the drill bit (38) is arranged on the mounting disc (39), and an abutting component abutting against the backboard is arranged on the mounting cylinder (40).

5. A double-sided compression joint backplate drilling device according to claim 4, wherein: a plurality of butt grooves (41) have been seted up along the axial to installation section of thick bamboo (40) outer wall, the butt subassembly is including the butt pole (42) of joint in butt groove (41) that slides, butt groove (41) internal fixation has the butt spring (44) that promotes the butt board and move towards the backplate direction, butt pole (42) are close to the end fixing of butt spring (44) has outstanding butt piece (45) outside butt groove (41), installation section of thick bamboo (40) threaded connection has and is used for preventing that butt pole (42) break away from butt ring (46) in butt groove (41).

6. A double-sided compression joint backing plate drilling device as claimed in claim 5, wherein: the butt joint block (45) is connected with a butt screw rod (47) parallel to the axis of the installation barrel (40) in a threaded mode, and the butt screw rod (47) penetrates through the upper surface and the lower surface of the butt joint block (45) and is used for adjusting the distance between the butt joint block (45) and the butt joint ring (46).

7. A double-sided compression joint backing plate drilling device as claimed in claim 6, wherein: a suction fan (48) is fixed on the sliding rod (12), two hoses (49) are connected to the suction inlet of the suction fan (48), and the two hoses (49) are connected in the corresponding mounting cylinder (40).

8. A double-sided compression joint backing plate drilling device as claimed in claim 1, wherein: the utility model discloses a fixing device for a workbench, which is characterized in that a support (1) is fixed on the ground, two crossbeams (2) which are parallel to each other are fixed at the upper end of the support (1), one end of the crossbeam (2) is provided with a positioning beam (3) which is perpendicularly connected with two crossbeams (2), the other end of the crossbeam (2) is provided with a sliding beam (4) which is connected with two crossbeams (2) and can be close to the positioning beam (3) to move in the direction, a coaxial rotating rod (53) is fixed on the opposite side wall of the workbench (5), the rotating rod (53) is parallel to a sliding groove (57) and horizontally runs through the positioning beam (3) and the sliding beam (4), the end part of the rotating rod (53) is provided with a limiting block which prevents the rotating rod (53) from breaking away from the positioning beam (3) or the sliding beam (4) along the axial movement, the positioning beam (3) and the opposite side wall of the sliding beam (4) are provided with a limiting groove (58) for clamping the workbench (5), positioning beam (3) with be fixed with installation roof beam (55) on sliding beam (4), auxiliary groove (56) have been seted up on the relative surface of installation roof beam (55), auxiliary groove (56) with spacing groove (58) communicate perpendicularly and can be used to joint workstation (5), be provided with the drive on crossbeam (2) sliding beam (4) orientation the removal subassembly of positioning beam (3) motion.

9. A double-sided compression joint backing plate drilling device as claimed in claim 1, wherein: the centre gripping subassembly is including fixing backup pad (7) that are used for supporting the backplate on mounting groove (6) inner wall, fixed slot (8) have been seted up to mounting groove (6) inner wall, fixed slot (8) internal fixation has centre gripping cylinder (9), be fixed with grip block (10) on centre gripping cylinder (9) the connecting rod, grip block (10) just offer useful centre gripping groove (11) with the joint backplate to the lateral wall of backplate.

10. A drilling method using the double-sided compression joint backboard drilling device according to any one of claims 1 to 9, characterized by comprising the following steps:

s1, mounting the back plate to be drilled on the workbench (5);

s2, acting on the sliding component to make the sliding rod (12) drive the supporting rod (17) to move to the designated position;

s3, acting on the driving motor (31), making the driving motor (31) drive the driving block (23) to move along the length direction of the supporting rod (17), and making the drill bit (38) move to the position of the back plate needing drilling;

s4, the two driving cylinders (36) are started simultaneously to drive the drill bit (38) to move towards the direction close to the backboard until the rubber block (43) abuts against the backboard, one drilling motor (37) rotates, the connecting rod of the driving cylinder (36) connected with the drilling motor (37) continues to extend to drill the backboard, and the suction fan (48) is used for sucking residues generated in the drilling process;

s5, after a certain depth of drilling is carried out, one driving cylinder (36) drives one driving drill bit (38) to be separated from the back plate, the other driving cylinder (36) and the drilling motor (37) are started to drive the drill bit (38) to move towards the direction close to the back plate, the same position on the back of the back plate is drilled, and in the drilling process, a suction fan (48) is used for sucking residues generated in the drilling process until a through hole is formed in the back plate;

and S6, replacing the drill bit (38) on the drilling motor (37) and continuously drilling the through hole.

Technical Field

The invention relates to the field of circuit board processing equipment, in particular to a double-sided compression joint backboard drilling device and a drilling method thereof.

Background

Printed circuit boards are important electronic components, as are supports for electronic components, and also carriers for electrical interconnection of electronic components. The double-sided compression joint back plate is one of printed circuit board products, and electronic components can be inserted into an element surface and a welding surface of the double-sided compression joint back plate, and the double-sided compression joint back plate is mainly used for servers and communication base stations. The double-sided compression joint back plate generally needs to be drilled in the machining process, and the quality of the double-sided compression joint back plate is directly influenced by the drilling mode.

In the related technology, in the process of drilling the double-sided compression joint back plate, a small drill bit is used for drilling a through hole, then a large drill bit is used for depth control drilling on two sides of the through hole, and a middle drill bit between the small drill bit and the large drill bit is used for back drilling after copper deposition electroplating, so that the double-sided compression joint back plate is manufactured.

In view of the above-mentioned related art, the inventor believes that the above-mentioned operation steps are easily limited by the thickness of the back plate or the size of the through hole, and when the thickness of the back plate is large, the plate chips in the drilling process are difficult to be discharged due to small hole diameter, thereby affecting the accuracy of drilling, and further affecting the deep drilling.

Disclosure of Invention

In order to reduce the influence on the machining precision due to the fact that the back plate is too thick, the application provides a double-sided compression joint back plate drilling device and a drilling method thereof.

In a first aspect, the application provides a double-sided compression joint backplate drilling equipment adopts following technical scheme:

the utility model provides a two-sided crimping backplate drilling equipment, is including the workstation that is the level setting, the workstation upper surface has been seted up and has been run through the mounting groove of workstation, be provided with the centre gripping subassembly that is used for the centre gripping backplate in the mounting groove, set up on the workstation and run through the sliding tray of workstation upper and lower surface, wear to be equipped with the slide bar in the sliding tray, be provided with the slip subassembly that makes the slide bar slide along sliding tray length direction in the sliding tray, the slide bar both ends are fixed with the bracing piece that is on a parallel with the workstation, two it is provided with the drilling equipment who carries out drilling to the backplate to slide on the bracing piece, two drilling equipment is the symmetry setting in both sides about the backplate, be provided with the drive two on the bracing piece drilling equipment simultaneous movement's actuating mechanism.

Through adopting above-mentioned technical scheme, the staff can be with treating the backplate of drilling install the workstation on, make the centre gripping subassembly press from both sides the backplate tightly, and the reuse acts on the slip subassembly, makes the slide bar remove after the assigned position, acts on actuating mechanism, makes the bracing piece drive drilling equipment and moves the position that the backplate needs drilling, and the drilling equipment of backplate both sides drills the backplate in two directions.

Optionally, two the surface that the bracing piece deviates from the workstation has seted up the drive groove along length direction, the diapire in drive groove has seted up along length direction and has run through the groove of stepping down of surface about the bracing piece, actuating mechanism is including sliding the setting and is in actuating lever in the drive groove, the actuating lever tip is provided with connects two the connecting rod of actuating lever, be connected with the joint that slides on the actuating lever and be in step down the drive block of inslot, drilling equipment connect just right the drive block the workstation on the surface, actuating mechanism is still including setting up on the bracing piece and making the drive assembly of actuating lever at the inslot sideslip.

Through adopting above-mentioned technical scheme, the staff can act on drive assembly, makes drive assembly drive the actuating lever that the actuating lever on drive block and connection slided along bracing piece length direction, under the effect of connecting rod, drives two drilling equipment and synchronous and syntropy motion, is convenient for drill at two directions to backplate same position.

Optionally, the constant head tank has been seted up along length direction to the actuating lever upper surface, the constant head tank runs through the actuating lever upper and lower surface, the guide way has been seted up along length direction to the constant head tank both sides inner wall, the joint that slides of drive block is in the constant head tank, drive block both sides wall is fixed with the joint that slides and is in the guide block in the guide way, drive block, bracing piece deviate from the linkage groove has been seted up on the surface of workstation, be provided with in the linkage groove and connect two the gangbar in linkage groove, the motor groove has been seted up on the bracing piece, drive assembly is including fixing the driving motor at the motor inslot, the driving motor output shaft is fixed with the drive screw that is the level and sets up, the drive screw level run through the drive block and with drive block threaded connection.

Through adopting above-mentioned technical scheme, the gangbar is connected drive block and actuating lever, and driving motor starts, drives the drive lead screw and rotates to make the drive block of threaded connection on the drive lead screw drive the actuating lever and move along bracing piece length direction, make two actuating levers simultaneous movement under the effect of connecting rod, thereby drive the drilling equipment who connects on corresponding drive block and move the assigned position, drill the upper and lower surface of backplate.

Optionally, the drilling device includes a driving cylinder fixed on the driving block, a drilling motor is fixed on a connecting rod of the driving cylinder, a drill bit for drilling the backboard is fixed on an output shaft of the drilling motor, a mounting disc is fixed on the drilling motor, a mounting tube sleeved on the outer wall of the drill bit is arranged on the mounting disc, and an abutting component abutting against the backboard is arranged on the mounting tube.

Through adopting above-mentioned technical scheme, the drilling motor starts, it rotates to drive the drill bit, it starts to drive actuating cylinder, drive the drill bit towards the direction motion near the backplate, carry out drilling treatment to the backplate, it is great when backplate thickness, the drill bit that makes backplate one side is bored gets after certain degree of depth breaks away from with the backplate, act on another and drive actuating cylinder and drilling motor, make the drill bit of connecting on corresponding drilling motor drill the another side of backplate, because two drill bits are the symmetry setting in the upper and lower two sides of backplate, so the hole of drilling out is coaxial, be convenient for carry out drilling operation to the backplate.

Optionally, a plurality of butt grooves have been seted up along the axial to the installation section of thick bamboo outer wall, the butt subassembly is including the butt pole of joint in the butt groove that slides, the butt inslot is fixed with the butt spring that promotes the butt board towards backplate direction motion, the butt pole is close to the end fixing of butt spring has outstanding butt piece outside the butt groove, installation section of thick bamboo threaded connection has and is used for preventing the butt pole to break away from the butt ring in the butt groove.

Through adopting above-mentioned technical scheme, drive actuating cylinder and drive the drill bit and move towards the direction of backplate, the butt pole butt that is located the backplate both sides plays certain support and tight effect tightly to the backplate, and at the in-process of drilling, the butt spring further compresses, prevents to extrude the damage that leads to the backplate because of the butt pole of backplate both sides to the backplate.

Optionally, the abutting block is connected with an abutting screw rod parallel to the axis of the mounting cylinder in a threaded manner, and the abutting screw rod penetrates through the upper surface and the lower surface of the abutting block and is used for adjusting the distance between the abutting block and the abutting ring.

By adopting the technical scheme, because the backboard to be drilled may have the condition of being connected with the circuit element, in order to prevent the abutting rod from abutting against the circuit element and causing the damage of the circuit element, the abutting screw rod can be rotated, so that the abutting rod which is just opposite to the circuit element moves towards the direction far away from the backboard, and the damage of the abutting rod to the circuit element in the working process of the drill bit is prevented.

Optionally, a suction fan is fixed on the sliding rod, two hoses are connected to the suction inlet of the suction fan, and the two hoses are connected to the corresponding mounting cylinder.

Through adopting above-mentioned technical scheme, the drill bit is at the in-process of work, and the suction fan starts for absorb the produced sweeps of drilling in-process, be convenient for to the collection of sweeps, prevent that the sweeps from causing the influence to the machining precision.

Optionally, a support is fixed on the ground, two parallel beams are fixed at the upper end of the support, one end of each beam is provided with a positioning beam which is perpendicularly connected with the two beams, the other end of each beam is provided with a sliding beam which is connected with the two beams and can move along the direction close to the positioning beam, a coaxial rotating rod is fixed on the side wall opposite to the workbench, the rotating rod is parallel to the sliding groove and horizontally penetrates through the positioning beam and the sliding beam, the end part of the rotating rod is provided with a limiting block which prevents the rotating rod from moving along the axial direction and separating from the positioning beam or the sliding beam, the positioning beam and the side wall opposite to the sliding beam are provided with a limiting groove for clamping the workbench, the positioning beam and the sliding beam are fixed with an installation beam, the surface opposite to the installation beam is provided with an auxiliary groove, the auxiliary groove and the limiting groove are perpendicularly communicated and can be used for clamping the workbench, the cross beam is provided with a moving assembly which drives the sliding beam to move towards the positioning beam.

Through adopting above-mentioned technical scheme, the dwang rotates to be connected on locating beam and sliding beam, makes the workstation rotate in vertical direction to be convenient for make the upper surface of workstation is adjusted to the drill bit of work, the staff can act on and remove the subassembly, makes the sliding beam towards the direction motion that is close to the locating beam, makes the workstation joint in the spacing inslot on locating beam and sliding beam, thereby realizes the location of workstation on locating beam and sliding beam.

Optionally, the clamping assembly comprises a supporting plate fixed on the inner wall of the mounting groove and used for supporting the backboard, a fixing groove is formed in the inner wall of the mounting groove, a clamping cylinder is fixed in the fixing groove, a clamping plate is fixed on a connecting rod of the clamping cylinder, and a clamping groove for clamping the backboard is formed in the side wall of the backboard of the clamping plate.

Through adopting above-mentioned technical scheme, install the backup pad with the backplate on, make backplate lateral wall butt on the inside wall of mounting groove, act on the centre gripping cylinder, make the centre gripping cylinder promote the grip block towards the direction motion that is close to the backplate, make the backplate articulate in the centre gripping inslot to realize the installation of backplate at the workstation upper surface.

In a second aspect, the present application provides a drilling method for a double-sided compression joint back plate, which adopts the following technical scheme, and comprises the following steps:

s1, mounting the back plate to be drilled on the workbench;

s2, acting on the sliding component to make the sliding rod drive the supporting rod to move to the designated position;

s3, acting on the driving motor, making the driving motor drive the driving block to move along the length direction of the supporting rod, and making the drill bit move to the position of the back plate needing drilling;

s4, the two driving cylinders are started simultaneously to drive the drill bit to move towards the direction close to the back plate until the rubber block is abutted against the back plate, one drilling motor rotates, the connecting rod of the driving cylinder connected with the drilling motor continues to extend to drill the back plate, and the suction fan is used for sucking residues generated in the drilling process;

s5, after drilling a hole to a certain depth, driving the driving cylinder to drive the driving drill bit to be separated from the back plate, starting the other driving cylinder and the drilling motor to drive the drill bit to move towards the direction close to the back plate, and drilling the hole at the same position on the back of the back plate, wherein in the drilling process, the suction fan is used for sucking residues generated in the drilling process until a through hole is formed in the back plate;

and S6, replacing the drill bit on the drilling motor and continuously drilling the through hole.

Through adopting above-mentioned technical scheme, the workstation is installed to the backplate, make the slide bar drive the bracing piece for the backplate motion, make the bracing piece move to the assigned position after, act on driving motor, driving motor drives the motion of drive disk, make the drill bit move to the assigned position, make the drilling motor of backplate one side with drive actuating cylinder and start, drill to the backplate, after drilling to certain degree of depth, make this drill bit separate with the backplate, make the drilling motor of backplate opposite side with drive actuating cylinder and start, the drill bit drills to the backplate, thereby after forming required through-hole, change the drill bit, process the through-hole both ends again.

In summary, the present application includes at least one of the following beneficial technical effects:

1. mounting a back plate to be drilled on a workbench, enabling drill bits on two sides of the back plate to move to the front side and the back side of the back plate to be drilled simultaneously, and drilling holes on the two sides of the back plate respectively;

2. the suction fan is used for sucking the scraps generated in the machining process, and the influence of the scraps on the machining precision is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a schematic view of a connection structure of a clamping assembly on a workbench according to an embodiment of the present application.

Fig. 3 is a schematic view of the connection structure of the driving rod on the supporting rod according to the embodiment of the application.

Fig. 4 is a schematic view of the overall structure of a drilling device according to an embodiment of the present application.

Figure 5 is a schematic structural view of an abutment assembly according to an embodiment of the present application.

Description of reference numerals:

1. a support; 2. a cross beam; 3. positioning the beam; 4. a sliding beam; 5. a work table; 6. mounting grooves; 7. a support plate; 8. fixing grooves; 9. a clamping cylinder; 10. a clamping plate; 11. a clamping groove; 12. a slide bar; 13. a sliding lead screw; 14. a slide motor; 15. a clamping groove; 16. a clamping block; 17. a support bar; 18. a drive slot; 19. a yielding groove; 20. a drive rod; 21. a connecting rod; 22. positioning a groove; 23. a drive block; 24. a guide groove; 25. a guide block; 26. a linkage groove; 27. a linkage rod; 28. a plug rod; 29. a magnet block; 30. a motor slot; 31. a drive motor; 32. driving a lead screw; 33. a limiting hole; 34. a limiting rod; 35. a limiting spring; 36. a driving cylinder; 37. a drilling motor; 38. a drill bit; 39. mounting a disc; 40. mounting the cylinder; 41. a butt joint groove; 42. a butting rod; 43. a rubber block; 44. an abutment spring; 45. a butting block; 46. a butting ring; 47. abutting against the screw; 48. a suction fan; 49. a hose; 50. a moving groove; 51. moving the lead screw; 52. a moving motor; 53. rotating the rod; 54. a limit nut; 55. mounting a beam; 56. an auxiliary groove; 57. a sliding groove; 58. a limiting groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses two-sided crimping backplate drilling equipment. Referring to fig. 1, including fixing on subaerial and being vertical setting's support 1, support 1 upper end welding has two crossbeams 2 of connecting corresponding support 1, and two crossbeams 2 are the level setting and are parallel to each other, and 2 one end welding of crossbeam has the locating beam 3 of connecting two crossbeams 2, and locating beam 3 is perpendicular to two crossbeams 2, and the crossbeam 2 other end slides and is provided with the sliding beam 4 of connecting two crossbeams 2, and sliding beam 4 is on a parallel with locating beam 3 and can move towards locating beam 3 direction.

Referring to fig. 1 and 2, the positioning beam 3 is provided with a workbench 5 connected with a sliding beam 4, the workbench 5 is horizontally arranged, the upper surface of the workbench 5 is provided with a mounting groove 6 penetrating through the upper surface and the lower surface of the workbench 5, the projection of the mounting groove 6 on the ground is rectangular, and the mounting groove 6 is internally provided with a clamping assembly for fixing a backboard. The upper surface and the lower surface of the workbench 5 are provided with drilling devices for drilling the back plate, and the drilling devices are symmetrically arranged on the front side and the back side of the back plate.

Referring to fig. 1 and 2, the centre gripping subassembly is including bonding backup pad 7 at the both sides inner wall of 6 mutually perpendicular of mounting groove, backup pad 7 is the level setting, fixed slot 8 has all been seted up to the inside wall that mounting groove 6 was not equipped with backup pad 7, form such as bolt or bonding is fixed with centre gripping cylinder 9 in the fixed slot 8, bond on centre gripping cylinder 9's the output shaft have with the grip block 10 that is the level setting, grip block 10 is just having seted up centre gripping groove 11 to the lateral wall that corresponds backup pad 7, place the backup pad 7 with the backplate on, make the lateral wall butt of backplate at mounting groove 6 inner wall, act on centre gripping cylinder 9, make centre gripping cylinder 9 act on the direction motion of grip block 10 towards being close to the backplate, make the backplate joint in centre gripping groove 11, realize the fixed of backplate.

Referring to fig. 2 and 3, the upper surface of the worktable 5 is provided with two sliding grooves 57 penetrating through the upper and lower surfaces of the worktable 5, the two sliding grooves 57 are parallel to each other and are located at two sides of the installation groove 6, a sliding rod 12 perpendicular to the worktable 5 penetrates through the sliding grooves 57, the sliding rod 12 can slide along the length direction of the sliding grooves 57, a sliding assembly which enables the sliding rod 12 to slide along the length direction of the sliding grooves 57 is arranged in the sliding grooves 57, the sliding assembly comprises sliding lead screws 13 rotatably connected in the corresponding sliding grooves 57, the two sliding lead screws 13 are parallel to each other and are arranged along the length direction of the sliding grooves 57, a sliding motor 14 is fixed in the worktable 5 through bolts, an output shaft of the sliding motor 14 is welded at the end of the sliding lead screw 13 and can drive the sliding lead screw 13 to rotate, the sliding lead screw 13 horizontally penetrates through the sliding rod 12 and is in threaded connection with the sliding rod 12, the inner wall of the sliding groove 57 close to the installation groove 6 is provided with a clamping groove 15 along the length direction, the slide bar 12 is just having joint piece 16 to the lateral wall welding of joint groove 15, and joint piece 16 slides the joint and is being used for supporting slide bar 12 on the one hand in corresponding sliding tray 57, and on the other hand prevents that slide bar 12 from rotating in vertical direction.

Referring to fig. 2 and 3, the two ends of the sliding rod 12 are welded with the supporting rods 17 connecting the two sliding rods 12, the supporting rods 17 are parallel to the workbench 5, the two supporting rods 17 and the two sliding rods 12 together form a rectangular frame shaped like a Chinese character 'hui', the drilling devices are slidably arranged on the corresponding supporting rods 17 and can slidably move along the length direction of the supporting rods 17, and the supporting rods 17 are provided with driving mechanisms for driving the two drilling devices to synchronously move. The surface of the two support rods 17 departing from the workbench 5 is provided with a driving groove 18 along the length direction, the bottom wall of the driving groove 18 is provided with a yielding groove 19 running through the upper surface and the lower surface of the support rods 17 along the length direction, the driving mechanism comprises a driving rod 20 arranged in the driving groove 18 in a sliding manner, the driving rod 20 is attached to the inner wall of the driving groove 18 and can move in the driving groove 18 along the length direction, the end part of the driving rod 20 is provided with a connecting rod 21 connecting the two driving rods 20, and the connecting rod 21 is parallel to the sliding rod 12.

Referring to fig. 2 and 3, the surface of the driving rod 20 departing from the workbench 5 is provided with a positioning groove 22 along the length direction, the positioning groove 22 penetrates through the upper surface and the lower surface of the driving rod 20 in the vertical direction, a driving block 23 is connected in the positioning groove 22 in a sliding and clamping manner, the driving block 23 can slide in the positioning groove 22 along the length direction, the driving block 23 is arranged in the yielding groove 19 in a penetrating manner, and the drilling device is fixed on the surface of the driving block 23 opposite to the workbench 5. The guide way 24 has been seted up along length direction to the inner wall of constant head tank 22 both sides, and the drive block 23 just has welded guide block 25 to the lateral wall welding of guide way 24, and guide block 25 slides the joint in corresponding guide way 24. The driving block 23 and the supporting rod 17 are provided with linkage grooves 26 on the surfaces deviating from the workbench 5, linkage rods 27 connecting the two linkage grooves 26 are arranged in the linkage grooves 26, each linkage rod 27 comprises an insertion rod 28 penetrating the corresponding linkage groove 26 and a magnet block 29 connecting the two insertion rods 28, the insertion rods 28 are bonded at two ends of each magnet block 29, and the magnet blocks 29 can be adsorbed on the supporting rod 17 to reduce the possibility that the insertion rods 28 are separated from the linkage grooves 26.

Referring to fig. 2 and 3, actuating mechanism is still including setting up the drive assembly on bracing piece 17, motor groove 30 has been seted up on the surface that bracing piece 17 deviates from workstation 5, drive assembly includes driving motor 31 through the bolt fastening in motor groove 30, the welding has drive lead screw 32 on the driving motor 31 output shaft, drive lead screw 32 is on a parallel with bracing piece 17 and stretches into in drive groove 18 and constant head tank 22, drive lead screw 32 level run through drive block 23 and with drive block 23 threaded connection. The driving motor 31 drives the driving screw rod 32 to rotate, and the driving block 23 screwed on the driving screw rod 32 drives the two driving rods 20 to move synchronously relative to the supporting rod 17, so that the drilling device is always symmetrically arranged on two sides of the back plate.

Referring to fig. 2 and 3, the side wall of the support rod 17 is provided with a limiting hole 33 penetrating into the drive rod 20, a limiting rod 34 connecting the drive rod 20 and the support rod 17 penetrates through the limiting hole 33, a limiting spring 35 is adjusted on the limiting rod 34, one end of the limiting spring 35 is welded on the support rod 17, and the other end of the limiting spring is welded on the limiting rod 34 and pulls the limiting rod 34 to insert into the limiting hole 33. When the limiting rod 34 is connected with the driving rod 20 and the supporting rod 17, the inserting rod 28 is separated from the linkage groove 26, the driving motor 31 drives the driving lead screw 32 to rotate, the driving block 23 can move relative to the driving rod 20, and the position relation of the drilling device relative to the back plate can be conveniently and independently adjusted; the limiting rod 34 is separated from the limiting hole 33, the inserting rod 28 is inserted into the corresponding linkage groove 26, the driving motor 31 drives the driving screw rod 32 to rotate, and the driving block 23 drives the driving rod 20 to move relative to the supporting rod 17 in the process of driving the driving screw rod 32 to rotate, so that the two drilling devices synchronously move.

Referring to fig. 2 and 4, drilling equipment includes through the bolt fastening drive actuating cylinder 36 on driving block 23, drive actuating cylinder 36 and be vertical setting, it has drilling motor 37 to drive welding on the actuating cylinder 36 connecting rod, drilling motor 37 output shaft is vertical setting and is fixed with the drill bit 38 of driling to the backplate on drilling motor 37 output shaft, cup joint the mounting disc 39 that is horizontal setting on drilling motor 37's the output shaft, the mounting disc 39 welds on drilling motor 37, mounting disc 39 is just to the skin weld of workstation 5 have with the coaxial installation section of thick bamboo 40 of drilling motor 37 output shaft.

Referring to fig. 4 and 5, a plurality of abutting grooves 41 are axially formed in the outer wall of the mounting tube 40, the plurality of abutting grooves 41 are uniformly distributed along the circumferential direction of the mounting tube 40, and abutting components abutting against the backboard are arranged in the mounting groove 6. The butt subassembly is including the butt pole 42 of joint in butt groove 41 that slides, and butt pole 42 is close to the tip bonding of backplate and has the block rubber 43, and the inner wall that the backplate was kept away from to butt groove 41 is fixed with butt spring 44, and butt spring 44 one end welding is in butt groove 41, and the butt spring 44 other end welding is at the terminal surface that the butt pole 42 deviates from the backplate to promote the butt pole 42 towards the direction motion that is close to the backplate. The butt pole 42 is close to the tip welding of butt spring 44 has butt piece 45, and butt piece 45 salient outside the butt groove 41, and installation section of thick bamboo 40 threaded connection has butt ring 46, and butt piece 45 is just to the terminal surface butt of backplate at the terminal surface that butt ring 46 deviates from the backplate, prevents under the effect of butt spring 44 that butt pole 42 breaks away from butt groove 41. The butt screw rod 47 is connected to the butt block 45 through threads, the butt screw rod 47 is parallel to the axis of the installation barrel 40 and penetrates through the butt block 45, the butt screw rod 47 abuts against the end face, deviating from the back plate, of the butt ring 46, the distance between the butt block 45 and the butt ring 46 is adjusted by rotating the butt screw rod 47, and therefore the circuit element is prevented from being damaged due to the fact that the butt rod 42 abuts against the circuit element on the back plate.

The back plate rotates the abutting screw rod 47 during the drilling process to move the rubber block 43 facing the circuit element in the direction away from the back plate, so that the rubber block 43 is not contacted with the circuit element during the drilling process to prevent the circuit element from being damaged. Other rubber blocks 43 and backplate butt play certain support and limiting displacement to the backplate at the in-process of drilling, reduce simultaneously and drill the in-process and lead to the backplate rupture because of local atress is too big.

Referring to fig. 1, a suction fan 48 is fixed on the sliding rod 12 through a bolt, two hoses 49 are connected to the suction inlet of the suction fan 48, one end of each hose 49 is connected to the suction fan 48, the other end of each hose 49 is connected to the corresponding mounting cylinder 40, and the hoses 49 penetrate into the mounting cylinders 40 and are used for sucking generated residues in the drilling process.

Referring to fig. 1 and 2, a moving groove 50 is provided along the length direction on the opposite side wall of the cross beam 2, the two ends of the sliding beam 4 are slidably connected in the corresponding moving grooves 50, a moving assembly for driving the sliding beam 4 to move towards the positioning beam 3 is provided in the moving groove 50, the moving assembly comprises a moving screw 51 rotatably connected in the moving groove 50, the moving screw 51 is parallel to the cross beam 2, the moving screw 51 penetrates through the sliding beam 4 and is in threaded connection with the sliding beam 4, a moving motor 52 is fixed at the end part of the cross beam 2 through a bolt, an output shaft of the moving motor 52 is welded on the moving screw 51, and the moving screw 51 is driven to rotate.

Referring to fig. 1 and 2, coaxial dwang 53 has been welded on the relative lateral wall of workstation 5, dwang 53 is on a parallel with sliding tray 57, dwang 53 level runs through locating beam 3 and sliding beam 4, dwang 53 can slide along the axial on locating beam 3 and sliding beam 4 and rotate round self axis, the tip that workstation 5 was kept away from to dwang 53 is provided with the stopper, the stopper is threaded connection's stop nut 54 on dwang 53, prevent dwang 53 along axial motion and break away from locating beam 3 or sliding beam 4. The relative lateral wall of locating beam 3 and sliding beam 4 is offered the spacing groove 58 that is used for joint workstation 5, rotating workstation 5, the drill bit 38 that makes need work is located the top of workstation 5, sliding beam 4 moves towards locating beam 3 direction, workstation 5 joint is in the spacing groove 58 on sliding beam 4, drive workstation 5 when sliding beam 4 and continue to move towards locating beam 3 direction, make workstation 5 joint to the spacing groove 58 on locating beam 3 in, workstation 5 supports tightly at spacing groove 58 inner wall, thereby realize workstation 5's fixed. The installation roof beam 55 that is vertical setting is all welded to the terminal surface about locating beam 3 and the sliding beam 4, and the line of two installation roof beams 55 is through dwang 53 axis, and auxiliary groove 56 has been seted up to the relative lateral wall of installation roof beam 55, and auxiliary groove 56 is vertical setting and communicates perpendicularly with spacing groove 58, and 5 lateral walls of workstation can joint to auxiliary groove 56 in, workstation 5 is vertical setting this moment, is convenient for observe the condition that two bores chew 38 simultaneous processing.

The implementation principle of the double-sided compression joint backboard drilling device in the embodiment of the application is as follows: the back plate to be drilled is installed on the workbench 5, the back plate is abutted to the supporting plate 7, the clamping cylinder 9 drives the clamping plate 10 to clamp the back plate, the sliding rod 12 drives the designated position of the supporting rod 17 to move, the drill bit 38 slides on the supporting rod 17, and when the drill bit 38 moves to the position of the back plate needing drilling, the back plate is drilled on two sides of the back plate.

The application also discloses a drilling method of the double-sided compression joint back plate drilling device, which comprises the following steps:

s1, mounting the backboard to be drilled on the workbench 5, enabling the backboard to abut against the supporting plate 7, and driving the clamping plate 10 to clamp the backboard by the clamping cylinder 9, so that the backboard is positioned on the workbench 5;

s2, the sliding motor 14 drives the sliding lead screw 13 to rotate, so that the sliding rod 12 moves to a designated position;

s3, the driving motor 31 drives the driving block 23 to move along the length direction of the supporting rod 17, so that the drill bit 38 moves to the position of the back plate where drilling is needed;

s4, the two driving cylinders 36 are started simultaneously to drive the drill bit 38 to move towards the direction close to the backboard, so that the rubber blocks 43 on the two sides of the backboard are abutted against the backboard to play a certain supporting and fixing role on the backboard, one of the drilling motors 37 rotates, the driving cylinder 36 connected with the drilling motor 37 continues to extend to drill the backboard until the specified depth is reached, and the suction fan 48 is used for sucking residues generated in the drilling process while drilling;

s5, after drilling a hole to a certain depth, the driving cylinder 36 drives the drill bit 38 to separate from the backboard, the rubber block 43 continues to abut against two sides of the backboard, the other driving cylinder 36 and the driving motor 31 are started to drive the drill bit 38 to drill the same position on the other side of the backboard until a through hole is formed, and the suction fan 48 is used for sucking residues generated in the drilling process;

and S6, replacing the drill bit 38 on the drilling motor 37 and continuously processing the two ends of the through hole.

The implementation principle of the drilling method of the double-sided compression joint backboard drilling device in the embodiment of the application is as follows: the back plate to be processed is installed on the workbench 5, the two drill bits 38 are moved to the front side and the back side of the position of the back plate to be drilled, one of the drill bits 38 is firstly used for drilling the back plate, when the back plate is drilled to a certain depth, the drill bit 38 is separated from the back plate, the other drill bit 38 is used for drilling the same position of the other side of the back plate, and after the required through hole is formed, the drill bit 38 is replaced, and the two ends of the through hole are processed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.