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CN-224222346-U - Wire drawing machine structure of bonding wire

CN224222346UCN 224222346 UCN224222346 UCN 224222346UCN-224222346-U

Abstract

The utility model discloses a wire drawing machine structure for bonding wires, which comprises a positioning substrate, wherein one side of the positioning substrate is provided with a servo motor, an output shaft of the servo motor is connected with a transmission wheel in a key manner, two sides of the transmission wheel are provided with rotating plates, the upper ends of the rotating plates are provided with pressing wheels, a first spring is connected between the lower parts of the two rotating plates, an output shaft of the servo motor is sleeved with a movable sleeve, one side of the movable sleeve is connected with an adjusting plate, two sides of the adjusting plate are respectively provided with a connecting plate and a poking wheel, the upper end of the middle of the positioning substrate is provided with a positioning plate, and a second spring is connected between the positioning plate and the connecting plate. According to the utility model, the bonding wire is conveyed through the conveying wheel pair, the wrap angle of the bonding wire in contact with the conveying wheel is kept through the pressing wheel, and the bonding wire is tightness-adjusted through the poking wheel pair, so that stable pulling of the bonding wire is ensured, and the bonding wire is prevented from breaking in the wire drawing process.

Inventors

  • LI SHENGWEI
  • LI YANQIONG

Assignees

  • 深圳中宝新材科技有限公司

Dates

Publication Date
20260512
Application Date
20250402

Claims (7)

  1. 1. The wire drawing machine structure for bonding wires comprises a positioning substrate (1) and is characterized in that a servo motor (7) is fixedly arranged on one side of the positioning substrate (1), an output shaft key of the servo motor (7) is connected with a transmission wheel (8), two sides of the transmission wheel (8) are provided with rotating plates (9) with the bottom ends movably connected, pressing wheels (10) are movably arranged at the upper ends of the rotating plates (9), and a first spring (11) is fixedly connected between the lower parts of the two rotating plates (9); The automatic transmission device is characterized in that a movable sleeve (12) is sleeved on an output shaft of the servo motor (7), one side of the movable sleeve (12) is fixedly connected with an adjusting plate (13), one side of the adjusting plate (13) is fixedly provided with a connecting plate (17), the other side of the adjusting plate (13) is movably provided with a poking wheel (14), the upper end of the middle of the positioning substrate (1) is fixedly provided with a positioning plate (16), and a second spring (15) is fixedly connected between the positioning plate (16) and the connecting plate (17).
  2. 2. The wire drawing machine structure of bonding wires according to claim 1, wherein one end of the positioning substrate (1) is provided with a through hole (2), two ends of one side of the through hole (2) are fixedly provided with U-shaped frames (5), a wire drawing plate (33) is movably installed between the two U-shaped frames (5), a plurality of wire drawing holes (3) are formed in the wire drawing plate (33), and a blade ring (4) is fixedly arranged in the middle of the wire drawing holes (3).
  3. 3. The bonding wire drawing machine structure according to claim 2, wherein the upper end of the drawing plate (33) is provided with a tight supporting groove (19), the middle thread of the U-shaped frame (5) at the upper end is connected with a locking bolt (20), and the end part of the locking bolt (20) is movably positioned in the tight supporting groove (19).
  4. 4. The wire drawing machine structure of bonding wires according to claim 2, wherein the positioning substrate (1) is fixedly provided with a first mounting column (21) on one side of the through hole (2), a first sliding groove (22) is formed in the first mounting column (21), a first screw rod (23) is arranged in the first mounting column (21) in a penetrating mode, a first moving block (24) is connected to the first screw rod (23) in a threaded mode, and a supporting wheel (6) is arranged on one side of the first moving block (24).
  5. 5. The bonding wire drawing machine structure according to claim 1, wherein two pressing wheels (10) are respectively arranged at two sides of the transmission wheel (8), and the poking wheel (14) is arranged at the upper end of one pressing wheel (10).
  6. 6. The wire drawing machine structure for bonding wires according to claim 1, wherein fixing plates (32) are welded at two ends of one side of the positioning substrate (1).
  7. 7. The wire drawing machine structure of bonding wires according to claim 1 is characterized in that the bottom ends of the two rotating plates (9) are respectively and movably connected to the positioning base plate (1) through pin shafts (18).

Description

Wire drawing machine structure of bonding wire Technical Field The utility model belongs to the technical field of bonding wires, and particularly relates to a wire drawing machine structure of a bonding wire. Background The bonding wire is used as an inner lead for packaging, and is one of essential basic raw materials in the packaging manufacturing process of integrated circuits, semiconductor discrete devices and LED light source devices. As a bonding wire between the chip and the bracket, the key electric connection function between the chip and the outside is born. With the development of packaging technology, the material of bonding wires has been a plurality of product families consisting of single materials and related composite materials for gold, silver, copper and aluminum. When the existing bonding wire is produced, a wire drawing structure is needed to be used for wire drawing generation, and the wire drawing structure is common metal processing equipment and is widely applied to the metal processing industry. However, the prior art has some problems that when the prior wire drawing structure is used, the bonding wire is easy to break because hard drawing treatment is needed to be carried out on the bonding wire, and stable wire drawing conveying cannot be realized, so that the wire drawing machine structure of the bonding wire is provided. Disclosure of utility model Aiming at the problems existing in the prior art, the utility model aims to provide a wire drawing machine structure for bonding wires, which is characterized in that the bonding wires are conveyed through a conveying wheel, the wrap angle of the bonding wires, which are in contact with the conveying wheel, is kept through a pressing wheel, and the bonding wires are subjected to tightness adjustment through a poking wheel, so that stable pulling of the bonding wires is ensured, and the bonding wires are prevented from breaking in the wire drawing process. The utility model discloses a wire drawing machine structure of a bonding wire, which comprises a positioning substrate, wherein one side of the positioning substrate is fixedly provided with a servo motor, an output shaft key of the servo motor is connected with a transmission wheel, two sides of the transmission wheel are provided with rotating plates with the bottom ends movably connected, the upper ends of the rotating plates are movably provided with pressing wheels, and a first spring is fixedly connected between the lower parts of the two rotating plates; the output shaft of the servo motor is sleeved with a movable sleeve, one side of the movable sleeve is fixedly connected with an adjusting plate, one side of the adjusting plate is fixedly provided with a connecting plate, the other side of the adjusting plate is movably provided with a poking wheel, the upper end of the middle of the positioning base plate is fixedly provided with a positioning plate, and a second spring is fixedly connected between the positioning plate and the connecting plate. Specifically, the through hole has been seted up to the one end of locating substrate, the fixed U shaped frame that is equipped with in one side both ends of through hole, two movable mounting has the wire drawing board between the U shaped frame, a plurality of wire drawing hole has been seted up on the wire drawing board, the fixed sword ring that is equipped with in centre in wire drawing hole. Specifically, the upper end of the wire drawing plate is provided with a tight supporting groove, the middle thread of the U-shaped frame at the upper end is connected with a locking bolt, and the end part of the locking bolt is movably positioned in the tight supporting groove. Specifically, the locating base plate is in one side of the through hole is fixedly provided with a first mounting column, a first sliding groove is formed in the first mounting column, a first screw rod penetrates through the first mounting column, a first moving block is connected to the first screw rod in a threaded mode, and a supporting wheel is arranged on one side of the first moving block. Specifically, two the pressfitting wheel sets up respectively the both sides of transmission wheel, stir the wheel setting in one side the upper end of pressfitting wheel. Specifically, fixed plates are welded at two ends of one side of the positioning substrate respectively. Specifically, the bottom ends of the two rotating plates are respectively and movably connected to the positioning substrate through pin shafts. Compared with the prior art, the utility model has the beneficial effects that: When the wire-drawing bonding wire conveying device is used, the servo motor drives the transmission wheel to rotate, so that the wire-drawing bonding wire is conveyed, the larger pulling force caused in the process of directly winding and pulling by the winding mechanism is reduced, the pressing wheels are arranged on two sides of the transmission wheel through the rotatin