CN210848771U - High-frequency welding coil - Google Patents

Abstract

The utility model relates to a high frequency welding coil. It is including welding the coil and welding the formed part, the welding coil is the U type form, the welding coil includes the both sides arm that the front end is connected, all be equipped with the response weld part that is the type of falling U form on the both sides arm, the welding formed part is located between the response weld part of both sides arm, be equipped with the welding profiled groove on the welding formed part. The utility model discloses during the high frequency welding copper line, two copper lines and solder stretch into the welding forming type inslot by the gap between the response weld part of both sides arm, and two copper lines are at welding forming type inslot welding and shaping to improved welding effect, the shaping effect of copper line, guaranteed that welding quality is stable, the shaping is effectual.

Description

High-frequency welding coil

Technical Field

The utility model relates to a high frequency welding's technical field, in particular to high frequency welding coil.

Background

At present, on the production line of compressor, the copper line of a plurality of windings of the inside motor of compressor all need weld respectively with binding post's copper line to the circular telegram of pegging graft, on the production line of compressor at present, generally by the welder, twine binding post's copper line and winding's copper line tip) together, then weld together with high temperature flame and solder, the welder generally can burn both into rectangular form, so that follow-up can overlap easily and establish the insulating boot, thereby realize all welding binding post on the copper line of every winding. However, the welding operation of the current compressor production line has the following disadvantages: at present, the manual welding quality is poor, the welding effect is poor, and the problems of unstable and inconsistent welding quality exist in manual work. Therefore, the motor wire welding process on the production line of the existing compressor needs to be further improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high frequency welding equipment's of weld forming is effectual, welding quality is stable high frequency welding coil.

The purpose of the utility model is realized like this:

the utility model provides a high frequency welding coil, includes transfer case, welding coil and welding formed part, the welding coil is U type form, the welding coil includes the both sides arm that the front end is connected, all be equipped with the response weld part that is the shape of falling U on the both sides arm, the welding formed part is located between the response weld part of both sides arm, be equipped with the welding profiled groove on the welding formed part. The utility model discloses during the high frequency welding copper line, two copper lines and solder stretch into the welding forming type inslot by the gap between the response weld part of both sides arm, and two copper lines are at welding forming type inslot welding and shaping to improved welding effect, the shaping effect of copper line, guaranteed welding quality stability.

The utility model can be further improved as follows.

The induction welding part is positioned at the front end of the side arm, so that the head of the copper wire can be conveniently and rapidly inserted into and removed out.

The welding formed part is located at the connecting position of the front ends of the two side arms, so that the welding formed part is firm in fixation and is not easy to fall and incline.

The welding forming part is in interference fit with the two side arms at the position of the induction welding part, and the two side arms at the position of the induction welding part clamp the welding forming part so as to fix the welding forming part.

The welding forming piece is made of glass, and the glass can resist high temperature and has high melting point and cannot be adhered to a metal material, so that the metal material is convenient to melt and form.

The induction welding part is formed by integrally bending a welding coil.

The welding forming groove is in a semi-cylindrical groove shape, so that the copper wire is in a long strip shape after being welded.

The opening of the welding forming groove faces upwards, so that the copper wire can conveniently stretch into and stretch out.

The inner end of the welding forming groove is closed, and the outer end of the welding forming groove is open, so that after welding is facilitated, the copper wire is separated from the welding forming groove.

The outer end in welding profiled groove is the loudspeaker form, the inner in welding profiled groove is the sphere form to be convenient for the welding back, the copper line breaks away from welding profiled groove, avoids welding profiled groove to produce the pulling to the good copper line soldered connection of shaping, influences the welding quality of copper group.

The utility model has the advantages as follows:

the utility model discloses a welding coil includes the both sides arm that the front end is connected, all is equipped with the response weld part that is the type of falling U form on the both sides arm, the response weld part between the both sides arm is located to the welding forming part. The utility model discloses during the high frequency welding copper line, two copper lines and solder stretch into the welding forming type inslot by the gap between the response weld part of both sides arm, and two copper lines are at welding forming type inslot welding and shaping to improved welding effect, the shaping effect of copper line, guaranteed that welding quality is stable, the shaping is effectual.

Drawings

Fig. 1 is the structure schematic diagram of the high-frequency welding equipment for the wiring of the motor stator winding of the utility model.

FIG. 2 is the schematic structural diagram of the motor stator winding wiring high-frequency welding device of the present invention with the motor conveying line omitted.

Fig. 3 is a schematic view of the structure of fig. 2 from another angle.

Fig. 4 is the schematic structural diagram of the present invention without the frame, the motor conveying assembly line, the wire feeder and the high-frequency power generator.

Fig. 5 is a schematic view of the structure of fig. 4 at another angle.

Fig. 6 is an exploded view of fig. 4.

Fig. 7 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 8 is a schematic structural view of the welding profile of the present invention.

Fig. 9 is a schematic structural view of the high-frequency welding and forming apparatus of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In a first embodiment, as shown in fig. 1 to 9, a high frequency welding apparatus for wiring of a stator winding of an electric machine includes: the wire drawing machine comprises a frame 1, a horizontal sliding device 5, a wire pressing head device 6, a wire ejecting device 7, a wire feeder 2, a wire discharging device 8, a high-frequency welding and forming device 9, a high-frequency power supply generating device 3 and a motor conveying production line 4.

And the wire feeder 2 is positioned beside the frame 1 and used for conveying the welding flux to the wire outlet device 8.

And the high-frequency power supply generating device 3 is positioned beside the machine frame 1 and is used for providing a high-frequency power supply for the high-frequency welding and forming device 9.

And the horizontal sliding device 5 is arranged on the rack 1 and used for driving the wire discharging device 8 and the high-frequency welding and forming device 9 to slide back and forth and left and right.

And the wire discharging device 8 is arranged on the horizontal sliding device 5 and is used for outputting the welding flux to the high-frequency welding and forming device 9.

The high-frequency welding and forming device 9 is arranged on the horizontal sliding device 5 and is used for welding the end part of the first copper wire 44 of the stator winding of the motor and the end part of the second copper wire 45 of the wiring terminal together and forming the first copper wire into a strip shape.

The wire pressing head device 6 is arranged on the frame 1, is positioned above the high-frequency welding and forming device and is used for pressing the end part of the first copper wire 44 and the end part of the second copper wire 45 in the welding forming groove.

The wire jacking device 7 is arranged on the frame 1 and located below the high-frequency welding and forming device and used for jacking copper wires after welding so that the welded first copper wires 44 and the welded second copper wires 45 are separated from a welding forming groove.

The motor conveying assembly line 4 is arranged beside the rack 1 and positioned on the front side of the high-frequency welding and forming device 9 and used for conveying the motor 41 to the welding device for welding.

As a more specific technical solution of the present invention.

The horizontal sliding device 5 comprises a front-back translation mechanism 51 and a left-right translation mechanism 52, the front-back translation mechanism 51 comprises a front-back translation motor 53 and a front-back moving plate 54, the front-back moving plate 54 is horizontally arranged on the rack 1 in a sliding manner along the front-back direction of the rack 1, the front-back translation motor 53 is arranged on the rack 1 and is in screw transmission connection with the front-back moving plate 54, the left-right translation mechanism 52 comprises a left-right translation motor 55 and a left-right moving plate 56, the left-right moving plate 56 is horizontally arranged on the front-back moving plate 54 in a sliding manner along the left-right direction of the rack 1, the left-right translation motor 55 is arranged on the front-back moving plate 54 and is in screw transmission connection with the left-right moving plate 56, the wire discharging device 8 and the high-frequency welding and forming, the high-frequency welding and forming device 9 can weld the copper wires of the plurality of windings and the plurality of copper wires of the connection terminal on the motor 41 for a plurality of times.

As a more detailed technical solution of the present invention.

The front-back translation motor 53 is in screw transmission connection with the front-back moving plate 54 through a first screw rod 57 and a first screw rod nut block 58, a motor shaft of the front-back translation motor 53 is connected with the first screw rod 57, the first screw rod nut block 58 is in threaded connection with the first screw rod 57 and is fixed on the bottom surface of the front-back moving plate 54, and the front-back translation motor 53 drives the first screw rod 57 to rotate in the forward and reverse directions, so that the front-back moving plate 54 is driven to slide back and forth.

The left and right translation motor 55 is in screw transmission connection with the left and right moving plate 56 through a second screw rod 59 and a second screw rod nut block 50, a motor shaft of the left and right translation motor 55 is connected with the second screw rod 59, the second screw rod nut block 50 is in threaded connection with the second screw rod 59 and is fixed on the bottom surface of the front and rear moving plate 54, and the left and right translation motor 55 drives the second screw rod 59 to rotate forward and backward so as to drive the left and right moving plate 56 to slide left and right.

The high-frequency welding and forming device 9 comprises a transfer case 92, a welding wire ring 91 and a welding forming piece 93, wherein the welding wire ring 91 is in a U shape, the rear end of the welding wire ring 91 is connected with the transfer case, the transfer case 92 is electrically connected with the high-frequency power supply generating device 3, the transfer case 92 is arranged on the horizontal sliding device 5, the welding wire ring 91 comprises two side arms 96 with front ends connected, the two side arms 96 are arranged separately, the rear ends of the two side arms 96 are connected onto the transfer case 92, the front ends of the two side arms 96 are respectively provided with an induction welding part 95 in an inverted U shape, the welding forming piece 93 is arranged at the front ends of the two side arms 96 and is positioned between the induction welding parts of the two side arms 96, the welding forming piece 93 is provided with a welding forming groove 94, and the two copper wires are welded and formed in the welding forming groove 94, so that the welding effect of the two copper wires is improved, And (5) forming effect.

The induction welding portion 95 is integrally formed by bending a side arm 96 of the welding coil 91.

The welding profile 93 is located at the joint of the front ends of the two side arms 96, so that the welding profile is firmly fixed and is not easy to fall and incline.

The welding forming member 93 is made of glass, and the welding forming member 93 is made of glass, so that the glass can resist high temperature and has high melting point, and cannot be adhered to a metal material, thereby facilitating the melting and forming of the metal material.

The welding forming groove 94 is in the shape of a semi-cylindrical groove, so that the copper wire is in a long strip shape after being welded.

The opening of the welding forming groove 94 faces upwards, the inner end of the welding forming groove 94 is closed, and the outer end of the welding forming groove 94 is opened, so that after welding is facilitated, a copper wire is separated from the welding forming groove.

The outer end in welding profiled groove 94 is the loudspeaker form, the inner in welding profiled groove 94 is the sphere form to be convenient for the welding back, the copper line breaks away from welding profiled groove, avoids welding profiled groove 94 to produce the pulling to the good copper wire bonding head of shaping, influences the apparent welding quality of copper group.

The welding profile 93 is in interference fit with the two side arms 96 at the position of the induction welding portion 95, and the two side arms 96 of the induction welding portion 95 clamp the welding profile 93 to fix the welding profile 93.

The wire discharging device 8 comprises a wire discharging seat 83, a wire discharging cylinder 82 and a wire discharging head 81, the wire discharging cylinder 82 is arranged on the wire discharging seat 83, the wire discharging head 81 is arranged on a cylinder rod of the wire discharging cylinder 82, a wire discharging nozzle 84 is arranged at the front part of the wire discharging head 81, and the wire discharging nozzle 84 is positioned above the welding forming piece 93. The utility model discloses during the welding, go out the top that wire cylinder 82 driven out wire head 81 moved welding profiled groove 94 forward, send a motor to begin to start and send a silk, the solder stretches out to welding profiled groove 94 in from a wire mouth 84, then high frequency welding and forming device 9 weld again. When the high-frequency welding and forming device 9 stops welding, the wire outlet cylinder 82 drives the wire outlet head 81 to move backwards, and the solder is separated from the welding forming groove 94, so that the solder is prevented from being adhered to the two copper wires.

Be equipped with portal frame 15 in frame 1, the top that is located welding forming part 93 on portal frame 15 is located to line ball head device 6, line ball head device 6 includes line ball cylinder 61 and line ball board 62, line ball board 62's bottom is equipped with a plurality of line ball grooves 63, line ball cylinder 61's cylinder pole and line ball board 62 drive are connected, and line ball cylinder 61 drive line ball board 62 slides from top to bottom, the utility model discloses during the welding, line ball cylinder 61 drive line ball board 62's line ball groove 63 is pressed two copper wires that twine together in welding forming groove 94 in advance, guarantees two copper wires and welds at welding forming groove 94, then high frequency welding and forming device 9 begins welding again and goes out silk mouth 84 output solder simultaneously to make the welding forming of two copper wires of high quality, outward appearance good, be convenient for sheathe insulating silica gel cover in.

The welding machine is characterized in that a slag receiving box 11 used for receiving welding slag and/or welding flux is arranged on the rack 1, and the slag receiving box 11 is located below the welding forming piece 93 so as to receive the welding slag and the welding flux which fall off during welding and ensure cleanness and convenience in cleaning.

The terminal wire device 7 includes terminal wire cylinder 71 and terminal wire board 72, on the cylinder pole of terminal wire cylinder 71 was located to terminal wire board 72 the utility model discloses after the welding, terminal wire cylinder 71 drive terminal wire board 72 rose to jack up the good copper line of welding, when avoiding the copper line to retreat at the welding forming groove 94 of welding forming part 93, the copper line of molten condition was pulled and is out of shape, leads to welding quality and outward appearance variation.

The wire feeder 2 comprises a second rack 20, a wire feeding motor 21, a wire feeding and pressing roller assembly 23 and a wire winding drum 22, the wire winding drum 22 is vertically and rotatably arranged on the second rack 20, the wire feeding motor 21 and the wire feeding and pressing roller assembly 23 are arranged on the second rack, the wire feeding and pressing roller assembly 23 comprises a base 24, a plurality of upper wire pressing rollers 25 and lower wire pressing rollers 26, the upper wire pressing rollers 25 and the lower wire pressing rollers 26 are vertically and rotatably arranged on the base 24, the upper wire pressing rollers 25 are arranged above the lower wire pressing rollers 26, a welding wire is arranged in a gap between the upper wire pressing rollers 25 and the lower wire pressing rollers 26, the wire feeding motor 21 is in driving connection with the wire feeding and pressing roller assembly 23, and the wire feeding and pressing roller assembly 23 is communicated with a wire outlet through a wire feeding pipe 85. The utility model discloses when sending a silk machine to send a silk, send a motor 21 drive to send the upper and lower wire pressing roller 26 of a wire pressing roller subassembly 23 to rotate, upper and lower wire pressing roller 26 presss from both sides the welding wire and advances forward, consequently send the length that motor 21 can the accurate control welding wire pay-off.

Be equipped with workstation 12 on frame 1, horizontal sliding device 5 locates on workstation 12, be equipped with first guide rail 13 along the fore-and-aft direction of frame 1 on workstation 12, it is provided with first sliding block 131 to slide on first guide rail 13, the movable plate slides and sets up on first sliding block 131 around, the movable plate is equipped with second guide rail 14 around frame 1 along the left and right sides direction of frame 1 around, the movable plate slides and sets up on second guide rail 14, it is provided with second sliding block 141 to slide on second guide rail 14, the movable plate slides and sets up on second sliding block 141 around to make movable plate and movable plate slide stably around.

The utility model discloses a theory of operation is:

before the utility model starts welding, the motor conveying assembly line 4 starts to convey the motor 41 towards the high-frequency welding equipment for wiring the motor stator winding, the motor conveying assembly line 4 winds a plurality of first copper wires 44 of the motor winding and a plurality of second copper wires 45 of the wiring terminal together in pairs in advance to form a plurality of copper wire groups 42 to be welded, the directions of the copper wires wound together are consistent and are hung in the positioning wire slot 43 on the motor conveying assembly line 4, when the motor 41 is conveyed to the side of the frame 1, the utility model starts welding, the front and back translation motor 53 drives the wire outlet device 8 and the high-frequency welding and forming device 9 to move forwards, the left and right translation motor 55 drives the wire outlet device 8 and the high-frequency welding and forming device 9 to move leftwards and rightwards, so that the welding forming groove 94 of the welding forming part 93 is aligned with the copper wire groups 42, and the copper wire groups 42 are inserted into the welding forming groove 94 from the gap between the induction welding parts 95 of, meanwhile, the wire pressing cylinder 61 drives the wire pressing plate 62 to slide downwards, the wire pressing grooves 63 of the wire pressing plate 62 pre-press two copper wires which are wound together in the welding forming groove 94 to ensure that the two copper wires are welded in the welding forming groove 94, then the high-frequency welding and forming device 9 starts welding again, meanwhile, the wire outlet cylinder 82 drives the wire outlet head 81 to move forwards above the welding forming groove 94, the wire feeding motor 21 starts wire feeding, the solder extends out from the wire outlet nozzle 84, the solder extends into the welding forming groove 94 from a gap between the induction welding parts 95 of the side arms 96 of the two side arms 96, the solder and the copper wire group 42 are welded and formed in the welding forming groove 94, after the high-frequency welding and forming device 9 is welded, the front and back translation motor 53 drives the wire outlet device 8 and the high-frequency welding and forming device 9 to move backwards, the copper wire group 42 is separated from the welding forming groove 94, and meanwhile, the wire pressing cylinder 61 drives the wire pressing plate 62 to slide, the wire pressing plate 62 is separated from the copper wire group 42, the wire jacking cylinder 71 drives the wire jacking plate 72 to ascend, and the wire jacking plate 72 lifts the copper wire group 42 away from the welding forming groove 94.

Then, the left-right translation motor 55 drives the wire discharging device 8 and the high-frequency welding and forming device 9 to move left, the front-back translation motor 53 drives the wire discharging device 8 and the high-frequency welding and forming device 9 to move forward, so that the welding forming groove 94 of the welding forming piece 93 is aligned with the next group of copper wire groups 42 and the next group of copper wire groups 42 are inserted into the welding forming groove 94, and then the above welding steps are repeated until the plurality of groups of copper wire groups 42 on the motor 41 are welded. Additionally, after each set of wire sets 42 has been soldered, most of the components are reset in preparation for the next solder.

The second embodiment is similar to the first embodiment, and the only difference is that: the horizontal sliding device 5 comprises a front-back translation mechanism 51 and a left-right translation mechanism 52, the left-right translation mechanism 52 comprises a left-right translation motor 55 and a left-right moving plate 56, the left-right moving plate 56 is horizontally arranged on the rack 1 in a sliding manner along the left-right direction of the rack 1, the left-right translation motor 55 is arranged on the rack 1 and is in screw transmission connection with the left-right moving plate 56, the front-back translation mechanism 51 comprises a front-back translation motor 53 and a front-back moving plate 54, the front-back moving plate 54 is horizontally arranged on the left-right moving plate 56 in a sliding manner along the front-back direction of the rack 1, the front-back translation motor 53 is arranged on the left-right moving plate 56 and is in screw transmission connection with the front-back moving plate 54, the wire discharging device 8 and the high-frequency welding and forming device, the high-frequency welding and forming device 9 can weld the copper wires of the plurality of windings and the plurality of copper wires of the connection terminal on the motor 41 for a plurality of times. The working principle of the second embodiment is similar to that of the first embodiment, and is not described here.

Claims (10)

1. A high-frequency welding coil is characterized in that: including welding the coil and welding the formed part, the welding coil is the U type form, the welding coil includes the both sides arm that the front end is connected, all be equipped with the response weld part that is the type of falling U form on the both sides arm, the welding formed part is located between the response weld part of both sides arm, be equipped with the welding shaping groove on the welding formed part.

2. A high-frequency welding coil according to claim 1, characterized in that: the induction welding part is positioned at the front end of the side arm.

3. A high-frequency welding coil according to claim 1, characterized in that: the welding forming part is in interference fit with the two side arms at the position of the induction welding part, and the two side arms at the position of the induction welding part clamp the welding forming part.

4. A high-frequency welding coil according to claim 1, characterized in that: the solder molding is made of glass.

5. A high-frequency welding coil according to claim 1, 2 or 3, characterized in that: the welding forming part is arranged at the joint of the front ends of the two side arms.

6. A high-frequency welding coil according to claim 1, characterized in that: the induction welding part is formed by integrally bending a welding coil.

7. A high-frequency welding coil according to claim 1, characterized in that: the opening of the welding forming groove faces upwards.

8. A high-frequency welding coil according to claim 6, characterized in that: the outer end of the welding forming groove is in a horn shape, and the inner end of the welding forming groove is in a spherical surface shape.

9. A high-frequency welding coil according to claim 6, characterized in that: the welding forming groove is in a semi-cylindrical groove shape.

10. A high-frequency welding coil according to claim 7, characterized in that: the inner end of the welding forming groove is closed, and the outer end of the welding forming groove is open.

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