CN216087133U - Flexible circuit board tool of buckling - Google Patents
Flexible circuit board tool of buckling Download PDFInfo
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- CN216087133U CN216087133U CN202121975889.7U CN202121975889U CN216087133U CN 216087133 U CN216087133 U CN 216087133U CN 202121975889 U CN202121975889 U CN 202121975889U CN 216087133 U CN216087133 U CN 216087133U
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- flexible circuit
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Abstract
The utility model discloses a flexible circuit board bending jig which comprises a lower plate and an upper plate, wherein the upper plate is detachably connected with the lower plate through a connecting plate, a positioning groove matched with a glass cover plate with a module in size is formed in the surface of the lower plate, a groove is formed in the lower surface of the upper plate, the size of the groove is matched with a product to be processed, an air vent is formed in the upper surface of the upper plate and communicated with the area where the groove in the lower surface of the upper plate is located, a base plate is arranged below the lower plate, and the lower plate is detachably connected with the base plate. The utility model has convenient operation, accurate positioning, greatly improved processing efficiency and easy popularization.
Description
Technical Field
The utility model relates to the field of electronic product processing, in particular to a flexible circuit board bending jig.
Background
The flexible circuit board is a printed circuit board made of flexible insulating material. The flexible circuit board has the characteristics of high reliability and good flexibility, so that the flexible circuit board can be freely bent, wound and folded, and different requirements of electronic products on the shapes of the flexible circuit board are met. In addition, the flexible circuit board is light in weight and thin in thickness, so that the size and the weight of the electronic product are greatly reduced, and the development of the electronic product towards light weight, miniaturization and thinning is promoted. Therefore, the flexible circuit board is widely applied to the fields or products of mobile communication, computers, computer peripherals, digital cameras and the like.
In the manufacturing process of electronic products, the bending process of the flexible circuit board is the most important link.
In the conventional technology, the flexible circuit board is bent on the glass cover plate usually by means of manual bending by an operator. The double faced adhesive tape with high viscosity is adhered to the bent back of the flexible circuit board and the surface of the glass cover plate, and a worker bends and presses the flexible circuit board by hands to adhere the flexible circuit board to the surface of the glass cover plate, so that the flexible circuit board cannot rebound. However, the positioning is inaccurate in the bending process, deviation occurs in the attaching process, the position accuracy of the surface of the flexible circuit board and the surface of the glass cover plate is affected, the bending attaching process is difficult to perform again after the deviation attaching process is performed, the flexible circuit board is easy to damage, and the performance of an electronic product is affected.
Therefore, in order to overcome the defects of inaccurate positioning, easy deviation and low bending efficiency when the flexible circuit board is bent, a flexible circuit board bending jig needs to be developed and designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flexible circuit board bending jig to solve the problems of inaccurate bending position and low efficiency of the conventional flexible circuit board bending.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a flexible circuit board bending jig comprises a lower plate and an upper plate, wherein the upper plate is detachably connected with the lower plate through a connecting plate, a positioning groove matched with a glass cover plate connected with a flexible circuit board in size is formed in the surface of the lower plate, and the positioning groove is close to the side edge of the lower plate, close to the upper plate, of the lower plate; the lower surface of the upper plate is provided with a groove, the groove extends to the direction far away from the lower plate along the side edge of the upper plate close to the lower plate, and the size of the groove is matched with the viscous film placed in the groove; the upper surface of the upper plate is provided with a vent hole, and the vent hole is communicated with the area where the groove on the lower surface of the upper plate is located; the glass cover plate connected with the flexible circuit board is placed in a positioning groove formed in the surface of the lower plate, the flexible circuit board connected with the glass cover plate and extending out of the glass cover plate is placed on the surface of the film in a groove formed in the lower surface of the upper plate, and the upper plate is covered on the lower plate in an overturning manner.
According to the design concept of the utility model, the groove comprises a containing groove, a vent groove and a positioning boss; the lower surface of the upper plate is inwards recessed to form a containing groove for containing a sticky film, and the depth of the containing groove is consistent with the thickness of the film contained in the containing groove; a plurality of vent grooves are distributed below the containing groove, the vent grooves are communicated into a whole, the size of the communicated vent grooves is smaller than that of the containing groove, and steps are arranged between the vent grooves and the containing groove; the surface of the containing groove is provided with positioning bosses which are symmetrically distributed, and the heights of the positioning bosses are consistent with the depth of the containing groove.
According to the design concept of the utility model, four vertex angles of the containing groove extend outwards, and the shape of the containing groove is arc, circular, oval, triangular, rectangular or square; the vent hole is communicated with the vent groove, and the vent hole is positioned in the middle of the vent groove which is communicated into a whole.
According to the design concept of the utility model, the film is a flexible transparent film, the middle part of the flexible transparent film is bonded with glue, and the surface of the flexible transparent film is provided with a positioning hole matched with the positioning boss on the surface of the accommodating groove.
According to the design concept of the utility model, a base plate is arranged vertically below the lower plate, the lower plate and the base plate are detachably connected, threaded holes are formed in four corners of the lower plate, the same threaded holes are also formed in positions, corresponding to the four corners of the lower plate, of the base plate, the lower plate and the base plate are fixedly connected through screws, and the size of the base plate is consistent with that of the lower plate.
According to the design concept of the utility model, the base plate is positioned vertically below the lower plate, the lower plate and the base plate are integrally formed, and the size of the base plate is consistent with that of the lower plate.
According to the design concept of the utility model, the upper plate is detachably connected with the base plate through a connecting plate, one end of the connecting plate is fixed on the side surface of the base plate, and the other end of the connecting plate is connected with the upper plate through a rotating shaft.
According to the design concept of the utility model, the side edge of the positioning groove close to the groove and the other side edge parallel to the side edge are respectively provided with a notch for taking and placing the glass cover plate with the module in the positioning groove, and the depth of the notch is greater than that of the positioning groove.
According to the design concept of the utility model, the upper plate is provided with a handle.
According to the design concept of the utility model, a support frame is arranged vertically below the base plate, and the support frame is detachably connected with the base plate; the support frame comprises a support plate which is vertically arranged at two opposite upright ends of the lower surface of the base plate and is provided with a hollow structure and a bottom plate which is vertical to the support plate, and the support frame is detachably connected with the bottom plate.
Compared with the prior art, the utility model has the beneficial effects that:
in the process of implementing the utility model, when the flexible circuit board is bent, the film is placed in the groove, the external air exhaust device fixes the film in the groove through the vent hole on the upper surface of the upper plate, meanwhile, the glass cover plate connected with the flexible circuit board is placed in the positioning groove, the flexible circuit board connected with the glass cover plate and extending out of the glass cover plate is placed on the surface of the film, the upper plate is turned over to cover the lower plate, the air exhaust device is closed, and after static pressure is carried out for a period of time, the flexible circuit board is bent at the position corresponding to the glass cover plate; according to the process, the groove and the positioning groove are used for positioning the flexible circuit board in the bending process of the flexible circuit board, so that the flexible circuit board can be prevented from being inaccurate in bending position, and the yield of products is improved; this tool utilizes the upper plate to buckle the flexible line way board, and the effort size of exerting on the flexible line way board is unanimous, and is compared with manual the buckling, can not cause the flexible line way board because of the atress inequality the adhesion effect of buckling is not good, and then leads to the phenomenon of flexible line way board bounce-back.
The film used in the bending process is a flexible transparent film, the flexible transparent film has certain viscosity, and compared with the traditional double-sided adhesive tape, the flexible transparent film has lower viscosity, is easy to take down in the later process, and cannot damage the flexible circuit board; in addition, glue is adhered to the middle of the flexible transparent film, so that the viscosity of the flexible transparent film is increased, and the flexible circuit board is prevented from rebounding after being bent.
The groove on the lower surface of the upper plate comprises an accommodating groove, an air channel and a positioning boss which are matched with the film, the air channel is positioned below the accommodating groove and is communicated with the accommodating groove into a whole, the size of the communicated air channel is smaller than that of the accommodating groove, and a step is arranged between the air channel and the accommodating groove; the vent hole is positioned in the middle of the vent groove which is communicated into a whole, the vent hole is communicated with the vent groove, and the positioning boss is positioned on the surface of the containing groove and is matched with the positioning hole of the film placed in the containing groove. In the process of bending the flexible circuit board, the film is positioned with the positioning boss on the surface of the accommodating groove through the positioning hole on the surface, the flexible circuit board which is connected with the glass cover plate and extends out of the glass cover plate is placed on the surface of the film, the air exhaust device exhausts the film placed in the accommodating groove through the air exhaust hole, and the film is easily and firmly adsorbed in the accommodating groove because the air exhaust hole is communicated with the vent groove and is positioned below the accommodating groove; in the process, the film is accurately positioned by directly utilizing the positioning holes and the positioning bosses, manual positioning is not needed, and the positioning precision is high.
Drawings
FIG. 1 is a perspective view of the upper tray of the present invention shown open;
FIG. 2 is a detailed view of the point A in FIG. 1 according to the present invention;
fig. 3 is a perspective view of the flexible circuit board of the present invention in a bent state in a fixture.
Description of the symbols of the drawings:
1 upper plate, 2 lower plate, 3 backing plate, 4 connecting plates, 5 grooves, 6 air holes, 7 positioning grooves, 8 notches, 9 handles, 10 supporting frames, 51 accommodating grooves, 52 air grooves, 53 positioning bosses, 101 supporting plates and 102 bottom plates.
Detailed Description
The flexible circuit board bending jig disclosed by the utility model does not need manual positioning, is accurate in positioning and high in bending efficiency, and the yield of products is controlled to be more than 95%. The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
First, the surface of the glass cover plate in the present invention is connected with a flexible printed circuit, that is, one end of the flexible printed circuit is fixed on the glass cover plate, and the other end extends out of the glass cover plate.
As shown in fig. 1, the flexible circuit board bending jig comprises an upper plate 1 and a lower plate 2, wherein a base plate 3 is arranged vertically below the lower plate 2, and the size of the base plate 3 is consistent with that of the lower plate 2. The backing plate 3 and the lower plate 2 can be integrally formed and can also be detachably connected. The base plate 3 and the lower plate 2 are preferably detachably connected, threaded holes are formed in four corners of the lower plate 2, the same threaded holes are formed in positions, corresponding to the four corners of the lower plate 2, of the base plate 3, and the lower plate 2 is fixedly connected with the base plate 3 through screws.
The connecting plate 4 is arranged between the upper plate 1 and the backing plate 3, the upper plate 1 is detachably connected with the backing plate 3 through the connecting plate 4, one end of the connecting plate 4 is fixed on the side face of the backing plate 3, and the other end of the connecting plate is connected with the upper plate 1 through a rotating shaft. The connecting plate 4 can also be selectively arranged between the upper plate 1 and the lower plate 2, the upper plate 1 is detachably connected with the lower plate 2 through the connecting plate 4, one end of the connecting plate 4 is fixed on the side surface of the lower plate 2, and the other end of the connecting plate is connected with the upper plate 1 through a rotating shaft. In the present invention, it is preferable that the connecting plate 4 is disposed between the upper plate 1 and the backing plate 3.
The lower surface of the upper plate 1 is provided with a groove 5, the groove 5 extends towards the direction far away from the lower plate 2 along the side edge of the upper plate 1, close to the lower plate 2, of the upper plate 1, the size of the groove 5 is matched with the size of a sticky film placed in the groove, the film usually used in bending processing is a flexible transparent film, the flexible transparent film has certain stickiness, and compared with a traditional double-sided adhesive, the flexible transparent film is low in stickiness and easy to take down in later processes, and a flexible circuit board cannot be damaged; in addition, glue is adhered to the middle position of the flexible transparent film, so that the viscosity of the flexible transparent film is increased, and the flexible circuit board is prevented from rebounding after being bent; the upper surface of the upper plate 1 is provided with a vent hole 6, and the vent hole 6 is communicated with a groove 5 on the lower surface of the upper plate 1; the locating slot 7 has been seted up on the surface of inferior position board 2, the size of locating slot 7 and the size looks adaptation of placing the glass apron that is connected with the flexible line way board wherein, the locating slot 7 sets up and is being close to inferior position board 1 side that inferior position board 2 and superior position board 1 are close to mutually. In the flexible circuit board in-process of buckling, having sticky film to place in the recess 5, air exhaust device passes through aspirating hole 5 and adsorbs the film firmly in the recess, and the glass apron is placed in constant head tank 7, the flexible circuit board that links to each other and stretch out the glass apron is placed the surface of the film in the recess 5 that the lower surface of upper plate 1 was seted up, upper plate 1 covers through the pivot upset lower plate 2 is last, closes air exhaust device, and the adhesion of flexible circuit board is on the surface of glass apron under the effect that has sticky film, realizes the location and buckles.
As shown in fig. 2, the recess 5 includes a receiving groove 51, a vent groove 52 and a positioning boss 53. The accommodating groove 51 is a groove body formed by inwards recessing the lower surface of the upper plate 1 and used for placing a sticky film, and the depth of the accommodating groove 51 is consistent with the thickness of the film placed in the accommodating groove; a plurality of vent grooves 52 are distributed below the accommodating groove 51, the vent grooves 52 are communicated into a whole, the size of the communicated vent grooves 52 is smaller than that of the accommodating groove 52, and a step is formed between the vent grooves 52 and the accommodating groove 51; the surface of the accommodating groove 51 is provided with positioning bosses 53 which are symmetrically distributed, and the height of the positioning bosses 53 is consistent with the depth of the accommodating groove 51.
As shown in fig. 1 and 2, the vent holes 6 are communicated with the grooves 5, and air between the film and the accommodating groove 51 is extracted by connecting an air extractor, so that the film is prevented from falling off in the process of turning over the upper plate 1; further, in order to ensure that the film is uniformly stressed and firmly adsorbed in the accommodating groove 51, the vent hole 6 is communicated with the vent groove 52 which is integrally communicated, namely, the vent hole 6 can be communicated from any area of the vent groove 52, and the vent hole 6 is positioned at the middle position of the vent groove 51, so that the air between the film and the accommodating groove 51 is completely extracted through the vent groove 52 which is integrally communicated and the vent hole 6 which is communicated with the vent groove 52 in the air extraction process.
For preventing the film from being placed the crooked phenomenon of rake appears in the storage tank 51, reduces the processing degree of difficulty of tool, the four apex angle of storage tank 51 outwards extends, and the shape is arc, circular, ellipse, triangle, rectangle, square, guarantees that the film is placed smoothly completely in the storage tank 51.
In order to facilitate taking and placing of the glass cover plate in the positioning groove 7 during the bending process of the flexible circuit board, a notch 8 used for taking and placing the glass cover plate with the module in the positioning groove 7 is respectively arranged on the side edge of the positioning groove 7 close to the groove 5 and the other side edge parallel to the side edge, and the depth of the notch 8 is greater than that of the positioning groove 7.
The film placed in the containing groove 51 is a film with certain viscosity, and is used for fixing the bent flexible circuit board to prevent the flexible circuit board from rebounding after being bent. Preferably, the film is a flexible transparent film. Compared with double-sided adhesive tape, the flexible transparent film has lower viscosity, is convenient to remove in subsequent processes, and does not damage the structure of the bent flexible circuit board. In order to ensure that the flexible transparent film has enough viscosity, the middle part of the flexible transparent film is bonded with glue, the viscosity of the glue is larger than that of the flexible transparent film, one side of the flexible circuit board is placed on the surface of the flexible transparent film in the accommodating groove 51 in the process of bending the flexible circuit board, the two ends of the flexible circuit board on the side are respectively adhered to the two sides of the glue with larger viscosity, and after the flexible circuit board is bent, the flexible circuit board is bent and fixed on the surface of the glass cover plate under the action of the glue, so that the rebounding is not easy to generate. In addition, the surface of the flexible transparent film is provided with a positioning hole matched with the positioning boss 53, and the flexible transparent film is accurately positioned at the correct position through the interaction of the positioning hole and the positioning boss 53, so that the correct positioning of the flexible circuit board is ensured, and the bending yield of the flexible circuit board is improved. The process does not need manual positioning, and is simple to operate and high in bending efficiency.
As shown in fig. 1 to 3, when the flexible printed circuit board is bent, after the positioning hole on the surface of the flexible transparent film and the positioning boss 53 on the surface of the receiving groove 51 are accurately positioned, the flexible transparent film is placed in the receiving groove 51, then the air extractor firmly adsorbs the flexible transparent film in the receiving groove 51 through the vent hole 6 and the vent groove 52, then the glass cover plate connected with the flexible printed circuit board is placed in the positioning groove 7, the flexible printed circuit board connected with the glass cover plate and extending out of the glass cover plate is adhered on the surface of the flexible transparent film, the upper plate 1 is turned over to be pressed on the lower plate 2, the air extractor is closed to make the flexible transparent film adhered with the flexible printed circuit board fall off from the receiving groove 51, and the upper plate 1 applies uniform acting force to the flexible transparent film and the flexible printed circuit board on the surface of the flexible transparent film, the flexible transparent film is prevented from falling off from the surface of the cover plate due to uneven stress, and after the upper plate 1 is subjected to static pressure on the surface of the lower plate 2 for several seconds, the flexible circuit board is adhered to the corresponding position on the surface of the glass cover plate under the action of the flexible transparent film, so that positioning and bending are realized.
In order to conveniently turn over the upper plate 1, a handle 9 which is lifted by a human hand is arranged on the upper surface of the upper plate 1; in addition, in order to facilitate the hand to hold the handle 9 to turn over the upper plate 1, a support frame 10 detachably connected with the backing plate 3 is arranged vertically below the backing plate 3, and the support frame 10 raises the height of the jig, so that the jig is convenient to operate by hands, and the bending efficiency is improved; the support frame 10 comprises a support plate 101 which is vertically arranged on two opposite upright ends of the lower surface of the backing plate 3 and has a hollow structure, and a bottom plate 102 which is perpendicular to the support plate 101, wherein the support plate 101 is detachably connected with the bottom plate 102.
Claims (8)
1. The utility model provides a flexible line way board tool of buckling, includes lower board and upper position board, its characterized in that, the constant head tank is seted up on the surface of lower board, the upper position board with lower board is for dismantling the connection, the surface of upper position board is equipped with the recess, the recess includes storage tank, air channel and location boss, the shape and the size of recess and the product looks adaptation of pending processing.
2. The flexible printed circuit board bending jig according to claim 1, wherein a plurality of the vent grooves are distributed below the accommodating groove, the vent grooves are connected with each other, positioning bosses are symmetrically distributed on the surface of the accommodating groove, and the height of each positioning boss is consistent with the depth of the accommodating groove.
3. The flexible printed circuit bending jig of claim 1, wherein the upper plate and the lower plate are connected by a connecting plate.
4. The flexible printed circuit bending jig according to claim 1, wherein a pad is disposed under the lower plate, and the lower plate is detachably connected to the pad.
5. The flexible printed circuit bending jig according to claim 1, wherein a notch for picking and placing a product is formed in a side of the positioning groove, and the depth of the notch is greater than that of the positioning groove.
6. The flexible printed circuit bending jig according to claim 1, wherein a handle is disposed on the upper surface of the upper plate.
7. The flexible printed circuit bending jig according to claim 4, wherein a support frame is arranged vertically below the pad plate, and the support frame is detachably connected with the pad plate.
8. The flexible printed circuit bending jig according to claim 7, wherein the supporting frame comprises a supporting plate and a bottom plate, the supporting plate is of a hollow structure and is arranged in a direction perpendicular to the base plate, and the supporting frame is detachably connected with the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121975889.7U CN216087133U (en) | 2021-08-20 | 2021-08-20 | Flexible circuit board tool of buckling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121975889.7U CN216087133U (en) | 2021-08-20 | 2021-08-20 | Flexible circuit board tool of buckling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216087133U true CN216087133U (en) | 2022-03-18 |
Family
ID=80671224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121975889.7U Active CN216087133U (en) | 2021-08-20 | 2021-08-20 | Flexible circuit board tool of buckling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216087133U (en) |
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2021
- 2021-08-20 CN CN202121975889.7U patent/CN216087133U/en active Active
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