CN117858362B - Automobile-used FPC plate structure and film pressing equipment - Google Patents
Automobile-used FPC plate structure and film pressing equipment Download PDFInfo
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- CN117858362B CN117858362B CN202410258275.9A CN202410258275A CN117858362B CN 117858362 B CN117858362 B CN 117858362B CN 202410258275 A CN202410258275 A CN 202410258275A CN 117858362 B CN117858362 B CN 117858362B
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- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
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Abstract
The application discloses a vehicle FPC (flexible printed circuit) board structure and film pressing equipment, and relates to the technical field of automotive electronics, wherein the vehicle FPC board structure comprises two vehicle FPC single panels and a bearing film, and the two vehicle FPC single panels are connected through the bearing film to form the vehicle FPC board structure; the end face, connected with the bearing film, of the automotive FPC single panel is a PI face, and the end face, away from the bearing film, of the automotive FPC single panel is a copper face; the bearing film comprises a base film, two layers of antistatic adhesive and two layers of release films; the two anti-static adhesives are respectively positioned at two sides of the base film and are connected with the base film, the two release films are respectively connected with the two anti-static adhesives, and the release films are positioned at one sides corresponding to the anti-static adhesives and deviating from the base film. The application can improve the preparation efficiency of the automotive FPC single panel on the premise of ensuring the quality of the automotive FPC single panel.
Description
Technical Field
The application relates to the technical field of automobile electronics, in particular to an automobile FPC board structure and film pressing equipment.
Background
An FPC single-sided board (i.e., a flexible printed circuit board), which is one of circuit boards, is an important electronic component, which is composed of a flexible substrate and a circuit printed thereon, and has good flexibility and portability. The FPC single panel is a common component in the field of automobile electronics, is commonly applied to a vehicle brake control system and the like, and is used for controlling the mechanical structure in a vehicle.
The traditional automotive FPC single-sided board is usually produced by sheets, and the preparation process comprises the following steps: dry film pressing, exposure and DES. The sheet-shaped automotive FPC single-sided board is transported by the transportation equipment at certain intervals, so that the automotive FPC single-sided board sequentially passes through the film pressing equipment, the exposure equipment and the DES equipment, and the preparation of the automotive FPC single-sided board can be completed.
However, due to the vigorous development of the automobile industry, the requirements for the automotive FPC single panel are increased, and the traditional automotive FPC single panel has larger cost investment and lower preparation efficiency, so that the market requirements are difficult to meet.
Therefore, there is a need for a vehicle FPC single-sided structure, a manufacturing process and a film pressing apparatus that can improve the manufacturing efficiency while ensuring the quality.
Disclosure of Invention
The application provides a vehicle FPC board structure and film pressing equipment, which can improve the preparation efficiency of a vehicle FPC single panel on the premise of ensuring the quality of the vehicle FPC single panel.
On one hand, the application provides an FPC board structure for a vehicle, which adopts the following technical scheme:
The vehicle FPC board structure comprises two vehicle FPC single-panels and a bearing film, wherein the two vehicle FPC single-panels are connected through the bearing film to form the vehicle FPC board structure;
the end face, connected with the bearing film, of the automotive FPC single panel is a PI face, and the end face, away from the bearing film, of the automotive FPC single panel is a copper face;
the bearing film comprises a base film, two layers of antistatic adhesive and two layers of release films;
The two anti-static adhesives are respectively positioned at two sides of the base film and are connected with the base film, the two release films are respectively connected with the two anti-static adhesives, and the release films are positioned at one sides corresponding to the anti-static adhesives and deviating from the base film.
By adopting the technical scheme, after the automotive FPC single-sided boards are connected through the bearing film to form the automotive FPC board structure, the two automotive FPC single-sided boards can be conveniently subjected to subsequent preparation processes at the same time, so that the preparation efficiency of the automotive FPC single-sided boards can be improved; meanwhile, when two vehicle FPC single panels are formed by separation after the double-sided board is prepared, the vehicle FPC single panels and the bearing film can be peeled off through high temperature, and residual glue is not left on the vehicle FPC single panels after peeling, so that the quality of the vehicle FPC single panels can be ensured.
On the other hand, the application also provides film pressing equipment, which adopts the following technical scheme:
The film pressing equipment is used for preparing the FPC board structure for the vehicle and comprises a machine body, a film pressing device and a conveying device;
The film pressing device and the transporting device are arranged on the machine body, and the transporting device can drive the vehicle FPC board structure to transport in the machine body;
The film pressing device comprises two hot pressing assemblies and an adjusting assembly;
the hot pressing assembly comprises a hot pressing roller and two seat bodies;
the two hot-pressing rollers are respectively positioned at two sides of the same point of the vehicle FPC board structure and are respectively contacted with end surfaces of two sides of the vehicle FPC board structure, and the two hot-pressing rollers are symmetrically distributed relative to the vehicle FPC board structure; the two seat bodies are respectively arranged at two ends of the hot press roller, the seat bodies are in sliding connection with the machine body, the hot press roller is in rotary connection with the seat bodies, the rotation axis of the hot press roller is perpendicular to the sliding direction of the seat bodies, and the rotation axis of the hot press roller is perpendicular to the transportation direction of the vehicle FPC board structure;
the adjusting component comprises a plurality of elastic pieces and a plurality of deformation pieces with heat expansion and cold contraction performances;
The elastic piece and the deformation piece are arranged between the two base bodies of the different hot pressing assemblies and are located on one side of the vehicle FPC board structure, the elastic piece can drive the corresponding two base bodies to slide close, and the deformation piece is heated to drive the corresponding two base bodies to slide away.
By adopting the technical scheme, the hot pressing assembly is used for hot pressing and bonding the two dry films and the two side end surfaces of the vehicle FPC board structure, the adjusting assembly can be used for adjusting the pressure of the hot pressing roller when the hot pressing roller is used for hot pressing the vehicle FPC board structure according to the hot pressing temperature, the elastic piece drives the hot pressing roller to apply a certain pressure to the vehicle FPC board structure, and when the temperature is higher, the deformation piece is heated and expanded to a larger degree, so that the pressure of the hot pressing roller to the vehicle FPC board structure is driven to be reduced; when the temperature is lower, the deformation piece is smaller in the degree of thermal expansion, and the pressure of the hot pressing roller to the automobile FPC board structure is increased, so that the quality of the automobile FPC board structure pressing dry film can be improved, and the probability of unstable dry film adhesion and dry film heated breakage in the film pressing process is reduced.
Optionally, the adjusting assembly further includes a synchronizing gear, the synchronizing gear is disposed between two base bodies of different hot pressing assemblies and located at one side of the vehicle FPC board structure, the synchronizing gear is rotationally connected with the machine body, and a rotation axis of the synchronizing gear is parallel to a rotation axis of the hot pressing roller; and rack structures outwards extend from the two corresponding seat bodies of the synchronous gear, and the rack structures of the two seat bodies are meshed with the synchronous gear.
Through adopting above-mentioned technical scheme, can make two hot pressing rollers reverse and synchronous for the activity of automobile-used FPC plate structure to can make two hot pressing rollers more balanced to the pressure that automobile-used FPC plate structure different terminal surfaces were applyed, and then can further improve the quality of automobile-used FPC plate structure pressure dry film.
Optionally, the adjusting part still includes the regulation pole, the one end of regulation pole with synchronous gear connects, just the other end of regulation pole is located the organism deviates from the one side of automobile-used FPC plate structure.
Through adopting above-mentioned technical scheme, when automobile-used FPC plate structure needs to pass through from between two hot pressing rollers, control adjusts the pole and can control synchronous gear and rotate to control two hot pressing roller activities and keep away from the space that forms the automobile-used FPC plate structure and pass, make things convenient for the staff to accomplish the material loading of automobile-used FPC plate structure on the laminating equipment.
Optionally, the adjusting part further includes a heat conducting plate, the heat conducting plate is disposed on the machine body and is located on one side of the deformation piece, which is close to the vehicle FPC board structure, one side of the heat conducting plate is in contact with the deformation piece, one side of the heat conducting plate, which is away from the deformation piece, is in contact with two hot pressing rollers, and heat of the hot pressing rollers can be transferred to the deformation piece through the heat conducting plate.
Through adopting above-mentioned technical scheme, can make things convenient for deformation spare to change along with hot pressing roller to the hot pressing temperature of automobile-used FPC plate structure, improve the sensitivity of deformation spare expend with heat and contract with cold to can improve the effect that hot pressing pressure changes along with hot pressing temperature change.
Optionally, the heat-conducting plate and the machine body enclose to form a closed space, and the deformation piece is located in the closed space.
By adopting the technical scheme, the sensitivity and the reliability of the thermal expansion and contraction phenomenon of the deformation piece due to the influence of the hot pressing temperature can be further improved, so that the effect of the change of the hot pressing pressure along with the change of the hot pressing temperature can be further improved.
Optionally, the heat conducting plate is provided with two heat conducting points and a heat conducting wire;
the heat conduction points are positioned on one side of the heat conduction plate, which is away from the deformation piece, and the two heat conduction points are respectively contacted with the positions of the two hot pressing rollers, which are contacted with the vehicle FPC board structure;
the heat conducting wires are positioned on one side, close to the deformation piece, of the heat conducting plate, two ends of each heat conducting wire are connected with two heat conducting points respectively, and the distribution track of each heat conducting wire is matched with the shape of the end face, in contact with the deformation piece and the heat conducting plate, of each heat conducting wire.
By adopting the technical scheme, the heat on the hot pressing roller can be transferred to the heat conducting wire through the heat conducting point and finally transferred to the deformation piece, so that the heat transfer efficiency can be improved, and the reliability and the sensitivity of the deformation piece along with the temperature deformation can be improved; meanwhile, the heat transferred by the heat conducting plate on the hot pressing roller is concentrated at the position of the hot pressing roller after the hot pressing roller is in hot pressing contact with the automobile FPC board structure, so that the influence of the heat transfer of the heat conducting plate on the hot pressing effect of the automobile FPC board structure can be effectively reduced.
Optionally, the adjusting component further comprises a plurality of moving parts, the moving parts are movably connected with the machine body, and the moving direction of the moving parts is parallel to the sliding direction of the seat body;
The movable pieces are positioned between two seat bodies of different hot pressing assemblies and are connected with the seat bodies through the elastic pieces, and a plurality of movable pieces are symmetrically distributed relative to the vehicle FPC board structure; when the two movable parts with symmetrical positions are movably close to each other, the pressure of the two hot pressing rollers on the vehicle FPC board structure is increased.
Through adopting above-mentioned technical scheme, two moving parts activities of control position symmetry can be adjusted the pressure interval that the hot pressing roller applyed to automobile-used FPC plate structure to can make hot pressing pressure adapt to the demand of different automobile-used FPC single panels, and then can improve the film pressing effect to different automobile-used FPC single panels.
Optionally, the adjusting component further comprises a plurality of extrusions, the extrusions are in sliding connection with the machine body, the extrusions are respectively located at two sides of the deformation piece, and the extrusions are located between the adjacent movable piece and the deformation piece;
The deformation piece is elastic, and one end of the extrusion piece, which is close to the movable piece, and one end of the movable piece, which is close to the extrusion piece, are respectively provided with guide surfaces which are kept in contact with each other; when the two symmetrical movable pieces are moved close, the extrusion piece slides along with the movable pieces to extrude the deformation piece, and the contact acting force between the deformation piece and the heat conducting plate is increased.
Through adopting above-mentioned technical scheme, the greater the hot pressing pressure that automobile-used FPC plate structure received, the deformation piece receives the extrusion degree of extrusion piece also greater, and the deformation piece receives the extrusion back better with the contact effect of heat-conducting plate, the heat transfer of heat-conducting plate from the heat compression roller on to the deformation piece on the effect better to can make deformation piece heat deformation more sensitive, make deformation piece can change along with temperature variation more rapidly and guarantee the hot pressing effect that automobile-used FPC plate structure received.
In summary, the present application includes at least one of the following beneficial effects:
1. the preparation efficiency of the automotive FPC single panel can be improved on the premise of ensuring the quality of the automotive FPC single panel, the input cost is reduced, and the income is improved;
2. the efficiency and quality of the press-drying film of the automotive FPC single panel can be effectively improved, and the probability of occurrence of the conditions of overheating and damage of a dry film and infirm adhesion of the dry film in the process of press-drying the film is reduced;
3. The hot pressing effect of the automotive FPC single-sided board on the automotive FPC board structure tends to be balanced, and the efficiency of pressing the dry film is improved on the premise of guaranteeing the dry film pressing effect;
4. The effect that the deformation piece is changed due to temperature change can be improved, and the reliability of the adjustment assembly for adjusting the hot-pressing effect of the hot-pressing assembly on the automotive FPC single panel is improved;
5. The utility model discloses make things convenient for the staff to adjust the effort size that automobile-used FPC single face board applyed in the hot pressing assembly hot pressing process, make the press mold equipment can adapt to the press dry membrane demand of automobile-used single face FPC board of different hot pressing demands.
Drawings
FIG. 1 is a schematic view of a structure of a vehicular FPC board in an embodiment of the present application;
FIG. 2 is a schematic view of a structure of a side of a film pressing apparatus according to an embodiment of the present application;
FIG. 3 is a schematic view of another side of the film pressing apparatus according to the embodiment of the present application;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a partial cross-sectional view taken along line B-B in FIG. 3;
FIG. 6 is a schematic illustration of the thermal conduction of a thermal plate in an embodiment of the application;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 4;
fig. 8 is a sectional view taken along line D-D in fig. 4.
Reference numerals illustrate: 1. vehicle FPC board structure; 11. automotive FPC single panel; 111. PI (proportional plus) surface; 112. copper surfaces; 12. a carrier film; 121. a base film; 122. antistatic glue; 123. a release film; 2. a body; 21. a fixing seat; 3. a transport device; 31. a transport roller; 4. a film pressing device; 5. a hot pressing assembly; 51. a hot press roll; 52. a base; 6. an adjustment assembly; 61. an elastic member; 62. a movable member; 621. a control end; 63. adjusting a screw; 64. a deforming member; 65. a heat conductive plate; 651. a heat conduction point; 652. a heat conductive wire; 66. an extrusion; 661. an extrusion part; 662. a guide part; 67. a synchronizing gear; 68. an adjusting rod; 7. a closed space; 8. a guide surface.
Detailed Description
The application is described in further detail below with reference to fig. 1-8.
Referring to fig. 1, an embodiment of the present application discloses a structure of an FPC board for a vehicle, which is a structure capable of improving the manufacturing efficiency of the FPC single-sided board 11 for a vehicle on the premise of ensuring the quality of the FPC single-sided board 11 for a vehicle.
The automobile-used FPC plate structure 1 includes two-layer automobile-used FPC unilateral board 11 and one deck carrier film 12, and automobile-used FPC unilateral board 11 and carrier film 12 all are rectangular ribbon structure, and two automobile-used FPC unilateral board 11 are attached respectively in the both sides of carrier film 12 can form automobile-used FPC plate structure 1, and automobile-used FPC plate structure 1 also is the rectangular ribbon structure that can the rolling.
The vehicle FPC single-sided board 11 has PI surfaces 111 and copper surfaces 112 on both side end surfaces thereof. The automotive FPC single panel 11 is fixedly connected to one side end surface of the carrier film 12 by using the PI surface 111 as a contact surface, and the copper surface 112 is used for forming a circuit to provide electrical performance for a final product. In this embodiment, since the FPC single-sided board 11 for the vehicle is a common technology in the art, the description thereof is omitted herein, and only the schematic representation thereof is shown in the drawings.
The carrier film 12 includes, from inside to outside, a base film 121, two layers of antistatic adhesive 122, and two layers of release film 123. Wherein, the base film 121 is a central layer, two layers of antistatic adhesive 122 are respectively located at two sides of the base film 121, two layers of release films 123 are respectively located at one sides of the two layers of antistatic adhesive away from the base film 121, and the carrier film 12 is fixedly connected with the PI surface 111 of the vehicle FPC single-sided board 11 through the release films 123. In this embodiment, it is preferable that the base film 121 is a polyester film 13 μm thick, the antistatic adhesive 122 is a high temperature resistant acrylate pressure sensitive adhesive 5 μm thick, and the thickness of the release film 123 is 25 μm; since the release film 123 is a common prior art, it is not described herein in detail, and the carrier film 12 is only schematically shown in the drawings.
The embodiment of the application also discloses a preparation process which can prepare the automotive FPC single panel 11 in the form of the automotive FPC board structure 1, and comprises the following steps:
S1, combining.
And using a film pressing and tearing integrated machine based on a roll-to-roll process to press films of the two layers of the automotive FPC single-sided board 11 and the one layer of the bearing film 12 to form the automotive FPC board structure 1.
S2, double-sided dry film pressing.
A film press based on a roll-to-roll process is used to thermally press and adhere a dry film on the copper surface 112 of the two-layer automotive FPC single panel 11 on the automotive FPC board structure 1.
S3, double-sided exposure.
The double-sided exposure treatment is performed on the vehicle FPC board structure 1 after double-sided dry film pressing using an exposure machine based on a roll-to-roll process.
And S4, developing, etching and film stripping are carried out on the basis of a roll-to-roll process.
The vehicle FPC board structure 1 after the double-sided exposure treatment is sequentially developed, etched, and film removed using a developing/etching/film removing apparatus based on a roll-to-roll process.
S5, performing automatic optical inspection based on a roll-to-roll process.
And automatic optical inspection equipment is used for automatically and optically detecting the vehicle FPC board structure 1 after development, etching and demolding treatment based on a reel-to-reel process, so that the quality of the vehicle FPC board structure 1 is ensured.
S6, baking.
The FPC board structure 1 for the vehicle after the automatic optical inspection is baked using a baking apparatus (such as an oven, a toaster, a tunnel oven, etc.).
S7, separating.
Separating the two layers of automotive FPC single-sided boards 11 on the automotive FPC board structure 1 from the carrier film 12 by using a film pressing and tearing integrated machine based on a roll-to-roll process to obtain two layers of prepared automotive FPC single-sided boards 11;
In this process, because of the special structure of the carrier film 12, the carrier film has the characteristic of easy peeling after being heated, can conveniently cool and peel off the vehicle FPC board structure 1 after being baked, reduces the probability of residual glue remained on the surface of the vehicle FPC single panel 11 after being peeled off, and can improve the quality of the vehicle FPC single panel 11 after being separated.
Through the preparation process, the preparation of the two-layer vehicle FPC single-sided board 11 can be completed simultaneously, and the vehicle FPC single-sided board 11 prepared simultaneously has higher quality, so that the preparation efficiency of the vehicle FPC single-sided board 11 can be improved on the premise of ensuring the quality of the vehicle FPC single-sided board 11.
Referring to fig. 2 and 3, the embodiment of the application further discloses a film pressing device, which is used for preparing the above-mentioned FPC board structure 1 for vehicles, and is applied to the step S2 (namely, double-sided dry film pressing) of the preparation process, so that the effect of dry film pressing can be improved, and the quality of the FPC single-sided board can be ensured on the premise of improving the preparation efficiency of the FPC single-sided board 11 for vehicles.
The film pressing equipment comprises a machine body 2, a conveying device 3 and a film pressing device 4.
The inside of the machine body 2 is provided with a space for the vehicle FPC board structure 1 to transport and press dry films, the transport device 3 and the film pressing device 4 are installed based on the machine body 2, and the transport device 3 is used for driving the vehicle FPC board structure 1 to move according to a certain line track and enabling the vehicle FPC board structure 1 to finish the operation of pasting dry films on the end faces of two sides in the transport process; the film pressing device 4 is used for performing film pressing operation on the FPC board structure after the dry films are pasted on the end faces of the two sides in the transportation process of the FPC board structure 1.
The conveying device 3 comprises a plurality of conveying rollers 31, and the conveying rollers 31 are controlled to rotate by driving parts, so that the vehicle FPC board structure 1 moves in the machine body 2 according to a certain line track and the dry film pasting operation is completed. In this embodiment, since the transporting device 3 on the film pressing apparatus is a common prior art, the description thereof is omitted herein, and only two transporting rollers 31 in front of and behind the film pressing apparatus 4 are shown in the drawings, and other structures of the transporting device 3 are omitted.
In the present embodiment, for convenience of the following description, it is preferable that the transport direction of the portion of the FPC board structure 1 for the vehicle passing through the film laminating device 4 is horizontal; in other embodiments, the vehicle FPC board structure 1 is transported in a different direction.
Referring to fig. 2 and 4, the film pressing device 4 includes two hot pressing assemblies 5 and one adjusting assembly 6.
The two hot pressing assemblies 5 are respectively located above and below the vehicle FPC board structure 1 and are respectively used for hot pressing the upper end face and the lower end face of the vehicle FPC board structure 1, so that the dry films attached to the upper end face and the lower end face of the vehicle FPC board structure 1 are bonded with the vehicle FPC board structure 1 through hot pressing.
The thermo-compression assembly 5 comprises a thermo-compression roller 51 and two housings 52.
The whole hot pressing roller 51 is of a cylindrical structure, the whole hot pressing roller 51 is conductive, two ends of the hot pressing roller 51 are externally connected with a power supply, and the hot pressing roller 51 generates heat after being electrified (the same as the electric heating wire principle). The circumferential surface of the hot pressing roller 51 is provided with a layer of heat conducting silica gel, which is used for transferring the heat of the hot pressing roller 51 to a dry film attached to the surface of the vehicle FPC board structure 1, and the dry film is adhered to the end face of the vehicle FPC board structure 1 after being heated. In the present embodiment, since the thermo-compression roller 51 according to the above principle is a common prior art, the details thereof are not described herein, and only the details thereof are schematically shown in the drawings, and the related structure of the external power source is omitted in the drawings.
The two ends of the hot press roller 51 in the axial direction are provided with extension shaft bodies, the two seat bodies 52 are respectively arranged on the extension shaft bodies at the two ends of the hot press roller 51 in the axial direction, the hot press roller 51 is rotationally connected with the seat bodies 52, and the rotation axis of the hot press roller 51 is overlapped with the axis of the hot press roller.
The two hot-pressing rollers 51 are respectively contacted and propped against the end surfaces of the two sides of the vehicle FPC board structure 1, and when the transportation device 3 drives the vehicle FPC board structure 1 to move in a transportation way, the vehicle FPC board structure 1 can drive the two hot-pressing rollers 51 contacted with the end surfaces to synchronously and reversely rotate.
The whole body 52 is in a rectangular plate-shaped structure, the two bodies 52 are both arranged on the machine body 2, the length direction of the body 52 is parallel to the transportation direction of the FPC board structure 1 for the vehicle after the body 52 is arranged on the machine body 2, and the body 52 and the machine body 2 are in sliding connection with the machine body 2 along the direction perpendicular to the rotation axis of the hot-pressing roller 51. In the present embodiment, it is preferable that the sliding direction of the housing 52 is vertical, and at this time, the rotation axis of the heat pressing roller 51 is perpendicular to the transportation direction of the FPC board structure 1 for the vehicle.
The two hot pressing assemblies 5 are symmetrically distributed on the upper and lower sides of the vehicle FPC board structure 1 relative to the horizontal plane where the vehicle FPC board structure 1 is located, and the hot pressing effects of the two hot pressing assemblies 5 on the dry films on the two side end faces of the vehicle FPC board structure 1 tend to be equal.
Referring to fig. 3 and 5, the adjustment assembly 6 includes a number of elastic members 61 and a number of movable members 62.
The elastic pieces 61 and the movable pieces 62 are all installed in the body 2 at one side of the vehicle FPC board structure 1, and the elastic pieces 61 and the movable pieces 62 are in one-to-one correspondence. In this embodiment, the adjusting assembly 6 preferably includes four elastic members 61 and four movable members 62.
One end of each of the four elastic members 61 is fixedly connected with each of the four movable members 62, the other end of each of the four elastic members 61 is fixedly connected with the two base bodies 52 located on the same side of the machine body 2, and each of the four elastic members 61 and the four movable members 62 is located between the two base bodies 52 located on the same side of the machine body 2.
Each base 52 is connected with two elastic members 61, and the two elastic members 61 are respectively connected with two ends of the base 52 in the length direction. In this embodiment, the elastic member 61 is preferably a tension spring, and the elastic member 61 can drive the two seats 52 located on the same side of the machine body 2 to slide in opposite directions, so that the two heat pressing rollers 51 move in opposite directions to apply a force to the two end faces of the FPC board structure 1 for the vehicle.
The movable member 62 is movably connected to a side of the body 2 adjacent to the body, the moving direction of the movable member 62 is parallel to the sliding direction of the seat 52, and the two movable members 62 in the same vertical direction are symmetrically distributed relative to the horizontal plane of the FPC board structure 1 for the vehicle.
The movable piece 62 extends towards the direction away from the vehicle FPC board structure 1, a control end 621 is provided for controlling the movable piece 62 to move, and the control end 621 penetrates out of the machine body 2 to be exposed at one side of the machine body 2. Correspondingly, the machine body 2 is provided with a moving groove for the control end 621 to move along with the movement of the movable piece 62.
The machine body 2 has two fixing seats 21 on one side of the exposed control end 621, the two fixing seats 21 respectively correspond to the two groups of movable pieces 62 (the two movable pieces 62 in the same vertical direction are one group), the fixing seats 21 are located between the two corresponding control ends 621, the two control ends 621 in the same vertical direction are symmetrically distributed relative to the corresponding fixing seats 21, and the fixing seats 21 are aligned with the vehicle FPC board structure 1 along the horizontal direction.
The fixed seat 21 is rotatably connected with an adjusting screw 63, and the axis of the adjusting screw 63 is vertical and the rotation axis coincides with the axis of the adjusting screw 63, so as to simultaneously adjust and control the movement of the two movable pieces 62 corresponding to the fixed seat 21. The adjusting screw 63 is penetrated by two corresponding control ends 621 at the same time, the adjusting screw 63 is in threaded fit with the two control ends 621 at the same time, and the threaded directions of the adjusting screw 63 and the threaded fit of the different control ends 621 are different.
At this time, the two movable members 62 can be controlled to move in a reverse synchronization manner relative to the machine body 2 by controlling the rotation of the adjusting screw 63, so that the distance between the two movable members 62 and the adjacent seat body 52 can be changed, and the corresponding elastic member 61 can be controlled to extend or shorten, thereby realizing the effect of controlling the acting force of the hot-pressing roller 51 on the end face of the vehicle FPC board structure 1.
After the corresponding two movable pieces 62 are driven to move oppositely by controlling the rotation of the adjusting screw 63, the trend of the corresponding two elastic pieces 61 stretching to drive the corresponding two seat bodies 52 to slide oppositely is enhanced, and the acting force applied by the two hot-pressing rollers 51 to the two side end surfaces of the vehicle FPC board structure 1 is increased; after the two corresponding movable pieces 62 are driven to move reversely by controlling the rotation of the adjusting screw 63, the tendency that the two corresponding elastic pieces 61 are driven to slide in opposite directions by compression is weakened, and at the moment, the acting force applied by the two hot-pressing rollers 51 to the two side end faces of the vehicle FPC board structure 1 is reduced.
Referring to fig. 4 and 5, the adjustment assembly 6 further includes a deforming member 64 and a heat conductive plate 65.
The deformation member 64 has the properties of elasticity and strong thermal expansion and contraction, the deformation member 64 can be elastically deformed after being extruded and can be automatically recovered after being extruded and eliminated, and the deformation member 64 can expand under a high-temperature environment to increase the occupied volume. In this embodiment, the deforming member 64 is preferably a high temperature resistant rubber material; since rubber materials capable of withstanding temperatures above 100 ℃ are common prior art, the materials are not further limited herein.
The deformation member 64 has a rectangular structure as a whole, and the deformation member 64 is mounted inside the machine body 2, between the two seat bodies 52 and between the two movable members 62. In this embodiment, the space where the deformation member 64 is located inside the machine body 2 and the space where the two sets of moving members 62 are located inside the machine body 2 are preferably independent from each other, and each has an opening communicating with the space inside the machine body 2 for transporting the FPC board structure 1 for the vehicle.
The upper and lower ends of the deforming member 64 are respectively contacted and abutted against the corresponding two seat bodies 52, and the deforming member 64 has an inhibiting effect on the tendency of the corresponding two seat bodies 52 to slide in opposite directions. At this time, the force applied to the FPC board structure 1 for the vehicle during the heat pressing process is closely related to the force of the elastic member 61 and the restraining effect of the deformation member 64.
When the hot pressing roller 51 increases the hot pressing temperature of the FPC board structure 1 for the vehicle, the deformation member 64 is increased under the influence of temperature, and the inhibition effect of the trend of the two corresponding seats 52 sliding towards each other is enhanced after the deformation member is heated and expanded, so that the hot pressing roller 51 can hot press the FPC board structure 1 for the vehicle at a higher hot pressing temperature with the weakened hot pressing pressure, and the quality of the dry film pressed on the FPC board structure 1 for the vehicle can be improved; when the hot pressing temperature of the hot pressing roller 51 to the FPC board structure 1 for the vehicle is reduced, the deformation member 64 is reduced under the influence of temperature, and the inhibition effect of the trend of sliding the two corresponding seats 52 in opposite directions is reduced after the deformation member is heated and expanded, so that the hot pressing roller 51 can hot press the FPC board structure 1 for the vehicle at a lower hot pressing temperature under the enhanced hot pressing pressure, and the quality of the dry film pressed on the FPC board structure 1 for the vehicle can be improved as well.
Referring to fig. 4 and 6, the heat conducting plate 65 has a rectangular plate structure as a whole, the heat conducting plate 65 is fixedly mounted on one side of the body 2 where the deformation member 64 is located in a position state where the length direction is vertical, and the heat conducting plate 65 is located on one side of the deformation member 64 close to the FPC board structure 1 for the vehicle. The heat conducting plate 65, the machine body 2 and the two corresponding seat bodies 52 jointly enclose to form a closed space 7, the deformation piece 64 is positioned in the closed space 7, the deformation piece 64 fills the closed space 7, and one side end surface of the deformation piece 64, which is close to the vehicle FPC board structure 1, is abutted against the end surface of the heat conducting plate 65. In this embodiment, the heat conducting plate 65 is preferably made of a metal material (such as aluminum) with good heat conducting effect, and the heat on the heat pressing roller 51 can be transferred to the heat conducting plate 65, and then the heat conducting plate 65 transfers the heat to the deformation member 64, so that the deformation member 64 realizes the effect of volume change along with temperature change.
The heat conductive plate 65 has two heat conductive points 651 and one heat conductive wire 652.
The two heat conduction points 651 are located on one side of the heat conduction plate 65 away from the deformation piece 64, the two heat conduction points 651 are respectively close to two ends of the heat conduction plate 65 in the length direction, and the ends of the two heat conduction points 651 away from the heat conduction plate 65 are respectively contacted and abutted with one side end face of the two hot pressing rollers 51 close to the deformation piece 64.
The contact position between the upper heat conduction point 651 and the upper heat pressing roller 51 is located near the bottom and is offset along the transportation direction of the FPC board structure 1, and the position is the position to which the upper heat pressing roller 51 rotates after the heat pressing contact with the FPC board structure 1 is finished, so that the heat of the heat pressing roller 51 is less influenced on the heat pressing effect of the heat pressing roller 51 on the following FPC board structure 1 after being transferred through the heat conduction point 651;
The contact position between the heat conduction point 651 located below and the heat pressing roller 51 located below is located near the top and is offset along the transportation direction of the FPC board structure 1 for the vehicle, and the position is the position to which the heat pressing roller 51 located below rotates after the heat pressing contact with the FPC board structure 1 for the vehicle is finished, so that the heat of the heat pressing roller 51 is less influenced on the heat pressing effect of the heat pressing roller 51 on the following FPC board structure 1 for the vehicle after being transmitted through the heat conduction point 651.
The heat conductive wire 652 is located at a side of the heat conductive plate 65 near the deforming member 64, and the heat conductive wire 652 is in contact with an end surface of the deforming member 64. The track of the heat conducting wire 652 is uniformly distributed on the end face of the deforming member 64 along the projection perpendicular to the end face of the deforming member 64, and the two ends of the heat conducting wire 652 are respectively connected with the two heat conducting points 651, so that the heat transferred from the two hot pressing rollers 51 by the heat conducting points 651 can be uniformly transferred to the deforming member 64 through the heat conducting wire 652. In this embodiment, the track of the heat conducting wire 652 is preferably serpentine, and the heat conducting spot 651 and the heat conducting wire 652 are preferably made of a metal material (such as copper) having a better heat conducting effect than the heat conducting plate 65.
Referring to fig. 5 and 7, the adjustment assembly 6 also includes two extrusions 66.
The extrusion members 66 are integrally in a T-shaped structure, and the two extrusion members 66 are mounted on one side of the body 2 where the deformation members 64 are located and are located on two sides of the deformation members 64 respectively.
The pressing member 66 is slidably connected to the body 2, and the sliding direction of the pressing member 66 is parallel to the transportation direction of the FPC board structure 1 for the vehicle. One end of the extrusion 66 close to the deformation piece 64 is provided with an extrusion part 661, and the extrusion part 661 is attached and abutted with one side end surface of the deformation piece 64; the end of the pressing member 66 remote from the deforming member 64 has a guide portion 662, and the guide portion 662 is located between the two movable members 62 on one side of the deforming member 64.
The movable members 62 are provided with inclined guide surfaces 8 at positions close to the guide portions 662, the guide portions 662 are provided with two inclined guide surfaces 8 at positions close to the adjacent movable members 62, and the two guide surfaces 8 on the guide portions 662 are matched with the guide surfaces 8 on the corresponding two movable members 62.
After the two movable pieces 62 are controlled to move close, the two movable pieces 62 drive the extrusion 66 to slide towards the direction close to the deformation piece 64 through the guide surface 8, so that the extrusion effect on the deformation piece 64 is enhanced; after the two movable pieces 62 are controlled to move away, a space is reserved between the two movable pieces 62 for the pressing piece 66 to slide away from the deformation piece 64, and the pressing piece 66 slides away from the deformation piece 64 under the recovery of elastic deformation of the deformation piece 64, so that the pressing effect of the pressing piece on the deformation piece 64 is reduced.
When the two movable members 62 are moved closer together, the hot pressing pressure of the hot pressing roller 51 on the FPC board structure 1 for the vehicle is increased, and the requirement for the capacity of the deformation member 64 for volume change along with temperature change is also greater; at this time, after the deforming member 64 is pressed by the pressing member 66, the suppressing effect of the deforming member 64 against the sliding tendency of the two bases toward each other is enhanced, and the contact effect of the deforming member 64 with the heat conductive plate 65 is also enhanced, so that the capacity of the deforming member 64 for volume change with temperature change can be enhanced to meet the above-described demand.
Referring to fig. 4 and 8, the adjusting assembly 6 further includes a synchronizing gear 67, wherein the synchronizing gear 67 is mounted on the machine body 2 and located on a side of the machine body 2 away from the deforming member 64, and the synchronizing gear 67 is located between the two seats 52 on the same side of the machine body 2.
The synchronizing gear 67 is rotatably connected with the machine body 2, the rotation axis of the synchronizing gear 67 coincides with the axis of the synchronizing gear 67 and is parallel to the rotation axis of the hot pressing roller 51, and the rotation axis of the synchronizing gear 67 is aligned with the horizontal plane where the FPC board structure 1 for the vehicle is located.
The base 52 above the synchronous gear 67 extends downwards in the vertical direction to form a rack structure, the base 52 below the synchronous gear 67 extends upwards in the vertical direction to form a rack structure, and the rack structures on the two base 52 are respectively located at two sides of the horizontal direction of the synchronous gear 67 and are meshed with the synchronous gear 67. The synchronizing gear 67 can improve the sliding synchronizing rate of the two seats 52 above and below the synchronizing gear, so that the hot pressing effect of the two hot pressing rollers 51 on the two side end surfaces of the FPC board structure 1 for the vehicle is more balanced.
The adjusting assembly 6 further comprises an adjusting rod 68, the adjusting rod 68 is of a rod-shaped structure, one end of the adjusting rod 68 in the length direction penetrates into the machine body 2 to be fixedly connected with the synchronous gear 67, and the axis of the adjusting rod 68 is coincident with the rotation axis of the synchronous gear 67; the other end of the adjusting lever 68 in the length direction is located outside the machine body 2, and has a handle structure that facilitates the rotation of the synchronizing gear 67 by a worker through the adjusting lever 68. In this embodiment, it is preferable that the adjusting lever 68 is rotatably connected to the machine body 2 with its own axis as a rotation axis, and the synchronizing gear 67 is rotatably connected to the machine body 2 by the adjusting lever 68.
When the new FPC board structure 1 for the vehicle needs to pass through between the two hot-pressing rollers 51 under the transportation of the transportation device 3, a worker can control the synchronous gear 67 to rotate through the adjusting rod 68 to drive the corresponding two seat bodies 52 to slide back to back so as to enlarge the distance between the two hot-pressing rollers 51, so that the operation is conveniently completed.
The embodiment of the application relates to an FPC board structure for a vehicle and an implementation principle of film pressing equipment, which are as follows:
The two layers of automotive FPC single-panel 11 are combined through the bearing film 12 to form the automotive FPC panel structure 1, so that the two layers of automotive FPC single-panel 11 can be conveniently and simultaneously prepared at the subsequent time, and the preparation efficiency of the automotive FPC single-panel 11 can be improved on the premise of ensuring the quality of the automotive FPC single-panel 11;
the preparation process is designed according to the automobile-used FPC plate structure 1, can guarantee the preparation quality of automobile-used FPC single face board 11 under the prerequisite that improves automobile-used FPC single face board 11's preparation efficiency, especially on pasting dry film step, can carry out hot pressing to automobile-used FPC single face board 11 of two-layer on the automobile-used FPC plate structure 1 with different pressures according to different hot pressing temperature, improves pasting dry film effect to automobile-used FPC single face board 11, reduces and pastes the dry film in-process and damage because of the too big dry film of pressure and because of the too little probability that leads to the adhesion infirm of pressure.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. The film pressing equipment is applied to a vehicle FPC board structure (1), the vehicle FPC board structure (1) comprises two vehicle FPC single-face boards (11) and a bearing film (12), and the two vehicle FPC single-face boards (11) are connected through the bearing film (12) to form the vehicle FPC board structure (1);
the end face, connected with the bearing film (12), of the automotive FPC single-sided board (11) is a PI face (111), and the end face, deviating from the bearing film (12), of the automotive FPC single-sided board (11) is a copper face (112);
The bearing film (12) comprises a base film (121), two layers of antistatic adhesive (122) and two layers of release films (123);
The two anti-static adhesives (122) are respectively positioned at two sides of the base film (121) and are connected with the base film (121), the two release films (123) are respectively connected with the two anti-static adhesives (122), and the release films (123) are positioned at one side, which is opposite to the base film (121), corresponding to the anti-static adhesives (122);
the film pressing equipment is characterized by comprising a machine body (2), a film pressing device (4) and a conveying device (3);
The film pressing device (4) and the transporting device (3) are arranged on the machine body (2), and the transporting device (3) can drive the vehicle FPC board structure (1) to be transported in the machine body (2);
the film pressing device (4) comprises two hot pressing assemblies (5) and an adjusting assembly (6);
The hot pressing assembly (5) comprises a hot pressing roller (51) and two seat bodies (52);
The two hot pressing rollers (51) are respectively positioned at two sides of the same point of the vehicle FPC board structure (1) and are respectively contacted with the end surfaces of two sides of the vehicle FPC board structure (1), and the two hot pressing rollers (51) are symmetrically distributed relative to the vehicle FPC board structure (1); the two seat bodies (52) are respectively arranged at two ends of the hot-pressing roller (51), the seat bodies (52) are in sliding connection with the machine body (2), the hot-pressing roller (51) is in rotary connection with the seat bodies (52), the rotation axis of the hot-pressing roller (51) is perpendicular to the sliding direction of the seat bodies (52), and the rotation axis of the hot-pressing roller (51) is perpendicular to the transportation direction of the vehicle FPC board structure (1);
The adjusting component (6) comprises a plurality of elastic pieces (61) and a plurality of deformation pieces (64) with heat expansion and cold contraction performances;
the elastic piece (61) and the deformation piece (64) are arranged between the two base bodies (52) of the hot pressing assembly (5) and are located on one side of the vehicle FPC board structure (1), the elastic piece (61) can drive the corresponding two base bodies (52) to slide close, and the deformation piece (64) can drive the corresponding two base bodies (52) to slide away.
2. A film pressing apparatus according to claim 1, wherein the adjusting assembly (6) further comprises a synchronizing gear (67), the synchronizing gear (67) is disposed between two of the seats (52) of different ones of the heat pressing assemblies (5) and located on one side of the FPC board structure (1) for the vehicle, the synchronizing gear (67) is rotatably connected with the machine body (2), and a rotation axis of the synchronizing gear (67) is parallel to a rotation axis of the heat pressing roller (51); rack structures extend outwards on the two seat bodies (52) corresponding to the synchronous gears (67), and the rack structures of the two seat bodies (52) are meshed with the synchronous gears (67).
3. A film laminating apparatus according to claim 2, wherein said adjusting assembly (6) further comprises an adjusting lever (68), one end of said adjusting lever (68) is connected to said synchronizing gear (67), and the other end of said adjusting lever (68) is located at a side of said body (2) facing away from said FPC board structure (1) for vehicles.
4. A film pressing apparatus according to claim 1, wherein the adjusting assembly (6) further comprises a heat conducting plate (65), the heat conducting plate (65) is arranged on the machine body (2) and is located on one side of the deformation member (64) close to the FPC board structure (1) for the vehicle, one side of the heat conducting plate (65) is in contact with the deformation member (64), one side of the heat conducting plate (65) away from the deformation member (64) is in contact with two heat pressing rollers (51), and heat of the heat pressing rollers (51) can be transferred to the deformation member (64) through the heat conducting plate (65).
5. A film pressing apparatus according to claim 4, wherein the heat-conducting plate (65) encloses a closed space (7) with the machine body (2), and the deformation member (64) is located in the closed space (7).
6. A film pressing apparatus according to claim 4, wherein the heat conductive plate (65) has two heat conductive points (651) and one heat conductive wire (652);
The heat conduction points (651) are positioned on one side, away from the deformation piece (64), of the heat conduction plate (65), and the two heat conduction points (651) are respectively contacted with the positions of the two hot pressing rollers (51) after the two hot pressing rollers are contacted with the vehicle FPC board structure (1);
The heat conducting wires (652) are located on one side, close to the deformation piece (64), of the heat conducting plates (65), two ends of the heat conducting wires (652) are connected with two heat conducting points (651) respectively, and the distribution track of the heat conducting wires (652) is matched with the shape of the end face, in contact with the deformation piece (64) and the heat conducting plates (65), of the deformation piece.
7. A film pressing apparatus according to claim 4, wherein the regulating assembly (6) further comprises a plurality of moving members (62), the moving members (62) are movably connected with the machine body (2), and the moving direction of the moving members (62) is parallel to the sliding direction of the base body (52);
the movable pieces (62) are positioned between two seat bodies (52) of different hot pressing assemblies (5) and are connected with the seat bodies (52) through elastic pieces (61), and a plurality of movable pieces (62) are symmetrically distributed relative to the vehicle FPC board structure (1); when the two movable pieces (62) with symmetrical positions are movably close to each other, the pressure of the two hot pressing rollers (51) on the vehicle FPC board structure (1) is increased.
8. A film pressing apparatus according to claim 7, wherein said regulating assembly (6) further comprises a plurality of pressing members (66), said pressing members (66) are slidably connected to said body (2), said pressing members (66) are located on both sides of said deforming member (64), respectively, and said pressing members (66) are located between adjacent movable members (62) and said deforming member (64);
The deformation piece (64) has elasticity, and one end of the extrusion piece (66) close to the movable piece (62) and one end of the movable piece (62) close to the extrusion piece (66) are respectively provided with guide surfaces (8) which are kept in contact with each other; when the two symmetrical movable pieces (62) are moved close, the pressing piece (66) slides along with the movable pieces to press the deformation piece (64), and the contact acting force between the deformation piece (64) and the heat conducting plate (65) is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410258275.9A CN117858362B (en) | 2024-03-07 | 2024-03-07 | Automobile-used FPC plate structure and film pressing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410258275.9A CN117858362B (en) | 2024-03-07 | 2024-03-07 | Automobile-used FPC plate structure and film pressing equipment |
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| CN117858362B true CN117858362B (en) | 2024-05-10 |
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| CN117858362A (en) | 2024-04-09 |
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