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JP-7857394-B2 - Tape feeder

JP7857394B2JP 7857394 B2JP7857394 B2JP 7857394B2JP-7857394-B2

Inventors

  • 細井 規生

Assignees

  • 株式会社FUJI

Dates

Publication Date
20260512
Application Date
20220215

Claims (5)

  1. A tape feeder that feeds a component supply tape, which consists of a carrier tape containing multiple components with a cover tape attached to it, to a predetermined supply position, and peels off the cover tape from the carrier tape just before reaching the supply position to expose the components on the carrier tape, A pair of feed gears that mesh with each other and sandwich the cover tape, A drive motor rotates the pair of feed gears so that the cover tape is pulled in, A rotating gear that is directly or indirectly meshed with one of the pair of feed gears, A one-way clutch is provided on the rotating gear, such that the rotating gear rotates freely in relation to the rotation of the pair of feed gears in the direction in which the cover tape is pulled in, A torque limiter provided on the aforementioned rotating gear or another rotating gear that meshes with the aforementioned rotating gear, A motor gear attached to the drive motor and meshed directly or indirectly with one of the feed gears, A drive gear that meshes with the motor gear and the rotation gear and rotates integrally with one of the feed gears, A tape feeder equipped with a tape feeder.
  2. A tape feeder according to claim 1, The drive motor is positioned such that a motor gear attached to the drive motor meshes directly or indirectly with one of the feed gears, at a position different from the rotation gear. Tape feeder.
  3. A tape feeder according to claim 2, The drive motor is positioned on the opposite side of the rotating gear, with the feed gear in between. Tape feeder.
  4. A tape feeder according to any one of claims 1 to 3 , The drive gear has an outer diameter larger than that of one of the pair of feed gears and, in an axial view as seen from the axial direction, encompasses the other of the pair of feed gears. Tape feeder.
  5. A tape feeder according to any one of claims 1 to 4 , The one-way clutch and the torque limiter are mounted coaxially. Tape feeder.

Description

This specification discloses a tape feeder and a method for feeding cover tape. Conventionally, tape feeders are known that supply components by transporting a carrier tape containing components to be mounted on a circuit board to a supply position while peeling off the cover tape from a component supply tape, which has a cover tape attached to the carrier tape. For example, Patent Document 1 discloses a tape feeder that peels off the cover tape by gripping and pulling it in with a pair of retraction gears that mesh with each other. In this tape feeder, a one-way clutch is fitted between one of the pair of retraction gears and its rotating shaft to prevent the cover tape from rolling back. Furthermore, in this tape feeder, in order to cause the cover tape to roll back if the operator accidentally pulls out too much cover tape, the frictional force of the fitting portion between the retraction gear and the one-way clutch is adjusted so that when a large force is applied to one of the retraction gears in the opposite direction to the peeling direction of the cover tape, the retraction gear slips and rotates in the opposite direction to the one-way clutch. Japanese Patent Publication No. 2017-191891 This is a schematic diagram of component mounting system 1.This is a perspective view of the feeder stand 20 and the tape feeder 30.This is a perspective view of the tape reel 60.This is a side view of the main body 50.This is a side view of the cover tape retraction mechanism 80.This is a cross-sectional view of the rotating gear 86 when it is cut by a plane perpendicular to the fixed shaft 87.This is a cross-sectional view of the rotating gear 86 when it is cut through a plane passing through the fixed shaft 87.This is an explanatory diagram showing how various gears rotate.This is an explanatory diagram showing how various gears rotate.This is a cross-sectional view of the modified rotating gear 86 when it is cut through a plane passing through the fixed shaft 87 and the rotating shaft 187. Preferred embodiments of the present invention will be described below with reference to the drawings. Figure 1 is a schematic diagram of the component mounting system 1. Figure 2 is a perspective view of the feeder stand 20 and the tape feeder 30. Figure 3 is a perspective view of the tape reel 60. Figure 4 is a side view of the main body 50. Figure 5 is a side view of the cover tape reeling mechanism 80. Figure 6 is a cross-sectional view of the rotating gear 86 when cut by a plane perpendicular to the fixed shaft 87. Figure 7 is a cross-sectional view of the rotating gear 86 when cut by a plane passing through the fixed shaft 87. The left-right direction shown in Figures 1 and 2 is the X-axis direction (perpendicular to the plane of the paper in Figures 4, 5, 8A, and 8B), the front-back direction shown in Figures 1, 2, 4, and 5 is the Y-axis direction, and the up-down direction shown in Figures 1, 2, 4, and 5 is the Z-axis direction. For the sake of clarity, in Figure 4, the carrier tape feeding mechanism 70, the pair of retraction gears 82 and 83, the motor gear 84, the drive gear 85, and the rotary gear 86 are shown with dashed lines, and in Figure 5, the drive motor 81 is shown with a dashed line. The component mounting system 1 produces a substrate S on which components P are mounted, and includes a plurality of component mounting machines 10 arranged along the transport direction of the substrate S. In addition, the component mounting system 1 includes a printing machine for printing solder onto the substrate S, a printing inspection machine for inspecting the condition of the solder printed by the printing machine, a visual inspection device for checking whether the components P are mounted in the correct position on the substrate S, a reflow device for heating the substrate S to melt the solder, then cooling it to electrically connect the components P onto the substrate S and fix the components P to the substrate S, and a management device for managing the entire component mounting system 1. The component mounting machine 10 collects components P supplied from the tape feeder 30 using a sampling member and mounts them onto a circuit board S. The component mounting machine 10 is equipped with a head capable of holding multiple sampling members, a head moving device for horizontally moving the head, a lifting device for vertically moving the sampling members relative to the head, and a control device for controlling the entire component mounting machine 10. As shown in Figure 2, the tape feeder 30 is set on a feeder stand 20 provided on the component mounting machine 10. As shown in Figure 2, the tape feeder 30 comprises a holding part 40, a main body part 50, a rail 51 provided at the lower part of the main body part 50, and a connector 52 provided at the tip of the main body part 50. In addition, the tape feeder 30 includes a control device that controls the entire tape feeder 30. The feeder stand 20 has a plurality