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CN-224216544-U - Pin detection device for chip packaging

CN224216544UCN 224216544 UCN224216544 UCN 224216544UCN-224216544-U

Abstract

The utility model discloses a pin detection device for chip packaging, which comprises a conveying frame, wherein a conveying belt is arranged on the conveying frame, a conveying roller and a conveying motor are arranged in cooperation with the conveying belt, a supporting frame is arranged on the conveying frame, an electric push rod is arranged on the supporting frame in a horizontally sliding and adjustable mode, a mounting seat is arranged at the bottom end of the electric push rod, a first overturning frame is arranged in the middle of the bottom end of the mounting seat, a first camera is arranged on the first overturning frame in a front-back overturning mode, a first motor is arranged in cooperation with the first camera, second overturning frames are arranged on two sides of the mounting seat, a synchronous opposite adjusting structure is arranged between the second overturning frame and the mounting seat, a second camera is arranged on the second overturning frame in a left-right overturning mode, and a second motor is arranged in cooperation with the second camera.

Inventors

  • LIU SHENGHUA
  • YAN SHILIANG
  • WANG SHIYAN
  • CHEN MIN

Assignees

  • 上海北芯集成电路技术有限公司

Dates

Publication Date
20260508
Application Date
20250527

Claims (8)

  1. 1. The pin detection device for chip packaging comprises a conveying frame (1), wherein a conveying belt (2) is arranged on the conveying frame (1), a conveying roller (3) and a conveying motor (4) are arranged in cooperation with the conveying belt (2), the pin detection device is characterized in that a supporting frame (5) is arranged on the conveying frame (1), an electric push rod (6) is arranged on the supporting frame (5) in a horizontal sliding mode, an installation seat (7) is arranged at the bottom end of the electric push rod (6), a first overturning frame (8) is arranged at the middle part of the bottom end of the installation seat (7), a first camera (9) is arranged on the first overturning frame (8) in a front-back overturning mode, a first motor (10) is arranged in cooperation with the first camera (9), a second overturning frame (11) is arranged on two sides of the installation seat (7), a synchronous opposite adjusting structure is arranged between the second overturning frame (11) and the installation seat (7), a second camera (12) is arranged on the second overturning frame (11) in a left-right overturning mode, and a second camera (13) is arranged in cooperation with the second camera (12).
  2. 2. The pin detection device for chip packaging according to claim 1, wherein a sliding block (14) is arranged at the top end of the second turnover frame (11), a sliding groove (15) is formed in the mounting seat (7) in a matched mode, and the sliding block (14) is slidably arranged in the sliding groove (15).
  3. 3. The pin detection device for chip packaging according to claim 2, wherein the synchronous opposite adjusting structure comprises a bidirectional screw rod (16), the bidirectional screw rod (16) is arranged in the chute (15) through a bearing, an adjusting motor (17) is arranged at the outer end part in a transmission connection mode, and the sliding block (14) is sleeved on the corresponding bidirectional screw rod (16) in a threaded mode.
  4. 4. The pin detection device for chip packaging according to claim 1, wherein the supporting frame (5) is provided with a ball screw (18), a screw motor (19) and a screw nut (20) are arranged in cooperation with the ball screw (18), and the electric push rod (6) is arranged at the bottom end of the screw nut (20).
  5. 5. The pin detection device for chip packaging according to claim 1, wherein a push plate (21) is arranged on one side of the conveying frame (1), a blanking opening (22) is formed in the other side of the conveying frame (1) in cooperation with the push plate (21), and a movable driving structure is arranged on the conveying frame (1) in cooperation with the push plate (21).
  6. 6. The pin detection device for chip packaging according to claim 5, wherein the movable driving structure comprises a fixed seat (23), a driving screw (24) is arranged on the fixed seat (23) through a bearing, a driving motor (25) is arranged in cooperation with the driving screw (24), a driving block (26) is arranged on one side of the push plate (21), the driving block (26) is sleeved on the driving screw (24) in a threaded manner, and a movable limiting structure is arranged between the driving block and the fixed seat (23).
  7. 7. The device for inspecting pins of a chip package according to claim 6, wherein said movement limiting structure comprises a limiting rod (27), and said driving block (26) is slidably sleeved on said limiting rod (27).
  8. 8. The device for inspecting pins for chip packaging according to claim 5, wherein the collecting table (28) is provided at one side of the carrier (1) with the blanking port (22).

Description

Pin detection device for chip packaging Technical Field The utility model relates to the technical field of pin detection, in particular to a pin detection device for chip packaging. Background Chip packaging is the process of dicing a manufactured wafer into individual chips and packaging in a housing to protect the chips and make electrical connections. The packaged chip needs to transmit signals and supply power with an external circuit through pins. Pin inspection is a key step after packaging, and the main purpose is to ensure reliable electrical connection of pins, no short circuit or disconnection, and to verify whether the positions, pitches and coplanarity of pins meet design standards. If the pins have defects, abnormal or invalid functions of the chip can be caused, and the performance of the whole machine is affected. Therefore, the pin detection can effectively screen defective products, improve the product yield, ensure the stability and reliability of chips in subsequent assembly and application, and avoid cost waste or potential safety hazard caused by pin problems. The traditional pin detection after the chip packaging is finished is mainly finished by means of a detection probe, the detection probe and the chip pins are required to be accurately butted in a traditional mode, a plurality of pins exist on each chip, one-to-one butting detection is required, and the efficiency is low; With the development of visual detection technology, in the prior art, a visual detection camera is adopted to scan pins after chip encapsulation is completed, and whether the pins of the chip are qualified or not can be flexibly and conveniently detected by carrying out data analysis on a 3D view formed by scanning; At present, a chip pin visual detection system mostly adopts a vertically installed fixed angle camera, so that a certain limitation exists in the detection process. Because the camera visual angle is fixed, when collecting pin three-dimensional morphology data, often need adjust camera position or chip position repeatedly, just can accomplish the omnidirectional scanning, and this kind of detecting means is inconvenient to once only accomplish the scanning in the chip linear transportation process, influences the detection efficiency of chip. Disclosure of utility model (One) solving the technical problems Aiming at the problems in the prior art, the utility model provides a pin detection device for chip packaging, which aims to solve the technical problems of poor detection comprehensiveness and low efficiency of the pin detection device for chip packaging in the prior art in the background art. (II) technical scheme In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a pin detection device for chip encapsulation, includes the carriage, be provided with the conveyer belt on the carriage to cooperation conveyer belt is provided with conveying roller and conveying motor, be provided with the support frame on the carriage, horizontal slip adjustable be provided with electric putter on the support frame, electric putter's bottom is provided with the mount pad, the bottom middle part of mount pad is provided with first roll-over stand, can overturn around on the first roll-over stand and be provided with first camera to cooperate first camera to be provided with first motor, the both sides of mount pad are provided with the second roll-over stand, be provided with synchronous opposite regulation structure between second roll-over stand and the mount pad, but the upset is provided with the second camera about on the second roll-over stand to cooperate the second camera to be provided with the second motor. The utility model is further characterized in that the top end of the second roll-over stand is provided with a sliding block, the mounting seat is provided with a sliding groove in a matched manner, the sliding block is slidably positioned in the sliding groove, and the sliding adjustable mounting of the second roll-over stand on the mounting seat can be realized through the matching of the sliding block and the sliding groove. The synchronous opposite adjusting structure further comprises a bidirectional screw rod, the bidirectional screw rod is arranged in the chute through a bearing, the outer end part of the bidirectional screw rod is in transmission connection with an adjusting motor, the sliding block is sleeved on the corresponding bidirectional screw rod in a threaded mode, the adjusting motor is started, the bidirectional screw rod can be controlled to rotate through the adjusting motor, the sliding block is driven to move in the chute, the second overturning frame is further used for driving the second cameras to approach and depart from each other, and therefore pin detection of chips with different widths can be achieved. The utility model is further arranged that the ball screw is arranged on the support