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CN-122025394-A - Auxiliary device for inductance assembly

CN122025394ACN 122025394 ACN122025394 ACN 122025394ACN-122025394-A

Abstract

The invention discloses an auxiliary device for inductance assembly, which relates to the field of inductance assembly and is used for annular inductance assembly, wherein the annular inductance comprises a magnetic core and two windings wound on the magnetic core, the magnetic core comprises two winding-free areas which are symmetrically distributed, and the auxiliary device comprises: the auxiliary mechanism comprises the partition plate, the bottom plate and the locating rack, the alignment and radial limiting between the annular inductor and the auxiliary mechanism are realized through the matching of the partition plate and the plurality of limiting rods with the annular inductor, the vertical alignment between the auxiliary mechanism and the insulating substrate is realized through inserting the limiting columns into the preset connecting holes on the insulating substrate, the quick plugging and accurate locating between the bottom plate and the substrate are convenient, the annular inductor is further effectively prevented from being skewed or offset when being assembled to the substrate in the follow-up process, the problems of inaccurate pin and pad alignment, short circuit due to cold welding and the like are avoided, and the assembly quality and the electrical performance consistency of products are remarkably improved.

Inventors

  • WANG MIN
  • HUANG JINZHAO
  • HUANG XUEYU

Assignees

  • 广东德珑电子器件有限公司

Dates

Publication Date
20260512
Application Date
20260326

Claims (10)

  1. 1. An auxiliary device for assembling an inductor, which is used for assembling a toroidal inductor (1), wherein the toroidal inductor (1) comprises a magnetic core (11) and two windings wound on the magnetic core (11), and the magnetic core (11) comprises two winding-free areas (12) which are symmetrically distributed, and the auxiliary device is characterized by comprising an auxiliary mechanism (2), wherein the auxiliary mechanism (2) comprises a partition plate (21), a bottom plate (22) and a positioning frame (23); the separator (21) is arranged on the symmetrical line of the two windings to separate the two windings, the end part of the separator (21) is abutted against the inner wall of the magnetic core (11), the side surface of the separator (21) protrudes out of the surface of the magnetic core (11) and extends downwards to be connected with the bottom plate (22), the bottom plate (22) and the separator (21) are mutually perpendicular, and a plurality of limit posts (221) are vertically arranged on the bottom surface of the bottom plate (22); The locating rack (23) comprises two groups of limiting rods (231), each group of limiting rods (231) comprises two mutually symmetrical limiting rods (231), the two groups of limiting rods (231) are mutually symmetrical and are all abutted to the outer sides of the winding-free areas (12), and the symmetry axes of each group of limiting rods (231) are all located on the central plane of the winding-free areas (12).
  2. 2. The auxiliary device for inductor assembly according to claim 1, wherein the side of the partition board (21) is provided with a blocking strip (211) contacted with the side of the magnetic core (11), the bottom board (22) is vertically connected with one end of the blocking strip (211), the positioning frame (23) comprises a back board (232) connected with a limit rod (231), the back board (232) is fixedly connected with a mounting block (234), and the magnetic core (11) is clamped between the mounting block (234) and the blocking strip (211).
  3. 3. Auxiliary device for inductive assembly according to claim 2, characterized in that the auxiliary mechanism (2) further comprises a fixing assembly (24) arranged between the mounting block (234) and the partition (21); The fixing assembly (24) comprises a first clamping block (241) arranged on the partition board (21) and a locking part (242) arranged on the mounting block (234), and the locking part (242) is used for being buckled with the first clamping block (241) to fix the mounting block (234) and the partition board (21).
  4. 4. An auxiliary device for inductor assembly according to claim 3, wherein the locking portion (242) comprises a second block (242 a) slidably connected to the inside of the mounting block (234) and a first spring (242 b) provided at one side of the second block (242 a), and the second block (242 a) is adapted to be engaged with the first block (241).
  5. 5. The auxiliary device for inductor assembly according to claim 4, wherein a connecting rod (243) sleeved inside the first spring (242 b) is connected to one side of the second clamping block (242 a).
  6. 6. The auxiliary device for assembling the inductor according to claim 5, wherein a limit groove (244) is formed in the mounting block (234), a transmission shaft (245) is sleeved on one side of the connecting rod (243), a bump (243 a) is arranged at one end of the connecting rod (243), the transmission shaft (245) is slidably connected in the limit groove (244), a transmission plate (3) is slidably connected on the back plate (232), a sliding groove (246) is formed in the transmission plate (3), the transmission shaft (245) is slidably connected in the sliding groove (246), and the sliding groove (246) is obliquely arranged.
  7. 7. Auxiliary device for inductive assembly according to claim 6, characterized in that the auxiliary means (2) are provided in plurality, a connection plate (4) is provided between the plurality of auxiliary means (2), both ends of the connection plate (4) are connected to the back plate (232).
  8. 8. Auxiliary device for inductive assembly according to claim 7, characterized in that the drive plate (3) is slidingly connected to a plurality of connection plates (4) and a plurality of back plates (232).
  9. 9. Auxiliary device for inductive assembly according to claim 6, characterized in that the end of the drive plate (3) is provided with a handle (31).
  10. 10. The auxiliary device for inductor assembly according to claim 1, wherein a plurality of grooves (222) are formed in the side face of the bottom plate (22), the number of the grooves (222) is equal to the number of terminals of two windings, the terminals of the two windings are vertically sleeved in the grooves (222), and the terminals of the two windings are symmetrically distributed.

Description

Auxiliary device for inductance assembly Technical Field The invention relates to the technical field of inductance assembly, in particular to an auxiliary device for inductance assembly. Background In the manufacturing process of electronic components such as inductors, it is generally required to precisely assemble the wound inductor coil body onto an epoxy resin board or other insulating substrate, so as to facilitate subsequent processes such as welding, potting, and electrical connection. Taking toroidal inductance as an example, it generally includes a toroidal core and windings wound on the core, the windings being distributed on both sides of the core, and the positioning accuracy requirements are high when assembled to a substrate. If the inductance is skewed or offset, the lead of the inductance is not aligned with a bonding pad of the substrate, so that the welding defects such as cold joint and short circuit are easily caused, and the consistency of the electrical performance is influenced due to uneven internal stress after encapsulation; in addition, the inductance with larger position deviation has obvious difference in appearance, is difficult to adapt to high-precision automatic assembly equipment, and restricts the improvement of production efficiency and yield. Currently, the assembly of the inductor and the substrate is mostly dependent on manual operation or is positioned by means of a simple jig. However, the existing mode has the defects that visual and operation errors are easy to generate when the inductor is manually placed, the inductor is difficult to ensure that the inductor does not skew or deviate at the preset position on the substrate, the existing positioning jig is used for limiting the bottom or one side of the inductor, effective constraint cannot be formed in a three-dimensional space, and the inductor is still likely to shift in the circulation or welding process. Therefore, it is desirable to provide an auxiliary device for inductor assembly. Disclosure of Invention In order to overcome the above-mentioned technical problems, an object of the present invention is to provide an auxiliary device for inductor assembly. The aim of the invention can be achieved by the following technical scheme: An auxiliary device for assembling an inductor is used for assembling a toroidal inductor, the toroidal inductor comprises a magnetic core and two windings wound on the magnetic core, the magnetic core comprises two winding-free areas which are symmetrically distributed, and the auxiliary device comprises an auxiliary mechanism, a positioning frame and a positioning frame, wherein the auxiliary mechanism comprises a baffle plate, a bottom plate and a positioning frame; The separator is arranged on the symmetrical line of the two windings to separate the two windings, the end part of the separator is abutted against the inner wall of the magnetic core, the side surface of the separator protrudes out of the surface of the magnetic core and extends downwards to be connected with the bottom plate, the bottom plate and the separator are mutually perpendicular, and a plurality of limit posts are vertically arranged on the bottom surface of the bottom plate; The locating frame comprises two groups of limiting rods, each group of limiting rods comprises two limiting rods which are symmetrical to each other, the two groups of limiting rods are symmetrical to each other and are all abutted to the outer sides of the winding-free areas, and the symmetrical shafts of the limiting rods are all located on the central surface of the winding-free areas. As a further scheme of the invention, the side surface of the partition plate is provided with a baffle strip which is contacted with the side surface of the magnetic core, the bottom plate is vertically connected with one end of the baffle strip, the positioning frame comprises a back plate which is connected with the limiting rod, the back plate is fixedly connected with a mounting block, and the magnetic core is clamped between the mounting block and the baffle strip. The auxiliary mechanism further comprises a fixing component arranged between the mounting block and the partition plate; the fixing component comprises a first clamping block arranged on the partition board and a locking part arranged on the mounting block, and the locking part is used for being buckled with the first clamping block to fix the mounting block and the partition board. As a further scheme of the invention, the locking part comprises a second clamping block connected in the mounting block in a sliding way and a first spring arranged on one side of the second clamping block, and the second clamping block is used for being buckled with the first clamping block. As a further scheme of the invention, one side of the second clamping block is connected with a connecting rod sleeved on the inner side of the first spring. As a further scheme of the invention, a limit groove is