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CN-224218607-U - Modularized magnetic attraction positioning jig

CN224218607UCN 224218607 UCN224218607 UCN 224218607UCN-224218607-U

Abstract

The utility model discloses a modularized magnetic positioning jig, which belongs to the technical field of surface mounting technology and comprises a connecting seat frame, a lifting driving mechanism, a stable lifting frame, a supporting rack, a plurality of pre-positioning magnet structures and a plurality of electromagnet units, wherein the lifting driving mechanism is arranged in the connecting seat frame, the stable lifting frame is movably arranged on the connecting seat frame, the lifting driving mechanism is in driving connection with the stable lifting frame, the supporting table frame is arranged on the stable lifting frame, the plurality of pre-positioning magnet structures are uniformly distributed in the supporting rack, and the plurality of electromagnet units are uniformly distributed in the supporting rack. The utility model discloses a modularized magnetic positioning jig, which solves the technical problem of how to improve the generalized design of the positioning jig.

Inventors

  • WU ZHIXIANG
  • SHU WEIBIN
  • WANG WENFEI

Assignees

  • 惠州西文思技术股份有限公司

Dates

Publication Date
20260508
Application Date
20250430

Claims (10)

  1. 1. A modularized magnetic attraction positioning jig is characterized by comprising a connecting seat frame (1), a lifting driving mechanism (2), a stable lifting frame (3), a supporting rack (4), a plurality of prepositioning magnet structures (5) and a plurality of electromagnet units (6), wherein the lifting driving mechanism (2) is arranged in the connecting seat frame (1), the stable lifting frame (3) is movably arranged on the connecting seat frame (1), the lifting driving mechanism (2) is in driving connection with the stable lifting frame (3), the supporting rack (4) is arranged on the stable lifting frame (3), the prepositioning magnet structures (5) are uniformly distributed in the supporting rack (4), and the electromagnet units (6) are uniformly distributed in the supporting rack (4).
  2. 2. The modularized magnetic attraction positioning jig as claimed in claim 1, wherein the lifting driving mechanism (2) is provided with a driving cylinder (201), a driving telescopic piston rod (202) and a connecting piece (203).
  3. 3. The modularized magnetic attraction positioning jig according to claim 2, wherein the driving cylinder (201) is connected to the connecting seat frame (1), the driving cylinder (201) is in driving connection with the driving telescopic piston rod (202), and the connecting piece (203) is respectively connected with the driving telescopic piston rod (202) and the stable lifting frame (3).
  4. 4. A modular magnetic positioning jig according to claim 3, wherein the stable lifting frame (3) is provided with a plurality of guide sliding sleeves (301), a plurality of guide rods (302) and a lifting frame (303).
  5. 5. The fixture of claim 4, wherein said guide sleeves (301) are disposed on said connector frame (1) uniformly, and each guide rod (302) is movably disposed in a corresponding guide sleeve (301).
  6. 6. A modular magnetic positioning jig according to claim 5, wherein each guide rod (302) is correspondingly connected under the lifting rack (303), the lifting rack (303) is connected under the supporting rack (4), and the connecting piece (203) is respectively connected with one end of the driving telescopic piston rod (202) and the lifting rack (303).
  7. 7. A modular magnet positioning jig as set forth in claim 6, wherein each of said pre-positioning magnet structures (5) is provided with a mounting collar (501) and a ring magnet (502).
  8. 8. The fixture of claim 7, wherein said mounting collar (501) is disposed within said support frame (4) and said ring magnet (502) is disposed within said mounting collar (501).
  9. 9. The modularized magnetic attraction positioning jig is characterized in that the supporting rack (4) is provided with a plurality of positioning connecting rods (401), and the plurality of positioning connecting rods (401) are distributed and arranged on the supporting rack (4).
  10. 10. The modularized magnetic attraction positioning jig as claimed in claim 9, wherein a magnetic connection cover plate (7) is arranged on the supporting rack (4), the magnetic connection cover plate (7) and the supporting rack (4) are movably arranged relatively, and each positioning connecting rod (401) is connected with the supporting rack (4) and the magnetic connection cover plate (7) respectively.

Description

Modularized magnetic attraction positioning jig Technical Field The utility model relates to the technical field of surface mounting technology, in particular to a modularized magnetic attraction positioning jig. Background SMT is an assembly technology for precisely mounting miniature electronic components on the surface of a PCB through automatic equipment, and at present, the traditional through hole insertion technology (THT) is widely replaced, and the SMT is characterized in that the traditional through hole insertion technology (THT) is not required to drill holes on the PCB, components are fixed on the surface by using soldering paste, and then the electronic components are welded through procedures such as high-temperature reflow soldering and the like. The SMT carrier, which can also be called as an SMT jig, is a key auxiliary device in SMT production and is mainly used for supporting, fixing, positioning and transporting circuit boards, such as PCB or FPC, in the electronic manufacturing process, thereby ensuring the precision and efficiency of links of component mounting, welding and the like, and the design of the SMT carrier is required to meet the requirements of high temperature resistance, corrosion resistance, high precision and the like, and is a key carrier for connecting automatic equipment and the PCB. Based on the above, china patent document with the publication number of CN220476029U discloses an SMT tool carrier, which comprises a base, a carrier plate, a pressing plate and a pressing plate, wherein the upper surface of the base is provided with a plurality of positioning columns, the carrier plate is arranged above the base, a first positioning hole is formed in a position corresponding to the positioning columns, a first groove is formed in the upper surface of the carrier plate, a plurality of air holes are formed in the carrier plate, the carrier plate is provided with a plurality of magnetic parts, the pressing plate covers the upper surface of the carrier plate, an avoidance hole for printing electronic elements is formed in the carrier plate, a second positioning hole is formed in a position corresponding to the positioning columns, the second positioning hole is matched with the positioning columns, and the magnetic parts are used for adsorbing the pressing plate so that the pressing plate and the carrier plate clamp the printed circuit board. Through establishing a plurality of bleeder vents on the support plate, the printed circuit board of being convenient for dispel the heat in the in-process through the reflow oven, prevent that local overheat from arousing the destruction of printed circuit board is favorable to guaranteeing product quality, improves the stability of product. However, the SMT tool carrier disclosed above has a technical problem that the SMT tool carrier cannot be applied in a generalized manner. Specifically, in the prior art, the SMT carrier mainly ensures the stable position of the PCB in the processes of printing, mounting, welding and the like through the precisely designed positioning pin, reference surface and other structures, and reduces mounting errors caused by offset, such as high precision requirements within +/-0.01 mm. Therefore, the SMT carrier is usually designed differently according to the PCB to be mounted, so that SMT manufacturers usually use tens or hundreds of SMT carriers with different specifications and models at the same time, and how to classify and manage and apply the existing large number of tools is a difficult task. Disclosure of utility model Based on this, it is necessary to provide a modularized magnetic positioning jig aiming at the technical problem of how to improve the generalized design of the positioning jig. The modularized magnetic attraction positioning jig comprises a connecting seat frame, a lifting driving mechanism, a stable lifting frame, a supporting rack, a plurality of preset magnet structures and a plurality of electromagnet units, wherein the lifting driving mechanism is arranged in the connecting seat frame, the stable lifting frame is movably arranged on the connecting seat frame and is in driving connection with the stable lifting frame, the supporting rack is arranged on the stable lifting frame, the preset magnet structures are uniformly distributed in the supporting rack, and the electromagnet units are uniformly distributed in the supporting rack. Further, the lifting driving mechanism is provided with a driving cylinder, a driving telescopic piston rod and a connecting piece. Further, the driving cylinder is connected to the connecting seat frame, the driving cylinder is in driving connection with the driving telescopic piston rod, and the connecting pieces are respectively connected with the driving telescopic piston rod and the stable lifting frame. Further, the stable lifting frame is provided with a plurality of guide sliding sleeves, a plurality of guide rods and a lifting rack. Furth