Fixing device for opening holes in printed circuit board
Technical Field
The invention relates to the technical field of printed circuit board processing equipment, in particular to a fixing device for punching a printed circuit board.
Background
After the printed circuit board is etched, a hole needs to be formed in the substrate, so that the subsequent mounting and fixing of the circuit board are facilitated.
Circuit board trompil equipment among the prior art contains the workstation of placing fixed circuit board, mobilizable drilling equipment, this type of equipment is for guaranteeing normal drilling, and its area that is used for cushioning the workstation of circuit board needs to be greater than the circuit board, and this makes the device volume increase, and the weight of device increases, and after driling many times, the workstation surface receives the damage and needs to be changed, and the change of large tracts of land workstation causes manufacturing cost's rising, to sum up, need improve the printed circuit board trompil equipment among the prior art.
Disclosure of Invention
The invention aims to provide a fixing device for perforating a printed circuit board, which is reasonable in design and convenient to use, aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the drilling device comprises a base, a support, a workbench and a drilling device, wherein the workbench is fixedly arranged on the base, the support is erected above the workbench, the drilling device is fixedly arranged on the support, and the drilling device is arranged above the workbench; the drilling device comprises a base, a positioning assembly, a clamping assembly, a workbench and a drilling device, wherein the positioning assembly is fixedly arranged on the base, the clamping assembly is arranged on the positioning assembly in a sliding manner, the workbench is arranged in the clamping assembly, and the drilling device is arranged above the clamping assembly;
the positioning assembly comprises a first slide rail, a sliding seat, a second slide rail and a mounting seat, wherein two first slide rails are respectively arranged on the left side and the right side of the workbench in parallel, the first slide rails are fixedly arranged on the base, the sliding seat is arranged on the first slide rails in a sliding frame manner, the second slide rails are fixedly arranged on the sliding seat, the two second slide rails are respectively arranged on the front side and the rear side of the workbench in parallel, the mounting seat is arranged on the second slide rails in a sliding manner, and the mounting seat is wound around the workbench; the base is provided with a first lead screw in a rotating mode through a shaft seat bearing, the first lead screw is arranged in parallel to a first sliding rail, a first lead screw thread is arranged on the sliding seat in a rotating mode, the first lead screw penetrates into the sliding seat from the front side of the sliding seat and penetrates out of the rear side of the sliding seat after movably penetrating through the workbench, a first motor is fixedly arranged on the base, and an output shaft of the first motor is fixedly connected with the front end head of the first lead screw after penetrating through the shaft seat; a second lead screw is screwed on the sliding seat through a shaft seat bearing, the second lead screw is arranged in parallel to a second sliding rail, a second lead screw thread is screwed on the mounting seat, the second lead screw penetrates into the mounting seat from the left side of the mounting seat and movably penetrates through the workbench and then penetrates out of the right side of the mounting seat, a second motor is fixedly arranged on the sliding seat, and an output shaft of the second motor penetrates through the shaft seat and then is fixedly connected with the left end head of the second lead screw;
the clamping assembly comprises a lower clamping seat, a fixing plate and an upper clamping seat, wherein the lower clamping seat is fixedly arranged on the mounting seat, the lower clamping seat is wound around the periphery of the workbench, the upper surface of the lower clamping seat is arranged in parallel with the upper surface of the workbench, the fixing plate is fixedly arranged on each of the left side and the right side of the lower clamping seat, three sliding rails are fixedly arranged on the opposite side walls of the two fixing plates respectively, the upper clamping seat is arranged above the lower clamping seat, the left side and the right side of the upper clamping seat are respectively arranged on the three sliding rails on the left side and the right side in a sliding manner, a hydraulic stroke is fixedly arranged on the fixing plate, and an output shaft of the hydraulic stroke is fixedly arranged on the upper surface of the; the drilling device is movably inserted in the upper clamping seat;
the first motor, the second motor and the drilling device are all connected with an external controllable power supply lead, and the hydraulic stroke is connected with an external hydraulic central pipeline.
Furthermore, the front side wall of the upper clamping seat is provided with an opening.
Furthermore, the left side edge and the right side edge of the upper surface of the lower clamping seat are respectively provided with a mounting groove, the mounting grooves are arranged below the upper clamping seat, four sliding rails are fixedly arranged on the front inner side wall and the rear inner side wall of each mounting groove, cushion blocks are arranged in the mounting grooves and are arranged on the four sliding rails in a sliding manner, and the upper surfaces of the cushion blocks are exposed above the lower clamping seat; the lower side wall of the cushion block is fixedly provided with a third lead screw, a screw is screwed on the third lead screw, a limiting seat is fixedly arranged in the mounting groove, the third lead screw movably penetrates through the limiting seat, the screw is clamped in the limiting seat, a worm wheel is fixedly sleeved on the screw, a worm is screwed on a bearing on the limiting seat, the worm wheel is meshed with the worm, the movable end of the worm passes through a side port of the mounting groove and then is arranged on the outer side of the lower clamping seat, and the movable end of the worm is fixedly screwed on the end head.
Furthermore, the upper surface of the lower clamping seat is fixedly provided with a positioning block, the lower surface of the upper clamping seat is provided with a slot, and the positioning block is movably inserted in the slot.
Furthermore, an anti-skid film is fixedly covered on the upper surface of the lower clamping seat.
Furthermore, a rubber pad is fixedly covered on the lower surface of the upper clamping seat.
The working principle of the invention is as follows: placing a circuit board to be drilled on the lower clamping seat, starting a hydraulic stroke, enabling the hydraulic stroke to prop against the upper clamping seat to descend, and clamping and fixing the circuit board through the lower clamping seat and the upper clamping seat; start a motor, drive a lead screw and rotate, and then drive the sliding seat and slide around on a slide rail, start No. two motors, drive No. two lead screws and rotate, and then drive the mount pad and slide from side to side on No. two slide rails, fix the lower clamp seat on the mount pad, go up the clamp seat around, remove about, the drilling position of the tight fixed circuit board of final adjustment clamp, start drilling equipment after treating drilling point location completion, process drilling to the circuit board, with this circulation, treat a slice circuit board processing completion back, start hydraulic stroke and will go up clamp seat and mention, the circuit board that will process the completion takes out can.
After adopting the structure, the invention has the beneficial effects that:
1. the workbench and the drilling device are fixed in position, the printed circuit board is fixed through the clamping assembly capable of being movably positioned, and then the drilling point is positioned through the movable circuit board, so that the size of the workbench is reduced, the production cost of the workbench is reduced, and the loss and replacement cost of the workbench is reduced;
2. the liftable cushion block arranged on the lower clamping seat can be adjusted according to the thickness of a circuit board clamped between the lower clamping seat and the upper clamping seat, so that the thickness of a gap in a clamping state between the lower clamping seat and the upper clamping seat is controlled, and the circuit board is prevented from being damaged by the clamping of the lower clamping seat and the upper clamping seat due to over-tight clamping.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a view a-a in fig. 1.
Fig. 4 is a diagram B-B in fig. 3.
Fig. 5 is a view of C-C in fig. 3.
Fig. 6 is an enlarged view of a portion D in fig. 4.
FIG. 7 is a schematic structural view of the lower clamping seat and the upper clamping seat of the present invention.
Description of reference numerals:
the drilling device comprises a base 1, a support 2, a workbench 3, a drilling device 4, a positioning assembly 5, a first sliding rail 5-1, a sliding seat 5-2, a first screw rod 5-3, a first motor 5-4, a second sliding rail 5-5, a mounting seat 5-6, a second screw rod 5-7, a second motor 5-8, a clamping assembly 6, a lower clamping seat 6-1, a fixing plate 6-2, a third sliding rail 6-3, an upper clamping seat 6-4, a hydraulic stroke 6-5, a mounting groove 7, a fourth sliding rail 8, a cushion block 9, a third screw rod 10, a limiting seat 11, a screw 12, a worm wheel 13, a worm 14, a screwing block 15, a positioning block 16, a slot 17, an anti-skid film 18 and a rubber pad 19.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 7, the present embodiment includes a base 1, a support 2, a workbench 3, and a drilling device 4, wherein the workbench 3 is fixed on the base 1 by bolts, the support 2 is welded on the base 1, the support 2 is erected above the workbench 3, the drilling device 4 is fixed on the support 2 by bolts, and the drilling device 4 is arranged above the workbench 3; the drilling machine also comprises a positioning component 5 and a clamping component 6, wherein the positioning component 5 is fixedly arranged on the base 1, the clamping component 6 is arranged on the positioning component 5 in a sliding manner, the workbench 3 is arranged in the clamping component 6, and the drilling device 4 is arranged above the clamping component 6;
the positioning assembly 5 comprises a first slide rail 5-1, a slide seat 5-2, a second slide rail 5-5 and a mounting seat 5-6, wherein two first slide rails 5-1 are respectively arranged on the left side and the right side of the workbench 3 in parallel, the first slide rail 5-1 is riveted on the base 1, the slide seat 5-2 is arranged on the first slide rail 5-1 in a sliding frame manner, the second slide rail 5-5 is riveted on the slide seat 5-2, the two second slide rails 5-5 are respectively arranged on the front side and the rear side of the workbench 3 in parallel, the mounting seat 5-6 is arranged on the second slide rail 5-5 in a sliding manner, and the mounting seat 5-6 is wound around the workbench 3; a first screw rod 5-3 is screwed on the base 1 through a shaft seat bearing, the first screw rod 5-3 is arranged in parallel to a first slide rail 5-1, a first screw rod 5-3 is screwed on the slide seat 5-2 in a threaded manner, the first screw rod 5-3 penetrates into the slide seat 5-2 from the front side of the slide seat 5-2 and penetrates out of the rear side of the slide seat 5-2 after movably penetrating through the workbench 3, a first motor 5-4 is riveted on the base 1, and an output shaft of the first motor 5-4 penetrates through the shaft seat and then is fixedly connected with the front end of the first screw rod 5-3; a second screw rod 5-7 is arranged on the sliding seat 5-2 in a rotating mode through a shaft seat bearing, the second screw rod 5-7 is arranged in parallel to a second sliding rail 5-5, a second screw rod 5-7 is arranged on the mounting seat 5-6 in a rotating mode through threads, the second screw rod 5-7 penetrates into the mounting seat 5-6 from the left side of the mounting seat 5-6 and penetrates out of the right side of the mounting seat 5-6 after movably penetrating through the workbench 3, a second motor 5-8 is riveted on the sliding seat 5-2, and an output shaft of the second motor 5-8 penetrates through the shaft seat and then is fixedly connected with the left end head of the second screw rod 5-7;
the clamping assembly 6 comprises a lower clamping seat 6-1, a fixing plate 6-2 and an upper clamping seat 6-4, wherein the lower clamping seat 6-1 is riveted on a mounting seat 5-6, the lower clamping seat 6-1 is wound around the periphery of the workbench 3, the upper surface of the lower clamping seat 6-1 is arranged in parallel with the upper surface of the workbench 3, an anti-skidding film 18 is covered and glued on the upper surface of the lower clamping seat 6-1, the fixing plates 6-2 are respectively welded on the left side and the right side of the lower clamping seat 6-1, three sliding rails 6-3 are respectively riveted on the opposite side walls of the two fixing plates 6-2, the upper clamping seat 6-4 is arranged above the lower clamping seat 6-1, the front side opening of the upper clamping seat 6-4 is arranged so as to be conveniently taken when a circuit board is taken and taken, a positioning block 16 is welded on the upper surface of the lower clamping seat 6-1, the lower surface of the upper clamping seat 6-4 is provided with a slot 17, the positioning block 16 is movably inserted in the slot 17, when a circuit board is placed, one corner of the circuit board is abutted against the positioning block 16, the accurate placement of the circuit board can be ensured, the lower surface of the upper clamping seat 6-4 is fixedly glued with a rubber pad 19, the rubber pad 19 is matched with an anti-slip film 18, the circuit board can be clamped and prevented from sliding, the left side and the right side of the upper clamping seat 6-4 are respectively arranged on three sliding rails 6-3 on the left side and the right side in a sliding manner, a hydraulic stroke 6-5 is riveted on the fixing plate 6-2, and an output shaft of the hydraulic stroke 6-5 is riveted on the upper surface of; the drilling device 4 is movably inserted in the upper clamping seat 6-4; the left side and the right side of the upper surface of the lower clamping seat 6-1 are respectively provided with a mounting groove 7, the mounting grooves 7 are arranged below the upper clamping seat 6-4, the front inner side wall and the rear inner side wall of each mounting groove 7 are riveted with a fourth sliding rail 8, a cushion block 9 is arranged in each mounting groove 7, each cushion block 9 is arranged on the corresponding fourth sliding rail 8 in a sliding manner, and the upper surface of each cushion block 9 is exposed above the lower clamping seat 6-1; a third screw rod 10 is welded on the lower side wall of the cushion block 9, a nut 12 is screwed on the third screw rod 10 through threads, a limiting seat 11 is welded in the mounting groove 7, the third screw rod 10 movably penetrates through the limiting seat 11, the nut 12 is clamped in the limiting seat 11, a worm wheel 13 is fixedly sleeved on the nut 12, a worm 14 is screwed on a bearing on the limiting seat 11, the worm wheel 13 is meshed with the worm 14, the movable end of the worm 14 is arranged on the outer side of the lower clamping seat 6-1 after passing through a side port of the mounting groove 7, and a screwed part 15 is welded on the movable end head of the worm 14;
the first motor 5-4, the second motor 5-8 and the drilling device 4 are all connected with an external controllable power supply lead, and the hydraulic stroke 6-5 is connected with an external hydraulic central pipeline.
The working principle is as follows: placing a circuit board to be drilled on the lower clamping seat 6-1, starting a hydraulic stroke 6-5, enabling the hydraulic stroke 6-5 to prop against the upper clamping seat 6-4 to descend, and clamping and fixing the circuit board through the lower clamping seat 6-1 and the upper clamping seat 6-4; starting a first motor 5-4 to drive a first screw rod 5-3 to rotate, further driving a sliding seat 5-2 to slide back and forth on a first sliding rail 5-1, starting a second motor 5-8 to drive a second screw rod 5-7 to rotate, further driving an installation seat 5-6 to slide left and right on a second sliding rail 5-5, moving a lower clamping seat 6-1 and an upper clamping seat 6-4 which are fixed on the installation seat 5-6 back and forth and left and right, finally adjusting the drilling position of a circuit board which is clamped and fixed, starting a drilling device 4 after the positioning of a drilling point is finished, drilling the circuit board, circulating the steps, starting a hydraulic stroke 6-5 to lift the upper clamping seat 6-4 after the processing of one circuit board is finished, and taking out the processed circuit board;
when a circuit board is clamped by the lower clamping seat 6-1 and the upper clamping seat 6-4, the height of the cushion block 9 is adjusted according to the thickness of the circuit board, the cushion block 9 is clamped between the lower clamping seat 6-1 and the upper clamping seat 6-4, the thickness of a gap between the lower clamping seat 6-1 and the upper clamping seat 6-4 is controlled, the thickness of the clamping gap between the lower clamping seat 6-1 and the upper clamping seat 6-4 is set to be 'A-1 mm', wherein A is the thickness of the circuit board, and the adjustment mode of the cushion block 9 is as follows: the worm 14 is driven to rotate by rotating the screw 15, the worm 14 drives the worm wheel 13 to rotate, the worm wheel 13 drives the screw 12 to rotate, the screw 12 rotates on the third screw rod 10, the third screw rod 10 is controlled to lift, and then the cushion block 9 is adjusted to lift.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. the workbench 3 and the drilling device 4 are fixed in position, the printed circuit board is fixed through the clamping assembly 6 capable of being movably positioned, and then the drilling point is positioned through the movable circuit board, so that the size of the workbench 3 is reduced, the production cost of the workbench 3 is reduced, and the cost of the loss and replacement of the workbench 3 is reduced;
2. the lifting cushion block 9 arranged on the lower clamping seat 6-1 can be adjusted according to the thickness of a circuit board clamped between the lower clamping seat 6-1 and the upper clamping seat 6-4, so that the thickness of a gap between the lower clamping seat 6-1 and the upper clamping seat 6-4 in a clamping state is controlled, and the circuit board is prevented from being damaged by the clamping of the lower clamping seat 6-1 and the upper clamping seat 6-4 due to over-tight clamping.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.