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CN-121974186-A - Quick film-receiving device and method for MLCC film roll

CN121974186ACN 121974186 ACN121974186 ACN 121974186ACN-121974186-A

Abstract

The application discloses a rapid film-receiving device and method for an MLCC film roll, and aims to solve the problems of poor manual film-receiving precision and low efficiency. The method adopts a split type adsorption platform with a through gap on the table top, the first film section is fixed and cut, the second film section is fixed, the end part of the second film section is overlapped with the end part of the first film section, then the second film section is cut at the same gap position, the end parts of the two sections of film materials form accurate butt joint, and finally the two sections of film materials are bonded by automatic rubberizing. The device correspondingly comprises a frame, a split type adsorption platform, a cutting mechanism, a pressing and holding mechanism and an automatic rubberizing mechanism. The application eliminates butt joint error from root by the mechanical forced means of split fixation and position cutting, remarkably improves the film receiving speed and consistency by a full-automatic process, can adapt to film rolls with different specifications by the design of a movable adsorption area and the like, and has the advantages of high precision, high efficiency and high adaptability.

Inventors

  • CAI WEI
  • WU WEIJIAN
  • LIN XIANJUN
  • JIN AO
  • Liang Zican

Assignees

  • 广东微容电子科技股份有限公司

Dates

Publication Date
20260505
Application Date
20251224

Claims (10)

  1. 1. A rapid splicing method for an MLCC film roll, employing an adsorption platform separated by a gap into a first adsorption zone and a second adsorption zone, the method comprising: S1, pulling a first membrane section from one side of the first adsorption zone, which is away from the gap, so that the main body part of the first membrane section is adsorbed and fixed on the first adsorption zone, and the end part of the first membrane section is suspended and adsorbed and fixed on the second adsorption zone; s2, cutting the first film section at the position of the gap, and removing the waste edges at the end part of the first film section positioned on the second adsorption area after cutting; S3, pulling the second membrane section from one side of the second adsorption zone, which is away from the gap, so that the main body part of the second membrane section is adsorbed and fixed on the second adsorption zone, and the end part of the second membrane section is suspended above the first adsorption zone and is overlapped with the main body end part of the first membrane section; S4, pressing the second film section to span to the end part above the first adsorption area, cutting the second film section at the same position of the gap, and removing the end slitter edge of the second film section after cutting, so that the main body end parts of the first film section and the second film section form a butt joint seam at the gap; and S5, jointing the butt joint.
  2. 2. The method according to claim 1, wherein the cutting in steps S2 and S4 is performed by a cutting blade disposed directly under the slit to perform a vertical lifting motion.
  3. 3. The method according to claim 1 or 2, wherein in step S4, the end of the second film segment is pressed by a mechanical pressing mechanism.
  4. 4. A film splicing device for an MLCC film roll, comprising: a frame (100); The split type adsorption platform (200) is fixedly arranged on the frame (100), the table surface of the split type adsorption platform is provided with a through gap (210), and the gap (210) divides the platform into a first adsorption area (220) and a second adsorption area (230) which are independent in structure and can respectively control the on-off of vacuum; the first film unreeling module (300) is arranged at one side of the first adsorption zone (220) away from the gap (210); The second film unreeling module (400) is arranged at one side of the second adsorption zone (230) away from the gap (210); the cutting mechanism (500) is provided with a cutting driving assembly (510) which is arranged on the frame (100), a cutting blade (520) is positioned right below the gap (210), and the cutting driving assembly (510) is configured to drive the cutting blade (520) to do lifting motion along the direction perpendicular to the table top of the split type adsorption platform (200); The pressing mechanism (600) is arranged above the split type adsorption platform (200) and comprises at least one pressing head (610) capable of performing lifting movement, and the movement range of the pressing head (610) covers the area, adjacent to the gap (210), of the first adsorption area (220) and/or the second adsorption area (230); The automatic rubberizing mechanism (700) is arranged above the split type adsorption platform (200) as a joint mechanism.
  5. 5. The quick film splicing device for MLCC film rolls as defined in claim 4, wherein: At least one side of the first adsorption zone (220) and the second adsorption zone (230) is provided with a movable adsorption zone (900), the movable adsorption zones (900) are arranged in pairs and correspond to the first adsorption zone (220) and the second adsorption zone (230) respectively, when in a storage state, the movable adsorption zone (900) is positioned below the bottom of the corresponding adsorption zone, the movable adsorption zone (900) is connected with a horizontal driving assembly (910) and a lifting driving piece (920), the horizontal driving assembly (910) is used for driving the horizontal driving assembly to horizontally move to the side of the corresponding adsorption zone, and the lifting driving piece (920) is used for driving the lifting driving assembly to rise to a working position, so that the working surface of the movable adsorption zone (900) is flush with the working surface of the corresponding first adsorption zone (220) or second adsorption zone (230).
  6. 6. The quick film splicing device for MLCC film rolls as defined in claim 4, wherein: the pressing mechanism (600) comprises a pressing horizontal driving mechanism (620) arranged on the frame (100), a pressing lifting driving mechanism (630) in transmission connection with the pressing horizontal driving mechanism (620), and a pressing head (610) in transmission connection with the pressing lifting driving mechanism (630); The pressing horizontal driving mechanism (620) is configured to drive the pressing lifting driving mechanism (630) and the pressing head (610) to horizontally move along a direction parallel to the table top of the split type adsorption platform (200) and perpendicular to the gap (210), so that the pressing head (610) can be selectively positioned at a pressing station right above the gap (210) or retracted to an avoidance station at the side of the automatic rubberizing mechanism (700); The hold-down lift drive mechanism (630) is configured to drive the hold-down head (610) to perform a lift motion perpendicular to the table top to perform hold-down or release when the hold-down head (610) is located at the hold-down station.
  7. 7. The quick film splicing device for MLCC film rolls as claimed in claim 4, wherein said automatic rubberizing mechanism (700) comprises: a translational drive assembly (710) mounted to the frame (100) for providing drive parallel to the direction of the gap (210); The lifting installation assembly (720) is connected with the output end of the translation driving assembly (710), and is driven by the translation driving assembly (710) to horizontally move; A mounting substrate (730) fixedly connected to the end of the elevation mounting assembly (720); a tape fixing module (740) provided on the mounting substrate (730) for mounting and releasing a tape roll; The first compression roller assembly comprises a first mounting plate (751), a first driving cylinder (752) and a first compression roller (753), wherein one end of the first mounting plate (751) is rotationally connected with the mounting substrate (730), a cylinder body of the first driving cylinder (752) is hinged with the mounting substrate (730), the tail end of a piston rod of the cylinder body is hinged with the first mounting plate (751), the first mounting plate (751) is driven to swing around the rotating end of the first mounting plate through expansion and contraction, so that the first compression roller (753) arranged at the free end of the first mounting plate swings along with the rotating end of the first mounting plate to realize pressing or lifting, and a vacuum adsorption structure is arranged on the partial surface of the first compression roller (753); The second compression roller assembly comprises a second mounting plate (761), a second driving cylinder (762) and a second compression roller (763), wherein the second mounting plate (761) is fixedly connected with the mounting substrate (730), a cylinder body of the second driving cylinder (762) is fixed to the second mounting plate (761), and the second compression roller (763) is mounted at the tail end of a piston rod of the second driving cylinder.
  8. 8. The quick film splicing device for MLCC film rolls as defined in claim 7, wherein: The projection position of the first press roller (753) on the mounting substrate (730) is located in front of the second press roller (763) along the driving direction of the translation driving assembly (710).
  9. 9. The rapid membrane receiving device for an MLCC membrane roll of claim 4, further comprising a slitter edge removal mechanism comprising a movable suction nozzle or clamping jaw disposed above the split suction platform (200).
  10. 10. The rapid membrane receiving device for an MLCC membrane roll of claim 6, further comprising a control system electrically connected to the split adsorption platform (200), the cutting mechanism (500), the holding mechanism (600) and the automated rubberizing mechanism (700).

Description

Quick film-receiving device and method for MLCC film roll Technical Field The application relates to the technical field of MLCC (multi-layer ceramic) manufacture, in particular to a rapid membrane receiving device and a rapid membrane receiving method for an MLCC membrane roll. Background In the manufacturing process of a chip Multi-layer ceramic capacitor (MLCC, multi-LAYER CERAMIC Capacitors), a green tape after casting molding needs to be processed in a roll form. When a roll of film is used up, the tail end of the roll of film is connected with the head end of a new roll of film (i.e., the film is connected) so as to ensure the production continuity. Currently, this procedure generally relies on manual operations. The operator needs to manually pull the film material, align, cut the film material by an art designer knife and then paste the film material by using an adhesive tape to finish the joint. The method has the obvious defects that the manual cutting is difficult to ensure the flatness of the cut, the alignment precision is poor, burrs and tears are easy to generate, the firmness and consistency of the adhesive tape pasting are difficult to control, the whole process is time-consuming and labor-consuming, the efficiency is low, and the ultrathin fragile MLCC membrane is easy to damage due to improper operation. With the development of MLCC (multi-layer ceramic) to thinner layers and higher precision, the requirements of modern automatic production on precision, efficiency, stability and protection of membrane materials cannot be met by manual membrane grafting. Therefore, an automated film joining technology and apparatus capable of realizing high accuracy, high efficiency, and high reliability are urgently needed. Disclosure of Invention Based on this, there is a need to provide a fast film splicing apparatus and method for MLCC film rolls to solve the problems in the prior art. The above object of the present application is achieved by the following technical solutions: in a first aspect, the present application provides a rapid film splicing method for an MLCC film roll, employing an adsorption platform separated by a gap into a first adsorption zone and a second adsorption zone, the method comprising: S1, pulling a first membrane section from one side of the first adsorption zone, which is away from the gap, so that the main body part of the first membrane section is adsorbed and fixed on the first adsorption zone, and the end part of the first membrane section is suspended and adsorbed and fixed on the second adsorption zone; s2, cutting the first film section at the position of the gap, and removing the waste edges at the end part of the first film section positioned on the second adsorption area after cutting; S3, pulling the second membrane section from one side of the second adsorption zone, which is away from the gap, so that the main body part of the second membrane section is adsorbed and fixed on the second adsorption zone, and the end part of the second membrane section is suspended above the first adsorption zone and is overlapped with the main body end part of the first membrane section; S4, pressing the second film section to span to the end part above the first adsorption area, cutting the second film section at the same position of the gap, and removing the end slitter edge of the second film section after cutting, so that the main body end parts of the first film section and the second film section form a butt joint seam at the gap; and S5, jointing the butt joint. In one embodiment, the cutting in steps S2 and S4 is performed by a cutting blade disposed directly below the slit. In one embodiment, in step S4, the end of the second film segment is pressed by a mechanical pressing mechanism. In a second aspect, the present application provides a quick film splicing apparatus for an MLCC film roll, comprising: A frame; The split type adsorption platform is fixedly arranged on the rack, the table surface of the split type adsorption platform is provided with a through gap, and the split type adsorption platform is divided into a first adsorption area and a second adsorption area which are independent in structure and can respectively control vacuum on-off; the first film unreeling module is arranged at one side of the first adsorption area, which is away from the gap; the second film unreeling module is arranged at one side of the second adsorption area, which is away from the gap; The cutting driving assembly is arranged on the frame, the cutting blade is positioned right below the gap, and the cutting driving assembly is configured to drive the cutting blade to do lifting motion along the direction perpendicular to the split type adsorption platform table top; the pressing mechanism is arranged above the split type adsorption platform and comprises at least one pressing head capable of performing lifting movement, and the movement range of the pressing head covers the area, adj