CN116393807B - Terminal ultrasonic welding device and welding method thereof - Google Patents
Terminal ultrasonic welding device and welding method thereof Download PDFInfo
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- CN116393807B CN116393807B CN202310207571.1A CN202310207571A CN116393807B CN 116393807 B CN116393807 B CN 116393807B CN 202310207571 A CN202310207571 A CN 202310207571A CN 116393807 B CN116393807 B CN 116393807B
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- 238000003466 welding Methods 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 19
- 239000012535 impurity Substances 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The application relates to the field of ultrasonic welding, and is used for solving the problem that dust easily enters a material melted by a welding point during ultrasonic welding, so that sand holes, bubbles or impurities remain after cooling, in particular to a terminal ultrasonic welding device and a welding method thereof; according to the application, the air duct in the equipment cavity is used for sucking air, the equipment cavity is used for sucking air inwards through the holes in the welding bottom plate, so that dust, impurities and the like on the welding bottom plate are sucked into the equipment cavity, the problem of product quality reduction caused by pollution of impurity dust and the like at welding points in the welding process is prevented, the terminal and the wire harness are respectively fixed through the clamping block and the wire clamp, the terminal and the wire harness can be automatically mutually close in the welding process, hands of workers can be ensured to be far away from the welding head during ultrasonic high-frequency vibration, and the dust-proof belt is arranged in the sliding groove, so that the action of the sliding block is ensured, and dust accumulation in the sliding groove is prevented.
Description
Technical Field
The application relates to the field of ultrasonic welding, in particular to a terminal ultrasonic welding device and a welding method thereof.
Background
The ultrasonic welding is to utilize high-frequency vibration wave to transmit to two object surfaces to be welded, under the condition of pressurization, make two object surfaces rub each other to form fusion between the molecular layers, the ultrasonic welding is to convert 50/60 Hz electric current into 15, 20, 30 or 40KHz electric energy through the supersonic generator, the high-frequency electric energy converted is converted into the mechanical movement of the same frequency again through the transducer, then the mechanical movement is transmitted to the welding head through a set of amplitude transformer device capable of changing amplitude, the welding head transmits the vibration energy received to the joint of the work piece to be welded, in this area, the vibration energy is converted into heat energy through the friction mode, melt the position to be welded, and finish welding;
at present, the ultrasonic welding device in the prior art still has the defect that dust on the ultrasonic welding device easily enters a melted material because a welding spot is melted during welding, so that sand holes, bubbles or impurities remain after cooling, the conductive efficiency of the welding spot is affected, excessive heating is easily caused, and the product quality is reduced;
the application provides a solution to the technical problem.
Disclosure of Invention
According to the terminal ultrasonic welding device and the welding method thereof, air is sucked through the air duct positioned in the device cavity, the device cavity is sucked inwards through the hole in the welding bottom plate, so that dust, impurities and the like on the welding bottom plate are sucked into the device cavity, the problem of product quality reduction caused by pollution of impurity dust and the like at a welding point in the welding process is solved, the terminal and the wire harness are respectively fixed through the clamping block and the wire clamp, the terminal and the wire harness can be automatically mutually close to each other in the welding process, hands of workers can be ensured to be far away from the welding head when ultrasonic waves vibrate, damage to the workers is avoided, the dust is prevented from being caused by arranging the dust-proof belt in the sliding groove, the action of the sliding block is ensured, dust accumulated in the sliding groove is prevented, meanwhile, the dust on the sliding belt can fall down when the sliding belt is bent into the device cabin and is sucked by the air duct, the dust accumulated in the sliding groove or the device cabin is prevented, and the problem that the dust is easy to enter into materials melted by the welding point when the welding point is solved, and accordingly sand, the sand, bubbles or impurity residues are caused after cooling is solved.
The aim of the application can be achieved by the following technical scheme:
the ultrasonic welding device for the terminal comprises a device base, wherein supporting legs are fixedly arranged on the upper surface of the device base, a sliding beam is connected above the supporting legs in a sliding manner, a control block is fixedly arranged in the middle of the sliding beam, a welding head column is connected to the side wall of the control block in a sliding manner, and an ultrasonic welding head is fixedly arranged on the lower surface of the welding head column;
the utility model discloses a welding device for the automobile, including equipment base, welding bottom plate, connecting rod, main control block, connecting rod top fixed mounting, power take-off pad, welding bottom plate, equipment base upper surface fixed mounting has the energy-absorbing pad, energy-absorbing pad upper surface fixed mounting has the welding bottom plate, the welding bottom plate is located the roof beam below that slides, and the welding bottom plate is located equipment base axis, equipment cabin has been seted up to equipment base inside, this equipment cabin inside bottom surface fixed mounting has the walking rack, walking rack upper surface sliding connection has the main control block, the inside rotation of main control block is connected with the walking gear, walking gear meshing is connected at walking rack upper surface, main control block upper surface fixedly connected with bracing piece, bracing piece upper surface fixedly connected with connecting rod, two sets of sliding grooves have been seted up to equipment base upper surface, two sets of sliding grooves symmetric distribution are in welding bottom plate both sides, connecting rod sliding connection is in the inside and the connecting rod top is outstanding in sliding groove upper surface, connecting rod top fixed mounting has the sliding block, the telescopic link is worn to be equipped with in the sliding block inside, the telescopic link towards welding bottom plate's one end fixed mounting.
As a preferred implementation mode of the application, air channels are formed on two sides of the equipment cabin in the equipment base, a filtering grid plate is fixedly arranged on one side, facing the walking rack, of the air channels, the filtering grid plate is of a porous structure or a grid structure, a dustproof belt is fixedly arranged on the outer wall of the connecting rod, two sides of the dustproof belt are slidably connected in the sliding groove, a U-shaped groove is formed in the equipment base, and two ends of the dustproof belt are positioned in the U-shaped groove.
As a preferred implementation mode of the application, the upper surface of the equipment base is provided with at least two groups of telescopic grooves, the inside of each telescopic groove is connected with a second clamping wire clamp and a first clamping wire clamp in a sliding manner, the middle part of each first clamping wire clamp is provided with a gap, the width of each second clamping wire clamp is matched with the width of the gap in the middle part of each first clamping wire clamp, the bottoms of the first clamping wire clamp and the second clamping wire clamp are elastically connected through a reset tension spring, and the reset tension spring is positioned in each telescopic groove.
As a preferable implementation mode of the application, the two ends of the sliding beam are fixedly provided with T-shaped blocks, the T-shaped blocks are connected in a T-shaped groove at the top of the supporting leg in a clamping way, the T-shaped blocks can slide in the T-shaped groove at the top of the supporting leg, the control block is connected with the welding head column in a sliding way through the T-shaped groove and the T-shaped blocks, and the two ends of the sliding beam and the inside of the control block are provided with driving motors.
As a preferred embodiment of the application, the cross sections of the first clamping wire clamp and the second clamping wire clamp are in an angle shape, the opening directions of the first clamping wire clamp and the second clamping wire clamp are opposite, T-shaped blocks are fixedly arranged at the bottom ends of the first clamping wire clamp and the second clamping wire clamp, and the first clamping wire clamp and the second clamping wire clamp stably slide in the equipment base through the T-shaped blocks.
As a preferred embodiment of the application, the upper surface and the side wall of the welding bottom plate are provided with ventilation holes, and the ventilation holes are connected with the equipment cabin inside the equipment base.
A terminal ultrasonic welding method, the terminal ultrasonic welding method comprising the steps of:
step one: the method comprises the steps that a terminal piece to be welded is placed on the upper surface of a welding bottom plate, a wire harness to be welded is placed above a first clamping wire clamp and a second clamping wire clamp, the wire harness is pressed to squeeze the first clamping wire clamp and the second clamping wire clamp out, meanwhile, a reset tension spring is stretched in the process that the first clamping wire clamp and the second clamping wire clamp are outwards far away, after the wire harness is loosened, the first clamping wire clamp and the second clamping wire clamp are close to each other towards the middle under the action of the reset tension spring, the wire harness is clamped, and meanwhile, the second clamping wire clamp is clamped into a gap in the middle of the first clamping wire clamp through a thin plate-shaped second clamping wire clamp, so that the first clamping wire clamp and the second clamping wire clamp can be partially overlapped;
step two: the telescopic rod slides in the sliding block towards the direction of the welding bottom plate to drive the clamping blocks to slide and stretch out towards the direction of the welding bottom plate, and the clamping blocks on two sides simultaneously extend to contact with the terminal piece, so that the effect of clamping the terminal piece through the clamping blocks is realized;
step three: after the terminal piece is clamped stably by the clamping block, the traveling gear below the main control block rotates under the drive of the motor, and rolls on the traveling rack, so that the main control block is driven to move forward on the traveling rack, the main control block drives the sliding block to move forward through the supporting rod and the connecting rod, so that the terminal piece is driven to move, and when the welding point of the terminal piece moves to be in contact with the wire harness, the traveling gear stops rotating;
step four: the sliding beam slides on the cross rod above the supporting leg, so that the control block and the welding head column are driven to move in a straight line, when the welding head column moves to be right above the welding point of the terminal piece, the welding head column starts to descend along the outer wall of the control block, the ultrasonic welding head is pressed on the part contacted with the welding point of the terminal piece and the wire harness, the ultrasonic welding head is started, and high-frequency vibration is generated by utilizing ultrasonic waves to enable the terminal piece and the wire harness to be welded;
step five: when the sliding block in the third step moves, the sliding block drives the dust-proof belt fixedly connected with the sliding block to move, and two ends of the dust-proof belt are bent in the equipment base, so that the dust-proof belt can move together with the sliding block
Compared with the prior art, the application has the beneficial effects that:
according to the application, the air duct inside the equipment cavity is used for sucking air, so that negative pressure is formed inside the equipment cavity, the equipment cavity is pumped inwards through the holes on the welding bottom plate, dust, impurities and the like on the welding bottom plate are sucked into the equipment cavity and guided out through the air duct, and the problem of product quality degradation caused by pollution of impurity dust and the like at a welding point in the welding process is prevented.
According to the application, the terminal and the wire harness are respectively fixed through the clamping block and the wire clamp, so that the terminal and the wire harness can be automatically mutually close in the welding process, the impurity of the hands of a worker is prevented from polluting equipment, meanwhile, the hands of the worker can be ensured to be far away from the welding head during ultrasonic high-frequency vibration, and the damage to the worker is avoided.
According to the application, the dust-proof belt is arranged in the sliding groove, so that the action of the sliding block is ensured, dust accumulation in the sliding groove can be prevented, meanwhile, the dust on the sliding belt can fall down when the sliding belt is bent to enter the equipment cabin and is sucked away by the air duct, and the dust is discharged from the air duct, so that the dust accumulation in the sliding groove or the equipment cabin is prevented.
Drawings
The present application is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the front view of the structure of the present application;
FIG. 2 is a schematic view of a clip of the present application;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present application;
FIG. 4 is a schematic view of a dust band of the present application;
FIG. 5 is a schematic view of a support bar according to the present application;
FIG. 6 is a schematic diagram of a walking gear of the present application;
fig. 7 is an enlarged view of the structure of fig. 6B according to the present application.
In the figure: 1. an equipment base; 2. support legs; 3. a skid beam; 4. a control block; 5. a welding head column; 6. an ultrasonic welding head; 7. welding a bottom plate; 8. a sliding block; 9. a telescopic rod; 10. an equipment compartment; 11. a first clip; 12. a second clip; 13. resetting the tension spring; 14. a telescopic slot; 15. a clamping block; 16. a dust-proof belt; 17. an air duct; 18. a filter grid; 19. a walking rack; 20. a main control block; 21. a support rod; 22. a connecting rod; 23. a traveling gear; 24. an energy absorbing pad; 25. and a sliding groove.
Description of the embodiments
The technical solutions of the present application will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
Referring to fig. 1-7, a terminal ultrasonic welding device includes a device base 1, a supporting leg 2 is fixedly mounted on the upper surface of the device base 1, a sliding beam 3 is slidably connected above the supporting leg 2, a control block 4 is fixedly mounted in the middle of the sliding beam 3, a welding head column 5 is slidably connected to the side wall of the control block 4, an ultrasonic welding head 6 is fixedly mounted on the lower surface of the welding head column 5, the ultrasonic welding head 6 can transmit received vibration energy to a joint part of a workpiece to be welded, so that the workpiece to be welded is melted, the two melted workpieces are fused together, and welding work is completed after cooling;
an energy absorption gasket 24 is fixedly arranged on the upper surface of the equipment base 1, the energy absorption gasket 24 can absorb vibration radiation generated when the ultrasonic welding head 6 drives a terminal piece or a wire harness end to vibrate, noise and vibration of equipment are reduced, a welding bottom plate 7 is fixedly arranged on the upper surface of the energy absorption gasket 24, the welding bottom plate 7 is used for supporting the terminal piece for welding, the welding bottom plate 7 is positioned below the sliding beam 3, the welding bottom plate 7 is positioned on the central axis of the equipment base 1, the ultrasonic welding head 6 is ensured to be positioned right above the welding bottom plate 7, an equipment cabin 10 is arranged in the equipment base 1, a walking rack 19 is fixedly arranged on the bottom surface in the equipment cabin 10, a main control block 20 is connected on the upper surface of the walking rack 19 in a sliding manner, a walking gear 23 is rotationally connected in the main control block 20, the walking gear 23 is in meshed connection with the upper surface of the walking rack 19, the running gear 23 rotates to realize that the running gear 23 rolls on the running rack 19 and drives the main control block 20 to move on the running rack 19, the upper surface of the main control block 20 is fixedly connected with a supporting rod 21, the upper surface of the supporting rod 21 is fixedly connected with a connecting rod 22, two groups of sliding grooves 25 are formed on the upper surface of the equipment base 1, the two groups of sliding grooves 25 are symmetrically distributed on two sides of the welding bottom plate 7, the connecting rod 22 is slidingly connected in the sliding grooves 25, the top end of the connecting rod 22 protrudes out of the upper surface of the sliding grooves 25, the sliding block 8 is convenient to connect, the sliding block 8 is fixedly arranged at the top of the connecting rod 22, a telescopic rod 9 is penetrated in the sliding block 8, the telescopic rod 9 can move under the control of electric drive, one end of the telescopic rod 9 facing the welding bottom plate 7 is fixedly provided with a clamping block 15, the outer wall of the clamping block 15 is provided with a plurality of groups of strip-shaped bulges, the clamping terminal pieces are convenient to clamp, the two ends of the sliding beam 3 are fixedly provided with T-shaped blocks, the T-shaped block is connected in a T-shaped groove at the top of the supporting leg 2 in a clamping mode, the T-shaped block can slide in the T-shaped groove at the top of the supporting leg 2, meanwhile, stability of the sliding beam 3 is guaranteed, the control block 4 is connected with the welding head column 5 in a sliding mode through the T-shaped groove and the T-shaped block, driving motors are arranged at two ends of the sliding beam 3 and inside the control block 4, and the sliding beam 3 and the welding head column 5 are controlled to move through the driving motors.
Examples
Referring to fig. 1-7, air channels 17 are formed on two sides of an equipment cabin 10 in an equipment base 1, the air channels 17 are externally connected with a fan, a negative pressure environment of the air channels 17 is formed in a mode of exhausting air by the fan, the air channels 17 are sucked from the equipment cabin 10, the negative pressure environment is also formed in the equipment cabin 10, a filtering grid plate 18 is fixedly arranged on one side of the air channels 17, which faces a walking rack 19, to block large particle impurities, the filtering grid plate 18 is of a porous structure or a grid structure, ventilation holes are formed in the upper surface and the side wall of a welding bottom plate 7, the ventilation holes are connected with the equipment cabin 10 in the equipment base 1, the equipment cabin 10 can suck air through the ventilation holes, the cleanliness of the surface of equipment is guaranteed, a dustproof belt 16 is fixedly arranged on the outer wall of a connecting rod 22, two sides of the dustproof belt 16 are slidably connected in a sliding groove 25 and are embedded in the sliding groove 25, a U-shaped groove is formed in the inside the equipment base 1, two ends of the dustproof belt 16 are located in the U-shaped groove, when the dustproof belt 16 moves to one side along with the connecting rod 22, the dustproof belt 16 passes through the U-shaped groove, and rotates to the lower portion of the connecting rod 22 through the bending of the U-shaped groove, as shown in fig. 6, and the dustproof belt 16 is guaranteed to be made of the dustproof belt 16.
At least two sets of expansion grooves 14 are formed in the upper surface of the equipment base 1, the second clamping wire clamp 12 and the first clamping wire clamp 11 are connected in each set of expansion grooves 14 in a sliding mode, gaps are formed in the middle of the first clamping wire clamp 11, the width of the second clamping wire clamp 12 is matched with that of the middle of the first clamping wire clamp 11, the first clamping wire clamp 11 and the second clamping wire clamp 12 can be overlapped, small-diameter wire harnesses can be clamped conveniently, the bottoms of the first clamping wire clamp 11 and the second clamping wire clamp 12 are elastically connected through a reset tension spring 13, the reset tension spring 13 can drive the clamping wire clamps to reset, the first clamping wire clamp 11 and the second clamping wire clamp 12 are guaranteed to be in the nearest state of being overlapped mutually in a natural state, the reset tension spring 13 is located inside the expansion grooves 14, the cross sections of the first clamping wire clamp 11 and the second clamping wire clamp 12 are in an angle shape, the opening directions of the first clamping wire clamp 11 and the second clamping wire clamp 12 are oppositely arranged, T-shaped blocks are fixedly installed at the bottom ends of the first clamping wire clamp 11 and the second clamping wire clamp 12, and the first clamping wire clamp 11 and the second clamping wire clamp 12 are fixedly installed in the T-shaped blocks through the T-shaped blocks in the equipment base 1.
Examples
A terminal ultrasonic welding method, the terminal ultrasonic welding method comprising the steps of:
and (3) a step of: the terminal piece to be welded is placed on the upper surface of the welding bottom plate 7, the wire harness to be welded is placed above the first clamp 11 and the second clamp 12, the wire harness is pressed to squeeze the first clamp 11 and the second clamp 12 out, meanwhile, the first clamp 11 and the second clamp 12 stretch the reset tension spring 13 in the outwards-away process, after the wire harness is loosened, the first clamp 11 and the second clamp 12 are closed towards the middle under the action of the reset tension spring 13, the wire harness is clamped, and meanwhile, the second clamp 12 in a thin plate shape is clamped into a gap in the middle of the first clamp 11, so that the first clamp 11 and the second clamp 12 can be partially overlapped, and the small-diameter wire harness can be clamped conveniently;
and II: the telescopic rod 9 slides in the sliding block 8 towards the direction of the welding bottom plate 7 to drive the clamping blocks 15 to slide and extend towards the direction of the welding bottom plate 7, and the clamping blocks 15 on two sides simultaneously extend to contact the terminal piece, so that the effect of clamping the terminal piece through the clamping blocks 15 is realized;
thirdly,: after the terminal piece is clamped stably by the clamping block 15, the traveling gear 23 below the main control block 20 rotates under the drive of the motor, the traveling gear 23 rolls on the traveling rack 19, so that the main control block 20 is driven to move forward on the traveling rack 19, the main control block 20 drives the sliding block 8 to move forward through the supporting rod 21 and the connecting rod 22, so that the terminal piece is driven to move, and when the welding point of the terminal piece moves to be in contact with the wire harness, the traveling gear 23 stops rotating;
fourth, the method comprises the following steps: the sliding beam 3 slides on a cross bar above the supporting leg 2 so as to drive the control block 4 and the welding head column 5 to move in a straight line, when the welding head column 5 moves to be right above a welding point of a terminal piece, the welding head column 5 starts to descend along the outer wall of the control block 4 and presses the ultrasonic welding head 6 on a part contacted with the welding point of the terminal piece and the wire harness, the ultrasonic welding head 6 is started, and high-frequency vibration is generated by utilizing ultrasonic waves so that the terminal piece and the wire harness are welded;
fifth step: when the sliding block 8 in the third step moves, the sliding block 8 drives the dust-proof belt 16 fixedly connected with the outside of the sliding block to move, and two ends of the dust-proof belt 16 are bent in the equipment base 1, so that the dust-proof belt 16 can move together with the sliding block 8.
The working process and principle of the application are as follows, combining the first embodiment with the second embodiment:
the terminal piece to be welded is placed on the upper surface of the welding bottom plate 7, the wire harness to be welded is placed above the first clamping wire clamp 11 and the second clamping wire clamp 12 and presses the wire harness, the wire harness is extruded to open the first clamping wire clamp 11 and the second clamping wire clamp 12, the wire harness is clamped by the first clamping wire clamp 11 and the second clamping wire clamp 12 under the action of the reset tension spring 13, the telescopic rod 9 slides in the sliding block 8 towards the direction of the welding bottom plate 7, the clamping blocks 15 are driven to slide and stretch out towards the direction of the welding bottom plate 7, the clamping blocks 15 on two sides are simultaneously stretched to contact with the terminal piece, after the clamping blocks 15 clamp the terminal piece stably, the walking gear 23 below the main control block 20 drives the walking rack 19 to move, the terminal piece is driven to move, the sliding beam 3 slides on the cross rod above the supporting leg 2, when the welding head column 5 moves to the position right above the terminal piece, the welding point and the welding point of the welding head 6 is pressed on the welding point of the terminal piece along the outer wall of the control block 4, the ultrasonic welding head 6 is started, and the ultrasonic wave is utilized to generate high-frequency vibration to weld the terminal piece and the wire harness is completed.
The preferred embodiments of the application disclosed above are intended only to assist in the explanation of the application. The preferred embodiments are not intended to be exhaustive or to limit the application to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The terminal ultrasonic welding device comprises a device base (1), and is characterized in that a supporting leg (2) is fixedly arranged on the upper surface of the device base (1), a sliding beam (3) is connected above the supporting leg (2) in a sliding manner, a control block (4) is fixedly arranged in the middle of the sliding beam (3), a welding head column (5) is connected to the side wall of the control block (4) in a sliding manner, and an ultrasonic welding head (6) is fixedly arranged on the lower surface of the welding head column (5);
the utility model discloses a device, including equipment base (1), welding bottom plate (7), equipment base (1), main control block (20) internal rotation is connected with walking gear (23), walking gear (23) meshing connection is in walking rack (19) upper surface, main control block (20) upper surface fixedly connected with bracing piece (21), bracing piece (21) upper surface fixedly connected with connecting rod (22), two sets of sliding groove (25) have been seted up on equipment base (1) upper surface on equipment base (1) axis, equipment cabin (10) have been seted up to equipment base (1) inside, this equipment cabin (10) inside bottom surface fixed mounting has walking rack (19), walking rack (19) upper surface sliding connection has master control block (20), master control block (20) internal rotation is connected with walking gear (23), walking gear (23) meshing connection is in walking rack (19) upper surface, master control block (20) upper surface fixedly connected with bracing piece (21), bracing piece (21) upper surface fixedly connected with connecting rod (22), two sets of sliding groove (25) symmetric distribution is in welding bottom plate (7) both sides, connecting rod (22) sliding groove (25) sliding inside and connecting rod (22) sliding groove (25) sliding top (8) are equipped with the top (8), a clamping block (15) is fixedly arranged at one end of the telescopic rod (9) facing the welding bottom plate (7);
the utility model discloses a device is characterized in that an air duct (17) is arranged on two sides of an equipment cabin (10) in an equipment base (1), a filtering grid plate (18) is fixedly arranged on one side of the air duct (17) towards a walking rack (19), the filtering grid plate (18) is of a porous structure or a grid structure, a dustproof belt (16) is fixedly arranged on the outer wall of a connecting rod (22), two sides of the dustproof belt (16) are slidably connected inside a sliding groove (25), a U-shaped groove is arranged in the equipment base (1), two ends of the dustproof belt (16) are positioned in the U-shaped groove, vent holes are formed in the upper surface and the side wall of a welding bottom plate (7), and the vent holes are connected with the equipment cabin (10) in the equipment base (1).
2. The terminal ultrasonic welding device according to claim 1, wherein at least two groups of telescopic slots (14) are formed in the upper surface of the equipment base (1), a second clamping wire clamp (12) and a first clamping wire clamp (11) are connected inside the telescopic slots (14) in a sliding mode, a gap is formed in the middle of the first clamping wire clamp (11), the width of the second clamping wire clamp (12) is matched with the width of the gap in the middle of the first clamping wire clamp (11), the bottoms of the first clamping wire clamp (11) and the second clamping wire clamp (12) are elastically connected through a reset tension spring (13), and the reset tension spring (13) is located inside the telescopic slots (14).
3. The ultrasonic terminal welding device according to claim 1, wherein the two ends of the sliding beam (3) are fixedly provided with T-shaped blocks, the T-shaped blocks are connected in a clamping manner in T-shaped grooves at the tops of the supporting legs (2), the T-shaped blocks can slide in the T-shaped grooves at the tops of the supporting legs (2), the control block (4) and the welding head column (5) are in sliding connection through the T-shaped grooves and the T-shaped blocks, and driving motors are arranged at the two ends of the sliding beam (3) and inside the control block (4).
4. The terminal ultrasonic welding device according to claim 2, wherein the cross sections of the first clamping clamp (11) and the second clamping clamp (12) are in an angle shape, the opening directions of the first clamping clamp (11) and the second clamping clamp (12) are opposite, T-shaped blocks are fixedly arranged at the bottoms of the first clamping clamp (11) and the second clamping clamp (12), and the first clamping clamp (11) and the second clamping clamp (12) stably slide in the equipment base (1) through the T-shaped blocks.
5. A terminal ultrasonic welding method, which is applied to the terminal ultrasonic welding apparatus according to any one of claims 1 to 4, comprising the steps of:
step one: the terminal piece to be welded is placed on the upper surface of a welding bottom plate (7), the wire harness to be welded is placed above a first clamping wire clamp (11) and a second clamping wire clamp (12), the wire harness is pressed to extrude the first clamping wire clamp (11) and the second clamping wire clamp (12), meanwhile, the first clamping wire clamp (11) and the second clamping wire clamp (12) stretch a reset tension spring (13) in the process of outwards keeping away, after the wire harness is loosened, the first clamping wire clamp (11) and the second clamping wire clamp (12) are closed towards the middle under the action of the reset tension spring (13), the wire harness is clamped, and meanwhile, the second clamping wire clamp (12) is clamped into a gap in the middle of the first clamping wire clamp (11) through the thin-plate-shaped second clamping wire clamp (12), so that the first clamping wire clamp (11) and the second clamping wire clamp (12) can be partially overlapped;
step two: the telescopic rod (9) slides in the sliding block (8) towards the direction of the welding bottom plate (7) to drive the clamping blocks (15) to slide and stretch out towards the direction of the welding bottom plate (7), and the clamping blocks (15) at two sides simultaneously stretch to contact with the terminal piece, so that the effect of clamping the terminal piece through the clamping blocks (15) is realized;
step three: after the terminal piece is clamped stably by the clamping block (15), a traveling gear (23) below the main control block (20) rotates under the drive of a motor, the traveling gear (23) rolls on the traveling rack (19) so as to drive the main control block (20) to move forward on the traveling rack (19), the main control block (20) drives the sliding block (8) to move forward through the supporting rod (21) and the connecting rod (22), so that the terminal piece is driven to move, and when a welding point of the terminal piece moves to be in contact with a wire harness, the traveling gear (23) stops rotating;
step four: the sliding beam (3) slides on a cross rod above the supporting leg (2) so as to drive the control block (4) and the welding head column (5) to move on a straight line, when the welding head column (5) moves to be right above a welding point of the terminal piece, the welding head column (5) starts to descend along the outer wall of the control block (4) and presses the ultrasonic welding head (6) on a part contacted with the welding point of the terminal piece and the wire harness, and the ultrasonic welding head (6) is started to generate high-frequency vibration by utilizing ultrasonic waves so that the terminal piece and the wire harness are welded;
step five: when the sliding block (8) in the third step moves, the sliding block (8) drives the dust-proof belt (16) fixedly connected with the outer part of the sliding block to move, and two ends of the dust-proof belt (16) are bent in the equipment base (1), so that the dust-proof belt (16) can move together with the sliding block (8).
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| CN202310207571.1A CN116393807B (en) | 2023-03-07 | 2023-03-07 | Terminal ultrasonic welding device and welding method thereof |
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| CN116393807A (en) | 2023-07-07 |
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