CN114554694A - Relative bending mechanism, bending shaping support plate module and bending shaping device - Google Patents
Relative bending mechanism, bending shaping support plate module and bending shaping device Download PDFInfo
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- CN114554694A CN114554694A CN202210161582.6A CN202210161582A CN114554694A CN 114554694 A CN114554694 A CN 114554694A CN 202210161582 A CN202210161582 A CN 202210161582A CN 114554694 A CN114554694 A CN 114554694A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention belongs to the technical field of flexible circuit board processing equipment and discloses a relative bending mechanism, a bending and shaping carrier plate module and a bending and shaping device. The bending and shaping device comprises a bottom cylinder bending module, a first matching bending module, a second matching bending module, a left side cylinder bending module, a right side cylinder bending module, a bottom plate and an FPC (flexible printed circuit) support plate; the FPC carrier plate is fixed on the bottom plate; the bottom cylinder bending module is fixed below the bottom plate, and the first matching bending module and the second matching bending module are distributed on the left side and the right side of the FPC carrier plate; the left side cylinder bending module and the right side cylinder bending module are respectively fixed on the outer sides of the first matching bending module and the second matching bending module. The relative bending mechanism, the bending and shaping carrier plate module and the bending and shaping device can automatically bend and shape the FPC flexible circuit board with a plurality of bending parts and a plurality of bending angles, and are stable and reliable in operation, accurate and efficient in bending and shaping, simple in structure and convenient to use and maintain.
Description
Technical Field
The invention belongs to the technical field of flexible circuit board processing equipment, and particularly relates to a relative bending mechanism, a bending shaping carrier plate module and a bending shaping device.
Background
With the rapid development of the technology in the field of electronic products, the requirements for the processing efficiency and the yield of the electronic products are increasingly improved. People continuously demand improvement of the process efficiency of electronic products, and also pay more attention to the degree of conformity between the processed electronic products and the initial design requirements, so that more automatic processes can participate in the subsequent processes, and the equipment of the process is undoubtedly of great importance.
Flexible Printed Circuit (FPC for short) is formed by bonding and combining copper foils through an adhesive by an insulating film, is favored by excellent characteristics of light weight, thin thickness, free bending and folding and the like, is widely applied to the electronic field, and is generally thin in thickness, strange in shape and small in size, and is subsequently required to be bent into various angles to complete assembly; how to develop a bending and shaping device which is automatically operated, stable and reliable in work and accurate in positioning aiming at an FPC flexible circuit board which is provided with a plurality of bending parts and needs to be bent at various angles is a difficult problem in the manufacturing and assembling process of the existing flexible circuit board.
Patent document CN213126660U discloses a pinion-rack bending mechanism, which includes a base, a rack is provided in the base, the rack only moves along its own length direction, and one end of the rack is provided with a cylinder for driving the rack to move; the base is connected with a cylindrical gear meshed with the rack, the cylindrical gear is connected with a turnover shaft for bending the product, and the cylindrical gear drives the turnover shaft to rotate to turn the product; can dismantle on the trip shaft and be connected with the angle stopper, the position of angle stopper both ends terminal surface and base side difference butt corresponds to the position of rolling over the trip shaft around rolling over, has reached and has effectively avoided panel layering fracture scheduling problem, has improved the production yields greatly, has reduced manpower, material resources, reduces the effect of enterprise's spending. However, this patent document can only bend a single portion of the FPC flexible printed circuit board, and cannot meet the complex bending and shaping requirements of multiple bending portions and multiple bending angles of the FPC flexible printed circuit board.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a relative bending mechanism, a bending shaping carrier plate module and a bending shaping device, which can perform automatic bending shaping operation on an FPC (flexible printed circuit) with a plurality of bending parts and a plurality of bending angles, and have the advantages of stable and reliable operation and accurate bending shaping.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a relative bending mechanism comprises a bottom plate, a bottom cylinder bending module, a first matched bending module and a second matched bending module; the bottom cylinder bending module is positioned below the bottom plate and comprises a first cylinder and a guide groove module; the first cylinder is in driving connection with the guide groove module;
the upper end of the guide groove module is provided with a first horizontal guide groove, and the right side end of the guide groove module is provided with a second horizontal guide groove; the bottom of the first matching bending module is connected in the first horizontal guide groove in a sliding mode, the upper portion of the first matching bending module is provided with a bending positioning block, and the bending positioning block freely penetrates out of a first limiting hole formed in the bottom plate upwards; the left side of the bottom of the second matched bending module is slidably connected into the second horizontal guide groove), the upper part of the second matched bending module is provided with an arc pushing block, the arc pushing block freely penetrates out of a second limiting hole formed in the bottom plate upwards, and the right side of the second matched bending module is provided with a first sliding side shifting module;
the guide path of the first horizontal guide groove is bent rightwards along the horizontal direction for turning, the guide path of the second horizontal guide groove is bent upwards along the vertical direction for turning, when the first air cylinder drives the guide groove module to move backwards, the first matched bending module moves rightwards under the guide effect of the first horizontal guide groove and is positioned and compressed on a product bending part through the bending positioning block at the upper end, meanwhile, the second matched bending module synchronously drives the arc pushing block to move upwards under the guide effect of the second horizontal guide groove and is matched with the first sliding side moving module to push the arc pushing block leftwards to bend the product.
Furthermore, a first bearing is arranged at the bottom of the first matching bending module, the first bearing is fixedly connected with the bending positioning block through a connecting piece, and the first bearing is positioned in the first horizontal guide groove; a U-shaped open slot is formed in the right end of the bending positioning block, two pressing contact ends of the U-shaped open slot are of smooth arc structures, and a transition inclined plane is arranged at the upper end of each pressing contact end;
the arc pushing block of the second matched bending module is fixedly connected to the upper end of the connecting block, a second bearing is arranged on the left side of the bottom of the connecting block, and the second bearing is located in a second horizontal guide groove; the bottom plate is provided with a through hole groove, the bottom of the through hole groove is fixedly connected with a guide device, the guide device is provided with a guide hole communicated with the through hole groove, and the connecting block freely penetrates through the through hole groove and the guide hole; the left end of the arc pushing block is an arc bending pushing head, the right rear end of the arc pushing block is fixedly connected with a third bearing close to the first sliding side shifting module, the third bearing is in contact with the side end face of the first sliding side shifting module, the upper end of the side end face is bent towards the left side, and the third bearing can be synchronously pushed to move towards the left side when the third bearing ascends; and a first return spring is arranged between the connecting block and the first sliding side shifting module.
Furthermore, a first air cylinder of the bottom air cylinder bending module is fixed below the bottom plate through an air cylinder connecting block; the relative bending mechanism is made of high-speed steel.
A bending and shaping carrier plate module is applied to any one of the relative bending mechanisms, and further comprises a single-side bending mechanism and an FPC carrier plate; the single-side bending mechanism comprises two side cylinder bending modules, namely a left side cylinder bending module and a right side cylinder bending module;
the FPC carrier plate is fixed on the bottom plate and used for positioning and placing the FPC flexible circuit board; the bottom cylinder bending module is fixed below the bottom plate, and the first matching bending module and the second matching bending module respectively penetrate through a first limiting hole and a second limiting hole which are formed in the bottom plate and are distributed on the left side and the right side of the FPC carrier plate; the left side cylinder bending module and the right side cylinder bending module are respectively fixed on the bottom plates on the left side and the right side of the FPC carrier plate, are located on the outer sides of the first matching bending module and the second matching bending module and are used for bending a product from a single side.
Further, the side cylinder bending module comprises a second cylinder and a rack and pinion mechanism, and the rack and pinion mechanism comprises a rack module, a gear module, a second sliding side moving module and a bending and shaping module;
the second cylinder is fixedly connected below the bottom plate and drives the connecting rack module; the gear module comprises a cylindrical gear and a gear fixing seat, the cylindrical gear is rotatably connected to the gear fixing seat through a gear shaft, and the gear fixing seat is fixedly arranged on the bottom plate; a linear rack of the rack module freely penetrates out of a through hole groove formed in the bottom plate and is meshed with the cylindrical gear;
the bending and shaping module comprises a bending module and a shaping module; the bending module is fixedly connected to the gear module and can rotate along with the cylindrical gear; the shaping module is of a strip-shaped structure and can be movably inserted into a central through hole formed in the gear module in a penetrating manner; one end of the shaping module, which is close to the meshing of the gear and the rack, is provided with a shaping head, and the other end of the shaping module, which is far away from the meshing of the gear and the rack, is fixedly connected with a fourth bearing;
the second sliding side moving module is an L-shaped sliding block, a first end of the second sliding side moving module is fixedly connected with a rack module, a second end inner side wall of the second sliding side moving module is in rolling contact with a fourth bearing, a bending side moving arc inclined plane is arranged on the surface of the second end inner side wall in contact with a fourth bearing, when the second sliding side moving module moves backwards under the driving of the rack module, the fourth bearing drives the sizing module to move to a preset position to bend and position to one side close to the meshing of the gear and the rack under the pushing of the bending side moving arc inclined plane of the second end inner side wall of the second sliding side moving module, and the synchronous auxiliary bending module bends and shapes a product to obtain a required bending radian or angle.
Furthermore, the shape and size of the bending head of the bending module and the sizing head of the sizing module need to be set; the shaping module is connected with a fourth bearing through an L-shaped connecting block, and a roller fixing cover for limiting and guiding the fourth bearing moving side is sleeved on the periphery of the fourth bearing; and a second reset spring is arranged in the roller fixing cover and can elastically act on the L-shaped connecting block elastic reset molding module.
Furthermore, the shaping module of the left cylinder bending module is an arc shaping module with a cylindrical structure, and the shaping module of the right cylinder bending module is a flanging shaping module with a baffle structure;
the rack module is a square plate rack which is vertically placed, the lower end of the rack module is in driving connection with the second cylinder, and the upper end of the rack module is provided with a linear rack; the second sliding side-shifting module is arranged above the bottom plate, and the first end of the second sliding side-shifting module is fixedly connected to the upper end face of the rack module; a gear bearing is arranged at the matching position of the gear fixing seat and the cylindrical gear;
the single-side bending mechanism is made of high-speed steel.
Furthermore, the device also comprises a carrier plate base, a temperature controller and an air injection cooling device; the FPC carrier plate is fixed on the bottom plate through the carrier plate base; the temperature controller and the air injection cooling device are fixedly arranged on the base plate, and the temperature controller is used for providing a constant temperature environment required by product bending; and a cooling air nozzle of the air injection cooling device is aligned to the bending part of the product.
A bending and shaping device comprises any one of the bending and shaping carrier plate modules and further comprises an electrical control module, wherein the electrical control module comprises a lower box body, and a programmable controller, an electromagnetic valve assembly, a solid-state relay, a pressure regulating valve, a ship-shaped switch, a power socket, a partition plate air pipe connector, a power switch, a double-start switch and an emergency stop switch are arranged in the lower box body;
the programmable controller is electrically connected with the control solenoid valve assembly, the pressure regulating valve and the solid-state relay; the electromagnetic valve assembly and the pressure regulating valve are electrically connected with each driving cylinder of the bending and shaping carrier plate module, and the solid-state relay is used for electrically connecting and controlling the temperature controller; the ship-shaped switch controls the circuit on-off of the whole device through a power socket; the double starting switch starts the device through a double starting mode, and the emergency stop switch is used for emergency closing of the device; the bending and shaping support plate module is placed at the upper end of the frame of the lower box body, is hinged with the lower box body through a hinge arranged at the rear side of the lower box body, and is buckled and fixed through hasps arranged on two sides of the lower box body.
Furthermore, the bending and shaping device also comprises an upper protective cover module which is detachably fastened and fixed above the bending and shaping carrier plate module; the upper protective cover module and the bottom plate of the bending and shaping carrier plate module are correspondingly provided with through hole grooves, the upper end of the temperature controller is fixedly connected with the upper protective cover module, and the lower end of the temperature controller is fixedly connected with the bottom plate of the bending and shaping carrier plate module; and an observation window is also formed in the upper end of the upper protective cover module.
Compared with the prior art, the invention has the following beneficial effects:
(1) the side cylinder bending module provided by the invention adopts a cylinder driving gear rack structure to drive the bending module to bend, and is synchronously matched with the sliding lateral movement module to push the positioning module to position, so that the complex bending requirement of any angle of the FPC (flexible printed circuit) can be automatically completed, and the problem that the inner circuit and the surface appearance of the FPC are easily damaged because an upper pressing head structure and a lower pressing head structure are adopted to directly bend in the prior art (such as patent document CN111683462B) can be avoided; meanwhile, the bottom cylinder bending module of the relative bending mechanism is provided with two horizontal guide grooves with bending turning grooving paths through the upper end and the side end of a guide groove module, the first matching bending module is controlled to move right to press and position a bending part, and the second matching bending module moves up to bend a product;
(2) the side cylinder bending module, the bottom cylinder bending module, the first matching bending module, the second matching bending module and the FPC carrier plate can be changed and customized into different shapes and sizes according to needs, and by adopting a modular design, the modules can be conveniently combined and replaced to meet the bending and shaping requirements of FPC flexible circuit boards with different shapes and sizes, the whole clamp is not required to be redesigned and manufactured, the interchangeability and compatibility are strong, the processing and manufacturing cost can be effectively saved, the structure is simple, and the use and maintenance are convenient;
(3) according to the invention, the bending and shaping modules are made of high-speed steel with high hardness, high wear resistance and high heat resistance, and the contact surface of the bending and shaping modules and the bending FPC flexible circuit board can be processed into a mirror surface smooth shape, so that no friction trace on the surface of the FPC flexible circuit board in the bending process can be ensured, the product is effectively protected, the damage is avoided, and the yield of bending and shaping the product can be further improved;
(4) according to the invention, the temperature controller heating device is designed in the bending and shaping carrier plate module, the heating temperature is set by the temperature controller to be in a constant temperature state required by a bending process, and the bending part of the FPC is temporarily softened, so that the inner circuit is protected to be intact and not to be broken during bending, and further the high-precision bending and shaping effect is realized; meanwhile, cooling gas is sprayed at the position of the bending angle of the FPC by adopting the gas spraying and cooling device, so that high temperature can be cooled instantly, the bending angle is ensured to be shaped and not to rebound, and the bending efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a relative bending mechanism according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a bottom cylinder bending module according to a first embodiment of the present invention;
fig. 3 is a front view of a bottom cylinder bending module, a first fitting bending module and a second fitting bending module according to a first embodiment of the present invention;
fig. 4 is a schematic rear view of the bottom cylinder bending module, the first and second fitting bending modules according to the first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a bending-shaping carrier module according to a second embodiment of the present invention;
fig. 6 is a schematic structural view of a side cylinder bending module according to a second embodiment of the present invention;
fig. 7 is an exploded schematic view of a side cylinder bending module according to a third embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a left side molding module according to a second embodiment of the present invention;
fig. 9 is a schematic structural view of a bending and shaping device according to a third embodiment of the present invention;
fig. 10 is an exploded view of a bending and shaping apparatus according to a third embodiment of the present invention;
fig. 11 is a schematic structural diagram of an electrical control module according to a third embodiment of the present invention;
fig. 12 is a schematic view of a flexible printed circuit and a bending structure thereof according to a second embodiment of the invention;
the notation in the figure is:
1-a bottom cylinder bending module, 101-a first cylinder, 102-a guide groove module, 103-a first horizontal guide groove, 104-a second horizontal guide groove and 105-a cylinder connecting block;
2-a first matching bending module, 201-a bending positioning block, 202-a U-shaped open slot, 2021-a press contact end, 203-a first bearing and 204-a connecting piece;
3-a second matched bending module, 301-an arc pushing block, 302-a connecting block, 303-a first sliding side shifting module, 3031-a side end face, 304-a first return spring, 305-a guide device, 306-a second bearing and 307-a third bearing;
4-a bottom plate; 5-a carrier plate base; 6-FPC carrier plate;
7-a flexible circuit board, 701-a first bending, 702-a second bending, 703-a third bending, 704-a fourth bending, 705-a fifth bending and 706-a sixth bending;
8-side cylinder bending module, 801-second cylinder; 802-rack module; 803-gear module, 8031-cylindrical gear, 8032-gear fixing seat, 8033-gear bearing; 804-a second sliding side-shifting module; 805-bending and shaping module; 8051-bending module, 80511-bending head, 8052-shaping module, 80521-shaping head, 80522-L-shaped connecting block, 80523-fourth bearing; 806-roller retaining cups;
9-a left cylinder bending module; 10-a right cylinder bending module; 11-a jet cooling device; 12-mounting a protective cover module, 1201-observing a window; 13-bending and shaping the carrier plate module;
14-electrical control module, 1401-lower box, 1402-programmable controller, 1403-solenoid valve module, 1404-solid state relay, 1405-pressure regulating valve, 1406-ship switch, 1407-power socket, 1408-partition air pipe connector, 1409-power switch, 1410-double start switch, 1411-emergency stop switch, 1412-hinge, 1413-hasp;
15-temperature controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Example one
Referring to fig. 1-4, the present invention provides a relative bending mechanism, which includes a bottom cylinder bending module 1, a first matching bending module 2, a second matching bending module 3, a bottom plate 4 and a carrier plate module (see fig. 1); the carrier plate module comprises a carrier plate base 5, an FPC carrier plate 6 and a flexible circuit board 7; the FPC carrier 6 is fixed on the bottom plate 4 through a carrier base 5, and a flexible circuit board 7 of a product to be bent and shaped is positioned and placed in the carrier base 5; the bottom cylinder bending module 1 is located below the bottom plate 4, and the first matching bending module 2 and the second matching bending module 3 penetrate through a first limiting hole and a second limiting hole formed in the bottom plate 4 and are distributed on the left side and the right side of the flexible circuit board 7 respectively.
The bottom cylinder bending module 1 comprises a first cylinder 101, a guide groove module 102 and a cylinder connecting block 105; the first air cylinder 101 is fixedly connected below the bottom plate 4 through an air cylinder connecting block 105, and meanwhile, the first air cylinder 101 is connected with the guide groove module 102 in a driving mode; a first horizontal guide groove 103 is formed in the upper end of the guide groove module 102, and a second horizontal guide groove 104 is formed in the right side end of the guide groove module; the bottom of the first matching bending module 2 is slidably connected in the first horizontal guide groove 103, the upper part of the first matching bending module is provided with a bending positioning block 201, and the bending positioning block 201 freely penetrates out of a first limiting hole formed in the bottom plate 4; the left side of the bottom of the second matching bending module 3 is slidably connected in the second horizontal guide groove 104, the upper part of the second matching bending module is provided with an arc pushing block 301, and the arc pushing block 301 freely penetrates out of a second limiting hole formed in the bottom plate 4;
the guide path of the first horizontal guide groove 103 bends rightwards along the horizontal direction and changes direction, and the guide path of the second horizontal guide groove 104 bends upwards along the vertical direction and changes direction; when the first cylinder 101 drives the guide groove module 102 to move backwards, the first matching bending module 2 moves rightwards under the guiding action of the first horizontal guide groove 102 and positions and presses the bending part of the product through the bending positioning block 201 at the upper end, meanwhile, the second matching bending module 3 synchronously moves upwards under the guiding action of the second horizontal guide groove 103 and is matched with the first sliding lateral movement module 303 to push the arc pushing block 301 leftwards to bend and shape the product;
specifically, a first bearing 203 is arranged at the bottom of the first matching bending module 2, the first bearing 203 is fixedly connected with a bending positioning block 201 through a connecting piece 204, and the first bearing 203 is located in a first horizontal guide groove 103; the right end of the bending positioning block 202 is provided with a U-shaped open slot 202, in order to avoid indentation, two pressing contact ends 2021, which are positioned and contacted with the product, of the U-shaped open slot 202 are of smooth arc structures, and meanwhile, in order to avoid interference on the product or other components during bending, the upper ends of the pressing contact ends 2021 are provided with transition inclined planes;
the arc pushing block 301 of the second matched bending module 3 is fixedly connected to the upper end of the connecting block 302, a second bearing 306 is arranged on the left side of the bottom of the connecting block 302, and the second bearing 306 is located in the second horizontal guide groove 104; a through hole groove is formed in the bottom plate 4, a guide device 305 is fixedly connected to the bottom of the through hole groove, a guide hole communicated with the through hole groove is formed in the guide device 305, and the connecting block 302 freely penetrates through the through hole groove and the guide hole; the left end of the arc pushing block 301 is an arc bending pushing head, the right rear end of the arc pushing block 301 close to the first sliding side shifting module 303 is fixedly connected with a third bearing 307, the third bearing 307 is in contact with a side end surface 3031 of the first sliding side shifting module 303, the upper end of the side end surface 3031 is bent towards the left side, and the third bearing 307 can be synchronously pushed to move towards the left side when the third bearing 307 rises; a first return spring 304 is arranged between the connecting block 302 and the first sliding side shifting module 303 and is used for returning the arc pushing block 301 to the right under the elastic action after the bending is finished.
Preferably, the bending mechanism is made of high-speed steel with high hardness, high wear resistance and high heat resistance, and all contact surfaces with the bent FPC flexible circuit board are machined to be mirror-smooth during machining, so that no friction mark is left on the surface of the FPC flexible circuit board during bending, products are effectively protected from being damaged, and the yield of bending and shaping of the products is improved.
Example two
A bending and shaping carrier module, as shown in fig. 5-8, comprising a relative bending mechanism in the first embodiment, and further comprising a single-side bending mechanism; the single-side bending mechanism comprises two side cylinder bending modules 8, namely a left side cylinder bending module 9 and a right side cylinder bending module 10; the left air cylinder bending module 9 and the right air cylinder bending module 10 are respectively fixed on the bottom plates on the left side and the right side of the FPC carrier plate 6, are positioned outside the first matching bending module 2 and the second matching bending module 3, and are used for bending a product from a single side;
specifically, the side cylinder bending module 8 comprises a second cylinder 801 and a rack and pinion mechanism, wherein the rack and pinion mechanism comprises a rack module 802, a gear module 803, a second sliding side moving module 804 and a bending and shaping module 805; the rack module 802 is a vertically placed square plate rack, the lower end of the rack module 802 is in driving connection with the second cylinder 801, and the upper end of the rack module 802 is provided with a linear rack; the gear module 803 comprises a cylindrical gear 8031 and a gear fixing seat 8032, the cylindrical gear 8031 is rotatably connected to the gear fixing seat 8032 through a gear shaft, and the gear fixing seat 8032 is fixedly arranged on the bottom plate 4; the linear rack of the rack module 802 freely penetrates out of a through hole groove formed in the bottom plate 4 and is meshed with the cylindrical gear 8031; a gear bearing 8033 is arranged at the matching position of the gear fixing seat 8032 and the cylindrical gear 8031;
the bending and shaping module 805 comprises a bending module 8051 and a shaping module 8052; the bending module 8051 is fixedly connected to the gear module 803 and can rotate together with the cylindrical gear 8031; the shaping module 8052 is a strip-shaped structure and can be movably inserted into a central through hole formed in the gear module 803; the shaping module 8052 is provided with a shaping head 80521 at one end close to the meshing of the gear and the rack, and a fourth bearing 80523 is fixedly connected at one end far away from the meshing of the gear and the rack;
the second sliding side-moving module 804 is an L-shaped sliding block, the second sliding side-moving module 804 is disposed above the bottom plate 4, a first end of the second sliding side-moving module 804 is fixedly connected to the upper end surface of the rack module 802, a second end inner side wall of the second sliding side-moving module 804 is in rolling contact with the fourth bearing 80523, a bending side-moving arc inclined plane is disposed on a surface where the second end inner side wall is in contact with the fourth bearing 80523, when the second sliding side-moving module 804 moves backwards under the driving of the rack module, the fourth bearing 80523 drives the shaping module 8052 to move to a predetermined position to bend and position the side close to the meshing of the gear and the rack under the pushing of the bending side-moving arc inclined plane of the second end inner side wall of the second sliding side-moving module 804, and the synchronous auxiliary bending module 8051 bends and shapes the product to obtain a required bending radian or angle.
The shape and size of the bending head 80511 of the bending module 8051 and the shaping head 80521 of the shaping module 8052 can be set as required, in this embodiment, the shaping module 8052 of the left-side cylinder bending module 9 is an arc shaping module (see fig. 8) with a cylindrical structure, and the shaping module 8052 of the right-side cylinder bending module 10 is a hem shaping module (see fig. 7) with a baffle structure; the shaping module 8052 is connected with a fourth bearing 80523 through an L-shaped connecting block 80522, and a roller fixing cover 806 for limiting and guiding the movement side of the fourth bearing 80523 is sleeved on the periphery of the fourth bearing 80523; a second return spring (not shown) is arranged in the roller fixing cover 806, and the second return spring can elastically act on the L-shaped connecting block 80522 to elastically return the shaping module 8052.
Preferably, the bending mechanism is made of high-speed steel with high hardness, high wear resistance and high heat resistance, and all contact surfaces with the bent FPC flexible circuit board are machined to be mirror-like smooth during machining, so that no friction mark is generated on the surface of the FPC flexible circuit board during bending, products are effectively protected from being damaged, and the yield of bending and shaping of the products is improved; in order to ensure reliable work and smooth operation, the first bearing 203, the second bearing 306, the third bearing 307 and the fourth bearing 80523 all adopt high-precision bearings, are fixed in a floating mode through equal-height screws in a clearance mode, and are prevented from being clamped during rolling through the rolling deviation of clearance compensation bearings.
In addition, the bending and shaping carrier plate module also comprises a temperature controller 15 and an air-jet cooling device 11; the temperature controller 15 and the jet cooling device 11 are both fixedly arranged on the base plate 4, and the temperature controller 15 is used for providing a constant temperature environment required by product bending; and a cooling gas nozzle of the gas spraying cooling device 11 is aligned to the bending part of the product and used for providing cooling gas for the bent product part to carry out rapid cooling and shaping.
EXAMPLE III
A bending and shaping apparatus, as shown in fig. 9 and 10, includes an upper mask module 12, a bending and shaping carrier module 13 and an electrical control module 14 according to the second embodiment. The electrical control module 14 comprises a lower box body 1401, the bending and shaping carrier plate module 13 is placed at the upper end of the frame of the lower box body 1401, is hinged with the lower box body 1401 through a hinge 1412 arranged at the rear side of the lower box body, and is buckled and fixed through buckles 1413 arranged at two sides of the lower box body 1401; the upper protective cover module 12 is detachably fastened and fixed above the bending and shaping carrier plate module 13, through hole grooves for installing the temperature controller 15 are correspondingly formed in the bottom plate 4 of the upper protective cover module 12 and the bending and shaping carrier plate module 13, the temperature controller 15 is in a constant temperature state required by a bending process by setting a heating temperature, and the bending part of the FPC flexible circuit board is temporarily softened, so that the inner circuit is protected to be intact and not broken during bending, and a high-precision bending and shaping effect is realized; the air-jet cooling device 11 is arranged on the bottom plate 4 of the bending and shaping carrier plate module 13 and is used for providing cooling gas for the bent product part to carry out rapid cooling and shaping; an observation window 1201 is further formed in the upper end of the upper protective cover module 12, so that workers can observe the bending and shaping conditions of products inside the device at any time.
As shown in fig. 11, the electrical control module 14 comprises a lower box 1401, and a programmable controller 1402, a solenoid valve assembly 1403, a solid-state relay 1404, a pressure regulating valve 1405, a ship switch 1406, a power socket 1407, a partition air pipe joint 1408, a power switch 1409, a double start switch 1410 and an emergency stop switch 1411 are arranged in the lower box 1401;
the programmable controller 1402 is electrically connected with the control solenoid valve assembly 1403, the pressure regulating valve 1405 and the solid-state relay 1404; the electromagnetic valve assembly 1403 and the pressure regulating valve 1405 are electrically connected with each driving cylinder of the bending and shaping carrier plate module 13, and the solid relay 1404 is used for electrically connecting and controlling the temperature controller 15; the ship-shaped switch 1406 controls the on-off of the circuit of the whole device through a power socket; the double-start switch 1410 is used for starting the device through a double-start mode, and the emergency stop switch 1411 is used for emergency shutdown of the device, so that the safety of personnel during operation can be effectively ensured.
Fig. 12 is a schematic view of the FPC flexible printed circuit 7 and its bending structure in the embodiment of the present invention, and the bending and shaping process is specifically as follows:
after the double start switch buttons are started by the two hands, the programmable controller 1402 controls each module to work;
firstly, the right-side cylinder bending module 10 works, the second cylinder 801 pushes the rack module 802 and the second sliding side-shifting module 804 fixed on the rack module 802, the second sliding side-shifting module 804 pushes the fourth bearing 80523 of the bending and shaping module 805 to slide leftward to the leftmost position of the bending side-shifting arc slope by using the bending side-shifting arc slope, the shaping head 80521 of the flap-type shaping module 8052 is driven to accurately position the bending position of the FPC flexible circuit board 7, the second cylinder 801 synchronously pushes the rack module 802 to drive the cylindrical gear 8031 to drive the bending module 8051 to rotate, so as to drive the bending head 80511 to rotationally bend and stop the flexible circuit board 7, so as to realize the first bending 701, the second bending 702 and the third bending 703, and meet the requirement of keeping a certain bending pressure-holding time, then the air-jet cooling device 11 is started to jet cooling air, so that the bent flexible circuit board 7 is instantly cooled from high temperature, shaping the bending angle; after the air injection cooling is finished, the second air cylinder 801 returns to the initial state, in the returning process, the rack module 802 rotates the cylindrical gear 8031 to the original position in the opposite direction, the fourth bearing 80523 of the shaping module 8052 returns to the right position through the bent side shifting arc inclined plane of the sliding side shifting module 804, and then the blocking piece type shaping module 8052 returns to the initial position under the elastic force action of a second return spring arranged in the roller fixing cover 806;
secondly, the same working principle as the right cylinder bending module 10, the second cylinder 801 of the left cylinder bending module 9 pushes the rack module 802 and the second sliding side-shifting module 804 fixed on the rack module 802, the second sliding side-shifting module 804 pushes the fourth bearing 80523 of the bending and shaping module 805 to slide rightwards to the rightmost position of the bending side-shifting arc slope by using the bending side-shifting arc slope, the shaping module 8052 of the cylinder structure is driven to accurately position the bending position of the FPC flexible printed circuit board, the rack module 802 is pushed by the second cylinder 801 to drive the cylindrical gear 8031 to drive the bending module 8051 to rotate, so as to drive the bending head 80511 to rotate, bend and stop the flexible printed circuit board 7, the fourth bending 704 is bent, a certain bending pressure maintaining time is met, then the air injection cooling device 11 is started to inject cooling air, so that the bent flexible printed circuit board 7 is instantly cooled from high temperature, shaping the bending angle; after the air injection cooling is finished, the second air cylinder 801 returns to the initial state, in the returning process, the rack module 802 rotates the cylindrical gear 8031 to the original position in the reverse direction, the fourth bearing 80523 of the sizing module 8052 returns to the left position through the bending side-shifting arc inclined plane of the sliding side-shifting module 804, and then the cylindrical sizing module 8052 returns to the initial position under the elastic force action of a second return spring arranged in the roller fixing cover 806;
thirdly, the first cylinder 101 of the bottom cylinder bending module 1 pushes the guide groove module 102, the first matching bending module 2 slides to the right along the grooved path of the first horizontal guide groove 103 to accurately position the bending position of the flexible circuit board 7, the second bearing 306 of the second matching bending module 3 slides along the grooved path of the second horizontal guide groove 104 to drive the connecting block 302 and the arc pushing block 301 to move upwards synchronously, meanwhile, as shown in fig. 4, the arc pushing block 301 moves upwards, the third bearing 307 at the right end moves leftwards under the action of the bending surface of the side end surface 3031 of the first sliding lateral moving module 303, so that the arc pushing block 301 moves upwards simultaneously and moves leftwards synchronously to bend the fifth bend 705 and the sixth bend 706 of the flexible circuit board 7, and certain bending pressure maintaining time is met, and then the gas injection cooling device 11 is started to inject cooling gas, the bent flexible circuit board 7 is cooled down from high temperature instantly, and the bending angle is shaped; after the air injection cooling is finished, the first air cylinder 101 returns to the initial position, the second bearing 306 of the second matching bending module 3 slides along the grooved path of the second horizontal guide groove 104 to drive the connecting block 302 and the arc pushing block 301 to return downwards, meanwhile, the arc pushing block 301 returns to the initial position rightwards along the bending surface of the side end surface 3031 under the elastic action of the first return spring 304, and the first matching bending module 2 returns to the initial position leftwards along the grooved path of the first horizontal guide groove 103 synchronously.
Meanwhile, in the bending process, the programmable controller 1402 drives the solenoid valve assembly 1403 to control the sequence of actions, so that the actions are smoothly and stably completed; the required air pressure can be adjusted through the pressure regulating valve 1405, the temperature controller 15 is controlled by the solid relay 1404 to provide the constant temperature required by the bending process when the flexible printed circuit board is bent, the bending part of the flexible printed circuit board is temporarily softened, the inner circuit is protected to be intact and not broken when the flexible printed circuit board is bent, and the high-precision bending and shaping effect is achieved.
The above description is only an example of the present application and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the application of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A relative bending mechanism is characterized by comprising a bottom plate (4), a bottom cylinder bending module (1), a first matched bending module (2) and a second matched bending module (3); the bottom cylinder bending module (1) is positioned below the bottom plate (4) and comprises a first cylinder (101) and a guide groove module (102); the first air cylinder (101) is in driving connection with the guide groove module (102);
a first horizontal guide groove (103) is formed in the upper end of the guide groove module (102), and a second horizontal guide groove (104) is formed in the right side end of the guide groove module; the bottom of the first matching bending module (2) is connected in the first horizontal guide groove (103) in a sliding mode, a bending positioning block (201) is arranged at the upper portion of the first matching bending module, and the bending positioning block (201) freely penetrates out of a first limiting hole formed in the bottom plate (4) upwards; the left side of the bottom of the second matched bending module (3) is connected in the second horizontal guide groove (104) in a sliding mode, an arc pushing block (301) is arranged on the upper portion of the second matched bending module (3), the arc pushing block (301) freely penetrates out of a second limiting hole formed in the bottom plate (4) upwards, and a first sliding side shifting module (303) is arranged on the right side of the second matched bending module (3);
the guide path of the first horizontal guide groove (103) is bent rightwards along the horizontal direction for turning, the guide path of the second horizontal guide groove (104) is bent upwards along the vertical direction for turning, when the first air cylinder (101) drives the guide groove module (102) to move backwards, the first matching bending module (2) moves rightwards under the guide effect of the first horizontal guide groove (103) and positions and compresses a product bending part through the bending positioning block (201) at the upper end, meanwhile, the second matching bending module (3) synchronously drives the arc pushing block (301) to move upwards under the guide effect of the second horizontal guide groove (104) and is matched with the first sliding side moving module (303) to push the arc pushing block (301) leftwards to bend the product.
2. The relative bending mechanism according to claim 1, wherein a first bearing (203) is arranged at the bottom of the first matched bending module (2), the first bearing (203) is fixedly connected with the bending positioning block (201) through a connecting piece (204), and the first bearing (203) is positioned in the first horizontal guide groove (103); a U-shaped open slot (202) is formed in the right end of the bending positioning block (202), two pressing contact ends (2021) of the U-shaped open slot (202) are of smooth arc structures, and transition inclined planes are arranged at the upper ends of the pressing contact ends (2021);
the arc pushing block (301) of the second matched bending module (3) is fixedly connected to the upper end of the connecting block (302), a second bearing (306) is arranged on the left side of the bottom of the connecting block (302), and the second bearing (306) is located in the second horizontal guide groove (104); a through hole groove is formed in the bottom plate (4), a guide device (305) is fixedly connected to the bottom of the through hole groove, a guide hole communicated with the through hole groove is formed in the guide device (305), and the connecting block (302) freely penetrates through the through hole groove and the guide hole; the left end of the arc pushing block (301) is an arc bending pushing head, the right rear end of the arc pushing block (301) close to the first sliding side shifting module (303) is fixedly connected with a third bearing (307), the third bearing (307) is in contact with the side end face (3031) of the first sliding side shifting module (303), the upper end of the side end face (3031) is bent towards the left side, and the third bearing (307) can be synchronously pushed to move towards the left side when the third bearing (307) rises; a first return spring (304) is arranged between the connecting block (302) and the first sliding side shifting module (303).
3. A relative bending mechanism according to claim 1 or 2, wherein the first cylinder (101) of the bottom cylinder bending module (1) is fixed below the bottom plate by a cylinder connecting block (105); the relative bending mechanism is made of high-speed steel.
4. A bending and shaping carrier module applying the relative bending mechanism of any one of claims 1-3, characterized by further comprising a single-side bending mechanism and an FPC carrier (6); the opposite bending mechanism specifically comprises a bottom plate (4), a bottom cylinder bending module (1), a first matched bending module (2) and a second matched bending module (3), and the single-side bending mechanism comprises two lateral cylinder bending modules (8) which are respectively a left-side cylinder bending module (9) and a right-side cylinder bending module (10);
the FPC carrier plate (6) is fixed on the bottom plate (4) and used for positioning and placing the FPC flexible circuit board; the bottom cylinder bending die (1) group is fixed below the bottom plate (4), and the first matching bending die group (2) and the second matching bending die group (3) respectively penetrate through a first limiting hole and a second limiting hole formed in the bottom plate and are distributed on the left side and the right side of the FPC carrier plate (6); the left air cylinder bending module (9) and the right air cylinder bending module (10) are respectively fixed on the bottom plates on the left side and the right side of the FPC carrier plate (6), are located on the outer sides of the first matching bending module (2) and the second matching bending module (3), and are used for bending a product from one side.
5. The bending shaping carrier module according to claim 4, wherein the side cylinder bending module (8) comprises a second cylinder (801) and a rack and pinion mechanism, the rack and pinion mechanism comprises a rack module (802), a gear module (803), a second sliding side shift module (804) and a bending shaping module (805);
the second air cylinder (801) is fixedly connected below the bottom plate (4), and the second air cylinder (801) is in driving connection with the rack module (802); the gear module (803) comprises a cylindrical gear (8031) and a gear fixing seat (8032), the cylindrical gear (8031) is rotatably connected to the gear fixing seat (8032) through a gear shaft, and the gear fixing seat (8032) is fixedly arranged on the bottom plate (4); a linear rack of the rack module (802) freely penetrates out of a through hole groove formed in the bottom plate (4) and is meshed with the cylindrical gear (8031);
the bending and shaping module (805) comprises a bending module (8051) and a shaping module (8052); the bending module (8051) is fixedly connected to the gear module (803) and can rotate together with the cylindrical gear (8031); the shaping module (8052) is of a strip-shaped structure and can be movably inserted into a central through hole formed in the gear module (803); a shaping head (80521) is arranged at one end of the shaping module (8052) close to the meshing of the gear and the rack, and a fourth bearing (80523) is fixedly connected at one end far away from the meshing of the gear and the rack;
the second sliding side moving module (804) is an L-shaped sliding block, a first end of the second sliding side moving module (804) is fixedly connected with the rack module (802), a second end inner side wall of the second sliding side moving module (804) is in rolling contact with a fourth bearing (80523), a bending side moving arc inclined plane is arranged on a surface where the second end inner side wall is in contact with the fourth bearing (80523), when the second sliding side moving module (804) is driven by the rack module to move backwards, the fourth bearing (80523) drives the fixing module (8052) to move to a preset position to bend and position the side close to meshing of the gear and the rack under the pushing of the bending side moving arc inclined plane of the second end inner side wall of the second sliding side moving module (804), and the synchronous auxiliary bending module (8051) bends and shapes a product to obtain a required bending or angle.
6. The carrier module of claim 5, wherein the carrier module includes a base; the shapes and the sizes of a bending head (80511) of the bending module (8051) and a sizing head (80521) of the sizing module (8052) need to be set; the shaping module (8052) is connected with a fourth bearing (80523) through an L-shaped connecting block (80522), and a roller fixing cover (806) for limiting and guiding the movement side of the fourth bearing (80523) is sleeved on the periphery of the fourth bearing (80523); and a second return spring is arranged in the roller fixing cover (806), and the second return spring can elastically act on the L-shaped connecting block (80522) to elastically return the shaping module (8052).
7. The carrier module of claim 6, wherein the carrier module is a single-piece carrier module,
the shaping module (8052) of the left air cylinder bending module (9) is an arc shaping module with a cylindrical structure, and the shaping module (8052) of the right air cylinder bending module (10) is a flanging shaping module with a baffle plate structure;
the rack module (802) is a square plate rack which is vertically placed, the lower end of the rack module (802) is in driving connection with the second cylinder, and the upper end of the rack module is provided with a linear rack; the second sliding side-shifting module (804) is arranged above the bottom plate (4), and the first end of the second sliding side-shifting module is fixedly connected to the upper end face of the rack module (802); a gear bearing (8033) is arranged at the matching position of the gear fixing seat (8032) and the cylindrical gear (8031);
the single-side bending mechanism is made of high-speed steel.
8. The bending and shaping carrier plate module according to claim 7, further comprising a carrier plate base (5), a temperature controller (15) and an air-jet cooling device (11); the FPC carrier plate (6) is fixed on the bottom plate (4) through a carrier plate base (5); the temperature controller (15) and the air injection cooling device (11) are fixedly arranged on the base plate (4), and the temperature controller (15) is used for providing a constant temperature environment required by product bending; and a cooling air nozzle of the air injection cooling device (11) is aligned to the bending part of the product.
9. A bending and shaping device comprises the bending and shaping carrier plate module according to any one of claims 4 to 8, and is characterized by further comprising an electrical control module (14) which comprises a lower box body (1401), wherein a programmable controller (1402), a solenoid valve assembly (1403), a solid-state relay (1404), a pressure regulating valve (1405), a ship-shaped switch (1406), a power socket (1407), a partition air pipe connector (1408), a power switch (1409), a double-start switch (1410) and an emergency stop switch (1411) are arranged inside the lower box body (1401);
the programmable controller (1402) is electrically connected with the control solenoid valve assembly (1403), the pressure regulating valve (1405) and the solid-state relay (1404); the electromagnetic valve assembly (1403) and the pressure regulating valve (1405) are electrically connected with each driving cylinder of the bending and shaping carrier plate module (13), and the solid relay (1404) is used for electrically connecting and controlling the temperature controller (15); the ship-shaped switch (1406) controls the circuit of the whole device to be switched on and off through a power socket (1407); the double start switch (1410) starts the device through a double start mode, and the emergency stop switch (1411) is used for an emergency shutdown device; the bending and shaping carrier plate module (13) is placed at the upper end of a frame of the lower box body (1401), is hinged with the lower box body (1401) through a hinge (1412) arranged at the rear side of the lower box body (1401), and is buckled and fixed through buckles (1413) arranged at two sides of the lower box body (1401).
10. The bending and shaping device according to claim 9, further comprising an upper shield module (12), wherein the upper shield module (12) is detachably fastened and fixed above the bending and shaping carrier module (13); the upper protective cover module (12) and the bottom plate (4) of the bending and shaping carrier plate module are correspondingly provided with through hole grooves, the upper end of the temperature controller (15) is fixedly connected with the upper protective cover module (12), and the lower end of the temperature controller is fixedly connected with the bottom plate (4) of the bending and shaping carrier plate module; an observation window (1201) is further formed in the upper end of the upper protective cover module (12).
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| CN202210161582.6A CN114554694B (en) | 2022-02-22 | 2022-02-22 | Relative bending mechanism, bending shaping support plate module and bending shaping device |
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| CN202210161582.6A CN114554694B (en) | 2022-02-22 | 2022-02-22 | Relative bending mechanism, bending shaping support plate module and bending shaping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118158904A (en) * | 2024-05-11 | 2024-06-07 | 深圳市优界科技有限公司 | Flexible FPC two-way bending device of new energy automobile and bender thereof |
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| DE102007020466A1 (en) * | 2007-04-27 | 2008-11-06 | Conti Temic Microelectronic Gmbh | Printed circuit board with kinkable connector and the method for producing such a connector |
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