CN109332865B - Novel micro-drill automatic welding device and welding method - Google Patents
Novel micro-drill automatic welding device and welding method Download PDFInfo
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- CN109332865B CN109332865B CN201811364731.9A CN201811364731A CN109332865B CN 109332865 B CN109332865 B CN 109332865B CN 201811364731 A CN201811364731 A CN 201811364731A CN 109332865 B CN109332865 B CN 109332865B
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- 238000003466 welding Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims description 35
- 238000005553 drilling Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000011079 streamline operation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
Abstract
The invention provides a novel micro-drill automatic welding device and a welding method, wherein the welding device comprises a base, the upper end of the base is provided with a telescopic workbench, the left side and the right side of the upper end of the telescopic workbench are oppositely provided with a drill shank feeding mechanism capable of feeding materials automatically one by one and a drill bit feeding mechanism capable of feeding materials automatically one by one, electrodes for welding are arranged above the discharge ends of the drill shank feeding mechanism and the drill bit feeding mechanism, the electrodes are connected with a pressing mechanism, a drill bit conveying mechanism is arranged above the drill bit feeding mechanism, and the drill bit conveying mechanism is connected with the drill bit feeding mechanism through a conveying assembly. The device has compact structure and small occupied area, realizes the rapid pipelining operation of automatic micro-drill welding, and improves the efficiency and quality of micro-drill welding.
Description
Technical Field
The invention relates to the technical field of micro-drilling processing, in particular to a novel micro-drilling automatic welding device and a welding method.
Background
The micro-drill is more and more important in the field of printed circuit board processing and drilling, the micro-drill comprises a drill shank and a drill bit, the drill shank and the drill bit are usually processed separately, then the drill shank and the drill bit are welded together, finally the excircle grinding processing of the drill bit is carried out, the drill shank and the drill bit of the micro-drill are smaller in size, and particularly, the problem that how to realize automatic feeding of the drill shank and the drill bit one by one and effective and rapid butt joint together and welding is an urgent need to be solved.
CN202934257U discloses a micro-drilling welding manipulator and a micro-drilling automatic welding machine, comprising a first structural component which enables a workpiece to move left and right, a second structural component which enables the workpiece to move up and down, and a third structural component which is used for clamping the workpiece, wherein a fine tuning sliding block and a clamping jaw which is connected with the fine tuning sliding block are driven by a clamping cylinder, so that the clamping of the workpiece is realized. The device adopts the clamping jaw to clamp the workpiece, and the drill shank and the drill bit size are smaller, and the clamping accuracy requirement on the clamping jaw is very high, and the grabbing efficiency of the drill shank and the drill bit is lower.
Disclosure of Invention
The novel automatic micro-drill welding device and the welding method provided by the invention have the advantages that the structure is compact, the occupied area is small, the quick feeding of drill handles and drill bits one by one is realized, the quick flow production of automatic micro-drill welding is realized, and the efficiency and the quality of micro-drill welding are improved.
The technical scheme of the invention is realized as follows: the utility model provides a novel micro-drill automatic weld device, the on-line screen storage device comprises a base, the upper end of base is provided with telescopic workbench, the left and right sides subtend of telescopic workbench upper end is provided with the drill shank feed mechanism of automatic feeding one by one and the drill bit feed mechanism of automatic feeding one by one, the top of drill shank feed mechanism and drill bit feed mechanism discharge end all is provided with the electrode that is used for welded, the electrode links to each other with hold-down mechanism, drill bit feed mechanism's top is provided with drill bit conveying mechanism, link to each other through conveying assembly between drill bit conveying mechanism and the drill bit feed mechanism.
Further, drill bit conveying mechanism includes the drill bit charging frame, the lower extreme of drill bit charging frame is provided with vibrating motor, the bottom of drill bit charging frame is provided with ascending round platform, the inside wall of drill bit charging frame is provided with spiral ascending delivery plate, the lower extreme feed inlet of delivery plate links to each other with drill bit charging frame bottom, the upper end discharge gate of delivery plate is provided with the flitch that only holds a drill bit to pass through, one side that the drill bit charging frame was kept away from to the flitch is provided with the baffle, the conveying assembly is including setting up in the fixing base that the flitch was kept away from to the flitch one end upside, be provided with hard conveyer pipe between fixing base and the flitch, the flitch is arranged in to the one end of hard conveyer pipe, the other end links to each other with soft conveyer pipe.
Further, drill bit feed mechanism includes first material loading platform, be provided with the first extensible member that is used for driving first ejector pin removal on the telescopic bench on first material loading platform right side, be provided with first material loading groove along first ejector pin direction of movement on the first material loading platform, first material loading bench of first material loading groove one side slides and is provided with the push pedal, the one end that first material loading groove was kept away from to the push pedal links to each other with the second extensible member, the second extensible member sets up on telescopic bench, all be provided with the stopper on the first material loading platform of push pedal both sides, the stopper on right side is provided with the delivery port that links to each other with soft conveyer pipe near the one end of first material loading groove, the position that left side restriction piece corresponds the delivery port is provided with drill bit material loading sensor.
Further, the drill shank feed mechanism comprises a second feed table, a third telescopic piece used for driving the second ejector rod to move is arranged on a telescopic workbench on the left side of the second feed table, a second feed groove is arranged on the second feed table along the moving direction of the second ejector rod, drill shank feed frames which are fed one by one are arranged on the left side of the upper end of the second feed table, a discharge hole of each drill shank feed frame is located above the second feed groove, and a drill shank feed sensor is arranged in each second feed groove.
Further, the upside of drill shank charging frame one end is provided with vertical decurrent fourth extensible member, and the downside is provided with vertical spout, articulates in the spout has the dog, and dog one end is located drill shank charging frame, and the other end is articulated with fourth extensible member, and the one end that the drill shank charging frame kept away from fourth extensible member downward sloping to the second material loading groove, and with the one end that the dog kept away from fourth extensible member offset.
Further, the hold-down mechanism includes the hold-down plate, and hold-down plate one end links to each other with the upper end of electrode, and the upside of the other end is provided with vertical decurrent fifth extensible member, and fifth extensible member links to each other with the fixture block, is provided with the draw-in groove on the telescopic bench of fifth extensible member below, and the fixture block vertically slides and sets up in the draw-in groove, and the hold-down plate between electrode and the fifth extensible member is articulated with the backup pad, and the backup pad sets up on the telescopic bench of hold-down plate below.
Further, the telescopic workbench comprises a first supporting table and a second supporting table arranged on the base in a sliding mode, the first supporting table is arranged on the base through a first support, a second support is arranged on the base below the second supporting table, a sixth telescopic piece is arranged at the upper end of the second support, a third support is arranged at the upper end of the sixth telescopic piece, the second supporting table is arranged on the third support in a sliding mode, and the sixth telescopic piece is connected with a vertical plate arranged on the right side of the second supporting table.
Further, drill bit feed mechanism is located the upper end of second brace table, drill shank feed mechanism is located the upper end of first brace table, the below between first brace table and the second brace table is provided with downward V-arrangement blown down tank of slope, be provided with the collection silo on the base, the right-hand member of collection silo is located the below of V-arrangement blown down tank discharge gate, the right-hand member of collection silo is provided with upper and lower both ends open-ended V-arrangement guide way, be provided with the flitch in the collection silo of V-arrangement guide way below, the flitch links to each other with seventh extensible member, the seventh extensible member sets up on the base of collection silo right side.
Further, the sixth telescopic member is the telescopic cylinder, and telescopic cylinder's piston rod slidable passes the riser that sets up in the second brace table right side, is provided with first limiting plate on the piston rod on riser right side, and the cover is equipped with the spring on the piston rod between first limiting plate and the riser, is provided with the second limiting plate on the left side piston rod.
The automatic micro-drill welding method adopts the novel automatic micro-drill welding device and comprises the following steps:
(1) The drill bit is placed in the drill bit feeding frame, the vibration motor is started, the drill bit enters the discharging plate along the conveying plate and sequentially passes through the hard conveying pipe, the soft conveying pipe and the conveying hole to reach the first feeding table, the drill shank is placed in the drill shank feeding frame, the fourth telescopic piece is started to stretch to drive the stop dog to open the discharging hole of the drill shank feeding frame, and the drill shank slides down to the second feeding groove;
(2) After the drill bit feeding sensor senses a drill bit, the second telescopic piece is started to extend to drive the push plate to convey the drill bit to the first feeding groove, the first telescopic piece is started to extend to drive the first ejector rod to convey the drill bit to the lower part of the right electrode, after the drill stem feeding sensor senses a drill stem, the fourth telescopic piece is contracted to drive the stop block to close the discharge hole of the drill stem feeding frame, and meanwhile the third telescopic piece is started to extend to drive the second ejector rod to convey the drill stem to the lower part of the left electrode;
(3) Starting the sixth telescopic piece to shrink to drive the second supporting table to move left until the right end of the drill shank is propped against the left end of the drill bit, starting the fifth telescopic piece to extend to enable the clamping block to prop against the bottom of the clamping groove, so that the pressing plate drives the electrode to move downwards, the electrode on the left side moves downwards to the drill shank, the electrode on the right side moves downwards to the drill bit, the two electrodes are electrified, and the drill shank and the drill bit are welded to form a micro drill;
(4) The fifth telescopic piece is started to shrink, so that the compression plate drives the electrode to loosen the micro drill, the sixth telescopic piece is started to stretch to drive the second supporting table to move rightwards, the micro drill falls into the V-shaped discharging groove, slides to the V-shaped guiding groove along the V-shaped discharging groove, falls into the collecting groove below the V-shaped guiding groove, and starts the seventh telescopic piece to stretch to drive the pushing plate to convey the micro drill into the collecting groove on the left side of the V-shaped guiding groove;
(5) And (3) after the second supporting table returns to the original position in the step (4), starting the second telescopic piece and the first telescopic piece to shrink, conveying the next drill bit to the first feeding table, starting the third telescopic piece to shrink, starting the fourth telescopic piece to stretch and drive the stop block to open the discharge hole of the drill handle feeding frame, and then sliding the next drill handle downwards to the second feeding groove, and repeating the steps (2) - (4).
The invention has the beneficial effects that: according to the automatic micro-drill welding device, the drill handle feeding mechanism capable of feeding automatically one by one is matched with the drill bit feeding mechanism capable of feeding automatically one by one, so that the drill handles and the drill bits are in one-to-one accurate butt joint, the welding of the drill handles and the drill bits is realized through the current input by the electrodes, the device is compact in structure and small in occupied area, the rapid streamline operation of automatic micro-drill welding is realized, and the efficiency and the quality of micro-drill welding are improved.
According to the invention, the drill bit in the drill bit feeding frame is lifted to the discharging plate along the conveying plate by the vibrating motor, only one drill bit passes through the discharging plate, and the baffle is arranged on one side of the discharging plate far away from the drill bit feeding frame, so that excessive drill bits are prevented from entering the discharging plate to influence conveying, and the excessive drill bits are rearranged at the discharging hole of the conveying plate along with vibration or fall to the lower layer to be conveyed again, so that the drill bits are conveyed rapidly one by one along the hard conveying pipe and the soft conveying pipe.
According to the invention, the push plate, the second telescopic piece and the drill bit feeding sensor are matched, so that the drill bits are discharged one by one from the conveying holes, and are conveyed to the first feeding groove one by the push plate, and the drill bit feeding mechanism and the drill bit conveying mechanism are matched, so that the drill bits are fed one by one.
According to the invention, the drill shank feeding frame, the fourth telescopic piece, the baffle and the drill shank feeding sensor are matched to realize the opening and closing of the discharge hole of the drill shank feeding frame, so that the automatic feeding of the drill shanks one by one is realized; the pressing mechanism is used for controlling the downward movement and the upward movement of the electrode through the lever principle, so that the welding and the loosening of the drill handle and the drill bit are realized, and meanwhile, the automatic blanking of the micro drill which is welded is convenient.
The piston rod between the first limiting plate and the vertical plate is sleeved with the spring, so that when the drill bit and the drill shank are butted together, the distance between the first feeding table and the second feeding table can be automatically adjusted according to the lengths of the drill bit and the drill shank, and the device is suitable for the change of the lengths of the drill bit and the drill shank after workpieces to be processed or welded with different lengths.
According to the invention, the V-shaped discharging groove is matched with the V-shaped guiding groove, so that fallen micro drills are automatically and orderly arranged in the collecting groove, and the seventh telescopic piece pushes out the micro drills from the lower part of the V-shaped guiding groove in time, so that the smooth discharging of the micro drills is ensured, the whole micro drill discharging process is free from manual arrangement, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged view of a portion of B in FIG. 3;
fig. 5 is a left side view of the drill shank feed block.
FIG. 6 is a top view of a drill feed frame;
FIG. 7 is a cross-sectional view of A-A of FIG. 6;
fig. 8 is a schematic structural view of the pressing mechanism.
The drill bit feeding frame 3, the vibrating motor 4, the fourth support 5, the round table 6, the conveying plate 7, the discharging plate 8, the baffle 9, the fixing seat 10, the hard conveying pipe 11, the soft conveying pipe 12, the first feeding table 13, the first telescopic piece 14, the first ejector rod 15, the first feeding groove 16, the push plate 17, the second telescopic piece 18, the limiting block 19, the drill bit feeding sensor 20, the second feeding table 21, the second ejector rod 22, the second feeding groove 23, the drill shank feeding frame 24, the drill shank feeding sensor 25, the fourth telescopic piece 26, the chute 27, the stop block 28, the pressing plate 29, the fifth telescopic piece 30, the clamping block 31, the clamping groove 32, the supporting plate 33, the first supporting table 34, the second supporting table 35, the first support 36, the second support 37, the sixth telescopic piece 38, the third support 39, the vertical plate 40, the first limiting plate 41, the spring 42, the second limiting plate 43, the V-shaped discharging groove 44, the aggregate groove 45, the V-shaped guide groove 46, the seventh telescopic piece 47, and the third telescopic piece 49.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-8, a novel micro-drill automatic welding device comprises a base 1, wherein a telescopic workbench is arranged at the upper end of the base 1, a drill shank feeding mechanism capable of feeding automatically one by one and a drill bit feeding mechanism capable of feeding automatically one by one are oppositely arranged at the left side and the right side of the upper end of the telescopic workbench, electrodes 2 used for welding are arranged above the discharge ends of the drill shank feeding mechanism and the drill bit feeding mechanism, the electrodes 2 are connected with a pressing mechanism, a drill bit conveying mechanism is arranged above the drill bit feeding mechanism, and the drill bit conveying mechanism is connected with the drill bit feeding mechanism through a conveying assembly.
The drill bit conveying mechanism comprises a drill bit feeding frame 3 with an opening cylindrical upper end, a vibrating motor 4 is fixed at the lower end of the drill bit feeding frame 3, the vibrating motor 4 is fixed on a base 1 through a fourth support 5, an upward round table 6 is fixed at the central position of the bottom of the drill bit feeding frame 3, a spiral upward conveying plate 7 is arranged on the inner side wall of the drill bit feeding frame 3, a lower end feeding hole of the conveying plate 7 is connected with the bottom of the drill bit feeding frame 3, a discharging plate 8 for only containing one drill bit to pass through is arranged at the upper end discharging hole of the conveying plate 7 along the drill bit feeding frame 3, the width of the discharging plate 8 is smaller than that of the conveying plate 7, a baffle 9 is arranged on one side, away from the drill bit feeding frame 3, of the discharging plate 8, of the conveying assembly comprises a fixing seat 10 fixed on the drill bit feeding frame 3 above the discharging plate 8 through bolts, a hard conveying pipe 11 is arranged between the fixing seat 10 and the discharging plate 8, the hard conveying pipe 11 is fixedly connected with the lower end of the fixing seat 10, one end of the hard conveying pipe 11 is arranged on the discharging plate 8, the other end of the hard conveying pipe 12 is connected with a soft conveying pipe 12, the hard conveying pipe 11 and the soft conveying pipe 12 are slightly larger than the drill bit 7, the drill bit and the drill bit feeding frame 3 are integrally arranged on the conveying plate 3, the conveying plate and the conveying plate 3, and the baffle 9 is used for conveying the drill bit feeding frame.
The drill bit feeding mechanism comprises a first feeding table 13 fixed on a telescopic workbench through bolts, a first telescopic piece 14 for driving a first ejector rod 15 is horizontally fixed on the telescopic workbench on the right side of the first feeding table 13, a first feeding groove 16 is arranged on the first feeding table 13 along the moving direction of the first ejector rod 15, the first telescopic piece 14 is a telescopic cylinder, the right end of the first ejector rod 15 is connected with a piston rod of the telescopic cylinder, the left end is slidingly arranged in the first feeding groove 16, a push plate 17 is slidingly arranged on the first feeding table 13 on one side of the first feeding groove 16, one end of the push plate 17 far away from the first feeding groove 16 is connected with a second telescopic piece 18, the piston rod of the telescopic cylinder is connected with the push plate 17, the second telescopic piece 18 is fixed on the telescopic workbench on one side of the first feeding table 13, a limiting block 19 is fixedly arranged on the first feeding table 13 on two sides of the push plate 17 through bolts, one end, close to the first feeding groove 16, of the limiting block 19 on the right side is provided with a conveying block 19 connected with a soft conveying pipe 12, and the position sensor 20 is arranged on the left side of the drill bit, and corresponds to a bit position sensor 20.
The drill shank feeding mechanism comprises a second feeding table 21, a third telescopic piece 49 for driving a second ejector rod 22 is horizontally arranged on a telescopic workbench on the left side of the second feeding table 21, a second feeding groove 23 is arranged on the second feeding table 21 along the moving direction of the second ejector rod 22, the third telescopic piece 49 is a telescopic cylinder, the left end of a second top plate is connected with a piston rod of the telescopic cylinder, the right end of the second top plate is slidingly arranged in the second feeding groove 23, drill shank feeding frames 24 which are fed one by one are vertically and upwards fixed on the right side of the upper end of the second feeding table 21, a discharge hole of each drill shank feeding frame 24 is positioned above the second feeding groove 23, a drill shank feeding sensor 25 is arranged in the second feeding groove 23 corresponding to the discharge hole of each drill shank feeding frame 24, and the drill shank feeding sensor 20 is an opposite-jet infrared sensor, and the receiving end and the transmitting end of the opposite-jet infrared sensor are arranged on the inner side wall of the second feeding groove 23.
The upside of drill shank charging frame 24 one end is fixed with vertical decurrent fourth extensible member 26, and fourth extensible member 26 is flexible cylinder, and the downside is provided with vertical spout 27, articulates in the spout 27 has dog 28, and dog 28 one end is located drill shank charging frame 24, and the other end is articulated with the piston rod of flexible cylinder, and the one end that fourth extensible member 26 was kept away from to drill shank charging frame 24 is inclined to one side that fourth extensible member 26 was kept away from to second charging groove 23, and offsets with the one end that fourth extensible member 26 was kept away from to dog 28.
The compressing mechanism comprises a compressing plate 29, one end of the compressing plate 29 is sleeved at the upper end of the electrode 2, a fifth vertical-downward telescopic piece 30 is arranged at the upper side of the other end of the compressing plate, the fifth telescopic piece 30 is a telescopic cylinder, a piston rod of the telescopic cylinder slides through the compressing plate 29 to be connected with a clamping block 31, a clamping groove 32 is fixed on a telescopic workbench below the fifth telescopic piece 30, the clamping block 31 vertically slides in the clamping groove 32, the compressing plate 29 between the electrode 2 and the fifth telescopic piece 30 is hinged with the upper end of a supporting plate 33, and the lower end of the supporting plate 33 is fixed on the telescopic workbench below the compressing plate 29.
The telescopic workbench comprises a first supporting table 34 and a second supporting table 35 which is arranged on the base 1 in a sliding manner, wherein the first supporting table 34 is fixed on the base 1 through a first supporting seat 36, a second supporting seat 37 is fixed on the base 1 below the second supporting table 35, a sixth telescopic piece 38 is fixed at the upper end of the second supporting seat 37, a third supporting seat 39 is fixed at the upper end of the sixth telescopic piece 38, the second supporting table 35 is arranged at the upper end of the third supporting seat 39 in a sliding manner, the sixth telescopic piece 38 is a telescopic cylinder, a piston rod of the telescopic cylinder slidably penetrates through a vertical plate 40 fixed on the right side of the second supporting table 35, a first limiting plate 41 is fixed on a piston rod on the right side of the vertical plate 40, a spring 42 is sleeved on the piston rod between the first limiting plate 41 and the vertical plate 40, and a second limiting plate 43 is fixed on the left piston rod.
The first material loading platform 13 is located the left side of second brace table 35 upper end, the right side that the second material loading platform 21 is located first brace table 34 upper end, the below between first brace table 34 and the second brace table 35 is provided with downward V-arrangement blown down tank 44 of slope, aggregate tank 45 has been placed on the base 1, the right-hand member of aggregate tank 45 is located the below of V-arrangement blown down tank 44 discharge gate, the right-hand member of aggregate tank 45 is fixed with upper and lower both ends open-ended V-arrangement guide tank 46 through the bolt, be provided with the ejector pad 47 in the aggregate tank 45 of V-arrangement guide tank 46 below, ejector pad 47 links to each other with seventh extensible member 48, seventh extensible member 48 is flexible cylinder, seventh extensible member 48 is fixed in on the base 1 on the right side of aggregate tank 45 horizontally.
The automatic micro-drill welding method adopts the novel automatic micro-drill welding device and comprises the following steps:
(1) Placing a plurality of drill bits in the drill bit feeding frame 3, starting a vibrating motor 4, enabling the drill bits to enter a discharging plate 8 along a conveying plate 7, enabling the drill bits to reach a first feeding table 13 sequentially through a hard conveying pipe 11, a soft conveying pipe 12 and conveying holes, placing a plurality of drill handles in a drill handle feeding frame 24, starting a fourth telescopic piece 26 to stretch to drive a stop block 28 to open a discharging hole of the drill handle feeding frame 24, and enabling the drill handles to slide down to a second feeding groove 23;
(2) After the drill bit feeding sensor 20 senses a drill bit, the second telescopic piece 18 is started to extend to drive the push plate 17 to convey the drill bit to the first feeding groove 16, the first telescopic piece 14 is started to extend to drive the first ejector rod 15 to convey the drill bit to the lower side of the right electrode 2, after the drill stem feeding sensor 25 senses a drill stem, the fourth telescopic piece 26 is contracted to drive the stop block 28 to close a discharge hole of the drill stem feeding frame 24, and meanwhile, the third telescopic piece 49 is started to extend to drive the second ejector rod 22 to convey the drill stem to the lower side of the left electrode 2;
(3) The sixth telescopic piece 38 is started to shrink to drive the second supporting table 35 to move left until the right end of the drill shank is propped against the left end of the drill bit, then the fifth telescopic piece 30 is started to stretch to enable the clamping block 31 to prop against the bottom of the clamping groove 32, so that the pressing plate 29 drives the electrode 2 to move downwards, the electrode 2 on the left side moves downwards to the drill shank, the electrode 2 on the right side moves downwards to the drill bit, the two electrodes 2 are electrified, and the drill shank and the drill bit are welded to form a micro drill;
(4) The fifth telescopic piece 30 is started to shrink, so that the compacting plate 29 drives the electrode 2 to loosen the micro-drill, the sixth telescopic piece 38 is started to stretch to drive the second supporting table 35 to move rightwards, the micro-drill falls into the V-shaped discharging groove 44, slides to the V-shaped guiding groove 46 along the V-shaped discharging groove 44, falls into the collecting groove 45 below from the V-shaped guiding groove 46, and starts the seventh telescopic piece 48 to stretch to drive the pushing plate 47 to convey the micro-drill into the collecting groove 45 on the left side of the V-shaped guiding groove 46;
(5) After the second supporting table 35 returns to the original position in the step (4), the second telescopic member 18 and the first telescopic member 14 are started to shrink, the next drill bit is sent to the first feeding table 13, the third telescopic member 49 is started to shrink, the fourth telescopic member 26 is started to stretch to drive the stop block 28 to open the discharge hole of the drill shank feeding frame 24, the next drill shank slides down to the second feeding groove 23, and then the steps (2) - (4) are repeated.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. Novel micro-drill automatic welding device is characterized in that: the automatic feeding device comprises a base (1), wherein a telescopic workbench is arranged at the upper end of the base (1), a drill stem feeding mechanism capable of feeding automatically one by one and a drill bit feeding mechanism capable of feeding automatically one by one are oppositely arranged at the left side and the right side of the upper end of the telescopic workbench, electrodes (2) for welding are arranged above the discharge ends of the drill stem feeding mechanism and the drill bit feeding mechanism, the electrodes (2) are connected with a pressing mechanism, a drill bit conveying mechanism is arranged above the drill bit feeding mechanism, and the drill bit conveying mechanism is connected with the drill bit feeding mechanism through a conveying assembly;
the pressing mechanism comprises a pressing plate (29), one end of the pressing plate (29) is connected with the upper end of the electrode (2), a fifth vertical telescopic piece (30) is arranged at the other end of the pressing plate, the fifth telescopic piece (30) is connected with a clamping block (31), a clamping groove (32) is formed in a telescopic workbench below the fifth telescopic piece (30), the clamping block (31) is vertically and slidably arranged in the clamping groove (32), the pressing plate (29) between the electrode (2) and the fifth telescopic piece (30) is hinged with a supporting plate (33), and the supporting plate (33) is arranged on the telescopic workbench below the pressing plate (29);
the telescopic workbench comprises a first supporting table (34) and a second supporting table (35) which is arranged on the base (1) in a sliding manner, wherein the first supporting table (34) is arranged on the base (1) through a first support (36), a second support (37) is arranged on the base (1) below the second supporting table (35), a sixth telescopic piece (38) is arranged at the upper end of the second support (37), a third support (39) is arranged at the upper end of the sixth telescopic piece (38), the second supporting table (35) is arranged on the third support (39) in a sliding manner, and the sixth telescopic piece (38) is connected with a vertical plate (40) arranged on the right side of the second supporting table (35);
drill bit feed mechanism is located the upper end of second brace table (35), drill shank feed mechanism is located the upper end of first brace table (34), the below between first brace table (34) and second brace table (35) is provided with slope decurrent V-arrangement blown down tank (44), be provided with collection silo (45) on base (1), collection silo (45) right-hand member is located the below of V-arrangement blown down tank (44) discharge gate, collection silo (45) right-hand member is provided with upper and lower both ends open-ended V-arrangement guide tank (46), be provided with in collection silo (45) of V-arrangement guide tank (46) below and push away flitch (47), push away flitch (47) and seventh extensible member (48) link to each other, seventh extensible member (48) set up on base (1) on collection silo (45) right side.
2. The novel micro-drill automatic welding device according to claim 1, wherein: the drill bit conveying mechanism comprises a drill bit feeding frame (3), a vibrating motor (4) is arranged at the lower end of the drill bit feeding frame (3), a spiral upward conveying plate (7) is arranged on the inner side wall of the drill bit feeding frame (3), a lower end feeding hole of the conveying plate (7) is connected with the bottom of the drill bit feeding frame (3), a discharging plate (8) for only containing a drill bit to pass through is arranged at the upper end discharging hole, a baffle (9) is arranged on one side, far away from the drill bit feeding frame (3), of the discharging plate (8), the conveying assembly comprises a fixing seat (10) arranged on the upper side of the discharging plate (8), a hard conveying pipe (11) is arranged between the fixing seat (10) and the discharging plate (8), one end of the hard conveying pipe (11) is arranged on the discharging plate (8), and the other end of the hard conveying pipe is connected with a soft conveying pipe (12).
3. The novel micro-drill automatic welding device according to claim 2, wherein: the drill bit feeding mechanism comprises a first feeding table (13), a first telescopic piece (14) used for driving a first ejector rod (15) to move is arranged on a telescopic workbench on the right side of the first feeding table (13), a first feeding groove (16) is arranged on the first feeding table (13) along the moving direction of the first ejector rod (15), a push plate (17) is arranged on the first feeding table (13) on one side of the first feeding groove (16) in a sliding mode, one end, far away from the first feeding groove (16), of the push plate (17) is connected with a second telescopic piece (18), the second telescopic piece (18) is arranged on the telescopic workbench, limiting blocks (19) on the right side are arranged on the first feeding table (13) on two sides of the push plate (17), conveying holes connected with the soft conveying pipes (12) are formed in one end, close to the first feeding groove (16), and a drill bit feeding sensor (20) is arranged at the position, corresponding to the conveying holes, of the limiting blocks (19) on the left side.
4. The novel micro-drill automatic welding device according to claim 1, wherein: the drill shank feeding mechanism comprises a second feeding table (21), a third telescopic piece (49) used for driving a second ejector rod (22) to move is arranged on a telescopic workbench on the left side of the second feeding table (21), a second feeding groove (23) is arranged on the second feeding table (21) along the moving direction of the second ejector rod (22), drill shank feeding frames (24) for feeding materials one by one are arranged on the left side of the upper end of the second feeding table (21), a discharge hole of each drill shank feeding frame (24) is located above the corresponding second feeding groove (23), and a drill shank feeding sensor (25) is arranged in the corresponding second feeding groove (23).
5. The novel micro-drill automatic welding device according to claim 4, wherein: the upside of drill shank charging frame (24) one end is provided with vertical decurrent fourth extensible member (26), and the downside is provided with vertical spout (27), articulates in spout (27) has dog (28), and dog (28) one end is located drill shank charging frame (24), and the other end is articulated with fourth extensible member (26), and one end that fourth extensible member (26) was kept away from to drill shank charging frame (24) leans down to second material loading groove (23), and offsets with the one end that fourth extensible member (26) was kept away from to dog (28).
6. The novel micro-drill automatic welding device according to claim 1, wherein: the sixth telescopic piece (38) is a telescopic cylinder, a piston rod of the telescopic cylinder slidably penetrates through the vertical plate (40), a first limiting plate (41) is arranged on the piston rod on the right side of the vertical plate (40), a spring (42) is sleeved on the piston rod between the first limiting plate (41) and the vertical plate (40), and a second limiting plate (43) is arranged on the piston rod on the left side of the vertical plate (40).
7. An automatic micro-drilling welding method is characterized in that: a novel micro-drill automatic welding device according to any one of claims 1-6, comprising the steps of:
(1) The drill bit is placed in the drill bit feeding frame (3), the vibrating motor (4) is started, the drill bit enters the discharging plate (8) along the conveying plate (7) and sequentially passes through the hard conveying pipe (11), the soft conveying pipe (12) and the conveying hole to reach the first feeding table (13), the drill shank is placed in the drill shank feeding frame (24), the fourth telescopic piece (26) is started to stretch to drive the stop block (28) to open the discharging hole of the drill shank feeding frame (24), and the drill shank slides down to the second feeding groove (23);
(2) After a drill bit is sensed by a drill bit feeding sensor (20), a second telescopic piece (18) is started to stretch to drive a push plate (17) to convey the drill bit to a first feeding groove (16), a first telescopic piece (14) is started to stretch to drive a first ejector rod (15) to convey the drill bit to the lower part of a right electrode (2), after a drill shank is sensed by a drill shank feeding sensor (25), a fourth telescopic piece (26) is contracted to drive a stop block (28) to close a discharge hole of a drill shank feeding frame (24), and meanwhile, a third telescopic piece (49) is started to stretch to drive a second ejector rod (22) to convey the drill shank to the lower part of a left electrode (2);
(3) Starting the sixth telescopic piece (38) to shrink to drive the second supporting table (35) to move left until the right end of the drill shank is propped against the left end of the drill bit, starting the fifth telescopic piece (30) to extend to enable the clamping block (31) to prop against the bottom of the clamping groove (32), so that the pressing plate (29) drives the electrode (2) to move downwards, the electrode (2) on the left side is moved downwards to the drill shank, the electrode (2) on the right side is moved downwards to the drill bit, the two electrodes (2) are electrified, and the drill shank and the drill bit are welded to form a micro drill;
(4) The fifth telescopic piece (30) is started to shrink, so that the compression plate (29) drives the electrode (2) to loosen the micro drill, the sixth telescopic piece (38) is started to stretch to drive the second supporting table (35) to move rightwards, the micro drill falls into the V-shaped discharging groove (44), slides into the V-shaped guiding groove (46) along the V-shaped discharging groove (44), falls into the collecting groove (45) below from the V-shaped guiding groove (46), and the seventh telescopic piece (48) is started to stretch to drive the pushing plate (47) to convey the micro drill into the collecting groove (45) on the left side of the V-shaped guiding groove (46);
(5) After the second supporting table (35) returns to the original position in the step (4), the second telescopic piece (18) and the first telescopic piece (14) are started to shrink, the next drill bit is sent to the first feeding table (13), the third telescopic piece (49) is started to shrink, the fourth telescopic piece (26) is started to stretch to drive the stop block (28) to open the discharge hole of the drill shank feeding frame (24), the next drill shank slides down to the second feeding groove (23), and then the steps (2) - (4) are repeated.
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| CN112077424A (en) * | 2020-09-09 | 2020-12-15 | 深圳市金洲精工科技股份有限公司 | Welding method of cutter |
| CN112139694A (en) * | 2020-09-17 | 2020-12-29 | 潘治霖 | Welding tool for production of bottom plate of aerial work platform and using method of welding tool |
| CN112355449A (en) * | 2020-11-23 | 2021-02-12 | 南阳鼎泰高科有限公司 | Electric resistance welding process of micro drill bit for PCB |
| CN114871781B (en) * | 2022-05-18 | 2024-02-27 | 淮南市泰能电力工程有限公司 | Pressurized water reactor device with nickel-based alloy ultrasonic argon arc welding seam |
| CN114952140A (en) * | 2022-07-08 | 2022-08-30 | 泰州虹康电子科技有限公司 | Welding set is used in drill bit production |
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