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CN-224215747-U - Lead frame drying device

CN224215747UCN 224215747 UCN224215747 UCN 224215747UCN-224215747-U

Abstract

The utility model belongs to the technical field of lead frame drying, in particular to a lead frame drying device which comprises a bottom frame, wherein a heating frame is arranged above the bottom frame, a heating plate is arranged at the bottom of the heating frame, the top of the bottom frame and the bottom of the heating frame are obliquely and parallelly arranged, a plurality of adjusting mechanisms are arranged in the middle of the bottom frame, a first motor is arranged in the middle of the adjusting mechanism, a round rod is fixedly connected to the output end of the first motor, a pair of grooves are symmetrically arranged in the middle of the round rod, and the sheet-shaped lead frame can be frequently turned over when being dried through the structure, so that both sides of the sheet-shaped lead frame can be effectively heated and dried, and moisture residues are reduced.

Inventors

  • HE ZHONGHUI
  • WANG BING
  • DING PAN

Assignees

  • 宁波明联电子科技有限公司

Dates

Publication Date
20260508
Application Date
20250714

Claims (8)

  1. 1. A lead frame drying device comprises a bottom frame (1), and is characterized in that a heating frame (12) is arranged above the bottom frame (1), a heating plate (13) is arranged at the bottom of the heating frame (12), the top of the bottom frame (1) and the bottom of the heating frame (12) are arranged obliquely and in parallel, a plurality of adjusting mechanisms are arranged in the middle of the bottom frame (1), a first motor (14) is arranged in the middle of the adjusting mechanisms, a round rod (15) is fixedly connected to the output end of the first motor (14), and a pair of grooves (16) are symmetrically formed in the middle of the round rod (15).
  2. 2. The lead frame drying device according to claim 1 is characterized in that a plurality of guide rods (2) are fixedly connected to the top of the underframe (1), a fixing frame (21) is fixedly connected to the top of the guide rods (2), an electric cylinder (22) is fixedly connected to the top of the fixing frame (21), a connecting plate (23) is fixedly connected to the bottom output end of the electric cylinder (22), and the connecting plate (23) is slidably connected to the middle of the guide rods (2).
  3. 3. The lead frame drying device is characterized in that a sliding groove (3) is formed in the middle of the underframe (1), the adjusting mechanism comprises a mounting frame (31) and a positioning bolt (32), the mounting frame (31) is connected to the middle of the sliding groove (3) in a sliding mode, the first motor (14) is fixedly connected to the side wall of the mounting frame (31), the positioning bolt (32) is detachably arranged in the middle of the mounting frame (31), and threaded holes are formed in the side wall of the underframe (1).
  4. 4. The lead frame drying device according to claim 2 is characterized in that the heating frame (12) is connected to the bottom of the connecting plate (23) in a sliding mode, a second motor (4) is fixedly connected to the side wall of the connecting plate (23), a screw rod (41) is fixedly connected to the output end of the second motor (4), and the screw rod (41) is in threaded fit with the heating frame (12).
  5. 5. The lead frame drying device is characterized in that the side walls of the underframe (1) and the heating frame (12) are provided with identification grooves (5), the identification grooves (5) are perpendicular to the inclined plane edges of the underframe (1) and the heating frame (12), and elastic ropes (51) are fixedly connected to the side walls of the underframe (1) and the heating frame (12).
  6. 6. The lead frame drying device according to claim 3, wherein a connecting rod (6) is fixedly connected to the middle of the mounting frame (31), and a plurality of bearing rollers (61) are rotatably connected to the top of the connecting rod (6).
  7. 7. A lead frame drying device according to claim 3, wherein the bottom of the chute (3) is slidably connected with a limiting plate (7).
  8. 8. The lead frame drying device according to claim 1, wherein a plurality of rollers (8) are rotatably connected to the top of the chassis (1), and the plurality of rollers (8) are uniformly distributed on the top of the chassis (1).

Description

Lead frame drying device Technical Field The utility model belongs to the technical field of lead frame drying, and particularly relates to a lead frame drying device. Background Lead frames are key base materials in semiconductor packages, and serve as carriers for integrated circuit chips, serving multiple functions of electrical connection, mechanical support, and heat dissipation. The lead frame drying is a key link in the semiconductor packaging process, directly influences the reliability and yield of products, and has the core aim of rapidly removing moisture on the surface of the frame and in the microstructure through accurately controlling parameters such as temperature, humidity, air flow and the like, avoiding oxidization, deformation or damage, and the traditional lead frame drying device passes through a heating drying area with the lead frame through a conveying device, but is inconvenient to turn over the flaky lead frame, so that the two sides of the lead frame are difficult to effectively dry. To this end, the present utility model provides a lead frame drying apparatus. Disclosure of utility model In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The technical scheme includes that the lead frame drying device comprises a bottom frame, a heating frame is arranged above the bottom frame, a heating plate is arranged at the bottom of the heating frame, the top of the bottom frame and the bottom of the heating frame are obliquely and parallelly arranged, a plurality of adjusting mechanisms are arranged in the middle of the bottom frame, a first motor is arranged in the middle of the adjusting mechanism, a round rod is fixedly connected to the output end of the first motor, a pair of grooves are symmetrically formed in the middle of the round rod, and the sheet lead frame can be frequently turned over when being dried through the structure, so that two sides of the sheet lead frame can be effectively heated and dried, and moisture residues are reduced. Preferably, the top of the underframe is fixedly connected with a plurality of guide rods, the top of the guide rods is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with an electric cylinder, the bottom output end of the electric cylinder is fixedly connected with a connecting plate, the connecting plate is connected to the middle parts of the guide rods in a sliding mode, through the structure, the baking and drying temperature of the lead frames can be adjusted, so that the device can bake and dry the lead frames made of different materials, and the applicability of the device is improved. The adjusting mechanism comprises a mounting frame and a positioning bolt, wherein the mounting frame is connected to the middle of the sliding groove in a sliding mode, the first motor is fixedly connected to the side wall of the mounting frame, the positioning bolt is detachably arranged in the middle of the mounting frame, a threaded hole is formed in the side wall of the bottom frame, partial round rods can be lowered through the structure, the distance between adjacent round rods protruding out of the inclined surface of the top of the bottom frame is increased, and therefore when a lead frame with a larger size is dried, the situation that the bottom end of the lead frame is difficult to insert into the groove is reduced. The heating frame is connected to the bottom of the connecting plate in a sliding mode, a second motor is fixedly connected to the side wall of the connecting plate, a screw rod is fixedly connected to the output end of the second motor, the screw rod is in threaded fit with the heating frame, the transverse position of the heating frame can be conveniently adjusted through the structure, and therefore the adjusted heating plate can be used for sufficiently baking and drying the lead frame on the inclined plane of the top of the underframe. Preferably, the side walls of the underframe and the heating frame are provided with identification grooves; the marking groove is perpendicular to the inclined plane edges of the underframe and the heating frame, the elastic ropes are fixedly connected to the side walls of the underframe and the heating frame, and through the structure, when the positions of the heating frame and the heating plate are adjusted, whether the heating plate is right opposite to the top inclined plane of the underframe can be conveniently judged by observing whether the elastic ropes are parallel to the marking groove or not, so that the heating plate is adjusted to a proper position, and the convenience for adjusting the position of the heating plate is improved. The middle part of the mounting frame is fixedly connected with a connecting rod, the top of the connecting rod is rotatably connected with a plurality of bearing rollers, and through the structure, the middle part of the round rod can be