CN110497069B - Fine wire impact welding device - Google Patents
Fine wire impact welding device Download PDFInfo
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- CN110497069B CN110497069B CN201910680881.9A CN201910680881A CN110497069B CN 110497069 B CN110497069 B CN 110497069B CN 201910680881 A CN201910680881 A CN 201910680881A CN 110497069 B CN110497069 B CN 110497069B
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- 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
-
- 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 discloses a fine wire impact welding device, which comprises a welding upsetting block, a welding sliding block, a longitudinal translation device for driving the welding upsetting block and the welding sliding block and a wire pressing bow, wherein the welding upsetting block and the welding sliding block are arranged on the welding upsetting block; the welding upsetting block and the welding sliding block are respectively provided with a pair of circular ring-shaped electrodes which are controlled to rotate by a motor with a gearbox and a transverse clamping device which drives the two circular ring-shaped electrodes to separate and approach; the two pairs of circular ring-shaped electrodes have the same outer diameter and are coaxial in position respectively; the wire pressing bow is provided with a tensioning wire with the same diameter as the to-be-welded fine wire, the outer surfaces of the two pairs of annular electrodes are pressed to form coaxial wire grooves under the cooperation of the transverse clamping device before welding, the wire bow is taken away during welding, the to-be-welded fine wire is placed in the wire grooves, and the wire concentricity is ensured; controlling the impact speed by the numerical control workbench; the welding pressure is prefabricated by the prestress setting device, and the welding quality is guaranteed. The invention has simple structure, good centering performance and high precision in the welding process, can automatically change positions to realize electrode replacement, controls welding according to a process curve and realizes impact welding of fine wires.
Description
Technical Field
The invention belongs to the field of welding, relates to a resistance welding device, and particularly relates to a fine wire impact welding device.
Background
The impact welding rotatable electrode uses resistance heat generated when current passes through a weldment and a contact position as a heat source to locally heat the workpiece and locally pressurize the workpiece for welding. After welding, the electrode deforms to cause dry elongation change and influence the welding quality; in the prior art, the impact welding is carried out by using an electrode replacing method, the using process is very troublesome, and the efficiency is low.
Disclosure of Invention
The invention aims to provide a weldable fine wire resistance welding device, which solves the problems of insufficient centering precision in the fine wire welding process, electrode deformation in the welding process and the like in the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a fine wire impingement welding device which characterized in that: the welding device comprises a welding upsetting block, a welding sliding block, a wire pressing bow, four electrodes and a longitudinal translation device;
the welding upsetting device comprises an electrode A, an electrode B, a welding upsetting block, a transverse sliding pair, a transverse clamping device and a welding clamping device, wherein the electrode A and the electrode B form a first electrode pair for clamping a to-be-welded fine wire;
the electrode C and the electrode D form a second electrode pair for clamping another to-be-welded fine wire, the electrode D is fixedly arranged on a welding sliding block, the electrode C is arranged on the welding sliding block through a transverse sliding pair, and a transverse clamping device for driving the electrode C and the electrode D to move transversely relative to each other is further arranged on the welding sliding block;
the wire pressing bow is provided with a tensioning wire which has the same diameter as the to-be-welded fine wire, the tensioning wire is used for pressing out a coaxial wire groove which is used for clamping the to-be-welded fine wire on the outer surfaces of the two pairs of electrodes under the coordination of the transverse clamping device, and the longitudinal translation device is used for driving the welding sliding block to move axially relative to the welding upsetting block along the to-be-welded fine wire so as to finish the impact welding of the fine wire.
As an improvement, the four electrodes have the same structure and respectively comprise an electrode holder, a rotating shaft, a driving motor, an electrode ring and an electrode clamping seat for supporting and fixing the electrode ring, the rotating shaft is mounted on the corresponding electrode holder through a bearing, the driving motor is mounted on the electrode holder and connected with the rotating shaft, the electrode clamping seat is coaxially mounted at the end part of the rotating shaft, the outer diameters of the electrode rings of the four electrodes are the same, the electrode rings of the electrode A and the electrode C are coaxially arranged, and the electrode rings of the electrode B and the electrode D are coaxially arranged.
As the improvement, vertical translation device is the numerical control workstation, and it includes stiff end and removal end, and the removal speed and the removal distance that remove the end set up through the numerical control, the welding upset piece is installed on the stiff end through prestressing force setting mechanism, the welding sliding block is installed on removing the end.
As an improvement, prestressing force sets up the mechanism and includes fixed block, guide rail pole, pretension spring and pretension nut, fixed block fixed mounting is on the fixed end of numerical control workstation, linear bearing is passed through to guide rail pole one end and is installed on the fixed block, welding upset piece fixed mounting is on the guide rail pole, and the cover is equipped with the pretension spring on the guide rail pole between fixed block and welding upset piece, pretension nut passes through screw-thread fit and installs on the guide rail pole of stretching out outward from fixed block one end, adjusts the decrement of pretension spring through pretension nut to adjust the welding prestressing force of welding upset piece.
As an improvement, the guide rail rods are two parallel cylinders, the other ends of the guide rail rods extend out of the other side of the welding upsetting block, and the welding sliding block is installed on the extending guide rail rods through linear bearings.
As an improvement, the transverse clamping device comprises a clamping base, a mandril, a cam, a handle and a clamping spring, the clamping base is fixedly arranged on the welding upsetting block or the welding sliding block, the ejector rod is fixedly arranged on the electrode seat of the electrode A or the electrode C, the clamping spring is sleeved on the corresponding ejector rod, and is positioned between the corresponding electrode seat and the clamping base, the two electrodes of the first electrode pair and the two electrodes of the second electrode pair are pressed and closed by the pretightening force of the clamping spring, the cam is arranged on the clamping base through a vertical shaft, the handle is fixedly arranged on the cam, the position of the cam corresponds to the end part of the corresponding ejector rod, the cam contacts the ejector rod in the process of rotating the cam by utilizing the handle, thereby extruding the electrode A or the electrode C to complete the functions of clamping and pressing the groove and clamping the wire between the two electrodes of the first electrode pair or the two electrodes of the second electrode pair.
As an improvement, the driving motor is a direct current motor with a speed reducer, the rotation angle of the electrode circular ring is determined by the electrifying time of the motor, the motor is electrified and rotated for an angle after a connector is welded, and the consistency of the shapes of the electrode ends during welding each time is ensured.
As an improvement, the electrode rings of the four electrodes are all red copper ring electrodes which are convenient to form, conduct electricity and conduct heat, and the end parts of the red copper electrode rings are straight.
The welding method of the fine wire impact welding device is characterized by comprising the following steps of:
step 2, axially separating a first electrode pair and a second electrode pair, respectively folding two electrodes of the first electrode pair and two electrodes of the second electrode pair under the action of corresponding pre-tightening springs, placing one end of a tensioning wire of a wire pressing bow between the two electrodes on a welding upsetting block, placing the other end of the tensioning wire between the two electrodes on a welding sliding block, simultaneously screwing handles of transverse clamping devices on the welding upsetting block and the welding sliding block, and pressing two coaxial wire grooves on the outer surfaces of the four electrodes;
and 4, starting the numerical control workbench, driving the welding sliding block to move towards the welding upset forging block through the moving end of the numerical control workbench, and simultaneously starting a power supply of the fine wire impact welding device to finish fine wire welding.
As an improvement: and 4, after the primary welding of the filaments is completed, starting a driving motor of the electrode, driving the electrode to rotate at a certain angle circularly, and welding two new filaments again according to the steps 1 to 4.
The invention has the beneficial effects that:
the invention discloses a metal fine wire impact welding machine and a welding process, which comprises a welding machine mechanism and an electric control part, have simple structure and principle, can realize the control of an impact welding process curve, can ensure that the impact welding forming and the joint mechanical property of a fine wire are optimal, and have high process curve control precision and good interference resistance.
Drawings
FIG. 1 is a schematic view of the overall structure of a fine wire impact welding apparatus according to the present invention;
FIG. 2 is a top view of the fine wire impingement welding apparatus of the present invention with the wire clamping bow removed;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic view of a wire-pressing bow;
FIG. 5 is a schematic view of an electrode ring structure;
1-numerical control workbench, 101-fixed end, 102-movable end, 2-protective gas pipe, 3-guide rail rod, 4-fixed block, 5-welding upset block, 6-welding sliding block, 7-wire pressing bow, 8-transverse clamping device, 9-direct current motor fixed seat, 10-electrode seat, 11-electrode clamping seat, 12-first electrode pair, 13-second electrode pair, 14-electrode A, 15-electrode B, 16-electrode C, 17-electrode D, 18-pre-tightening spring, 19-pre-tightening nut, 20-rotating shaft, 21-driving motor, 22-clamping base, 23-mandril, 24-cam, 25-handle, 26-clamping spring, 27-tensioning wire, 28-guide wire frame, 29-filament groove, 30-electrode circular ring.
Detailed Description
In the following description, unless otherwise specified, the axial direction of the to-be-welded micro-wire, that is, the moving direction of the moving end 102 of the numerical control table 1 is the longitudinal direction, and the direction perpendicular to the longitudinal direction is the transverse direction, and the front-back-left-right relationship is described with respect to the relative position relationship of the drawings, and does not represent a limitation to the protection scope of the present invention.
As shown in fig. 1 to 5, a fine wire impact welding device comprises a welding upset block 5, a welding sliding block 6, a wire pressing bow 7, four electrodes, a longitudinal translation device and an impact welding power supply;
the electrode A14 and the electrode B15 form a first electrode pair 12 for clamping a to-be-welded fine wire, the electrode B15 is fixedly arranged on the welding upsetting block 5, the electrode A14 is arranged on the welding upsetting block 5 through a transverse sliding pair, and a transverse clamping device 8 for driving the electrode A14 and the electrode B15 to move transversely relative to each other is arranged on the welding upsetting block 5;
the electrode C16 and the electrode D17 form a second electrode pair 13 for clamping another to-be-welded fine wire, the electrode D17 is fixedly arranged on the welding sliding block 6, the electrode C16 is arranged on the welding sliding block 6 through a transverse sliding pair, and the welding sliding block 6 is also provided with a transverse clamping device 8 for driving the electrode C16 and the electrode D17 to move transversely;
the wire pressing bow 7 is provided with a tensioning wire 27 with the same diameter as the to-be-welded fine wire, the tensioning wire 27 is used for pressing out a coaxial wire groove 29 used for clamping the to-be-welded fine wire on the outer surfaces of the two pairs of electrodes under the cooperation of the transverse clamping device 8, namely, one end of the tensioning wire 27 is pressed into a wire groove 29 between the electrode A14 and the electrode B15, the other end of the tensioning wire 27 is pressed into a wire groove 29 between the electrode C16 and the electrode D17, and the coaxiality of the two wire grooves 29 is ensured by the same tensioning wire 27. The longitudinal translation device is used for driving the welding sliding block 6 to axially move along the fine wire to be welded relative to the welding upsetting block 5 to complete fine wire impact welding, in the embodiment of the invention, a first electrode pair 12 consisting of an electrode A14 and an electrode B15 is connected with the positive pole or the negative pole of an impact welding power supply, a second electrode pair 13 consisting of an electrode C16 and an electrode D17 is connected with the negative pole or the positive pole of the impact welding power supply, and the impact welding power supply is used for supplying current to the first electrode pair 12 and the second electrode pair 13 to complete resistance welding.
As a preferred embodiment, the four electrodes have the same structure and each electrode comprises an electrode holder 10, a rotating shaft 20, a driving motor 21, an electrode ring 30 and an electrode holder 11 for supporting and fixing the electrode ring 30, the rotating shaft 20 is mounted on the corresponding electrode holder 10 through a bearing, the driving motor 21 is mounted on the electrode holder 10 and is connected with the rotating shaft 20 through a shaft, the electrode clamping seat 11 is coaxially arranged at the end part of the rotating shaft 20, the outer diameters of the electrode circular rings 30 of the four electrodes are the same, and electrode a14 is coaxially disposed with electrode ring 30 of electrode C16, electrode B15 is coaxially disposed with electrode ring 30 of electrode D17, the electrode holder 10 of the electrode B15 is fixed on the welding upset block 5, the electrode holder 10 of the electrode A14 is installed on the welding upset block 5 through a transverse sliding pair (not shown in the figure), the electrode holder 10 of the electrode D17 is fixed on the welding sliding block 6, and the electrode holder 10 of the electrode C16 is installed on the welding sliding block 6 through a transverse sliding pair (not shown in the figure).
As a preferred embodiment, the longitudinal translation device is a numerical control workbench 1 which comprises a fixed end 101 and a movable end 102, the moving speed and the moving distance of the movable end 102 are set by numerical control, the welding upsetting block 5 is installed on the fixed end 101 through a prestress setting mechanism, and the welding sliding block 6 is installed on the movable end 102.
As a preferred embodiment, the prestress setting mechanism includes a fixed block 4, a guide rail rod 3, a pretension spring 18 and a pretension nut 19, the fixed block 4 is fixedly installed on a fixed end 101 of the numerical control workbench 1, one end of the guide rail rod 3 is installed on the fixed block 4 through a linear bearing (or a shaft sleeve), the welding upsetting block 5 is fixedly installed on the guide rail rod 3, the pretension spring 18 is sleeved on the guide rail rod 3 between the fixed block 4 and the welding upsetting block 5, the pretension nut 19 is installed on the guide rail rod 3 extending out of one end of the fixed block 4 through a screw-thread fit, the pretension spring 18 is utilized to enable the welding upsetting block 5 to have flexibility of moving backwards when the welding sliding block 6 touches the welding upsetting block 5, thereby completing flexible contact, preventing two fine wires to be welded from being damaged or eccentric due to rigid collision, and adjusting the compression amount of the pretension spring 18 through the pretension nut 19, thereby adjusting the pre-tightening force of the welding upset block 5.
As a preferred embodiment, as shown in fig. 2, the guide rail bar 3 is two parallel cylinders, the other end of the guide rail bar 3 extends from the other side of the welding and upsetting block 5, the welding and sliding block 6 is mounted on the extended guide rail bar 3 through a linear bearing (or a shaft sleeve), i.e. the welding and upsetting block 5 is fixed in the middle of the guide rail bar 3, the welding and upsetting block 5 and the welding and sliding block 6 are mounted at the two ends of the guide rail bar 3 through a sliding pair, the welding and upsetting block 5 is guided by using the same guide rail bar 3, and the concentricity of the thread grooves 29 of the first electrode pair 12 and the second electrode pair 13 during the welding and centering of the welding and upsetting block 5 is improved.
As a preferred embodiment, there are two transverse clamping devices 8 respectively mounted on the welding upset block 5 and the welding sliding block 6, the two transverse clamping devices 8 are identical in structure, and the transverse clamping device 8 on the welding sliding block 6 is taken as an example for explanation below, as shown in fig. 3, the transverse clamping device 8 includes a clamping base 22, a plunger 23, a cam 24, a handle 25 and a clamping spring 26, the clamping base 22 is fixedly mounted on the welding sliding block 6, the plunger 23 is fixedly mounted on the electrode holder 10 of the electrode C16, the clamping spring 26 is sleeved on the plunger 23 and is located between the electrode holder 10 of the electrode C16 and the clamping base 22, the electrode C16 and the electrode D17 are pressed together by the pre-tightening force of the clamping spring 26, the cam 24 is mounted on the clamping base 22 by a vertical shaft, the handle 25 is fixedly mounted on the cam 24, the position of the cam 24 corresponds to the end of the corresponding ejector 23, and when the handle 25 is used for rotating the cam 24, the cam 24 contacts the ejector 23, so that the electrode C16 is squeezed, and the electrode C16 and the electrode D17 are mutually close to complete the functions of groove pressing and wire clamping.
As a preferred embodiment, the driving motor 21 is a dc motor with a speed reducer, the dc motor is mounted on the corresponding electrode holder 10 through the dc motor fixing seat 9, and the electrode rings 30 of the four electrodes are all red copper ring electrodes which facilitate the formation of the wire grooves and the electrical and thermal conduction.
A welding method of the thin micro-wire impact welding device comprises the following steps:
step 2, axially separating the first electrode pair 12 and the second electrode pair 13, wherein two electrodes of the first electrode pair 12 and two electrodes of the second electrode pair 13 are respectively closed under the action of corresponding pre-tightening springs 18, one end of a tension wire 27 of the wire pressing bow 7 is arranged between an electrode A14 and an electrode B15 on the welding upsetting block 5, the other end of the tension wire is arranged between an electrode C16 and an electrode D17 on the welding sliding block 6, simultaneously screwing a handle 25 of a transverse clamping device 8 on the welding upsetting block 5 and the welding sliding block 6, and pressing two coaxial wire grooves 29 on the outer surfaces of the first electrode pair 12 and the second electrode pair 13;
And 5, after the primary welding of the filaments is completed in the step 4, starting the driving motor 21 of the electrode, driving the electrode ring 30 to rotate for a certain angle, and welding two new filaments again according to the steps 1 to 4.
The concrete operation steps and principles of the pressure tank in the step 2 are as follows:
manually separating the electrode A14 from the electrode B15, placing one end of the tension wire 27 of the wire pressing bow 7 between the electrode A14 and the electrode B15, then separating the electrode C16 from the electrode D17, placing the other end of the tension wire 27 of the wire pressing bow 7 between the electrode C16 and the electrode D17, simultaneously rotating the handles 25 of the two transverse clamping devices 8, the cam 24 pushing against the ejector 23 and gradually pressing the ejector 23, the ejector 23 correspondingly pressing the electrode holders 10 of the electrode A14 and the electrode C16, thereby driving the electrode A14 and the electrode B15 to clamp, the electrode C16 and the electrode D17 to clamp, because the handles 25 are long and have a forcing effect, thereby generating a great pressing force between the electrode A14 and the electrode B15 and between the electrode C16 and the electrode D17, so that one end of the tension wire 27 is pressed into a wire groove 29 between the electrode A14 and the electrode B15, and the other end is also pressed into a wire groove 29 between the electrode C16 and the electrode D17, the two wire grooves 29 are concentric wire grooves, the tension wire 27 is tensioned through the wire pressing bow 7, so that the concentricity of the two wire grooves 29 can be completely guaranteed, after welding is completed once, the driving motor 21 is started to respectively rotate the four electrodes, the concentric wire grooves 29 are pressed out again by the transverse clamping devices 8 according to the method, and in order to further improve the concentricity, the handles 25 of the two optimal transverse clamping devices 8 are required to act simultaneously.
As a preferred embodiment, a guide frame 28 is provided on the moving end 102 of the numerical control table 1.
As a preferred embodiment, the present invention may provide a shielding gas pipe 2 at the joint of the first electrode pair 12 and the second electrode pair 13.
The moving end 102 of the numerical control workbench 1 moves according to the speed required by the process, and drives the welding upset block 5 to slide to the welding sliding block 6 along the fine wire, so as to finally ensure that the fine wire clamped by the fixed electrode and the moving electrode is subjected to impact welding.
The actions of the invention can be manually controlled, and certainly, a control cabinet can be arranged for automatic control, a touch screen is arranged on the welding machine control cabinet, a current and voltage regulating switch and a starting switch are arranged below the touch screen, a control circuit board is arranged in the control cabinet, a mega8 singlechip and a voltage/current control module are arranged on the control circuit board, and the singlechip is connected with a power supply, a direct current motor for electrode rotation and a gas circuit control valve through a driving module. The welding control flow is operated according to a preset flow.
Claims (10)
1. The utility model provides a device is welded in slight silk striking, includes welding upset piece, welding sliding block, pressure silk bow, four electrodes and vertical translation device, its characterized in that:
the welding upsetting device comprises an electrode A, an electrode B, a welding upsetting block, a transverse sliding pair, a transverse clamping device and a welding clamping device, wherein the electrode A and the electrode B form a first electrode pair for clamping a to-be-welded fine wire;
the electrode C and the electrode D form a second electrode pair for clamping another to-be-welded fine wire, the electrode D is fixedly arranged on a welding sliding block, the electrode C is arranged on the welding sliding block through a transverse sliding pair, and a transverse clamping device for driving the electrode C and the electrode D to move transversely relative to each other is further arranged on the welding sliding block;
the wire pressing bow is provided with a tensioning wire which has the same diameter as the to-be-welded fine wire, the tensioning wire is used for pressing out a coaxial wire groove which is used for clamping the to-be-welded fine wire on the outer surfaces of the two pairs of electrodes under the coordination of the transverse clamping device, and the longitudinal translation device is used for driving the welding sliding block to move axially relative to the welding upsetting block along the to-be-welded fine wire so as to finish the impact welding of the fine wire.
2. The filament impact welding apparatus of claim 1, wherein: the four electrode structures are the same, and all include electrode holder, rotation axis, driving motor, electrode ring and be used for supporting the electrode cassette of fixed electrode ring, the rotation axis passes through the bearing and installs on corresponding electrode holder, driving motor installs on the electrode holder and with the rotation axis hub connection, electrode cassette coaxial arrangement is in the rotation axis tip, and the electrode ring external diameter of four electrodes is the same, and the coaxial setting of electrode A and electrode C's electrode ring, the coaxial setting of electrode B and electrode D's electrode ring.
3. The filament impact welding apparatus of claim 2, wherein: the longitudinal translation device is a numerical control workbench and comprises a fixed end and a movable end, the moving speed and the moving distance of the movable end are set through numerical control, the welding upsetting block is installed on the fixed end through a prestress setting mechanism, and the welding sliding block is installed on the movable end.
4. A filament impact welding apparatus according to claim 3, wherein: the prestress setting mechanism comprises a fixed block, a guide rail rod, a pre-tightening spring and a pre-tightening nut, the fixed block is fixedly installed at the fixed end of the numerical control workbench, one end of the guide rail rod is installed on the fixed block through a linear bearing, the welding upsetting block is fixedly installed on the guide rail rod, the pre-tightening spring is sleeved on the guide rail rod between the fixed block and the welding upsetting block, the pre-tightening nut is installed on the guide rail rod extending out of one end of the fixed block through thread fit, and the pre-tightening spring is adjusted through the pre-tightening nut, so that the welding prestress of the welding upsetting block is adjusted.
5. The filament impact welding apparatus of claim 4, wherein: the guide rail rods are two parallel cylinders, the other ends of the guide rail rods extend out of the other side of the welding upsetting block, and the welding sliding block is installed on the extending guide rail rods through linear bearings.
6. The filament impact welding apparatus of claim 5, wherein: the transverse clamping device comprises a clamping base, a mandril, a cam, a handle and a clamping spring, the clamping base is fixedly arranged on the welding upsetting block or the welding sliding block, the ejector rods are fixedly arranged on the electrode seats of the electrode A or the electrode C, the clamping springs are sleeved on the corresponding ejector rods, and is positioned between the corresponding electrode seat and the clamping base, the two electrodes of the first electrode pair and the two electrodes of the second electrode pair are pressed and closed by the pretightening force of the clamping spring, the cam is arranged on the clamping base through a vertical shaft, the handle is fixedly arranged on the cam, the position of the cam corresponds to the end part of the corresponding ejector rod, the cam contacts the ejector rod in the process of rotating the cam by utilizing the handle, thereby extruding the electrode A or the electrode C to complete the functions of clamping and pressing the groove and clamping the wire between the two electrodes of the first electrode pair or the two electrodes of the second electrode pair.
7. The filament impact welding apparatus of claim 1, wherein: the driving motor is a direct current motor with a speed reducer, the rotation angle of the electrode circular ring is determined by the power-on time of the motor, and the motor is powered on and rotates for an angle after a connector is welded, so that the shape of the end part of the electrode is ensured to be consistent every time.
8. The filament impact welding apparatus of claim 5, wherein: the electrode rings of the four electrodes are red copper ring electrodes which are convenient for wire groove forming and electric and heat conduction, and the end parts of the red copper electrode rings are straight.
9. A method of welding the filament impact welder of claim 6, comprising the steps of:
step 1, preparing a wire pressing bow with the same diameter model as the diameter model of the to-be-welded fine wire, and tightening the tension wire on the wire pressing bow;
step 2, axially separating a first electrode pair and a second electrode pair, respectively folding two electrodes of the first electrode pair and two electrodes of the second electrode pair under the action of corresponding pre-tightening springs, placing one end of a tensioning wire of a wire pressing bow between the two electrodes on a welding upsetting block, placing the other end of the tensioning wire between the two electrodes on a welding sliding block, simultaneously screwing handles of transverse clamping devices on the welding upsetting block and the welding sliding block, and pressing two coaxial wire grooves on the outer surfaces of the four electrodes;
step 3, separating the two electrodes of the first electrode pair and the two electrodes of the second electrode pair, taking away the wire pressing bow, respectively guiding the two fine wires to be welded into a wire groove of the first electrode pair on the welding upsetting block and a wire groove of the second electrode pair on the welding sliding block, respectively screwing handles of transverse clamping devices on the welding upsetting block and the welding sliding block, and clamping the fixed wires;
and 4, starting the numerical control workbench, driving the welding sliding block to move towards the welding upset forging block through the moving end of the numerical control workbench, and simultaneously starting a power supply of the fine wire impact welding device to finish fine wire welding.
10. A method of welding a filament impact welding apparatus according to claim 9, wherein: and 4, after the primary welding of the filaments is completed, starting a driving motor of the electrode, driving the electrode to rotate at a certain angle circularly, and welding two new filaments again according to the steps 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680881.9A CN110497069B (en) | 2019-07-26 | 2019-07-26 | Fine wire impact welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680881.9A CN110497069B (en) | 2019-07-26 | 2019-07-26 | Fine wire impact welding device |
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| CN110497069A CN110497069A (en) | 2019-11-26 |
| CN110497069B true CN110497069B (en) | 2020-06-09 |
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| CN201910680881.9A Expired - Fee Related CN110497069B (en) | 2019-07-26 | 2019-07-26 | Fine wire impact welding device |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA974383A (en) * | 1972-06-05 | 1975-09-16 | Alfred H. Tessman | Method and apparatus for effecting molecular flow butt welded joints between ends of wires, rods and the like |
| DE4337092A1 (en) * | 1993-10-29 | 1995-05-04 | Mtu Muenchen Gmbh | Device for welding extremely thin wires, in particular probe wires, to a material probe |
| RU2434724C1 (en) * | 2010-08-04 | 2011-11-27 | Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") | Butt electric resistance welding device |
| US9908197B2 (en) * | 2013-03-15 | 2018-03-06 | Automated Industrial Machinery, Inc. | Wire butt welder with adjustable alignment |
| CN103639598B (en) * | 2013-12-24 | 2015-09-30 | 武汉大学 | A kind of device for tiny rotary structure processing |
| CN103658962B (en) * | 2013-12-30 | 2015-09-16 | 武汉大学 | A kind of filament forging welding device |
| CN104174984A (en) * | 2014-09-02 | 2014-12-03 | 苏州市新的电工有限公司 | Thin stainless steel wire butt welding method |
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2019
- 2019-07-26 CN CN201910680881.9A patent/CN110497069B/en not_active Expired - Fee Related
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