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CN-224205333-U - Reflow soldering jig for PCB

CN224205333UCN 224205333 UCN224205333 UCN 224205333UCN-224205333-U

Abstract

The utility model relates to a reflow soldering jig for a PCB (printed circuit board), and discloses a reflow soldering jig for a PCB, which is characterized in that a positioning stud and a hole site between positioning hole seats are used for installing and positioning the jig, the installation and the limitation between an upper jig and a lower jig are realized through the embedding and clamping between a connecting limiting block and a limiting groove seat, the connecting limiting block is matched with a first spring for installation and connection through a shaft post, the limiting connection with the limiting groove seat can be completed through simple rotary clamping after the embedding and the butting, and the elastic supporting force of the first spring can provide stable elastic supporting force for an element after the installation, the element is stably supported, the occurrence of the over-loose and over-tight stress condition can be avoided, the jig carrier is in a split installation structure, the jig carrier is fixedly limited through the stud fastening of the embedding and positioning matched end part of a notch, the jig carrier is convenient to disassemble and replace, and the jig carrier plates with different specifications can be replaced according to the plate type numbers during the operation, and the jig carrier plate positioning jig can meet the welding and positioning installation requirements of different types of the material plates.

Inventors

  • YANG GUANG

Assignees

  • 苏州同厚电子科技有限公司

Dates

Publication Date
20260505
Application Date
20250527

Claims (7)

  1. 1. The reflow soldering jig for the PCB comprises a carrier plate mechanism and a top plate mechanism for welding and positioning the PCB, and is characterized in that the carrier plate mechanism comprises a base frame seat (1), a jig carrier plate (2) and a blank pressing limiting block (3), the jig carrier plate (2) is detachably arranged in the middle of the base frame seat (1) through notch embedding, a plate positioning groove (10) is formed in the middle of the jig carrier plate (2), and the blank pressing limiting block (3) is rotatably arranged on the outer side of the plate positioning groove (10); The top plate mechanism comprises a jig top plate (4), a positioning bolt (5), a connecting limiting block (6), a first spring (7), a mounting stud (8) and a second spring (9), wherein the jig top plate (4) is mounted on the upper portion of the jig carrier plate (2) through the clamping connection limiting block of the positioning bolt (5) in a clamping and positioning matched mode, the first spring (7) is mounted on the upper mounting side of the connecting limiting block (6) in a pushing mode, and the second spring (9) is mounted on the lower portion of the jig top plate (4) in a supporting mode through the mounting stud (8).
  2. 2. The reflow soldering jig for the PCB board according to claim 1, wherein an installation caulking groove is formed in the middle of the base frame seat (1), the jig carrier plate (2) is embedded and installed on the inner side of the installation caulking groove, a fastening bolt (13) is arranged on the rear end side of the jig carrier plate (2), and the end portion of the fastening bolt (13) penetrates through the rear end side of the jig carrier plate (2) and is in threaded connection with a screw hole on the side of the base frame seat (1).
  3. 3. The reflow soldering jig of the PCB of claim 2, wherein the plate positioning groove (10) is formed in the middle of the jig carrier plate (2), the edge pressing limiting blocks (3) are rotatably installed on the upper portion of the jig carrier plate (2) through a rotating shaft support, and the edge pressing limiting blocks (3) are uniformly distributed on the outer side of the notch of the plate positioning groove (10).
  4. 4. The reflow soldering jig for the PCB of claim 1, wherein the positioning studs (5) are symmetrically and fixedly arranged at four corners of the lower part of the jig top plate (4), the upper part of the jig carrier plate (2) is fixedly provided with a positioning hole seat (11), and after the positioning studs are arranged, the lower ends of the positioning studs (5) are in counterpoint grafting installation with insertion holes in the middle part of the positioning hole seat (11).
  5. 5. The reflow soldering jig for the PCB of claim 4, wherein the connecting limiting blocks (6) are arranged in pairs, mounting shaft posts are fixedly arranged between the two groups of connecting limiting blocks (6), and the mounting shaft posts are movably inserted and mounted with shaft holes in the middle of the end side of the jig top plate (4).
  6. 6. The reflow soldering jig for the PCB of claim 5, wherein the first spring (7) is sleeved on the upper portion of the mounting shaft column, the first spring (7) is mounted in a pushing manner with the lower portion of the upper-side connection limiting block (6), a limiting groove seat (12) is fixedly mounted on the upper portion of the jig carrier plate (2), and the connection limiting block (6) on the lower side after mounting is mounted in a jogged clamping manner with a limiting notch in the middle of the limiting groove seat (12).
  7. 7. The reflow soldering jig for the PCB of claim 6, wherein a plurality of mounting studs (8) are arranged, the mounting studs (8) are in threaded connection with screw holes in the upper portion of the jig top plate (4), the lower portion of each mounting stud (8) penetrates through the jig top plate (4), and the second springs (9) are fixedly arranged on the lower portion of each mounting stud (8).

Description

Reflow soldering jig for PCB Technical Field The utility model relates to a reflow soldering jig for a PCB, in particular to a reflow soldering jig for a PCB. Background With the development of miniaturization, diversification and rapidness of the electronic market and the requirement of different application scenes of different customers, reflow soldering is a common technology in the field of electronic manufacturing, and the reflow soldering is performed by heating air or nitrogen to a high enough temperature and then blowing the air or nitrogen to a circuit board on which components are already attached, so that solder on two sides of the components is melted and then bonded with the circuit board. In the welding process, in order to position, support and fix the element and the PCB substrate, a special jig is required to position and mount the element and the PCB substrate. During operation tool relies on the package clamp of upper and lower part to support the location to component and PCB base plate, to the butt joint installation of upper and lower part tool, adopts bolt-up's butt joint mounting structure more, and not only dismouting operation is very inconvenient but also has higher requirement to the fastening degree of bolt during the installation, and too loose is too tight all to cause the deviation of component positioning accuracy, uses very inconveniently, for this reason, proposes a reflow soldering tool of PCB board. Disclosure of utility model The utility model aims to provide a reflow soldering jig for a PCB (printed Circuit Board) to solve the problems in the background technology. In order to achieve the aim, the utility model provides the technical scheme that the reflow soldering jig for the PCB comprises a carrier plate mechanism and a top plate mechanism, wherein the carrier plate mechanism is used for positioning the PCB in a welding way and comprises a base frame seat, a jig carrier plate and a blank pressing limiting block, the jig carrier plate is detachably arranged in the middle of the base frame seat through a notch in a jogging way, a plate positioning groove is formed in the middle of the jig carrier plate, and the blank pressing limiting block is rotatably arranged on the outer side of the plate positioning groove; The top plate mechanism comprises a jig top plate, a positioning stud, a connecting limiting block, a first spring, a mounting stud and a second spring, wherein the jig top plate is mounted on the upper portion of the jig carrier plate through the clamping connection limiting block of the positioning stud in a matched and spliced mode, the first spring is mounted on the upper portion mounting side of the connecting limiting block in a pushing mode, and the second spring is mounted on the lower portion of the jig top plate in a supporting mode through the mounting stud. Preferably, the middle part of the foundation frame seat is provided with an installation caulking groove, the jig carrier plate is embedded and installed on the inner side of the installation caulking groove, the rear end side of the jig carrier plate is provided with a fastening bolt, and the end part of the fastening bolt penetrates through the rear end side of the jig carrier plate and is in threaded connection with a screw hole on the side of the foundation frame seat. Preferably, the plate positioning groove is formed in the middle of the jig carrier plate, the edge pressing limiting blocks are rotatably mounted on the upper portion of the jig carrier plate through the rotating shaft support, and the edge pressing limiting blocks are uniformly distributed on the outer side of the notch of the plate positioning groove. Preferably, the positioning studs are symmetrically and fixedly arranged at four corners of the lower part of the jig top plate, the upper part of the jig carrier plate is fixedly provided with positioning hole seats, and after the positioning studs are arranged, the lower ends of the positioning studs are in counterpoint grafting installation with insertion holes in the middle of the positioning hole seats. Preferably, the connecting limiting blocks are arranged in pairs, mounting shaft posts are fixedly arranged between the two groups of connecting limiting blocks, and the mounting shaft posts are movably inserted into shaft holes in the middle of the end side of the top plate of the jig. Preferably, the first spring is sleeved on the upper portion of the mounting shaft column, the first spring is mounted in a pushing manner with the lower portion of the upper-side connection limiting block, the upper portion of the jig carrier plate is fixedly provided with a limiting groove seat, and the connection limiting block on the lower side after mounting is mounted in a clamping manner with a limiting notch in the middle of the limiting groove seat. Preferably, the mounting studs are provided in plurality, the mounting studs are in threaded connection with screw holes in the upper