CN110121242B - Quick change structure of flexible circuit board - Google Patents
Quick change structure of flexible circuit board Download PDFInfo
- Publication number
- CN110121242B CN110121242B CN201910419169.3A CN201910419169A CN110121242B CN 110121242 B CN110121242 B CN 110121242B CN 201910419169 A CN201910419169 A CN 201910419169A CN 110121242 B CN110121242 B CN 110121242B
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- Prior art keywords
- circuit board
- flexible circuit
- vacuum
- buckling
- pressing plate
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- 230000008859 change Effects 0.000 title claims description 4
- 210000001503 joint Anatomy 0.000 claims description 14
- 229920000297 Rayon Polymers 0.000 claims description 4
- 239000002313 adhesive film Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0147—Carriers and holders
- H05K2203/0165—Holder for holding a Printed Circuit Board [PCB] during processing, e.g. during screen printing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/08—Treatments involving gases
- H05K2203/085—Using vacuum or low pressure
Abstract
The invention relates to the technical field of flexible circuit board mold changing, and discloses a flexible circuit board quick mold changing structure, which comprises a vacuum plate, a flexible circuit board and a pressing plate, wherein vacuum is arranged in the vacuum plate, the vacuum plate is provided with an abutting surface which is abutted with the flexible circuit board, a plurality of vacuum inlets are formed on the abutting surface, the vacuum is released, and the flexible circuit board is adsorbed on the abutting surface; the flexible circuit board is propped against the vacuum board by the pressing plate, a plurality of magnetic holes are formed on the vacuum board, and the magnetic holes have magnetic force which can adsorb the pressing plate on the vacuum board; the vacuum plate is provided with a plurality of convex blocks, the pressing plate is provided with a plurality of buckling blocks which are in one-to-one correspondence with the convex blocks, and the buckling blocks are movably connected with the pressing plate; when the buckling blocks are buckled with the corresponding convex blocks respectively, the vacuum plate and the pressing plate are fixedly arranged; the mounting steps are few, the operation is simple, the convenience and the rapidness are realized, and the flexible circuit board can be stably arranged between the pressing plate and the vacuum plate.
Description
Technical Field
The invention relates to the technical field of flexible circuit board mold changing, in particular to a flexible circuit board rapid mold changing structure.
Background
The flexible circuit board is a flexible printed circuit board with high reliability and excellent flexibility, has the characteristics of high wiring density, light weight and thin thickness, and is mainly used in a plurality of products such as mobile phones, notebook computers, PDAs, digital cameras and the like.
At present, along with the continuous development and progress of technology, the requirements on circuit boards are higher and higher, and particularly, digital products are pursued for convenience and light weight, and flexible circuit boards with the advantages of being flexible, ultrathin, light in weight and the like are greatly developed and applied in the electronic field.
In the prior art, when a batch of flexible circuit boards are required to be installed, the existing installation structure for installing the flexible circuit boards is complex, so that the operation steps are excessive, the installation time is prolonged, and the efficiency is influenced.
Disclosure of Invention
The invention aims to provide a quick mold changing structure of a flexible circuit board, and aims to solve the problem that the mold changing structure of the flexible circuit board is complex in the prior art.
The invention is realized in this way, the flexible circuit board quick-change structure provided by the invention comprises a vacuum board with vacuum, a flexible circuit board and a pressing plate for pressing the flexible circuit board on the vacuum board; the vacuum plate is provided with an abutting surface which abuts against the flexible circuit board; a plurality of vacuum inlets and a plurality of magnetic holes with magnetic force are formed on the abutting surface; vacuum adsorbs the flexible circuit board on the vacuum plate through the vacuum inlet, and the magnetic holes adsorb the pressing plate on the vacuum plate; the vacuum plate is provided with a plurality of convex blocks, the pressing plate is provided with a plurality of buckling blocks which are in one-to-one correspondence with the convex blocks, and the buckling blocks are movably connected with the pressing plate; when the buckling blocks are buckled with the corresponding convex blocks respectively, the vacuum plate and the pressing plate are fixedly arranged.
Further, a plurality of positioning pins are formed on the abutting surface; a plurality of positioning holes which are in one-to-one correspondence with the positioning pins are formed on the flexible circuit board and the pressing plate respectively; when the vacuum plate, the flexible circuit board and the pressing plate are in a fixed state, the positioning pins are respectively embedded into the positioning holes on the flexible circuit board and the pressing plate.
Further, a groove strip with an opening facing the flexible circuit board is formed at the bottom of the abutting surface, and the groove strip is provided with adhesive; the two ends of the groove strip are respectively arranged along the left side and the right side of the vacuum plate in an extending way; the two sides of the groove strip are obliquely arranged, and the section of the groove strip is in a trapezoid shape with a large upper part and a small lower part from the opening of the groove strip to the bottom of the groove strip; the slot bar has a covered section in contact with the flexible circuit board, the slot bar has an uncovered section in contact with the platen; the pressing plate is provided with a bonding surface which is abutted against the flexible circuit board and the vacuum board, and the bonding surface is provided with a convex strip which is jogged with the uncovered section; when the flexible circuit board, the pressing plate and the vacuum plate are attached, the convex strips are just embedded into the uncovered sections.
Further, a plurality of pressure films with viscose are arranged on the inner wall of the groove strip; one end of the pressure film is connected with the inner wall, and the other end of the pressure film extends out of the groove strip; and when the flexible circuit board is attached to the abutting surface, attaching the other end of the pressure film to the flexible circuit board.
Further, the plurality of protruding blocks are respectively arranged on the side edges of the vacuum plate, one ends of the protruding blocks protrude towards the direction of the abutting surface, and the other ends of the protruding blocks extend and are arranged in the direction away from the abutting surface; the pressing plate is provided with a plurality of through holes which are respectively in one-to-one correspondence with the convex blocks, and one ends of the convex blocks are respectively embedded into the corresponding through holes; one end of the lug is provided with a convex surface facing the through hole, one side edge on the convex surface is attached to the side edge of the vacuum plate, and the other several side edges of the convex surface are obliquely arranged along the direction deviating from the through hole.
Further, the attaching surface is convexly provided with a plurality of mounting seats for mounting the buckling blocks, and the mounting seats are respectively positioned at the outer sides of the through holes; the mounting seat is provided with a mounting groove with an opening facing the direction of the convex block; one end of the buckling block is provided with a mounting hole, one end of the buckling block is embedded into the mounting groove, the buckling block is movably connected with the mounting seat through a rotating shaft, and the rotating shaft penetrates through the mounting hole; the inner walls of the two sides of the mounting groove are respectively provided with an embedded groove, and the two ends of the rotating shaft respectively extend to the embedded grooves.
Further, a plurality of annular grooves are concavely formed on the inner wall of the embedded groove; two ends of the rotating shaft are respectively provided with a plurality of convex rings in a protruding mode, wherein the convex rings correspond to the annular grooves one by one; when the two ends of the rotating shaft extend to the embedded grooves respectively, the convex rings are embedded into the annular grooves respectively.
Further, the other end of the buckling block extends along the direction away from the mounting seat, and an abutting surface abutting against the vacuum plate is formed; the vacuum plate is provided with a rear surface which faces away from the abutting surface, and a plurality of concave grooves are formed in the rear surface; a boss is formed between the two concave grooves; when the buckling block is buckled with the convex block, the abutting surface is buckled with the boss.
Further, the bump is provided with a butt joint surface which is abutted with the mounting seat, and two side edges of the butt joint surface are respectively obliquely arranged towards the direction of the vacuum plate to form two oblique butt joint surfaces; a plurality of inclined grooves are formed on the two inclined butt joint surfaces; the mounting seat is provided with a contact surface in butt joint with the butt joint surface, and a plurality of inclined convex strips which are in one-to-one correspondence with the inclined grooves are formed on the contact surface in a protruding mode; when the buckling block is buckled with the convex block, the inclined convex strips are embedded into the chute; and the part between the two oblique butt joint surfaces is embedded into the mounting groove.
Further, the mounting seat and the buckling and pressing block are respectively provided with a mounting column for mounting a spring in a protruding mode; both ends of the spring are respectively provided with a hook-shaped buckling position with an opening end, and the opening ends of the buckling positions at both ends are arranged in opposite directions; a groove is formed at the buckling position of the mounting column and the buckling position, and the buckling position is embedded into the groove; and when the buckling block is buckled with the convex block, the spring is stretched.
Compared with the prior art, the flexible circuit board quick-change structure provided by the embodiment is characterized in that the flexible circuit board is placed on the abutting surface of the vacuum board, vacuum is opened, a vacuum inlet on the abutting surface releases vacuum, and the flexible circuit board is adsorbed on the abutting surface; then the pressing plate is pressed on the flexible circuit board, at the moment, the pressing plate is also contacted with the abutting surface, the magnetic holes on the abutting surface have magnetic force, the pressing plate is adsorbed on the abutting surface through the magnetic force, the flexible circuit board is pressed between the pressing plate and the vacuum plate, the mounting steps are few, the operation is simple, and the operation is convenient and quick; then the buckling blocks on the pressing plate are respectively buckled with the corresponding convex blocks, so that the pressing plate and the vacuum plate are firmly buckled, the pressing plate and the vacuum plate are not separated even though the magnetic force of the magnet Kong Shiqu is generated, and the flexible circuit board can be firmly buckled between the pressing plate and the vacuum plate.
Drawings
FIG. 1 is a schematic perspective view of a vacuum plate, a flexible circuit board and a platen provided by the present invention;
fig. 2 is a schematic perspective view of a vacuum board and a flexible circuit board provided by the invention;
FIG. 3 is a schematic perspective view of a platen provided by the present invention;
fig. 4 is a schematic perspective view of a vacuum plate, a flexible circuit board and a pressing plate provided by the invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The implementation of the present invention will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-4, a preferred embodiment of the present invention is provided.
The flexible circuit board rapid-change structure comprises a vacuum board 10, a flexible circuit board 20 and a pressing plate 30, wherein vacuum is arranged in the vacuum board 10, the vacuum board 10 is provided with an abutting surface 11 abutting against the flexible circuit board 20, a plurality of vacuum inlets 110 are formed in the abutting surface 11, the vacuum is released, and the flexible circuit board 20 is adsorbed on the abutting surface 11.
The pressing plate 30 presses the flexible circuit board 20 against the vacuum plate 10, a plurality of magnetic holes 111 are formed in the vacuum plate, and the magnetic holes 111 have magnetic force, so that the pressing plate 30 is adsorbed on the vacuum plate 10 by the magnetic force; the vacuum plate 10 is provided with a plurality of protruding blocks 12, the pressing plate 30 is provided with a plurality of buckling blocks 31 corresponding to the protruding blocks 12 one by one, and the buckling blocks 31 are movably connected with the pressing plate 30; when the buckling blocks 31 are buckled with the corresponding lugs 12 respectively, the vacuum plate 10 and the pressing plate 30 are fixedly arranged.
In the above-mentioned rapid-change structure for flexible circuit board, the flexible circuit board 20 is placed on the contact surface 11 of the vacuum board 10, and the vacuum is opened to release the vacuum from the vacuum inlet 110 on the contact surface 11, so that the flexible circuit board 20 is adsorbed on the contact surface 11; then pressing the pressing plate 30 on the flexible circuit board 20, at this time, the pressing plate 30 is also in contact with the abutting surface 11, the magnetic hole 111 on the abutting surface 11 has magnetic force, the pressing plate 30 is adsorbed on the abutting surface 11 through the magnetic force, the flexible circuit board 20 is pressed between the pressing plate 30 and the vacuum plate 10, the installation steps are few, the operation is simple, and the convenience and the rapidness are realized; then, the buckling blocks 31 on the pressing plate 30 are respectively buckled with the corresponding convex blocks 12, so that the pressing plate 30 is firmly buckled with the vacuum plate 10, the pressing plate 30 is not separated from the vacuum plate 10 even if the magnetic force of the magnetic holes 111 is lost, and the flexible circuit board 20 can be firmly buckled between the pressing plate 30 and the vacuum plate 10.
The contact surface 11 is formed with a plurality of positioning pins, the area of the vacuum board 10 is generally larger than that of the flexible circuit board 20, so that the flexible circuit board 20 can be prevented from being scratched by foreign objects, in this embodiment, the positioning pins are formed at the lower part of the contact surface 11, the magnetic holes 111 and the vacuum inlets 110 are formed above the positioning pins, and the vacuum inlets 110 are formed at the uncovered positions of the flexible circuit board 20, so that the magnetic force attracts the pressing plate 30 to the contact surface 11.
Correspondingly, a plurality of positioning holes 21 corresponding to the positioning pins one by one are formed on the flexible circuit board 20 and the pressing plate 30 respectively, the positioning holes 21 are formed on the lower parts of the flexible circuit board 20 and the pressing plate 30, the positioning pins penetrate through the positioning holes 21 on the flexible circuit board 20, then the pressing plate 30 is attached, the positioning pins penetrating through the positioning holes 21 on the flexible circuit board 20 penetrate through the positioning holes 21 on the pressing plate 30, and the positions of the positioning holes 21, the positioning holes and the pressing plate are fixed, so that looseness is avoided, the position of the flexible circuit board 20 is changed, and subsequent operation is affected.
A groove strip 112 is formed at the bottom of the abutting surface 11, and viscose is arranged in the groove strip 112; the opening of the groove strip 112 faces the direction of the flexible circuit board 20, the flexible circuit board 20 is attached to the abutting surface 11, the covered section of the groove strip 112 sticks the flexible circuit board 20, the pressing plate 30 is fixed with the vacuum plate 10, and the pressing plate 30 is provided with an attaching surface 32 attached to the flexible circuit board 20 and the abutting surface 11; the bonding surface 32 is formed with a convex strip 320 corresponding to an uncovered section of the groove 112, and when the three are bonded, the convex strip 320 is fitted into the uncovered section of the groove 112.
In this embodiment, the two ends of the groove strip 112 extend along the left and right sides of the vacuum board 10, and the flexible circuit board 20 is adsorbed at the middle position of the abutting surface 11, so the covered section is located at the middle position of the groove strip 112, the uncovered section is located at two sides of the groove strip 112, so the convex strips 320 formed on the abutting surface 32 are located at two sides of the abutting surface 32, when the three sections are mutually adhered, the flexible circuit board 20 is just adhered to the covered section in the middle, and the convex strips 320 at two sides of the abutting surface 32 are just embedded into two sides of the groove strip 112, so that the pressing plate 30 is adhered to the vacuum board 10.
The two sides of the groove strip 112 are obliquely arranged, the opening is larger than the groove bottom, the bonding area 32 of the groove strip 112 and the flexible circuit board 20 is increased, the bonding effect is enhanced, and the top area of the raised strips 320 is smaller than the bottom area so as to be tightly embedded with the groove strip 112.
The inner wall of the groove strip 112 is provided with a plurality of adhesive films 113, one end of each adhesive film 113 is connected with the inner wall, the other end of each adhesive film 113 extends out of the groove strip 112 and is attached to the flexible circuit board 20, in this embodiment, the groove strip 112 is arranged at the bottom position of the abutting surface 11, the adhesive film is also attached to the groove strip 112 and is the bottom position of the flexible circuit board 20, and one surface attached to the abutting surface 11 by the flexible circuit board 20 extends to the other surface attached to the abutting surface 32.
The plurality of protruding blocks 12 are respectively arranged on the side edges of the vacuum plate 10, so that the protruding blocks 12 are conveniently buckled with the buckling blocks 31; one end of the bump 12 protrudes towards the direction of the abutting surface 11, the protruding height is higher than the abutting surface 11, the pressing plate 30 abuts against the flexible circuit board 20 and the vacuum board 10 to form an abutting surface 32, a plurality of through holes 33 for embedding one end of the bump 12 are formed in the abutting surface 32, the positions of the through holes 33 correspond to the positions of the bump 12 one by one, and after the bump 12 is embedded into the through holes 33, the pressing plate 30 is fixed with the position of the vacuum board 10.
The bump 12 has a convex surface 120 facing the through hole 33, one side of the bump 12 is attached to one side of the vacuum plate 10, and the other three sides of the bump 12 are respectively inclined along the direction away from the through hole 33, so that the bump 12 is conveniently embedded into the through hole 33, and the bump 12 and the through hole 33 can be firmly embedded.
The other end of the lug 12 extends and arranges along the direction that deviates from the butt face 11, and after buckling the buckling block 31 and the lug 12, the terminal surface of the other end of the lug 12 faces the buckling block 31, and the terminal surface is arranged in an inclined way, so that buckling of the buckling block 31 is facilitated.
A plurality of mounting seats 34 are formed on the bonding surface 32 in a protruding mode, the plurality of mounting seats 34 are respectively in one-to-one correspondence with the positions of the protruding blocks 12, and the plurality of mounting seats 34 are respectively positioned on the outer sides of the through holes 33; the mounting seat 34 has a mounting groove 35; the opening of the mounting groove 35 faces the direction of the protruding block 12, the buckling block 31 is embedded into the mounting groove 35, a mounting hole is formed at one end of the buckling block 31, and the rotating shaft 36 penetrates through the mounting hole to movably connect the buckling block 31 with the mounting seat 34; the buckling block 31 can be buckled with or separated from the bump 12 by rotating the buckling block 31.
Embedding grooves are respectively formed on the inner walls of the two sides of the mounting groove 35, and after the rotating shaft 36 passes through the mounting hole, the two ends of the rotating shaft 36 are respectively embedded into the two embedding grooves to connect the buckling block 31 with the mounting seat 34; a plurality of annular grooves are formed in the inner wall of the embedded groove in an inward concave manner, a plurality of convex rings are respectively formed at the two ends of the rotating shaft 36, the convex rings are connected with the annular grooves in a one-to-one correspondence manner, when the two ends of the rotating shaft 36 are respectively extended to the embedded groove, the convex rings are respectively embedded into the annular grooves, so that the positions of the rotating shaft 36 and the mounting seat 34 are fixed, and the rotating shaft 36 is prevented from being separated from the embedded groove when the buckling block 31 is prevented from rotating, and the follow-up operation is influenced.
The other end of the buckling block 31 extends towards the direction of the bonding surface 32 to form an abutting surface 310, the buckling block 31 is arranged in a bending mode towards the direction of the bonding surface 32, when the buckling block 31 is buckled with the convex block 12, the buckling block 31 covers the convex block 12, and the abutting surface 310 abuts against the vacuum plate 10.
The vacuum plate 10 has a rear surface 13 facing away from the abutment surface 11, a plurality of concave portions 130 are formed on the rear surface 13, and a boss 131 is formed between the two concave portions 130; when the buckling block 31 is buckled with the bump 12, the abutting surface 310 is buckled with the boss 131.
A step is formed at the other end of the bump 12, and is located above the abutting surface 310, so that when the buckling block 31 needs to be separated from the bump 12, the step can be buckled to pull the buckling block 31 away from the bump 12.
In this embodiment, two protrusions 12, two buckling blocks 31 buckled with the protrusions 12, two through holes 33 for embedding one ends of the protrusions 12, and two bosses 131 abutting against the abutting surface 310 are provided; and the bump 12 and the buckling block 31 are arranged at two side edges of the vacuum plate 10 and the pressing plate 30, and the width of the pressing plate 30 is larger than that of the vacuum plate 10 along the transverse direction, so that the bump 12, the buckling block 31 and the through hole 33 can be matched conveniently.
The bump 12 has a butt-joint surface 121 abutting against the mounting seat 34, and two sides of the butt-joint surface 121 are respectively arranged obliquely towards the direction of the vacuum plate 10 to form two oblique butt-joint surfaces 121, when the buckling block 31 is buckled with the bump 12, two sides of the mounting seat 34 are respectively abutted against the two oblique butt-joint surfaces 121, and a part between the two oblique butt-joint surfaces 121 is embedded into the mounting groove 35, so that the positions of the mounting seat 34 and the bump 12 are fixed.
A plurality of inclined grooves 123 are formed on the two inclined butt joint surfaces 121, the butt joint of the mounting seat 34 and the butt joint surfaces 121 is a contact surface 122, and a plurality of inclined convex strips 312 are formed on the contact surface 122 in a protruding manner; when the buckling block 31 is buckled with the bump 12, the inclined convex strips 312 are respectively embedded into the corresponding inclined slots 123 one by one.
The mounting seat 34 and the buckling and pressing block 31 are respectively provided with a mounting column 37 in a protruding mode, two ends of the spring 38 are respectively provided with buckling positions 380 with open ends, the buckling positions 380 are in a hook shape, the buckling positions 380 at the two ends of the spring 38 are respectively buckled on the mounting columns 37 on the mounting seat 34 and the buckling and pressing block 31, when the buckling and pressing block 31 is separated from the protruding block 12, the spring 38 is in an original length state, after the buckling and pressing block 31 is buckled with the protruding block 12, the spring 38 is stretched, and under the action of elastic force, the buckling and pressing block 31 can be tightly buckled on the protruding block 12.
The open ends of the buckling positions 380 at two ends of the spring 38 are arranged in opposite directions, that is, the buckling positions 380 at one end are opened downwards, and then the opening at the other end is arranged upwards, so that the spring 38 can be prevented from being separated from the mounting column 37 in the operation process, a groove 381 is formed in the mounting column 37, the buckling positions 380 are embedded into the groove 381, the positions of the buckling positions 380 are fixed, and the spring 38 is prevented from being separated from the mounting column 37 easily.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The quick-change structure of the flexible circuit board is characterized by comprising a vacuum board with vacuum, the flexible circuit board and a pressing plate for pressing the flexible circuit board on the vacuum board; the vacuum plate is provided with an abutting surface which abuts against the flexible circuit board; a plurality of vacuum inlets and a plurality of magnetic holes with magnetic force are formed on the abutting surface; vacuum adsorbs the flexible circuit board on the vacuum plate through the vacuum inlet, and the magnetic holes adsorb the pressing plate on the vacuum plate; the vacuum plate is provided with a plurality of convex blocks, the pressing plate is provided with a plurality of buckling blocks which are in one-to-one correspondence with the convex blocks, and the buckling blocks are movably connected with the pressing plate; when the buckling blocks are buckled with the corresponding convex blocks respectively, the vacuum plate and the pressing plate are fixedly arranged;
the bottom of the abutting surface forms a groove strip with an opening facing the flexible circuit board, and the groove strip is provided with viscose; the two ends of the groove strip are respectively arranged along the left side and the right side of the vacuum plate in an extending way; the slot bar has a covered section in contact with the flexible circuit board, the slot bar has an uncovered section in contact with the platen; the pressing plate is provided with a bonding surface which is abutted against the flexible circuit board and the vacuum board, and the bonding surface is provided with a convex strip which is jogged with the uncovered section; when the flexible circuit board, the pressing plate and the vacuum plate are attached, the convex strips are just embedded into the uncovered section.
2. The flexible circuit board quick change structure of claim 1, wherein the abutment surface has a plurality of locating pins formed thereon; a plurality of positioning holes which are in one-to-one correspondence with the positioning pins are formed on the flexible circuit board and the pressing plate respectively; when the vacuum plate, the flexible circuit board and the pressing plate are in a fixed state, the positioning pins are respectively embedded into the positioning holes on the flexible circuit board and the pressing plate.
3. The flexible circuit board rapid-change structure according to claim 2, wherein the flexible circuit board is adsorbed at the middle position of the abutting surface, both sides of the groove strip are obliquely arranged, and the cross section of the groove strip is in a trapezoid shape with a large upper part and a small lower part from the opening of the groove strip to the bottom of the groove strip.
4. The flexible circuit board rapid prototyping structure of claim 3 wherein the inner wall of the slot bar is provided with a plurality of pressure-sensitive films with viscose; one end of the pressure film is connected with the inner wall, and the other end of the pressure film extends out of the groove strip; and when the flexible circuit board is attached to the abutting surface, attaching the other end of the pressure film to the flexible circuit board.
5. The flexible circuit board quick-change structure according to any one of claims 1 to 4, wherein a plurality of the bumps are provided on the side edges of the vacuum board, respectively, one end of each bump is arranged to extend in a direction toward the abutment surface, and the other end of each bump is arranged to extend in a direction away from the abutment surface; the pressing plate is provided with a plurality of through holes which are respectively in one-to-one correspondence with the convex blocks, and one ends of the convex blocks are respectively embedded into the corresponding through holes; one end of the lug is provided with a convex surface facing the through hole, one side edge on the convex surface is attached to the side edge of the vacuum plate, and the other several side edges of the convex surface are obliquely arranged along the direction deviating from the through hole.
6. The flexible circuit board rapid prototyping structure of claim 5 wherein the bonding surface is convexly provided with a plurality of mounting seats for mounting the buckling blocks, and the mounting seats are respectively positioned outside the through holes; the mounting seat is provided with a mounting groove with an opening facing the direction of the convex block; one end of the buckling block is provided with a mounting hole, one end of the buckling block is embedded into the mounting groove, the buckling block is movably connected with the mounting seat through a rotating shaft, and the rotating shaft penetrates through the mounting hole; the inner walls of the two sides of the mounting groove are respectively provided with an embedded groove, and the two ends of the rotating shaft respectively extend to the embedded grooves.
7. The flexible circuit board rapid prototyping structure of claim 6 wherein the inner wall of the embedded groove is concavely formed with a plurality of annular grooves; two ends of the rotating shaft are respectively provided with a plurality of convex rings in a protruding mode, wherein the convex rings correspond to the annular grooves one by one; when the two ends of the rotating shaft extend to the embedded grooves respectively, the convex rings are embedded into the annular grooves respectively.
8. The flexible circuit board quick change structure according to claim 7, wherein the other end of the buckling block extends in a direction away from the mounting seat, and is formed with an abutting surface abutting against the vacuum plate; the vacuum plate is provided with a rear surface which faces away from the abutting surface, and a plurality of concave grooves are formed in the rear surface; a boss is formed between the two concave grooves; when the buckling block is buckled with the convex block, the abutting surface is buckled with the boss.
9. The flexible circuit board rapid prototyping structure of claim 8 wherein the bump is provided with a butting surface which is abutted with the mounting seat, and two sides of the butting surface are respectively arranged in an inclined way towards the direction of the vacuum plate to form two inclined butting surfaces; a plurality of inclined grooves are formed on the two inclined butt joint surfaces; the mounting seat is provided with a contact surface in butt joint with the butt joint surface, and a plurality of inclined convex strips which are in one-to-one correspondence with the inclined grooves are formed on the contact surface in a protruding mode; when the buckling block is buckled with the convex block, the inclined convex strips are embedded into the chute; and the part between the two oblique butt joint surfaces is embedded into the mounting groove.
10. The flexible circuit board rapid prototyping structure of claim 9 wherein the mounting base and the buckling and pressing block are respectively provided with a mounting post for mounting a spring in a protruding manner; both ends of the spring are respectively provided with a hook-shaped buckling position with an opening end, and the opening ends of the buckling positions at both ends are arranged in opposite directions; a groove is formed at the buckling position of the mounting column and the buckling position, and the buckling position is embedded into the groove; and when the buckling block is buckled with the convex block, the spring is stretched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910419169.3A CN110121242B (en) | 2019-05-20 | 2019-05-20 | Quick change structure of flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910419169.3A CN110121242B (en) | 2019-05-20 | 2019-05-20 | Quick change structure of flexible circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110121242A CN110121242A (en) | 2019-08-13 |
| CN110121242B true CN110121242B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910419169.3A Active CN110121242B (en) | 2019-05-20 | 2019-05-20 | Quick change structure of flexible circuit board |
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| CN (1) | CN110121242B (en) |
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| CN110121242A (en) | 2019-08-13 |
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