TWI576873B - Iron foil on the copper foil method and device - Google Patents

Description

Method and device for attaching copper foil on iron core

The invention relates to a method and a device for attaching a copper foil, in particular to a method and a device for attaching a copper foil to a core of a predetermined part of the iron core.

According to the general power inductor component, it is often required to wind a wire on a core. The core usually comprises: a first flange at the two ends, a second flange and a core portion located therebetween; and the disclosure of No. 201445597 The "coil, coil manufacturing method and device" patent proposal proposes a prior art technique of winding a wire on a core, wherein when the core of the core is wound around the wire, the wire inlet end and the outlet end are respectively or simultaneously One side of the flange is bent in the same direction and is respectively placed on the two parallel wire grooves on the first flange, and the wire inlet end and the outlet end are respectively fixed to the second by the conductive material such as tin liquid. The parallel wire grooves fix the wire at the wire end and the wire end in the wire groove and form an electrode.

No. M432917 "Power Inductor Structure" patent proposes to adhere a copper foil to the first flange of the iron core, and then the wire inlet end and the outlet end are fixed in the wire groove, and formed on the copper foil by electroplating. Inductive process for nickel and tin.

In the prior art, the method, mechanism or device for achieving the adhesion of the copper foil to the first flange of the iron core is not proposed in the "Power Inductor Structure" patent No. M432917, and the implementation is still to be further developed. implement.

Therefore, the object of the present invention is to provide a method for attaching a copper foil sheet to an iron core positioned on an iron core by an automatic die cutting method.

Another object of the present invention is to provide a copper foil device for attaching a copper foil sheet to an iron core positioned in an automatic punching manner.

It is still another object of the present invention to provide a device for attaching a copper foil to a core using the object of the present invention.

The method for attaching a copper foil to a core according to the object of the present invention comprises: a strip-shaped copper foil pulling step, so that a strip of copper foil wound by a feeding coil in a winding device is in a receiving roll匣 rotating the reel and being pulled to a proper position, so that the portion to be punched is left in the lower die holder; an iron core positioning step, so that the iron core is moved under the clamp to the lower mold base under the clamp Dislocating an upper mold base downwardly, and corresponding to a lower mold base by a die on the upper mold base; a punching and cutting step, the upper mold base is displaced downward to link the punch to the strip in the lower mold base The copper foil is die-cut so that the punched copper foil is flushed and placed on the core.

According to another object of the present invention, a copper foil-on-chip device includes: a punching device, and a fixing seat; the fixing base is provided with an upper mold base and a lower mold base for linearly shifting up and down, and The die holder is provided with a die, the lower die holder is provided with a copper foil inlet and a copper foil outlet; and a winding device comprises a supply coil for providing a strip of copper foil and a roll of copper foil. a receiving coil; the strip of copper foil is conveyed from the feeding coil to the path of the receiving coil, through the copper foil inlet of the lower mold base and the copper foil outlet; a clamp is disposed on the lower mold Under the seat and holding the iron core to be attached with the copper foil; the die on the upper mold base is punched and cut through the copper foil inlet of the lower mold base and the strip-shaped copper foil at the exit of the copper foil to make the strip The die-cut copper foil is placed on the core of the clamp.

An object-attaching copper foil device according to still another object of the present invention, comprising: a device for performing the method of attaching a copper foil to a core according to any one of claims 1 to 6.

The method and device for attaching a copper foil on a core of the embodiment of the present invention provide a concrete feasible embodiment in which a copper foil can be attached to the iron core, and can be executed in an intermittent rotating flow path formed by a turntable via the patch workstation E. The laminating step enables the core through the feeding and gluing steps to automatically complete the entire copper foil processing process by removing, correcting, and baking steps after performing the laminating step; and simultaneously cutting the film in the placement workstation The device, the retracting device, the clamping device, the differential traction device complete the strip copper foil pulling step, the iron core positioning step, the punching and cutting step, and the like, and the copper foil pieces are accurately correspondingly punched and cut into the iron. a wire groove of the first flange of the core; and the strip-shaped copper foil piece is subjected to the first stroke and the second stroke displacement in the punching and patching step by the differential pulling device and the clamping device to make the strip copper foil The film can be fully used without wasting.

Referring to FIG. 1 and FIG. 2, a method and a device for attaching a copper foil to a core according to an embodiment of the present invention are applicable to an iron core A as shown in the drawing, which includes: a first flange A1 and a second flange at both ends A2 and a core portion A3 located therebetween; the first flange A1 is provided with a wire groove A11 spaced apart from each other and parallel to each other, and each of the wire grooves A11 is provided with a copper foil piece which is completely or partially matched with the shape of the wire groove A11. A4; The method and apparatus for attaching a copper foil to a core of the embodiment of the present invention can be used to form a copper foil A4 in the wire groove A11 on the core A.

Referring to FIG. 3, a method for attaching a copper foil to a core according to an embodiment of the present invention includes: providing a turntable B that can be intermittently rotated, the turntable B forming an intermittent rotating flow path and forming a plurality of workstations on the periphery, in the intermittent rotation On the flow path, in accordance with the rotation direction of the turntable B, a feeding step is continuously performed via the loading station C to input and hold the iron core A on the clamp B1 on the turntable B; and then perform a dip through the glue station D. In the glue step, the adhesive is adhered to the second slot A11 of the core A; then a patching step is performed via the patch workstation E, and the two copper foil A4 is attached to the second slot A11 of the core A. Then, a correction step is performed via the calibration workstation F to fix the copper foil A4 in the predetermined slot A11 of the core A; then, a removal step is performed via a removal station G, and the correction is completed. The iron core A to which the copper foil A4 is attached is removed from the intermittent rotating flow path of the turntable B, and sent to a baking station H to perform a baking step to dry and cure the adhesive, and dry the finished product. After the discharge is collected.

Referring to FIG. 4 to FIG. 6 , in the embodiment of the present invention, the patch workstation E is configured to perform a patching process. The patch workstation E includes: a punching device E1 disposed on a fixed seat E2 on one side of the periphery of the turntable B. The fixing base E2 includes a base E21 which is located at the bottom, a stand E22 which is arranged in the Z-axis direction on the base E21, and a seat E23 which is horizontally extended toward the center of the turntable B. The stand E22 of the fixing base E2 is provided with an upper die holder E13 which is vertically and vertically displaced by a first driving member E12 on a side of the Z-axis slide rail E11 toward the center of the turntable B, and The lower mold base E15 can be finely adjusted by the fine adjustment mechanism E14 to be vertically and vertically displaced in the Z-axis; the lower mold base E15 is supported by a support member E16, and the fine adjustment mechanism E14 is disposed on the lower mold. Between the seat E15 and the support member E16, the upper mold base E13 is provided with a connecting bolt E17 between the upper side frame E131 and the lower mold base E15 and the lower side frame E151. The lower side of the connecting bolt E17 and the lower mold base E15 are fixed, and the upper mold base and the upper mold base are fixed. E13 is pivoted and a cap E171 is arranged on the upper end of the upper frame E131, and the interlocking bolt E17 is provided with a compression spring. The elastic member E172 is configured to maintain a driving force of the upper and lower outer sheets between the upper mold base E13 and the lower mold base E15; the lower mold base E15 is provided with a copper foil sheet inlet E152 on one side and one on the other side. Copper foil exit E153; a retracting device E3 comprising a supply roll E31 for providing a strip of copper foil A41 (not shown) and a roll of strip copper foil A41 (not shown) The receiving roll E32; wherein the feeding roll E31 is disposed above the die holder E13 of the punching device E1 on the fixed seat E2, the receiving roll E32 is disposed below the turntable B; in the strip copper foil A sheet A41 (not shown) is conveyed from the supply roll E31 to the take-up roll E32, and a plurality of turning wheels E33 are provided to make the strip-shaped copper foil piece A41 pass through the copper foil piece inlet of the lower die holder E15. E152 and copper foil exit E153; the folding wheel E33 includes first and second turning wheels E331 and E332 located on the outer sides of the lower die holder E15, and one of the first and second turning wheels E331 (in this embodiment a third turning wheel E333 between the first turning wheel E331) and the feeding roll E31, the first turning wheel E331 is located on a side of the copper foil piece inlet E152, the second turning E332 is located on the outer side of the copper foil exit E153; in addition, the feed coil E31 is not driven by the driving force, and the receiving coil E32 is driven by a second driving member E321 to be rotationally displaced; a clamping device E4 located on one side of the copper foil exit E153 and connected to the lower die holder E15; the clamping device E4 is disposed on the strip copper foil A41 (shown in FIG. 9) The first entrainment group E41 and the second entrainment group E42 are arranged in the path of the receiving reel E32 in the path of the receiving reel E32 in the X-axis direction, and each of the entraining groups E41 and E42 includes a clamping seat. E43 and a clamped drive member E44 are driven by a clamp E45 which can be displaced up and down, and a strip-shaped copper foil A41 (not shown) is formed between the clamp E45 and the clamp E43 to be X-axis. The clamping member E46 is clamped and the sensing member E47 is disposed outside the clamping mouth E46 of the second clamping group E422. The rear side of the clamping device E4 is provided with a roller that is interlocked with the first clamping group E41. The linkage member E48 is disposed in the X-axis direction, and the first entrainment group E41 is disposed on an X-axis slide rail E49 (shown in FIG. 10). The X-axis reciprocating displacement between the die holder E1 and the second entrainment group E42; a differential traction device E5, comprising a first one disposed on a side seat E24 of the stand E22 of the fixing seat E2 The traction drive member E51 and a second traction drive member E52 are simultaneously disposed for the second transfer wheel E332; the first traction drive member E51 and the second traction drive member E52 are juxtaposed in the Y direction of the parallel direction. The first traction driving member E51 drives the fixing seat E521 fixed on the second traction driving member E52 to reciprocally displace in the X-axis direction; the second traction driving member E52 drives a linking member E522 to reciprocally displace in the X-axis, the linkage The member E522 is provided with a Z-axis groove E523 for the linked member E416 of the roller connected to the clamping device E4 to be pivoted therein and linked; the first traction driving member E51 can interlock the second traction driving member E52 and then interlock the clamping member The manner of the device E4 drives the first entrainment group E41 of the clamping device E4 to clamp the strip-shaped copper foil sheet A41 to the second entrainment group E42 to perform displacement of a first stroke S1 (shown in FIG. 11); The second traction driving member E52 can drive the clamping material in a manner of interlocking the linking member E522. The first entrainment group E41 of the device E4 clamps the strip-shaped copper foil sheet A41 toward the second entrainment group E42 to perform displacement of a second stroke S2 (shown in FIG. 11).

Referring to FIGS. 5, 7, and 8, the upper die holder E13 is provided with a recess E133 having an open space at the upper end and an opening E132 at one end. A wide slot E134 is formed above the recess E133, and a narrow slot E135 is formed under the recess E133. A die E136 can be placed into the slot E133 by the opening E132 by a T-shaped head E137, and supported by the T-shaped head E137 placed above the narrow slot E135 of the slot E133, and two parallel lines are formed under the die E136. Corresponding and spaced apart punching portions E138; the lower die holders E15 are sequentially stacked from bottom to top including: a base E154 comprising a horizontally disposed stage E1541 and a squat seat vertically disposed on the side of the stage E1541 E1542; wherein the stage E1541 is provided with a hollow operation section E1543 for holding the clamp B1 for holding the core A, and the operation section E1543 is recessed on the upper surface of the stage E1541 on both sides of the X-axis. The gap between the slots is measured by the gap E1544, and the upper surface of the stage E1541 on both sides of the Y-axis is provided with a protruding positioning pin E1545; the socket E1542 is disposed on the sliding rail E11, and the fine adjustment mechanism is provided below the slot E14 fine-tunes and interlocks the entire base E154 for Z-axis up and down linear displacement; A transporting seat E155 is disposed above the base E154, and is provided with a recessed conveying path E1551 for transporting the strip-shaped copper foil piece A41 in the X-axis direction, and the conveying path E1551 is provided with two mutually parallel corresponding and spaced apart The punching hole E1552, the two punching holes E1552 have a rectangular shape and the long side is in the Y-axis direction, and the second punching hole E1552 corresponds to the iron core A in the operation section E1543 of the stage E1541, and is arranged in the X-axis direction before and after; A plurality of positioning holes E1553 corresponding to the positioning pin E1545 on the stage E1541 of the lower base E154 are disposed on both sides of the Y-axis; an upper cover E156 is disposed above the conveying base E155, and the conveying seat is provided with a shape and a position. E156 upper two holes E1552 two guide holes E1561, two guide holes E1561 are rectangular and long sides in the Y-axis direction, and on the two sides of the upper cover E156 corresponding to the conveyor E155 on the transport path E1551 X-axis position, each set There is a hollowing section E1562 which can peek into the lower conveying path E1551; the two guiding holes E1561 are provided with positioning holes E1563 corresponding to the positioning pin E1545 on the stage E1541 of the lower base E154 on both sides of the Y-axis.

In the method for attaching the copper foil on the iron core of the embodiment of the present invention, the method of attaching the two copper foil A4 to the two-wire groove A11 in the patching station E is performed by the following steps: a ribbon copper In the foil pulling step, the strip-shaped copper foil piece A41 wound by the feeding reel E31 in the retracting device E3 is pulled by the second driving member E321 to drive the receiving reel E32, and is pulled by the third turning wheel E333. →The first turning wheel E331→the conveying path E1551 of the conveying seat E155 of the lower die holder E15→the first clamping group E41 of the clamping device E4, the clamping mouth E46 of the second clamping group E42→the second turning wheel E332→to The take-up reel E32 is retracted; when the strip-shaped copper foil A41 is properly positioned, the portion to be die-cut is left in the transport path E1551 of the transport base E155 of the lower die holder E15, and is located The strip-shaped copper foil A41 outside the copper foil exit E153 is clamped and positioned by the first clamping group E41 of the clamping device E4, the clamping seat E43 of the second clamping group E42, and the clamping block E45; In the step, the first driving member E12 of the punching device E1 drives the upper die holder E13 to be displaced upward, and the upper die holder E13 is at the upper end of the upper frame E131. A cap E171 is provided under the cover, and the upper frame E131 is interlocked between the interlocking plug E17 and the lower frame E151 of the lower die holder E15, so that the lower die holder E15 is simultaneously moved up and down synchronously; in the second core of the core A The flange A2 is clamped by the clamp B1, and the core A is intermittently rotated via the turntable B, and the core A is intermittently rotated to the base E154 of the lower die holder E15. Below the operation section E1543, the first driving member E12 of the punching device E1 drives the upper die holder E13 to be displaced downward, and the upper side frame E131 is interlocked with the lower frame E151 of the lower die holder E15 by the interlocking plug E17, so that the lower side The die holder E15 is simultaneously moved down in synchronization, until the core A clamped by the clamp B1 is located in the operation section E1543; the bottom end of the two punching portions E138 below the die E136 of the upper die holder E13 is correspondingly extended into the lower die. The E15 of the upper cover E156 is not lower than the bottom of the guide hole E1561, so the die E136 can be displaced in the slot E133 of the upper die holder E13 with the opening E132, but the die is cut under the die E136. The bottom end of the E138 is held by the two guide holes E1561, and the die E136 is not separated from the slot E133. The die E136 is in the guide hole E1561. The position can be adjusted by the fine adjustment mechanism E14 for fine-tuning the position of the lower mold base E15 on the Z-axis of the slide rail E11; and the measurement clearance E1544 on the stage E1541 of the base E154 can be extended to the thickness gauge The gap between the iron core A and the bottom of the transport base E155 is measured, and the fine adjustment mechanism E14 is used for fine adjustment to control the size of the gap, so that the punched copper foil piece A4 can be properly positioned on the iron core A; The splicing step is such that the first driving member E12 drives the upper die holder E13 to be displaced downward on the sliding rail E11 to interlock the punching portion E138 under the die E136 with the conveying path E1551 of the conveying seat E155 of the lower die holder E15. The strip-shaped copper foil piece A41 positioned under the guide hole E1561 of the upper cover E156 is punched so that the punched copper foil piece A4 is punched by the punching portion E138 of the die E136 against the punched hole E1552 pushed down through the transport seat E155. And the wire groove A11 which is placed on the first flange A1 of the iron core A is pasted and positioned.

Referring to FIGS. 9, 10 and 11, in the die-cutting step of the method of attaching a copper foil to a core according to an embodiment of the present invention, when a punching and pasting step is completed, a second layer is formed on the strip-shaped copper foil A41. After punching the hole A411, in the clamping device E4, the second clamping group E42 releases the strip-shaped copper foil A41, and the first traction driving member E51 in the differential traction device E5 performs a linkage of the second traction driving member. E52 reconnects the clamping device E4, and the first clamping group E41 of the clamping device E4 holds the strip-shaped copper foil sheet A41 and shifts the first stroke S1 toward the second clamping group E42. The first stroke S1 About two-half the distance between the two first punching holes A411, so that the second punching hole A412 formed on the strip-shaped copper foil sheet A41 has one punching hole A412 located at the first punching second Between the punched holes A411; after the second die cutting step is completed to form the second punching holes A412 on the strip copper foil A41, the second clamping group E42 is loose in the clamping device E4 Under the strip-shaped copper foil A41, the second traction drive E52 in the differential traction device E5 performs a linkage of the linkage E522 and then the clamping device E4. In a manner, the first entrainment group E41 of the driving and clamping device E4 clamps the strip-shaped copper foil sheet A41 to the second entrainment group E42 and the second stroke S2 is displaced. The second stroke S2 is about the distance from the first stroke S1. Three times; two second punching holes A413 formed on the strip-shaped copper foil sheet A41 and two first punching holes A411 cut by the first punching are separated by one of the second punching holes A412; The punching process of the first punching hole A411, the second punching hole A412, and the third punching hole A413 forms a sequential cycle, and continues to be performed on the strip-shaped copper foil A41 which is subsequently pulled forward. The first entrainment group E41 of the driving engraving device E4, which is driven by the differential pulling device E5, clamps the first stroke S1 and the second stroke S2 of the strip-shaped copper foil sheet A41 displaced toward the second entraining group E42. The strip-shaped copper foil A41 can be used in a sufficient amount without being wasted.

The method and apparatus for attaching a copper foil to a core of the embodiment of the present invention provide a concrete and feasible embodiment in which a copper foil can be attached to the iron core, and the patch workstation E can be used in an intermittent rotating flow path formed by a turntable B. Performing a patching step, so that the core A through the feeding and gluing steps can automatically complete the entire copper foil processing process by removing, correcting, and baking steps after performing the patching step; and simultaneously in the patch workstation E The punching device E1, the winding device E3, the clamping device E4, the differential pulling device E5 complete the strip copper foil pulling step, the iron core positioning step, the punching and cutting step, and the like, and the copper foil A4 is accurately Corresponding and punching the patch on the wire slot A11 of the first flange A1 of the iron core A; and using the differential pulling device E5 and the clamping device E4 to make the strip copper foil piece A41 in the die cutting step The first stroke S1 and the second stroke S2 are displaced, so that the strip-shaped copper foil piece A41 can be fully used without being wasted.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

A‧‧‧ iron core
A1‧‧‧First flange
A11‧‧‧ wire trough
A2‧‧‧second flange
A3‧‧‧core core
A4‧‧‧copper foil
A41‧‧‧Striped copper foil
A411‧‧‧First punched hole
A412‧‧‧Second punched hole
A413‧‧‧3rd punched hole
B‧‧‧ Turntable
B1‧‧‧ fixture
C‧‧‧ Loading station
D‧‧‧ glue station
E‧‧‧SMD workstation
E1‧‧‧ punching device
E11‧‧‧ Slide rails
E12‧‧‧First drive
E13‧‧‧Upper mold base
E131‧‧‧Upside shelf
E132‧‧‧ openings
E133‧‧‧Inlay
E134‧‧‧ wide bay
E135‧‧‧Narrow slot
E136‧‧‧ die
E137‧‧‧T head
E138‧‧‧Cut section
E14‧‧‧ fine-tuning mechanism
E15‧‧‧ lower mold base
E151‧‧‧ lower side frame
E152‧‧‧ copper foil entry
E153‧‧‧ Copper foil export
E154‧‧‧Base
E1541‧‧‧ stage
E1542‧‧‧帷座
E1543‧‧‧Operation interval
E1544‧‧‧Measurement clearance
E1545‧‧‧Locating pin
E155‧‧‧Transportation
E1551‧‧‧ conveyor seat
E1552‧‧‧Conveyor
E1553‧‧‧Positioning hole
E156‧‧‧Upper cover
E1561‧‧‧ Guide hole
E1562‧‧‧ Short-term interval
E1563‧‧‧Positioning holes
E16‧‧‧Support
E17‧‧‧ linkage
E171‧‧‧ hat head
E172‧‧‧Flexible components
E2‧‧‧ fixed seat
E21‧‧‧Base
E22‧‧‧ seat
E23‧‧‧上架
E3‧‧‧Retracting device
E31‧‧‧Feed Roll
E32‧‧‧Receipt volume
E321‧‧‧second drive
E33‧‧‧ turning wheel
E331‧‧‧First turning wheel
E332‧‧‧Second turning wheel
E333‧‧‧ Third turning wheel
E4‧‧‧Clamping device
E41‧‧‧First clamping group
E42‧‧‧Second material group
E43‧‧‧Clip seat
E44‧‧‧Clamping drive
E45‧‧‧Clamp
E46‧‧‧ jaw
E47‧‧‧Inductive components
E48‧‧‧Connected parts
E49‧‧‧rails
E5‧‧‧Dimensional traction device
E51‧‧‧First traction device
E52‧‧‧Second traction device
E521‧‧‧ Fixed seat
E522‧‧‧ linkage
E523‧‧‧ Groove
F‧‧‧ calibration device
G‧‧‧Removing the workstation
H‧‧· baking workstation
S1‧‧‧First trip
S2‧‧‧Second itinerary

Fig. 1 is a perspective view showing the iron core of the copper foil attached in the embodiment of the present invention. Fig. 2 is a side view showing the iron core of the copper foil attached in the embodiment of the present invention. FIG. 3 is a schematic perspective view showing a process of attaching a copper foil to a core in an intermittent rotating flow path according to an embodiment of the present invention. 4 is a schematic perspective view of the patch workstation in the intermittent rotation flow path in the embodiment of the present invention. FIG. 5 is a perspective view of a patch workstation in an embodiment of the present invention. Figure 6 is a partial perspective view of the clamping device and the differential traction device in the embodiment of the present invention. FIG. 7 is a perspective exploded view of the punching device of the patch workstation in the embodiment of the present invention. Fig. 8 is a perspective exploded view showing the base, the upper cover and the transport base of the punching device in the embodiment of the present invention. Figure 9 is a top plan view showing the strip-shaped copper foil sheet being clamped by the clamping device and the differential pulling device in the embodiment of the present invention. Figure 10 is a side elevational view showing the strip-shaped copper foil sheet being clamped by the clamping device and the differential pulling device in the embodiment of the present invention. Fig. 11 is a schematic view showing the successive punching holes formed on the strip-shaped copper foil sheet in the embodiment of the present invention.

B‧‧‧ Turntable

E‧‧‧SMD workstation

E131‧‧‧Upside shelf

E151‧‧‧ lower side frame

E152‧‧‧ copper foil entry

E17‧‧‧ linkage

E171‧‧‧ hat head

E172‧‧‧Flexible components

E2‧‧‧ fixed seat

E21‧‧‧Base

E22‧‧‧ seat

E23‧‧‧上架

E3‧‧‧Retracting device

E32‧‧‧Receipt volume

E321‧‧‧second drive

E33‧‧‧ turning wheel

Claims (12)

A method for attaching a copper foil to a core, comprising: a strip-shaped copper foil pulling step, so that a strip of copper foil wound by a feeding coil in a winding device is rotated and retracted in a receiving coil When the lower is pulled to a proper positioning, the portion to be die-cut is left in the lower die holder; an iron core positioning step moves the iron core under the clamp to the lower mold base to make an upper mold The seat is displaced downward, and a die on the upper mold base corresponds to the lower mold base; a punching and cutting step, the upper mold base is displaced downward to connect the die to the strip-shaped copper foil in the lower mold base The punching is performed so that the punched copper foil is washed and dropped on the iron core. The method of attaching a copper foil to a core according to the first aspect of the invention, wherein, in the step of pulling the strip-shaped copper foil, when the strip-shaped copper foil wound by the feeding coil in the retracting device is pulled After winding through a plurality of turning wheels, the take-up roll is taken up. The method of attaching a copper foil to a core according to claim 1, wherein the upper die holder can be driven to move the lower die holder up and down. The method for attaching a copper foil to a core according to claim 1, wherein in the core positioning step, the iron core is intermittently rotated by a turntable to move under the lower die holder, and the turntable is formed at a plurality of circumferences. The workstation continues in the order of the rotation direction of the turntable: a feeding step, inputting and clamping the iron core to the jig on the turntable; a dipping step, attaching the adhesive to the iron core; a patching step, a copper foil attached to the iron core; a correcting step to fix the copper foil to the predetermined positioning of the iron core; and a removal step of removing the iron core that has been corrected and attached with the copper foil In a baking step, the adhesive is baked and dried, and discharged after the finished product is dried. The method of attaching a copper foil to a core according to claim 1, wherein in the punching and pasting step, when the punching step is completed, two first punching holes are formed on the strip-shaped copper foil. Thereafter, performing a clamping of the strip-shaped copper foil sheet for a first stroke, the first stroke being about one-half of the distance between the two first punching holes, so that the second die-cutting formed on the strip-shaped copper foil sheet The hole has one of the punched holes located between the first punched holes of the first die cut. The method for attaching a copper foil to a core according to claim 5, wherein in the step of punching the patch, when the second die-cutting step is completed, two second punches are formed on the strip-shaped copper foil. After the hole is cut, a clamping strip-shaped copper foil piece is displaced by a second stroke, the second stroke is about three times the first stroke distance; and the second third punching hole formed on the strip-shaped copper foil sheet is The first punched hole of the first punching is separated by one of the two second punching holes. A copper foil-attaching device for a core comprises: a punching device, a fixing seat, an upper mold base and a lower mold base for linear displacement of the upper and lower portions, and a die on the upper mold base The lower mold base is provided with a copper foil inlet and a copper foil outlet; a winding device comprises a supply roll for providing a strip of copper foil and a take-up roll for a roll of copper foil; The strip-shaped copper foil is conveyed from the supply roll to the path of the take-up roll through the copper foil inlet and the copper foil exit of the lower die holder; a clamp is disposed under the lower die holder and held a copper foil-attached iron core; the die on the upper mold base is punched and cut through the copper foil sheet inlet of the lower mold base and the strip-shaped copper foil sheet at the copper foil sheet outlet to make the punched copper foil sheet Drop on the core of the clamp. The device for attaching a copper foil on a core according to the seventh aspect of the invention, wherein a side of the outer side of the copper foil is provided with a clamping device connected to the lower and lower mold bases, and the clamping device comprises A first entrainment group and a second entrainment group, each of the entrainment groups is capable of being transported and sandwiched by a strip of copper foil. The apparatus for attaching a copper foil to a core according to claim 8, wherein the first clamping group of the clamping device is interlocked by a differential traction device, and the differential traction device interlocking comprises a first traction a driving member, a second traction driving member; the first traction driving member interlocking the second traction driving member and then interlocking the clamping device to drive the first clamping group of the clamping device to clamp the strip-shaped copper foil to perform a first Stroke displacement; the second traction drive member interlocks the first entrainment group of the clamping device to clamp the strip-shaped copper foil to perform a second stroke displacement. The apparatus for attaching a copper foil to the iron core according to claim 7, wherein the upper mold base is provided with a recessed groove having an open space at the upper end and an opening formed at one end, and a groove is formed above the recessed groove Forming a narrow groove; the die is inserted into the groove by a T-shaped head, and is supported by the T-shaped head placed between the narrow grooves of the groove, and the two sides of the die are parallel and corresponding to each other. Punching section of the pitch. The copper foil-attaching device of the iron core according to claim 7, wherein the lower mold base is sequentially stacked from bottom to top, comprising: a base comprising a horizontally disposed stage and a vertical setting on the loading a sill on one side of the table; wherein the stage is provided with a hollow operation section for holding the clamp for holding the iron core, and a conveyor seat, which is arranged above the base, and is provided with a strip of copper foil a transporting lane for transporting, and a punching hole is arranged in the conveying lane, and an iron core is arranged in an operation section corresponding to the loading platform below the punching hole; an upper cover is disposed above the conveying seat, and a guiding guide is arranged on the corresponding conveying seat hole. A device for attaching a copper foil to a core, comprising: a device for performing the method of attaching a copper foil to a core according to any one of claims 1 to 6.