CN112937021B - Reverse copper foil processing equipment - Google Patents
Reverse copper foil processing equipment Download PDFInfo
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- CN112937021B CN112937021B CN202110209871.4A CN202110209871A CN112937021B CN 112937021 B CN112937021 B CN 112937021B CN 202110209871 A CN202110209871 A CN 202110209871A CN 112937021 B CN112937021 B CN 112937021B
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- dry film
- copper foil
- belt
- imprinting
- transmission
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1825—Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a reverse copper foil processing device, which belongs to the technical field of mechanical processing devices and comprises a copper foil combination belt, a first transmission roller set used for transmitting the copper foil combination belt, a dry film combination belt, a second transmission roller set used for transmitting the dry film combination belt, a dry film imprinting belt and a third transmission roller set used for transmitting the dry film imprinting belt, wherein the surface of the copper foil combination belt is provided with a first rough texture, the dry film imprinting belt and the dry film combination belt are synchronously transmitted, the dry film imprinting belt is used for imprinting the surface of the dry film combination belt to form a rough surface, and the copper foil combination belt and the dry film combination belt are in compression fit through a pressing mechanism. The device can improve the binding force of the copper foil and the dry film without excessive pressing force, reduce the deformation of materials, ensure the elongation of the copper foil and reduce the residual copper rate.
Description
Technical Field
The invention belongs to the technical field of machining equipment, and particularly relates to reverse copper foil machining equipment.
Background
One side of the electrolytic copper foil is smooth, and the other side of the electrolytic copper foil is rough, and generally, in the aspect of circuit board use, the roughened copper surface and the joint surface are jointed, so that the copper foil and the joint surface have larger binding force. If the roughened surface is made on the surface of the circuit board, the uniform rough surface can be directly attached with a dry film, and good bonding force can be achieved without much pretreatment. Therefore, copper clad laminate manufacturers try to reverse the rough side of the copper sheet and additionally treat the smooth side for strengthening the bonding, and such usage is called the usage of a reverse copper foil. In order to achieve a preset bonding force, in the prior art, a pressing roller is usually adopted for pressing the combination of the rough surface and the dry film, so that the copper foil and the dry film are deformed, the elongation rate of the plate is affected, and the like.
Disclosure of Invention
In view of the above, the present invention provides a reverse copper foil processing apparatus, which can improve the bonding force between a copper foil and a dry film without excessive pressing force, reduce the deformation of materials, ensure the elongation of the copper foil, and reduce the residual copper rate.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention relates to a reverse copper foil processing device which comprises a copper foil combination belt, a first transmission roller set used for transmitting the copper foil combination belt, a dry film combination belt, a second transmission roller set used for transmitting the dry film combination belt, a dry film imprinting belt and a third transmission roller set used for transmitting the dry film imprinting belt.
Further, still including the transmission area and be used for transmitting the fourth drive roller group in transmission area, the transmission area with copper foil combination area synchronous transmission is used for transferring the coarse texture of area surface imprinting second, the dry film imprinting area with transmission area synchronous transmission is used for dry film imprinting area surface imprinting with the coarse texture of third, the dry film combination area is imprinted the coarse texture of fourth through the dry film imprinting area, and wherein first coarse texture is the same with the coarse texture of third, and the coarse texture of second is the same with the coarse texture of fourth and is opposite with first coarse texture and the coarse texture of third.
Further, the first transmission roller set, the second transmission roller set and the fourth transmission roller set are all arranged on a shell, the third transmission roller set is arranged on a movable plate, a sliding groove is formed in the shell, a sliding rod is fixedly arranged on the movable plate, and the sliding rod is slidably arranged in the sliding groove and locked through a locking device.
Further, hold-down mechanism includes bilateral symmetry's compression roller subassembly, compression roller subassembly includes compression roller body, axis of rotation, compression roller seat and detent, the center of compression roller body is fixed with the axis of rotation, the both ends of axis of rotation respectively with the compression roller seat rotates and is connected, the axis of rotation passes through detent stops.
Further, stop device is including pressing tightly support, friction stop block, compression bar, swivel nut and spring, it is the L type to press tightly the support, the one end that compresses tightly the pole and compress tightly the support respectively with the pressure roller seat pin joint, the other end that compresses tightly the support is offered and is used for compressing tightly pole complex open slot, the upper end and the swivel nut screw-thread fit of compression bar, friction stop block sets up in the inboard that compresses tightly the support, and friction stop block compresses tightly in the axis of rotation through swivel nut, the outside at the compression bar is established to the spring housing, the both ends of spring respectively with swivel nut and pressure tightly the support butt.
Furthermore, a first bearing and a second bearing are arranged on the compression roller seat, the rotating shaft is rotatably arranged in a gap formed between the first bearing and the second bearing, the middle of the upper side of the friction stop block is pivoted with the compression bracket, a first screw and a second screw are arranged on the upper side of the compression bracket, and the lower ends of the first screw and the second screw are respectively abutted to the two sides of the friction stop block.
Further, copper foil combination area is including the first basic unit, first elastic layer and the copper foil layer that bond in proper order, the rough surface of copper foil layer is towards the outside, dry film combination area is including the second basic unit, second elastic layer and the dry film layer that bond in proper order, dry film layer is towards the outside.
The invention has the beneficial effects that:
according to the processing equipment for the reverse copper foil, the dry film imprinting belt imprints the surface of the dry film combined belt with a rough surface, so that the dry film is combined with the rough surface of the copper foil more closely, the binding force can be improved greatly, the copper foil combined belt and the dry film combined belt are in press fit through the pressing mechanism, and the pressing force for pressing is reduced, so that the binding force of the copper foil and the dry film can be improved without excessive pressing force, the deformation of materials is reduced, the elongation of the copper foil is ensured, and the residual copper rate can be reduced.
Additional advantages, objects, and features of the invention will be set forth in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic view of a construction of a roll assembly;
FIG. 3 is a half sectional view of the hold-down bracket;
fig. 4 is a schematic structural view of a copper foil composite tape and a dry film composite tape.
The drawings are numbered as follows: the copper foil combination belt comprises a copper foil combination belt 1, a first base layer 101, a first elastic layer 102, a copper foil layer 103, a first transmission roller group 2, a dry film combination belt 3, a second base layer 301, a second elastic layer 302, a dry film layer 303, a second transmission roller group 4, a dry film imprinting belt 5, a third transmission roller group 6, a compression roller assembly 7, a compression roller body 71, a rotating shaft 72, a compression roller seat 73, a stopping device 74, a compression bracket 741, a friction stopping block 742, a compression rod 743, a rotating nut 744, a spring 745, an open slot 746, a first bearing 75, a second bearing 76, a first screw 77, a second screw 78, a transmission belt 8, a fourth transmission roller group 9, a shell 10, a moving plate 11, a sliding slot 12, a sliding rod 13 and a locking device 14.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the description of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 4, the equipment for processing the reverse copper foil comprises a copper foil combination belt 1, a first transmission roller set 2 for transmitting the copper foil combination belt 1, a dry film combination belt 3, a second transmission roller set 4 for transmitting the dry film combination belt 3, a dry film imprinting belt 5 and a third transmission roller set 6 for transmitting the dry film imprinting belt 5, wherein the surface of the copper foil combination belt 1 is provided with a first rough texture, the dry film imprinting belt 5 and the dry film combination belt 3 are synchronously transmitted, the dry film imprinting belt 5 is used for imprinting the surface of the dry film combination belt 3 with a rough surface, and the copper foil combination belt 1 and the dry film combination belt 3 are in compression fit through a compression mechanism.
According to the processing equipment for the reverse copper foil, the dry film imprinting belt 5 is used for imprinting the surface of the dry film combination belt 3 to form a rough surface, the rough surfaces are combined pairwise, so that the dry film and the rough surface of the copper foil are combined more closely, the binding force can be improved greatly, the copper foil combination belt 1 and the dry film combination belt 3 are in pressing fit through the pressing mechanism, and therefore the pressing force for pressing is reduced, the binding force of the copper foil and the dry film can be improved without excessive pressing force, the deformation of materials is reduced, the elongation of the copper foil is guaranteed, and the residual copper rate can be reduced.
In this embodiment, still including the transfer belt 8 and be used for transmitting the fourth drive roller set 9 of transfer belt 8, transfer belt 8 with the synchronous transmission in copper foil combination area 1 is used for transferring 8 surface imprints on the transfer belt second coarse texture, dry film impress area 5 with the synchronous transmission in transfer belt 8 is used for imprinting on the dry film impress area 5 surface with third coarse texture, dry film combination area 3 has the fourth coarse texture through dry film impress area 5 impress, and wherein first coarse texture is the same with the coarse texture of third, and the coarse texture of second is the same with the coarse texture of fourth and is opposite with first coarse texture and the coarse texture of third, through the combination of reverse texture, just agrees with each other between the positive and negative, can further improve the cohesion, reduces the production in clearance.
In this embodiment, the first driving roller set 2, the second driving roller set 4 and the fourth driving roller set 9 are all disposed on a housing 10, the third driving roller set 6 is disposed on a moving plate 11, a sliding groove 12 is disposed on the housing 10, a sliding rod 13 is fixedly disposed on the moving plate 11, the sliding rod 13 is slidably disposed in the sliding groove 12 and locked by a locking device 14, and the moving direction of the sliding groove 12 is along the transmission direction of the copper foil combined belt 1, so that the position of the transmission belt 8 can be adjusted, the fine adjustment purpose is realized, the compensation of the position is realized by adjustment, the assembly error caused by the installation roller itself is compensated, and the positive and negative combination between the textures can be ensured.
In this embodiment, the pressing mechanism includes bilaterally symmetrical pressing roller assemblies 7, each pressing roller assembly 7 includes a pressing roller body 71, a rotating shaft 72, a pressing roller seat 73 and a stopping device 74, the rotating shaft 72 is fixed at the center of the pressing roller body 71, two ends of the rotating shaft 72 are respectively rotatably connected with the pressing roller seats 73, and the rotating shaft 72 is stopped by the stopping device 74 to stop transmission, so that maintenance is facilitated.
The stopping device 74 includes a pressing bracket 741, a friction stopping block 742, a pressing rod 743, a rotating nut 744 and a spring 745, the pressing bracket 741 is L-shaped, one end of the pressing rod 743 and one end of the pressing bracket 741 are respectively pivoted with the roller seat 73, the other end of the pressing bracket 741 is provided with an open slot 746 for matching the pressing rod 743, the upper end of the pressing rod 743 is in threaded fit with the rotating nut 744, the friction stopping block 742 is disposed inside the pressing bracket 741, the friction stopping block 742 is pressed against the rotating shaft 72 through the rotating nut 744, the spring 745 is sleeved outside the pressing rod 743, and two ends of the spring 745 are respectively abutted against the rotating nut 744 and the pressing bracket 741. In normal operation, the rotation nut 744 is loosened, the friction stopper 742 is in direct contact with the rotation shaft 72, but there is no pressing force or frictional force, and the rotation shaft 72 rotates normally. When stopping is needed, the rotating nut 744 is screwed, so that the rotating nut 744 is elastically pressed on the pressing bracket 741, and the friction stopping block 742 is pressed on the rotating shaft 72 through the rotating nut 744, thereby realizing the effect of friction stopping.
In this embodiment, the roller holder 73 is provided with a first bearing 75 and a second bearing 76, the rotating shaft 72 is rotatably disposed in a gap formed between the first bearing 75 and the second bearing 76, the middle of the upper side of the friction stopper 742 is pivotally connected to the pressing bracket 741, the upper side of the pressing bracket 741 is provided with a first screw 77 and a second screw 78, the lower ends of the first screw 77 and the second screw 78 are respectively abutted to two sides of the friction stopper 742, and the rotating position of the pressing bracket 741 can be adjusted by adjusting the tightening length of the first screw 77 and the second screw 78, so that the pressing bracket 741 can better attach to the rotating shaft 72, and the pressing bracket 741 has a better stopping effect.
In this embodiment, copper foil combination area 1 is including the first basic unit 101, first elastic layer 102 and the copper foil layer 103 that bond in proper order, the thick face of copper foil layer 103 is towards the outside, through setting up first basic unit 101, can avoid the direct contact of copper foil layer 103 and driving roller, reduces its deformation, through setting up first elastic layer 102 for copper foil combination area 1 combines with dry film combination area 3, has the effect of elastic coupling, and it is better to combine the effect, prevents the compressive deformation of texture, dry film combination area 3 is including the second basic unit 301 that bonds in proper order, second elastic layer 302 and dry film layer 303, dry film layer 303 is towards the outside, after combining, through artifical or the mode of peeling off automatically peel off basic unit and elastic layer can, thereby can obtain the copper foil that the cladding has the dry film.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a reversal copper foil processing equipment which characterized in that: the dry film combination belt comprises a copper foil combination belt, a first transmission roller set used for transmitting the copper foil combination belt, a dry film combination belt, a second transmission roller set used for transmitting the dry film combination belt, a dry film imprinting belt and a third transmission roller set used for transmitting the dry film imprinting belt, wherein the surface of the copper foil combination belt is provided with a first rough texture, the dry film imprinting belt and the dry film combination belt are synchronously transmitted, the dry film imprinting belt is used for imprinting the surface of the dry film combination belt to form a rough surface, and the copper foil combination belt and the dry film combination belt are in press fit through a pressing mechanism.
2. The reverse copper foil processing apparatus according to claim 1, characterized in that: still including the transmission area and be used for transmitting the fourth drive roller group in transmission area, the transmission area with copper foil combination area synchronous transmission is used for taking the surface imprinting of transmission area to go out the coarse texture of second, the dry film imprinting area with transmission area synchronous transmission is used for taking the surface imprinting of dry film imprinting area to go out with the coarse texture of third, the dry film combination area is through dry film imprinting area imprinting fourth coarse texture, and wherein first coarse texture is the same with the coarse texture of third, and the coarse texture of second is the same with the coarse texture of fourth and is opposite with first coarse texture and the coarse texture of third.
3. The reverse copper foil processing apparatus according to claim 2, characterized in that: the first transmission roller set, the second transmission roller set and the fourth transmission roller set are all arranged on a shell, the third transmission roller set is arranged on a movable plate, a sliding groove is formed in the shell, a sliding rod is fixedly arranged on the movable plate, and the sliding rod is slidably arranged in the sliding groove and locked through a locking device.
4. The reverse copper foil processing apparatus according to claim 1, characterized in that: the pressing mechanism comprises compression roller assemblies which are bilaterally symmetrical, each compression roller assembly comprises a compression roller body, a rotating shaft, a compression roller seat and a stopping device, the rotating shaft is fixed at the center of the compression roller body, two ends of the rotating shaft are respectively connected with the compression roller seats in a rotating mode, and the rotating shaft stops through the stopping devices.
5. The reverse copper foil processing apparatus according to claim 4, characterized in that: stop device is including pressing tightly support, friction stop block, compressing bar, swivel nut and spring, pressing tightly the support and being the L type, the one end that compresses tightly pole and compressing tightly the support respectively with the compression roller seat pin joint, the other end that compresses tightly the support is offered and is used for compressing tightly pole complex open slot, the upper end and the swivel nut screw-thread fit of compressing tightly the pole, friction stop block sets up in the inboard that compresses tightly the support, and friction stop block compresses tightly in the axis of rotation through swivel nut, the outside at compressing tightly the pole is established to the spring housing, the both ends of spring respectively with swivel nut and compressing tightly the support butt.
6. The reverse copper foil processing apparatus according to claim 5, characterized in that: the roller seat is provided with a first bearing and a second bearing, the rotating shaft is rotatably arranged in a gap formed between the first bearing and the second bearing, the middle of the upper side of the friction stop block is pivoted with the pressing support, the upper side of the pressing support is provided with a first screw and a second screw, and the lower ends of the first screw and the second screw are respectively abutted against the two sides of the friction stop block.
7. The reverse copper foil processing apparatus according to claim 1, characterized in that: the copper foil combination belt comprises a first base layer, a first elastic layer and a copper foil layer which are sequentially bonded, the rough surface of the copper foil layer faces to the outer side, the dry film combination belt comprises a second base layer, a second elastic layer and a dry film layer which are sequentially bonded, and the dry film layer faces to the outer side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110209871.4A CN112937021B (en) | 2021-02-24 | 2021-02-24 | Reverse copper foil processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110209871.4A CN112937021B (en) | 2021-02-24 | 2021-02-24 | Reverse copper foil processing equipment |
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| CN112937021A CN112937021A (en) | 2021-06-11 |
| CN112937021B true CN112937021B (en) | 2021-09-21 |
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| CN202110209871.4A Active CN112937021B (en) | 2021-02-24 | 2021-02-24 | Reverse copper foil processing equipment |
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| CN113579065B (en) * | 2021-08-03 | 2022-03-11 | 广东嘉元科技股份有限公司 | Equipment and method for processing reverse copper foil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104148268A (en) * | 2014-08-29 | 2014-11-19 | 无锡新势力电机科技有限公司 | Surface processing method of steel structure part |
| CN109275269A (en) * | 2018-11-16 | 2019-01-25 | 深圳市和美精艺科技有限公司 | A kind of the micropore production method and its structure of PCB substrate |
| CN109219257A (en) * | 2018-11-23 | 2019-01-15 | 开平依利安达电子有限公司 | A kind of copper-clad plate and its production technology of application reversion copper foil material |
| CN209592025U (en) * | 2019-04-11 | 2019-11-05 | 敦南微电子（无锡）有限公司 | A kind of lead frame structure of high-power bridge rectifier |
| CN110430686A (en) * | 2019-07-25 | 2019-11-08 | 沪士电子股份有限公司 | A kind of printed wiring plate producing process using corresponding etching to compensate |
| CN110996565A (en) * | 2019-12-30 | 2020-04-10 | 东莞市若美电子科技有限公司 | Pressing method for 5G circuit board |
| CN111586985A (en) * | 2020-04-29 | 2020-08-25 | 东莞联桥电子有限公司 | Manufacturing method of high-flatness multilayer circuit board |
| CN111424294A (en) * | 2020-05-15 | 2020-07-17 | 惠州联合铜箔电子材料有限公司 | Production process of reverse copper foil |
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