CN116191793B

CN116191793B - Automatic coil wire bonding device for flat wire motor

Info

Publication number: CN116191793B
Application number: CN202310446826.XA
Authority: CN
Inventors: 王先锋
Original assignee: Bondi Intelligent Equipment Henan Co ltd
Current assignee: Bondi Intelligent Technology Shanghai Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-06-30
Anticipated expiration: 2043-04-24
Also published as: CN116191793A

Abstract

The invention discloses an automatic coil wire bonding device for a flat wire motor, which comprises: the feeding bin assembly is any two of the feeding bin assemblies, and the feeding bin assemblies comprise bin bases, guide protection plates, bin frames and wire bonding mechanisms; the wire bonding mechanism comprises a die seat, a telescopic structure and a wire pressing structure which are connected to the inner wall of one side of the stock bin seat; the wire bonding driving structure is arranged on one side of the wire bonding mechanism and drives the wire bonding structure to slide up and down on the telescopic structure so as to drive one end of the wire bonding structure to move in the clearance groove of the die seat; the wire bonding transfer assembly is arranged at the other side of the wire bonding mechanism; when 3D hairpin coils in the wire bonding transfer assembly pushing bin seat enter into the die cavity of the die seat, the wire pressing structure drives the 3D hairpin coils in the die cavity of the die seat into the knitting wire cage of the flat wire motor, automatic wire insertion of the hairpin coils is achieved, labor cost is saved, and production efficiency is improved.

Description

Automatic coil wire bonding device for flat wire motor

Technical Field

The invention relates to the technical field of coil production and processing for flat wire motors, in particular to an automatic coil wire bonding device for a flat wire motor.

Background

The stator winding of flat wire motor is made up by using several thick rectangular wires, commonly called flat wire, and making the winding into the form similar to hairpin, then making it pass through the stator slot, and welding the ends of the hairpin together at another end.

Because the number of flat wire layers required by the flat wire motor stator is more and more (8 layers are reached at present), the number of wire slots is originally more (96 slots are reached at present), the number of hairpins corresponding to the flat wire of the stator is also more and more, and the failure of the whole stator can be caused by misplug of one hairpin, the difficulty of wire insertion is greatly increased by more number of flat wire layers and number of wire slots of the stator, and the position consistency and the number accuracy of the wire insertion can be ensured in production.

The existing technical scheme mainly takes manual work directly to the internal plug wire of stator core as the main, and the manual plug wire can appear leaking plug wire, inserting mixed line, damaging the film phenomenon, and plug wire uniformity is not good, and inefficiency, and stability is relatively poor, causes not little influence to stator assembly follow-up work.

Disclosure of Invention

In order to solve the above-mentioned technical drawbacks, the present invention provides an automatic wire bonding device for a coil of a flat wire motor, the automatic wire bonding device comprising:

the feeding bin assembly is any two of the feeding bin assemblies, and comprises a supporting seat connected to the base, a bin seat arranged on the supporting seat, guide protection plates connected to two sides of the bin seat, a bin frame arranged in the bin seat and a wire bonding mechanism connected to one side of the interior of the bin seat;

The wire bonding mechanism comprises a die seat, a telescopic structure and a wire pressing structure, wherein the die seat, the telescopic structure and the wire pressing structure are connected to the inner wall of one side of the bin seat, one part of the telescopic structure is connected to the bottom of the die seat, and the other part of the telescopic structure is connected to the top of the die seat;

the wire bonding driving structure is arranged on one side of the wire bonding mechanism and is suitable for driving the wire bonding structure to slide up and down on the telescopic structure so as to drive one end of the wire bonding structure to move in the clearance groove of the die seat; and

the wire bonding transfer assembly is arranged on the other side of the wire bonding mechanism;

when the wire bonding transfer component pushes the 3D hairpin coil in the stock bin seat to enter the die cavity of the die seat, the wire pressing structure is suitable for downwards moving from the clearance groove of the die seat under the action of the wire bonding driving structure so as to drive the 3D hairpin coil in the die cavity of the die seat into the knitting wire cage of the flat wire motor.

Optionally, the die seat comprises a first bottom die, a first upper die and a first lower die which are connected with one end of the inner wall of the stock bin seat,

the first lower die is provided with an outer contour matched with the 3D hairpin coil, so that the 3D hairpin coil is suitable for straddling the first lower die;

The first upper die is arranged above the first lower die, and a first clearance channel allowing the 3D hairpin coil to pass through is arranged between the first upper die and the first lower die;

the first upper die, the first lower die and the first bottom die are provided with a second clearance channel in the vertical direction, the width of the second clearance channel is equal to that of the 3D hairpin coil, and the second clearance channel is communicated with the first clearance channel.

Optionally, the telescopic structure includes that connecting roof and one end are all connected telescopic link and bracing piece on the connecting roof, the telescopic link is kept away from connecting the one end of roof and being connected the bottom of feed bin seat, the bracing piece is kept away from connecting the one end of roof then is suitable for to connect the top of first die block.

Optionally, the line ball structure is including the cover is established guide block on the telescopic link and connect the telescopic link with clamp plate and the wire bonding arc board in the middle of the bracing piece, the wire bonding arc board have with the outline of second clearance passageway looks adaptation, so that the wire bonding arc board is suitable for reciprocate in the second clearance passageway.

Optionally, the feed bin frame includes along first bracing piece and the second bracing piece of the vertical parallel arrangement of feed bin seat length direction, connect first bracing piece with guide bar and the top guide bar on the second bracing piece, the guide bar is suitable for accept horizontal guide post go up the 3D hairpin coil that slides over, the top guide bar level is established in the feed bin seat and be located the top of guide bar, and be suitable for when 3D hairpin coil strides on the guide bar, the height of top guide bar is higher than horizontal guide post and is located the waist edge top of the three-section of 3D hairpin coil, in order to further restrict 3D hairpin coil takes place the upset.

Optionally, the guide bar includes guide bar, lower guide bar and X shape frame, go up the guide bar with the one end that the guide bar is kept away from down the horizontal guide post all is connected on the feed bin subassembly is mended, the other end all be the level free state with horizontal guide post is parallel to each other crisscross, just go up the guide bar be less than the height of horizontal guide post.

Optionally, the routing moves and carries the subassembly and includes routing base, routing bottom plate, sliding platform and horizontal side pushing structure, the routing bottom plate is connected the upper surface of routing base, horizontal side pushing structure connects on the sliding platform, sliding platform is suitable for driving horizontal side pushing structure to move in the pay-off storehouse subassembly, in order to with 3D hairpin coil in the feed bin seat is sent into in the die cavity of mould seat.

Optionally, the sliding platform comprises a first direction sliding structure and a second direction sliding structure,

the first direction sliding structure comprises a first driven sliding rail, a first driving sliding rail and a first horizontal sliding table which are connected to the wire bonding bottom plate, wherein the upper surfaces of the first driven sliding rail and the first driving sliding rail are connected with the bottom surface of the first horizontal sliding table, the first driving sliding rail comprises a first driving motor and a main sliding rail connected to an output shaft of the first driving motor, and the main sliding rail is suitable for driving the first horizontal sliding table to move under the driving action of the first driving motor so as to drive the first driven sliding rail to synchronously move;

The second direction sliding structure comprises a second horizontal sliding table, and a second driving sliding rail and a second driven sliding rail which are connected to the lower surface of the second horizontal sliding table;

the second driving sliding rail comprises a second driving motor vertically arranged on the first horizontal sliding table, a cylindrical helical gear connected to an output shaft of the second driving motor, and a strip-shaped tooth block connected to the lower surface of the second horizontal sliding table, wherein the strip-shaped tooth block is arranged along the sliding direction of the 3D hairpin coil, and the strip-shaped tooth block is meshed with the cylindrical helical gear for transmission;

the second driven sliding rail comprises a second sliding seat connected to the first horizontal sliding table and a second sliding block connected to the second sliding seat in a sliding mode, and the top of the second sliding block is connected to the lower surface of the second horizontal sliding table.

Optionally, the horizontal side pushing structure comprises a second supporting frame, an air cylinder assembly and a push rod, wherein the lower end of the second supporting frame is connected to the second horizontal sliding table, the upper end of the second supporting frame is used for supporting the air cylinder assembly and the push rod, the push rod is connected to the air cylinder assembly, and the push rod is suitable for pushing the 3D hairpin coil on the stock bin frame to the die cavity of the die seat under the driving of the air cylinder assembly.

Optionally, the wire bonding driving structure includes a vertical force application mechanism and a horizontal moving mechanism fixedly connected to the vertical force application mechanism, wherein:

the horizontal moving mechanism comprises a second connecting plate, a first wire-bonding slide rail seat fixedly connected to the second connecting plate, a first wire-bonding slide block connected to the first wire-bonding slide rail seat in a sliding manner, and a horizontal bearing beam connected to the first wire-bonding slide block through the connecting plate, wherein the first wire-bonding slide block is suitable for sliding along the first wire-bonding slide rail seat so as to drive the horizontal bearing beam to move horizontally;

the vertical force application mechanism comprises a vertical frame, a wire bonding driving motor, a second wire bonding slide rail seat, a second wire bonding slide block, force application pliers and a pressure gauge, wherein the second wire bonding slide rail seat is fixedly connected to one side of the vertical frame, the second wire bonding slide block is suitable for sliding along the second wire bonding slide rail seat under the driving action of the wire bonding driving motor, the force application pliers and the pressure gauge are connected to the second wire bonding slide block, and one side of the pressure gauge is connected with the force application pliers and used for detecting the force applied by the force application pliers on the wire pressing structure.

Compared with the prior art, the invention has at least the following beneficial effects:

the invention relates to an automatic coil wire bonding device for a flat wire motor, which comprises a feed bin assembly, a wire bonding driving structure and a wire bonding transfer assembly, wherein the feed bin assembly is any two of the feed bin assembly and is transported to a wire bonding station through a moving way, therefore, the feed bin assembly comprises a supporting seat, a bin seat, a guide protection plate, a bin frame and a wire bonding mechanism, the bin seat is arranged on the supporting seat, the bin frame is arranged in the bin seat and is used for bearing a 3D hairpin coil, in order to enable the 3D hairpin coil to smoothly slide on the bin frame into a die seat of the wire bonding mechanism in order, the guide protection plate is arranged on the bin seat, a clearance channel allowing a single 3D coil to sequentially move is formed between the feed bin frame and the wire bonding mechanism, the wire bonding mechanism comprises the die seat, a telescopic structure and a wire bonding structure, the wire bonding transfer assembly is arranged on the other side of the wire bonding mechanism, when the 3D hairpin coil in the wire transfer assembly moves into a die cavity of the die seat, the wire bonding structure is suitable for moving downwards from a clearance groove of the die seat under the action of the wire bonding driving structure, and automatically driving the 3D hairpin coil in the die seat into the die cavity of the die seat, so that the flat wire can automatically slide into the die cavity of the motor, the flat wire bonding device can stably slide in order, the wire bonding efficiency is improved, the flat wire bonding wire can be manufactured, the flat wire bonding efficiency is stably, and the flat wire bonding coil wire bonding efficiency is realized, and the flat wire bonding efficiency is reduced, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic view of a directional structure of an automatic coil wire bonding device for a flat wire motor according to an embodiment of the present invention;

fig. 2 is a schematic diagram of another direction structure of an automatic coil wire bonding device for a flat wire motor according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an assembly structure of a linear vibrator and a bin assembly according to an embodiment of the present invention;

FIG. 4 is a schematic view of an assembled linear vibrator and bin assembly in one direction according to an embodiment of the present invention;

FIG. 5 is a schematic view of another directional assembly structure of a pair of linear vibrators and a pair of bin assemblies according to an embodiment of the invention;

FIG. 6 is a schematic diagram of an assembly of a single linear vibration assembly with a single silo assembly with a vibration base removed in accordance with an embodiment of the invention;

FIG. 7 is a schematic diagram of a 3D hairpin hanging on a single linear vibration assembly with a vibration base removed;

FIG. 8 is a schematic view of a directional structure of a bin assembly according to an embodiment of the invention;

FIG. 9 is a schematic view of another directional structure of a bin assembly according to an embodiment of the invention;

FIG. 10 is a schematic diagram illustrating a directional structure of a wire bonding mechanism according to an embodiment of the present invention;

FIG. 11 is a schematic view of a direction mounting structure of a wire bonding transfer assembly for securing a pair of bin assemblies in accordance with an embodiment of the present invention;

FIG. 12 is a schematic view of another directional mounting structure of a wire bonding transfer assembly for securing a pair of magazine assemblies in accordance with an embodiment of the present invention;

FIG. 13 is a schematic view of another directional mounting structure of a wire bonding transfer assembly for securing a pair of magazine assemblies in accordance with an embodiment of the present invention;

FIG. 14 is a schematic front view of a wire bonding transfer assembly for securing a pair of magazine assemblies in accordance with an embodiment of the present invention;

FIG. 15 is a schematic view of a directional structure of a single feed bin assembly according to an embodiment of the invention;

fig. 16 is a schematic three-dimensional structure of a wire bonding driving structure according to an embodiment of the invention.

Reference numerals illustrate:

100-linear vibrator;

110-a base;

111-leveling bolts; 112-right angle connection plates;

120-linear vibration assembly;

121-a vibration base; 122-vibrating floor; 123-guiding structure;

1231-a first support frame; 12311-vertical support beams; 12312-horizontal beams; 12313-horizontal guide posts;

1232-side guide frame; 12321-a first vertical inner guide plate; 123211-first protective pad; 12322-a second vertical inner guide plate; 123221-a second protective pad; 12323-first vertical outer guide plate; 123231-third protective pad; 12324-a second vertical outer guide plate; 123241-fourth protective pad;

124-a tooth-shifting mechanism; 1241-a tooth-poking cylinder; 1242-toggle; 125-a first sensor; 126-a second sensor; 127-vibration controller; 128-auxiliary guide frames; 1281-a first connection plate; 1282-a fifth protective pad;

200-a supplementing bin assembly;

210-a supporting seat; 220-bin seat; 221-a bin bottom plate; 222-bin side plates;

230-guiding protection plate; 231-a first guard plate; 232-a second guard plate;

240-bin rack; 241-first support bar; 242-a second support bar; 243-guide bar; 2431-upper guide bar; 2432-lower guide bar; 2433-an X-shaped rack; 244-top guide bar;

250-robot quick disc change; 251-chuck; 252-pallet;

260-a wire bonding mechanism; 261-a die holder; 2611-a first bottom die; 2612-first upper die; 2613-first lower die; 262-telescoping structure; 2621-telescoping rod; 2622-support bar; 2623-connecting top plate;

263-wire structure; 2631-guide blocks; 2632-platen; 2633-wire bonding arc plates;

300-wire bonding transfer assembly;

310-a wire bonding base; 320-wiring a bottom plate; 330-a sliding platform;

331-a first direction slip structure; 3311—a first driven slide rail; 3312—a first active slide rail; 33121-a first drive motor; 33122—a primary slide rail; 331221-main slide; 331222-main slide; 3313—a first horizontal slip;

332-a second direction slip structure; 3321-a second horizontal slip; 3322-a second active slide rail; 33221-a second drive motor; 33222-cylindrical helical gear; 33223-bar-shaped tooth blocks; 3323-second driven slide rail; 33231-a second carriage; 33232-second slider;

340-horizontal side pushing structure; 341-a second support frame; 342-a cylinder assembly; 343-push rod; 350-a bin clamping mechanism;

400-robot;

410-robot base; 420-rotating the base; 430-a first robotic arm; 440-a second mechanical arm; 450-clamping seat; 460-positioning structure;

500-a wire bonding driving structure;

510-a vertical force application mechanism; 511-vertical rack; 512-wire-bonding driving motor; 513-a second wire bonding slide rail seat; 514-a second wire bonding slider; 515-force application pliers; 516-manometer;

520-horizontal movement mechanism; 521-a second connection plate; 522-a first wire bonding slide rail mount; 523-first wire bonding slider; 524-horizontal load beam.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In order to solve the above problems, fig. 1 to 16 show an automatic coil wire bonding device for a flat wire motor according to an embodiment of the present invention, where the automatic coil wire bonding device for a flat wire motor includes a feeding bin assembly, a wire bonding transfer assembly 300, and a wire bonding driving structure 500, where:

the feeding bin assembly is any two of the feeding bin assemblies 200, which are carried to the wire bonding station through automatic equipment, so that the feeding bin assembly (namely the feeding bin assembly 200 in the drawing) comprises a supporting seat 210, a bin seat 220, a guide protection plate 230, a bin frame 240 and a wire bonding mechanism 260, wherein the bin seat 220 is arranged on the supporting seat 210, the guide protection plate 230 is connected to two sides of the bin seat 220 and used for stably guiding the 3D hairpin coil, the bin frame 240 is used as a main body for suspending the 3D hairpin coil, the main body is arranged in the bin seat 220, and the wire bonding mechanism 260 is connected to one side of the inside of the bin seat 220 so as to sequentially drive the coils on the bin frame 240 in the bin seat 220 into a wire bonding cage one by one.

The wire bonding mechanism 260 comprises a die seat 261, a telescopic structure 262 and a wire pressing structure 263 which are connected to the inner wall of one side of the stock bin seat 220, wherein one part of the telescopic structure 262 is connected to the bottom of the die seat 261, and the other part of the telescopic structure 262 is connected to the top of the die seat 261.

The wire-bonding driving structure 500 is disposed at one side of the wire-bonding mechanism 260, and the wire-bonding driving structure 500 is adapted to drive the wire-bonding structure 263 to slide up and down on the telescopic structure 262, so as to drive one end of the wire-bonding structure 263 to move in the clearance groove of the mold seat 261.

The wire transfer assembly 300 is disposed on the other side of the wire bonding mechanism 260, and when the wire transfer assembly 300 pushes the 3D hairpin coil in the bin seat 220 to enter the cavity of the mold seat 261, the wire pressing structure 263 moves downward from the clearance groove of the mold seat 261 under the action of the wire bonding driving structure 500, so as to drive the 3D hairpin coil in the cavity of the mold seat 261 into the knitting wire cage of the flat wire motor.

Referring to fig. 1 and 3, each of the feeding bin assemblies 200 (which is illustrated as a bin assembly that is transported to a wire bonding station at a later stage to be a feeding bin assembly) is correspondingly connected to an end of each of the linear vibrators 100 (i.e. at a rear side in the drawing) so as to correspondingly receive the 3D hairpin coils transmitted by the vibration of the linear vibrators 100, and one type of 3D hairpin coils is suspended on each of the linear vibrators 100, so that 3D hairpin coils with different sizes are received in each of the feeding bin assemblies 200.

In this embodiment, the feeding bin assemblies are used as any two of the feeding bin assemblies 200, the two feeding bin assemblies are installed at the wire bonding station and located at one side of the wire bonding transfer assembly 300, the wire bonding transfer assembly 300 is used for fixing the feeding bin assemblies and pushing 3D hairpin coils in the feeding bin assemblies into the die, when the robot 400 transfers any two of the feeding bin assemblies 200 as the feeding bin assemblies and carries to the wire bonding station, one feeding bin assembly is suitable for feeding wire bonding operation after being fixed by the wire bonding transfer assembly 300, while the other feeding bin assembly is used for seamless feeding under the carrying action of the robot 400, so that when materials in the feeding bin assemblies are consumed, the feeding bin assemblies of the standby station can continue to carry out wire bonding operation, the production efficiency and the automation degree are improved, and the production beat is satisfied.

It should be further described that in the embodiment of the present invention, the linear vibrator 100 is used to perform vibration operation, preferably, the linear vibrator 100 is a pneumatic linear vibrator, high-pressure gas discharged by the air compressor is introduced into the air inlet through the air pipe, when the gas pushes the piston to move, the gas in the air chamber on the piston is extruded, and the extruded gas is discharged through the air outlet hole. When the piston moves to the end point, the ventilation direction of the gas is automatically switched through the groove and the gas channel, so that the gas enters the piston gas chamber. The high-pressure gas pushes the piston to move to the end point, the first circulation is finished, the second circulation is started, and the vibration exciter is enabled to generate translational motion and shaking through continuous reciprocating circulation in sequence, so that vibration force is generated.

Of course, the linear vibrator 100 may also be driven by electric power, for example, a motor is disposed on the linear vibrator 100, an eccentric wheel is mounted on the motor, and spring pieces are mounted on the motor in the vertical direction and the horizontal direction. The motor rotation can make the vibration base vibrate slightly in the vertical and horizontal directions. By reasonably setting the damping of the spring and the rotation of the motor, the material on the linear vibrator 100 can move along the track until being delivered to the discharge port.

The 3D hairpin coil in this embodiment moves on the linear vibrator 100, and through the screening or the posture change of the linear vibrator 100, the 3D hairpin coil can automatically enter the feeding bin assembly 200 in a uniform posture according to the processing requirement.

Specifically, in the embodiment of the present invention, the automatic coil wire bonding device for a flat wire motor further includes a control system, and the control system is respectively adapted to control the actions of the linear vibrator 100, the wire bonding transfer assembly 300 and the robot 400, so as to complete the automatic feeding and feeding operation of the 3D hairpin coil.

Further, in an embodiment of the present invention, the linear vibrator 100 includes a base 110 and a linear vibration assembly 120 coupled to an upper surface of the base 110, wherein:

The linear vibration assembly 120 includes a vibration base 121 connected to the base 110, a vibration base 122 mounted on the upper surface of the vibration base 121, a guide structure 123 disposed along the length direction of the vibration base 121, a tooth-pulling mechanism 124 and a first sensor 125 disposed at the end of the guide structure 123, a vibration controller 127 electrically connected to the vibration base 121, and an auxiliary guide frame 128, the auxiliary guide frame 128 being mounted at both sides of the end of the guide structure 123, and the 3D hairpin coil being adapted to be suspended on the guide structure 123 and automatically move forward under the vibration of the vibration base 121.

When the linear vibration assembly 120 is full of the replenishment bin assembly 200, the first sensor 125 receives signals and drives the tooth shifting mechanism 124 to act so as to intercept the 3D hairpin coil on the guide structure 123 to continue sliding.

In addition, in order to adjust the height and levelness of the base 110, the base 110 in this embodiment includes a leveling bolt 111 and a right-angle connection plate 112, wherein one side of the right-angle connection plate 112 is connected to the base 110, and the other side is fixed to the ground, so as to prevent the linear vibration assembly 120 on the base 110 from being displaced due to vibration.

In particular, referring to fig. 3, 4, 5 and 6, in the embodiment of the present invention, each linear vibration assembly 120 includes a vibration base 121, a vibration base 122, a guide structure 123, a tooth pulling mechanism 124, a first sensor 125, a second sensor 126, a vibration controller 127 and an auxiliary guide frame 128, wherein the vibration controller 127 is used for controlling the vibration base 121 to vibrate so that an object placed on a surface thereof can move forward in a vibrating manner, the vibration base 122 is connected to an upper surface of the vibration base 121 so that the vibration base 122 can vibrate, and the guide structure 123 is connected to an upper surface of the vibration base 122 for guiding the 3D hair clip coil suspended on the guide structure 123 to move forward. The first sensor 125 is installed at the end of the linear vibration assembly 120 to detect the number of hairpin coils passing through to the replenishment bin assembly 200, and when the detected number of passed-through vibration reaches a set requirement, the tooth-pulling mechanism 124 acts to intercept the hairpin coils on the linear vibration assembly 120.

Further, in the embodiment of the present invention, the guide structure 123 includes a first support frame 1231 connected to the vibration base plate 122 and disposed along the length direction of the vibration base 121, and side guide frames 1232 located at both sides of the first support frame 1231, wherein:

the first support frame 1231 includes a plurality of vertical support beams 12311 arranged in a line along the length direction of the vibration base 121, a horizontal beam 12312 connected to the top of the vertical support beams 12311, and a horizontal guide post 12313 connected to the upper surface of the horizontal beam 12312, and the horizontal guide post 12313 is adapted to be supported at the inner top side of the triangle of the 3D hairpin.

Specifically, referring to fig. 5, 6 and 7, in the embodiment of the present invention, the guiding structure 123 includes a first supporting frame 1231 and side guiding frames 1232, the side guiding frames 1232 are mounted on the left and right sides of the first supporting frame 1231, wherein the first supporting frame 1231 is composed of five vertical supporting beams 12311, one horizontal beam 12312 and one horizontal guiding column 12313, the five vertical supporting beams 12311 are linearly arranged at a certain distance along the length center direction of the vibrating base plate 122, and are fixedly connected through triangular reinforcing ribs, the top of the vertical supporting beams 12311 is connected with a horizontal beam 12312, and likewise, the connection between the horizontal beam 12312 and each vertical supporting beam 12311 is fixedly connected through triangular reinforcing ribs, in order to prevent the 3D shaped hairpin coil suspended on the horizontal beam 12312 from being scratched, the upper surface of the horizontal beam 12312 is also connected with a horizontal guiding column 12313, the contact position of the horizontal guiding column 12313 and the 3D shaped hairpin coil is adapted, and the horizontal guiding column 12313 is made of ultra-high molecular polyethylene material, so as to avoid the hairpin coil from being scratched.

Further, in the embodiment of the present invention, the side guide frame 1232 includes first and second vertical

inner guide plates

12321 and 12322 respectively disposed in parallel to both sides of the vertical support beam 12311 and first and second vertical

outer guide plates

12323 and 12324 respectively disposed in parallel to both sides of the vertical support beam 12311, and the first and second vertical

outer guide plates

12323 and 12324 are respectively disposed at outer sides of the first and second vertical

inner guide plates

12321 and 12322 respectively such that gap passages allowing sliding progress of the vertical sections of the 3D hairpin coil are respectively formed between the first and second vertical

outer guide plates

12323 and 12321 and between the second and second vertical

inner guide plates

12324 and 12322.

Referring to fig. 6 and 7, in an embodiment of the present invention, the side guide frame 1232 includes a first vertical inner guide plate 12321, a second vertical inner guide plate 12322, a first vertical outer guide plate 12323, and a second vertical outer guide plate 12324, the first vertical inner guide plate 12321 and the first vertical outer guide plate 12323 are respectively located at one side of the first support frame 1231, and the first vertical outer guide plate 12323 is located at an outer side of the first vertical inner guide plate 12321 away from the first support frame 1231, and a gap between the first vertical inner guide plate 12321 and the first vertical outer guide plate 12323 only allows the end of the 3D shaped hairpin coil to pass through and limits the end of the 3D shaped hairpin coil. So that the 3D molded hairpin coil can smoothly move forward along the horizontal guide post 12313 under the vibration action of the vibration base 121.

Preferably, a protection pad is connected to a surface of one side of the first vertical inner guide plate 12321, the second vertical inner guide plate 12322, the first vertical outer guide plate 12323 and the second vertical outer guide plate 12324, which is close to the 3D molded hairpin coil, so as to protect the surface of the 3D molded hairpin coil from scratch.

Referring to fig. 6 and 7, in this embodiment, a first protection pad 123211 is adhered to a side of the first vertical inner guide plate 12321 close to the first vertical outer guide plate 12323, a second protection pad 123221 is adhered to a surface of a side of the second vertical inner guide plate 12322 close to the first vertical outer guide plate 12323, a third protection pad 123231 is adhered to a side of the first vertical outer guide plate 12323 close to the first vertical inner guide plate 12321, and a fourth protection pad 123241 is adhered to a side of the second vertical outer guide plate 12324 close to the second vertical inner guide plate 12322.

It will be appreciated that for the omnibearing protection of the 3D molded hairpin coil, the length of the first vertical inner guide plate 12321 is the same as the length of the horizontal guide post 12313, and when the 3D molded hairpin coil is vibrated forward to the end of the horizontal guide post 12313, the 3D molded hairpin coil needs to be excessively transferred into the replenishment bin assembly 200, so that the end of the vertical section of the 3D molded hairpin coil needs to be limited to facilitate better entry into the replenishment bin assembly 200, plus consideration of cost and actual need, the lengths of the first vertical outer guide plate 12323 and the second vertical outer guide plate 12324 are less than the lengths of the first vertical inner guide plate 12321 and the second vertical inner guide plate 12322.

In addition, it should be further noted that, in this embodiment, the first vertical inner guide plate 12321 and the second vertical inner guide plate 12322 have the same structure, and the first vertical outer guide plate 12323 and the second vertical outer guide plate 12324 have the same structure, so that the production and processing are facilitated.

In this embodiment, referring to fig. 7, the gear shifting mechanism 124 includes a gear shifting cylinder 1241 and a shift lever 1242, the shift lever 1242 is mounted on an output shaft of the gear shifting cylinder 1241, and the gear shifting cylinder 1241 is fixed in a gap between each two linear vibration assemblies 120 by a mounting plate.

Referring to fig. 6, in order to enable the 3D hairpin at the end of the guide structure 123 to be transferred onto the feeding bin assembly 200 in a stable transition manner, so as to prevent the 3D hairpin from stacking during the vibration process, and affecting the subsequent process, an auxiliary guide frame 128 is further connected to two sides of the end of the horizontal beam 12312, the auxiliary guide frame 128 is composed of a first connecting plate 1281 and a fifth protection pad 1282, wherein the first connecting plate 1281 is a right-angle structure, one side of the first connecting plate 1281 is connected with the horizontal beam 12312, and the other side of the first connecting plate is horizontally positioned between the 3D hairpin and the horizontal guide post 12313, so as to balance the vertical section of the 3D hairpin, so that the vertical section of the 3D hairpin can be vertically downward. The fifth protection pad 1282 is connected to the lower surface of the first connection plate 1281, and has a guiding end at the guiding end of the 3D hairpin, so that the 3D hairpin can conveniently cross over the two sides of the fifth protection pad 1282.

Referring to fig. 7, to detect the number of 3D hairpin coils passing through the horizontal guide post 12313, a second sensor 126 is further disposed at the feeding end of the auxiliary guide frame 128, and the second sensor 126 is also disposed between the two linear vibration assemblies 120.

It is to be described in detail herein that the vibration mount 121 may also be used to generate vibrations in the entire mount by using electromagnetic force between the magnet and the coil. The conventional vibration mount 121 is generally configured such that when a current is applied to the coil, an operation of the vibration mount 121 is started using electromagnetic force formed between the coil and the magnet.

Further, in an embodiment of the present invention, the replenishing bin assembly 200 includes a supporting base 210 connected to the base 110, a bin base 220 mounted on the supporting base 210, guide shielding plates 230 connected to both sides of the bin base 220, and a bin rack 240 provided in the bin base 220, wherein:

the bin frame 240 comprises a first support rod 241 and a second support rod 242 vertically arranged in parallel along the length direction of the bin seat 220, a guide rod 243 and a top guide rod 244 connected to the first support rod 241 and the second support rod 242, wherein the guide rod 243 is suitable for receiving the 3D hairpin coil sliding on the horizontal guide post 12313, the top guide rod 244 is horizontally arranged in the bin seat 220 and above the guide rod 243, and is suitable for limiting the 3D hairpin coil from falling over when the 3D hairpin coil straddles on the guide rod 243, and the top guide rod 244 is higher than the horizontal guide post 12313 and above the waist edge of the triangular section of the 3D hairpin coil.

Referring to fig. 4, 5, 8 and 9, in particular to the embodiment of the present invention, each of the repairing bin assemblies 200 includes a supporting seat 210, a bin seat 220, a guiding protection plate 230, a bin frame 240, a robot quick-change tray 250 and a wire bonding mechanism 260, the supporting seat 210 is mounted on the base 110, the bin seat 220 is fixedly mounted on the supporting seat 210, the guiding protection plate 230 is mounted on two sides of the inside of the bin seat 220, the robot quick-change tray 250 is fixed on the middle position of the top of the bin seat 220, and when the required repairing bin assembly 200 needs to be moved, the repairing bin assembly 200 can be quickly shifted by being connected to the robot quick-change tray 250 through a robot arm.

Referring to fig. 8 and 9, in the embodiment of the present invention, the bin seat 220 is composed of a bin bottom plate 221 and a bin side plate 222, and an opening is formed on a side of the bin seat 220 close to the linear vibration assembly 120, so as to facilitate receiving the 3D hairpin coils transferred by the linear vibration assembly 120, and a wire bonding mechanism 260 is mounted on a side of the bin seat 220 away from the linear vibration assembly 120, so that each transferred 3D hairpin coil is driven into a wire cage through the wire bonding mechanism 260, thereby forming a braided wire cage of the flat wire motor. The feed bin bottom plate 221 is placed on supporting seat 210 horizontally, two feed bin curb plates 222 that the structure is the same are parallel relatively and connect perpendicularly on feed bin bottom plate 221, for the weight that lightens feed bin seat 220 and easy to assemble dismantles direction guard plate 230, set up hollow out construction on feed bin curb plate 222, direction guard plate 230 sets up to right angle structure in this embodiment, its one side passes through the frock joint on feed bin curb plate 222, the another side is vertical to be set up in the left and right sides of feed bin frame 240, the horizontal clearance between direction guard plate 230 and the feed bin frame 240 only allows the vertical section level of single 3D hairpin coil to pass through.

Preferably, referring to fig. 9, in this embodiment, the guide protection plate 230 includes a first protection plate 231 and a second protection plate 232, in order to improve the production efficiency and the versatility of the parts, the first protection plate 231 and the second protection plate 232 in this embodiment have the same structure, and the opposite side plates of the first protection plate 231 and the second protection plate 232 are set to be in an asymptotic expansion structure at two end positions, so as to facilitate the introduction or the export of the vertical section of the 3D hairpin coil.

Referring to fig. 8 and 9, in the embodiment of the present invention, the bin rack 240 includes two first support rods 241, a second support rod 242, a guide rod 243 and a top guide rod 244 arranged in parallel along the moving direction of the 3D hairpin coil, the bottoms of the first support rods 241 and the second support rods 242 are fixed on the bin bottom plate 221 through the mounting base, the top is connected with the guide rod 243, the guide rod 243 is partially fixed on the wire-bonding transfer assembly 300, one side of the top guide rod 244 is fixed on the wire-bonding transfer assembly 300, and the top guide rod 243 is horizontally positioned at the upper part of the guide rod 243.

Further, referring to fig. 9, in the embodiment of the invention, the guide rod 243 includes an upper guide rod 2431, a lower guide rod 2432 and an X-shaped frame 2433, one ends of the upper guide rod 2431 and the lower guide rod 2432 far away from the horizontal guide post 12313 are connected to the feeding bin assembly 200, the other ends are horizontally free and staggered with the horizontal guide post 12313 in parallel, and the upper guide rod 2431 is lower than the horizontal guide post 12313.

As a best mode of the embodiment of the invention, the guide rod 243 is composed of a pair of upper guide rods 2431, a pair of lower guide rods 2432 and an X-shaped frame 2433, wherein one end of the pair of upper guide rods 2431 far away from the wire bonding transferring assembly 300 is respectively connected to the outer sides of two upper ends of the X-shaped frame 2433, one end of the pair of lower guide rods 2432 far away from the wire bonding transferring assembly 300 is respectively connected to the outer sides of two lower ends of the X-shaped frame 2433, and the horizontal width of the vertical section of the 3D hairpin coil is slightly larger than the whole width of the guide rod 243, so that the 3D hairpin coil can smoothly span the guide rod 243 and can slide along the front-back direction of the guide rod 243.

In order to further balance the sliding of the 3D hairpin coil, a pair of top guide rods 244 are arranged at two shoulders of the triangular doubling section at the top of the 3D hairpin coil, one end of each top guide rod 244 is inserted into the wire bonding mechanism 260, and the other end of each top guide rod 244 is horizontally arranged along the extending direction of each guide rod 243, so that when the 3D hairpin coil spans the guide rods 243, each top guide rod 244 is positioned above two shoulders of the triangular doubling section in the 3D hairpin coil to limit the 3D hairpin coil from turning over in the sliding process.

In addition, in order to firmly fix the top guide rod 244, both sides of the top guide rod 244 are connected to the inner wall of the bin side plate 222 through reinforcing ribs.

Further, referring to fig. 8, in an embodiment of the present invention, the replenishment cartridge assembly 200 further includes a robot cartridge 250, and the robot cartridge 250 includes a pallet 252 horizontally coupled to the top of the cartridge holder 220 and a chuck 251 coupled to the pallet 252.

Referring to fig. 1 and 2, the robot 400 is provided with a clamping seat 450 and a positioning structure 460 located at one side of the clamping seat 450, when the positioning structure 460 is suitable for being clamped on a positioning block of the chuck 251, the clamping seat 450 is suitable for being clamped on the chuck 251 to connect the feeding bin assembly 200 to the robot 400, and the feeding bin assembly 200 is carried to a wire bonding station as a feeding bin assembly.

Specifically, referring to fig. 8, 9 and 15, in order to move the required repair bin assemblies 200 to the wire cage knitting station of the flat wire motor for automatic wire bonding operation, a robot quick-change tray 250 is disposed on top of each repair bin assembly 200, wherein the robot quick-change tray 250 includes a chuck 251 and a supporting plate 252, the chuck 251 is fixed on the upper surface of the supporting plate 252, and two ends of the supporting plate 252 are clamped between the two bin side plates 222. Thus, when the robot needs to grasp the corresponding required repair bin assembly 200, the butt joint tool at the tail end of the mechanical arm of the robot is clamped on the chuck 251 of the robot quick-change disc 250, so that the robot can form fixed connection with the repair bin assembly 200, and the repair bin assembly 200 is conveyed to the working station of the wire bonding transfer assembly 300 under the action of the robot.

Specifically, referring to fig. 8 and 9, in the embodiment of the present invention, the wire bonding mechanism 260 is used as an actuator at the end of the feeding bin assembly 200, and is used to drive each 3D hairpin sequentially into the wire bonding mechanism 260 into a wire cage of the flat wire motor. In this embodiment, the wire bonding mechanism 260 includes a mold seat 261, a telescopic structure 262 and a wire pressing structure 263, the mold seat 261 is mounted at the end of the feeding bin assembly 200, the telescopic structure 262 is connected between the feeding bin bottom plate 221 and the mold seat 261, one end of the wire pressing structure 263 slides on the telescopic structure 262, and the other end of the wire pressing structure moves from the top of the mold seat 261 to the bottom in a penetrating manner so as to press the 3D hairpin coil entering the mold seat 261 into the wire cage.

Preferably, referring to fig. 10, the mold base 261 includes a first bottom mold 2611, a first upper mold 2612 and a first lower mold 2613, wherein the first lower mold 2613 has an outer contour adapted to the 3D hairpin coil so that the 3D hairpin coil is adapted to straddle the first lower mold 2613.

The first upper mold 2612 is disposed above the first lower mold 2613, and a first gap channel allowing the 3D hairpin coil to pass through is provided between the first upper mold 2612 and the first lower mold 2613; the first upper die 2612, the first lower die 2613 and the first bottom die 2611 are provided with second clearance channels in the vertical direction, the width of each second clearance channel is equal to that of the 3D hairpin coil, and the second clearance channels are communicated with the first clearance channels.

Referring to fig. 10, in this embodiment, two sides of a first bottom die 2611 close to a bin side plate 222 are tightly attached to an inner wall of a bin seat 220, a bottom of the first bottom die 2611 passes through a bin bottom plate 221 and is flush with the bin bottom plate, a vertical through slot is formed in a center of the first bottom die 2611 along a length direction of the bin side plate 222, one side of the first bottom die 2611 close to a first upper die 2612 and a first lower die 2613 has a cross-sectional shape adapted to an outer contour of a 3D hairpin coil, the first upper die 2612 and the first lower die 2613 are tightly attached to the first bottom die 2611 and are arranged in the bin seat 220, the first upper die 2612 is located above the first lower die 2613, a gap between the first upper die 2612 and the first lower die 2613 only allows a triangular section of the 3D hairpin coil to pass through, and a vertical section of the 3D hairpin coil spans two sides of the first lower die 2612 and the two sides of the first lower die 2613 close to the bin seat 220 are connected to the bin side plate 222. Thus, a coil die cavity suitable for the 3D hairpin coil to enter is formed among the first bottom die 2611, the first upper die 2612 and the first lower die 2613, after the 3D hairpin coil is completely in place, a wire pressing structure 263 is further arranged at the top of the coil die cavity, and the wire pressing structure 263 is suitable for moving in a through groove of the first bottom die 2611.

Referring to fig. 10, the telescopic structure 262 includes a telescopic rod 2621, a supporting rod 2622 and a connecting top plate 2623, one end of the telescopic rod 2621 is vertically connected to the bottom plate 221 of the bin seat 220, the other end is connected to the connecting top plate 2623, the supporting rod 2622 is also vertically connected to the connecting top plate 2623, and the other end of the supporting rod 2622 is inserted into and connected to the top of the first bottom die 2611 to firmly connect the telescopic structure 262 to the feeding bin assembly 200.

More specifically, referring to fig. 15, the wire pressing structure 263 includes a guide block 2631, a pressing plate 2632 and a wire bonding arc plate 2633, wherein the two guide blocks 2631 are respectively inserted on corresponding telescopic rods 2621, the two guide blocks 2631 are connected together through a back plate, one side of the back plate is connected with the pressing plate 2632, the other side of the back plate is connected with the wire bonding arc plate 2633, and the wire bonding arc plate 2633 is adapted to move in a gap of the mold seat 261 so as to bond the 3D hairpin coil into a wire cage.

Specifically, referring to fig. 11, 12, 13, and 14, in the embodiment of the present invention, the wire transfer assembly 300 includes a wire base 310, a wire base 320, a sliding platform 330, and a horizontal pushing structure 340, the wire base 310 is used as a supporting platform of the wire transfer assembly 300, and is fixedly installed on the base 110 and is located at one end of the feeding bin assembly 200 away from the linear vibration assembly 120, the wire base 320 is used as a leveling supporting plate and is connected to the upper surface of the wire base 310, the sliding platform 330 is used as a transferring mechanism for driving and moving the horizontal pushing structure 340 to a required position so as to limit the 3D hairpin coil in the feeding bin assembly 200 in the wire process. The horizontal pushing structure 340 is connected to the sliding platform 330, and the horizontal pushing structure 340 is moved to a set position under the driving of the sliding platform 330.

In addition, in order to perform the wire bonding operation on the feeding bin assembly (namely, any two of the repair bin assemblies 200 in the drawing) transferred from the wire bonding station, the repair bin assembly 200 needs to be fixed, and therefore, the wire bonding transfer assembly 300 further comprises a bin clamping mechanism 350, the bin clamping mechanism 350 is arranged at the bottom of the bin seat 220, which is far away from the opening side of the wire bonding mechanism 260, and the bin seat 220 can be fixed through the bin clamping mechanism 350 to prevent wire bonding from running. The specific structure of the bin clamping mechanism 350 is prior art and will not be described in detail herein.

Referring to fig. 11, in the embodiment of the invention, the sliding platform 330 includes a first direction sliding structure 331 and a second direction sliding structure 332, wherein the first direction sliding structure 331 is used for moving the horizontal side pushing structure 340 along a sliding direction (i.e. a left-right direction in the drawing) horizontally perpendicular to the 3D hairpin coil, and the second direction sliding structure 332 is used for moving the horizontal side pushing structure 340 along a sliding direction (i.e. a front-back direction in the drawing) parallel to the 3D hairpin coil, and wherein:

referring to fig. 12, 13 and 14, the first direction sliding structure 331 includes a first driven slide rail 3311, a first driving slide rail 3312 and a first horizontal slide rail 3313, wherein the lower surfaces of the first driven slide rail 3311 and the first driving slide rail 3312 are connected with the wire bonding bottom plate 320, the upper surfaces of the first driven slide rail 3311 and the first driving slide rail 3312 are connected with the bottom surface of the first horizontal slide rail 3313, the first driving slide rail 3312 is composed of a first driving motor 33121 and a main slide rail 33122, the first driving motor 33121 is connected with the main slide rail 33122, and under the driving action of the first driving motor 33121, the main slide rail 33122 can drive the first horizontal slide rail 3313 to move, thereby driving the first driven slide rail 3311 to move.

It should be noted that, the first driven slide rail 3311 is a slide rail and slide block structure, and the slide block can move on the slide rail; the main slide 33122 is also a slide block structure, for example, as shown in fig. 13 and 14, the main slide 33122 includes a main slide 331221 and a main slide 331222, and a part of the main slide 331222 is adapted to be connected to a screw of the first driving motor 33121, and the other part is adapted to move along a slide groove of the main slide 331221.

Referring to fig. 12, 13 and 14, the second direction sliding structure 332 includes a second horizontal sliding table 3321, a second driving sliding rail 3322 and a second driven sliding rail 3323 connected to the lower surface of the second horizontal sliding table 3321, the second driving sliding rail 3322 includes a second driving motor 33221 vertically installed on the first horizontal sliding table 3313, a cylindrical helical gear 33222 connected to the output shaft of the second driving motor 33221, and a bar-shaped tooth block 33223 connected to the lower surface of the second horizontal sliding table 3321, the bar-shaped tooth block 33223 is arranged along the sliding direction of the 3D hairpin coil, and the bar-shaped tooth block 33223 is meshed with the cylindrical helical gear 33222.

The second driven sliding rail 3323 includes a second slide 33231 connected to the first horizontal sliding table 3313 and a second slider 33232 slidably connected to the second slide 33231, and the top of the second slider 33232 is connected to the lower surface of the second horizontal sliding table 3321.

Referring to fig. 12 and 14, the horizontal side pushing structure 340 includes a second supporting frame 341, a cylinder assembly 342 and a push rod 343, the second supporting frame 341 is an i-shaped structural beam, the lower end of the second supporting frame is connected to a second horizontal sliding table 3321, the top end of the second supporting frame is used for supporting the cylinder assembly 342 and the push rod 343, the cylinder assembly 342 is adapted to slide on the upper surface of the second supporting frame 341, the push rod 343 is connected to the upper surface of the cylinder assembly 342, and the push rod 343 is adapted to be pushed into the repair bin assembly 200 in the wire bonding process under the driving of the cylinder assembly 342, so that the batch 3D hairpin coils in the repair bin assembly 200 are pushed into the repair bin assembly 200 to be arranged in parallel and order, so that the wire bonding operation can be performed in order.

Referring to fig. 1 and 2, in the embodiment of the invention, the robot 400 includes a robot base 410, a rotating base 420, a first mechanical arm 430, a second mechanical arm 440, a clamping seat 450 and a positioning structure 460, wherein the robot base 410 is used as a supporting frame structure of the robot 400, the rotating base 420 is mounted on the robot base 410, the first mechanical arm 430 and the second mechanical arm 440 are connected to the top of the rotating base 420, the clamping seat 450 is connected to the end of the second mechanical arm 440, the clamping seat 450 is suitable for being clamped in the chuck 251, and the positioning structure 460 is suitable for aligning the clamping seat 450 in the chuck 251 so that the clamping seat 450 can be automatically clamped in the chuck 251.

Referring to fig. 1, 2 and 16, in the embodiment of the invention, the wire bonding driving structure 500 includes a vertical force applying mechanism 510 and a horizontal moving mechanism 520, wherein the vertical force applying mechanism 510 is fixedly connected to the horizontal moving mechanism 520, and can move along a direction perpendicular to the feeding bin assembly 200 under the driving of the horizontal moving mechanism 520. In this embodiment, the horizontal moving mechanism 520 includes a second connecting plate 521, a first wire-bonding slide rail seat 522 fixedly connected to the second connecting plate 521, a first wire-bonding slider 523 slidably connected to the first wire-bonding slide rail seat 522, and a horizontal carrier beam 524 connected to the first wire-bonding slider 523 through the connecting plate, wherein the first wire-bonding slider 523 is adapted to slide along the first wire-bonding slide rail seat 522 under the driving action of an air cylinder, and the first wire-bonding slider 523 drives the horizontal carrier beam 524 to move, thereby driving the vertical force application mechanism 510 to move to the wire-bonding transfer assembly 300.

Referring to fig. 16, the vertical force applying mechanism 510 includes a vertical frame 511, a wire driving motor 512, a second wire sliding rail seat 513, a second wire sliding block 514, a force applying clamp 515 and a pressure gauge 516, wherein the second wire sliding rail seat 513 is fixedly connected to one side of the vertical frame 511 through a connecting plate, the second wire sliding block 514 is adapted to slide along the second wire sliding rail seat 513 under the driving action of the wire driving motor 512, the force applying clamp 515 and the pressure gauge 516 are connected to the second wire sliding block 514, and one side of the pressure gauge 516 is connected to the force applying clamp 515 for detecting the force applied by the force applying clamp 515 to the wire sliding mechanism 260.

Specifically, in the embodiment of the present invention, the 3D hairpin has eight wire types with different sizes, and eight replenishment bin assemblies 200 are provided, and each replenishment bin assembly 200 is suspended with one wire type of the 3D hairpin.

Therefore, for different types of hairpin coils, the process of conveying the hairpin coils to the wire bonding station adopts a fully-automatic operation mode, automatic feeding and feeding of the hairpin coils are realized, labor cost is saved, and production efficiency is improved.

Although the present disclosure is disclosed above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.

Claims

1. An automatic coil wire bonding device for a flat wire motor, comprising:

the feeding bin assembly is any two of the feeding bin assemblies (200), and comprises a supporting seat (210), a bin seat (220) arranged on the supporting seat (210), guide protection plates (230) connected to two sides of the bin seat (220), a bin frame (240) arranged in the bin seat (220) and a wire bonding mechanism (260) connected to one side of the interior of the bin seat (220);

The wire bonding mechanism (260) comprises a die seat (261) connected to the inner wall of one side of the stock bin seat (220), a telescopic structure (262) and a wire pressing structure (263), one part of the telescopic structure (262) is connected to the bottom of the die seat (261), and the other part of the telescopic structure is connected to the top of the die seat (261);

the wire bonding driving structure (500) is arranged on one side of the wire bonding mechanism (260), and the wire bonding driving structure (500) is suitable for driving the wire bonding structure (263) to slide up and down on the telescopic structure (262) so as to drive one end of the wire bonding structure (263) to move in a clearance groove of the die seat (261); and

a wire bonding transfer unit (300) provided on the other side of the wire bonding mechanism (260);

when the wire bonding transfer assembly (300) pushes the 3D hairpin coil in the stock bin seat (220) to enter the die cavity of the die seat (261), the wire pressing structure (263) is suitable for downwards moving from the clearance groove of the die seat (261) under the action of the wire bonding driving structure (500) so as to drive the 3D hairpin coil in the die cavity of the die seat (261) into the knitting wire cage of the flat wire motor.

2. The automatic wire bonding apparatus for a coil of a flat wire motor according to claim 1, wherein the mold base (261) comprises a first bottom mold (2611), a first upper mold (2612) and a first lower mold (2613) connected to one end of an inner wall of the stock bin base (220),

the first lower die (2613) has an outer contour adapted to the 3D hairpin coil so that the 3D hairpin coil is adapted to ride on the first lower die (2613);

the first upper die (2612) is arranged above the first lower die (2613), and a first clearance channel allowing the 3D hairpin coil to pass through is arranged between the first upper die (2612) and the first lower die (2613);

the first upper die (2612) and the first lower die (2613) are provided with a second clearance channel in the vertical direction between the first bottom die (2611), the width of the second clearance channel is equal to that of the 3D hairpin coil, and the second clearance channel is communicated with the first clearance channel.

3. The automatic wire bonding apparatus for a flat wire motor coil according to claim 2, wherein the telescopic structure (262) comprises a connecting top plate (2623) and a telescopic rod (2621) and a supporting rod (2622) both having one end connected to the connecting top plate (2623), one end of the telescopic rod (2621) away from the connecting top plate (2623) is connected to the bottom of the stock bin (220), and one end of the supporting rod (2622) away from the connecting top plate (2623) is adapted to be connected to the top of the first bottom die (2611).

4. The automatic wire bonding apparatus for a flat wire motor coil according to claim 3, wherein the wire pressing structure (263) comprises a guide block (2631) sleeved on the telescopic rod (2621), and a pressing plate (2632) and a wire bonding arc plate (2633) connected between the telescopic rod (2621) and the supporting rod (2622), wherein the wire bonding arc plate (2633) has an outer contour matched with the second clearance channel, so that the wire bonding arc plate (2633) is suitable for moving up and down in the second clearance channel.

5. The automatic coil wire bonding apparatus for a flat wire motor according to claim 3, wherein the magazine frame (240) includes a first support bar (241) and a second support bar (242) vertically arranged in parallel in a longitudinal direction of the magazine base (220), a guide bar (243) and a top guide bar (244) connected to the first support bar (241) and the second support bar (242);

a linear vibration assembly (120) is arranged on one side, far away from the wire bonding mechanism (260), of the stock bin frame (240), and the linear vibration assembly (120) comprises a horizontal guide column (12313) which is suitable for being supported on the 3D hairpin coil;

The guide rod (243) is suitable for bearing the 3D hairpin coil slipped on the horizontal guide column (12313), the top guide rod (244) is horizontally arranged in the bin seat (220) and positioned above the guide rod (243), and is suitable for limiting the 3D hairpin coil from falling when the 3D hairpin coil straddles the guide rod (243), and the height of the top guide rod (244) is higher than that of the horizontal guide column (12313) and positioned above the waist edge of the triangular section of the 3D hairpin coil.

6. The automatic coil wire bonding device for a flat wire motor according to claim 5, wherein the guide rod (243) comprises an upper guide rod (2431), a lower guide rod (2432) and an X-shaped frame (2433), one ends of the upper guide rod (2431) and the lower guide rod (2432), which are far away from the horizontal guide column (12313), are connected to the feed bin assembly (200), the other ends of the upper guide rod (2431) and the lower guide rod are in a horizontal free state and are staggered with the horizontal guide column (12313) in parallel, and the upper guide rod (2431) is lower than the horizontal guide column (12313).

7. The automatic wire bonding apparatus for flat wire motor coils according to claim 5, wherein the wire bonding transfer assembly (300) comprises a wire bonding base (310), a wire bonding bottom plate (320), a sliding platform (330) and a horizontal side pushing structure (340), the wire bonding bottom plate (320) is connected to the upper surface of the wire bonding base (310), the horizontal side pushing structure (340) is connected to the sliding platform (330), and the sliding platform (330) is suitable for driving the horizontal side pushing structure (340) to move into the feeding bin assembly so as to feed the 3D hairpin coil in the bin seat (220) into the die cavity of the die seat (261).

8. The automatic wire bonding apparatus for a coil of a flat wire motor according to claim 7, wherein the sliding platform (330) includes a first direction sliding structure (331) and a second direction sliding structure (332),

the first direction sliding structure (331) comprises a first driven sliding rail (3311) connected to the routing bottom plate (320), a first driving sliding rail (3312) and a first horizontal sliding table (3313), wherein the upper surfaces of the first driven sliding rail (3311) and the first driving sliding rail (3312) are connected with the bottom surface of the first horizontal sliding table (3313), the first driving sliding rail (3312) comprises a first driving motor (33121) and a main sliding rail (33122) connected to an output shaft of the first driving motor (33121), and the main sliding rail (33122) is suitable for driving the first horizontal sliding table (3313) to move under the driving action of the first driving motor (33121) so as to drive the first driven sliding rail (3311) to synchronously move;

the second direction sliding structure (332) comprises a second horizontal sliding table (3321), and a second driving sliding rail (3322) and a second driven sliding rail (3323) which are connected to the lower surface of the second horizontal sliding table (3321);

The second driving sliding rail (3322) comprises a second driving motor (33221) vertically installed on the first horizontal sliding table (3313), a cylindrical bevel gear (33222) connected to an output shaft of the second driving motor (33221) and a strip-shaped tooth block (33223) connected to the lower surface of the second horizontal sliding table (3321), the strip-shaped tooth block (33223) is arranged along the sliding direction of the 3D hairpin coil, and the strip-shaped tooth block (33223) is meshed with the cylindrical bevel gear (33222);

the second driven sliding rail (3323) comprises a second sliding seat (33231) connected to the first horizontal sliding table (3313) and a second sliding block (33232) connected to the second sliding seat (33231) in a sliding mode, and the top of the second sliding block (33232) is connected to the lower surface of the second horizontal sliding table (3321).

9. The automatic coil wire bonding device for a flat wire motor according to claim 8, wherein the horizontal side pushing structure (340) comprises a second supporting frame (341), a cylinder assembly (342) and a push rod (343), the lower end of the second supporting frame (341) is connected to the second horizontal sliding table (3321), the upper end of the second supporting frame is used for supporting the cylinder assembly (342) and the push rod (343), the push rod (343) is connected to the cylinder assembly (342), and the push rod (343) is suitable for pushing the 3D hairpin coil on the bin frame (240) into a die cavity of the die seat (261) under the driving of the cylinder assembly (342).

10. The automatic wire bonding apparatus for a coil of a flat wire motor according to any one of claims 1 to 9, wherein the wire bonding driving structure (500) includes a vertical force applying mechanism (510) and a horizontal moving mechanism (520) fixedly connected to the vertical force applying mechanism (510), wherein:

the horizontal moving mechanism (520) comprises a second connecting plate (521), a first wire-bonding slide rail seat (522) fixedly connected to the second connecting plate (521), a first wire-bonding slide block (523) slidingly connected to the first wire-bonding slide rail seat (522) and a horizontal bearing beam (524) connected to the first wire-bonding slide block (523) through the connecting plate, wherein the first wire-bonding slide block (523) is suitable for sliding along the first wire-bonding slide rail seat (522) so as to drive the horizontal bearing beam (524) to horizontally move;

the vertical force application mechanism (510) comprises a vertical frame (511), a wire-bonding driving motor (512), a second wire-bonding slide rail seat (513), a second wire-bonding slide block (514), a force application clamp (515) and a pressure gauge (516), wherein the second wire-bonding slide rail seat (513) is fixedly connected to one side of the vertical frame (511), the second wire-bonding slide block (514) is suitable for sliding along the second wire-bonding slide rail seat (513) under the driving action of the wire-bonding driving motor (512), the force application clamp (515) and the pressure gauge (516) are connected to the second wire-bonding slide block (514), and one side of the pressure gauge (516) is connected with the force application clamp (515) so as to be used for detecting the force application of the force application clamp (515) on the pressure line structure (263).