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CN-116828716-B - Automatic pressing equipment for FPC

CN116828716BCN 116828716 BCN116828716 BCN 116828716BCN-116828716-B

Abstract

The invention discloses an FPC automatic pressing device, which comprises an upper shield, a lower frame and a frame inner assembly, wherein the frame inner assembly comprises a width adjusting rail, a stop assembly, a lower die jacking assembly and an upper die pressing assembly, the width adjusting rail is positioned in the center of the device and is arranged in a large plate of the device, the stop assembly is positioned at an outlet and inlet of the width adjusting rail, the lower die jacking assembly is positioned below the large plate of the device, and the upper die pressing assembly is positioned right above the lower die jacking assembly and the width adjusting rail.

Inventors

  • ER GUJI
  • YU LONGFEI
  • ZHANG FENG

Assignees

  • 苏州市华研长荣电子科技有限公司

Dates

Publication Date
20260508
Application Date
20230809

Claims (7)

  1. 1. The automatic FPC pressing equipment is characterized by comprising an upper shield (11), a lower frame (15) and a frame inner assembly, wherein the frame inner assembly comprises a width adjusting rail (16), a stop assembly (17), a lower die jacking assembly (18) and an upper die pressing assembly (19), the width adjusting rail (16) is positioned in the center of the equipment and is arranged in a large equipment plate, the stop assembly (17) is positioned at an inlet and an outlet of the width adjusting rail (16), the lower die jacking assembly (18) is positioned below the large equipment plate, and the upper die pressing assembly (19) is positioned right above the lower die jacking assembly (18) and the width adjusting rail (16); The width adjusting track (16) comprises an aluminum profile (16-1), a first linear guide rail (16-2), a screw rod (16-3), a first stepping motor (16-4), a stepping motor seat (16-5), a synchronous pulley (16-6), a synchronous belt (16-7), a supporting bearing seat (16-8), a first screw rod nut (16-9), a drawing plate (16-10), a sliding table cylinder (16-11), a second stepping motor (16-12), a stepping motor adjusting seat (16-13), a driving wheel (16-14), a belt pulley (16-15), a flat belt (16-16), a limiting bearing (16-17) and a photoelectric sensor (16-18); The stop assembly (17) comprises a third stepping motor (17-1), a motor mounting seat (17-2), a gear (17-3), a rack (17-4), a second linear guide rail (17-5), a limiting optimal force adhesive (17-6), a first photoelectric sensing piece (17-7), a gear rack module base (17-8), a first groove type switch (17-9), a blocking cylinder fixing block (17-10), a rotary clamping cylinder (17-11) and a blocking block (17-12); The lower die jacking assembly (18) comprises a first servo motor (18-1), a first speed reducer (18-2), a first speed reducer fixing plate (18-3), a first coupler (18-4), a first speed reducer supporting plate (18-5), a lower die lower fixing plate (18-6), a bearing chamber (18-7), a first ball screw (18-8), a first supporting column (18-9), a linear bearing (18-10), a first moving plate (18-11), a first moving guide rod (18-12), a second screw nut (18-13), a second groove type switch (18-14), a photoelectric fixing seat (18-15), a second photoelectric sensing piece (18-16), a lower die upper fixing plate (18-17), a lower die upper fixing plate (18-18), a heat insulating plate (18-19), a jacking carrier plate (18-20), a heating fixing plate (18-21), a second supporting column (18-22), a cold pressing fixing plate (18-23) and a positioning pin (18-24); The upper die pressing assembly (19) comprises a second servo motor (19-1), a second speed reducer (19-2), a second speed reducer fixing plate (19-3), a second speed reducer supporting plate (19-4), a second coupler (19-5), a screw rod fixing seat (19-6), a second ball screw (19-7), a first upper die fixing plate (19-8), a third screw rod nut (19-9), a third supporting column (19-10), a second moving plate (19-11), an upper die large plate (19-12), a second moving guide rod (19-13), a second upper die fixing plate (19-14), a PSA upper die fixing plate (19-15), an upper die fixing plate mounting bar (19-16), a PSA upper die pressing head (19-17), a fourth supporting column (19-18) and a CCD assembly (19-19).
  2. 2. The FPC automatic pressing device according to claim 1, wherein the upper shield (11) is further provided with a man-machine interaction interface (12) and a device shield visual window (13).
  3. 3. The automatic pressing device for FPC according to claim 1, wherein the width-adjusting rail (16) is constructed by aluminum profiles (16-1), a belt pulley (16-15) and a driving wheel (16-14) are arranged on the inner sides of the two aluminum profiles (16-1), the flat belt (16-16) is wound on the belt pulley (16-15), the driving wheel (16-14) is connected with a second stepping motor (16-12), the second stepping motor (16-12) is arranged on the aluminum profiles (16-1) through a stepping motor adjusting seat (16-13), the flat belt (16-16) is driven to move by the rotating motion of the second stepping motor (16-12) to realize the product motion, the aluminum profiles (16-1) are arranged on a first linear guide rail (16-2), meanwhile, a first screw nut (16-9) is connected with the aluminum profiles (16-1), one end of a screw (16-3) is arranged on a supporting bearing seat (16-8), the tail end of the screw (16-3) is connected with a belt pulley (16-6) through a synchronous belt pulley (16-6) and the other synchronous belt pulley (16-6) is connected with the other synchronous belt pulley (16-6), the automatic width adjustment device is characterized in that the first stepping motor (16-4) is fixed on a large plate of equipment through the stepping motor seat (16-5), the first stepping motor (16-4) screw rod module drives the aluminum profile (16-1) to move on the first linear guide rail (16-2) to realize automatic width adjustment, a limit bearing (16-17) is arranged above the flat belt (16-16), a sliding table cylinder (16-11) is arranged on the outer side of the aluminum profile (16-1), a material pulling plate (16-10) is arranged above the sliding table cylinder, and photoelectric sensors (16-18) are arranged at the front end and the rear end of the aluminum profile (16-1) to detect inflow and outflow of products.
  4. 4. The FPC automatic laminating equipment according to claim 1, wherein the bottom of the stop component (17) is a rack and pinion module base (17-8), a second linear guide rail (17-5), a limiting optimal force adhesive (17-6), a rack (17-4) and a first groove-type switch (17-9) are sequentially arranged above the stop component, a motor mounting seat (17-2) is arranged on a sliding block of the second linear guide rail (17-5), a third stepping motor (17-1) is arranged above the motor mounting seat (17-2), a motor shaft of the third stepping motor is matched with a hole site of a gear (17-3), the gear (17-3) is meshed with the rack (17-4) through jackscrews, a first photoelectric sensing piece (17-7) is arranged on the rack (17-4), a blocking air cylinder fixing block (17-10) is arranged on the side surface of the motor mounting seat (17-2), a rotary clamping air cylinder (17-11) is arranged above the blocking air cylinder fixing block, the rotary clamping air cylinder (17-11) is connected with the blocking block (17-12), and when the third stepping motor (17-1) drives the gear (17-3) to rotate, the gear (17-3) to rotate through the third stepping motor, and the gear (17-3) rotates The rotary clamping cylinder (17-11) moves linearly on the second linear guide rail (17-5) together to realize the forward and backward movement of the blocking piece (17-12), and meanwhile, the rotary clamping cylinder (17-11) can realize the ascending and descending of the blocking piece (17-12) through air pressure.
  5. 5. The automatic pressing device for FPC as claimed in claim 1, wherein the lower die lifting assembly (18) is driven by a first servo motor (18-1) and matched with a first ball screw (18-8), a linear bearing (18-10) is used for driving, so that the upper and lower movements of a cold pressing die fixing plate (18-23) are realized, the first servo motor (18-1) and a first speed reducer (18-2) are arranged on the first speed reducer fixing plate (18-3), the first speed reducer fixing plate (18-3) and a first speed reducer supporting plate (18-5) are fixed on a lower die fixing plate (18-6) through the first speed reducer, the first speed reducer fixing plate (18-3) is connected with the first ball screw (18-8) through a first coupler (18-4), one end of the first ball screw (18-8) is fixed on the lower die fixing plate (18-6) through a bearing chamber (18-7), the other end of the first servo motor is fixed on the lower die fixing plate (18-3), the first speed reducer supporting plate (18-5) is connected with the first ball screw (18-8) through the first coupler (18-18) and the first ball screw (18-18) is connected with the first die fixing plate (18-17), the first support column (18-9) is internally provided with a linear bearing (18-10), the first moving plate (18-11) is connected with the linear bearing (18-10), the adapter plate (18-18) is connected with the first moving plate (18-11) through a first moving guide rod (18-12), a heat insulation plate (18-19), a lifting carrier plate (18-20), a heating fixed plate (18-21), a second support column (18-22) and a cold pressing die fixed plate (18-23) are sequentially arranged above the adapter plate, the first moving plate (18-18) is connected with the first moving plate (18-11) through a first moving guide rod (18-12), the first moving plate (18-11) connected with the second moving guide rod nut drives the linear bearing (18-10) to slide on the first support column (18-9) and the cold pressing die fixed plate (18-23) due to the fact that the first moving plate (18-23) is connected with the cold pressing die fixed plate (18-23) due to the fact that when the first servo motor (18-1) rotates, the side face of the first movable plate (18-11) is also provided with a photoelectric fixing seat (18-15), and the photoelectric fixing seat (18-15) is provided with a second photoelectric sensing piece (18-16) and a second groove-shaped switch (18-14).
  6. 6. The automatic pressing device for FPC as claimed in claim 1, wherein the second servo motor (19-1) and the second speed reducer (19-2) are installed in the second speed reducer fixing plate (19-3), the second speed reducer fixing plate (19-3) is fixed on the first upper die fixing plate (19-8) through two second speed reducer supporting plates (19-4), the second speed reducer (19-2) shaft is connected with the second ball screw (19-7) through a second coupling (19-5), one end of the second ball screw (19-7) is installed on the first upper die fixing plate (19-8) through a screw fixing seat (19-6), the other end of the second ball screw is fixed on the upper die fixing plate (19-12), the third screw nut (19-9) is connected with the second moving plate (19-11), one side of the upper die fixing plate (19-12) is connected with the second upper die fixing plate (19-14) through 4 third supporting columns (19-10), the other side of the second upper die fixing plate (19-12) is connected with the second upper die fixing plate (19-14) through 4-6, the other side of the second ball screw (19-7) is connected with the second upper die fixing plate (19-12) through a screw fixing seat (19-12), the second upper die fixing plate (19-14) is provided with a PSA upper die fixing plate (19-15) and an upper die fixing plate mounting strip (19-16) below, the PSA upper die fixing plate (19-15) is provided with a PSA upper die pressing head (19-17) below, the side surface of the upper die big plate (19-12) is also provided with a CCD component (19-19), when the second servo motor (19-1) is driven, the second ball screw (19-7) rotates to drive a third screw nut (19-9) to roll on the second ball screw (19-7) to drive the second moving plate (19-11) to move up and down, and the second upper die fixing plate (19-14), the PSA upper die pressing head (19-17) and the second moving plate (19-11) are connected into a whole, so that the PSA upper die pressing head (19-17) moves up and down.
  7. 7. The automatic pressing device for the FPC is characterized in that the pressure head (19-17) on the PSA comprises a sliding fixing plate (19-17-1), a third linear guide rail (19-17-2), a pressure gauge (19-17-3), a pressure head slider fixing plate (19-17-4) and a PSA silica gel pressure head (19-17-5), the third linear guide rail (19-17-2) and the pressure gauge (19-17-3) are arranged in the sliding fixing plate (19-17-1), the pressure head slider fixing plate (19-17-4) is arranged on the third linear guide rail (19-17-2), and the PSA silica gel pressure head (19-17-5) is arranged below the pressure head slider fixing plate (19-17-4).

Description

Automatic pressing equipment for FPC Technical Field The invention belongs to the field of PCB lamination equipment, and particularly relates to FPC automatic lamination equipment. Background In the production process of the FPC flexible circuit board in the SMT industry, the FPC flexible circuit board is in a multi-jointed board mode in production and manufacture, and before the FPC board is cut, the key parts of the FPC are required to be positioned and protected by attaching PSA glue. In the manufacturing process, the effect of activating the PSA glue during attachment needs to be ensured, and the pressure is applied appropriately without glue overflow. At present, the common mode in the industry is that two upper and lower moulds exert pressure to activate PSA glue on FPC, and an integral pressing mode is adopted, so that uneven PSA glue laminating effect caused by errors in mould processing and manufacturing precision and accumulated errors in grinding tool installation can exist, and further the phenomenon that PSA glue is not activated or excessive pressure is generated due to overlarge pressure of PSA glue on the upper part of the whole FPC flexible board is influenced, and the product quality can be influenced. When damage appears in a certain pressure head position on the mould, the whole plate pressing mould needs to be replaced integrally, the cost is high, and the debugging is time-consuming and labor-consuming. Disclosure of Invention Aiming at the problems, the technical problem to be solved by the invention is to provide an automatic FPC pressing device which solves the problems that the FPC is uneven and unstable when PSA glue is pressed and the die is complex to install and maintain manually, the device comprises an upper shield, a lower frame and a frame inner assembly, wherein the frame inner assembly comprises a width adjusting rail, a stop assembly, a lower die jacking assembly and an upper die pressing assembly, the width adjusting rail is positioned in the center of the device and is arranged in a large plate of the device, the stop assembly is positioned at an outlet and an inlet of the width adjusting rail, the lower die jacking assembly is positioned below the large plate of the device, and the upper die pressing assembly is positioned right above the lower die jacking assembly and the width adjusting rail; The width adjusting track comprises an aluminum profile, a first linear guide rail, a screw rod, a first stepping motor, a stepping motor seat, a synchronous pulley, a synchronous belt, a supporting bearing seat, a first screw rod nut, a material pulling plate, a sliding table cylinder, a second stepping motor, a stepping motor adjusting seat, a driving wheel, a belt pulley, a flat belt, a limiting bearing and a photoelectric sensor; The stop component comprises a third stepping motor, a motor mounting seat, a gear, a rack, a second linear guide rail, a limiting force glue, a first photoelectric sensing piece, a gear rack module base, a first groove type switch, a blocking cylinder fixing block, a rotary clamping cylinder and a blocking block; The lower die jacking assembly comprises a first servo motor, a first speed reducer fixing plate, a first coupler, a first speed reducer supporting plate, a lower die lower fixing plate, a bearing chamber, a first ball screw, a first supporting column, a linear bearing, a first moving plate, a first moving guide rod, a second screw rod nut, a second groove type switch, a photoelectric fixing seat, a second photoelectric sensing piece, a lower die upper fixing plate, an adapter plate, a heat insulation plate, a jacking carrier plate, a heating fixing plate, a second supporting column, a cold pressing die fixing plate and a positioning pin; the upper die pressing assembly comprises a second servo motor, a second speed reducer fixing plate, a second speed reducer supporting plate, a second coupler, a screw rod fixing seat, a second ball screw, a first upper die fixing plate, a third screw rod nut, a third supporting column, a second moving plate, an upper die large plate, a second moving guide rod, a second upper die fixing plate, a PSA upper die fixing plate, an upper die fixing plate mounting strip, a PSA upper die pressing head, a fourth supporting column and a CCD assembly. Preferably, the upper shield is also provided with a man-machine interaction interface and a device shield visual window. Preferably, the width-adjusting track main body is built by an aluminum profile, two belt pulleys and a driving wheel are mounted on the inner sides of the aluminum profile, the flat belt is wound on the belt pulleys, the driving wheel is connected with a second stepping motor, the second stepping motor is mounted on the aluminum profile through a stepping motor adjusting seat, the flat belt is driven to move through the rotary motion of the second stepping motor to realize product motion, the aluminum profile is mounted on a first linear guide rai