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CN-224202446-U - Mobile phone nut detection jig

CN224202446UCN 224202446 UCN224202446 UCN 224202446UCN-224202446-U

Abstract

The utility model belongs to the technical field of mobile phone nut detection jigs, and discloses a mobile phone nut detection jig which comprises a base, a state display device and a floating detection module, wherein the floating detection module comprises a linear bearing vertically penetrating through the base, a stepped probe group is arranged on the outer surface of the lower end of the linear bearing, the state display device is arranged at the upper end of the linear bearing, a magnetic positioning module comprises a neodymium iron boron magnet array arranged on the base, a positioning insert is arranged on the neodymium iron boron magnet array, the stepped probe group comprises an inner diameter probe, an outer diameter probe and a depth probe, and working end faces of the inner diameter probe, the outer diameter probe and the depth probe are arranged in a stepped manner. According to the utility model, through the stepped probe set of the floating detection module, synchronous detection of the inner diameter, the outer diameter and the depth of the nut can be completed at one time, and meanwhile, automatic floating alignment of the detection probe can be realized, positioning deviation caused by manual operation is reduced, and detection stability is improved.

Inventors

  • XU JINGTAI

Assignees

  • 深圳市瑞源精密工业有限公司

Dates

Publication Date
20260505
Application Date
20250715

Claims (6)

  1. 1. The mobile phone nut detection jig comprises a base (1) and a state display device (2), and is characterized by further comprising: The floating detection module comprises a linear bearing (31) vertically penetrating through the base (1), a stepped probe group is arranged on the outer surface of the lower end of the linear bearing (31), and the state display device (2) is arranged at the upper end of the linear bearing (31); The magnetic attraction positioning module comprises a neodymium-iron-boron magnet array (41) arranged on the base (1), and a detachable and replaceable positioning insert (42) is arranged on the neodymium-iron-boron magnet array (41).
  2. 2. The tool for detecting nuts of mobile phones according to claim 1, wherein the stepped probe set comprises an inner diameter probe (321), an outer diameter probe (322) and a depth probe (323) which are coaxially arranged, and working end surfaces of the inner diameter probe (321), the outer diameter probe (322) and the depth probe (323) are arranged in a stepped manner.
  3. 3. The tool for detecting nuts of mobile phones according to claim 2, wherein the head of the inner diameter probe (321) is provided with a guiding structure with a taper of 1:50, and the maximum diameter of the guiding structure is 0.1mm smaller than the inner diameter of the standard nut.
  4. 4. The tool for detecting nuts of mobile phones according to claim 2, wherein an annular groove (3221) is formed in the end face of the outer diameter probe (322), and the groove width of the annular groove (3221) is matched with the theoretical width of the nuts.
  5. 5. The tool for detecting nuts of mobile phones according to claim 1, wherein an integrally formed annular protruding edge (421) is arranged at the bottom of the positioning insert (42), the annular protruding edge (421) and the positioning insert (42) form a clamping groove corresponding to the neodymium-iron-boron magnet array (41), the clamping groove is matched with the neodymium-iron-boron magnet array (41), and the positioning insert (42) is detachably and replaceably arranged on the neodymium-iron-boron magnet array (41) through the clamping groove.
  6. 6. The fixture for detecting the nut of the mobile phone of claim 1, wherein the curved surface imitation groove (422) is formed in the top of the positioning insert (42), and the curved surface imitation groove (422) is matched with the shell of the mobile phone.

Description

Mobile phone nut detection jig Technical Field The utility model relates to the technical field of mobile phone nut detection jigs, in particular to a mobile phone nut detection jig. Background The mobile phone nut detection jig is a special precision detection tool for a mobile phone assembly process, and is used for rapidly and accurately verifying the installation quality of nuts in a mobile phone, and key parameters such as position accuracy, thread integrity, fastening torque and the like are included, so that the assembly process is ensured to meet the design requirements, and the reliability of products is improved. In the current mobile phone assembly process, the installation of the nut is not in place, so that the strength of the whole mobile phone structure is insufficient, the existing detection mode adopts manual visual inspection or a general type go-no-go gauge, and the problems of low efficiency and high false detection rate exist, so that the mobile phone nut detection jig is provided. Disclosure of utility model The utility model provides the problems of low efficiency and high false detection rate in view of the fact that the existing detection mode of the mobile phone nut mostly adopts manual visual detection or a general type go-no-go gauge. In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a cell-phone nut detects tool, includes base, status display equipment, still includes: The floating detection module comprises a linear bearing vertically penetrating through the base, a stepped probe group is arranged on the outer surface of the lower end of the linear bearing, the state display equipment is arranged at the upper end of the linear bearing, and the automatic floating alignment of the detection probe is realized through the vertical penetrating design of the linear bearing and the stepped probe group, so that the positioning deviation caused by manual operation is reduced, and the detection stability is improved; The positioning module is inhaled to magnetism, the positioning module is inhaled to magnetism including install in neodymium iron boron magnet array on the base, install the location mold insert that can dismantle the change on the neodymium iron boron magnet array, adopt neodymium iron boron magnet array and can dismantle the location mold insert, can adsorb fixed cell-phone casing fast, accessible change location mold insert adaptation different model products again, reinforcing tool's commonality. The technical scheme of the mobile phone nut detection jig comprises that the stepped probe set comprises an inner diameter probe, an outer diameter probe and a depth probe which are coaxially arranged, wherein working end surfaces of the inner diameter probe, the outer diameter probe and the depth probe are arranged in a stepped manner, so that the inner diameter, the outer diameter and the installation depth of a nut can be synchronously detected, the waste of step detection time is avoided, and the efficiency is improved. The technical scheme of the mobile phone nut detection jig comprises that the head of the inner diameter probe is provided with a taper guiding structure, and the maximum diameter of the guiding structure is smaller than the inner diameter of a standard nut by 0.1mm, so that the trafficability and tolerance detection accuracy are ensured. The technical scheme of the mobile phone nut detection jig comprises that an annular groove is formed in the end face of an outer diameter probe, the groove width of the annular groove is matched with the theoretical width of a nut, whether the outer diameter meets the standard or not is judged directly through the contact state of the annular groove and the side wall of the nut, and judgment logic is simplified. The technical scheme of the mobile phone nut detection jig comprises that the bottom of a positioning insert is provided with an integrally formed annular protruding edge, the annular protruding edge and the positioning insert form a clamping groove corresponding to a neodymium-iron-boron magnet array, the clamping groove is matched with the neodymium-iron-boron magnet array, and the positioning insert is detachably and replaceably arranged on the neodymium-iron-boron magnet array through the clamping groove so as to realize quick locking of the positioning insert. The technical scheme of the mobile phone nut detection jig comprises that a curved surface imitation groove is formed in the top of a positioning insert, and the curved surface imitation groove is matched with a mobile phone shell so as to prevent erroneous judgment caused by workpiece displacement in the detection process. Compared with the prior art, the utility model has at least the following beneficial effects: 1. According to the utility model, through the stepped probe set of the floating detection module, synchronous detection of the inner diameter, the outer diameter