CN212747576U

CN212747576U - End cover threaded hole detection device

Info

Publication number: CN212747576U
Application number: CN202022162650.XU
Authority: CN
Inventors: 孙振付
Original assignee: Hengdian Group Innuovo Electric Co Ltd
Current assignee: Hengdian Group Innuovo Electric Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-03-19
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to an end cover screw hole detection device, which comprises a base, be equipped with a plurality of first constant head tanks corresponding with the screw hole position of end cover work piece on one end of base, first constant head tank is equipped with logical round pin, be equipped with a plurality of second constant head tanks corresponding with the screw hole position of end cover work piece on the other end face of base, be equipped with the only round pin in the second constant head tank, the external diameter that leads to the round pin keeps unanimous with the screw hole internal diameter of end cover work piece, the diameter that the only round pin is greater than the diameter that leads to the round pin. The utility model has the characteristics of but short-term test screw hole's position degree and aperture to improve assembly efficiency etc.

Description

End cover threaded hole detection device

Technical Field

The utility model relates to an end cover screw hole detection device belongs to machining technical field.

Background

The threaded hole system is widely applied to parts with assembly requirements such as flanges and cover plates, and generally has the requirement of position degree, for a threaded hole formed in a motor end cover, in the installation process, a screw or a screw needs to be screwed in, the quality detection needs to be carried out on the threaded hole in advance, if the threaded hole position has a certain deviation, the whole end cover cannot be installed, the readjustment is needed, the production steps are increased, the large time loss is caused, and if the aperture of the threaded hole is larger or smaller, the screwing in of a bolt can be influenced, the assembly accuracy is influenced, the assembly efficiency is reduced, but if the detection is carried out in advance, the adjustment is carried out, the re-processing is carried out, and the assembly efficiency can be improved.

Disclosure of Invention

An object of the utility model is to provide an end cover screw hole detection device, there is the error in the position degree and the aperture of the screw hole that have solved prior art existence and reduce assembly efficiency scheduling problem.

The above technical purpose of the present invention is mainly solved by the following technical solutions: an end cover threaded hole detection device comprises a base, wherein a plurality of first positioning grooves corresponding to threaded holes of an end cover workpiece are formed in one end face of the base, through pins are arranged in the first positioning grooves, a plurality of second positioning grooves corresponding to threaded holes of the end cover workpiece are formed in the other end face of the base, stop pins are arranged in the second positioning grooves, the outer diameter of each through pin is consistent with the inner diameter of the threaded hole of the end cover workpiece, and the diameter of each stop pin is larger than that of each through pin; above-mentioned setting of first constant head tank and second constant head tank can carry out prepositioning for first logical round pin and second logical round pin, guarantees the position accuracy of first logical round pin and second logical round pin, avoids the offset of first logical round pin and second logical round pin and leads to unable accurate the measuring to the screw hole, and the setting of first logical round pin and second logical round pin to in order to carry out the measuring in position degree detection and aperture to the screw hole respectively, make the measuring simple and convenient more, improve the assembly efficiency of work piece.

Preferably, the base is provided with positioning holes penetrating through the base corresponding to the inner sides of the through pins; the setting of above-mentioned locating hole to in the time of processing first constant head tank and second constant head tank, carry out the prepositioning, and avoid adding the base and take place to remove man-hour, guarantee to add the stability of man-hour base, strengthen the machining precision to first constant head tank and second constant head tank, conveniently carry out the prepositioning when the calibration screw hole simultaneously, reduce the alignment degree of difficulty of low pass pin or only round pin.

Preferably, the position of each first positioning groove corresponds to the position of each second positioning groove; the position setting to first constant head tank and second constant head tank for one of them constant head tank can carry out assistance-localization real-time to another constant head tank, reduces the processing calibration step of second constant head tank, guarantees the position precision.

Preferably, notches are respectively arranged on two sides of the positioning hole; the setting of above-mentioned breach to structure to on the end cover is stepping down, avoids forming the interference to the location of base.

Therefore, the utility model has the characteristics of but short-term test screw hole's position degree and aperture to improve assembly efficiency etc.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

As shown in fig. 1-2, an end cap threaded hole detection device includes a base 1, a plurality of first positioning grooves 11 corresponding to threaded holes of an end cap workpiece are disposed on one end face of the base 1, through pins 111 are disposed in the first positioning grooves 11, a plurality of second positioning grooves 12 corresponding to threaded holes of the end cap workpiece are disposed on the other end face of the base 1, stop pins 121 are disposed in the second positioning grooves 12, outer diameters of the through pins 111 and inner diameters of threaded holes of the end cap workpiece are consistent, diameters of the stop pins 121 are larger than diameters of the through pins 111, the first positioning grooves and the second positioning grooves can pre-position the first through pins and the second through pins, position accuracy of the first through pins and the second through pins is ensured, and it is avoided that the threaded holes cannot be accurately detected due to position offset of the first through pins and the second through pins, and the first through pins and the second through pins are disposed, the position degree detection and the aperture detection are respectively carried out on the threaded hole, so that the detection is simpler and more convenient, and the assembly efficiency of the workpiece is improved; the position that each first constant head tank 11 was located corresponds with the position that each second constant head tank 12 was located, and the aforesaid sets up to the position of first constant head tank and second constant head tank for one of them constant head tank can carry out assistance-localization real-time to another constant head tank, reduces the processing calibration step of second constant head tank, improves machining efficiency, guarantees the position precision.

Each through pin can be directly inserted into the threaded hole, if the through pin can be directly inserted into the threaded hole, the threaded hole on the end cover is accurate in position, if the through pin cannot be inserted into the threaded hole, the threaded hole on the end cover is deviated, the through pin can be picked out in advance, the phenomenon that the deviation of the position is found only during later assembly to influence the assembly efficiency is avoided, the deviation of the position of the threaded hole is found during the assembly process, the whole end cover needs to be scrapped, and the components assembled in the earlier stage need to be disassembled again, so that time is consumed; and the unable threaded hole that inserts of only selling, then represent end cover screw hole size just or be less than the standard value, the end cover screw hole later stage of undersize is reprocessed conveniently, if the end cover screw hole is too big, then can't reprocess, needs whole to scrap, the part of assembly in earlier stage then need be disassembled again, very takes time, just detects out before the assembly whether the aperture of end cover screw hole is qualified, can avoid the trouble of disassembling again, improves assembly efficiency.

The position degree and the threaded hole of the through pin and the stop pin are directly matched with a standard end cover workpiece to be assembled, calibrated, positioned and manufactured, and are the standard of the threaded hole of the standard end cover workpiece to be assembled.

The inner sides of the base 1 corresponding to the through pins 111 are provided with positioning holes 13 penetrating through the base 1, and the positioning holes are arranged so as to facilitate pre-positioning when the first positioning groove and the second positioning groove are machined, avoid the movement of the base during machining, ensure the stability of the base during machining and enhance the machining precision of the first positioning groove and the second positioning groove; notches 131 are respectively arranged on two sides of the positioning hole 13, and the notches are arranged so as to facilitate abdicating the structure on the end cover and avoid interference on positioning of the base; the positioning hole is matched and positioned with the boss on the end cover, so that the positioning groove can be conveniently calibrated, meanwhile, the pre-positioning is conveniently carried out when a threaded hole is calibrated, the alignment difficulty of the stop pin or the stop pin is reduced, the position and the shape of the notch correspond to the structure of the end cover workpiece to be detected, the adjustment is carried out at any time, the positioning hole corresponds to the structure of the end cover workpiece to be detected, and the detection device can be adjusted and processed at any time according to the shape structure of the end cover workpiece.

Claims

1. The utility model provides an end cover screw hole detection device which characterized in that: including base (1), be equipped with a plurality of first constant head tank (11) corresponding with the screw hole position of end cover work piece on the terminal surface of base (1), be equipped with logical round pin (111) in first constant head tank (11), be equipped with a plurality of second constant head tank (12) corresponding with the screw hole position of end cover work piece on the other terminal surface of base (1), be equipped with in second constant head tank (12) and end round pin (121), the external diameter that leads to round pin (111) keeps unanimous with the screw hole internal diameter of end cover work piece, the diameter of end round pin (121) is greater than the diameter that leads to round pin (111).

2. The end cap threaded hole detection device of claim 1, wherein: the inner sides of the bases (1) corresponding to the through pins (111) are provided with positioning holes (13) penetrating through the bases (1).

3. The end cap threaded hole detection device of claim 1, wherein: the positions of the first positioning grooves (11) correspond to the positions of the second positioning grooves (12).

4. The end cap threaded hole detection device of claim 2, wherein: notches (131) are respectively arranged on two sides of the positioning hole (13).