CN111613436A - Method and device for winding wire by iron core - Google Patents

Abstract

A method and apparatus for winding wire around a core, the method comprising: providing an intermittent rotation flow path by a conveying device, wherein the conveying device is provided with a plurality of clamps, each clamp performs intermittent rotation displacement, and a work station is arranged outside each clamp; the fixture can be used for clamping the iron core; under the intermittent rotation stroke of a single circumference of the clamp, feeding two iron cores into the intermittent rotation flow path, and discharging and collecting the iron cores fed with materials from different workstations after the iron cores are wound with wires; therefore, the output is increased, a tin dipping process is not required to be added in a machine, and the method is suitable for small quantity of various high-efficiency production requirements.

Description

Method and device for winding wire by iron core

[ technical field ] A method for producing a semiconductor device

The present invention relates to a method and an apparatus for winding wire, and more particularly, to a method and an apparatus for winding wire around an iron core, in which a conveying apparatus providing a conveying flow path that intermittently rotates is used in cooperation with a plurality of stations to perform iron core winding.

[ background of the invention ]

Conventionally, a conventional Inductor (Inductor) is a passive device, and a winding core (also called a coil) is wound around a core portion between two flange portions of an i-shaped core during a manufacturing process, wherein a conventional coil is generally manufactured by two processes, one is a winding process and the other is a wetting process; in the winding process, a vibration feeder is generally adopted to vibrate and feed materials on a winding device, an iron core is sent to a clamp one by one, the clamp clamps a flange at one end, then one end of a wire is led by a winding needle to be wound on one side of the flange at one end of a winding core part, which is not clamped by the clamp, and spot welding is carried out firstly to fix the wire end at one end of the wire, then the winding needle leads the wire to be wound on the winding core part between two flange parts for a certain number of turns, the wire end at the other end is welded on the other side of the flange by spot welding, and after the tail end of the cut wire is separated from the winding needle, the coil winding process is completed and the coil finished product; then the operator pours the collected coil which finishes the winding into the vibration feeder of another tin dipping device to carry out the tin dipping process, so that the coil is sequentially transferred to a tin bath to be dipped with tin liquid at two spot welding parts at the flange of the coil through vibration feeding, and the coil is discharged and collected after the tin dipping is finished to finish the manufacturing of the whole coil; in the winding process, the patent of I529760, "coil, coil manufacturing method and apparatus" adopts a fixture seat on which a plurality of fixtures are linearly arranged in sequence and a wire seat is matched, so that after a plurality of coils are wound with wires, two wire ends of each coil can be simultaneously bent onto the same flange surface, and the coils are directly sent to a tin-wetting process without welding the plurality of wire ends to perform tin-wetting of the two wire ends, thereby achieving the coil winding and tin-wetting process in an automatic manner.

[ summary of the invention ]

In the prior art I529760, although the process of winding the iron core around the wire is to improve the production efficiency, the coil is directly fed to a tin-wetting process without soldering the plurality of terminals to perform tin-wetting of two terminals, so that the two terminals are fixedly connected to the surface of the flange; however, some manufacturers have demanded coil quality, and expect that the coil is soldered to complete the connection of two terminals to the flange surface, and the I529760 case adopts a plurality of jigs arranged in a straight line on a jig base in sequence to complete the winding of a plurality of coils at the same time, so that the winding of a plurality of coils can be completed at the same time, but a group of coil finished products can be completed only by adding a tin-dipping process, and the yield of the simultaneous operation of a plurality of coils is not easy to be controlled, the overall benefit is not necessarily good, and in practice, the manufacturers still have a small amount of various production requirements, so that the single individual coil winding of the soldering terminal is executed in a simple and efficient manner, which is still the direction of research and development of the present invention.

Accordingly, it is an object of the present invention to provide a method of winding a wire around a core of a single individual coil using a solder terminal.

It is another object of the present invention to provide an apparatus for winding wire using a core of a single individual coil of solder terminals.

It is still another object of the present invention to provide an apparatus for performing the method of winding the wire material with the iron core.

A method of winding a wire around a core according to an object of the present invention includes: providing an intermittent rotation flow path by a conveying device, wherein the conveying device is provided with a plurality of clamps, each clamp performs intermittent rotation displacement, and a work station is arranged outside each clamp; the fixture can be used for clamping the iron core; and under the intermittent rotation stroke of a single circumference of the clamp, two iron core feeding materials are carried out to the intermittent rotation flow path, and each iron core fed with the materials is discharged and collected by different workstations after the wire materials are wound.

Another object of the present invention is to provide an apparatus for winding a wire around a core, comprising: the same machine table board is provided with: the conveying device is provided with a disc body, a plurality of clamps are arranged on the periphery of the disc body, each clamp performs intermittent rotary displacement, and a work station is arranged around each clamp which performs intermittent rotation; the fixture can be used for clamping an iron core; the workstation is provided with a first feeding station, a first winding station, a first collecting station, a second feeding station, a second winding station and a second collecting station under the intermittent rotation stroke of the single circumference of each clamp.

An apparatus for winding a wire around a core according to still another object of the present invention includes: an apparatus for performing the method of winding a wire material with the iron core.

In the method and the device for winding the iron core wire rod of the embodiment of the invention, under the intermittent rotation stroke of a single circumference of the clamp, a plurality of working stations comprising a first feeding station, a first winding station, a first collecting station, a second feeding station, a second winding station, a second collecting station and the like are adopted to carry out feeding of two iron cores into the intermittent rotation flow path, and the iron cores of each fed material are discharged and collected by different working stations after the wire rod is wound, so that the output of individual coil winding can be increased under the intermittent rotation stroke of the single circumference, a tin dipping process does not need to be added in a machine table, and the method and the device are suitable for small quantity and diversified production requirements with high efficiency.

[ description of the drawings ]

Fig. 1 is a perspective view of the core in the embodiment of the present invention.

Fig. 2 is a perspective view of the core-wound wire in the embodiment of the present invention.

FIG. 3 is a schematic diagram of each workstation on the machine according to an embodiment of the present invention.

Fig. 4 is a schematic view of the arrangement relationship between the clamp and the wire hanging seat in the embodiment of the invention.

Fig. 5 is a perspective view of the jig in the embodiment of the present invention.

FIG. 6 is a schematic view of the first feeding station in an embodiment of the present invention.

Fig. 7 is a schematic view of the first calibration station in an embodiment of the present invention.

FIG. 8 is a schematic view of the first winding station in an embodiment of the present invention.

Fig. 9 is a schematic view of the wire pulling and trimming mechanism in the first winding station in accordance with an embodiment of the present invention.

Fig. 10 is a schematic view of the first thread turning station in an embodiment of the present invention.

Fig. 11 is the wire-turning prompting intention of the first wire-turning station in the embodiment of the invention.

Fig. 12 is a schematic view of the first tangent station in an embodiment of the invention.

Fig. 13 is a schematic view of the first welding station in an embodiment of the present invention.

[ detailed description ] embodiments

Referring to fig. 1, the core a of the embodiment of the present invention is illustrated as an example, the core a is provided with a first flange portion a1 and a second flange portion a2, the first flange portion a1 and the second flange portion a2 are 2D plane plates of X, Z, respectively, and a winding core portion A3 in the Y-axis direction is disposed at a distance therebetween; the second flange portion a2 is provided with a first welding line groove a21 and a second welding line groove a22 which are formed in a long groove shape and form a Z-axis arc concave on the surface of the other side opposite to the winding core portion A3 at intervals; the surfaces of the first bonding wire groove A21 and the second bonding wire groove A22 are respectively adhered with a first bonding layer A23 and a second bonding layer A24 which are respectively formed by solidified tin liquid.

Referring to fig. 2, an iron core a according to an embodiment of the present invention winds a wire L around a core A3 in a Y-axis direction, a first end L1 of the wire L and a second end L2 of the wire L wound around the core A3 are respectively hung from the core A3 and pass through the second flange a2, and are folded and attached to the outer surface of the second flange a2 in a Z-axis direction at a position of about half the length of the wire bonding groove a21 in the first wire bonding groove a21 and the second wire bonding groove a22, and the first end L1 and the second end L2 are respectively soldered to the first solder bonding layer a23 and the second solder bonding layer a24 having tin liquid in the first solder bonding groove a21 and the second solder bonding groove a22, so as to form a coil.

Referring to fig. 2 and 3, a device for winding a wire around an iron core according to an embodiment of the present invention is shown, in which a carrying device C is disposed on a table B1 of a machine B, the carrying device C has a circular tray C1, a plurality of jigs D are extended in a radial state around the periphery of the tray C1 at equal angular intervals, each of the jigs D is capable of moving intermittently in a rotating manner in conjunction with the tray C1, and a work station E is disposed around each of the jigs D which are intermittently rotated;

the workstation E is arranged on the table B1 of the machine B and comprises a plurality of workstations which are used for executing different processes and respectively correspond to one fixture D, and when each fixture D which intermittently rotates and displaces, the interval of each intermittent rotation is the interval stroke between two workstations;

the working station E is provided with a first working procedure E1 for executing the first procedure of winding the wire rod L by the iron core A and a second working procedure E2 for executing the second procedure of winding the wire rod L by the iron core A under the condition that the disc body C1 is linked with each clamp D to do intermittent rotation in a single circle anticlockwise; the flow path direction for workpiece processing scheduling is performed by using the tray C1 to link each fixture D to rotate counterclockwise intermittently, and the station E comprises: a first process step E1 and a second process step E2, wherein the first process step E1 includes a first feeding station E11, a first correcting station E12, a first winding station E13, a first wire-turning station E14, a first wire-cutting station E15, a first welding station E16, a first collecting station E17, and a first empty station E18 disposed between the first winding station E13 and the first wire-turning station E14; the second process E2 includes a second feeding station E21, a second correcting station E22, a second winding station E23, a second wire-turning station E24, a second wire-cutting station E25, a second welding station E26, a second collecting station E27, and a second empty station E28 disposed between the second winding station E23 and the second wire-turning station E24; referring to fig. 2 and 3, the first process E1 and the second process E2 respectively perform the same winding process for the wire rod L of the core a, so that two identical coil products can be completed by one intermittent rotation of the tray C1, and therefore, the same station E corresponding to the first process E1 and the second process E2 has the same mechanism and the same operation, or the mechanism and the operation specification of each station E can be slightly modified to perform coil production with similar specifications.

Referring to fig. 4, a wire hanging seat F is disposed between each two clamps D, and each wire hanging seat F is respectively disposed with two wire hanging portions F1 spaced apart from each other, wherein for the sake of the following description of the wire winding process, when looking right at the clamp D, on the wire hanging seat F on the right side of the clamp D, one of the two wire hanging portions F1 far away from the clamp D is a first wire hanging portion F11, and the other one near the clamp D is a second wire hanging portion F12; in the wire hanging seat F on the left side of the clamp D, one of the two wire hanging parts F1 close to the clamp D is a third wire hanging part F13, and the other one far from the clamp D is a fourth wire hanging part F14.

Referring to fig. 2 and 5, the front end of the fixture D is provided with four clamping jaws D1, a supporting shaft D2 is disposed between the clamping jaws D1 and located in the central axis of the fixture D, and a clamping space D3 for accommodating the first flange portion a1 of the iron core a is formed between the front end surface D21 of the supporting shaft D2 and the clamping jaws D1; each clamping jaw D1 is surrounded by a clamping sleeve D4, the clamping sleeve D4 is provided with an annular abutting edge D41 on the outer periphery, the clamping sleeve D4 is acted by an elastic piece D5 formed by a spring to maintain a driving force pushing towards the front end of the clamp D, each clamping jaw D1 with a conical surface on the outer periphery of the front end of the clamp D is clamped against an iron core a accommodated in the clamping space D3, and when the iron core a is clamped in the clamping space D3, the first flange portion a1 abuts against the front end face D21 of the abutting shaft D2.

Referring to fig. 3 and 6, in the embodiment of the present invention, the same workstation corresponding to the first process E1 and the second process E2 has the same mechanism and the same operation, and the workstation in the first process E1 is described below, and the same principle of the second process E2 can be inferred, which is not repeated herein; wherein, the first feeding station E11 is provided with an extracting mechanism E111, the extracting mechanism E111 extracts the iron core a conveyed in a row by a material channel E31 of a vibration feeder E3 by an extracting member E1111 capable of being linked to rotate and Y-axis moving forward and backward, and the second flange a2 provided with negative pressure to adsorb the iron core a is provided with the surfaces of the first welding line groove a21 and the second welding line groove a22, the extracting member E1111 is changed from Z-axis to Y-axis to face the front end of the clamp D by the first flange a1, and the first flange a1 of the iron core a is accommodated in the embedding space D3 and clamped by the clamping jaws D1, when each clamping jaw D1 clamps, the iron core a is provided with the second flange a2 surface of the first welding line groove a21 and the second welding line groove a22 facing outward, and the first welding line groove a21 and the second welding line groove a22 are horizontal.

Referring to fig. 5 and 7, a U-shaped pushing member E121 is disposed in the first calibration station E12, the pushing member E121 can be driven to move forward and backward along the Y-axis, and is provided with two pushing rods E1211 disposed in the Y-axis direction and parallel to each other at intervals, a pushing portion E1212 is disposed at each front end of each pushing rod E1211, a rod-shaped pushing member E122 is disposed between the two pushing rods E1211, a pushing portion E1221 is disposed at the front end of the pushing member E122, and the pushing portion E1221 is acted by an elastic member E1222 formed by a spring to maintain a forward pushing driving force; when the pushing-abutting element E121 is driven to move forward in the Y-axis direction, the pushing-abutting portion E1212 at the front end of the pushing rod E1211 first contacts with the annular abutting edge D41 on the outer periphery of the collet D4 on the fixture D, so that the collet D4 is interlocked to compress the elastic element D5, the collet D4 moves backward, and the clamping jaws D1 gradually disengage from the collet D4 to expand, so that the iron core a accommodated in the clamping space D3 is released, and then the iron core a abuts against the front end face D21 of the abutting shaft D2 of the fixture D by the first flange portion a1 with the abutting portion E1221 at the front end of the pushing-abutting element E122 subsequently contacting the surface of the second flange a2 of the iron core a, where the first and second wire grooves a21 and a22 are provided, so as to obtain the correct positioning.

Referring to fig. 5 and 8, the first winding station E13 is provided with a winding needle E131, the winding needle E131 is tubular, the wire L is inserted through the winding needle E131, and the winding needle E131 is disposed at a position deviating from the rotation center of an end of a winding needle base E132 that can be driven to rotate and move forward and backward along the Y-axis, so that the winding needle E131 can be driven by the winding needle base E132 to rotate around the periphery of the iron core a held by the fixture D in a planetary manner.

Referring to fig. 9, in the first winding station E13, when the tray C1 indirectly links each of the clamps D to rotate counterclockwise, the wire L in the winding needle E131 is pulled through the first hanging part F11 and the second hanging part F12 on the hanging seat F on the right side of the clamp D to stop when the winding needle E131 corresponds to the clamp D, and the wire L is clamped and positioned by the first hanging part F11 and the second hanging part F12 to prepare for winding by the winding needle E131, and at this time, a trimming mechanism E133 in the first winding station E13 is between the first hanging part F11 and the second hanging part F12 on the hanging seat F on the right side of the clamp D; before the winding needle E131 finishes winding and the tray C1 is ready to indirectly link the clamps D to rotate counterclockwise, the thread cutting mechanism E133 cuts the thread L between the first thread hanging part F11 and the second thread hanging part F12 on the thread hanging seat F on the right side of the clamps D.

Referring to fig. 10 and 11, the first wire-turning station E14 is provided with a first clamp E141 and a second clamp E142 which can be driven to move X, Y, Z axially forward, backward, left, right, up and down, when the disk C1 indirectly links each of the clamps D to rotate counterclockwise until the clamp D corresponds to the first wire-turning station E14 following the above-mentioned process, the wire ends L1 and L2 of the iron core a which has completed winding are respectively hung on the second wire-hanging part F12 on the right side of the clamp D and the third wire-hanging part F13 on the left side of the clamp D; in the first wire-turning station E14, the first clamp E141 and the second clamp E142 are respectively moved forward from the original double-parallel state to the wire ends L1 and L2 of the core a from both sides to clamp, and the wire ends L1 and L2 are upwardly clamped from the X axis to the Z axis, and then the wire ends L1 and L2 are clamped down and forward from the Z axis to the Y axis and abut against the upper ends of the first wire groove a21 and the second wire groove a22 of the second flange a2 respectively, and at the same time, the wire ends L1 and L2 are pulled down to the front of the first wire groove a21 and the second wire groove a22 of the second flange a2 and are positioned obliquely, so that the wire ends L73742 and L2 are respectively kept at the first wire spacing distance between the clamping portion of the first clamp E141 and the second clamp E142 and the first wire groove a surface 2 a 5848 a and the first wire groove a 4624 a25 a of the second flange a.

Referring to fig. 12, the first wire cutting station E15 is provided with a cutting blade E151 capable of being driven to move up and down relatively, and a cutter holder E152 located below the cutting blade E151, the lower end of the cutting blade E151 is provided with a first blade E1511 and a second blade E1512 corresponding to the wire ends L1 and L2 in front of the first wire groove a21 and the second wire groove a22, respectively, and the first blade E1511 and the second blade E1512 are respectively an inverted V-shaped blade recessed from bottom to top; the tool holder E152 is long in the X-axis direction, and a pointed tapered blade part E1521 linearly arranged in the X-axis direction is arranged above the tool holder E152; in the Y-axis direction, the cutter E151 is located between the second flange a2 of the iron core a and the cutter seat E152, an abutting side surface E1522 of the cutter seat E152 facing the cutter E151 is a vertical surface, and a back surface E1523 of the cutter seat E152 opposite to the cutter E151 is an inclined surface; in the first wire cutting station E15, the tapered blade portion E1521 of the tool holder E152 extends upward into the first and second spacings a25 and a26 between the wire ends L1 and L2 and the first and second wire grooves a21 and a22 on the core a, so that the wire ends L1 and L2 are covered on the inclined surface of the back E1523 of the tool holder E152, and the wire ends L1 and L2 are cut off by the cutter E151 downward with the first and second blade edges E1511 and E1512 having inverted V-shaped blades, so that the excess portion of the wire ends L1 and L2 cut off slides off from the inclined surface of the back E1523 of the tool holder E152.

Referring to fig. 13, the first welding station E16 is provided with a welding head E161 capable of being driven to move forward and backward in the Y-axis direction and to move left and right in the X-axis direction, the welding head E161 first spot-welds the terminal L1 in the first welding groove a21 of the core a, and then moves to spot-weld the terminal L2 in the second welding groove a22 of the core a, so as to complete the coil product.

Referring to fig. 3, the first collecting station E17 is provided with a container E171 for collecting the finished coil product completed by the first welding station E16; the first collection station E17 of the first sequence E1 is located before and adjacent to the second feeding station E21 of the second sequence E2 of the counter-clockwise intermittent rotation circuit of the tray C1.

In the method and apparatus for winding iron core wire according to the embodiment of the present invention, under the intermittent rotation stroke of a single circumference of the fixture D, a plurality of work stations E including a first feeding station E11, a first winding station E13, a first collecting station E17, a second feeding station E21, a second winding station E23, a second collecting station E27- - -and the like are provided to perform feeding of two iron cores a into the intermittent rotation flow path, and each fed iron core a is discharged and collected by a different work station E after winding the wire, so that the individual coil winding can increase the output under the intermittent rotation stroke of a single circumference, and no tin dipping process is required to be added in a machine, thereby meeting the demand of small amount and multiple high-efficiency production.

However, the above description is only a preferred embodiment of the present invention, but not intended to limit the scope of the invention

The scope of the invention should be determined by the following claims and their equivalents, which are intended to be covered by the claims.

[ notation ] to show

A iron core a1 first flange part

A2 second flange A21 first wire bonding groove

A22 second wire groove A23 first solder layer

A24 second solder layer A25 first spacing

Core part with A26 second pitch A3

B machine B1 table

C1 tray of C conveying device

D clamp D1 clamping jaw

D2 abutting against the front end face of the shaft D21

D4 clamping sleeve with D3 clamping space

D5 elastic piece of D41 abutting edge

E workstation E1 first sequence

E11 first feeding station E111 extracting mechanism

E1111 suction E12 first calibration station

E121 pushing piece E1211 pushing rod

E1212 pushing part E122 pushing piece

E1221 abutting part E1222 elastic piece

E13 first winding station E131 winding needle

E132 thread trimming mechanism around needle seat E133

E14 first station E141 first clamp

E142 second clamp E15 first tangent station

E151 cutter E1511 first knife edge

E1512 second edge E152 tool holder

E1521 edge part E1522 against side surface

E1523 Back E16 first welding station

E161 weld head E17 first collection station

E171 Container E18 first empty station

E2 second procedure E21 second feeding station

E22 second calibration station E23 second winding station

E24 second station for changing over E25 second station for cutting thread

E26 second welding station E27 second collecting station

E28 second empty station E3 vibration feeder

E31 material channel F hanging wire seat

F11 first hanging part F12 second hanging part

F13 third hanging part F14 fourth hanging part

First end of L-shaped wire L1

L2 second end

Claims (17)

1. A method of iron core winding wire comprising:

providing an intermittent rotation flow path by a conveying device, wherein the conveying device is provided with a plurality of clamps, each clamp performs intermittent rotation displacement, and a work station is arranged outside each clamp; the fixture can be used for clamping the iron core;

and under the intermittent rotation stroke of a single circumference of the clamp, two iron core feeding materials are carried out to the intermittent rotation flow path, and each iron core fed with the materials is discharged and collected by different workstations after the wire materials are wound.

2. The method of claim 1, wherein in the intermittent rotation flow path, a core is abutted against the jig to obtain a correct positioning.

3. The method of claim 1, wherein the intermittent rotary flow path is performed by clamping the wire ends of the wire of the iron core having completed winding up from the X axis to the Z axis, clamping the wire ends down and forward from the Z axis to the Y axis and abutting against the upper end of a flange, respectively, and pulling the wire ends down in front of the flange.

4. The method of claim 3, wherein the end of the wire drawn down in front of the flange is positioned diagonally such that a space is maintained between the end and the second flange surface.

5. The method of claim 4 wherein the step of cutting the end of the wire with a cutter is performed with a blade of a cutter holder extending into the gap.

6. A method of core winding wire as in claim 1 wherein the station performing one core ejection collection is adjacent to another core infeed station.

7. The method of claim 1, wherein the two wire ends of the iron core having completed winding are hung on one hanging wire part positioned at one side of the clamp and the other hanging wire part positioned at the other side of the clamp, respectively.

8. The method of claim 1, wherein the core is fed with a first flange facing the front end of the fixture and clamped, wherein the core has a first and a second flange surface facing outward, and wherein the first and second weld grooves are substantially horizontal.

9. An apparatus for winding a wire around a core, comprising:

the same machine table board is provided with:

the conveying device is provided with a disc body, a plurality of clamps are arranged on the periphery of the disc body, each clamp performs intermittent rotary displacement, and a work station is arranged around each clamp which performs intermittent rotation; the fixture can be used for clamping an iron core;

the workstation is provided with a first feeding station, a first winding station, a first collecting station, a second feeding station, a second winding station and a second collecting station under the intermittent rotation stroke of the single circumference of each clamp.

10. The apparatus of claim 9, wherein a first calibration station is disposed between the first feeding station and the first winding station, the first calibration station having a pushing member and a pushing member.

11. An apparatus for winding wire around a core as recited in claim 9, wherein a first thread reversing station is disposed between said first winding station and said first collection station, said first thread reversing station having a first clamp and a second clamp.

12. The apparatus for winding wire around a core as recited in claim 9, wherein a first wire cutting station is disposed between said first winding station and said first collection station, said first wire cutting station having a cutter and a tool holder disposed below said cutter.

13. The apparatus for winding wire around a core as recited in claim 9, wherein a first empty station is disposed between said first winding station and said first collection station.

14. A core-wound wire apparatus as claimed in claim 9, wherein said core is provided with a first flange portion and a second flange portion, said first flange portion being spaced apart from said second flange portion and provided with a winding core portion; wherein the second flange portion is provided with a first bonding wire groove and a second bonding wire groove.

15. The apparatus for winding a wire around a core according to claim 9, wherein the jig has a plurality of jaws, each jaw having an abutment shaft therebetween, a clamping space being defined between a front end surface of the abutment shaft and each jaw; each clamping jaw is surrounded by a jacket, and the jacket is acted by an elastic element to maintain a driving force to be pushed towards the clamp.

16. An apparatus for winding a wire around a core as defined in claim 15, wherein the jig is provided with a wire holder between each two wire holders, each wire holder being provided with two wire hanging portions spaced apart from each other.

17. An apparatus for winding a wire around a core, comprising: apparatus for performing the method of iron core winding wire material according to any one of claims 1 to 8.

Images