CN217825859U - Carrier for surface mounting production line of flexible circuit board - Google Patents
Carrier for surface mounting production line of flexible circuit board Download PDFInfo
- Publication number
- CN217825859U CN217825859U CN202221202186.5U CN202221202186U CN217825859U CN 217825859 U CN217825859 U CN 217825859U CN 202221202186 U CN202221202186 U CN 202221202186U CN 217825859 U CN217825859 U CN 217825859U
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- Prior art keywords
- carrier
- circuit board
- flexible circuit
- tightening
- carrier base
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- 230000003044 adaptive effect Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a carrier for flexible circuit board surface mounting produces line, including the carrier base member, be equipped with on the carrier base member with the tight locking portion of tightening of angle end locating hole one-to-one, the tight locking portion includes the fastener of detachable lock solid on the carrier base member, the fastener includes toper fastening cap, the maximum diameter of toper fastening cap is greater than the diameter of angle end locating hole, be equipped with on the carrier base member be used for with the fastener counter position complex spacing lock solid heavy concave. The utility model discloses a tight locking portion and spacing lock solid heavy concave mutually support and satisfy the tight lock solid stability demand of flexible circuit board, and the laminating is more reliable between flexible circuit board and the carrier base member simultaneously, possesses to carry on the planarization higher. Possess the elasticity locking seat that provides the elasticity stroke of tightening, can provide comparatively steadily and continuously the nature tension of tightening, maintain the locking stability of tightening more reliably in flexible circuit board production line operation. Has the characteristics of convenient, efficient and rapid assembly and disassembly, low cost, long service life and the like.
Description
Technical Field
The utility model relates to a carrier that is used for flexible circuit board surface mounting to produce line belongs to the technical field of circuit board subsides dress.
Background
When the surface of the flexible circuit board is pasted, the flexible circuit board needs to be positioned and fixed through a positioning carrier, and then the flexible circuit board passes through a printing station, an SPI (serial peripheral interface) station, a surface mounting station, an AOI (automatic optical inspection) station, a backflow station, an AOI station, a glue dispensing station, an electrical property test, a laser board splitting station and the like, so that the flexible circuit board is processed, produced and molded. The design of the positioning carrier is particularly important, and the locking stability and the carrying precision of the flexible circuit board on the positioning carrier need to be guaranteed.
At present, the positioning carrier is mainly divided into a tape-bonding type carrier and a magnetic adsorption type carrier, and the substrates of the tape-bonding type carrier and the magnetic adsorption type carrier mostly adopt a glass fiber carrier or an aluminum carrier. The adhesive tape bonding type carrier seat realizes the bonding between the flexible circuit board and the carrier seat by using an adhesive tape, and the magnetic adsorption type carrier seat realizes the adsorption and clamping of the flexible circuit board by adopting a mode of matching a magnet and a steel sheet.
The defect of the tape bonding type carrier seat is obvious, the tape bonding type carrier seat is fixed in relative position after being bonded, certain warping and other phenomena can be generated in the subsequent production and processing process, the production yield of the flexible circuit board is influenced, and in addition, the tape bonding operation is complicated and the cost can be generated as consumable materials. The magnetic adsorption type carrier seat is mainly high in cost, an overlarge waste edge area needs to be designed to achieve stable magnetic clamping, meanwhile, a hollowed-out formed steel sheet directly relates to the cost of the carrier seat, and in addition, a magnet of the carrier seat can have certain functional influence on a magnetic sensitive electronic element. The magnet also can influence the position requirement of carrying the fretwork on the seat on carrying the seat.
Disclosure of Invention
The utility model aims at solving the not enough of above-mentioned prior art, there is the problem of a great deal of defect to traditional flexible circuit board carrier, provide the carrier that is used for flexible circuit board surface mounting to produce the line.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
the carrier for the surface mounting production line of the flexible circuit board comprises a carrier base body, wherein a plurality of corner end positioning holes are arranged on the flexible circuit board, tightening locking parts which are in one-to-one correspondence with the corner end positioning holes are arranged on the carrier base body,
the tightening and locking part comprises a fastener which is used for penetrating through the corner end positioning hole and detachably locked on the carrier substrate, the fastener comprises a conical fastening cap which is matched with the corner end positioning hole, the maximum diameter of the conical fastening cap is larger than that of the corner end positioning hole,
and the carrier base body is provided with a limiting locking sinking groove which is used for being correspondingly matched with the fastener.
Preferably, the tightening locking part includes an elastic locking seat with tightening elastic displacement, which is arranged on the carrier substrate, and the elastic locking seat is provided with the limiting locking sinking recess.
Preferably, a hollow groove for forming the elastic locking seat is formed in the carrier base body.
Preferably, the hollow-out groove is an arc-shaped hollow-out groove.
Preferably, the elastic locking seat is pivotally connected to the carrier base, and an elastic element is disposed between the elastic locking seat and the carrier base.
Preferably, the limiting locking sinking groove is provided with a matching elastic sliding part with tightening elastic displacement, and the fastening piece is detachably locked on the matching elastic sliding part.
Preferably, the fastener and the limit lock sinking are in threaded connection or buckled connection.
Preferably, a bolt hole is formed in the limiting locking sunken recess, and the fastener is provided with a screw rod used for being in threaded connection with the bolt hole.
Preferably, the bottom wall of the limiting lock sinking recess is connected with an inclined transition wall.
The beneficial effects of the utility model are mainly embodied in that:
1. the requirements for the stability of the flexible circuit board in tightening and locking are met by matching the tightening locking part with the limiting locking sinking concave part, and meanwhile, the flexible circuit board is more reliably attached to the carrier base body and has higher carrying smoothness.
2. Possess the elasticity locking seat that provides the elasticity stroke of tightening, can provide comparatively steadily and continuously the nature tension of tightening, maintain the locking stability of tightening more reliably in flexible circuit board production line operation.
3. The mode of locking the diagonal ends of the fasteners is more convenient and faster, and flexible tension degree control is easy to realize.
4. The positioning carrier is easy to manufacture, low in cost, long in service life and high in economic value.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic cross-sectional view of a carrier for a flexible circuit board surface mounting production line according to an embodiment of the present invention.
Fig. 2 is a schematic top view of the positioning carrier according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structure diagram of a carrier for a surface mounting production line of a flexible printed circuit board according to an embodiment of the present invention.
Fig. 4 is another view angle structure diagram of fig. 2.
Fig. 5 is a schematic cross-sectional structure diagram of a carrier for a surface mounting production line of a flexible printed circuit board according to an embodiment of the present invention.
Fig. 6 is a schematic cross-sectional view of a carrier for a surface mounting production line of a flexible printed circuit board according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the relevant portions of the related inventions are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The utility model provides a carrier for flexible circuit board surface mounting produces line, as shown in fig. 1 to fig. 6, including carrier base member 1, be equipped with a plurality of angle end locating holes 20 on the flexible circuit board 2.
The traditional carrier is generally including gluing bonding, magnetic adsorption, three kinds of locate mode of location angle lock solid, and traditional location angle lock solid can't satisfy flexible circuit board 2 fixed level and smooth, consequently abandon the usefulness for a long time, the gluey bonding and the magnetic adsorption of adoption also have a great deal of defect, and the present case has carried out relevant design promptly on traditional angle end location basis, satisfy the demand such as tighten the carrying, satisfy the carrying of flexible circuit board 2 on the one hand and tightened stability, on the other hand has controlled the carrier cost, still possess advantages such as dress dismantlement convenience long service life.
Example one
The carrier base body 1 is provided with tightening locking parts 3 which correspond to the corner end positioning holes 20 one by one.
The tightening locking part 3 comprises a fastening piece 4 which penetrates through the corner end positioning hole and is detachably locked on the carrier base body 1, the fastening piece 4 comprises a conical fastening cap 40 matched with the corner end positioning hole, the maximum diameter of the conical fastening cap 40 is larger than that of the corner end positioning hole, and a limiting locking sinking groove 5 matched with the fastening piece in a relative position is formed in the carrier base body 1.
The specific implementation process and principle description are as follows:
the effective positioning of the corner end of the flexible circuit board 2 is realized by fastening and matching the fastener 4 and the carrier base body 1, and the positioning generally adopts the modes of screw connection and the like, which is similar to the corner end fastening in the prior art.
However, in the present case, the tightening effect of locking the corner end of the flexible circuit board 2 can be achieved by adopting the matching manner of the tapered fastening cap 40 and the limiting locking depression 5.
Specifically, the limiting locking depression 5 provides a bending pressing stroke after the corner end of the flexible circuit board 2 is fixed, the flexible circuit board 2 is stretched and tightened to a certain extent in the process that the corner end positioning hole 20 is pressed down by the conical fastening cap 40, the conical surface wall of the conical fastening cap 40 is adjusted relative to the corner end positioning hole 20, the distance between the center diagonal line of the conical fastening cap and the distance between the center diagonal line of the flexible circuit board positioning hole keep relative positions so that the flexible circuit board is tightened by the conical fastening cap, therefore, the self-adaptive adjustment locking fit of a certain tightening force is realized, the tightening degree of the flexible circuit board 2 on the carrier base body 1 is ensured, and the effective production is maintained.
The end face of the conical securing cap 40 is lower than the bearing surface of the carrier base 1.
In an optimized scheme, as shown in fig. 3 to 6, the tightening locking part 3 includes an elastic locking seat 6 with a tightening elastic displacement, which is arranged on the carrier base body 1, and a limiting locking depression 5 is arranged on the elastic locking seat 6.
Specifically, the requirements of certain tightening adjustment are met through the positioning fit between the conical fastening cap 40 and the corner end positioning hole 20 and the extension space fit of the limiting locking sinking recess 5, but the extension tightening stroke is slightly small, generally, the precision of the flexible circuit board can ensure the adjustment of the extension tightening stroke, the flexible circuit board with the tolerance exceeding the adjustment range also exists, in addition, a certain extension amount is released in the subsequent station operation process of the flexible circuit board, the subsequent stations of the flexible circuit board are more and more at present, and therefore the tightening stroke of the conical wall surface is slightly insufficient.
Aiming at the situation, the design of the elastic locking seat 6 is adopted, so that a certain elastic extension range can be increased, the compatibility of a carrier is improved, and the adaptive tightening and locking requirements of the flexible circuit board 2 within a certain tolerance range are met.
The tapered fastening cap 40 of the present invention is specifically described, and as shown in fig. 1 and fig. 6, it has a tapered annular wall, which is mainly matched with the corner end positioning hole 20 through the tapered annular wall, and the cap end of the tapered fastening cap can have various deformation adjustments, and it is within the protection scope of the present invention that only the tapered annular wall is included.
Under the optimization scheme, the scheme provides two specific embodiment schemes.
Example two
As shown in fig. 3 and 4, the carrier base 1 is provided with a hollow groove 7 for forming the elastic locking seat 6. The hollow-out grooves 7 are arc-shaped hollow-out grooves.
Specifically, after the hollow-out groove 7 is cut, the carrier base 1 generates an elastic locking seat 6 with a free end released, the elastic locking seat 6 generates a certain elastic deformation, when the locking piece 4 is pressed and connected with the corner end of the flexible circuit board for locking, a pulled-back elastic deformation amount is generated for the elastic locking seat 6, the elastic deformation amount can meet a certain elastic reset elastic force, the tightening effectiveness for a long time is maintained, and the extension tightening stroke amount is greatly increased.
It should be noted that the arc-shaped hollow-out groove is only one specific groove-shaped embodiment, and linear grooves, trapezoidal grooves, etc. may also be adopted, and it is only necessary to satisfy the requirement that the elastic locking seat 6 is provided with an elastic groove.
EXAMPLE III
As shown in fig. 5, the elastic locking base 6 is pivotally connected to the carrier base 1, and an elastic element 8 is disposed between the elastic locking base and the carrier base.
Specifically, the elastic locking seat 6 in the second embodiment is formed by cutting, and the elasticity thereof is mainly provided by the elasticity of the material of the carrier base 1, and generally, the elastic locking seat meets the requirement of repeated use, but the elastic locking seat 6 is inevitably broken after frequent and repeated use.
Therefore, a split type elastic locking seat 6 is adopted, the elastic locking seat is directly pivoted on the carrier base 1, elasticity is given through the elastic element 8, and after elastic fatigue, the requirement can be met by replacing the elastic element 8.
Example four
As shown in fig. 6, the limiting locking recess 5 is provided with a matching elastic sliding member 9 having a tightening elastic displacement, and the fastening member 4 is detachably locked on the matching elastic sliding member 9.
This embodiment achieves the requirement of the stretching elastic stroke by the mating elastic sliding piece 9, and the mating elastic sliding piece 9 is internally slidably mated, so as to meet the requirement of effective stretching maintenance.
Of course, other designs of the coupling elastic sliding member 9 may be adopted, for example, it has two sliding rods slidably coupled with the carrier base 1, and a spring is disposed between the carrier base 1 and the coupling elastic sliding member 9. The embodiment is a modification or extension scheme of the third embodiment, and the structure provided that the tightening elastic stroke of the matched elastic sliding piece 9 and the elastic locking seat 6 can be given is within the protection scope of the present application.
The scheme also has other technical point optimization:
specifically, the fastening member 4 and the limiting lock sinking recess are in threaded connection or buckled connection. The matching structure belongs to the prior art, generally adopts thread matching, specifically, a bolt pore channel is arranged in the limiting locking sinking recess, and the fastener is provided with a screw rod for being in threaded connection with the bolt pore channel. The thread matching meets the requirement of adjusting a certain stroke.
The locking requirements of the corner end can be satisfied by the modes of fastening, rivet, interference, etc., and the relative detachable locking structure of the fastener and the carrier base body 1 is within the protection scope of the present application.
In one embodiment, the bottom wall of the locking recess 5 is connected to an inclined transition wall 50.
Specifically, after the fastener 4 is pressed and locked on the corner end of the flexible circuit board 2, the corner end of the flexible circuit board 2 is bent, and for the purpose of smooth transition between the structural strength of the carrier and the bending of the corner end, the design of the inclined transition wall 50 is adopted, so that the contact protection can be generated on the bent back side of the flexible circuit board 2, and meanwhile, the structure of the carrier is firmer. The main function of the inclined transition wall 50 is to provide a space for the tapered fastening cap to straighten the flexible circuit board, because the flexible circuit board necessarily needs a certain space at the corner to deform the flexible circuit board during the straightening process, and simultaneously, the process problem caused by the corner tilting of the flexible circuit board is avoided. Of course, an arc-shaped chamfer can be designed between the inclined transition wall 50 and the supporting surface of the carrier base body 1, so as to meet the requirements of stable contact friction force and the like, and further improve the carrying and locking stability of the flexible circuit board 2.
Can discover through the above description, the utility model is used for flexible circuit board surface mounting produces the carrier of line, through tighten locking portion with spacing lock solid heavy concave phase cooperation satisfy tighten lock solid stability demand to flexible circuit board, the laminating is more reliable between flexible circuit board and the carrier base member simultaneously, possesses higher ground and carries on the planarization. Possess the elasticity locking seat that provides the elasticity stroke of tightening, can provide comparatively steadily continuation nature tightening tension, maintain the stability of tightening the lock more reliably in flexible circuit board production line operation. The mode of locking the diagonal ends of the fasteners is more convenient and faster, and flexible tension degree control is easy to realize. The positioning carrier is easy to manufacture, low in cost, long in service life and high in economic value. The user can increase the design density of the flexible circuit board and increase the use efficiency of raw materials and a production line.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (9)
1. A carrier for flexible circuit board surface mounting produces line, including the carrier base member, be equipped with a plurality of angle end locating holes on the flexible circuit board, its characterized in that:
the carrier base body is provided with tightening locking parts which correspond to the corner end positioning holes one by one,
the tightening and locking part comprises a fastener which is used for penetrating through the corner end positioning hole and detachably locked on the carrier base body, the fastener comprises a conical fastening cap which is matched with the corner end positioning hole, the maximum diameter of the conical fastening cap is larger than that of the corner end positioning hole,
and the carrier base body is provided with a limiting locking sinking groove which is used for being correspondingly matched with the fastener.
2. The carrier for a surface mounting production line of flexible printed circuit boards as claimed in claim 1, wherein:
the tightening locking part comprises an elastic locking seat which is arranged on the carrier base body and has tightening elastic displacement, and the elastic locking seat is provided with the limiting locking sinking.
3. The carrier for a surface mounting production line of flexible printed circuit boards as claimed in claim 2, wherein:
the carrier base body is provided with a hollow groove for forming the elastic locking seat.
4. The carrier for a surface mounting production line of flexible printed circuit boards as claimed in claim 3, wherein:
the hollow-out groove is an arc-shaped hollow-out groove.
5. The carrier for a surface mounting production line of flexible printed circuit boards as claimed in claim 2, wherein:
the elastic locking seat is in pivot connection with the carrier base, and an elastic element is arranged between the elastic locking seat and the carrier base.
6. The carrier for the surface mounting production line of the flexible circuit board as claimed in claim 1, wherein:
the limiting locking sinking groove is provided with a matching elastic sliding part with tightening elastic displacement, and the fastening piece is detachably locked on the matching elastic sliding part.
7. The carrier for a surface mounting production line of flexible printed circuit boards as claimed in claim 1, wherein:
the fastener and the limit locking sinking groove are in threaded connection or buckled connection.
8. The carrier for the flexible circuit board surface mounting production line as claimed in claim 7, wherein:
the limiting locking sinking concave is internally provided with a bolt hole, and the fastener is provided with a screw rod used for being in threaded connection with the bolt hole.
9. The carrier for a flexible circuit board surface mount production line of any one of claims 1~8,
the method is characterized in that:
the bottom wall of the limiting lock sinking recess is connected with an inclined transition wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221202186.5U CN217825859U (en) | 2022-05-19 | 2022-05-19 | Carrier for surface mounting production line of flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221202186.5U CN217825859U (en) | 2022-05-19 | 2022-05-19 | Carrier for surface mounting production line of flexible circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217825859U true CN217825859U (en) | 2022-11-15 |
Family
ID=83984043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221202186.5U Expired - Fee Related CN217825859U (en) | 2022-05-19 | 2022-05-19 | Carrier for surface mounting production line of flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217825859U (en) |
-
2022
- 2022-05-19 CN CN202221202186.5U patent/CN217825859U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221115 |